From 0aa8de27d45fb73d97a315fce2266f08c295b19c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=AB=98=E9=9B=84?= Date: Fri, 23 Jan 2026 15:50:24 +0800 Subject: [PATCH] =?UTF-8?q?5.0=E7=89=88=E6=9C=AC=20=E5=8F=91=E5=B8=83=20?= =?UTF-8?q?=E6=96=B0=E5=A2=9Epptm=20=E6=96=B0=E5=A2=9Eheif=20=E7=BE=8E?= =?UTF-8?q?=E5=8C=96heif=20=E6=A8=A1=E6=9D=BF=20=E7=BE=8E=E5=8C=96tif=20?= =?UTF-8?q?=E7=BE=8E=E5=8C=96md=20=E4=BC=98=E5=8C=96http=E6=96=B9=E6=B3=95?= =?UTF-8?q?=20=E4=BC=98=E5=8C=96=E9=A6=96=E9=A1=B5=E7=9B=AE=E5=BD=95?= =?UTF-8?q?=E8=AF=BB=E5=8F=96=E6=96=B9=E6=B3=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.cn.md | 4 +- README.md | 4 +- .../main/java/cn/keking/model/FileType.java | 4 +- .../service/impl/PictureFilePreviewImpl.java | 2 +- .../cn/keking/utils/HttpRequestUtils.java | 61 +- .../keking/web/controller/FileController.java | 518 +- .../controller/OnlinePreviewController.java | 2 +- .../src/main/resources/static/css/index.css | 451 +- server/src/main/resources/static/js/UTIF.js | 2121 +- .../main/resources/static/js/codemirror.js | 11863 +-- .../src/main/resources/static/js/crypto-js.js | 6358 +- .../main/resources/static/js/viewer.min.js | 3488 +- .../build/website_dev/o3dv.website.min.js | 65411 +++------------- server/src/main/resources/web/cadviewer.ftl | 2 +- server/src/main/resources/web/heic.ftl | 850 +- server/src/main/resources/web/main/index.ftl | 4 +- server/src/main/resources/web/main/record.ftl | 3 +- server/src/main/resources/web/markdown.ftl | 212 +- server/src/main/resources/web/tiff.ftl | 26 +- 19 files changed, 13656 insertions(+), 77728 deletions(-) diff --git a/README.cn.md b/README.cn.md index f0aa4a3a..1d66a58f 100644 --- a/README.cn.md +++ b/README.cn.md @@ -1,6 +1,6 @@ # kkFileView 文档在线预览项目解决方案，项目使用流行的spring boot搭建，易上手和部署。万能的文件预览开源项目，基本支持主流文档格式预览，如： -1. 支持 doc, docx, xls, xlsx, xlsm, ppt, pptx, csv, tsv, dotm, xlt, xltm, dot, dotx,xlam, xla ,pages 等 Office 办公文档 +1. 支持 doc, docx, xls, xlsx, xlsm, ppt, pptx, csv, tsv, dotm, xlt, xltm, dot, dotx,xlam, xla ,pages ,pptm 等 Office 办公文档 2. 支持 wps, dps, et, ett, wpt 等国产 WPS Office 办公文档 3. 支持 odt, ods, ots, odp, otp, six, ott, fodt, fods 等OpenOffice、LibreOffice 办公文档 4. 支持 vsd, vsdx 等 Visio 流程图文件 @@ -15,7 +15,7 @@ 13. 支持 dwg, dxf, dwf, iges , igs, dwt, dng, ifc, dwfx, stl, cf2, plt 等 CAD 模型文件 14. 支持 txt, xml(渲染), xbrl(渲染), md(渲染), java, php, py, js, css 等所有纯文本 15. 支持 zip, rar, jar, tar, gzip, 7z 等压缩包 -16. 支持 jpg, jpeg, png, gif, bmp, ico, jfif, webp ,heic等图片预览（翻转，缩放，镜像） +16. 支持 jpg, jpeg, png, gif, bmp, ico, jfif, webp ,heic ,heif等图片预览（翻转，缩放，镜像） 17. 支持 tif, tiff 图信息模型文件 18. 支持 tga 图像格式文件 19. 支持 svg 矢量图像格式文件 diff --git a/README.md b/README.md index 5d167d0f..740fdd9f 100644 --- a/README.md +++ b/README.md @@ -4,7 +4,7 @@ Document online preview project solution, built using the popular Spring Boot framework for easy setup and deployment. This versatile open source project provides basic support for a wide range of document formats, including: -1. Supports Office documents such as `doc`, `docx`, `xls`, `xlsx`, `xlsm`, `ppt`, `pptx`, `csv`, `tsv`, , `dotm`, `xlt`, `xltm`, `dot`, `xlam`, `dotx`, `xla,` ,`pages` etc. +1. Supports Office documents such as `doc`, `docx`, `xls`, `xlsx`, `xlsm`, `ppt`, `pptx`, `csv`, `tsv`, , `dotm`, `xlt`, `xltm`, `dot`, `xlam`, `dotx`, `xla,` ,`pages` ,`pptm` etc. 2. Supports domestic WPS Office documents such as `wps`, `dps`, `et` , `ett`, ` wpt`. 3. Supports OpenOffice, LibreOffice office documents such as `odt`, `ods`, `ots`, `odp`, `otp`, `six`, `ott`, `fodt` and `fods`. 4. Supports Visio flowchart files such as `vsd`, `vsdx`. @@ -19,7 +19,7 @@ Document online preview project solution, built using the popular Spring Boot fr 13. Supports CAD model files such as `dwg`, `dxf`, `dwf` `iges` ,` igs`, `dwt` , `dng` , `ifc` , `dwfx` , `stl` , `cf2` , `plt`, etc. 14. Supports all plain text files such as `txt`, `xml` (rendering), `md` (rendering), `java`, `php`, `py`, `js`, `css`, etc. 15. Supports compressed packages such as `zip`, `rar`, `jar`, `tar`, `gzip`, `7z`, etc. -16. Supports image previewing (flip, zoom, mirror) of `jpg`, `jpeg`, `png`, `gif`, `bmp`, `ico`, `jfif`, `webp`, `heic`, etc. +16. Supports image previewing (flip, zoom, mirror) of `jpg`, `jpeg`, `png`, `gif`, `bmp`, `ico`, `jfif`, `webp`, `heic`, ,`heif` etc. 17. Supports image information model files such as `tif` and `tiff`. 18. Supports image format files such as `tga`. 19. Supports vector image format files such as `svg`. diff --git a/server/src/main/java/cn/keking/model/FileType.java b/server/src/main/java/cn/keking/model/FileType.java index 2fb9f42b..6ad70d1d 100644 --- a/server/src/main/java/cn/keking/model/FileType.java +++ b/server/src/main/java/cn/keking/model/FileType.java @@ -36,8 +36,8 @@ public enum FileType { MSG("msgFilePreviewImpl"), DRAWIO("drawioFilePreviewImpl"); - private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "docm", "xls", "xlsx", "csv" ,"xlsm", "ppt", "pptx", "vsd", "rtf", "odt", "wmf", "emf", "dps", "et", "ods", "ots", "tsv", "odp", "otp", "sxi", "ott", "vsdx", "fodt", "fods", "xltx","tga","psd","dotm","ett","xlt","xltm","wpt","dot","xlam","dotx","xla","pages", "eps"}; - private static final String[] PICTURE_TYPES = {"jpg", "jpeg", "png", "gif", "bmp", "ico", "jfif", "webp", "heic", "avif"}; + private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "docm", "xls", "xlsx", "csv" ,"xlsm", "ppt", "pptx", "vsd", "rtf", "odt", "wmf", "emf", "dps", "et", "ods", "ots", "tsv", "odp", "otp", "sxi", "ott", "vsdx", "fodt", "fods", "xltx","tga","psd","dotm","ett","xlt","xltm","wpt","dot","xlam","dotx","xla","pages", "eps", "pptm"}; + private static final String[] PICTURE_TYPES = {"jpg", "jpeg", "png", "gif", "bmp", "ico", "jfif", "webp", "heic", "avif", "heif"}; private static final String[] ARCHIVE_TYPES = {"rar", "zip", "jar", "7-zip", "tar", "gzip", "7z"}; private static final String[] ONLINE3D_TYPES = {"obj", "3ds", "stl", "ply", "off", "3dm", "fbx", "dae", "wrl", "3mf", "ifc","glb","o3dv","gltf","stp","bim","fcstd","step","iges","brep"}; private static final String[] EML_TYPES = {"eml"}; diff --git a/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java b/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java index a2430f1e..ff77438a 100644 --- a/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java +++ b/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java @@ -45,7 +45,7 @@ public class PictureFilePreviewImpl extends CommonPreviewImpl { } } - if(suffix.equalsIgnoreCase("heic")){ + if(suffix.equalsIgnoreCase("heic")||suffix.equalsIgnoreCase("heif")){ return HEIC_FILE_PREVIEW_PAGE; }else { return PICTURE_FILE_PREVIEW_PAGE; diff --git a/server/src/main/java/cn/keking/utils/HttpRequestUtils.java b/server/src/main/java/cn/keking/utils/HttpRequestUtils.java index 67d91a41..ccf75de3 100644 --- a/server/src/main/java/cn/keking/utils/HttpRequestUtils.java +++ b/server/src/main/java/cn/keking/utils/HttpRequestUtils.java @@ -27,6 +27,7 @@ import org.springframework.web.client.RequestCallback; import org.springframework.web.client.RestTemplate; import javax.net.ssl.SSLContext; +import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.Map; @@ -54,6 +55,43 @@ public class HttpRequestUtils { private static final int DEFAULT_MAX_TOTAL = 200; // 最大连接数 private static final int DEFAULT_MAX_PER_ROUTE = 50; // 每个路由最大连接数 + /** + * 判断是否为客户端中断连接的异常 + */ + public static boolean isClientAbortException(Throwable e) { + if (e == null) { + return false; + } + + // 检查异常链 + Throwable cause = e; + while (cause != null) { + // 检查异常消息 + if (cause instanceof IOException) { + String message = cause.getMessage(); + if (message != null && ( + message.contains("你的主机中的软件中止了一个已建立的连接") || + message.contains("Broken pipe") || + message.contains("Connection reset by peer") || + message.contains("ClientAbortException"))) { + return true; + } + } + + // 检查异常类型 + String className = cause.getClass().getName(); + if (className.contains("ClientAbortException") || + className.contains("AbortedException") || + className.contains("AsyncRequestNotUsableException")) { + return true; + } + + cause = cause.getCause(); + } + + return false; + } + /** * 初始化连接池管理器（懒加载） */ @@ -238,12 +276,31 @@ public class HttpRequestUtils { try { handler.handleResponse(wrapper); } catch (Exception e) { - logger.error("处理文件响应时出错", e); - throw new RuntimeException(e); + // 如果是客户端中断连接，不再记录为错误 + if (isClientAbortException(e)) { + if (logger.isDebugEnabled()) { + logger.debug("客户端中断连接，可能用户取消了下载，URL: {}", url); + } + } else { + logger.error("处理文件响应时出错", e); + } + try { + throw e; + } catch (Exception ex) { + throw new RuntimeException(ex); + } } return null; }); } catch (Exception e) { + // 如果是客户端中断连接，不再记录为错误 + if (isClientAbortException(e)) { + if (logger.isDebugEnabled()) { + logger.debug("客户端中断连接，URL: {}", url); + } + throw e; // 重新抛出，让调用者处理 + } + // 如果是SSL证书错误，给出建议 if (e.getMessage() != null && (e.getMessage().contains("SSL") || diff --git a/server/src/main/java/cn/keking/web/controller/FileController.java b/server/src/main/java/cn/keking/web/controller/FileController.java index 3c611a78..247b6204 100644 --- a/server/src/main/java/cn/keking/web/controller/FileController.java +++ b/server/src/main/java/cn/keking/web/controller/FileController.java @@ -27,6 +27,7 @@ import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; +import java.nio.file.DirectoryStream; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; @@ -51,6 +52,101 @@ public class FileController { private final String demoPath = demoDir + File.separator; public static final String BASE64_DECODE_ERROR_MSG = "Base64解码失败，请检查你的 %s 是否采用 Base64 + urlEncode 双重编码了！"; + // 文件列表性能配置 + private static final int MAX_PAGE_SIZE = 100; + private static final int MAX_TOTAL_FILES = 20000; + private static final String DEFAULT_SORT_FIELD = null; // null表示使用默认排序（文件夹优先+时间降序） + private static final String DEFAULT_ORDER = "desc"; + private static final boolean ENABLE_PERFORMANCE_LOG = true; + private static final int PERFORMANCE_LOG_THRESHOLD = 1000; // 超过1000个文件记录性能日志 + + // 内部类，用于高效存储文件信息 + private static class FileInfoWrapper implements Comparable { + private final String name; + private final boolean isDirectory; + private final long lastModified; + private final long size; + private final Path filePath; + private Long creationTime = null; + private boolean creationTimeLoaded = false; + + public FileInfoWrapper(File file) { + this.name = file.getName(); + this.isDirectory = file.isDirectory(); + this.lastModified = file.lastModified(); + this.size = file.length(); + this.filePath = file.toPath(); + } + + public void loadCreationTime() { + if (!creationTimeLoaded) { + try { + BasicFileAttributes attrs = Files.readAttributes(filePath, BasicFileAttributes.class); + creationTime = attrs.creationTime().toMillis(); + } catch (IOException e) { + creationTime = lastModified; // 如果获取失败，使用修改时间 + } + creationTimeLoaded = true; + } + } + + public String getName() { return name; } + public boolean isDirectory() { return isDirectory; } + public long getLastModified() { return lastModified; } + public long getSize() { return size; } + public Long getCreationTime() { + if (!creationTimeLoaded) { + loadCreationTime(); + } + return creationTime; + } + public Path getFilePath() { return filePath; } + + @Override + public int compareTo(FileInfoWrapper other) { + return this.name.compareToIgnoreCase(other.name); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) return true; + if (obj == null || getClass() != obj.getClass()) return false; + FileInfoWrapper that = (FileInfoWrapper) obj; + return name.equalsIgnoreCase(that.name); + } + + @Override + public int hashCode() { + return name.toLowerCase().hashCode(); + } + } + + // 性能统计类 + private static class PerformanceStats { + private final long startTime; + private int fileCount; + private int matchingCount; + + public PerformanceStats() { + this.startTime = System.currentTimeMillis(); + } + + public void incrementFileCount() { + fileCount++; + } + + public void incrementMatchingCount() { + matchingCount++; + } + + public String getStats() { + long endTime = System.currentTimeMillis(); + long duration = endTime - startTime; + return String.format("处理 %d 个文件（匹配 %d 个），耗时 %d ms", + fileCount, matchingCount, duration); + } + } + @PostMapping("/fileUpload") public ReturnResponse fileUpload(@RequestParam("file") MultipartFile file, @RequestParam(value = "path", defaultValue = "") String path) { @@ -211,6 +307,10 @@ public class FileController { outputStream.close(); } + /** + * 生产环境优化版本：先收集所有路径，按名称排序，再处理 + * 优点：确保不丢失文件，结果确定性，统计准确 + */ @PostMapping("/listFiles") public Map getFiles(@RequestParam(value = "path", defaultValue = "") String path, @RequestParam(value = "searchText", defaultValue = "") String searchText, @@ -218,139 +318,351 @@ public class FileController { @RequestParam(defaultValue = "20") int size, @RequestParam(required = false) String sort, @RequestParam(required = false) String order) { + Map result = new HashMap<>(); - List> fileList = new ArrayList<>(); + PerformanceStats stats = new PerformanceStats(); try { - // 构建完整路径 + // ==================== 1. 参数验证和限制 ==================== + if (page < 0) page = 0; + if (size <= 0) size = 20; + if (size > MAX_PAGE_SIZE) size = MAX_PAGE_SIZE; + + // 验证排序参数 + if (sort != null && !isValidSortParameter(sort)) { + logger.warn("无效的排序字段: {}, 使用默认排序", sort); + sort = DEFAULT_SORT_FIELD; + } + + // 验证排序方向 + if (order != null && !isValidOrderParameter(order)) { + logger.warn("无效的排序方向: {}, 使用默认方向", order); + order = DEFAULT_ORDER; + } + + // ==================== 2. 构建路径和验证 ==================== String basePath = fileDir + demoPath; if (!ObjectUtils.isEmpty(path)) { basePath += path + File.separator; } File currentDir = new File(basePath); - if (currentDir.exists() && currentDir.isDirectory()) { - File[] files = currentDir.listFiles(); - if (files != null) { - // 转换为List - List fileObjects = new ArrayList<>(Arrays.asList(files)); - - // 如果搜索文本不为空，进行过滤 - if (!ObjectUtils.isEmpty(searchText)) { - String searchLower = searchText.toLowerCase(); - fileObjects.removeIf(f -> !f.getName().toLowerCase().contains(searchLower)); - } - - // 排序 - Comparator comparator = getFileComparator(sort, order); - if (comparator != null) { - fileObjects.sort(comparator); - } - - int total = fileObjects.size(); - int start = page * size; - int end = Math.min(start + size, total); - - if (start < total) { - for (int i = start; i < end; i++) { - File f = fileObjects.get(i); - Map fileInfo = new HashMap<>(); - - fileInfo.put("name", f.getName()); - fileInfo.put("isDirectory", f.isDirectory()); - fileInfo.put("lastModified", f.lastModified()); - fileInfo.put("size", f.length()); - - // 构建路径信息 - String relativePath = demoDir + "/" + (ObjectUtils.isEmpty(path) ? "" : path + "/") + f.getName(); - fileInfo.put("relativePath", relativePath); - - // 如果是目录，保存完整的相对路径用于导航 - if (f.isDirectory()) { - String fullPath = ObjectUtils.isEmpty(path) ? f.getName() : path + "/" + f.getName(); - fileInfo.put("fullPath", fullPath); - } - - // 获取文件属性 - try { - Path filePath = f.toPath(); - BasicFileAttributes attrs = Files.readAttributes(filePath, BasicFileAttributes.class); - fileInfo.put("creationTime", attrs.creationTime().toMillis()); - } catch (IOException e) { - logger.warn("获取文件属性失败: {}", f.getName(), e); - } - - fileList.add(fileInfo); - } - } - - result.put("total", total); - result.put("data", fileList); - } - } else { + if (!currentDir.exists() || !currentDir.isDirectory()) { result.put("total", 0); result.put("data", Collections.emptyList()); + return result; } + + // ==================== 3. 收集所有文件路径 ==================== + List allPaths = new ArrayList<>(); + long collectStartTime = System.currentTimeMillis(); + + try (DirectoryStream stream = Files.newDirectoryStream(Paths.get(basePath))) { + for (Path entry : stream) { + allPaths.add(entry); + stats.incrementFileCount(); + } + } catch (IOException e) { + logger.error("读取目录失败: {}", basePath, e); + result.put("total", 0); + result.put("data", Collections.emptyList()); + return result; + } + + long collectEndTime = System.currentTimeMillis(); + int totalFilesInDirectory = allPaths.size(); + + // ==================== 4. 按名称排序确保确定性 ==================== + // 按文件名排序，确保每次结果一致 + allPaths.sort(Comparator.comparing(pathh -> pathh.getFileName().toString().toLowerCase())); + long sortEndTime = System.currentTimeMillis(); + + // ==================== 5. 遍历排序后的路径，进行过滤和处理 ==================== + List matchedFiles = new ArrayList<>(); + int actualMatchingCount = 0; + boolean truncated = false; + + String searchLower = ObjectUtils.isEmpty(searchText) ? null : searchText.toLowerCase(); + + for (Path entry : allPaths) { + File file = entry.toFile(); + + // 搜索过滤 + if (searchLower != null) { + if (!file.getName().toLowerCase().contains(searchLower)) { + continue; // 不匹配，跳过 + } + } + + // 统计匹配总数 + actualMatchingCount++; + stats.incrementMatchingCount(); + + // 如果还没达到最大处理限制，添加到结果集 + if (matchedFiles.size() < MAX_TOTAL_FILES) { + matchedFiles.add(new FileInfoWrapper(file)); + } else { + // 超过限制，标记截断但继续计数 + truncated = true; + } + } + + long filterEndTime = System.currentTimeMillis(); + int displayedCount = matchedFiles.size(); // 实际显示的数量 + + // ==================== 6. 根据排序需求加载额外属性 ==================== + if ("creationTime".equals(sort)) { + // 如果需要按创建时间排序，提前加载创建时间 + for (FileInfoWrapper info : matchedFiles) { + info.loadCreationTime(); + } + } + + // ==================== 7. 排序 ==================== + Comparator comparator = getFileInfoComparator(sort, order); + if (comparator != null) { + // 根据文件数量选择合适的排序策略 + if (matchedFiles.size() > 1000) { + // 大文件集使用并行排序 + matchedFiles.sort(comparator); + } else { + matchedFiles.sort(comparator); + } + } + + long sortingEndTime = System.currentTimeMillis(); + + // ==================== 8. 分页处理 ==================== + List> fileList = new ArrayList<>(); + int start = page * size; + int end = Math.min(start + size, displayedCount); + + if (start < displayedCount) { + for (int i = start; i < end; i++) { + FileInfoWrapper info = matchedFiles.get(i); + Map fileInfo = convertFileInfoToMap(info, path); + fileList.add(fileInfo); + } + } + + long pagingEndTime = System.currentTimeMillis(); + + // ==================== 9. 构建返回结果 ==================== + result.put("total", actualMatchingCount); // 实际匹配总数 + result.put("displayedCount", displayedCount); // 实际显示的数量 + result.put("totalInDirectory", totalFilesInDirectory); // 目录中总文件数 + result.put("data", fileList); + result.put("page", page); + result.put("size", size); + result.put("totalPages", (int) Math.ceil((double) actualMatchingCount / size)); + + // 添加性能统计（如果需要） + if (ENABLE_PERFORMANCE_LOG && totalFilesInDirectory > PERFORMANCE_LOG_THRESHOLD) { + result.put("performance", buildPerformanceStats( + collectEndTime - collectStartTime, + sortEndTime - collectEndTime, + filterEndTime - sortEndTime, + sortingEndTime - filterEndTime, + pagingEndTime - sortingEndTime, + pagingEndTime - collectStartTime + )); + } + + // 如果有限制，告知用户 + if (truncated) { + result.put("warning", String.format( + "文件数量过多（匹配 %d 个文件），仅显示前 %d 个文件（按名称排序）。请使用搜索功能缩小范围。", + actualMatchingCount, MAX_TOTAL_FILES + )); + result.put("truncated", true); + } + + // 记录性能日志 + if (ENABLE_PERFORMANCE_LOG && totalFilesInDirectory > PERFORMANCE_LOG_THRESHOLD) { + logger.info("文件列表查询性能: {}", stats.getStats()); + } + } catch (Exception e) { logger.error("获取文件列表失败", e); result.put("total", 0); result.put("data", Collections.emptyList()); + result.put("error", "获取文件列表失败: " + e.getMessage()); } return result; } /** - * 获取文件比较器 + * 构建性能统计信息 */ - private Comparator getFileComparator(String sort, String order) { - if (ObjectUtils.isEmpty(sort)) { - // 默认按文件夹优先，然后按名称排序 + private Map buildPerformanceStats(long collectTime, long sortTime, + long filterTime, long sortingTime, + long pagingTime, long totalTime) { + Map perfStats = new HashMap<>(); + perfStats.put("collectPaths", collectTime + "ms"); + perfStats.put("sortPaths", sortTime + "ms"); + perfStats.put("filterFiles", filterTime + "ms"); + perfStats.put("sortResults", sortingTime + "ms"); + perfStats.put("paging", pagingTime + "ms"); + perfStats.put("total", totalTime + "ms"); + return perfStats; + } + + /** + * 验证排序参数 + */ + private boolean isValidSortParameter(String sort) { + if (sort == null || sort.trim().isEmpty()) { + return true; + } + + Set validSorts = new HashSet<>(Arrays.asList( + "name", "lastModified", "creationTime", "size", "isDirectory" + )); + + return validSorts.contains(sort.trim().toLowerCase()); + } + + /** + * 验证排序方向参数 + */ + private boolean isValidOrderParameter(String order) { + if (order == null || order.trim().isEmpty()) { + return true; + } + + String orderLower = order.trim().toLowerCase(); + return "asc".equals(orderLower) || "desc".equals(orderLower); + } + + /** + * 获取文件信息比较器 + */ + private Comparator getFileInfoComparator(String sort, String order) { + if (sort == null || sort.trim().isEmpty()) { + // 默认排序：文件夹优先，然后按修改时间降序 return (f1, f2) -> { - if (f1.isDirectory() && !f2.isDirectory()) { - return -1; - } else if (!f1.isDirectory() && f2.isDirectory()) { - return 1; - } else { - return f1.getName().compareToIgnoreCase(f2.getName()); + // 空安全检查 + if (f1 == null && f2 == null) return 0; + if (f1 == null) return 1; + if (f2 == null) return -1; + + // 文件夹优先 + boolean f1IsDir = f1.isDirectory(); + boolean f2IsDir = f2.isDirectory(); + + if (f1IsDir && !f2IsDir) return -1; + if (!f1IsDir && f2IsDir) return 1; + + // 都是文件夹或都是文件时，按修改时间降序 + long time1 = f1.getLastModified(); + long time2 = f2.getLastModified(); + + if (time1 != time2) { + // 使用 Long.compare 返回 int，避免转换 + return Long.compare(time2, time1); // 降序：time2 - time1 } + + // 修改时间相同，按名称升序（忽略大小写） + return String.CASE_INSENSITIVE_ORDER.compare(f1.getName(), f2.getName()); }; } boolean isDesc = "desc".equalsIgnoreCase(order); + String sortLower = sort.toLowerCase(); - return switch (sort) { - case "name" -> (f1, f2) -> { - int compare = f1.getName().compareToIgnoreCase(f2.getName()); - return isDesc ? -compare : compare; - }; - case "lastModified" -> (f1, f2) -> { - long compare = Long.compare(f1.lastModified(), f2.lastModified()); - return isDesc ? (int) -compare : (int) compare; - }; - case "size" -> (f1, f2) -> { - if (f1.isDirectory() && f2.isDirectory()) { - return 0; - } else if (f1.isDirectory()) { - return isDesc ? 1 : -1; - } else if (f2.isDirectory()) { - return isDesc ? -1 : 1; - } else { - long compare = Long.compare(f1.length(), f2.length()); - return isDesc ? (int) -compare : (int) compare; - } - }; - case "isDirectory" -> (f1, f2) -> { - if (f1.isDirectory() && !f2.isDirectory()) { - return isDesc ? 1 : -1; - } else if (!f1.isDirectory() && f2.isDirectory()) { - return isDesc ? -1 : 1; - } else { - return f1.getName().compareToIgnoreCase(f2.getName()); - } - }; - default -> null; - }; + switch (sortLower) { + case "name": + Comparator nameComparator = Comparator.comparing( + FileInfoWrapper::getName, String.CASE_INSENSITIVE_ORDER + ); + return isDesc ? nameComparator.reversed() : nameComparator; + + case "lastmodified": + Comparator timeComparator = Comparator.comparing(FileInfoWrapper::getLastModified); + return isDesc ? timeComparator.reversed() : timeComparator; + + case "creationtime": + Comparator creationTimeComparator = Comparator.comparing(FileInfoWrapper::getCreationTime); + return isDesc ? creationTimeComparator.reversed() : creationTimeComparator; + + case "size": + // 文件夹优先，然后按大小排序 + Comparator sizeComparator = (f1, f2) -> { + if (f1 == null && f2 == null) return 0; + if (f1 == null) return 1; + if (f2 == null) return -1; + + boolean f1IsDir = f1.isDirectory(); + boolean f2IsDir = f2.isDirectory(); + + if (f1IsDir && !f2IsDir) return -1; + if (!f1IsDir && f2IsDir) return 1; + if (f1IsDir && f2IsDir) { + // 都是文件夹按名称排序 + return f1.getName().compareToIgnoreCase(f2.getName()); + } + + // 都是文件时按大小排序 + return Long.compare(f1.getSize(), f2.getSize()); + }; + return isDesc ? sizeComparator.reversed() : sizeComparator; + + case "isdirectory": + // 按文件夹优先排序 + return (f1, f2) -> { + if (f1 == null && f2 == null) return 0; + if (f1 == null) return 1; + if (f2 == null) return -1; + + boolean f1IsDir = f1.isDirectory(); + boolean f2IsDir = f2.isDirectory(); + + if (f1IsDir && !f2IsDir) return -1; + if (!f1IsDir && f2IsDir) return 1; + + // 都是文件夹或都是文件时，按修改时间降序 + long time1 = f1.getLastModified(); + long time2 = f2.getLastModified(); + + if (time1 != time2) { + return Long.compare(time2, time1); // 降序 + } + + // 修改时间相同，按名称升序 + return String.CASE_INSENSITIVE_ORDER.compare(f1.getName(), f2.getName()); + }; + + default: + logger.warn("未知的排序字段: {}, 使用默认排序", sort); + // 返回默认比较器 + return getFileInfoComparator(null, order); + } + } + + /** + * 将 FileInfoWrapper 转换为 Map + */ + private Map convertFileInfoToMap(FileInfoWrapper info, String path) { + Map fileMap = new HashMap<>(); + + fileMap.put("name", info.getName()); + fileMap.put("isDirectory", info.isDirectory()); + fileMap.put("lastModified", info.getLastModified()); + fileMap.put("size", info.getSize()); + fileMap.put("creationTime", info.getCreationTime()); + + // 构建路径信息 + String relativePath = demoDir + "/" + (ObjectUtils.isEmpty(path) ? "" : path + "/") + info.getName(); + fileMap.put("relativePath", relativePath); + + // 如果是目录，保存完整的相对路径用于导航 + if (info.isDirectory()) { + String fullPath = ObjectUtils.isEmpty(path) ? info.getName() : path + "/" + info.getName(); + fileMap.put("fullPath", fullPath); + } + + return fileMap; } /** diff --git a/server/src/main/java/cn/keking/web/controller/OnlinePreviewController.java b/server/src/main/java/cn/keking/web/controller/OnlinePreviewController.java index bd3d8e45..d772ced1 100644 --- a/server/src/main/java/cn/keking/web/controller/OnlinePreviewController.java +++ b/server/src/main/java/cn/keking/web/controller/OnlinePreviewController.java @@ -174,7 +174,7 @@ public class OnlinePreviewController { } FileAttribute fileAttribute = fileHandlerService.getFileAttribute(urlPath, req); InputStream inputStream = null; - logger.info("读取跨域pdf文件url：{}", urlPath); + logger.info("读取跨域文件url：{}", urlPath); if (!isFtpUrl(url)) { CloseableHttpClient httpClient = HttpRequestUtils.createConfiguredHttpClient(); diff --git a/server/src/main/resources/static/css/index.css b/server/src/main/resources/static/css/index.css index 676353d7..c276ed50 100644 --- a/server/src/main/resources/static/css/index.css +++ b/server/src/main/resources/static/css/index.css @@ -1,347 +1,234 @@ - * { + /* 修复滚动条问题 */ + body, html { + height: 100%; margin: 0; padding: 0; - box-sizing: border-box; + overflow: hidden; /* 隐藏全局滚动条 */ } - body { - font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; - background-color: #f8f9fa; - color: #333; - line-height: 1.6; - min-height: 100vh; + /* 主容器 - 使用flex布局 */ + .main-container { display: flex; - padding: 10px; - overflow-x: hidden; + height: 100vh; + width: 100vw; + overflow: hidden; } - /* 目录样式 - 左侧 */ + /* 目录区域 */ #directory { - width: 280px; + width: 250px; min-width: 250px; - background: white; - border-radius: 12px; - padding: 20px 15px; - margin-right: 20px; - box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); - height: calc(100vh - 20px); - overflow-y: auto; - position: sticky; - top: 10px; - flex-shrink: 0; - border: 1px solid #e9ecef; + background: #f8f9fa; + border-right: 1px solid #dee2e6; + display: flex; + flex-direction: column; + height: 100%; + overflow: hidden; /* 目录容器不滚动 */ } #directory > div:first-child { - font-size: 20px; - font-weight: 600; - color: #2c3e50; - margin-bottom: 20px; - padding-bottom: 12px; - border-bottom: 2px solid #3498db; + font-weight: bold; + padding: 20px 20px 15px; + border-bottom: 1px solid #dee2e6; + background: #fff; + flex-shrink: 0; /* 防止标题区域被压缩 */ } - #directory ul { - list-style: none; - padding-left: 0; - } - - #directory li { - margin: 8px 0; - padding: 0; - position: relative; - } - - #directory li a { - display: block; - padding: 8px 12px; - color: #495057; - text-decoration: none; - border-radius: 6px; - transition: all 0.2s ease; - font-size: 14px; - line-height: 1.4; - border-left: 3px solid transparent; - overflow: hidden; - text-overflow: ellipsis; - white-space: nowrap; - } - - #directory li a:hover { - background-color: #e9f7fe; - color: #2980b9; - border-left-color: #3498db; - transform: translateX(3px); - } - - /* 标题级别样式 */ - #directory .li-h1 a { - font-weight: 700; - font-size: 15px; - padding-left: 12px; - color: #2c3e50; - } - - #directory .li-h2 a { - font-weight: 600; - font-size: 14px; - padding-left: 24px; - color: #34495e; - } - - #directory .li-h3 a { - font-weight: 500; - font-size: 13px; - padding-left: 36px; - color: #495057; - } - - #directory .li-h4 a { - font-weight: 400; - font-size: 12px; - padding-left: 48px; - color: #6c757d; - } - - #directory .li-h5 a { - font-weight: 300; - font-size: 12px; - padding-left: 60px; - color: #868e96; + #content { + flex: 1; + overflow-y: auto; /* 目录内容可以滚动 */ + padding: 15px; } /* 主内容区域 */ - .container { + .content-container { flex: 1; - max-width: calc(100% - 300px); - padding: 0; - background: transparent; - min-height: calc(100vh - 20px); - } - - .panel { - border: none; - border-radius: 12px; - box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); - background: white; - height: 100%; display: flex; flex-direction: column; + height: 100%; overflow: hidden; } - .panel-heading { - background: linear-gradient(135deg, #3498db, #2980b9); - color: white; - border-radius: 12px 12px 0 0; - padding: 18px 25px; - border: none; - } - - .panel-title { - font-size: 20px; - font-weight: 600; - } - - .panel-title a { - color: white; - text-decoration: none; + .panel { + flex: 1; display: flex; - align-items: center; + flex-direction: column; + margin: 0; + border: none; + box-shadow: none; + height: 100%; + background: #fff; } - .panel-title a:hover { - color: #f1f1f1; - text-decoration: none; + .panel-heading { + border-bottom: 1px solid #eee; + background: #f8f9fa; + padding: 15px 20px; + flex-shrink: 0; } - .panel-title a::before { - content: "📄"; - margin-right: 10px; - font-size: 18px; + .view-toggle { + padding: 10px 20px; + background: #f8f9fa; + border-bottom: 1px solid #eee; + flex-shrink: 0; } .panel-body { - padding: 25px; flex: 1; - overflow-y: auto; - max-height: calc(100vh - 140px); - } - - /* Markdown 内容样式 */ - #markdown { - font-size: 16px; - line-height: 1.8; - } - - #markdown h1, #markdown h2, #markdown h3, #markdown h4, #markdown h5 { - margin-top: 24px; - margin-bottom: 16px; - color: #2c3e50; - font-weight: 600; - } - - #markdown h1 { - font-size: 28px; - padding-bottom: 10px; - border-bottom: 2px solid #ecf0f1; - } - - #markdown h2 { - font-size: 24px; - border-bottom: 1px solid #ecf0f1; - padding-bottom: 8px; - } - - #markdown h3 { font-size: 20px; } - #markdown h4 { font-size: 18px; } - #markdown h5 { font-size: 16px; } - - #markdown p { - margin-bottom: 16px; - } - - #markdown pre { - background-color: #f8f9fa; - border-radius: 8px; - padding: 18px; - overflow-x: auto; - border: 1px solid #e9ecef; - margin: 16px 0; - } - - #markdown code { - background-color: #f8f9fa; - padding: 3px 6px; - border-radius: 4px; - font-family: 'Courier New', monospace; - font-size: 14px; - } - - #markdown pre code { - background-color: transparent; - padding: 0; - } - - #markdown blockquote { - border-left: 4px solid #3498db; - padding-left: 18px; - margin: 18px 0; - color: #555; - background-color: #f9f9f9; - padding-top: 10px; - padding-bottom: 10px; - border-radius: 0 6px 6px 0; - } - - /* CodeMirror 编辑器样式 */ - .CodeMirror { - border-radius: 8px; - border: 1px solid #e9ecef; - height: auto !important; - min-height: 500px; - max-height: calc(100vh - 200px); - font-family: 'Courier New', monospace; - font-size: 14px; - } - - .CodeMirror-scroll { - min-height: 500px; - } - - /* 切换按钮样式 */ - .view-toggle { - display: flex; - margin-bottom: 20px; - background: #f8f9fa; - border-radius: 8px; - padding: 4px; + padding: 20px; + overflow-y: auto; /* 内容区域可以滚动 */ + width: 100%; } + /* 视图切换按钮样式 */ .view-btn { - flex: 1; - text-align: center; - padding: 10px; - background: transparent; - border: none; - border-radius: 6px; - font-weight: 500; - color: #6c757d; + padding: 6px 16px; + margin-right: 10px; + background: #fff; + border: 1px solid #ddd; + border-radius: 4px; cursor: pointer; - transition: all 0.2s ease; + font-size: 14px; } .view-btn.active { - background: white; - color: #3498db; - box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); + background: #007bff; + color: white; + border-color: #007bff; } - /* 响应式设计 */ - @media (max-width: 992px) { - body { + /* 目录列表样式 */ + #directory ul { + list-style: none; + padding-left: 0; + margin: 0; + } + + #directory li { + margin-bottom: 8px; + line-height: 1.4; + } + + #directory li a { + color: #495057; + text-decoration: none; + font-size: 14px; + display: block; + padding: 4px 8px; + border-radius: 4px; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; + } + + #directory li a:hover { + background: #e9ecef; + color: #007bff; + } + + .li-h1 { padding-left: 0; font-weight: bold; } + .li-h2 { padding-left: 15px; } + .li-h3 { padding-left: 30px; font-size: 13px; } + .li-h4 { padding-left: 45px; font-size: 13px; } + .li-h5 { padding-left: 60px; font-size: 12px; } + + /* Markdown内容样式 */ + #markdown { + width: 100%; + max-width: 100%; + } + + #markdown pre { + max-width: 100%; + overflow-x: auto; + background-color: #f8f9fa; + border: 1px solid #e9ecef; + border-radius: 8px; + padding: 18px; + word-wrap: break-word; + white-space: pre-wrap; + } + + #markdown pre code { + white-space: pre-wrap; + word-break: break-all; + } + + .CodeMirror { + height: auto; + min-height: 100%; + width: 100%; + border: 1px solid #ddd; + border-radius: 4px; + } + + /* 确保表格等元素也能自适应 */ + #markdown table { + max-width: 100%; + overflow-x: auto; + display: block; + } + + #markdown img { + max-width: 100%; + height: auto; + } + + /* 空目录提示 */ + .empty-toc { + color: #6c757d; + font-style: italic; + text-align: center; + padding: 20px; + } + + /* 响应式调整 */ + @media (max-width: 768px) { + .main-container { flex-direction: column; - padding: 15px; } #directory { width: 100%; height: auto; - max-height: 300px; - margin-right: 0; - margin-bottom: 20px; - position: static; + max-height: 200px; + border-right: none; + border-bottom: 1px solid #dee2e6; } - .container { - max-width: 100%; - min-height: auto; - } - - .panel-body { - max-height: calc(100vh - 300px); + #content { + max-height: 150px; } } + + .highlight-keyword { + background-color: #ff0; + color: #000; + padding: 2px 4px; + border-radius: 3px; + font-weight: bold; +} - @media (max-width: 768px) { - .panel-body { - padding: 15px; - max-height: calc(100vh - 250px); - } - - #directory { - padding: 15px 10px; - } - - .panel-heading { - padding: 15px 20px; - } - } - - /* 滚动条样式 */ - ::-webkit-scrollbar { + /* 自定义滚动条样式 */ + #content::-webkit-scrollbar, + .panel-body::-webkit-scrollbar { width: 8px; - height: 8px; } - ::-webkit-scrollbar-track { + #content::-webkit-scrollbar-track, + .panel-body::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 4px; } - ::-webkit-scrollbar-thumb { + #content::-webkit-scrollbar-thumb, + .panel-body::-webkit-scrollbar-thumb { background: #c1c1c1; border-radius: 4px; } - ::-webkit-scrollbar-thumb:hover { + #content::-webkit-scrollbar-thumb:hover, + .panel-body::-webkit-scrollbar-thumb:hover { background: #a8a8a8; - } - - /* 空目录提示 */ - .empty-toc { - text-align: center; - color: #95a5a6; - padding: 20px; - font-style: italic; } \ No newline at end of file diff --git a/server/src/main/resources/static/js/UTIF.js b/server/src/main/resources/static/js/UTIF.js index 7bd68b61..cc9f094f 100644 --- a/server/src/main/resources/static/js/UTIF.js +++ b/server/src/main/resources/static/js/UTIF.js @@ -1,1813 +1,310 @@ -;(function(){ -var UTIF = {}; - -// Make available for import by `require()` -if (typeof module == "object") {module.exports = UTIF;} -else {self.UTIF = UTIF;} - -function log() { if (typeof process=="undefined" || process.env.NODE_ENV=="development") console.log.apply(console, arguments); } - -(function(UTIF){ - -// Following lines add a JPEG decoder to UTIF.JpegDecoder -(function(){"use strict";var W=function a1(){function W(p){this.message="JPEG error: "+p}W.prototype=new Error;W.prototype.name="JpegError";W.constructor=W;return W}(),ak=function ag(){var p=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]),t=4017,ac=799,ah=3406,ao=2276,ar=1567,ai=3784,s=5793,ad=2896;function ak(Q){if(Q==null)Q={};if(Q.w==null)Q.w=-1;this.V=Q.n;this.N=Q.w}function a5(Q,h){var f=0,G=[],n,E,a=16,F;while(a>0&&!Q[a-1]){a--}G.push({children:[],index:0});var C=G[0];for(n=0;n0){C=G.pop()}C.index++;G.push(C);while(G.length<=n){G.push(F={children:[],index:0});C.children[C.index]=F.children;C=F}f++}if(n+10){V--;return J>>V&1}J=Q[h++];if(J===255){var I=Q[h++];if(I){if(I===220&&d){h+=2;var l=Z(Q,h);h+=2;if(l>0&&l!==f.s){throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data",l)}}else if(I===217){if(d){var M=q*8; -if(M>0&&M>>7}function u(I){var l=I;while(!0){l=l[Y()];switch(typeof l){case"number":return l;case"object":continue}throw new W("invalid huffman sequence")}}function m(I){var e=0;while(I>0){e=e<<1|Y();I--}return e}function j(I){if(I===1){return Y()===1?1:-1}var e=m(I);if(e>=1<>4;if(i===0){if(A<15){break}N+=16;continue}N+=A;var o=p[N];X.D[I+o]=j(i);N++}}function $(X,I){var l=u(X.J),M=l===0?0:j(l)<0){r--;return}var N=E,l=a;while(N<=l){var M=u(X.i),S=M&15,i=M>>4;if(S===0){if(i<15){r=m(i)+(1<>4;if(S===0){if(M<15){r=m(M)+(1<0){for(O=0;O0?"unexpected":"excessive";h=k.offset}if(k.M>=65488&&k.M<=65495){h+=2}else{break}}return h-z}function al(Q,h,f){var G=Q.$,n=Q.D,E,a,C,F,d,T,U,z,J,V,Y,u,m,j,v,$,b;if(!G){throw new W("missing required Quantization Table.")}for(var r=0;r<64;r+=8){J=n[h+r];V=n[h+r+1];Y=n[h+r+2];u=n[h+r+3];m=n[h+r+4];j=n[h+r+5];v=n[h+r+6];$=n[h+r+7];J*=G[r];if((V|Y|u|m|j|v|$)===0){b=s*J+512>>10;f[r]=b;f[r+1]=b;f[r+2]=b;f[r+3]=b;f[r+4]=b;f[r+5]=b;f[r+6]=b;f[r+7]=b;continue}V*=G[r+1];Y*=G[r+2];u*=G[r+3];m*=G[r+4];j*=G[r+5];v*=G[r+6];$*=G[r+7];E=s*J+128>>8;a=s*m+128>>8;C=Y;F=v;d=ad*(V-$)+128>>8;z=ad*(V+$)+128>>8; -T=u<<4;U=j<<4;E=E+a+1>>1;a=E-a;b=C*ai+F*ar+128>>8;C=C*ar-F*ai+128>>8;F=b;d=d+U+1>>1;U=d-U;z=z+T+1>>1;T=z-T;E=E+F+1>>1;F=E-F;a=a+C+1>>1;C=a-C;b=d*ao+z*ah+2048>>12;d=d*ah-z*ao+2048>>12;z=b;b=T*ac+U*t+2048>>12;T=T*t-U*ac+2048>>12;U=b;f[r]=E+z;f[r+7]=E-z;f[r+1]=a+U;f[r+6]=a-U;f[r+2]=C+T;f[r+5]=C-T;f[r+3]=F+d;f[r+4]=F-d}for(var P=0;P<8;++P){J=f[P];V=f[P+8];Y=f[P+16];u=f[P+24];m=f[P+32];j=f[P+40];v=f[P+48];$=f[P+56];if((V|Y|u|m|j|v|$)===0){b=s*J+8192>>14;if(b<-2040){b=0}else if(b>=2024){b=255}else{b=b+2056>>4}n[h+P]=b;n[h+P+8]=b;n[h+P+16]=b;n[h+P+24]=b;n[h+P+32]=b;n[h+P+40]=b;n[h+P+48]=b;n[h+P+56]=b;continue}E=s*J+2048>>12;a=s*m+2048>>12;C=Y;F=v;d=ad*(V-$)+2048>>12;z=ad*(V+$)+2048>>12;T=u;U=j;E=(E+a+1>>1)+4112;a=E-a;b=C*ai+F*ar+2048>>12;C=C*ar-F*ai+2048>>12;F=b;d=d+U+1>>1;U=d-U;z=z+T+1>>1;T=z-T;E=E+F+1>>1;F=E-F;a=a+C+1>>1;C=a-C;b=d*ao+z*ah+2048>>12;d=d*ah-z*ao+2048>>12;z=b; -b=T*ac+U*t+2048>>12;T=T*t-U*ac+2048>>12;U=b;J=E+z;$=E-z;V=a+U;v=a-U;Y=C+T;j=C-T;u=F+d;m=F-d;if(J<16){J=0}else if(J>=4080){J=255}else{J>>=4}if(V<16){V=0}else if(V>=4080){V=255}else{V>>=4}if(Y<16){Y=0}else if(Y>=4080){Y=255}else{Y>>=4}if(u<16){u=0}else if(u>=4080){u=255}else{u>>=4}if(m<16){m=0}else if(m>=4080){m=255}else{m>>=4}if(j<16){j=0}else if(j>=4080){j=255}else{j>>=4}if(v<16){v=0}else if(v>=4080){v=255}else{v>>=4}if($<16){$=0}else if($>=4080){$=255}else{$>>=4}n[h+P]=J; -n[h+P+8]=V;n[h+P+16]=Y;n[h+P+24]=u;n[h+P+32]=m;n[h+P+40]=j;n[h+P+48]=v;n[h+P+56]=$}}function a0(Q,h){var f=h.P,G=h.c,n=new Int16Array(64);for(var E=0;E=G){return null}var E=Z(Q,h);if(E>=65472&&E<=65534){return{u:null,M:E,offset:h}}var a=Z(Q,n);while(!(a>=65472&&a<=65534)){if(++n>=G){return null}a=Z(Q,n)}return{u:E.toString(16),M:a,offset:n}}ak.prototype={parse(Q,h){if(h==null)h={}; -var f=h.F,E=0,a=null,C=null,F,d,T=0;function G(){var o=Z(Q,E);E+=2;var B=E+o-2,V=an(Q,B,E);if(V&&V.u){B=V.offset}var ab=Q.subarray(E,B);E+=ab.length;return ab}function n(F){var o=Math.ceil(F.o/8/F.X),B=Math.ceil(F.s/8/F.B);for(var Y=0;Y>4===0){for(u=0;u<64;u++){b=p[u];P[b]=Q[E++]}}else if(r>>4===1){for(u=0;u<64;u++){b=p[u];P[b]=Z(Q,E);E+=2}}else{throw new W("DQT - invalid table spec")}U[r&15]=P}break;case 65472:case 65473:case 65474:if(F){throw new W("Only single frame JPEGs supported")}E+=2;F={};F.G=V===65473;F.Z=V===65474;F.precision=Q[E++];var D=Z(Q,E),a4,q=0,H=0;E+=2;F.s=f||D;F.o=Z(Q,E);E+=2;F.W=[];F._={};var a8=Q[E++];for(Y=0;Y>4,y=Q[E+1]&15;if(q>4===0?J:z)[_&15]=a5(N,K)}break;case 65501:E+=2;d=Z(Q,E);E+=2;break;case 65498:var x=++T===1&&!f,R;E+=2;var k=Q[E++],g=[];for(Y=0;Y>4];R.i=z[a6&15];g.push(R)}var I=Q[E++],l=Q[E++],M=Q[E++];try{var S=a7(Q,E,F,g,d,I,l,M>>4,M&15,x);E+=S}catch(ex){if(ex instanceof DNLMarkerError){return this.parse(Q,{F:ex.s})}else if(ex instanceof EOIMarkerError){break markerLoop}throw ex}break;case 65500:E+=4;break;case 65535:if(Q[E]!==255){E--}break;default:var i=an(Q,E-2,E-3);if(i&&i.u){E=i.offset;break}if(E>=Q.length-1){break markerLoop}throw new W("JpegImage.parse - unknown marker: "+V.toString(16))}V=Z(Q,E);E+=2}this.width=F.o;this.height=F.s;this.g=a;this.b=C;this.W=[];for(Y=0;Y>8)+P[J+1]}}}return v},get f(){if(this.b){return!!this.b.a}if(this.p===3){if(this.N===0){return!1}else if(this.W[0].index===82&&this.W[1].index===71&&this.W[2].index===66){return!1}return!0}if(this.N===1){return!0}return!1},z:function aj(Q){var h,f,G; -for(var n=0,E=Q.length;n4){throw new W("Unsupported color mode")}var E=this.Y(h,f,n);if(this.p===1&&G){var a=E.length,C=new Uint8ClampedArray(a*3),F=0;for(var d=0;d>24}function Z(p,t){return p[t]<<8|p[t+1]}function am(p,t){return(p[t]<<24|p[t+1]<<16|p[t+2]<<8|p[t+3])>>>0}UTIF.JpegDecoder=ak}()); - -//UTIF.JpegDecoder = PDFJS.JpegImage; - - -UTIF.encodeImage = function(rgba, w, h, metadata) -{ - var bpv = Math.round(rgba.byteLength/(w*h*4)); - var dpth = bpv*8; - var img = new Uint8Array(rgba); - if(dpth==16) { - img=img.slice(0); for(var i=0; i>>1)), prts = [], offs = [], bcnt = [], tsz=0; - var psz = 1000+(metadata?1000:0)+Math.ceil(h/rps)*8; - - for(var y=0; y probably not an image - img.isLE = id=="II"; - img.width = img["t256"][0]; //delete img["t256"]; - img.height = img["t257"][0]; //delete img["t257"]; - - var cmpr = img["t259"] ? img["t259"][0] : 1; //delete img["t259"]; - var fo = img["t266"] ? img["t266"][0] : 1; //delete img["t266"]; - if(cmpr==7 && img["t258"] && img["t258"].length!=3 && img["t258"][0]==8) { img["t258"]=[8,8,8]; img["t277"]=[3]; } // not for lossless JPEG - "RAW_CANON_EOS_550D.CR2" - if(img["t277"]==null && img["t258"] && img["t258"].length==3) img["t277"]=[3]; // t277 missing in some 3-channel JPGs inside CR2 - "RAW_CANON_350D.CR2" - - var bps = img["t258"]?img["t258"][0]:1; - var spp = img["t277"]?img["t277"][0]:1; //if(cmpr==7) spp=3; // jpg - var pco = img["t284"]?img["t284"][0]:1; if(spp!=3) pco=1; // planar configuration - if(pco==2) log("PlanarConfiguration 2 should not be used!"); - - var bipp = bps*spp; // bits per pixel - /* - var bipp; // bits per pixel - if(img["t258"]) bipp = Math.min(32,img["t258"][0])*img["t258"].length; - else bipp = (img["t277"]?img["t277"][0]:1); - */ - // Some .NEF files have t258==14, even though they use 16 bits per pixel - if(cmpr==1 && img["t279"]!=null && img["t278"] && img["t262"][0]==32803) { - bipp = Math.round((img["t279"][0]*8)/(img.width*img["t278"][0])); - } - if(img["t50885"] && img["t50885"][0]==4) bipp = img["t258"][0]*3; // RAW_CANON_40D_SRAW_V103.CR2 - var bipl = Math.ceil(img.width*bipp/8)*8; - var soff = img["t273"]; if(soff==null || img["t322"]) soff = img["t324"]; - var bcnt = img["t279"]; if(cmpr==1 && soff.length==1) bcnt = [img.height*(bipl>>>3)]; if(bcnt==null || img["t322"]) bcnt = img["t325"]; - //bcnt[0] = Math.min(bcnt[0], data.length); // Hasselblad, "RAW_HASSELBLAD_H3D39II.3FR" - var bytes = new Uint8Array(img.height*(bipl>>>3)), bilen = 0; - - if(img["t322"]!=null) // tiled - { - var tw = img["t322"][0], th = img["t323"][0]; - var tx = Math.floor((img.width + tw - 1) / tw); - var ty = Math.floor((img.height + th - 1) / th); - var tbuff = new Uint8Array(Math.ceil(tw*th*bipp/8)|0); - console.log("====", tx,ty); - for(var y=0; y>>3, bpl = Math.ceil(bps*noc*w/8); - - // convert to Little Endian /* - if(bps==16 && !img.isLE && img["t33422"]==null) // not DNG - for(var y=0; y>>8)&255; - } - else if(noc==3) for(var j= 3; j> 3 ^ 0x3ff0; - return (buffer[byte] | buffer[byte + 1] << 8) >> (vpos & 7) & ~((-1) << bits); - } - } - // Raw Format 6 - function getBufferDataRW6(i) { - return buffer[vpos + 15 - i]; - } - function readPageRW6() { - bytes[0] = (getBufferDataRW6(0) << 6) | (getBufferDataRW6(1) >> 2); // 14 bit - bytes[1] = (((getBufferDataRW6(1) & 0x3) << 12) | (getBufferDataRW6(2) << 4) | (getBufferDataRW6(3) >> 4)) & 0x3fff; - bytes[2] = (getBufferDataRW6(3) >> 2) & 0x3; - bytes[3] = ((getBufferDataRW6(3) & 0x3) << 8) | getBufferDataRW6(4); - bytes[4] = (getBufferDataRW6(5) << 2) | (getBufferDataRW6(6) >> 6); - bytes[5] = ((getBufferDataRW6(6) & 0x3f) << 4) | (getBufferDataRW6(7) >> 4); - bytes[6] = (getBufferDataRW6(7) >> 2) & 0x3; - bytes[7] = ((getBufferDataRW6(7) & 0x3) << 8) | getBufferDataRW6(8); - bytes[8] = ((getBufferDataRW6(9) << 2) & 0x3fc) | (getBufferDataRW6(10) >> 6); - bytes[9] = ((getBufferDataRW6(10) << 4) | (getBufferDataRW6(11) >> 4)) & 0x3ff; - bytes[10] = (getBufferDataRW6(11) >> 2) & 0x3; - bytes[11] = ((getBufferDataRW6(11) & 0x3) << 8) | getBufferDataRW6(12); - bytes[12] = (((getBufferDataRW6(13) << 2) & 0x3fc) | getBufferDataRW6(14) >> 6) & 0x3ff; - bytes[13] = ((getBufferDataRW6(14) << 4) | (getBufferDataRW6(15) >> 4)) & 0x3ff; - vpos += 16; - byte = 0; - } - function readPageRw6_bps12() { - bytes[0] = (getBufferDataRW6(0) << 4) | (getBufferDataRW6(1) >> 4); - bytes[1] = (((getBufferDataRW6(1) & 0xf) << 8) | (getBufferDataRW6(2))) & 0xfff; - bytes[2] = (getBufferDataRW6(3) >> 6) & 0x3; - bytes[3] = ((getBufferDataRW6(3) & 0x3f) << 2) | (getBufferDataRW6(4) >> 6); - bytes[4] = ((getBufferDataRW6(4) & 0x3f) << 2) | (getBufferDataRW6(5) >> 6); - bytes[5] = ((getBufferDataRW6(5) & 0x3f) << 2) | (getBufferDataRW6(6) >> 6); - bytes[6] = (getBufferDataRW6(6) >> 4) & 0x3; - bytes[7] = ((getBufferDataRW6(6) & 0xf) << 4) | (getBufferDataRW6(7) >> 4); - bytes[8] = ((getBufferDataRW6(7) & 0xf) << 4) | (getBufferDataRW6(8) >> 4); - bytes[9] = ((getBufferDataRW6(8) & 0xf) << 4) | (getBufferDataRW6(9) >> 4); - bytes[10] = (getBufferDataRW6(9) >> 2) & 0x3; - bytes[11] = ((getBufferDataRW6(9) & 0x3) << 6) | (getBufferDataRW6(10) >> 2); - bytes[12] = ((getBufferDataRW6(10) & 0x3) << 6) | (getBufferDataRW6(11) >> 2); - bytes[13] = ((getBufferDataRW6(11) & 0x3) << 6) | (getBufferDataRW6(12) >> 2); - bytes[14] = getBufferDataRW6(12) & 0x3; - bytes[15] = getBufferDataRW6(13); - bytes[16] = getBufferDataRW6(14); - bytes[17] = getBufferDataRW6(15); - - vpos += 16; - byte = 0; - } - // Main loop - function resetPredNonzeros(){ - pred[0]=0; pred[1]=0; - nonz[0]=0; nonz[1]=0; - } - if (RW2_Format == 7) { - throw RW2_Format; - - /* - for(var y=0; y> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10); - result[idx + 2] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12); - result[idx + 3] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6); - result[idx + 4] = bytes[7] + ((bytes[8] & 0x3F) << 8); - result[idx + 5] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10); - result[idx + 6] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12); - result[idx + 7] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6); - result[idx + 8] = bytes[14] + ((bytes[15] & 0x3F) << 8); - //ix+=9; - //if(ix>=rawWidth/9) ix=(ix%9)+1; - } - } //*/ - - // Skatch of version 7 - /* - var pixels_per_block = bitsPerSample == 14 ? 9 : 10; - rowbytes = 0|(rawWidth / pixels_per_block * 16); - for (row = 0; row < rawHeight - 15; row += 16) { - var rowstoread = Math.min(16, rawHeight - row); - var readlen = rowbytes*rowstoread; - buffer = new Uint8Array(image.slice(bidx, bidx+readlen)); - vpos = 0; - bidx += readlen; - i = 0; - for (crow = 0; crow < rowstoread; crow++) { - idx = (row + crow) * rawWidth; - for (col = 0; col <= rawWidth - pixels_per_block; col += pixels_per_block) { - for(j=0; j < pixels_per_block; j++) bytes[j] = buffer[i++]; - if (bitsPerSample == 12) { - result[idx ] = ((bytes[1] & 0xF) << 8) + bytes[0]; - result[idx + 1] = 16 * bytes[2] + (bytes[1] >> 4); - result[idx + 2] = ((bytes[4] & 0xF) << 8) + bytes[3]; - result[idx + 3] = 16 * bytes[5] + (bytes[4] >> 4); - result[idx + 4] = ((bytes[7] & 0xF) << 8) + bytes[6]; - result[idx + 5] = 16 * bytes[8] + (bytes[7] >> 4); - result[idx + 6] = ((bytes[10] & 0xF) << 8) + bytes[9]; - result[idx + 7] = 16 * bytes[11] + (bytes[10] >> 4); - result[idx + 8] = ((bytes[13] & 0xF) << 8) + bytes[12]; - result[idx + 9] = 16 * bytes[14] + (bytes[13] >> 4); - } else if (bitsPerSample == 14) { - result[idx] = bytes[0] + ((bytes[1] & 0x3F) << 8); - result[idx + 1] = (bytes[1] >> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10); - result[idx + 2] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12); - result[idx + 3] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6); - result[idx + 4] = bytes[7] + ((bytes[8] & 0x3F) << 8); - result[idx + 5] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10); - result[idx + 6] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12); - result[idx + 7] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6); - result[idx + 8] = bytes[14] + ((bytes[15] & 0x3F) << 8); - } - } - } - } - */ - } - else if(RW2_Format == 6) { - var is12bit = bitsPerSample == 12, - readPageRw6Fn = is12bit ? readPageRw6_bps12 : readPageRW6, - pixelsPerBlock = is12bit ? 14 : 11, - pixelbase0 = is12bit ? 0x80 : 0x200, - pixelbase_compare = is12bit ? 0x800 : 0x2000, - spix_compare = is12bit ? 0x3fff : 0xffff, - pixel_mask = is12bit ? 0xfff : 0x3fff, - blocksperrow = rawWidth / pixelsPerBlock, - rowbytes = blocksperrow * 16, - bufferSize = is12bit ? 18 : 14; - - for (row = 0; row < rawHeight - 15; row += 16) { - var rowstoread = Math.min(16, rawHeight - row); - var readlen = rowbytes*rowstoread; - buffer = new Uint8Array(img_buffer, off+bidx, readlen);//new Uint8Array(image.slice(bidx, bidx+readlen)); - vpos = 0; - bidx += readlen; - for (crow = 0, col = 0; crow < rowstoread; crow++, col = 0) { - idx = (row + crow) * rawWidth; - for (var rblock = 0; rblock < blocksperrow; rblock++) { - readPageRw6Fn(); - resetPredNonzeros(); - sh=0; pixel_base=0; - for (i = 0; i < pixelsPerBlock; i++){ - isOdd = i & 1; - if (i % 3 == 2) { - var base = byte < bufferSize ? bytes[byte++] : 0; - if (base == 3) base = 4; - pixel_base = pixelbase0 << base; - sh = 1 << base; - } - var epixel = byte < bufferSize ? bytes[byte++] : 0; - if (pred[isOdd]) { - epixel *= sh; - if (pixel_base < pixelbase_compare && nonz[isOdd] > pixel_base) - epixel += nonz[isOdd] - pixel_base; - nonz[isOdd] = epixel; - } else { - pred[isOdd] = epixel; - if (epixel) - nonz[isOdd] = epixel; - else - epixel = nonz[isOdd]; - } - result[idx + col++] = (epixel - 0xf) <= spix_compare ? (epixel - 0xf) & spix_compare : ((epixel + 0x7ffffff1) >> 0x1f) & pixel_mask; - } - } - } - } - } - else if (RW2_Format == 5) { - var blockSize = bitsPerSample == 12 ? 10 : 9; - for (row = 0; row < rawHeight; row++) { - for (col = 0; col < rawWidth; col+=blockSize) { - getDataRaw(0); - // Tuhle podminku pouziva i RW2_Format 7 - if (bitsPerSample == 12) { - result[idx++] = ((bytes[1] & 0xF) << 8) + bytes[0]; - result[idx++] = 16 * bytes[2] + (bytes[1] >> 4); - result[idx++] = ((bytes[4] & 0xF) << 8) + bytes[3]; - result[idx++] = 16 * bytes[5] + (bytes[4] >> 4); - result[idx++] = ((bytes[7] & 0xF) << 8) + bytes[6]; - result[idx++] = 16 * bytes[8] + (bytes[7] >> 4); - result[idx++] = ((bytes[10] & 0xF) << 8) + bytes[9]; - result[idx++] = 16 * bytes[11] + (bytes[10] >> 4); - result[idx++] = ((bytes[13] & 0xF) << 8) + bytes[12]; - result[idx++] = 16 * bytes[14] + (bytes[13] >> 4); - } else if (bitsPerSample == 14) { - result[idx++] = bytes[0] + ((bytes[1] & 0x3F) << 8); - result[idx++] = (bytes[1] >> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10); - result[idx++] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12); - result[idx++] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6); - result[idx++] = bytes[7] + ((bytes[8] & 0x3F) << 8); - result[idx++] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10); - result[idx++] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12); - result[idx++] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6); - result[idx++] = bytes[14] + ((bytes[15] & 0x3F) << 8); - } - } - } - //console.log(result[1000000 - 1]) - } else if(RW2_Format == 4) { - for (row = 0; row < rawHeight; row++){ - for(col = 0; col < rawWidth; col++){ - i = col % 14; - isOdd = i & 1; - if (i==0) resetPredNonzeros(); - if (i%3 == 2) - sh = 4 >> (3 - getDataRaw(2)); - if (nonz[isOdd]) { - j = getDataRaw(8); - if(j != 0){ - pred[isOdd] -= 0x80 << sh; - if (pred[isOdd] < 0 || sh == 4) - pred[isOdd] &= ~((-1) << sh); - pred[isOdd] += j << sh; - } - } else { - nonz[isOdd] = getDataRaw(8); - if(nonz[isOdd] || i > 11) - pred[isOdd] = nonz[isOdd] << 4 | getDataRaw(4); - } - result[idx++] = pred[col & 1]; - } - } - } - else throw RW2_Format; - } - - -UTIF.decode._decodeVC5 = function(){var x=[1,0,1,0,2,2,1,1,3,7,1,2,5,25,1,3,6,48,1,4,6,54,1,5,7,111,1,8,7,99,1,6,7,105,12,0,7,107,1,7,8,209,20,0,8,212,1,9,8,220,1,10,9,393,1,11,9,394,32,0,9,416,1,12,9,427,1,13,10,887,1,18,10,784,1,14,10,790,1,15,10,835,60,0,10,852,1,16,10,885,1,17,11,1571,1,19,11,1668,1,20,11,1669,100,0,11,1707,1,21,11,1772,1,22,12,3547,1,29,12,3164,1,24,12,3166,1,25,12,3140,1,23,12,3413,1,26,12,3537,1,27,12,3539,1,28,13,7093,1,35,13,6283,1,30,13,6331,1,31,13,6335,180,0,13,6824,1,32,13,7072,1,33,13,7077,320,0,13,7076,1,34,14,12565,1,36,14,12661,1,37,14,12669,1,38,14,13651,1,39,14,14184,1,40,15,28295,1,46,15,28371,1,47,15,25320,1,42,15,25336,1,43,15,25128,1,41,15,27300,1,44,15,28293,1,45,16,50259,1,48,16,50643,1,49,16,50675,1,50,16,56740,1,53,16,56584,1,51,16,56588,1,52,17,113483,1,61,17,113482,1,60,17,101285,1,55,17,101349,1,56,17,109205,1,57,17,109207,1,58,17,100516,1,54,17,113171,1,59,18,202568,1,62,18,202696,1,63,18,218408,1,64,18,218412,1,65,18,226340,1,66,18,226356,1,67,18,226358,1,68,19,402068,1,69,19,405138,1,70,19,405394,1,71,19,436818,1,72,19,436826,1,73,19,452714,1,75,19,452718,1,76,19,452682,1,74,20,804138,1,77,20,810279,1,78,20,810790,1,79,20,873638,1,80,20,873654,1,81,20,905366,1,82,20,905430,1,83,20,905438,1,84,21,1608278,1,85,21,1620557,1,86,21,1621582,1,87,21,1621583,1,88,21,1747310,1,89,21,1810734,1,90,21,1810735,1,91,21,1810863,1,92,21,1810879,1,93,22,3621725,1,99,22,3621757,1,100,22,3241112,1,94,22,3494556,1,95,22,3494557,1,96,22,3494622,1,97,22,3494623,1,98,23,6482227,1,102,23,6433117,1,101,23,6989117,1,103,23,6989119,1,105,23,6989118,1,104,23,7243449,1,106,23,7243512,1,107,24,13978233,1,111,24,12964453,1,109,24,12866232,1,108,24,14486897,1,113,24,13978232,1,110,24,14486896,1,112,24,14487026,1,114,24,14487027,1,115,25,25732598,1,225,25,25732597,1,189,25,25732596,1,188,25,25732595,1,203,25,25732594,1,202,25,25732593,1,197,25,25732592,1,207,25,25732591,1,169,25,25732590,1,223,25,25732589,1,159,25,25732522,1,235,25,25732579,1,152,25,25732575,1,192,25,25732489,1,179,25,25732573,1,201,25,25732472,1,172,25,25732576,1,149,25,25732488,1,178,25,25732566,1,120,25,25732571,1,219,25,25732577,1,150,25,25732487,1,127,25,25732506,1,211,25,25732548,1,125,25,25732588,1,158,25,25732486,1,247,25,25732467,1,238,25,25732508,1,163,25,25732552,1,228,25,25732603,1,183,25,25732513,1,217,25,25732587,1,168,25,25732520,1,122,25,25732484,1,128,25,25732562,1,249,25,25732505,1,187,25,25732504,1,186,25,25732483,1,136,25,25928905,1,181,25,25732560,1,255,25,25732500,1,230,25,25732482,1,135,25,25732555,1,233,25,25732568,1,222,25,25732583,1,145,25,25732481,1,134,25,25732586,1,167,25,25732521,1,248,25,25732518,1,209,25,25732480,1,243,25,25732512,1,216,25,25732509,1,164,25,25732547,1,140,25,25732479,1,157,25,25732544,1,239,25,25732574,1,191,25,25732564,1,251,25,25732478,1,156,25,25732546,1,139,25,25732498,1,242,25,25732557,1,133,25,25732477,1,162,25,25732515,1,213,25,25732584,1,165,25,25732514,1,212,25,25732476,1,227,25,25732494,1,198,25,25732531,1,236,25,25732530,1,234,25,25732529,1,117,25,25732528,1,215,25,25732527,1,124,25,25732526,1,123,25,25732525,1,254,25,25732524,1,253,25,25732523,1,148,25,25732570,1,218,25,25732580,1,146,25,25732581,1,147,25,25732569,1,224,25,25732533,1,143,25,25732540,1,184,25,25732541,1,185,25,25732585,1,166,25,25732556,1,132,25,25732485,1,129,25,25732563,1,250,25,25732578,1,151,25,25732501,1,119,25,25732502,1,193,25,25732536,1,176,25,25732496,1,245,25,25732553,1,229,25,25732516,1,206,25,25732582,1,144,25,25732517,1,208,25,25732558,1,137,25,25732543,1,241,25,25732466,1,237,25,25732507,1,190,25,25732542,1,240,25,25732551,1,131,25,25732554,1,232,25,25732565,1,252,25,25732475,1,171,25,25732493,1,205,25,25732492,1,204,25,25732491,1,118,25,25732490,1,214,25,25928904,1,180,25,25732549,1,126,25,25732602,1,182,25,25732539,1,175,25,25732545,1,141,25,25732559,1,138,25,25732537,1,177,25,25732534,1,153,25,25732503,1,194,25,25732606,1,160,25,25732567,1,121,25,25732538,1,174,25,25732497,1,246,25,25732550,1,130,25,25732572,1,200,25,25732474,1,170,25,25732511,1,221,25,25732601,1,196,25,25732532,1,142,25,25732519,1,210,25,25732495,1,199,25,25732605,1,155,25,25732535,1,154,25,25732499,1,244,25,25732510,1,220,25,25732600,1,195,25,25732607,1,161,25,25732604,1,231,25,25732473,1,173,25,25732599,1,226,26,51465122,1,116,26,51465123,0,1],o,C,k,P=[3,3,3,3,2,2,2,1,1,1],V=24576,ar=16384,H=8192,az=ar|H; -function d(t){var E=t[1],h=t[0][E>>>3]>>>7-(E&7)&1;t[1]++;return h}function ag(t,E){if(o==null){o={}; -for(var h=0;h>>1}return t}function A(t,E){return t>>E}function O(t,E,h,L,g,n){E[h]=A(A(11*t[g]-4*t[g+n]+t[g+n+n]+4,3)+t[L],1); -E[h+n]=A(A(5*t[g]+4*t[g+n]-t[g+n+n]+4,3)-t[L],1)}function J(t,E,h,L,g,n){var W=t[g-n]-t[g+n],j=t[g],$=t[L]; -E[h]=A(A(W+4,3)+j+$,1);E[h+n]=A(A(-W+4,3)+j-$,1)}function y(t,E,h,L,g,n){E[h]=A(A(5*t[g]+4*t[g-n]-t[g-n-n]+4,3)+t[L],1); -E[h+n]=A(A(11*t[g]-4*t[g-n]+t[g-n-n]+4,3)-t[L],1)}function q(t){t=t<0?0:t>4095?4095:t;t=k[t]>>>2;return t}function av(t,E,h,L,g,n){L=new Uint16Array(L.buffer); -var W=Date.now(),j=UTIF._binBE,$=E+h,r,u,X,I,ax,a3,R,ai,aa,ap,ah,ae,aD,al,i,aE,T,B;E+=4;var a5=n[0]==1; -while(E<$){var S=j.readShort(t,E),s=j.readUshort(t,E+2);E+=4;if(S==12)r=s;else if(S==20)u=s;else if(S==21)X=s; -else if(S==48)I=s;else if(S==53)ax=s;else if(S==35)a3=s;else if(S==62)R=s;else if(S==101)ai=s;else if(S==109)aa=s; -else if(S==84)ap=s;else if(S==106)ah=s;else if(S==107)ae=s;else if(S==108)aD=s;else if(S==102)al=s;else if(S==104)i=s; -else if(S==105)aE=s;else{var F=S<0?-S:S,D=F&65280,_=0;if(F&az){if(F&H){_=s&65535;_+=(F&255)<<16}else{_=s&65535}}if((F&V)==V){if(T==null){T=[]; -for(var M=0;M<4;M++)T[M]=new Int16Array((u>>>1)*(X>>>1));B=new Int16Array((u>>>1)*(X>>>1));C=new Int16Array(1024); -for(var M=0;M<1024;M++){var aG=M-512,p=Math.abs(aG),r=Math.floor(768*p*p*p/(255*255*255))+p;C[M]=Math.sign(aG)*r}k=new Uint16Array(4096); -var aA=(1<<16)-1;for(var M=0;M<4096;M++){var at=M,a1=aA*(Math.pow(113,at/4095)-1)/112;k[M]=Math.min(a1,aA)}}var w=T[R],v=m(u,1+P[I]),N=m(X,1+P[I]); -if(I==0){for(var b=0;b>>1)+G]=t[c]<<8|t[c+1]}}else{var a7=[t,E*8],a4=[],ay=0,aw=v*N,f=[0,0],Q=0,s=0; -while(ay0){a4[ay++]=s;Q--}}var l=(I-1)%3,aF=l!=1?v:0,a2=l!=0?N:0; -for(var b=0;b>>1)+aF,au=b*v;for(var G=0;G>>1,an=v*2,a9=N*2; -for(var b=0;b>14-K*2&3;var a6=aC[aB];if(a6!=0)for(var b=0;b>>1)*(u>>>1)+(G>>>1),z=a8[c],ao=ab[c]-2048,ak=aq[c]-2048,ad=as[c]-2048,aj=(ao<<1)+z,a0=(ak<<1)+z,aH=z+ad,am=z-ad; -if(a5){L[U]=q(aH);L[U+1]=q(a0);L[U+u]=q(aj);L[U+u+1]=q(am)}else{L[U]=q(aj);L[U+1]=q(aH);L[U+u]=q(am); -L[U+u+1]=q(a0)}}}E+=_*4}else if(F==16388){E+=_*4}else if(D==8192||D==8448||D==9216){}else throw F.toString(16)}}console.log(Date.now()-W)}return av}() - - - -UTIF.decode._decodeLogLuv32 = function(img, data, off, len, tgt, toff) { - var w = img.width, qw=w*4; - var io = 0, out = new Uint8Array(qw); - - while(io>> (tab[i] >>> 8); - for(var c=0; c>>4); tgt[toff+i+1]=(b0<<4)|(b2>>>4); tgt[toff+i+2]=(b2<<4)|(b1>>>4); } - return; - } - - var pix = new Uint16Array(16); - var row, col, val, max, min, imax, imin, sh, bit, i, dp; - - var data = new Uint8Array(raw_width+1); - for (row=0; row < height; row++) { - //fread (data, 1, raw_width, ifp); - for(var j=0; j>> 11); - imax = 0x0f & (val >>> 22); - imin = 0x0f & (val >>> 26); - for (sh=0; sh < 4 && 0x80 << sh <= max-min; sh++); - for (bit=30, i=0; i < 16; i++) - if (i == imax) pix[i] = max; - else if (i == imin) pix[i] = min; - else { - pix[i] = ((bin.readUshort(data, dp+(bit >> 3)) >>> (bit & 7) & 0x7f) << sh) + min; - if (pix[i] > 0x7ff) pix[i] = 0x7ff; - bit += 7; - } - for (i=0; i < 16; i++, col+=2) { - //RAW(row,col) = curve[pix[i] << 1] >> 2; - var clr = pix[i]<<1; //clr = 0xffff; - UTIF.decode._putsF(tgt, (row*raw_width+col)*tiff_bps, clr<<(16-tiff_bps)); - } - col -= col & 1 ? 1:31; - } - } -} - -UTIF.decode._decodeNikon = function(img,imgs, data, off, src_length, tgt, toff) -{ - var nikon_tree = [ - [ 0, 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy */ - 5,4,3,6,2,7,1,0,8,9,11,10,12 ], - [ 0, 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy after split */ - 0x39,0x5a,0x38,0x27,0x16,5,4,3,2,1,0,11,12,12 ], - [ 0, 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, /* 12-bit lossless */ - 5,4,6,3,7,2,8,1,9,0,10,11,12 ], - [ 0, 0,1,4,3,1,1,1,1,1,2,0,0,0,0,0,0, /* 14-bit lossy */ - 5,6,4,7,8,3,9,2,1,0,10,11,12,13,14 ], - [ 0, 0,1,5,1,1,1,1,1,1,1,2,0,0,0,0,0, /* 14-bit lossy after split */ - 8,0x5c,0x4b,0x3a,0x29,7,6,5,4,3,2,1,0,13,14 ], - [ 0, 0,1,4,2,2,3,1,2,0,0,0,0,0,0,0,0, /* 14-bit lossless */ - 7,6,8,5,9,4,10,3,11,12,2,0,1,13,14 ] ]; - - var raw_width = img["t256"][0], height=img["t257"][0], tiff_bps=img["t258"][0]; - - var tree = 0, split = 0; - var make_decoder = UTIF.decode._make_decoder; - var getbithuff = UTIF.decode._getbithuff; - - var mn = imgs[0].exifIFD.makerNote, md = mn["t150"]?mn["t150"]:mn["t140"], mdo=0; //console.log(mn,md); - - if(mn["t147"] && mn["t147"][0]==2) { - var ppl = Math.ceil(raw_width/10); - var bpl = ppl*16; - var rbpl = (raw_width*3)>>>1; - for(var y=0; y 1) step = Math.floor(max / (csize-1)); - if (ver0 == 0x44 && ver1 == 0x20 && step > 0) split = bin.readShort(md,562); - - - var i; - var row, col; - var len, shl, diff; - var min_v = 0; - var hpred = [0,0]; - var huff = make_decoder(nikon_tree[tree]); - - //var g_input_offset=0, bitbuf=0, vbits=0, reset=0; - var prm = [off,0,0,0]; - //console.log(split); split = 170; - - for (min_v=row=0; row < height; row++) { - if (split && row == split) { - //free (huff); - huff = make_decoder (nikon_tree[tree+1]); - //max_v += (min_v = 16) << 1; - } - for (col=0; col < raw_width; col++) { - i = getbithuff(data,prm,huff[0],huff); - len = i & 15; - shl = i >>> 4; - diff = (((getbithuff(data,prm,len-shl,0) << 1) + 1) << shl) >>> 1; - if ((diff & (1 << (len-1))) == 0) - diff -= (1 << len) - (shl==0?1:0); - if (col < 2) hpred[col] = vpred[row & 1][col] += diff; - else hpred[col & 1] += diff; - - var clr = Math.min(Math.max(hpred[col & 1],0),(1<>>3); dt[o]|=val>>>16; dt[o+1]|=val>>>8; dt[o+2]|=val; } - - -UTIF.decode._getbithuff = function(data,prm,nbits, huff) { - var zero_after_ff = 0; - var get_byte = UTIF.decode._get_byte; - var c; - - var off=prm[0], bitbuf=prm[1], vbits=prm[2], reset=prm[3]; - - //if (nbits > 25) return 0; - //if (nbits < 0) return bitbuf = vbits = reset = 0; - if (nbits == 0 || vbits < 0) return 0; - while (!reset && vbits < nbits && (c = data[off++]) != -1 && - !(reset = zero_after_ff && c == 0xff && data[off++])) { - //console.log("byte read into c"); - bitbuf = (bitbuf << 8) + c; - vbits += 8; - } - c = (bitbuf << (32-vbits)) >>> (32-nbits); - if (huff) { - vbits -= huff[c+1] >>> 8; //console.log(c, huff[c]>>8); - c = huff[c+1]&255; - } else - vbits -= nbits; - if (vbits < 0) throw "e"; - - prm[0]=off; prm[1]=bitbuf; prm[2]=vbits; prm[3]=reset; - - return c; -} - -UTIF.decode._make_decoder = function(source) { - var max, len, h, i, j; - var huff = []; - - for (max=16; max!=0 && !source[max]; max--); - var si=17; - - huff[0] = max; - for (h=len=1; len <= max; len++) - for (i=0; i < source[len]; i++, ++si) - for (j=0; j < 1 << (max-len); j++) - if (h <= 1 << max) - huff[h++] = (len << 8) | source[si]; - return huff; -} - -UTIF.decode._decodeNewJPEG = function(img, data, off, len, tgt, toff) -{ - len = Math.min(len, data.length-off); - var tables = img["t347"], tlen = tables ? tables.length : 0, buff = new Uint8Array(tlen + len); - - if (tables) { - var SOI = 216, EOI = 217, boff = 0; - for (var i=0; i<(tlen-1); i++) - { - // Skip EOI marker from JPEGTables - if (tables[i]==255 && tables[i+1]==EOI) break; - buff[boff++] = tables[i]; - } - - // Skip SOI marker from data - var byte1 = data[off], byte2 = data[off + 1]; - if (byte1!=255 || byte2!=SOI) - { - buff[boff++] = byte1; - buff[boff++] = byte2; - } - for (var i=2; i>>8); } - else for(var i=0; i>>8); tgt[toff+(i<<1)+1] = (out[i]&255); } - } - else if(bps==14 || bps==12 || bps==10) { // 4 * 14 == 56 == 7 * 8 - var rst = 16-bps; - for(var i=0; i 1); - } - - if(!isTiled) - { - if(data[off]==255 && data[off+1]==SOI) return { jpegOffset: off }; - if(jpgIchgFmt!=null) - { - if(data[off+jifoff]==255 && data[off+jifoff+1]==SOI) joff = off+jifoff; - else log("JPEGInterchangeFormat does not point to SOI"); - - if(jpgIchgFmtLen==null) log("JPEGInterchangeFormatLength field is missing"); - else if(jifoff >= soff || (jifoff+jiflen) <= soff) log("JPEGInterchangeFormatLength field value is invalid"); - - if(joff != null) return { jpegOffset: joff }; - } - } - - if(ycbcrss!=null) { ssx = ycbcrss[0]; ssy = ycbcrss[1]; } - - if(jpgIchgFmt!=null) - if(jpgIchgFmtLen!=null) - if(jiflen >= 2 && (jifoff+jiflen) <= soff) - { - if(data[off+jifoff+jiflen-2]==255 && data[off+jifoff+jiflen-1]==SOI) tables = new Uint8Array(jiflen-2); - else tables = new Uint8Array(jiflen); - - for(i=0; i offset to first strip or tile"); - - if(tables == null) - { - var ooff = 0, out = []; - out[ooff++] = 255; out[ooff++] = SOI; - - var qtables = img["t519"]; - if(qtables==null) throw new Error("JPEGQTables tag is missing"); - for(i=0; i>> 8); out[ooff++] = nc & 255; - out[ooff++] = (i | (k << 4)); - for(j=0; j<16; j++) out[ooff++] = data[off+htables[i]+j]; - for(j=0; j>> 8) & 255; out[ooff++] = img.height & 255; - out[ooff++] = (img.width >>> 8) & 255; out[ooff++] = img.width & 255; - out[ooff++] = spp; - if(spp==1) { out[ooff++] = 1; out[ooff++] = 17; out[ooff++] = 0; } - else for(i=0; i<3; i++) - { - out[ooff++] = i + 1; - out[ooff++] = (i != 0) ? 17 : (((ssx & 15) << 4) | (ssy & 15)); - out[ooff++] = i; - } - - if(jpgresint!=null && jpgresint[0]!=0) - { - out[ooff++] = 255; out[ooff++] = DRI; out[ooff++] = 0; out[ooff++] = 4; - out[ooff++] = (jpgresint[0] >>> 8) & 255; - out[ooff++] = jpgresint[0] & 255; - } - - tables = new Uint8Array(out); - } - - var sofpos = -1; - i = 0; - while(i < (tables.length - 1)) { - if(tables[i]==255 && tables[i+1]==SOF0) { sofpos = i; break; } - i++; - } - - if(sofpos == -1) - { - var tmptab = new Uint8Array(tables.length + 10 + 3*spp); - tmptab.set(tables); - var tmpoff = tables.length; - sofpos = tables.length; - tables = tmptab; - - tables[tmpoff++] = 255; tables[tmpoff++] = SOF0; - tables[tmpoff++] = 0; tables[tmpoff++] = 8 + 3*spp; tables[tmpoff++] = 8; - tables[tmpoff++] = (img.height >>> 8) & 255; tables[tmpoff++] = img.height & 255; - tables[tmpoff++] = (img.width >>> 8) & 255; tables[tmpoff++] = img.width & 255; - tables[tmpoff++] = spp; - if(spp==1) { tables[tmpoff++] = 1; tables[tmpoff++] = 17; tables[tmpoff++] = 0; } - else for(i=0; i<3; i++) - { - tables[tmpoff++] = i + 1; - tables[tmpoff++] = (i != 0) ? 17 : (((ssx & 15) << 4) | (ssy & 15)); - tables[tmpoff++] = i; - } - } - - if(data[soff]==255 && data[soff+1]==SOS) - { - var soslen = (data[soff+2]<<8) | data[soff+3]; - sosMarker = new Uint8Array(soslen+2); - sosMarker[0] = data[soff]; sosMarker[1] = data[soff+1]; sosMarker[2] = data[soff+2]; sosMarker[3] = data[soff+3]; - for(i=0; i<(soslen-2); i++) sosMarker[i+4] = data[soff+i+4]; - } - else - { - sosMarker = new Uint8Array(2 + 6 + 2*spp); - var sosoff = 0; - sosMarker[sosoff++] = 255; sosMarker[sosoff++] = SOS; - sosMarker[sosoff++] = 0; sosMarker[sosoff++] = 6 + 2*spp; sosMarker[sosoff++] = spp; - if(spp==1) { sosMarker[sosoff++] = 1; sosMarker[sosoff++] = 0; } - else for(i=0; i<3; i++) - { - sosMarker[sosoff++] = i+1; sosMarker[sosoff++] = (i << 4) | i; - } - sosMarker[sosoff++] = 0; sosMarker[sosoff++] = 63; sosMarker[sosoff++] = 0; - } - - return { jpegOffset: off, tables: tables, sosMarker: sosMarker, sofPosition: sofpos }; -} - -UTIF.decode._decodeOldJPEG = function(img, data, off, len, tgt, toff) -{ - var i, dlen, tlen, buff, buffoff; - var jpegData = UTIF.decode._decodeOldJPEGInit(img, data, off, len); - - if(jpegData.jpegOffset!=null) - { - dlen = off+len-jpegData.jpegOffset; - buff = new Uint8Array(dlen); - for(i=0; i>> 8) & 255; buff[jpegData.sofPosition+6] = img.height & 255; - buff[jpegData.sofPosition+7] = (img.width >>> 8) & 255; buff[jpegData.sofPosition+8] = img.width & 255; - - if(data[off]!=255 || data[off+1]!=SOS) - { - buff.set(jpegData.sosMarker, buffoff); - buffoff += sosMarker.length; - } - for(i=0; i=0 && n<128) for(var i=0; i< n+1; i++) { ta[toff]=sa[off]; toff++; off++; } - if(n>=-127 && n<0) { for(var i=0; i<-n+1; i++) { ta[toff]=sa[off]; toff++; } off++; } - } - return toff; -} - -UTIF.decode._decodeThunder = function(data, off, len, tgt, toff) -{ - var d2 = [ 0, 1, 0, -1 ], d3 = [ 0, 1, 2, 3, 0, -3, -2, -1 ]; - var lim = off+len, qoff = toff*2, px = 0; - while(off>>6), n = (b&63); off++; - if(msk==3) { px=(n&15); tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } - if(msk==0) for(var i=0; i>>1] |= (px<<(4*(1-qoff&1))); qoff++; } - if(msk==2) for(var i=0; i<2; i++) { var d=(n>>>(3*(1-i)))&7; if(d!=4) { px+=d3[d]; tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } } - if(msk==1) for(var i=0; i<3; i++) { var d=(n>>>(2*(2-i)))&3; if(d!=2) { px+=d2[d]; tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } } - } -} - -UTIF.decode._dmap = { "1":0,"011":1,"000011":2,"0000011":3, "010":-1,"000010":-2,"0000010":-3 }; -UTIF.decode._lens = ( function() -{ - var addKeys = function(lens, arr, i0, inc) { for(var i=0; i>>3)>>3]>>>(7-(boff&7)))&1; - if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1; - boff++; wrd+=bit; - if(mode=="H") - { - if(U._lens[clr][wrd]!=null) - { - var dl=U._lens[clr][wrd]; wrd=""; len+=dl; - if(dl<64) { U._addNtimes(line,len,clr); a0+=len; clr=1-clr; len=0; toRead--; if(toRead==0) mode=""; } - } - } - else - { - if(wrd=="0001") { wrd=""; U._addNtimes(line,b2-a0,clr); a0=b2; } - if(wrd=="001" ) { wrd=""; mode="H"; toRead=2; } - if(U._dmap[wrd]!=null) { a1 = b1+U._dmap[wrd]; U._addNtimes(line, a1-a0, clr); a0=a1; wrd=""; clr=1-clr; } - } - if(line.length==w && mode=="") - { - U._writeBits(line, tgt, toff*8+y*bipl); - clr=0; y++; a0=0; - pline=U._makeDiff(line); line=[]; - } - //if(wrd.length>150) { log(wrd); break; throw "e"; } - } -} - -UTIF.decode._findDiff = function(line, x, clr) { for(var i=0; i=x && line[i+1]==clr) return line[i]; } - -UTIF.decode._makeDiff = function(line) -{ - var out = []; if(line[0]==1) out.push(0,1); - for(var i=1; i>>3)>>3]>>>(7-(boff&7)))&1; - if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1; - boff++; wrd+=bit; - - len = U._lens[clr][wrd]; - if(len!=null) { - U._addNtimes(line,len,clr); wrd=""; - if(len<64) clr = 1-clr; - if(line.length==w) { U._writeBits(line, tgt, toff*8+y*bipl); line=[]; y++; clr=0; if((boff&7)!=0) boff+=8-(boff&7); if(len>=64) boff+=8; } - } - } -} - -UTIF.decode._decodeG3 = function(data, off, slen, tgt, toff, w, fo, twoDim) -{ - var U = UTIF.decode, boff=off<<3, len=0, wrd=""; - var line=[], pline=[]; for(var i=0; i>>3)>>3]>>>(7-(boff&7)))&1; - if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1; - boff++; wrd+=bit; - - if(is1D) - { - if(U._lens[clr][wrd]!=null) - { - var dl=U._lens[clr][wrd]; wrd=""; len+=dl; - if(dl<64) { U._addNtimes(line,len,clr); clr=1-clr; len=0; } - } - } - else - { - if(mode=="H") - { - if(U._lens[clr][wrd]!=null) - { - var dl=U._lens[clr][wrd]; wrd=""; len+=dl; - if(dl<64) { U._addNtimes(line,len,clr); a0+=len; clr=1-clr; len=0; toRead--; if(toRead==0) mode=""; } - } - } - else - { - if(wrd=="0001") { wrd=""; U._addNtimes(line,b2-a0,clr); a0=b2; } - if(wrd=="001" ) { wrd=""; mode="H"; toRead=2; } - if(U._dmap[wrd]!=null) { a1 = b1+U._dmap[wrd]; U._addNtimes(line, a1-a0, clr); a0=a1; wrd=""; clr=1-clr; } - } - } - if(wrd.endsWith("000000000001")) // needed for some files - { - if(y>=0) U._writeBits(line, tgt, toff*8+y*bipl); - if(twoDim) { - if(fo==1) is1D = ((data[boff>>>3]>>>(7-(boff&7)))&1)==1; - if(fo==2) is1D = ((data[boff>>>3]>>>( (boff&7)))&1)==1; - boff++; - } - //log("EOL",y, "next 1D:", is1D); - wrd=""; clr=0; y++; a0=0; - pline=U._makeDiff(line); line=[]; - } - } - if(line.length==w) U._writeBits(line, tgt, toff*8+y*bipl); -} - -UTIF.decode._addNtimes = function(arr, n, val) { for(var i=0; i>>3] |= (bits[i]<<(7-((boff+i)&7))); -} - -UTIF.decode._decodeLZW=UTIF.decode._decodeLZW=function(){var e,U,Z,u,K=0,V=0,g=0,N=0,O=function(){var S=e>>>3,A=U[S]<<16|U[S+1]<<8|U[S+2],j=A>>>24-(e&7)-V&(1<>>----------------"); - for(var i=0; idata.buffer.byteLength) num=data.buffer.byteLength-no; arr = new Uint8Array(data.buffer, no, num); } - if(type== 2) { var o0 = (num<5 ? offset-4 : voff), c=data[o0], len=Math.max(0, Math.min(num-1,data.length-o0)); - if(c<128 || len==0) { arr.push( bin.readASCII(data, o0, len) ); if(arr[0].endsWith("\u0000")) arr[0]=arr[0].slice(0,-1); } - else arr = new Uint8Array(data.buffer, o0, len); } - if(type== 3) { for(var j=0; j4) { bin.writeUint(data, offset, eoff); toff=eoff; } - - if (type== 1 || type==7) { for(var i=0; i4) { dlen += (dlen&1); eoff += dlen; } - offset += 4; - } - return [offset, eoff]; -} - -UTIF.toRGBA8 = function(out, scl) -{ - function gamma(x) { return x < 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1.0 / 2.4) - 0.055; } - - - var w = out.width, h = out.height, area = w*h, qarea = area*4, data = out.data; - var img = new Uint8Array(area*4); - //console.log(out); - // 0: WhiteIsZero, 1: BlackIsZero, 2: RGB, 3: Palette color, 4: Transparency mask, 5: CMYK - var intp = (out["t262"] ? out["t262"][0]: 2), bps = (out["t258"]?Math.min(64,out["t258"][0]):1); - if(out["t262"]==null && bps==1) intp=0; - - var smpls = out["t277"]?out["t277"][0] : (out["t258"]?out["t258"].length : [1,1,3,1,1,4,3][intp]); //if(out["t259"] && out["t259"][0]==7) smpls=3; // jpg - var sfmt = out["t339"]?out["t339"][0] : null; if(intp==1 && bps==32 && sfmt!=3) throw "e"; // sample format - var bpl = Math.ceil(smpls*bps*w/8); - - log("interpretation: ", intp, "smpls", smpls, "bps", bps, "sample format",sfmt, out); - - if(false) {} - else if(intp==0) - { - scl = 1/256; // "Photopeatest.tif" - for(var y=0; y>3)])>>(7- (i&7)))& 1; img[qi]=img[qi+1]=img[qi+2]=( 1-px)*255; img[qi+3]=255; } - if(bps== 4) for(var i=0; i>1)])>>(4-4*(i&1)))&15; img[qi]=img[qi+1]=img[qi+2]=(15-px)* 17; img[qi+3]=255; } - if(bps== 8) for(var i=0; i>3)])>>(7- (i&7)))&1; img[qi]=img[qi+1]=img[qi+2]=(px)*255; img[qi+3]=255; } - if(bps== 2) for(var i=0; i>2)])>>(6-2*(i&3)))&3; img[qi]=img[qi+1]=img[qi+2]=(px)* 85; img[qi+3]=255; } - if(bps== 8) for(var i=0; i>>2)+i, px=f32[o]; img[qi]=img[qi+1]=img[qi+2]= ~~(0.5+255*px); img[qi+3]=255; } - if(bps==64) for(var i=0; i>>3)+i, px=f64[o]; img[qi]=img[qi+1]=img[qi+2]= ~~(0.5+255*px); img[qi+3]=255; } - } - } - else if(intp==2) - { - if(bps== 8) - { - if(smpls==1) for(var i=0; i=4) for(var i=0; i1 && out["t338"] && out["t338"][0]!=0; - - for(var y=0; y>>3)]>>>(7- (x&7)))& 1; - else if(bps==2) mi=(data[dof+(x>>>2)]>>>(6-2*(x&3)))& 3; - else if(bps==4) mi=(data[dof+(x>>>1)]>>>(4-4*(x&1)))&15; - else if(bps==8) mi= data[dof+x*smpls]; - else throw bps; - img[qi]=(map[mi]>>8); img[qi+1]=(map[cn+mi]>>8); img[qi+2]=(map[cn+cn+mi]>>8); img[qi+3]=nexta ? data[dof+x*smpls+1] : 255; - } - } - else if(intp==5) - { - var gotAlpha = smpls>4 ? 1 : 0; - for(var i=0; i>>1); - var Y = data[si+(j&1)], Cb=data[si+2]-128, Cr=data[si+3]-128; - - var r = Y + ( (Cr >> 2) + (Cr >> 3) + (Cr >> 5) ) ; - var g = Y - ( (Cb >> 2) + (Cb >> 4) + (Cb >> 5)) - ( (Cr >> 1) + (Cr >> 3) + (Cr >> 4) + (Cr >> 5)) ; - var b = Y + ( Cb + (Cb >> 1) + (Cb >> 2) + (Cb >> 6)) ; - - img[qi ]=Math.max(0,Math.min(255,r)); - img[qi+1]=Math.max(0,Math.min(255,g)); - img[qi+2]=Math.max(0,Math.min(255,b)); - img[qi+3]=255; - } - } - } - else if(intp==8) { // CIELAB - //console.log(smpls, bps, w, h); - - if(smpls!=3 || bps!=16) throw "e"; - - var u16 = new Uint16Array(data.buffer); - var i16 = new Int16Array (data.buffer); - var M = [3.1338561, -1.6168667, -0.4906146, -0.9787684, 1.9161415, 0.0334540, 0.0719453, -0.2289914, 1.4052427] - - for(var y=0; ye ? fz3 : (116*fz-16)/k; - var yr = fy3>e ? fy3 : (116*fy-16)/k; - var xr = fx3>e ? fx3 : (116*fx-16)/k; - - var X = xr*(96.42/100), Y = yr*(100/100), Z = zr*(82.49/100); - - img[qi ] = Math.max(0, Math.min(255, gamma(X*M[0] + Y*M[1] + Z*M[2])*255)); - img[qi+1] = Math.max(0, Math.min(255, gamma(X*M[3] + Y*M[4] + Z*M[5])*255)); - img[qi+2] = Math.max(0, Math.min(255, gamma(X*M[6] + Y*M[7] + Z*M[8])*255)); - img[qi+3] = 255; - } - } - else if(intp==32845) { - - for(var y=0; yma) { ma=ar; page=img; } - } - UTIF.decodeImage(buff, page, ifds); - var rgba = UTIF.toRGBA8(page), w=page.width, h=page.height; - - var cnv = document.createElement("canvas"); cnv.width=w; cnv.height=h; - var ctx = cnv.getContext("2d"); - var imgd = new ImageData(new Uint8ClampedArray(rgba.buffer),w,h); - ctx.putImageData(imgd,0,0); - return cnv.toDataURL(); -} - - -UTIF._binBE = -{ - nextZero : function(data, o) { while(data[o]!=0) o++; return o; }, - readUshort : function(buff, p) { return (buff[p]<< 8) | buff[p+1]; }, - readShort : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+1]; a[1]=buff[p+0]; return UTIF._binBE. i16[0]; }, - readInt : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+3]; a[1]=buff[p+2]; a[2]=buff[p+1]; a[3]=buff[p+0]; return UTIF._binBE. i32[0]; }, - readUint : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+3]; a[1]=buff[p+2]; a[2]=buff[p+1]; a[3]=buff[p+0]; return UTIF._binBE.ui32[0]; }, - readASCII : function(buff, p, l) { var s = ""; for(var i=0; i> 8)&255; buff[p+1] = n&255; }, - writeInt : function(buff, p, n) { var a=UTIF._binBE.ui8; UTIF._binBE.i32[0]=n; buff[p+3]=a[0]; buff[p+2]=a[1]; buff[p+1]=a[2]; buff[p+0]=a[3]; }, - writeUint : function(buff, p, n) { buff[p] = (n>>24)&255; buff[p+1] = (n>>16)&255; buff[p+2] = (n>>8)&255; buff[p+3] = (n>>0)&255; }, - writeASCII : function(buff, p, s) { for(var i = 0; i < s.length; i++) buff[p+i] = s.charCodeAt(i); }, - writeDouble: function(buff, p, n) - { - UTIF._binBE.fl64[0] = n; - for (var i = 0; i < 8; i++) buff[p + i] = UTIF._binBE.ui8[7 - i]; - } -} -UTIF._binBE.ui8 = new Uint8Array (8); -UTIF._binBE.i16 = new Int16Array (UTIF._binBE.ui8.buffer); -UTIF._binBE.i32 = new Int32Array (UTIF._binBE.ui8.buffer); -UTIF._binBE.ui32 = new Uint32Array (UTIF._binBE.ui8.buffer); -UTIF._binBE.fl32 = new Float32Array(UTIF._binBE.ui8.buffer); -UTIF._binBE.fl64 = new Float64Array(UTIF._binBE.ui8.buffer); - -UTIF._binLE = -{ - nextZero : UTIF._binBE.nextZero, - readUshort : function(buff, p) { return (buff[p+1]<< 8) | buff[p]; }, - readShort : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; return UTIF._binBE. i16[0]; }, - readInt : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; a[2]=buff[p+2]; a[3]=buff[p+3]; return UTIF._binBE. i32[0]; }, - readUint : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; a[2]=buff[p+2]; a[3]=buff[p+3]; return UTIF._binBE.ui32[0]; }, - readASCII : UTIF._binBE.readASCII, - readFloat : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<4;i++) a[i]=buff[p+ i]; return UTIF._binBE.fl32[0]; }, - readDouble : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<8;i++) a[i]=buff[p+ i]; return UTIF._binBE.fl64[0]; }, - - writeUshort: function(buff, p, n) { buff[p] = (n)&255; buff[p+1] = (n>>8)&255; }, - writeInt : function(buff, p, n) { var a=UTIF._binBE.ui8; UTIF._binBE.i32[0]=n; buff[p+0]=a[0]; buff[p+1]=a[1]; buff[p+2]=a[2]; buff[p+3]=a[3]; }, - writeUint : function(buff, p, n) { buff[p] = (n>>>0)&255; buff[p+1] = (n>>>8)&255; buff[p+2] = (n>>>16)&255; buff[p+3] = (n>>>24)&255; }, - writeASCII : UTIF._binBE.writeASCII -} -UTIF._copyTile = function(tb, tw, th, b, w, h, xoff, yoff) -{ - //log("copyTile", tw, th, w, h, xoff, yoff); - var xlim = Math.min(tw, w-xoff); - var ylim = Math.min(th, h-yoff); - for(var y=0; y>1,G=o[i+1],f=y<<4|G,a=j-G,k=o[i]<>>15-j;I[x]=f;k++}}}function g(o,j){var I=D.i,A=15-j;for(var r=0;r>>A}}(function(){var o=1<<15;for(var j=0;j>>1|(I&1431655765)<<1; -I=(I&3435973836)>>>2|(I&858993459)<<2;I=(I&4042322160)>>>4|(I&252645135)<<4;I=(I&4278255360)>>>8|(I&16711935)<<8; -D.i[j]=(I>>>16|I<<16)>>>17}function A(r,i,y){while(i--!=0)r.push(0,y)}for(var j=0;j<32;j++){D.B[j]=D.o[j]<<3|D.z[j]; -D.h[j]=D.p[j]<<4|D.w[j]}A(D.s,144,8);A(D.s,255-143,9);A(D.s,279-255,7);A(D.s,287-279,8);C(D.s,9);t(D.s,9,D.g); -g(D.s,9);A(D.t,32,5);C(D.t,5);t(D.t,5,D.A);g(D.t,5);A(D.b,19,0);A(D.c,286,0);A(D.e,30,0);A(D.a,320,0)}()); -function F(o,j,I){return(o[j>>>3]|o[(j>>>3)+1]<<8)>>>(j&7)&(1<>>3]|o[(j>>>3)+1]<<8|o[(j>>>3)+2]<<16)>>>(j&7)&(1<0&&!Q[a-1]){a--}G.push({children:[],index:0});var C=G[0];for(n=0;n0){C=G.pop()}C.index++;G.push(C);while(G.length<=n){G.push(F={children:[],index:0});C.children[C.index]=F.children;C=F}f++}if(n+10){V--;return J>>V&1}J=Q[h++];if(J===255){var I=Q[h++];if(I){if(I===220&&d){h+=2;var l=Z(Q,h);h+=2;if(l>0&&l!==f.s){throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data",l)}}else if(I===217){if(d){var M=q*8;if(M>0&&M>>7}function u(I){var l=I;while(!0){l=l[Y()];switch(typeof l){case"number":return l;case"object":continue}throw new W("invalid huffman sequence")}}function m(I){var e=0;while(I>0){e=e<<1|Y();I--}return e}function j(I){if(I===1){return Y()===1?1:-1}var e=m(I);if(e>=1<>4;if(i===0){if(A<15){break}N+=16;continue}N+=A;var o=p[N];X.D[I+o]=j(i);N++}}function $(X,I){var l=u(X.J),M=l===0?0:j(l)<0){r--;return}var N=E,l=a;while(N<=l){var M=u(X.i),S=M&15,i=M>>4;if(S===0){if(i<15){r=m(i)+(1<>4;if(S===0){if(M<15){r=m(M)+(1<0){for(O=0;O0?"unexpected":"excessive";h=k.offset}if(k.M>=65488&&k.M<=65495){h+=2}else{break}}return h-z}function al(Q,h,f){var G=Q.$,n=Q.D,E,a,C,F,d,T,U,z,J,V,Y,u,m,j,v,$,b;if(!G){throw new W("missing required Quantization Table.")}for(var r=0;r<64;r+=8){J=n[h+r];V=n[h+r+1];Y=n[h+r+2];u=n[h+r+3];m=n[h+r+4];j=n[h+r+5];v=n[h+r+6];$=n[h+r+7];J*=G[r];if((V|Y|u|m|j|v|$)===0){b=s*J+512>>10;f[r]=b;f[r+1]=b;f[r+2]=b;f[r+3]=b;f[r+4]=b;f[r+5]=b;f[r+6]=b;f[r+7]=b;continue}V*=G[r+1];Y*=G[r+2];u*=G[r+3];m*=G[r+4];j*=G[r+5];v*=G[r+6];$*=G[r+7];E=s*J+128>>8;a=s*m+128>>8;C=Y;F=v;d=ad*(V-$)+128>>8;z=ad*(V+$)+128>>8;T=u<<4;U=j<<4;E=E+a+1>>1;a=E-a;b=C*ai+F*ar+128>>8;C=C*ar-F*ai+128>>8;F=b;d=d+U+1>>1;U=d-U;z=z+T+1>>1;T=z-T;E=E+F+1>>1;F=E-F;a=a+C+1>>1;C=a-C;b=d*ao+z*ah+2048>>12;d=d*ah-z*ao+2048>>12;z=b;b=T*ac+U*t+2048>>12;T=T*t-U*ac+2048>>12;U=b;f[r]=E+z;f[r+7]=E-z;f[r+1]=a+U;f[r+6]=a-U;f[r+2]=C+T;f[r+5]=C-T;f[r+3]=F+d;f[r+4]=F-d}for(var P=0;P<8;++P){J=f[P];V=f[P+8];Y=f[P+16];u=f[P+24];m=f[P+32];j=f[P+40];v=f[P+48];$=f[P+56];if((V|Y|u|m|j|v|$)===0){b=s*J+8192>>14;if(b<-2040){b=0}else if(b>=2024){b=255}else{b=b+2056>>4}n[h+P]=b;n[h+P+8]=b;n[h+P+16]=b;n[h+P+24]=b;n[h+P+32]=b;n[h+P+40]=b;n[h+P+48]=b;n[h+P+56]=b;continue}E=s*J+2048>>12;a=s*m+2048>>12;C=Y;F=v;d=ad*(V-$)+2048>>12;z=ad*(V+$)+2048>>12;T=u;U=j;E=(E+a+1>>1)+4112;a=E-a;b=C*ai+F*ar+2048>>12;C=C*ar-F*ai+2048>>12;F=b;d=d+U+1>>1;U=d-U;z=z+T+1>>1;T=z-T;E=E+F+1>>1;F=E-F;a=a+C+1>>1;C=a-C;b=d*ao+z*ah+2048>>12;d=d*ah-z*ao+2048>>12;z=b;b=T*ac+U*t+2048>>12;T=T*t-U*ac+2048>>12;U=b;J=E+z;$=E-z;V=a+U;v=a-U;Y=C+T;j=C-T;u=F+d;m=F-d;if(J<16){J=0}else if(J>=4080){J=255}else{J>>=4}if(V<16){V=0}else if(V>=4080){V=255}else{V>>=4}if(Y<16){Y=0}else if(Y>=4080){Y=255}else{Y>>=4}if(u<16){u=0}else if(u>=4080){u=255}else{u>>=4}if(m<16){m=0}else if(m>=4080){m=255}else{m>>=4}if(j<16){j=0}else if(j>=4080){j=255}else{j>>=4}if(v<16){v=0}else if(v>=4080){v=255}else{v>>=4}if($<16){$=0}else if($>=4080){$=255}else{$>>=4}n[h+P]=J;n[h+P+8]=V;n[h+P+16]=Y;n[h+P+24]=u;n[h+P+32]=m;n[h+P+40]=j;n[h+P+48]=v;n[h+P+56]=$}}function a0(Q,h){var f=h.P,G=h.c,n=new Int16Array(64);for(var E=0;E=G){return null}var E=Z(Q,h);if(E>=65472&&E<=65534){return{u:null,M:E,offset:h}}var a=Z(Q,n);while(!(a>=65472&&a<=65534)){if(++n>=G){return null}a=Z(Q,n)}return{u:E.toString(16),M:a,offset:n}}ak.prototype={parse(Q,h){if(h==null)h={};var f=h.F,E=0,a=null,C=null,F,d,T=0;function G(){var o=Z(Q,E);E+=2;var B=E+o-2,V=an(Q,B,E);if(V&&V.u){B=V.offset}var ab=Q.subarray(E,B);E+=ab.length;return ab}function n(F){var o=Math.ceil(F.o/8/F.X),B=Math.ceil(F.s/8/F.B);for(var Y=0;Y>4===0){for(u=0;u<64;u++){b=p[u];P[b]=Q[E++]}}else if(r>>4===1){for(u=0;u<64;u++){b=p[u];P[b]=Z(Q,E);E+=2}}else{throw new W("DQT - invalid table spec")}U[r&15]=P}break;case 65472:case 65473:case 65474:if(F){throw new W("Only single frame JPEGs supported")}E+=2;F={};F.G=V===65473;F.Z=V===65474;F.precision=Q[E++];var D=Z(Q,E),a4,q=0,H=0;E+=2;F.s=f||D;F.o=Z(Q,E);E+=2;F.W=[];F._={};var a8=Q[E++];for(Y=0;Y>4,y=Q[E+1]&15;if(q>4===0?J:z)[_&15]=a5(N,K)}break;case 65501:E+=2;d=Z(Q,E);E+=2;break;case 65498:var x=++T===1&&!f,R;E+=2;var k=Q[E++],g=[];for(Y=0;Y>4];R.i=z[a6&15];g.push(R)}var I=Q[E++],l=Q[E++],M=Q[E++];try{var S=a7(Q,E,F,g,d,I,l,M>>4,M&15,x);E+=S}catch(ex){if(ex instanceof DNLMarkerError){return this.parse(Q,{F:ex.s})}else if(ex instanceof EOIMarkerError){break markerLoop}throw ex}break;case 65500:E+=4;break;case 65535:if(Q[E]!==255){E--}break;default:var i=an(Q,E-2,E-3);if(i&&i.u){E=i.offset;break}if(E>=Q.length-1){break markerLoop}throw new W("JpegImage.parse - unknown marker: "+V.toString(16))}V=Z(Q,E);E+=2}this.width=F.o;this.height=F.s;this.g=a;this.b=C;this.W=[];for(Y=0;Y>8)+P[J+1]}}}return v},get f(){if(this.b){return!!this.b.a}if(this.p===3){if(this.N===0){return!1}else if(this.W[0].index===82&&this.W[1].index===71&&this.W[2].index===66){return!1}return!0}if(this.N===1){return!0}return!1},z:function aj(Q){var h,f,G;for(var n=0,E=Q.length;n4){throw new W("Unsupported color mode")}var E=this.Y(h,f,n);if(this.p===1&&G){var a=E.length,C=new Uint8ClampedArray(a*3),F=0;for(var d=0;d>24}function Z(p,t){return p[t]<<8|p[t+1]}function am(p,t){return(p[t]<<24|p[t+1]<<16|p[t+2]<<8|p[t+3])>>>0}UTIF.JpegDecoder=ak}());UTIF.encodeImage=function(rgba,w,h,metadata) +{var bpv=Math.round(rgba.byteLength/(w*h*4));var dpth=bpv*8;var img=new Uint8Array(rgba);if(dpth==16){img=img.slice(0);for(var i=0;i>>1)),prts=[],offs=[],bcnt=[],tsz=0;var psz=1000+(metadata?1000:0)+Math.ceil(h/rps)*8;for(var y=0;y>>3)];if(bcnt==null||img["t322"])bcnt=img["t325"];var bytes=new Uint8Array(img.height*(bipl>>>3)),bilen=0;if(img["t322"]!=null) +{var tw=img["t322"][0],th=img["t323"][0];var tx=Math.floor((img.width+tw-1)/tw);var ty=Math.floor((img.height+th-1)/th);var tbuff=new Uint8Array(Math.ceil(tw*th*bipp/8)|0);console.log("====",tx,ty);for(var y=0;y>>3,bpl=Math.ceil(bps*noc*w/8);if(bps==16&&!img.isLE&&img["t33422"]==null) +for(var y=0;y>>8)&255;} +else if(noc==3)for(var j=3;j>3^0x3ff0;return(buffer[byte]|buffer[byte+1]<<8)>>(vpos&7)&~((-1)<>2);bytes[1]=(((getBufferDataRW6(1)&0x3)<<12)|(getBufferDataRW6(2)<<4)|(getBufferDataRW6(3)>>4))&0x3fff;bytes[2]=(getBufferDataRW6(3)>>2)&0x3;bytes[3]=((getBufferDataRW6(3)&0x3)<<8)|getBufferDataRW6(4);bytes[4]=(getBufferDataRW6(5)<<2)|(getBufferDataRW6(6)>>6);bytes[5]=((getBufferDataRW6(6)&0x3f)<<4)|(getBufferDataRW6(7)>>4);bytes[6]=(getBufferDataRW6(7)>>2)&0x3;bytes[7]=((getBufferDataRW6(7)&0x3)<<8)|getBufferDataRW6(8);bytes[8]=((getBufferDataRW6(9)<<2)&0x3fc)|(getBufferDataRW6(10)>>6);bytes[9]=((getBufferDataRW6(10)<<4)|(getBufferDataRW6(11)>>4))&0x3ff;bytes[10]=(getBufferDataRW6(11)>>2)&0x3;bytes[11]=((getBufferDataRW6(11)&0x3)<<8)|getBufferDataRW6(12);bytes[12]=(((getBufferDataRW6(13)<<2)&0x3fc)|getBufferDataRW6(14)>>6)&0x3ff;bytes[13]=((getBufferDataRW6(14)<<4)|(getBufferDataRW6(15)>>4))&0x3ff;vpos+=16;byte=0;} +function readPageRw6_bps12(){bytes[0]=(getBufferDataRW6(0)<<4)|(getBufferDataRW6(1)>>4);bytes[1]=(((getBufferDataRW6(1)&0xf)<<8)|(getBufferDataRW6(2)))&0xfff;bytes[2]=(getBufferDataRW6(3)>>6)&0x3;bytes[3]=((getBufferDataRW6(3)&0x3f)<<2)|(getBufferDataRW6(4)>>6);bytes[4]=((getBufferDataRW6(4)&0x3f)<<2)|(getBufferDataRW6(5)>>6);bytes[5]=((getBufferDataRW6(5)&0x3f)<<2)|(getBufferDataRW6(6)>>6);bytes[6]=(getBufferDataRW6(6)>>4)&0x3;bytes[7]=((getBufferDataRW6(6)&0xf)<<4)|(getBufferDataRW6(7)>>4);bytes[8]=((getBufferDataRW6(7)&0xf)<<4)|(getBufferDataRW6(8)>>4);bytes[9]=((getBufferDataRW6(8)&0xf)<<4)|(getBufferDataRW6(9)>>4);bytes[10]=(getBufferDataRW6(9)>>2)&0x3;bytes[11]=((getBufferDataRW6(9)&0x3)<<6)|(getBufferDataRW6(10)>>2);bytes[12]=((getBufferDataRW6(10)&0x3)<<6)|(getBufferDataRW6(11)>>2);bytes[13]=((getBufferDataRW6(11)&0x3)<<6)|(getBufferDataRW6(12)>>2);bytes[14]=getBufferDataRW6(12)&0x3;bytes[15]=getBufferDataRW6(13);bytes[16]=getBufferDataRW6(14);bytes[17]=getBufferDataRW6(15);vpos+=16;byte=0;} +function resetPredNonzeros(){pred[0]=0;pred[1]=0;nonz[0]=0;nonz[1]=0;} +if(RW2_Format==7){throw RW2_Format;} +else if(RW2_Format==6){var is12bit=bitsPerSample==12,readPageRw6Fn=is12bit?readPageRw6_bps12:readPageRW6,pixelsPerBlock=is12bit?14:11,pixelbase0=is12bit?0x80:0x200,pixelbase_compare=is12bit?0x800:0x2000,spix_compare=is12bit?0x3fff:0xffff,pixel_mask=is12bit?0xfff:0x3fff,blocksperrow=rawWidth/pixelsPerBlock,rowbytes=blocksperrow*16,bufferSize=is12bit?18:14;for(row=0;rowpixel_base) +epixel+=nonz[isOdd]-pixel_base;nonz[isOdd]=epixel;}else{pred[isOdd]=epixel;if(epixel) +nonz[isOdd]=epixel;else +epixel=nonz[isOdd];} +result[idx+col++]=(epixel-0xf)<=spix_compare?(epixel-0xf)&spix_compare:((epixel+0x7ffffff1)>>0x1f)&pixel_mask;}}}}} +else if(RW2_Format==5){var blockSize=bitsPerSample==12?10:9;for(row=0;row>4);result[idx++]=((bytes[4]&0xF)<<8)+bytes[3];result[idx++]=16*bytes[5]+(bytes[4]>>4);result[idx++]=((bytes[7]&0xF)<<8)+bytes[6];result[idx++]=16*bytes[8]+(bytes[7]>>4);result[idx++]=((bytes[10]&0xF)<<8)+bytes[9];result[idx++]=16*bytes[11]+(bytes[10]>>4);result[idx++]=((bytes[13]&0xF)<<8)+bytes[12];result[idx++]=16*bytes[14]+(bytes[13]>>4);}else if(bitsPerSample==14){result[idx++]=bytes[0]+((bytes[1]&0x3F)<<8);result[idx++]=(bytes[1]>>6)+4*(bytes[2])+((bytes[3]&0xF)<<10);result[idx++]=(bytes[3]>>4)+16*(bytes[4])+((bytes[5]&3)<<12);result[idx++]=((bytes[5]&0xFC)>>2)+(bytes[6]<<6);result[idx++]=bytes[7]+((bytes[8]&0x3F)<<8);result[idx++]=(bytes[8]>>6)+4*bytes[9]+((bytes[10]&0xF)<<10);result[idx++]=(bytes[10]>>4)+16*bytes[11]+((bytes[12]&3)<<12);result[idx++]=((bytes[12]&0xFC)>>2)+(bytes[13]<<6);result[idx++]=bytes[14]+((bytes[15]&0x3F)<<8);}}}}else if(RW2_Format==4){for(row=0;row>(3-getDataRaw(2));if(nonz[isOdd]){j=getDataRaw(8);if(j!=0){pred[isOdd]-=0x80<11) +pred[isOdd]=nonz[isOdd]<<4|getDataRaw(4);} +result[idx++]=pred[col&1];}}} +else throw RW2_Format;} +UTIF.decode._decodeVC5=function(){var x=[1,0,1,0,2,2,1,1,3,7,1,2,5,25,1,3,6,48,1,4,6,54,1,5,7,111,1,8,7,99,1,6,7,105,12,0,7,107,1,7,8,209,20,0,8,212,1,9,8,220,1,10,9,393,1,11,9,394,32,0,9,416,1,12,9,427,1,13,10,887,1,18,10,784,1,14,10,790,1,15,10,835,60,0,10,852,1,16,10,885,1,17,11,1571,1,19,11,1668,1,20,11,1669,100,0,11,1707,1,21,11,1772,1,22,12,3547,1,29,12,3164,1,24,12,3166,1,25,12,3140,1,23,12,3413,1,26,12,3537,1,27,12,3539,1,28,13,7093,1,35,13,6283,1,30,13,6331,1,31,13,6335,180,0,13,6824,1,32,13,7072,1,33,13,7077,320,0,13,7076,1,34,14,12565,1,36,14,12661,1,37,14,12669,1,38,14,13651,1,39,14,14184,1,40,15,28295,1,46,15,28371,1,47,15,25320,1,42,15,25336,1,43,15,25128,1,41,15,27300,1,44,15,28293,1,45,16,50259,1,48,16,50643,1,49,16,50675,1,50,16,56740,1,53,16,56584,1,51,16,56588,1,52,17,113483,1,61,17,113482,1,60,17,101285,1,55,17,101349,1,56,17,109205,1,57,17,109207,1,58,17,100516,1,54,17,113171,1,59,18,202568,1,62,18,202696,1,63,18,218408,1,64,18,218412,1,65,18,226340,1,66,18,226356,1,67,18,226358,1,68,19,402068,1,69,19,405138,1,70,19,405394,1,71,19,436818,1,72,19,436826,1,73,19,452714,1,75,19,452718,1,76,19,452682,1,74,20,804138,1,77,20,810279,1,78,20,810790,1,79,20,873638,1,80,20,873654,1,81,20,905366,1,82,20,905430,1,83,20,905438,1,84,21,1608278,1,85,21,1620557,1,86,21,1621582,1,87,21,1621583,1,88,21,1747310,1,89,21,1810734,1,90,21,1810735,1,91,21,1810863,1,92,21,1810879,1,93,22,3621725,1,99,22,3621757,1,100,22,3241112,1,94,22,3494556,1,95,22,3494557,1,96,22,3494622,1,97,22,3494623,1,98,23,6482227,1,102,23,6433117,1,101,23,6989117,1,103,23,6989119,1,105,23,6989118,1,104,23,7243449,1,106,23,7243512,1,107,24,13978233,1,111,24,12964453,1,109,24,12866232,1,108,24,14486897,1,113,24,13978232,1,110,24,14486896,1,112,24,14487026,1,114,24,14487027,1,115,25,25732598,1,225,25,25732597,1,189,25,25732596,1,188,25,25732595,1,203,25,25732594,1,202,25,25732593,1,197,25,25732592,1,207,25,25732591,1,169,25,25732590,1,223,25,25732589,1,159,25,25732522,1,235,25,25732579,1,152,25,25732575,1,192,25,25732489,1,179,25,25732573,1,201,25,25732472,1,172,25,25732576,1,149,25,25732488,1,178,25,25732566,1,120,25,25732571,1,219,25,25732577,1,150,25,25732487,1,127,25,25732506,1,211,25,25732548,1,125,25,25732588,1,158,25,25732486,1,247,25,25732467,1,238,25,25732508,1,163,25,25732552,1,228,25,25732603,1,183,25,25732513,1,217,25,25732587,1,168,25,25732520,1,122,25,25732484,1,128,25,25732562,1,249,25,25732505,1,187,25,25732504,1,186,25,25732483,1,136,25,25928905,1,181,25,25732560,1,255,25,25732500,1,230,25,25732482,1,135,25,25732555,1,233,25,25732568,1,222,25,25732583,1,145,25,25732481,1,134,25,25732586,1,167,25,25732521,1,248,25,25732518,1,209,25,25732480,1,243,25,25732512,1,216,25,25732509,1,164,25,25732547,1,140,25,25732479,1,157,25,25732544,1,239,25,25732574,1,191,25,25732564,1,251,25,25732478,1,156,25,25732546,1,139,25,25732498,1,242,25,25732557,1,133,25,25732477,1,162,25,25732515,1,213,25,25732584,1,165,25,25732514,1,212,25,25732476,1,227,25,25732494,1,198,25,25732531,1,236,25,25732530,1,234,25,25732529,1,117,25,25732528,1,215,25,25732527,1,124,25,25732526,1,123,25,25732525,1,254,25,25732524,1,253,25,25732523,1,148,25,25732570,1,218,25,25732580,1,146,25,25732581,1,147,25,25732569,1,224,25,25732533,1,143,25,25732540,1,184,25,25732541,1,185,25,25732585,1,166,25,25732556,1,132,25,25732485,1,129,25,25732563,1,250,25,25732578,1,151,25,25732501,1,119,25,25732502,1,193,25,25732536,1,176,25,25732496,1,245,25,25732553,1,229,25,25732516,1,206,25,25732582,1,144,25,25732517,1,208,25,25732558,1,137,25,25732543,1,241,25,25732466,1,237,25,25732507,1,190,25,25732542,1,240,25,25732551,1,131,25,25732554,1,232,25,25732565,1,252,25,25732475,1,171,25,25732493,1,205,25,25732492,1,204,25,25732491,1,118,25,25732490,1,214,25,25928904,1,180,25,25732549,1,126,25,25732602,1,182,25,25732539,1,175,25,25732545,1,141,25,25732559,1,138,25,25732537,1,177,25,25732534,1,153,25,25732503,1,194,25,25732606,1,160,25,25732567,1,121,25,25732538,1,174,25,25732497,1,246,25,25732550,1,130,25,25732572,1,200,25,25732474,1,170,25,25732511,1,221,25,25732601,1,196,25,25732532,1,142,25,25732519,1,210,25,25732495,1,199,25,25732605,1,155,25,25732535,1,154,25,25732499,1,244,25,25732510,1,220,25,25732600,1,195,25,25732607,1,161,25,25732604,1,231,25,25732473,1,173,25,25732599,1,226,26,51465122,1,116,26,51465123,0,1],o,C,k,P=[3,3,3,3,2,2,2,1,1,1],V=24576,ar=16384,H=8192,az=ar|H;function d(t){var E=t[1],h=t[0][E>>>3]>>>7-(E&7)&1;t[1]++;return h}function ag(t,E){if(o==null){o={};for(var h=0;h>>1}return t}function A(t,E){return t>>E}function O(t,E,h,L,g,n){E[h]=A(A(11*t[g]-4*t[g+n]+t[g+n+n]+4,3)+t[L],1);E[h+n]=A(A(5*t[g]+4*t[g+n]-t[g+n+n]+4,3)-t[L],1)}function J(t,E,h,L,g,n){var W=t[g-n]-t[g+n],j=t[g],$=t[L];E[h]=A(A(W+4,3)+j+$,1);E[h+n]=A(A(-W+4,3)+j-$,1)}function y(t,E,h,L,g,n){E[h]=A(A(5*t[g]+4*t[g-n]-t[g-n-n]+4,3)+t[L],1);E[h+n]=A(A(11*t[g]-4*t[g-n]+t[g-n-n]+4,3)-t[L],1)}function q(t){t=t<0?0:t>4095?4095:t;t=k[t]>>>2;return t}function av(t,E,h,L,g,n){L=new Uint16Array(L.buffer);var W=Date.now(),j=UTIF._binBE,$=E+h,r,u,X,I,ax,a3,R,ai,aa,ap,ah,ae,aD,al,i,aE,T,B;E+=4;var a5=n[0]==1;while(E<$){var S=j.readShort(t,E),s=j.readUshort(t,E+2);E+=4;if(S==12)r=s;else if(S==20)u=s;else if(S==21)X=s;else if(S==48)I=s;else if(S==53)ax=s;else if(S==35)a3=s;else if(S==62)R=s;else if(S==101)ai=s;else if(S==109)aa=s;else if(S==84)ap=s;else if(S==106)ah=s;else if(S==107)ae=s;else if(S==108)aD=s;else if(S==102)al=s;else if(S==104)i=s;else if(S==105)aE=s;else{var F=S<0?-S:S,D=F&65280,_=0;if(F&az){if(F&H){_=s&65535;_+=(F&255)<<16}else{_=s&65535}}if((F&V)==V){if(T==null){T=[];for(var M=0;M<4;M++)T[M]=new Int16Array((u>>>1)*(X>>>1));B=new Int16Array((u>>>1)*(X>>>1));C=new Int16Array(1024);for(var M=0;M<1024;M++){var aG=M-512,p=Math.abs(aG),r=Math.floor(768*p*p*p/(255*255*255))+p;C[M]=Math.sign(aG)*r}k=new Uint16Array(4096);var aA=(1<<16)-1;for(var M=0;M<4096;M++){var at=M,a1=aA*(Math.pow(113,at/4095)-1)/112;k[M]=Math.min(a1,aA)}}var w=T[R],v=m(u,1+P[I]),N=m(X,1+P[I]);if(I==0){for(var b=0;b>>1)+G]=t[c]<<8|t[c+1]}}else{var a7=[t,E*8],a4=[],ay=0,aw=v*N,f=[0,0],Q=0,s=0;while(ay0){a4[ay++]=s;Q--}}var l=(I-1)%3,aF=l!=1?v:0,a2=l!=0?N:0;for(var b=0;b>>1)+aF,au=b*v;for(var G=0;G>>1,an=v*2,a9=N*2;for(var b=0;b>14-K*2&3;var a6=aC[aB];if(a6!=0)for(var b=0;b>>1)*(u>>>1)+(G>>>1),z=a8[c],ao=ab[c]-2048,ak=aq[c]-2048,ad=as[c]-2048,aj=(ao<<1)+z,a0=(ak<<1)+z,aH=z+ad,am=z-ad;if(a5){L[U]=q(aH);L[U+1]=q(a0);L[U+u]=q(aj);L[U+u+1]=q(am)}else{L[U]=q(aj);L[U+1]=q(aH);L[U+u]=q(am);L[U+u+1]=q(a0)}}}E+=_*4}else if(F==16388){E+=_*4}else if(D==8192||D==8448||D==9216){}else throw F.toString(16)}}console.log(Date.now()-W)}return av}() +UTIF.decode._decodeLogLuv32=function(img,data,off,len,tgt,toff){var w=img.width,qw=w*4;var io=0,out=new Uint8Array(qw);while(io>>(tab[i]>>>8);for(var c=0;c>>4);tgt[toff+i+1]=(b0<<4)|(b2>>>4);tgt[toff+i+2]=(b2<<4)|(b1>>>4);} +return;} +var pix=new Uint16Array(16);var row,col,val,max,min,imax,imin,sh,bit,i,dp;var data=new Uint8Array(raw_width+1);for(row=0;row>>11);imax=0x0f&(val>>>22);imin=0x0f&(val>>>26);for(sh=0;sh<4&&0x80<>3))>>>(bit&7)&0x7f)<0x7ff)pix[i]=0x7ff;bit+=7;} +for(i=0;i<16;i++,col+=2){var clr=pix[i]<<1;UTIF.decode._putsF(tgt,(row*raw_width+col)*tiff_bps,clr<<(16-tiff_bps));} +col-=col&1?1:31;}}} +UTIF.decode._decodeNikon=function(img,imgs,data,off,src_length,tgt,toff) +{var nikon_tree=[[0,0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0,5,4,3,6,2,7,1,0,8,9,11,10,12],[0,0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0,0x39,0x5a,0x38,0x27,0x16,5,4,3,2,1,0,11,12,12],[0,0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0,5,4,6,3,7,2,8,1,9,0,10,11,12],[0,0,1,4,3,1,1,1,1,1,2,0,0,0,0,0,0,5,6,4,7,8,3,9,2,1,0,10,11,12,13,14],[0,0,1,5,1,1,1,1,1,1,1,2,0,0,0,0,0,8,0x5c,0x4b,0x3a,0x29,7,6,5,4,3,2,1,0,13,14],[0,0,1,4,2,2,3,1,2,0,0,0,0,0,0,0,0,7,6,8,5,9,4,10,3,11,12,2,0,1,13,14]];var raw_width=img["t256"][0],height=img["t257"][0],tiff_bps=img["t258"][0];var tree=0,split=0;var make_decoder=UTIF.decode._make_decoder;var getbithuff=UTIF.decode._getbithuff;var mn=imgs[0].exifIFD.makerNote,md=mn["t150"]?mn["t150"]:mn["t140"],mdo=0;if(mn["t147"]&&mn["t147"][0]==2){var ppl=Math.ceil(raw_width/10);var bpl=ppl*16;var rbpl=(raw_width*3)>>>1;for(var y=0;y1)step=Math.floor(max/(csize-1));if(ver0==0x44&&ver1==0x20&&step>0)split=bin.readShort(md,562);var i;var row,col;var len,shl,diff;var min_v=0;var hpred=[0,0];var huff=make_decoder(nikon_tree[tree]);var prm=[off,0,0,0];for(min_v=row=0;row>>4;diff=(((getbithuff(data,prm,len-shl,0)<<1)+1)<>>1;if((diff&(1<<(len-1)))==0) +diff-=(1<>>3);dt[o]|=val>>>16;dt[o+1]|=val>>>8;dt[o+2]|=val;} +UTIF.decode._getbithuff=function(data,prm,nbits,huff){var zero_after_ff=0;var get_byte=UTIF.decode._get_byte;var c;var off=prm[0],bitbuf=prm[1],vbits=prm[2],reset=prm[3];if(nbits==0||vbits<0)return 0;while(!reset&&vbits>>(32-nbits);if(huff){vbits-=huff[c+1]>>>8;c=huff[c+1]&255;}else +vbits-=nbits;if(vbits<0)throw"e";prm[0]=off;prm[1]=bitbuf;prm[2]=vbits;prm[3]=reset;return c;} +UTIF.decode._make_decoder=function(source){var max,len,h,i,j;var huff=[];for(max=16;max!=0&&!source[max];max--);var si=17;huff[0]=max;for(h=len=1;len<=max;len++) +for(i=0;i>>8);} +else for(var i=0;i>>8);tgt[toff+(i<<1)+1]=(out[i]&255);}} +else if(bps==14||bps==12||bps==10){var rst=16-bps;for(var i=0;i1);} +if(!isTiled) +{if(data[off]==255&&data[off+1]==SOI)return{jpegOffset:off};if(jpgIchgFmt!=null) +{if(data[off+jifoff]==255&&data[off+jifoff+1]==SOI)joff=off+jifoff;else log("JPEGInterchangeFormat does not point to SOI");if(jpgIchgFmtLen==null)log("JPEGInterchangeFormatLength field is missing");else if(jifoff>=soff||(jifoff+jiflen)<=soff)log("JPEGInterchangeFormatLength field value is invalid");if(joff!=null)return{jpegOffset:joff};}} +if(ycbcrss!=null){ssx=ycbcrss[0];ssy=ycbcrss[1];} +if(jpgIchgFmt!=null) +if(jpgIchgFmtLen!=null) +if(jiflen>=2&&(jifoff+jiflen)<=soff) +{if(data[off+jifoff+jiflen-2]==255&&data[off+jifoff+jiflen-1]==SOI)tables=new Uint8Array(jiflen-2);else tables=new Uint8Array(jiflen);for(i=0;i offset to first strip or tile");if(tables==null) +{var ooff=0,out=[];out[ooff++]=255;out[ooff++]=SOI;var qtables=img["t519"];if(qtables==null)throw new Error("JPEGQTables tag is missing");for(i=0;i>>8);out[ooff++]=nc&255;out[ooff++]=(i|(k<<4));for(j=0;j<16;j++)out[ooff++]=data[off+htables[i]+j];for(j=0;j>>8)&255;out[ooff++]=img.height&255;out[ooff++]=(img.width>>>8)&255;out[ooff++]=img.width&255;out[ooff++]=spp;if(spp==1){out[ooff++]=1;out[ooff++]=17;out[ooff++]=0;} +else for(i=0;i<3;i++) +{out[ooff++]=i+1;out[ooff++]=(i!=0)?17:(((ssx&15)<<4)|(ssy&15));out[ooff++]=i;} +if(jpgresint!=null&&jpgresint[0]!=0) +{out[ooff++]=255;out[ooff++]=DRI;out[ooff++]=0;out[ooff++]=4;out[ooff++]=(jpgresint[0]>>>8)&255;out[ooff++]=jpgresint[0]&255;} +tables=new Uint8Array(out);} +var sofpos=-1;i=0;while(i<(tables.length-1)){if(tables[i]==255&&tables[i+1]==SOF0){sofpos=i;break;} +i++;} +if(sofpos==-1) +{var tmptab=new Uint8Array(tables.length+10+3*spp);tmptab.set(tables);var tmpoff=tables.length;sofpos=tables.length;tables=tmptab;tables[tmpoff++]=255;tables[tmpoff++]=SOF0;tables[tmpoff++]=0;tables[tmpoff++]=8+3*spp;tables[tmpoff++]=8;tables[tmpoff++]=(img.height>>>8)&255;tables[tmpoff++]=img.height&255;tables[tmpoff++]=(img.width>>>8)&255;tables[tmpoff++]=img.width&255;tables[tmpoff++]=spp;if(spp==1){tables[tmpoff++]=1;tables[tmpoff++]=17;tables[tmpoff++]=0;} +else for(i=0;i<3;i++) +{tables[tmpoff++]=i+1;tables[tmpoff++]=(i!=0)?17:(((ssx&15)<<4)|(ssy&15));tables[tmpoff++]=i;}} +if(data[soff]==255&&data[soff+1]==SOS) +{var soslen=(data[soff+2]<<8)|data[soff+3];sosMarker=new Uint8Array(soslen+2);sosMarker[0]=data[soff];sosMarker[1]=data[soff+1];sosMarker[2]=data[soff+2];sosMarker[3]=data[soff+3];for(i=0;i<(soslen-2);i++)sosMarker[i+4]=data[soff+i+4];} +else +{sosMarker=new Uint8Array(2+6+2*spp);var sosoff=0;sosMarker[sosoff++]=255;sosMarker[sosoff++]=SOS;sosMarker[sosoff++]=0;sosMarker[sosoff++]=6+2*spp;sosMarker[sosoff++]=spp;if(spp==1){sosMarker[sosoff++]=1;sosMarker[sosoff++]=0;} +else for(i=0;i<3;i++) +{sosMarker[sosoff++]=i+1;sosMarker[sosoff++]=(i<<4)|i;} +sosMarker[sosoff++]=0;sosMarker[sosoff++]=63;sosMarker[sosoff++]=0;} +return{jpegOffset:off,tables:tables,sosMarker:sosMarker,sofPosition:sofpos};} +UTIF.decode._decodeOldJPEG=function(img,data,off,len,tgt,toff) +{var i,dlen,tlen,buff,buffoff;var jpegData=UTIF.decode._decodeOldJPEGInit(img,data,off,len);if(jpegData.jpegOffset!=null) +{dlen=off+len-jpegData.jpegOffset;buff=new Uint8Array(dlen);for(i=0;i>>8)&255;buff[jpegData.sofPosition+6]=img.height&255;buff[jpegData.sofPosition+7]=(img.width>>>8)&255;buff[jpegData.sofPosition+8]=img.width&255;if(data[off]!=255||data[off+1]!=SOS) +{buff.set(jpegData.sosMarker,buffoff);buffoff+=sosMarker.length;} +for(i=0;i=0&&n<128)for(var i=0;i=-127&&n<0){for(var i=0;i<-n+1;i++){ta[toff]=sa[off];toff++;}off++;}} +return toff;} +UTIF.decode._decodeThunder=function(data,off,len,tgt,toff) +{var d2=[0,1,0,-1],d3=[0,1,2,3,0,-3,-2,-1];var lim=off+len,qoff=toff*2,px=0;while(off>>6),n=(b&63);off++;if(msk==3){px=(n&15);tgt[qoff>>>1]|=(px<<(4*(1-qoff&1)));qoff++;} +if(msk==0)for(var i=0;i>>1]|=(px<<(4*(1-qoff&1)));qoff++;} +if(msk==2)for(var i=0;i<2;i++){var d=(n>>>(3*(1-i)))&7;if(d!=4){px+=d3[d];tgt[qoff>>>1]|=(px<<(4*(1-qoff&1)));qoff++;}} +if(msk==1)for(var i=0;i<3;i++){var d=(n>>>(2*(2-i)))&3;if(d!=2){px+=d2[d];tgt[qoff>>>1]|=(px<<(4*(1-qoff&1)));qoff++;}}}} +UTIF.decode._dmap={"1":0,"011":1,"000011":2,"0000011":3,"010":-1,"000010":-2,"0000010":-3};UTIF.decode._lens=(function() +{var addKeys=function(lens,arr,i0,inc){for(var i=0;i>>3)>>3]>>>(7-(boff&7)))&1;if(fo==2)bit=(data[boff>>>3]>>>((boff&7)))&1;boff++;wrd+=bit;if(mode=="H") +{if(U._lens[clr][wrd]!=null) +{var dl=U._lens[clr][wrd];wrd="";len+=dl;if(dl<64){U._addNtimes(line,len,clr);a0+=len;clr=1-clr;len=0;toRead--;if(toRead==0)mode="";}}} +else +{if(wrd=="0001"){wrd="";U._addNtimes(line,b2-a0,clr);a0=b2;} +if(wrd=="001"){wrd="";mode="H";toRead=2;} +if(U._dmap[wrd]!=null){a1=b1+U._dmap[wrd];U._addNtimes(line,a1-a0,clr);a0=a1;wrd="";clr=1-clr;}} +if(line.length==w&&mode=="") +{U._writeBits(line,tgt,toff*8+y*bipl);clr=0;y++;a0=0;pline=U._makeDiff(line);line=[];}}} +UTIF.decode._findDiff=function(line,x,clr){for(var i=0;i=x&&line[i+1]==clr)return line[i];} +UTIF.decode._makeDiff=function(line) +{var out=[];if(line[0]==1)out.push(0,1);for(var i=1;i>>3)>>3]>>>(7-(boff&7)))&1;if(fo==2)bit=(data[boff>>>3]>>>((boff&7)))&1;boff++;wrd+=bit;len=U._lens[clr][wrd];if(len!=null){U._addNtimes(line,len,clr);wrd="";if(len<64)clr=1-clr;if(line.length==w){U._writeBits(line,tgt,toff*8+y*bipl);line=[];y++;clr=0;if((boff&7)!=0)boff+=8-(boff&7);if(len>=64)boff+=8;}}}} +UTIF.decode._decodeG3=function(data,off,slen,tgt,toff,w,fo,twoDim) +{var U=UTIF.decode,boff=off<<3,len=0,wrd="";var line=[],pline=[];for(var i=0;i>>3)>>3]>>>(7-(boff&7)))&1;if(fo==2)bit=(data[boff>>>3]>>>((boff&7)))&1;boff++;wrd+=bit;if(is1D) +{if(U._lens[clr][wrd]!=null) +{var dl=U._lens[clr][wrd];wrd="";len+=dl;if(dl<64){U._addNtimes(line,len,clr);clr=1-clr;len=0;}}} +else +{if(mode=="H") +{if(U._lens[clr][wrd]!=null) +{var dl=U._lens[clr][wrd];wrd="";len+=dl;if(dl<64){U._addNtimes(line,len,clr);a0+=len;clr=1-clr;len=0;toRead--;if(toRead==0)mode="";}}} +else +{if(wrd=="0001"){wrd="";U._addNtimes(line,b2-a0,clr);a0=b2;} +if(wrd=="001"){wrd="";mode="H";toRead=2;} +if(U._dmap[wrd]!=null){a1=b1+U._dmap[wrd];U._addNtimes(line,a1-a0,clr);a0=a1;wrd="";clr=1-clr;}}} +if(wrd.endsWith("000000000001")) +{if(y>=0)U._writeBits(line,tgt,toff*8+y*bipl);if(twoDim){if(fo==1)is1D=((data[boff>>>3]>>>(7-(boff&7)))&1)==1;if(fo==2)is1D=((data[boff>>>3]>>>((boff&7)))&1)==1;boff++;} +wrd="";clr=0;y++;a0=0;pline=U._makeDiff(line);line=[];}} +if(line.length==w)U._writeBits(line,tgt,toff*8+y*bipl);} +UTIF.decode._addNtimes=function(arr,n,val){for(var i=0;i>>3]|=(bits[i]<<(7-((boff+i)&7)));} +UTIF.decode._decodeLZW=UTIF.decode._decodeLZW=function(){var e,U,Z,u,K=0,V=0,g=0,N=0,O=function(){var S=e>>>3,A=U[S]<<16|U[S+1]<<8|U[S+2],j=A>>>24-(e&7)-V&(1<>>----------------");for(var i=0;idata.buffer.byteLength)num=data.buffer.byteLength-no;arr=new Uint8Array(data.buffer,no,num);} +if(type==2){var o0=(num<5?offset-4:voff),c=data[o0],len=Math.max(0,Math.min(num-1,data.length-o0));if(c<128||len==0){arr.push(bin.readASCII(data,o0,len));if(arr[0].endsWith("\u0000"))arr[0]=arr[0].slice(0,-1);} +else arr=new Uint8Array(data.buffer,o0,len);} +if(type==3){for(var j=0;j4){bin.writeUint(data,offset,eoff);toff=eoff;} +if(type==1||type==7){for(var i=0;i4){dlen+=(dlen&1);eoff+=dlen;} +offset+=4;} +return[offset,eoff];} +UTIF.toRGBA8=function(out,scl) +{function gamma(x){return x<0.0031308?12.92*x:1.055*Math.pow(x,1.0/2.4)-0.055;} +var w=out.width,h=out.height,area=w*h,qarea=area*4,data=out.data;var img=new Uint8Array(area*4);var intp=(out["t262"]?out["t262"][0]:2),bps=(out["t258"]?Math.min(64,out["t258"][0]):1);if(out["t262"]==null&&bps==1)intp=0;var smpls=out["t277"]?out["t277"][0]:(out["t258"]?out["t258"].length:[1,1,3,1,1,4,3][intp]);var sfmt=out["t339"]?out["t339"][0]:null;if(intp==1&&bps==32&&sfmt!=3)throw"e";var bpl=Math.ceil(smpls*bps*w/8);log("interpretation: ",intp,"smpls",smpls,"bps",bps,"sample format",sfmt,out);if(false){} +else if(intp==0) +{scl=1/256;for(var y=0;y>3)])>>(7-(i&7)))&1;img[qi]=img[qi+1]=img[qi+2]=(1-px)*255;img[qi+3]=255;} +if(bps==4)for(var i=0;i>1)])>>(4-4*(i&1)))&15;img[qi]=img[qi+1]=img[qi+2]=(15-px)*17;img[qi+3]=255;} +if(bps==8)for(var i=0;i>3)])>>(7-(i&7)))&1;img[qi]=img[qi+1]=img[qi+2]=(px)*255;img[qi+3]=255;} +if(bps==2)for(var i=0;i>2)])>>(6-2*(i&3)))&3;img[qi]=img[qi+1]=img[qi+2]=(px)*85;img[qi+3]=255;} +if(bps==8)for(var i=0;i>>2)+i,px=f32[o];img[qi]=img[qi+1]=img[qi+2]=~~(0.5+255*px);img[qi+3]=255;} +if(bps==64)for(var i=0;i>>3)+i,px=f64[o];img[qi]=img[qi+1]=img[qi+2]=~~(0.5+255*px);img[qi+3]=255;}}} +else if(intp==2) +{if(bps==8) +{if(smpls==1)for(var i=0;i=4)for(var i=0;i1&&out["t338"]&&out["t338"][0]!=0;for(var y=0;y>>3)]>>>(7-(x&7)))&1;else if(bps==2)mi=(data[dof+(x>>>2)]>>>(6-2*(x&3)))&3;else if(bps==4)mi=(data[dof+(x>>>1)]>>>(4-4*(x&1)))&15;else if(bps==8)mi=data[dof+x*smpls];else throw bps;img[qi]=(map[mi]>>8);img[qi+1]=(map[cn+mi]>>8);img[qi+2]=(map[cn+cn+mi]>>8);img[qi+3]=nexta?data[dof+x*smpls+1]:255;}} +else if(intp==5) +{var gotAlpha=smpls>4?1:0;for(var i=0;i>>1);var Y=data[si+(j&1)],Cb=data[si+2]-128,Cr=data[si+3]-128;var r=Y+((Cr>>2)+(Cr>>3)+(Cr>>5));var g=Y-((Cb>>2)+(Cb>>4)+(Cb>>5))-((Cr>>1)+(Cr>>3)+(Cr>>4)+(Cr>>5));var b=Y+(Cb+(Cb>>1)+(Cb>>2)+(Cb>>6));img[qi]=Math.max(0,Math.min(255,r));img[qi+1]=Math.max(0,Math.min(255,g));img[qi+2]=Math.max(0,Math.min(255,b));img[qi+3]=255;}}} +else if(intp==8){if(smpls!=3||bps!=16)throw"e";var u16=new Uint16Array(data.buffer);var i16=new Int16Array(data.buffer);var M=[3.1338561,-1.6168667,-0.4906146,-0.9787684,1.9161415,0.0334540,0.0719453,-0.2289914,1.4052427] +for(var y=0;ye?fz3:(116*fz-16)/k;var yr=fy3>e?fy3:(116*fy-16)/k;var xr=fx3>e?fx3:(116*fx-16)/k;var X=xr*(96.42/100),Y=yr*(100/100),Z=zr*(82.49/100);img[qi]=Math.max(0,Math.min(255,gamma(X*M[0]+Y*M[1]+Z*M[2])*255));img[qi+1]=Math.max(0,Math.min(255,gamma(X*M[3]+Y*M[4]+Z*M[5])*255));img[qi+2]=Math.max(0,Math.min(255,gamma(X*M[6]+Y*M[7]+Z*M[8])*255));img[qi+3]=255;}} +else if(intp==32845){for(var y=0;yma){ma=ar;page=img;}} +UTIF.decodeImage(buff,page,ifds);var rgba=UTIF.toRGBA8(page),w=page.width,h=page.height;var cnv=document.createElement("canvas");cnv.width=w;cnv.height=h;var ctx=cnv.getContext("2d");var imgd=new ImageData(new Uint8ClampedArray(rgba.buffer),w,h);ctx.putImageData(imgd,0,0);return cnv.toDataURL();} +UTIF._binBE={nextZero:function(data,o){while(data[o]!=0)o++;return o;},readUshort:function(buff,p){return(buff[p]<<8)|buff[p+1];},readShort:function(buff,p){var a=UTIF._binBE.ui8;a[0]=buff[p+1];a[1]=buff[p+0];return UTIF._binBE.i16[0];},readInt:function(buff,p){var a=UTIF._binBE.ui8;a[0]=buff[p+3];a[1]=buff[p+2];a[2]=buff[p+1];a[3]=buff[p+0];return UTIF._binBE.i32[0];},readUint:function(buff,p){var a=UTIF._binBE.ui8;a[0]=buff[p+3];a[1]=buff[p+2];a[2]=buff[p+1];a[3]=buff[p+0];return UTIF._binBE.ui32[0];},readASCII:function(buff,p,l){var s="";for(var i=0;i>8)&255;buff[p+1]=n&255;},writeInt:function(buff,p,n){var a=UTIF._binBE.ui8;UTIF._binBE.i32[0]=n;buff[p+3]=a[0];buff[p+2]=a[1];buff[p+1]=a[2];buff[p+0]=a[3];},writeUint:function(buff,p,n){buff[p]=(n>>24)&255;buff[p+1]=(n>>16)&255;buff[p+2]=(n>>8)&255;buff[p+3]=(n>>0)&255;},writeASCII:function(buff,p,s){for(var i=0;i>8)&255;},writeInt:function(buff,p,n){var a=UTIF._binBE.ui8;UTIF._binBE.i32[0]=n;buff[p+0]=a[0];buff[p+1]=a[1];buff[p+2]=a[2];buff[p+3]=a[3];},writeUint:function(buff,p,n){buff[p]=(n>>>0)&255;buff[p+1]=(n>>>8)&255;buff[p+2]=(n>>>16)&255;buff[p+3]=(n>>>24)&255;},writeASCII:UTIF._binBE.writeASCII} +UTIF._copyTile=function(tb,tw,th,b,w,h,xoff,yoff) +{var xlim=Math.min(tw,w-xoff);var ylim=Math.min(th,h-yoff);for(var y=0;y>1,G=o[i+1],f=y<<4|G,a=j-G,k=o[i]<>>15-j;I[x]=f;k++}}}function g(o,j){var I=D.i,A=15-j;for(var r=0;r>>A}}(function(){var o=1<<15;for(var j=0;j>>1|(I&1431655765)<<1;I=(I&3435973836)>>>2|(I&858993459)<<2;I=(I&4042322160)>>>4|(I&252645135)<<4;I=(I&4278255360)>>>8|(I&16711935)<<8;D.i[j]=(I>>>16|I<<16)>>>17}function A(r,i,y){while(i--!=0)r.push(0,y)}for(var j=0;j<32;j++){D.B[j]=D.o[j]<<3|D.z[j];D.h[j]=D.p[j]<<4|D.w[j]}A(D.s,144,8);A(D.s,255-143,9);A(D.s,279-255,7);A(D.s,287-279,8);C(D.s,9);t(D.s,9,D.g);g(D.s,9);A(D.t,32,5);C(D.t,5);t(D.t,5,D.A);g(D.t,5);A(D.b,19,0);A(D.c,286,0);A(D.e,30,0);A(D.a,320,0)}());function F(o,j,I){return(o[j>>>3]|o[(j>>>3)+1]<<8)>>>(j&7)&(1<>>3]|o[(j>>>3)+1]<<8|o[(j>>>3)+2]<<16)>>>(j&7)&(1<>>3]|o[(j>>>3)+1]<<8|o[(j>>>3)+2]<<16)>>>(j&7)}function b(o,j){return(o[j>>>3]|o[(j>>>3)+1]<<8|o[(j>>>3)+2]<<16|o[(j>>>3)+3]<<24)>>>(j&7)} -function v(o,j){var I=Uint8Array,r=0,i=0,y=0,G=0,f=0,a=0,k=0,N=0,x=0,P,J; -if(o[0]==3&&o[1]==0)return j?j:new I(0);var A=j==null;if(A)j=new I(o.length>>>2<<3);while(r==0){r=s(o,x,1); -i=s(o,x+1,2);x+=3;if(i==0){if((x&7)!=0)x+=8-(x&7);var K=(x>>>3)+4,m=o[K-4]|o[K-3]<<8;if(A)j=H(j,N+m); -j.set(new I(o.buffer,o.byteOffset+K,m),N);x=K+m<<3;N+=m;continue}if(A)j=H(j,N+(1<<17));if(i==1){P=D.g; -J=D.A;a=(1<<9)-1;k=(1<<5)-1}if(i==2){y=F(o,x,5)+257;G=F(o,x+5,5)+1;f=F(o,x+10,4)+4;x+=14;var O=x,Q=1; -for(var p=0;p<38;p+=2){D.b[p]=0;D.b[p+1]=0}for(var p=0;pQ)Q=l}x+=3*f;C(D.b,Q);t(D.b,Q,D.C);P=D.k;J=D.n;x=B(D.C,(1<>>4;if(L>>>8==0){j[N++]=L}else if(L==256){break}else{var M=N+L-254;if(L>264){var z=D.B[L-257]; -M=N+(z>>>3)+F(o,x,z&7);x+=z&7}var e=J[w(o,x)&k];x+=e&15;var E=e>>>4,c=D.h[E],q=(c>>>4)+s(o,x,c&15);x+=c&15; -if(A)j=H(j,N+(1<<17));while(N>>4;if(f<=15){i[y]=f;y++}else{var a=0,k=0;if(f==16){k=3+F(A,r,2); -r+=2;a=i[y-1]}else if(f==17){k=3+F(A,r,3);r+=3}else if(f==18){k=11+F(A,r,7);r+=7}var N=y+k;while(y>>1;while(ir)r=G;i++}while(i>--Y&1; -d=S[d+s]}u[y]=d}}function r(R,f,S,H){if(R[f+3]!=255)return 0;if(S==0)return f;for(var y=0;y<2;y++){if(R[f+y]==0){R[f+y]=R.length; -R.push(0,0,H,255)}var m=r(R,R[f+y],S-1,H+1);if(m!=0)return m}return 0}function C(R){var f=R.c,S=R.f; -while(f<25&&R.d>(f.c-=R)&65535>>16-R}function P(R,f){var S=R[0],H=0,y=255,m=0;if(f.c<16)C(f);var t=f.f>>f.c-8&255; -H=R[1][t];y=S[H+3];f.c-=S[H+2];while(y==255){m=f.f>>--f.c&1;H=S[H+m];y=S[H+3]}return y}function e(R,f){if(R<32768>>16-f)R+=-(1<>4,z&15]}}else if(d==65476){var a5=D+s-2;while(D>>4];m[b[0]]=b.slice(1)}S=A();D+=2;break}else if(d==65501){y=J()}else{D+=s-2}}var a4=H>8?Uint16Array:Uint8Array,h=new a4(Y*_*u),c={c:0,f:0,b:S==8,d:D,data:Z,a:Z.length,e:y}; -if(c.b)a2(h,_*u,c,G[0],Y);else{var x=[],V=0,T=0;for(var F=0;FV)V=O; -if(w>T)T=w;x.push(O*w)}if(V!=1||T!=1){if(u!=3||x[1]!=1||x[2]!=1)throw"e";if(V!=2||T!=1&&T!=2)throw"e"; -var N=[],L=0;for(var F=0;F>>1)*B+(O>>>1))*L,j=(w&1)*2+(O&1); -h[X]=q[n+j];h[X+1]=q[n+4];h[X+2]=q[n+5]}else for(var O=0;O<_;O++){var X=(w*_+O)*u,n=(w*B+(O>>>1))*L,j=O&1; -h[X]=q[n+j];h[X+1]=q[n+2];h[X+2]=q[n+3]}}}else{I(h,_*u,c,G,u,Y);if(y==0)M(h,S,_,Y,0,u,u,H);else{var Q=Math.floor(y/_); -for(var w=0;w>>1);else if(f==6)g=R[z]+(o-R[z-G]>>>1);else if(f==7)g=o+R[z]>>>1;else throw f; -R[p]+=g}}}}return l}(); - - - -(function(){var G=0,F=1,i=2,b=3,J=4,N=5,E=6,s=7,c=8,T=9,a3=10,f=11,q=12,M=13,m=14,x=15,L=16,$=17,p=18; -function a5(t){var Z=UTIF._binBE.readUshort,u={b:Z(t,0),i:t[2],C:t[3],u:t[4],q:Z(t,5),k:Z(t,7),e:Z(t,9),l:Z(t,11),s:t[13],d:Z(t,14)}; -if(u.b!=18771||u.i>1||u.q<6||u.q%6||u.e<768||u.e%24||u.l!=768||u.k=u.l||u.s>16||u.s!=u.k/u.l||u.s!=Math.ceil(u.e/u.l)||u.d!=u.q/6||u.u!=12&&u.u!=14&&u.u!=16||u.C!=16&&u.C!=0){throw"Invalid data"}if(u.i==0){throw"Not implemented. We need this file!"}u.h=u.C==16; -u.m=(u.h?u.l*2/3:u.l>>>1)|0;u.A=u.m+2;u.f=64;u.g=(1<>>6);for(var e=0;e<3;e++){for(var Q=0; -Q<41;Q++){Z[e][Q]=[u,1]}}return Z}function a4(t){for(var Z=-1,u=0;!u;Z++){u=t[t.j]>>>7-t.a&1;t.a++;t.a&=7; -if(!t.a)t.j++}return Z}function K(t,Z){var u=0,e=8-t.a,Q=t.j,V=t.a;if(Z){if(Z>=e){do{u<<=e;Z-=e;u|=t[t.j]&(1<=8)}if(Z){u<<=Z;e-=Z;u|=t[t.j]>>>e&(1<n&&C>>2;if(o){w[X]=h;return}l=Z.t*Z.c[t.g+Y-H]+Z.c[t.g+g-Y]}else{h=Y>g&&Y>P||Y>>2:A+v>>>1; -l=Z.t*Z.c[t.g+Y-g]+Z.c[t.g+g-A]}R=y(l);var W=a4(u);if(W>>1):a>>>1; -O[R][0]+=y(a);if(O[R][1]==t.f){O[R][0]>>>=1;O[R][1]>>>=1}O[R][1]++;h=l<0?h-a:h+a;if(t.i){if(h<0)h+=Z.w; -else if(h>t.g)h-=Z.w}w[X]=h>=0?Math.min(h,t.g):0}function U(t,Z,u){var e=t[0].length;for(var Q=Z;Q<=u; -Q++){t[Q][0]=t[Q-1][1];t[Q][e-1]=t[Q-1][e-2]}}function B(t){U(t,s,q);U(t,i,J);U(t,x,$)}function _(t,Z,u,e,Q,V,O,o,X,k,j,I,a){var l=0,R=1,w=QJ; -while(R8){r(t,Z,u,e,Q,R,o[X]);r(t,Z,u,e,V,R,o[X]);R+=2}}B(e)}function a8(t,Z,u,e,Q,V){_(t,Z,u,e,i,s,Q,V,0,0,1,0,8); -_(t,Z,u,e,c,x,Q,V,1,0,1,0,8);_(t,Z,u,e,b,T,Q,V,2,1,0,3,0);_(t,Z,u,e,a3,L,Q,V,0,0,0,3,2);_(t,Z,u,e,J,f,Q,V,1,0,0,3,2); -_(t,Z,u,e,q,$,Q,V,2,1,0,3,0)}function a9(t,Z,u,e,Q,V){var O=V.length,o=t.l;if(Q+1==t.s)o=t.e-Q*t.l;var X=6*t.e*e+Q*t.l; -for(var k=0;k<6;k++){for(var j=0;j>>1)}else if(I==2){a=x+(k>>>1)}else{a=s+k}var l=t.h?(j*2/3&2147483646|j%3&1)+(j%3>>>1):j>>>1; -Z[X+j]=u[a][l+1]}X+=t.e}}UTIF._decompressRAF=function(t,Z){var u=a5(t),e=a7(t,u),Q=a2(u),V=new Int16Array(u.e*u.q); -if(Z==null){Z=u.h?[[1,1,0,1,1,2],[1,1,2,1,1,0],[2,0,1,0,2,1],[1,1,2,1,1,0],[1,1,0,1,1,2],[0,2,1,2,0,1]]:[[0,1],[3,2]]}var O=[[G,b],[F,J],[N,f],[E,q],[M,L],[m,$]],o=[]; -for(var X=0;X>>2<<3);while(r==0){r=s(o,x,1);i=s(o,x+1,2);x+=3;if(i==0){if((x&7)!=0)x+=8-(x&7);var K=(x>>>3)+4,m=o[K-4]|o[K-3]<<8;if(A)j=H(j,N+m);j.set(new I(o.buffer,o.byteOffset+K,m),N);x=K+m<<3;N+=m;continue}if(A)j=H(j,N+(1<<17));if(i==1){P=D.g;J=D.A;a=(1<<9)-1;k=(1<<5)-1}if(i==2){y=F(o,x,5)+257;G=F(o,x+5,5)+1;f=F(o,x+10,4)+4;x+=14;var O=x,Q=1;for(var p=0;p<38;p+=2){D.b[p]=0;D.b[p+1]=0}for(var p=0;pQ)Q=l}x+=3*f;C(D.b,Q);t(D.b,Q,D.C);P=D.k;J=D.n;x=B(D.C,(1<>>4;if(L>>>8==0){j[N++]=L}else if(L==256){break}else{var M=N+L-254;if(L>264){var z=D.B[L-257];M=N+(z>>>3)+F(o,x,z&7);x+=z&7}var e=J[w(o,x)&k];x+=e&15;var E=e>>>4,c=D.h[E],q=(c>>>4)+s(o,x,c&15);x+=c&15;if(A)j=H(j,N+(1<<17));while(N>>4;if(f<=15){i[y]=f;y++}else{var a=0,k=0;if(f==16){k=3+F(A,r,2);r+=2;a=i[y-1]}else if(f==17){k=3+F(A,r,3);r+=3}else if(f==18){k=11+F(A,r,7);r+=7}var N=y+k;while(y>>1;while(ir)r=G;i++}while(i>--Y&1;d=S[d+s]}u[y]=d}}function r(R,f,S,H){if(R[f+3]!=255)return 0;if(S==0)return f;for(var y=0;y<2;y++){if(R[f+y]==0){R[f+y]=R.length;R.push(0,0,H,255)}var m=r(R,R[f+y],S-1,H+1);if(m!=0)return m}return 0}function C(R){var f=R.c,S=R.f;while(f<25&&R.d>(f.c-=R)&65535>>16-R}function P(R,f){var S=R[0],H=0,y=255,m=0;if(f.c<16)C(f);var t=f.f>>f.c-8&255;H=R[1][t];y=S[H+3];f.c-=S[H+2];while(y==255){m=f.f>>--f.c&1;H=S[H+m];y=S[H+3]}return y}function e(R,f){if(R<32768>>16-f)R+=-(1<>4,z&15]}}else if(d==65476){var a5=D+s-2;while(D>>4];m[b[0]]=b.slice(1)}S=A();D+=2;break}else if(d==65501){y=J()}else{D+=s-2}}var a4=H>8?Uint16Array:Uint8Array,h=new a4(Y*_*u),c={c:0,f:0,b:S==8,d:D,data:Z,a:Z.length,e:y};if(c.b)a2(h,_*u,c,G[0],Y);else{var x=[],V=0,T=0;for(var F=0;FV)V=O;if(w>T)T=w;x.push(O*w)}if(V!=1||T!=1){if(u!=3||x[1]!=1||x[2]!=1)throw"e";if(V!=2||T!=1&&T!=2)throw"e";var N=[],L=0;for(var F=0;F>>1)*B+(O>>>1))*L,j=(w&1)*2+(O&1);h[X]=q[n+j];h[X+1]=q[n+4];h[X+2]=q[n+5]}else for(var O=0;O<_;O++){var X=(w*_+O)*u,n=(w*B+(O>>>1))*L,j=O&1;h[X]=q[n+j];h[X+1]=q[n+2];h[X+2]=q[n+3]}}}else{I(h,_*u,c,G,u,Y);if(y==0)M(h,S,_,Y,0,u,u,H);else{var Q=Math.floor(y/_);for(var w=0;w>>1);else if(f==6)g=R[z]+(o-R[z-G]>>>1);else if(f==7)g=o+R[z]>>>1;else throw f;R[p]+=g}}}}return l}();(function(){var G=0,F=1,i=2,b=3,J=4,N=5,E=6,s=7,c=8,T=9,a3=10,f=11,q=12,M=13,m=14,x=15,L=16,$=17,p=18;function a5(t){var Z=UTIF._binBE.readUshort,u={b:Z(t,0),i:t[2],C:t[3],u:t[4],q:Z(t,5),k:Z(t,7),e:Z(t,9),l:Z(t,11),s:t[13],d:Z(t,14)};if(u.b!=18771||u.i>1||u.q<6||u.q%6||u.e<768||u.e%24||u.l!=768||u.k=u.l||u.s>16||u.s!=u.k/u.l||u.s!=Math.ceil(u.e/u.l)||u.d!=u.q/6||u.u!=12&&u.u!=14&&u.u!=16||u.C!=16&&u.C!=0){throw"Invalid data"}if(u.i==0){throw"Not implemented. We need this file!"}u.h=u.C==16;u.m=(u.h?u.l*2/3:u.l>>>1)|0;u.A=u.m+2;u.f=64;u.g=(1<>>6);for(var e=0;e<3;e++){for(var Q=0;Q<41;Q++){Z[e][Q]=[u,1]}}return Z}function a4(t){for(var Z=-1,u=0;!u;Z++){u=t[t.j]>>>7-t.a&1;t.a++;t.a&=7;if(!t.a)t.j++}return Z}function K(t,Z){var u=0,e=8-t.a,Q=t.j,V=t.a;if(Z){if(Z>=e){do{u<<=e;Z-=e;u|=t[t.j]&(1<=8)}if(Z){u<<=Z;e-=Z;u|=t[t.j]>>>e&(1<n&&C>>2;if(o){w[X]=h;return}l=Z.t*Z.c[t.g+Y-H]+Z.c[t.g+g-Y]}else{h=Y>g&&Y>P||Y>>2:A+v>>>1;l=Z.t*Z.c[t.g+Y-g]+Z.c[t.g+g-A]}R=y(l);var W=a4(u);if(W>>1):a>>>1;O[R][0]+=y(a);if(O[R][1]==t.f){O[R][0]>>>=1;O[R][1]>>>=1}O[R][1]++;h=l<0?h-a:h+a;if(t.i){if(h<0)h+=Z.w;else if(h>t.g)h-=Z.w}w[X]=h>=0?Math.min(h,t.g):0}function U(t,Z,u){var e=t[0].length;for(var Q=Z;Q<=u;Q++){t[Q][0]=t[Q-1][1];t[Q][e-1]=t[Q-1][e-2]}}function B(t){U(t,s,q);U(t,i,J);U(t,x,$)}function _(t,Z,u,e,Q,V,O,o,X,k,j,I,a){var l=0,R=1,w=QJ;while(R8){r(t,Z,u,e,Q,R,o[X]);r(t,Z,u,e,V,R,o[X]);R+=2}}B(e)}function a8(t,Z,u,e,Q,V){_(t,Z,u,e,i,s,Q,V,0,0,1,0,8);_(t,Z,u,e,c,x,Q,V,1,0,1,0,8);_(t,Z,u,e,b,T,Q,V,2,1,0,3,0);_(t,Z,u,e,a3,L,Q,V,0,0,0,3,2);_(t,Z,u,e,J,f,Q,V,1,0,0,3,2);_(t,Z,u,e,q,$,Q,V,2,1,0,3,0)}function a9(t,Z,u,e,Q,V){var O=V.length,o=t.l;if(Q+1==t.s)o=t.e-Q*t.l;var X=6*t.e*e+Q*t.l;for(var k=0;k<6;k++){for(var j=0;j>>1)}else if(I==2){a=x+(k>>>1)}else{a=s+k}var l=t.h?(j*2/3&2147483646|j%3&1)+(j%3>>>1):j>>>1;Z[X+j]=u[a][l+1]}X+=t.e}}UTIF._decompressRAF=function(t,Z){var u=a5(t),e=a7(t,u),Q=a2(u),V=new Int16Array(u.e*u.q);if(Z==null){Z=u.h?[[1,1,0,1,1,2],[1,1,2,1,1,0],[2,0,1,0,2,1],[1,1,2,1,1,0],[1,1,0,1,1,2],[0,2,1,2,0,1]]:[[0,1],[3,2]]}var O=[[G,b],[F,J],[N,f],[E,q],[M,L],[m,$]],o=[];for(var X=0;X 2); - var android = /Android/.test(userAgent); - // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); - var mac = ios || /Mac/.test(platform); - var chromeOS = /\bCrOS\b/.test(userAgent); - var windows = /win/i.test(platform); - - var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); - if (presto_version) { presto_version = Number(presto_version[1]); } - if (presto_version && presto_version >= 15) { presto = false; webkit = true; } - // Some browsers use the wrong event properties to signal cmd/ctrl on OS X - var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); - var captureRightClick = gecko || (ie && ie_version >= 9); - - function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } - - var rmClass = function(node, cls) { - var current = node.className; - var match = classTest(cls).exec(current); - if (match) { - var after = current.slice(match.index + match[0].length); - node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); - } - }; - - function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - { e.removeChild(e.firstChild); } - return e - } - - function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e) - } - - function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) { e.className = className; } - if (style) { e.style.cssText = style; } - if (typeof content == "string") { e.appendChild(document.createTextNode(content)); } - else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } } - return e - } - // wrapper for elt, which removes the elt from the accessibility tree - function eltP(tag, content, className, style) { - var e = elt(tag, content, className, style); - e.setAttribute("role", "presentation"); - return e - } - - var range; - if (document.createRange) { range = function(node, start, end, endNode) { - var r = document.createRange(); - r.setEnd(endNode || node, end); - r.setStart(node, start); - return r - }; } - else { range = function(node, start, end) { - var r = document.body.createTextRange(); - try { r.moveToElementText(node.parentNode); } - catch(e) { return r } - r.collapse(true); - r.moveEnd("character", end); - r.moveStart("character", start); - return r - }; } - - function contains(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode - { child = child.parentNode; } - if (parent.contains) - { return parent.contains(child) } - do { - if (child.nodeType == 11) { child = child.host; } - if (child == parent) { return true } - } while (child = child.parentNode) - } - - function activeElt(rootNode) { - // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. - // IE < 10 will throw when accessed while the page is loading or in an iframe. - // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. - var doc = rootNode.ownerDocument || rootNode; - var activeElement; - try { - activeElement = rootNode.activeElement; - } catch(e) { - activeElement = doc.body || null; - } - while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) - { activeElement = activeElement.shadowRoot.activeElement; } - return activeElement - } - - function addClass(node, cls) { - var current = node.className; - if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; } - } - function joinClasses(a, b) { - var as = a.split(" "); - for (var i = 0; i < as.length; i++) - { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } } - return b - } - - var selectInput = function(node) { node.select(); }; - if (ios) // Mobile Safari apparently has a bug where select() is broken. - { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; } - else if (ie) // Suppress mysterious IE10 errors - { selectInput = function(node) { try { node.select(); } catch(_e) {} }; } - - function doc(cm) { return cm.display.wrapper.ownerDocument } - - function root(cm) { - return rootNode(cm.display.wrapper) - } - - function rootNode(element) { - // Detect modern browsers (2017+). - return element.getRootNode ? element.getRootNode() : element.ownerDocument - } - - function win(cm) { return doc(cm).defaultView } - - function bind(f) { - var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args)} - } - - function copyObj(obj, target, overwrite) { - if (!target) { target = {}; } - for (var prop in obj) - { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) - { target[prop] = obj[prop]; } } - return target - } - - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - function countColumn(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) { end = string.length; } - } - for (var i = startIndex || 0, n = startValue || 0;;) { - var nextTab = string.indexOf("\t", i); - if (nextTab < 0 || nextTab >= end) - { return n + (end - i) } - n += nextTab - i; - n += tabSize - (n % tabSize); - i = nextTab + 1; - } - } - - var Delayed = function() { - this.id = null; - this.f = null; - this.time = 0; - this.handler = bind(this.onTimeout, this); - }; - Delayed.prototype.onTimeout = function (self) { - self.id = 0; - if (self.time <= +new Date) { - self.f(); - } else { - setTimeout(self.handler, self.time - +new Date); - } - }; - Delayed.prototype.set = function (ms, f) { - this.f = f; - var time = +new Date + ms; - if (!this.id || time < this.time) { - clearTimeout(this.id); - this.id = setTimeout(this.handler, ms); - this.time = time; - } - }; - - function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - { if (array[i] == elt) { return i } } - return -1 - } - - // Number of pixels added to scroller and sizer to hide scrollbar - var scrollerGap = 50; - - // Returned or thrown by various protocols to signal 'I'm not - // handling this'. - var Pass = {toString: function(){return "CodeMirror.Pass"}}; - - // Reused option objects for setSelection & friends - var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; - - // The inverse of countColumn -- find the offset that corresponds to - // a particular column. - function findColumn(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { - var nextTab = string.indexOf("\t", pos); - if (nextTab == -1) { nextTab = string.length; } - var skipped = nextTab - pos; - if (nextTab == string.length || col + skipped >= goal) - { return pos + Math.min(skipped, goal - col) } - col += nextTab - pos; - col += tabSize - (col % tabSize); - pos = nextTab + 1; - if (col >= goal) { return pos } - } - } - - var spaceStrs = [""]; - function spaceStr(n) { - while (spaceStrs.length <= n) - { spaceStrs.push(lst(spaceStrs) + " "); } - return spaceStrs[n] - } - - function lst(arr) { return arr[arr.length-1] } - - function map(array, f) { - var out = []; - for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); } - return out - } - - function insertSorted(array, value, score) { - var pos = 0, priority = score(value); - while (pos < array.length && score(array[pos]) <= priority) { pos++; } - array.splice(pos, 0, value); - } - - function nothing() {} - - function createObj(base, props) { - var inst; - if (Object.create) { - inst = Object.create(base); - } else { - nothing.prototype = base; - inst = new nothing(); - } - if (props) { copyObj(props, inst); } - return inst - } - - var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; - function isWordCharBasic(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) - } - function isWordChar(ch, helper) { - if (!helper) { return isWordCharBasic(ch) } - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } - return helper.test(ch) - } - - function isEmpty(obj) { - for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } - return true - } - - // Extending unicode characters. A series of a non-extending char + - // any number of extending chars is treated as a single unit as far - // as editing and measuring is concerned. This is not fully correct, - // since some scripts/fonts/browsers also treat other configurations - // of code points as a group. - var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; - function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } - - // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range. - function skipExtendingChars(str, pos, dir) { - while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; } - return pos - } - - // Returns the value from the range [`from`; `to`] that satisfies - // `pred` and is closest to `from`. Assumes that at least `to` - // satisfies `pred`. Supports `from` being greater than `to`. - function findFirst(pred, from, to) { - // At any point we are certain `to` satisfies `pred`, don't know - // whether `from` does. - var dir = from > to ? -1 : 1; - for (;;) { - if (from == to) { return from } - var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF); - if (mid == from) { return pred(mid) ? from : to } - if (pred(mid)) { to = mid; } - else { from = mid + dir; } - } - } - - // BIDI HELPERS - - function iterateBidiSections(order, from, to, f) { - if (!order) { return f(from, to, "ltr", 0) } - var found = false; - for (var i = 0; i < order.length; ++i) { - var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i); - found = true; - } - } - if (!found) { f(from, to, "ltr"); } - } - - var bidiOther = null; - function getBidiPartAt(order, ch, sticky) { - var found; - bidiOther = null; - for (var i = 0; i < order.length; ++i) { - var cur = order[i]; - if (cur.from < ch && cur.to > ch) { return i } - if (cur.to == ch) { - if (cur.from != cur.to && sticky == "before") { found = i; } - else { bidiOther = i; } - } - if (cur.from == ch) { - if (cur.from != cur.to && sticky != "before") { found = i; } - else { bidiOther = i; } - } - } - return found != null ? found : bidiOther - } - - // Bidirectional ordering algorithm - // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm - // that this (partially) implements. - - // One-char codes used for character types: - // L (L): Left-to-Right - // R (R): Right-to-Left - // r (AL): Right-to-Left Arabic - // 1 (EN): European Number - // + (ES): European Number Separator - // % (ET): European Number Terminator - // n (AN): Arabic Number - // , (CS): Common Number Separator - // m (NSM): Non-Spacing Mark - // b (BN): Boundary Neutral - // s (B): Paragraph Separator - // t (S): Segment Separator - // w (WS): Whitespace - // N (ON): Other Neutrals - - // Returns null if characters are ordered as they appear - // (left-to-right), or an array of sections ({from, to, level} - // objects) in the order in which they occur visually. - var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; - // Character types for codepoints 0x600 to 0x6f9 - var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"; - function charType(code) { - if (code <= 0xf7) { return lowTypes.charAt(code) } - else if (0x590 <= code && code <= 0x5f4) { return "R" } - else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } - else if (0x6ee <= code && code <= 0x8ac) { return "r" } - else if (0x2000 <= code && code <= 0x200b) { return "w" } - else if (code == 0x200c) { return "b" } - else { return "L" } - } - - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; - - function BidiSpan(level, from, to) { - this.level = level; - this.from = from; this.to = to; - } - - return function(str, direction) { - var outerType = direction == "ltr" ? "L" : "R"; - - if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false } - var len = str.length, types = []; - for (var i = 0; i < len; ++i) - { types.push(charType(str.charCodeAt(i))); } - - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { - var type = types[i$1]; - if (type == "m") { types[i$1] = prev; } - else { prev = type; } - } - - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { - var type$1 = types[i$2]; - if (type$1 == "1" && cur == "r") { types[i$2] = "n"; } - else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } } - } - - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { - var type$2 = types[i$3]; - if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; } - else if (type$2 == "," && prev$1 == types[i$3+1] && - (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; } - prev$1 = type$2; - } - - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i$4 = 0; i$4 < len; ++i$4) { - var type$3 = types[i$4]; - if (type$3 == ",") { types[i$4] = "N"; } - else if (type$3 == "%") { - var end = (void 0); - for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; - for (var j = i$4; j < end; ++j) { types[j] = replace; } - i$4 = end - 1; - } - } - - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { - var type$4 = types[i$5]; - if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; } - else if (isStrong.test(type$4)) { cur$1 = type$4; } - } - - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i$6 = 0; i$6 < len; ++i$6) { - if (isNeutral.test(types[i$6])) { - var end$1 = (void 0); - for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} - var before = (i$6 ? types[i$6-1] : outerType) == "L"; - var after = (end$1 < len ? types[end$1] : outerType) == "L"; - var replace$1 = before == after ? (before ? "L" : "R") : outerType; - for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; } - i$6 = end$1 - 1; - } - } - - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m; - for (var i$7 = 0; i$7 < len;) { - if (countsAsLeft.test(types[i$7])) { - var start = i$7; - for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} - order.push(new BidiSpan(0, start, i$7)); - } else { - var pos = i$7, at = order.length, isRTL = direction == "rtl" ? 1 : 0; - for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} - for (var j$2 = pos; j$2 < i$7;) { - if (countsAsNum.test(types[j$2])) { - if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; } - var nstart = j$2; - for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} - order.splice(at, 0, new BidiSpan(2, nstart, j$2)); - at += isRTL; - pos = j$2; - } else { ++j$2; } - } - if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); } - } - } - if (direction == "ltr") { - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length; - order.unshift(new BidiSpan(0, 0, m[0].length)); - } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length; - order.push(new BidiSpan(0, len - m[0].length, len)); - } - } - - return direction == "rtl" ? order.reverse() : order - } - })(); - - // Get the bidi ordering for the given line (and cache it). Returns - // false for lines that are fully left-to-right, and an array of - // BidiSpan objects otherwise. - function getOrder(line, direction) { - var order = line.order; - if (order == null) { order = line.order = bidiOrdering(line.text, direction); } - return order - } - - // EVENT HANDLING - - // Lightweight event framework. on/off also work on DOM nodes, - // registering native DOM handlers. - - var noHandlers = []; - - var on = function(emitter, type, f) { - if (emitter.addEventListener) { - emitter.addEventListener(type, f, false); - } else if (emitter.attachEvent) { - emitter.attachEvent("on" + type, f); - } else { - var map = emitter._handlers || (emitter._handlers = {}); - map[type] = (map[type] || noHandlers).concat(f); - } - }; - - function getHandlers(emitter, type) { - return emitter._handlers && emitter._handlers[type] || noHandlers - } - - function off(emitter, type, f) { - if (emitter.removeEventListener) { - emitter.removeEventListener(type, f, false); - } else if (emitter.detachEvent) { - emitter.detachEvent("on" + type, f); - } else { - var map = emitter._handlers, arr = map && map[type]; - if (arr) { - var index = indexOf(arr, f); - if (index > -1) - { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); } - } - } - } - - function signal(emitter, type /*, values...*/) { - var handlers = getHandlers(emitter, type); - if (!handlers.length) { return } - var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); } - } - - // The DOM events that CodeMirror handles can be overridden by - // registering a (non-DOM) handler on the editor for the event name, - // and preventDefault-ing the event in that handler. - function signalDOMEvent(cm, e, override) { - if (typeof e == "string") - { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; } - signal(cm, override || e.type, cm, e); - return e_defaultPrevented(e) || e.codemirrorIgnore - } - - function signalCursorActivity(cm) { - var arr = cm._handlers && cm._handlers.cursorActivity; - if (!arr) { return } - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); - for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) - { set.push(arr[i]); } } - } - - function hasHandler(emitter, type) { - return getHandlers(emitter, type).length > 0 - } - - // Add on and off methods to a constructor's prototype, to make - // registering events on such objects more convenient. - function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; - } - - // Due to the fact that we still support jurassic IE versions, some - // compatibility wrappers are needed. - - function e_preventDefault(e) { - if (e.preventDefault) { e.preventDefault(); } - else { e.returnValue = false; } - } - function e_stopPropagation(e) { - if (e.stopPropagation) { e.stopPropagation(); } - else { e.cancelBubble = true; } - } - function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false - } - function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} - - function e_target(e) {return e.target || e.srcElement} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) { b = 1; } - else if (e.button & 2) { b = 3; } - else if (e.button & 4) { b = 2; } - } - if (mac && e.ctrlKey && b == 1) { b = 3; } - return b - } - - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie && ie_version < 9) { return false } - var div = elt('div'); - return "draggable" in div || "dragDrop" in div - }(); - - var zwspSupported; - function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); - if (measure.firstChild.offsetHeight != 0) - { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } - } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); - node.setAttribute("cm-text", ""); - return node - } - - // Feature-detect IE's crummy client rect reporting for bidi text - var badBidiRects; - function hasBadBidiRects(measure) { - if (badBidiRects != null) { return badBidiRects } - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); - var r0 = range(txt, 0, 1).getBoundingClientRect(); - var r1 = range(txt, 1, 2).getBoundingClientRect(); - removeChildren(measure); - if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) - return badBidiRects = (r1.right - r0.right < 3) - } - - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) { nl = string.length; } - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result - } : function (string) { return string.split(/\r\n?|\n/); }; - - var hasSelection = window.getSelection ? function (te) { - try { return te.selectionStart != te.selectionEnd } - catch(e) { return false } - } : function (te) { - var range; - try {range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) { return false } - return range.compareEndPoints("StartToEnd", range) != 0 - }; - - var hasCopyEvent = (function () { - var e = elt("div"); - if ("oncopy" in e) { return true } - e.setAttribute("oncopy", "return;"); - return typeof e.oncopy == "function" - })(); - - var badZoomedRects = null; - function hasBadZoomedRects(measure) { - if (badZoomedRects != null) { return badZoomedRects } - var node = removeChildrenAndAdd(measure, elt("span", "x")); - var normal = node.getBoundingClientRect(); - var fromRange = range(node, 0, 1).getBoundingClientRect(); - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 - } - - // Known modes, by name and by MIME - var modes = {}, mimeModes = {}; - - // Extra arguments are stored as the mode's dependencies, which is - // used by (legacy) mechanisms like loadmode.js to automatically - // load a mode. (Preferred mechanism is the require/define calls.) - function defineMode(name, mode) { - if (arguments.length > 2) - { mode.dependencies = Array.prototype.slice.call(arguments, 2); } - modes[name] = mode; - } - - function defineMIME(mime, spec) { - mimeModes[mime] = spec; - } - - // Given a MIME type, a {name, ...options} config object, or a name - // string, return a mode config object. - function resolveMode(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name]; - if (typeof found == "string") { found = {name: found}; } - spec = createObj(found, spec); - spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return resolveMode("application/xml") - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { - return resolveMode("application/json") - } - if (typeof spec == "string") { return {name: spec} } - else { return spec || {name: "null"} } - } - - // Given a mode spec (anything that resolveMode accepts), find and - // initialize an actual mode object. - function getMode(options, spec) { - spec = resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) { return getMode(options, "text/plain") } - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) { continue } - if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; } - modeObj[prop] = exts[prop]; - } - } - modeObj.name = spec.name; - if (spec.helperType) { modeObj.helperType = spec.helperType; } - if (spec.modeProps) { for (var prop$1 in spec.modeProps) - { modeObj[prop$1] = spec.modeProps[prop$1]; } } - - return modeObj - } - - // This can be used to attach properties to mode objects from - // outside the actual mode definition. - var modeExtensions = {}; - function extendMode(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - copyObj(properties, exts); - } - - function copyState(mode, state) { - if (state === true) { return state } - if (mode.copyState) { return mode.copyState(state) } - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) { val = val.concat([]); } - nstate[n] = val; - } - return nstate - } - - // Given a mode and a state (for that mode), find the inner mode and - // state at the position that the state refers to. - function innerMode(mode, state) { - var info; - while (mode.innerMode) { - info = mode.innerMode(state); - if (!info || info.mode == mode) { break } - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state} - } - - function startState(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true - } - - // STRING STREAM - - // Fed to the mode parsers, provides helper functions to make - // parsers more succinct. - - var StringStream = function(string, tabSize, lineOracle) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - this.lastColumnPos = this.lastColumnValue = 0; - this.lineStart = 0; - this.lineOracle = lineOracle; - }; - - StringStream.prototype.eol = function () {return this.pos >= this.string.length}; - StringStream.prototype.sol = function () {return this.pos == this.lineStart}; - StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined}; - StringStream.prototype.next = function () { - if (this.pos < this.string.length) - { return this.string.charAt(this.pos++) } - }; - StringStream.prototype.eat = function (match) { - var ch = this.string.charAt(this.pos); - var ok; - if (typeof match == "string") { ok = ch == match; } - else { ok = ch && (match.test ? match.test(ch) : match(ch)); } - if (ok) {++this.pos; return ch} - }; - StringStream.prototype.eatWhile = function (match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start - }; - StringStream.prototype.eatSpace = function () { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; } - return this.pos > start - }; - StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;}; - StringStream.prototype.skipTo = function (ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true} - }; - StringStream.prototype.backUp = function (n) {this.pos -= n;}; - StringStream.prototype.column = function () { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); - this.lastColumnPos = this.start; - } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) - }; - StringStream.prototype.indentation = function () { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) - }; - StringStream.prototype.match = function (pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }; - var substr = this.string.substr(this.pos, pattern.length); - if (cased(substr) == cased(pattern)) { - if (consume !== false) { this.pos += pattern.length; } - return true - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) { return null } - if (match && consume !== false) { this.pos += match[0].length; } - return match - } - }; - StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)}; - StringStream.prototype.hideFirstChars = function (n, inner) { - this.lineStart += n; - try { return inner() } - finally { this.lineStart -= n; } - }; - StringStream.prototype.lookAhead = function (n) { - var oracle = this.lineOracle; - return oracle && oracle.lookAhead(n) - }; - StringStream.prototype.baseToken = function () { - var oracle = this.lineOracle; - return oracle && oracle.baseToken(this.pos) - }; - - // Find the line object corresponding to the given line number. - function getLine(doc, n) { - n -= doc.first; - if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } - var chunk = doc; - while (!chunk.lines) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break } - n -= sz; - } - } - return chunk.lines[n] - } - - // Get the part of a document between two positions, as an array of - // strings. - function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function (line) { - var text = line.text; - if (n == end.line) { text = text.slice(0, end.ch); } - if (n == start.line) { text = text.slice(start.ch); } - out.push(text); - ++n; - }); - return out - } - // Get the lines between from and to, as array of strings. - function getLines(doc, from, to) { - var out = []; - doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value - return out - } - - // Update the height of a line, propagating the height change - // upwards to parent nodes. - function updateLineHeight(line, height) { - var diff = height - line.height; - if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } } - } - - // Given a line object, find its line number by walking up through - // its parent links. - function lineNo(line) { - if (line.parent == null) { return null } - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) { break } - no += chunk.children[i].chunkSize(); - } - } - return no + cur.first - } - - // Find the line at the given vertical position, using the height - // information in the document tree. - function lineAtHeight(chunk, h) { - var n = chunk.first; - outer: do { - for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { - var child = chunk.children[i$1], ch = child.height; - if (h < ch) { chunk = child; continue outer } - h -= ch; - n += child.chunkSize(); - } - return n - } while (!chunk.lines) - var i = 0; - for (; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) { break } - h -= lh; - } - return n + i - } - - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} - - function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)) - } - - // A Pos instance represents a position within the text. - function Pos(line, ch, sticky) { - if ( sticky === void 0 ) sticky = null; - - if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) } - this.line = line; - this.ch = ch; - this.sticky = sticky; - } - - // Compare two positions, return 0 if they are the same, a negative - // number when a is less, and a positive number otherwise. - function cmp(a, b) { return a.line - b.line || a.ch - b.ch } - - function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 } - - function copyPos(x) {return Pos(x.line, x.ch)} - function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } - function minPos(a, b) { return cmp(a, b) < 0 ? a : b } - - // Most of the external API clips given positions to make sure they - // actually exist within the document. - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} - function clipPos(doc, pos) { - if (pos.line < doc.first) { return Pos(doc.first, 0) } - var last = doc.first + doc.size - 1; - if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } - return clipToLen(pos, getLine(doc, pos.line).text.length) - } - function clipToLen(pos, linelen) { - var ch = pos.ch; - if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } - else if (ch < 0) { return Pos(pos.line, 0) } - else { return pos } - } - function clipPosArray(doc, array) { - var out = []; - for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); } - return out - } - - var SavedContext = function(state, lookAhead) { - this.state = state; - this.lookAhead = lookAhead; - }; - - var Context = function(doc, state, line, lookAhead) { - this.state = state; - this.doc = doc; - this.line = line; - this.maxLookAhead = lookAhead || 0; - this.baseTokens = null; - this.baseTokenPos = 1; - }; - - Context.prototype.lookAhead = function (n) { - var line = this.doc.getLine(this.line + n); - if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; } - return line - }; - - Context.prototype.baseToken = function (n) { - if (!this.baseTokens) { return null } - while (this.baseTokens[this.baseTokenPos] <= n) - { this.baseTokenPos += 2; } - var type = this.baseTokens[this.baseTokenPos + 1]; - return {type: type && type.replace(/( |^)overlay .*/, ""), - size: this.baseTokens[this.baseTokenPos] - n} - }; - - Context.prototype.nextLine = function () { - this.line++; - if (this.maxLookAhead > 0) { this.maxLookAhead--; } - }; - - Context.fromSaved = function (doc, saved, line) { - if (saved instanceof SavedContext) - { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) } - else - { return new Context(doc, copyState(doc.mode, saved), line) } - }; - - Context.prototype.save = function (copy) { - var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state; - return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state - }; - - - // Compute a style array (an array starting with a mode generation - // -- for invalidation -- followed by pairs of end positions and - // style strings), which is used to highlight the tokens on the - // line. - function highlightLine(cm, line, context, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {}; - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); }, - lineClasses, forceToEnd); - var state = context.state; - - // Run overlays, adjust style array. - var loop = function ( o ) { - context.baseTokens = st; - var overlay = cm.state.overlays[o], i = 1, at = 0; - context.state = true; - runMode(cm, line.text, overlay.mode, context, function (end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - { st.splice(i, 1, end, st[i+1], i_end); } - i += 2; - at = Math.min(end, i_end); - } - if (!style) { return } - if (overlay.opaque) { - st.splice(start, i - start, end, "overlay " + style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = (cur ? cur + " " : "") + "overlay " + style; - } - } - }, lineClasses); - context.state = state; - context.baseTokens = null; - context.baseTokenPos = 1; - }; - - for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); - - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} - } - - function getLineStyles(cm, line, updateFrontier) { - if (!line.styles || line.styles[0] != cm.state.modeGen) { - var context = getContextBefore(cm, lineNo(line)); - var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state); - var result = highlightLine(cm, line, context); - if (resetState) { context.state = resetState; } - line.stateAfter = context.save(!resetState); - line.styles = result.styles; - if (result.classes) { line.styleClasses = result.classes; } - else if (line.styleClasses) { line.styleClasses = null; } - if (updateFrontier === cm.doc.highlightFrontier) - { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); } - } - return line.styles - } - - function getContextBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; - if (!doc.mode.startState) { return new Context(doc, true, n) } - var start = findStartLine(cm, n, precise); - var saved = start > doc.first && getLine(doc, start - 1).stateAfter; - var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start); - - doc.iter(start, n, function (line) { - processLine(cm, line.text, context); - var pos = context.line; - line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null; - context.nextLine(); - }); - if (precise) { doc.modeFrontier = context.line; } - return context - } - - // Lightweight form of highlight -- proceed over this line and - // update state, but don't save a style array. Used for lines that - // aren't currently visible. - function processLine(cm, text, context, startAt) { - var mode = cm.doc.mode; - var stream = new StringStream(text, cm.options.tabSize, context); - stream.start = stream.pos = startAt || 0; - if (text == "") { callBlankLine(mode, context.state); } - while (!stream.eol()) { - readToken(mode, stream, context.state); - stream.start = stream.pos; - } - } - - function callBlankLine(mode, state) { - if (mode.blankLine) { return mode.blankLine(state) } - if (!mode.innerMode) { return } - var inner = innerMode(mode, state); - if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } - } - - function readToken(mode, stream, state, inner) { - for (var i = 0; i < 10; i++) { - if (inner) { inner[0] = innerMode(mode, state).mode; } - var style = mode.token(stream, state); - if (stream.pos > stream.start) { return style } - } - throw new Error("Mode " + mode.name + " failed to advance stream.") - } - - var Token = function(stream, type, state) { - this.start = stream.start; this.end = stream.pos; - this.string = stream.current(); - this.type = type || null; - this.state = state; - }; - - // Utility for getTokenAt and getLineTokens - function takeToken(cm, pos, precise, asArray) { - var doc = cm.doc, mode = doc.mode, style; - pos = clipPos(doc, pos); - var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise); - var stream = new StringStream(line.text, cm.options.tabSize, context), tokens; - if (asArray) { tokens = []; } - while ((asArray || stream.pos < pos.ch) && !stream.eol()) { - stream.start = stream.pos; - style = readToken(mode, stream, context.state); - if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); } - } - return asArray ? tokens : new Token(stream, style, context.state) - } - - function extractLineClasses(type, output) { - if (type) { for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); - if (!lineClass) { break } - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (output[prop] == null) - { output[prop] = lineClass[2]; } - else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop])) - { output[prop] += " " + lineClass[2]; } - } } - return type - } - - // Run the given mode's parser over a line, calling f for each token. - function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) { - var flattenSpans = mode.flattenSpans; - if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; } - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize, context), style; - var inner = cm.options.addModeClass && [null]; - if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); } - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false; - if (forceToEnd) { processLine(cm, text, context, stream.pos); } - stream.pos = text.length; - style = null; - } else { - style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses); - } - if (inner) { - var mName = inner[0].name; - if (mName) { style = "m-" + (style ? mName + " " + style : mName); } - } - if (!flattenSpans || curStyle != style) { - while (curStart < stream.start) { - curStart = Math.min(stream.start, curStart + 5000); - f(curStart, curStyle); - } - curStyle = style; - } - stream.start = stream.pos; - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 - // characters, and returns inaccurate measurements in nodes - // starting around 5000 chars. - var pos = Math.min(stream.pos, curStart + 5000); - f(pos, curStyle); - curStart = pos; - } - } - - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); - for (var search = n; search > lim; --search) { - if (search <= doc.first) { return doc.first } - var line = getLine(doc, search - 1), after = line.stateAfter; - if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier)) - { return search } - var indented = countColumn(line.text, null, cm.options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline - } - - function retreatFrontier(doc, n) { - doc.modeFrontier = Math.min(doc.modeFrontier, n); - if (doc.highlightFrontier < n - 10) { return } - var start = doc.first; - for (var line = n - 1; line > start; line--) { - var saved = getLine(doc, line).stateAfter; - // change is on 3 - // state on line 1 looked ahead 2 -- so saw 3 - // test 1 + 2 < 3 should cover this - if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) { - start = line + 1; - break - } - } - doc.highlightFrontier = Math.min(doc.highlightFrontier, start); - } - - // Optimize some code when these features are not used. - var sawReadOnlySpans = false, sawCollapsedSpans = false; - - function seeReadOnlySpans() { - sawReadOnlySpans = true; - } - - function seeCollapsedSpans() { - sawCollapsedSpans = true; - } - - // TEXTMARKER SPANS - - function MarkedSpan(marker, from, to) { - this.marker = marker; - this.from = from; this.to = to; - } - - // Search an array of spans for a span matching the given marker. - function getMarkedSpanFor(spans, marker) { - if (spans) { for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) { return span } - } } - } - - // Remove a span from an array, returning undefined if no spans are - // left (we don't store arrays for lines without spans). - function removeMarkedSpan(spans, span) { - var r; - for (var i = 0; i < spans.length; ++i) - { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } } - return r - } - - // Add a span to a line. - function addMarkedSpan(line, span, op) { - var inThisOp = op && window.WeakSet && (op.markedSpans || (op.markedSpans = new WeakSet)); - if (inThisOp && line.markedSpans && inThisOp.has(line.markedSpans)) { - line.markedSpans.push(span); - } else { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; - if (inThisOp) { inThisOp.add(line.markedSpans); } - } - span.marker.attachLine(line); - } - - // Used for the algorithm that adjusts markers for a change in the - // document. These functions cut an array of spans at a given - // character position, returning an array of remaining chunks (or - // undefined if nothing remains). - function markedSpansBefore(old, startCh, isInsert) { - var nw; - if (old) { for (var i = 0; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) - ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); - } - } } - return nw - } - function markedSpansAfter(old, endCh, isInsert) { - var nw; - if (old) { for (var i = 0; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) - ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)); - } - } } - return nw - } - - // Given a change object, compute the new set of marker spans that - // cover the line in which the change took place. Removes spans - // entirely within the change, reconnects spans belonging to the - // same marker that appear on both sides of the change, and cuts off - // spans partially within the change. Returns an array of span - // arrays with one element for each line in (after) the change. - function stretchSpansOverChange(doc, change) { - if (change.full) { return null } - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; - if (!oldFirst && !oldLast) { return null } - - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert); - var last = markedSpansAfter(oldLast, endCh, isInsert); - - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) { span.to = startCh; } - else if (sameLine) { span.to = found.to == null ? null : found.to + offset; } - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i$1 = 0; i$1 < last.length; ++i$1) { - var span$1 = last[i$1]; - if (span$1.to != null) { span$1.to += offset; } - if (span$1.from == null) { - var found$1 = getMarkedSpanFor(first, span$1.marker); - if (!found$1) { - span$1.from = offset; - if (sameLine) { (first || (first = [])).push(span$1); } - } - } else { - span$1.from += offset; - if (sameLine) { (first || (first = [])).push(span$1); } - } - } - } - // Make sure we didn't create any zero-length spans - if (first) { first = clearEmptySpans(first); } - if (last && last != first) { last = clearEmptySpans(last); } - - var newMarkers = [first]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; - if (gap > 0 && first) - { for (var i$2 = 0; i$2 < first.length; ++i$2) - { if (first[i$2].to == null) - { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } } - for (var i$3 = 0; i$3 < gap; ++i$3) - { newMarkers.push(gapMarkers); } - newMarkers.push(last); - } - return newMarkers - } - - // Remove spans that are empty and don't have a clearWhenEmpty - // option of false. - function clearEmptySpans(spans) { - for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) - { spans.splice(i--, 1); } - } - if (!spans.length) { return null } - return spans - } - - // Used to 'clip' out readOnly ranges when making a change. - function removeReadOnlyRanges(doc, from, to) { - var markers = null; - doc.iter(from.line, to.line + 1, function (line) { - if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - { (markers || (markers = [])).push(mark); } - } } - }); - if (!markers) { return null } - var parts = [{from: from, to: to}]; - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0); - for (var j = 0; j < parts.length; ++j) { - var p = parts[j]; - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - { newParts.push({from: p.from, to: m.from}); } - if (dto > 0 || !mk.inclusiveRight && !dto) - { newParts.push({from: m.to, to: p.to}); } - parts.splice.apply(parts, newParts); - j += newParts.length - 3; - } - } - return parts - } - - // Connect or disconnect spans from a line. - function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) { return } - for (var i = 0; i < spans.length; ++i) - { spans[i].marker.detachLine(line); } - line.markedSpans = null; - } - function attachMarkedSpans(line, spans) { - if (!spans) { return } - for (var i = 0; i < spans.length; ++i) - { spans[i].marker.attachLine(line); } - line.markedSpans = spans; - } - - // Helpers used when computing which overlapping collapsed span - // counts as the larger one. - function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } - function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } - - // Returns a number indicating which of two overlapping collapsed - // spans is larger (and thus includes the other). Falls back to - // comparing ids when the spans cover exactly the same range. - function compareCollapsedMarkers(a, b) { - var lenDiff = a.lines.length - b.lines.length; - if (lenDiff != 0) { return lenDiff } - var aPos = a.find(), bPos = b.find(); - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); - if (fromCmp) { return -fromCmp } - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); - if (toCmp) { return toCmp } - return b.id - a.id - } - - // Find out whether a line ends or starts in a collapsed span. If - // so, return the marker for that span. - function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - { found = sp.marker; } - } } - return found - } - function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } - function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } - - function collapsedSpanAround(line, ch) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) { for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; } - } } - return found - } - - // Test whether there exists a collapsed span that partially - // overlaps (covers the start or end, but not both) of a new span. - // Such overlap is not allowed. - function conflictingCollapsedRange(doc, lineNo, from, to, marker) { - var line = getLine(doc, lineNo); - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) { for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (!sp.marker.collapsed) { continue } - var found = sp.marker.find(0); - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } - if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || - fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) - { return true } - } } - } - - // A visual line is a line as drawn on the screen. Folding, for - // example, can cause multiple logical lines to appear on the same - // visual line. This finds the start of the visual line that the - // given line is part of (usually that is the line itself). - function visualLine(line) { - var merged; - while (merged = collapsedSpanAtStart(line)) - { line = merged.find(-1, true).line; } - return line - } - - function visualLineEnd(line) { - var merged; - while (merged = collapsedSpanAtEnd(line)) - { line = merged.find(1, true).line; } - return line - } - - // Returns an array of logical lines that continue the visual line - // started by the argument, or undefined if there are no such lines. - function visualLineContinued(line) { - var merged, lines; - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line - ;(lines || (lines = [])).push(line); - } - return lines - } - - // Get the line number of the start of the visual line that the - // given line number is part of. - function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line); - if (line == vis) { return lineN } - return lineNo(vis) - } - - // Get the line number of the start of the next visual line after - // the given line. - function visualLineEndNo(doc, lineN) { - if (lineN > doc.lastLine()) { return lineN } - var line = getLine(doc, lineN), merged; - if (!lineIsHidden(doc, line)) { return lineN } - while (merged = collapsedSpanAtEnd(line)) - { line = merged.find(1, true).line; } - return lineNo(line) + 1 - } - - // Compute whether a line is hidden. Lines count as hidden when they - // are part of a visual line that starts with another line, or when - // they are entirely covered by collapsed, non-widget span. - function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) { continue } - if (sp.from == null) { return true } - if (sp.marker.widgetNode) { continue } - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - { return true } - } } - } - function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find(1, true); - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) - } - if (span.marker.inclusiveRight && span.to == line.text.length) - { return true } - for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) { return true } - } - } - - // Find the height above the given line. - function heightAtLine(lineObj) { - lineObj = visualLine(lineObj); - - var h = 0, chunk = lineObj.parent; - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i]; - if (line == lineObj) { break } - else { h += line.height; } - } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i$1 = 0; i$1 < p.children.length; ++i$1) { - var cur = p.children[i$1]; - if (cur == chunk) { break } - else { h += cur.height; } - } - } - return h - } - - // Compute the character length of a line, taking into account - // collapsed ranges (see markText) that might hide parts, and join - // other lines onto it. - function lineLength(line) { - if (line.height == 0) { return 0 } - var len = line.text.length, merged, cur = line; - while (merged = collapsedSpanAtStart(cur)) { - var found = merged.find(0, true); - cur = found.from.line; - len += found.from.ch - found.to.ch; - } - cur = line; - while (merged = collapsedSpanAtEnd(cur)) { - var found$1 = merged.find(0, true); - len -= cur.text.length - found$1.from.ch; - cur = found$1.to.line; - len += cur.text.length - found$1.to.ch; - } - return len - } - - // Find the longest line in the document. - function findMaxLine(cm) { - var d = cm.display, doc = cm.doc; - d.maxLine = getLine(doc, doc.first); - d.maxLineLength = lineLength(d.maxLine); - d.maxLineChanged = true; - doc.iter(function (line) { - var len = lineLength(line); - if (len > d.maxLineLength) { - d.maxLineLength = len; - d.maxLine = line; - } - }); - } - - // LINE DATA STRUCTURE - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - var Line = function(text, markedSpans, estimateHeight) { - this.text = text; - attachMarkedSpans(this, markedSpans); - this.height = estimateHeight ? estimateHeight(this) : 1; - }; - - Line.prototype.lineNo = function () { return lineNo(this) }; - eventMixin(Line); - - // Change the content (text, markers) of a line. Automatically - // invalidates cached information and tries to re-estimate the - // line's height. - function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text; - if (line.stateAfter) { line.stateAfter = null; } - if (line.styles) { line.styles = null; } - if (line.order != null) { line.order = null; } - detachMarkedSpans(line); - attachMarkedSpans(line, markedSpans); - var estHeight = estimateHeight ? estimateHeight(line) : 1; - if (estHeight != line.height) { updateLineHeight(line, estHeight); } - } - - // Detach a line from the document tree and its markers. - function cleanUpLine(line) { - line.parent = null; - detachMarkedSpans(line); - } - - // Convert a style as returned by a mode (either null, or a string - // containing one or more styles) to a CSS style. This is cached, - // and also looks for line-wide styles. - var styleToClassCache = {}, styleToClassCacheWithMode = {}; - function interpretTokenStyle(style, options) { - if (!style || /^\s*$/.test(style)) { return null } - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")) - } - - // Render the DOM representation of the text of a line. Also builds - // up a 'line map', which points at the DOM nodes that represent - // specific stretches of text, and is used by the measuring code. - // The returned object contains the DOM node, this map, and - // information about line-wide styles that were set by the mode. - function buildLineContent(cm, lineView) { - // The padding-right forces the element to have a 'border', which - // is needed on Webkit to be able to get line-level bounding - // rectangles for it (in measureChar). - var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - trailingSpace: false, - splitSpaces: cm.getOption("lineWrapping")}; - lineView.measure = {}; - - // Iterate over the logical lines that make up this visual line. - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0); - builder.pos = 0; - builder.addToken = buildToken; - // Optionally wire in some hacks into the token-rendering - // algorithm, to deal with browser quirks. - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction))) - { builder.addToken = buildTokenBadBidi(builder.addToken, order); } - builder.map = []; - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); - if (line.styleClasses) { - if (line.styleClasses.bgClass) - { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); } - if (line.styleClasses.textClass) - { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } - } - - // Ensure at least a single node is present, for measuring. - if (builder.map.length == 0) - { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); } - - // Store the map and a cache object for the current logical line - if (i == 0) { - lineView.measure.map = builder.map; - lineView.measure.cache = {}; - } else { - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) - ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}); - } - } - - // See issue #2901 - if (webkit) { - var last = builder.content.lastChild; - if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) - { builder.content.className = "cm-tab-wrap-hack"; } - } - - signal(cm, "renderLine", cm, lineView.line, builder.pre); - if (builder.pre.className) - { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); } - - return builder - } - - function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + ch.charCodeAt(0).toString(16); - token.setAttribute("aria-label", token.title); - return token - } - - // Build up the DOM representation for a single token, and add it to - // the line map. Takes care to render special characters separately. - function buildToken(builder, text, style, startStyle, endStyle, css, attributes) { - if (!text) { return } - var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text; - var special = builder.cm.state.specialChars, mustWrap = false; - var content; - if (!special.test(text)) { - builder.col += text.length; - content = document.createTextNode(displayText); - builder.map.push(builder.pos, builder.pos + text.length, content); - if (ie && ie_version < 9) { mustWrap = true; } - builder.pos += text.length; - } else { - content = document.createDocumentFragment(); - var pos = 0; - while (true) { - special.lastIndex = pos; - var m = special.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); - if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); } - else { content.appendChild(txt); } - builder.map.push(builder.pos, builder.pos + skipped, txt); - builder.col += skipped; - builder.pos += skipped; - } - if (!m) { break } - pos += skipped + 1; - var txt$1 = (void 0); - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - txt$1.setAttribute("role", "presentation"); - txt$1.setAttribute("cm-text", "\t"); - builder.col += tabWidth; - } else if (m[0] == "\r" || m[0] == "\n") { - txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); - txt$1.setAttribute("cm-text", m[0]); - builder.col += 1; - } else { - txt$1 = builder.cm.options.specialCharPlaceholder(m[0]); - txt$1.setAttribute("cm-text", m[0]); - if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); } - else { content.appendChild(txt$1); } - builder.col += 1; - } - builder.map.push(builder.pos, builder.pos + 1, txt$1); - builder.pos++; - } - } - builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32; - if (style || startStyle || endStyle || mustWrap || css || attributes) { - var fullStyle = style || ""; - if (startStyle) { fullStyle += startStyle; } - if (endStyle) { fullStyle += endStyle; } - var token = elt("span", [content], fullStyle, css); - if (attributes) { - for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class") - { token.setAttribute(attr, attributes[attr]); } } - } - return builder.content.appendChild(token) - } - builder.content.appendChild(content); - } - - // Change some spaces to NBSP to prevent the browser from collapsing - // trailing spaces at the end of a line when rendering text (issue #1362). - function splitSpaces(text, trailingBefore) { - if (text.length > 1 && !/ /.test(text)) { return text } - var spaceBefore = trailingBefore, result = ""; - for (var i = 0; i < text.length; i++) { - var ch = text.charAt(i); - if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) - { ch = "\u00a0"; } - result += ch; - spaceBefore = ch == " "; - } - return result - } - - // Work around nonsense dimensions being reported for stretches of - // right-to-left text. - function buildTokenBadBidi(inner, order) { - return function (builder, text, style, startStyle, endStyle, css, attributes) { - style = style ? style + " cm-force-border" : "cm-force-border"; - var start = builder.pos, end = start + text.length; - for (;;) { - // Find the part that overlaps with the start of this text - var part = (void 0); - for (var i = 0; i < order.length; i++) { - part = order[i]; - if (part.to > start && part.from <= start) { break } - } - if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) } - inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes); - startStyle = null; - text = text.slice(part.to - start); - start = part.to; - } - } - } - - function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.widgetNode; - if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); } - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { - if (!widget) - { widget = builder.content.appendChild(document.createElement("span")); } - widget.setAttribute("cm-marker", marker.id); - } - if (widget) { - builder.cm.display.input.setUneditable(widget); - builder.content.appendChild(widget); - } - builder.pos += size; - builder.trailingSpace = false; - } - - // Outputs a number of spans to make up a line, taking highlighting - // and marked text into account. - function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; - if (!spans) { - for (var i$1 = 1; i$1 < styles.length; i$1+=2) - { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); } - return - } - - var len = allText.length, pos = 0, i = 1, text = "", style, css; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes; - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = css = ""; - attributes = null; - collapsed = null; nextChange = Infinity; - var foundBookmarks = [], endStyles = (void 0); - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { - foundBookmarks.push(m); - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { - if (sp.to != null && sp.to != pos && nextChange > sp.to) { - nextChange = sp.to; - spanEndStyle = ""; - } - if (m.className) { spanStyle += " " + m.className; } - if (m.css) { css = (css ? css + ";" : "") + m.css; } - if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; } - if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); } - // support for the old title property - // https://github.com/codemirror/CodeMirror/pull/5673 - if (m.title) { (attributes || (attributes = {})).title = m.title; } - if (m.attributes) { - for (var attr in m.attributes) - { (attributes || (attributes = {}))[attr] = m.attributes[attr]; } - } - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) - { collapsed = sp; } - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from; - } - } - if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) - { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } } - - if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) - { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } } - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); - if (collapsed.to == null) { return } - if (collapsed.to == pos) { collapsed = false; } - } - } - if (pos >= len) { break } - - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes); - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} - pos = end; - spanStartStyle = ""; - } - text = allText.slice(at, at = styles[i++]); - style = interpretTokenStyle(styles[i++], builder.cm.options); - } - } - } - - - // These objects are used to represent the visible (currently drawn) - // part of the document. A LineView may correspond to multiple - // logical lines, if those are connected by collapsed ranges. - function LineView(doc, line, lineN) { - // The starting line - this.line = line; - // Continuing lines, if any - this.rest = visualLineContinued(line); - // Number of logical lines in this visual line - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; - this.node = this.text = null; - this.hidden = lineIsHidden(doc, line); - } - - // Create a range of LineView objects for the given lines. - function buildViewArray(cm, from, to) { - var array = [], nextPos; - for (var pos = from; pos < to; pos = nextPos) { - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); - nextPos = pos + view.size; - array.push(view); - } - return array - } - - var operationGroup = null; - - function pushOperation(op) { - if (operationGroup) { - operationGroup.ops.push(op); - } else { - op.ownsGroup = operationGroup = { - ops: [op], - delayedCallbacks: [] - }; - } - } - - function fireCallbacksForOps(group) { - // Calls delayed callbacks and cursorActivity handlers until no - // new ones appear - var callbacks = group.delayedCallbacks, i = 0; - do { - for (; i < callbacks.length; i++) - { callbacks[i].call(null); } - for (var j = 0; j < group.ops.length; j++) { - var op = group.ops[j]; - if (op.cursorActivityHandlers) - { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } - } - } while (i < callbacks.length) - } - - function finishOperation(op, endCb) { - var group = op.ownsGroup; - if (!group) { return } - - try { fireCallbacksForOps(group); } - finally { - operationGroup = null; - endCb(group); - } - } - - var orphanDelayedCallbacks = null; - - // Often, we want to signal events at a point where we are in the - // middle of some work, but don't want the handler to start calling - // other methods on the editor, which might be in an inconsistent - // state or simply not expect any other events to happen. - // signalLater looks whether there are any handlers, and schedules - // them to be executed when the last operation ends, or, if no - // operation is active, when a timeout fires. - function signalLater(emitter, type /*, values...*/) { - var arr = getHandlers(emitter, type); - if (!arr.length) { return } - var args = Array.prototype.slice.call(arguments, 2), list; - if (operationGroup) { - list = operationGroup.delayedCallbacks; - } else if (orphanDelayedCallbacks) { - list = orphanDelayedCallbacks; - } else { - list = orphanDelayedCallbacks = []; - setTimeout(fireOrphanDelayed, 0); - } - var loop = function ( i ) { - list.push(function () { return arr[i].apply(null, args); }); - }; - - for (var i = 0; i < arr.length; ++i) - loop( i ); - } - - function fireOrphanDelayed() { - var delayed = orphanDelayedCallbacks; - orphanDelayedCallbacks = null; - for (var i = 0; i < delayed.length; ++i) { delayed[i](); } - } - - // When an aspect of a line changes, a string is added to - // lineView.changes. This updates the relevant part of the line's - // DOM structure. - function updateLineForChanges(cm, lineView, lineN, dims) { - for (var j = 0; j < lineView.changes.length; j++) { - var type = lineView.changes[j]; - if (type == "text") { updateLineText(cm, lineView); } - else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); } - else if (type == "class") { updateLineClasses(cm, lineView); } - else if (type == "widget") { updateLineWidgets(cm, lineView, dims); } - } - lineView.changes = null; - } - - // Lines with gutter elements, widgets or a background class need to - // be wrapped, and have the extra elements added to the wrapper div - function ensureLineWrapped(lineView) { - if (lineView.node == lineView.text) { - lineView.node = elt("div", null, null, "position: relative"); - if (lineView.text.parentNode) - { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); } - lineView.node.appendChild(lineView.text); - if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; } - } - return lineView.node - } - - function updateLineBackground(cm, lineView) { - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; - if (cls) { cls += " CodeMirror-linebackground"; } - if (lineView.background) { - if (cls) { lineView.background.className = cls; } - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } - } else if (cls) { - var wrap = ensureLineWrapped(lineView); - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); - cm.display.input.setUneditable(lineView.background); - } - } - - // Wrapper around buildLineContent which will reuse the structure - // in display.externalMeasured when possible. - function getLineContent(cm, lineView) { - var ext = cm.display.externalMeasured; - if (ext && ext.line == lineView.line) { - cm.display.externalMeasured = null; - lineView.measure = ext.measure; - return ext.built - } - return buildLineContent(cm, lineView) - } - - // Redraw the line's text. Interacts with the background and text - // classes because the mode may output tokens that influence these - // classes. - function updateLineText(cm, lineView) { - var cls = lineView.text.className; - var built = getLineContent(cm, lineView); - if (lineView.text == lineView.node) { lineView.node = built.pre; } - lineView.text.parentNode.replaceChild(built.pre, lineView.text); - lineView.text = built.pre; - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { - lineView.bgClass = built.bgClass; - lineView.textClass = built.textClass; - updateLineClasses(cm, lineView); - } else if (cls) { - lineView.text.className = cls; - } - } - - function updateLineClasses(cm, lineView) { - updateLineBackground(cm, lineView); - if (lineView.line.wrapClass) - { ensureLineWrapped(lineView).className = lineView.line.wrapClass; } - else if (lineView.node != lineView.text) - { lineView.node.className = ""; } - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; - lineView.text.className = textClass || ""; - } - - function updateLineGutter(cm, lineView, lineN, dims) { - if (lineView.gutter) { - lineView.node.removeChild(lineView.gutter); - lineView.gutter = null; - } - if (lineView.gutterBackground) { - lineView.node.removeChild(lineView.gutterBackground); - lineView.gutterBackground = null; - } - if (lineView.line.gutterClass) { - var wrap = ensureLineWrapped(lineView); - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")); - cm.display.input.setUneditable(lineView.gutterBackground); - wrap.insertBefore(lineView.gutterBackground, lineView.text); - } - var markers = lineView.line.gutterMarkers; - if (cm.options.lineNumbers || markers) { - var wrap$1 = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); - gutterWrap.setAttribute("aria-hidden", "true"); - cm.display.input.setUneditable(gutterWrap); - wrap$1.insertBefore(gutterWrap, lineView.text); - if (lineView.line.gutterClass) - { gutterWrap.className += " " + lineView.line.gutterClass; } - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - { lineView.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineN), - "CodeMirror-linenumber CodeMirror-gutter-elt", - ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); } - if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) { - var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id]; - if (found) - { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", - ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); } - } } - } - } - - function updateLineWidgets(cm, lineView, dims) { - if (lineView.alignable) { lineView.alignable = null; } - var isWidget = classTest("CodeMirror-linewidget"); - for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { - next = node.nextSibling; - if (isWidget.test(node.className)) { lineView.node.removeChild(node); } - } - insertLineWidgets(cm, lineView, dims); - } - - // Build a line's DOM representation from scratch - function buildLineElement(cm, lineView, lineN, dims) { - var built = getLineContent(cm, lineView); - lineView.text = lineView.node = built.pre; - if (built.bgClass) { lineView.bgClass = built.bgClass; } - if (built.textClass) { lineView.textClass = built.textClass; } - - updateLineClasses(cm, lineView); - updateLineGutter(cm, lineView, lineN, dims); - insertLineWidgets(cm, lineView, dims); - return lineView.node - } - - // A lineView may contain multiple logical lines (when merged by - // collapsed spans). The widgets for all of them need to be drawn. - function insertLineWidgets(cm, lineView, dims) { - insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); - if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) - { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } } - } - - function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { - if (!line.widgets) { return } - var wrap = ensureLineWrapped(lineView); - for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget" + (widget.className ? " " + widget.className : "")); - if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); } - positionLineWidget(widget, node, lineView, dims); - cm.display.input.setUneditable(node); - if (allowAbove && widget.above) - { wrap.insertBefore(node, lineView.gutter || lineView.text); } - else - { wrap.appendChild(node); } - signalLater(widget, "redraw"); - } - } - - function positionLineWidget(widget, node, lineView, dims) { - if (widget.noHScroll) { - (lineView.alignable || (lineView.alignable = [])).push(node); - var width = dims.wrapperWidth; - node.style.left = dims.fixedPos + "px"; - if (!widget.coverGutter) { - width -= dims.gutterTotalWidth; - node.style.paddingLeft = dims.gutterTotalWidth + "px"; - } - node.style.width = width + "px"; - } - if (widget.coverGutter) { - node.style.zIndex = 5; - node.style.position = "relative"; - if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; } - } - } - - function widgetHeight(widget) { - if (widget.height != null) { return widget.height } - var cm = widget.doc.cm; - if (!cm) { return 0 } - if (!contains(document.body, widget.node)) { - var parentStyle = "position: relative;"; - if (widget.coverGutter) - { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; } - if (widget.noHScroll) - { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; } - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); - } - return widget.height = widget.node.parentNode.offsetHeight - } - - // Return true when the given mouse event happened in a widget - function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) - { return true } - } - } - - // POSITION MEASUREMENT - - function paddingTop(display) {return display.lineSpace.offsetTop} - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} - function paddingH(display) { - if (display.cachedPaddingH) { return display.cachedPaddingH } - var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like")); - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; - if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; } - return data - } - - function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } - function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth - } - function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight - } - - // Ensure the lineView.wrapping.heights array is populated. This is - // an array of bottom offsets for the lines that make up a drawn - // line. When lineWrapping is on, there might be more than one - // height. - function ensureLineHeights(cm, lineView, rect) { - var wrapping = cm.options.lineWrapping; - var curWidth = wrapping && displayWidth(cm); - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { - var heights = lineView.measure.heights = []; - if (wrapping) { - lineView.measure.width = curWidth; - var rects = lineView.text.firstChild.getClientRects(); - for (var i = 0; i < rects.length - 1; i++) { - var cur = rects[i], next = rects[i + 1]; - if (Math.abs(cur.bottom - next.bottom) > 2) - { heights.push((cur.bottom + next.top) / 2 - rect.top); } - } - } - heights.push(rect.bottom - rect.top); - } - } - - // Find a line map (mapping character offsets to text nodes) and a - // measurement cache for the given line number. (A line view might - // contain multiple lines when collapsed ranges are present.) - function mapFromLineView(lineView, line, lineN) { - if (lineView.line == line) - { return {map: lineView.measure.map, cache: lineView.measure.cache} } - if (lineView.rest) { - for (var i = 0; i < lineView.rest.length; i++) - { if (lineView.rest[i] == line) - { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } - for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) - { if (lineNo(lineView.rest[i$1]) > lineN) - { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } - } - } - - // Render a line into the hidden node display.externalMeasured. Used - // when measurement is needed for a line that's not in the viewport. - function updateExternalMeasurement(cm, line) { - line = visualLine(line); - var lineN = lineNo(line); - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); - view.lineN = lineN; - var built = view.built = buildLineContent(cm, view); - view.text = built.pre; - removeChildrenAndAdd(cm.display.lineMeasure, built.pre); - return view - } - - // Get a {top, bottom, left, right} box (in line-local coordinates) - // for a given character. - function measureChar(cm, line, ch, bias) { - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) - } - - // Find a line view that corresponds to the given line number. - function findViewForLine(cm, lineN) { - if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) - { return cm.display.view[findViewIndex(cm, lineN)] } - var ext = cm.display.externalMeasured; - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - { return ext } - } - - // Measurement can be split in two steps, the set-up work that - // applies to the whole line, and the measurement of the actual - // character. Functions like coordsChar, that need to do a lot of - // measurements in a row, can thus ensure that the set-up work is - // only done once. - function prepareMeasureForLine(cm, line) { - var lineN = lineNo(line); - var view = findViewForLine(cm, lineN); - if (view && !view.text) { - view = null; - } else if (view && view.changes) { - updateLineForChanges(cm, view, lineN, getDimensions(cm)); - cm.curOp.forceUpdate = true; - } - if (!view) - { view = updateExternalMeasurement(cm, line); } - - var info = mapFromLineView(view, line, lineN); - return { - line: line, view: view, rect: null, - map: info.map, cache: info.cache, before: info.before, - hasHeights: false - } - } - - // Given a prepared measurement object, measures the position of an - // actual character (or fetches it from the cache). - function measureCharPrepared(cm, prepared, ch, bias, varHeight) { - if (prepared.before) { ch = -1; } - var key = ch + (bias || ""), found; - if (prepared.cache.hasOwnProperty(key)) { - found = prepared.cache[key]; - } else { - if (!prepared.rect) - { prepared.rect = prepared.view.text.getBoundingClientRect(); } - if (!prepared.hasHeights) { - ensureLineHeights(cm, prepared.view, prepared.rect); - prepared.hasHeights = true; - } - found = measureCharInner(cm, prepared, ch, bias); - if (!found.bogus) { prepared.cache[key] = found; } - } - return {left: found.left, right: found.right, - top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom} - } - - var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; - - function nodeAndOffsetInLineMap(map, ch, bias) { - var node, start, end, collapse, mStart, mEnd; - // First, search the line map for the text node corresponding to, - // or closest to, the target character. - for (var i = 0; i < map.length; i += 3) { - mStart = map[i]; - mEnd = map[i + 1]; - if (ch < mStart) { - start = 0; end = 1; - collapse = "left"; - } else if (ch < mEnd) { - start = ch - mStart; - end = start + 1; - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { - end = mEnd - mStart; - start = end - 1; - if (ch >= mEnd) { collapse = "right"; } - } - if (start != null) { - node = map[i + 2]; - if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) - { collapse = bias; } - if (bias == "left" && start == 0) - { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { - node = map[(i -= 3) + 2]; - collapse = "left"; - } } - if (bias == "right" && start == mEnd - mStart) - { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { - node = map[(i += 3) + 2]; - collapse = "right"; - } } - break - } - } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} - } - - function getUsefulRect(rects, bias) { - var rect = nullRect; - if (bias == "left") { for (var i = 0; i < rects.length; i++) { - if ((rect = rects[i]).left != rect.right) { break } - } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { - if ((rect = rects[i$1]).left != rect.right) { break } - } } - return rect - } - - function measureCharInner(cm, prepared, ch, bias) { - var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); - var node = place.node, start = place.start, end = place.end, collapse = place.collapse; - - var rect; - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; } - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; } - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) - { rect = node.parentNode.getBoundingClientRect(); } - else - { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); } - if (rect.left || rect.right || start == 0) { break } - end = start; - start = start - 1; - collapse = "right"; - } - if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); } - } else { // If it is a widget, simply get the box for the whole widget. - if (start > 0) { collapse = bias = "right"; } - var rects; - if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) - { rect = rects[bias == "right" ? rects.length - 1 : 0]; } - else - { rect = node.getBoundingClientRect(); } - } - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { - var rSpan = node.parentNode.getClientRects()[0]; - if (rSpan) - { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; } - else - { rect = nullRect; } - } - - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; - var mid = (rtop + rbot) / 2; - var heights = prepared.view.measure.heights; - var i = 0; - for (; i < heights.length - 1; i++) - { if (mid < heights[i]) { break } } - var top = i ? heights[i - 1] : 0, bot = heights[i]; - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, - top: top, bottom: bot}; - if (!rect.left && !rect.right) { result.bogus = true; } - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } - - return result - } - - // Work around problem with bounding client rects on ranges being - // returned incorrectly when zoomed on IE10 and below. - function maybeUpdateRectForZooming(measure, rect) { - if (!window.screen || screen.logicalXDPI == null || - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) - { return rect } - var scaleX = screen.logicalXDPI / screen.deviceXDPI; - var scaleY = screen.logicalYDPI / screen.deviceYDPI; - return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY} - } - - function clearLineMeasurementCacheFor(lineView) { - if (lineView.measure) { - lineView.measure.cache = {}; - lineView.measure.heights = null; - if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) - { lineView.measure.caches[i] = {}; } } - } - } - - function clearLineMeasurementCache(cm) { - cm.display.externalMeasure = null; - removeChildren(cm.display.lineMeasure); - for (var i = 0; i < cm.display.view.length; i++) - { clearLineMeasurementCacheFor(cm.display.view[i]); } - } - - function clearCaches(cm) { - clearLineMeasurementCache(cm); - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; - if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; } - cm.display.lineNumChars = null; - } - - function pageScrollX(doc) { - // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206 - // which causes page_Offset and bounding client rects to use - // different reference viewports and invalidate our calculations. - if (chrome && android) { return -(doc.body.getBoundingClientRect().left - parseInt(getComputedStyle(doc.body).marginLeft)) } - return doc.defaultView.pageXOffset || (doc.documentElement || doc.body).scrollLeft - } - function pageScrollY(doc) { - if (chrome && android) { return -(doc.body.getBoundingClientRect().top - parseInt(getComputedStyle(doc.body).marginTop)) } - return doc.defaultView.pageYOffset || (doc.documentElement || doc.body).scrollTop - } - - function widgetTopHeight(lineObj) { - var ref = visualLine(lineObj); - var widgets = ref.widgets; - var height = 0; - if (widgets) { for (var i = 0; i < widgets.length; ++i) { if (widgets[i].above) - { height += widgetHeight(widgets[i]); } } } - return height - } - - // Converts a {top, bottom, left, right} box from line-local - // coordinates into another coordinate system. Context may be one of - // "line", "div" (display.lineDiv), "local"./null (editor), "window", - // or "page". - function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { - if (!includeWidgets) { - var height = widgetTopHeight(lineObj); - rect.top += height; rect.bottom += height; - } - if (context == "line") { return rect } - if (!context) { context = "local"; } - var yOff = heightAtLine(lineObj); - if (context == "local") { yOff += paddingTop(cm.display); } - else { yOff -= cm.display.viewOffset; } - if (context == "page" || context == "window") { - var lOff = cm.display.lineSpace.getBoundingClientRect(); - yOff += lOff.top + (context == "window" ? 0 : pageScrollY(doc(cm))); - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX(doc(cm))); - rect.left += xOff; rect.right += xOff; - } - rect.top += yOff; rect.bottom += yOff; - return rect - } - - // Coverts a box from "div" coords to another coordinate system. - // Context may be "window", "page", "div", or "local"./null. - function fromCoordSystem(cm, coords, context) { - if (context == "div") { return coords } - var left = coords.left, top = coords.top; - // First move into "page" coordinate system - if (context == "page") { - left -= pageScrollX(doc(cm)); - top -= pageScrollY(doc(cm)); - } else if (context == "local" || !context) { - var localBox = cm.display.sizer.getBoundingClientRect(); - left += localBox.left; - top += localBox.top; - } - - var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} - } - - function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) { lineObj = getLine(cm.doc, pos.line); } - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) - } - - // Returns a box for a given cursor position, which may have an - // 'other' property containing the position of the secondary cursor - // on a bidi boundary. - // A cursor Pos(line, char, "before") is on the same visual line as `char - 1` - // and after `char - 1` in writing order of `char - 1` - // A cursor Pos(line, char, "after") is on the same visual line as `char` - // and before `char` in writing order of `char` - // Examples (upper-case letters are RTL, lower-case are LTR): - // Pos(0, 1, ...) - // before after - // ab a|b a|b - // aB a|B aB| - // Ab |Ab A|b - // AB B|A B|A - // Every position after the last character on a line is considered to stick - // to the last character on the line. - function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { - lineObj = lineObj || getLine(cm.doc, pos.line); - if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } - function get(ch, right) { - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); - if (right) { m.left = m.right; } else { m.right = m.left; } - return intoCoordSystem(cm, lineObj, m, context) - } - var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky; - if (ch >= lineObj.text.length) { - ch = lineObj.text.length; - sticky = "before"; - } else if (ch <= 0) { - ch = 0; - sticky = "after"; - } - if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") } - - function getBidi(ch, partPos, invert) { - var part = order[partPos], right = part.level == 1; - return get(invert ? ch - 1 : ch, right != invert) - } - var partPos = getBidiPartAt(order, ch, sticky); - var other = bidiOther; - var val = getBidi(ch, partPos, sticky == "before"); - if (other != null) { val.other = getBidi(ch, other, sticky != "before"); } - return val - } - - // Used to cheaply estimate the coordinates for a position. Used for - // intermediate scroll updates. - function estimateCoords(cm, pos) { - var left = 0; - pos = clipPos(cm.doc, pos); - if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; } - var lineObj = getLine(cm.doc, pos.line); - var top = heightAtLine(lineObj) + paddingTop(cm.display); - return {left: left, right: left, top: top, bottom: top + lineObj.height} - } - - // Positions returned by coordsChar contain some extra information. - // xRel is the relative x position of the input coordinates compared - // to the found position (so xRel > 0 means the coordinates are to - // the right of the character position, for example). When outside - // is true, that means the coordinates lie outside the line's - // vertical range. - function PosWithInfo(line, ch, sticky, outside, xRel) { - var pos = Pos(line, ch, sticky); - pos.xRel = xRel; - if (outside) { pos.outside = outside; } - return pos - } - - // Compute the character position closest to the given coordinates. - // Input must be lineSpace-local ("div" coordinate system). - function coordsChar(cm, x, y) { - var doc = cm.doc; - y += cm.display.viewOffset; - if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) } - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; - if (lineN > last) - { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) } - if (x < 0) { x = 0; } - - var lineObj = getLine(doc, lineN); - for (;;) { - var found = coordsCharInner(cm, lineObj, lineN, x, y); - var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0)); - if (!collapsed) { return found } - var rangeEnd = collapsed.find(1); - if (rangeEnd.line == lineN) { return rangeEnd } - lineObj = getLine(doc, lineN = rangeEnd.line); - } - } - - function wrappedLineExtent(cm, lineObj, preparedMeasure, y) { - y -= widgetTopHeight(lineObj); - var end = lineObj.text.length; - var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0); - end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end); - return {begin: begin, end: end} - } - - function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) { - if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } - var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top; - return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop) - } - - // Returns true if the given side of a box is after the given - // coordinates, in top-to-bottom, left-to-right order. - function boxIsAfter(box, x, y, left) { - return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x - } - - function coordsCharInner(cm, lineObj, lineNo, x, y) { - // Move y into line-local coordinate space - y -= heightAtLine(lineObj); - var preparedMeasure = prepareMeasureForLine(cm, lineObj); - // When directly calling `measureCharPrepared`, we have to adjust - // for the widgets at this line. - var widgetHeight = widgetTopHeight(lineObj); - var begin = 0, end = lineObj.text.length, ltr = true; - - var order = getOrder(lineObj, cm.doc.direction); - // If the line isn't plain left-to-right text, first figure out - // which bidi section the coordinates fall into. - if (order) { - var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart) - (cm, lineObj, lineNo, preparedMeasure, order, x, y); - ltr = part.level != 1; - // The awkward -1 offsets are needed because findFirst (called - // on these below) will treat its first bound as inclusive, - // second as exclusive, but we want to actually address the - // characters in the part's range - begin = ltr ? part.from : part.to - 1; - end = ltr ? part.to : part.from - 1; - } - - // A binary search to find the first character whose bounding box - // starts after the coordinates. If we run across any whose box wrap - // the coordinates, store that. - var chAround = null, boxAround = null; - var ch = findFirst(function (ch) { - var box = measureCharPrepared(cm, preparedMeasure, ch); - box.top += widgetHeight; box.bottom += widgetHeight; - if (!boxIsAfter(box, x, y, false)) { return false } - if (box.top <= y && box.left <= x) { - chAround = ch; - boxAround = box; - } - return true - }, begin, end); - - var baseX, sticky, outside = false; - // If a box around the coordinates was found, use that - if (boxAround) { - // Distinguish coordinates nearer to the left or right side of the box - var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr; - ch = chAround + (atStart ? 0 : 1); - sticky = atStart ? "after" : "before"; - baseX = atLeft ? boxAround.left : boxAround.right; - } else { - // (Adjust for extended bound, if necessary.) - if (!ltr && (ch == end || ch == begin)) { ch++; } - // To determine which side to associate with, get the box to the - // left of the character and compare it's vertical position to the - // coordinates - sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : - (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ? - "after" : "before"; - // Now get accurate coordinates for this place, in order to get a - // base X position - var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), "line", lineObj, preparedMeasure); - baseX = coords.left; - outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0; - } - - ch = skipExtendingChars(lineObj.text, ch, 1); - return PosWithInfo(lineNo, ch, sticky, outside, x - baseX) - } - - function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) { - // Bidi parts are sorted left-to-right, and in a non-line-wrapping - // situation, we can take this ordering to correspond to the visual - // ordering. This finds the first part whose end is after the given - // coordinates. - var index = findFirst(function (i) { - var part = order[i], ltr = part.level != 1; - return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? "before" : "after"), - "line", lineObj, preparedMeasure), x, y, true) - }, 0, order.length - 1); - var part = order[index]; - // If this isn't the first part, the part's start is also after - // the coordinates, and the coordinates aren't on the same line as - // that start, move one part back. - if (index > 0) { - var ltr = part.level != 1; - var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? "after" : "before"), - "line", lineObj, preparedMeasure); - if (boxIsAfter(start, x, y, true) && start.top > y) - { part = order[index - 1]; } - } - return part - } - - function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) { - // In a wrapped line, rtl text on wrapping boundaries can do things - // that don't correspond to the ordering in our `order` array at - // all, so a binary search doesn't work, and we want to return a - // part that only spans one line so that the binary search in - // coordsCharInner is safe. As such, we first find the extent of the - // wrapped line, and then do a flat search in which we discard any - // spans that aren't on the line. - var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y); - var begin = ref.begin; - var end = ref.end; - if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; } - var part = null, closestDist = null; - for (var i = 0; i < order.length; i++) { - var p = order[i]; - if (p.from >= end || p.to <= begin) { continue } - var ltr = p.level != 1; - var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right; - // Weigh against spans ending before this, so that they are only - // picked if nothing ends after - var dist = endX < x ? x - endX + 1e9 : endX - x; - if (!part || closestDist > dist) { - part = p; - closestDist = dist; - } - } - if (!part) { part = order[order.length - 1]; } - // Clip the part to the wrapped line. - if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; } - if (part.to > end) { part = {from: part.from, to: end, level: part.level}; } - return part - } - - var measureText; - // Compute the default text height. - function textHeight(display) { - if (display.cachedTextHeight != null) { return display.cachedTextHeight } - if (measureText == null) { - measureText = elt("pre", null, "CodeMirror-line-like"); - // Measure a bunch of lines, for browsers that compute - // fractional heights. - for (var i = 0; i < 49; ++i) { - measureText.appendChild(document.createTextNode("x")); - measureText.appendChild(elt("br")); - } - measureText.appendChild(document.createTextNode("x")); - } - removeChildrenAndAdd(display.measure, measureText); - var height = measureText.offsetHeight / 50; - if (height > 3) { display.cachedTextHeight = height; } - removeChildren(display.measure); - return height || 1 - } - - // Compute the default character width. - function charWidth(display) { - if (display.cachedCharWidth != null) { return display.cachedCharWidth } - var anchor = elt("span", "xxxxxxxxxx"); - var pre = elt("pre", [anchor], "CodeMirror-line-like"); - removeChildrenAndAdd(display.measure, pre); - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; - if (width > 2) { display.cachedCharWidth = width; } - return width || 10 - } - - // Do a bulk-read of the DOM positions and sizes needed to draw the - // view, so that we don't interleave reading and writing to the DOM. - function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; - var gutterLeft = d.gutters.clientLeft; - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - var id = cm.display.gutterSpecs[i].className; - left[id] = n.offsetLeft + n.clientLeft + gutterLeft; - width[id] = n.clientWidth; - } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth} - } - - // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, - // but using getBoundingClientRect to get a sub-pixel-accurate - // result. - function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left - } - - // Returns a function that estimates the height of a line, to use as - // first approximation until the line becomes visible (and is thus - // properly measurable). - function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function (line) { - if (lineIsHidden(cm.doc, line)) { return 0 } - - var widgetsHeight = 0; - if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; } - } } - - if (wrapping) - { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } - else - { return widgetsHeight + th } - } - } - - function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function (line) { - var estHeight = est(line); - if (estHeight != line.height) { updateLineHeight(line, estHeight); } - }); - } - - // Given a mouse event, find the corresponding position. If liberal - // is false, it checks whether a gutter or scrollbar was clicked, - // and returns null if it was. forRect is used by rectangular - // selections, and tries to estimate a character position even for - // coordinates beyond the right of the text. - function posFromMouse(cm, e, liberal, forRect) { - var display = cm.display; - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } - - var x, y, space = display.lineSpace.getBoundingClientRect(); - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top; } - catch (e$1) { return null } - var coords = coordsChar(cm, x, y), line; - if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); - } - return coords - } - - // Find the view element corresponding to a given line. Return null - // when the line isn't visible. - function findViewIndex(cm, n) { - if (n >= cm.display.viewTo) { return null } - n -= cm.display.viewFrom; - if (n < 0) { return null } - var view = cm.display.view; - for (var i = 0; i < view.length; i++) { - n -= view[i].size; - if (n < 0) { return i } - } - } - - // Updates the display.view data structure for a given change to the - // document. From and to are in pre-change coordinates. Lendiff is - // the amount of lines added or subtracted by the change. This is - // used for changes that span multiple lines, or change the way - // lines are divided into visual lines. regLineChange (below) - // registers single-line changes. - function regChange(cm, from, to, lendiff) { - if (from == null) { from = cm.doc.first; } - if (to == null) { to = cm.doc.first + cm.doc.size; } - if (!lendiff) { lendiff = 0; } - - var display = cm.display; - if (lendiff && to < display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers > from)) - { display.updateLineNumbers = from; } - - cm.curOp.viewChanged = true; - - if (from >= display.viewTo) { // Change after - if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) - { resetView(cm); } - } else if (to <= display.viewFrom) { // Change before - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { - resetView(cm); - } else { - display.viewFrom += lendiff; - display.viewTo += lendiff; - } - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap - resetView(cm); - } else if (from <= display.viewFrom) { // Top overlap - var cut = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cut) { - display.view = display.view.slice(cut.index); - display.viewFrom = cut.lineN; - display.viewTo += lendiff; - } else { - resetView(cm); - } - } else if (to >= display.viewTo) { // Bottom overlap - var cut$1 = viewCuttingPoint(cm, from, from, -1); - if (cut$1) { - display.view = display.view.slice(0, cut$1.index); - display.viewTo = cut$1.lineN; - } else { - resetView(cm); - } - } else { // Gap in the middle - var cutTop = viewCuttingPoint(cm, from, from, -1); - var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cutTop && cutBot) { - display.view = display.view.slice(0, cutTop.index) - .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) - .concat(display.view.slice(cutBot.index)); - display.viewTo += lendiff; - } else { - resetView(cm); - } - } - - var ext = display.externalMeasured; - if (ext) { - if (to < ext.lineN) - { ext.lineN += lendiff; } - else if (from < ext.lineN + ext.size) - { display.externalMeasured = null; } - } - } - - // Register a change to a single line. Type must be one of "text", - // "gutter", "class", "widget" - function regLineChange(cm, line, type) { - cm.curOp.viewChanged = true; - var display = cm.display, ext = cm.display.externalMeasured; - if (ext && line >= ext.lineN && line < ext.lineN + ext.size) - { display.externalMeasured = null; } - - if (line < display.viewFrom || line >= display.viewTo) { return } - var lineView = display.view[findViewIndex(cm, line)]; - if (lineView.node == null) { return } - var arr = lineView.changes || (lineView.changes = []); - if (indexOf(arr, type) == -1) { arr.push(type); } - } - - // Clear the view. - function resetView(cm) { - cm.display.viewFrom = cm.display.viewTo = cm.doc.first; - cm.display.view = []; - cm.display.viewOffset = 0; - } - - function viewCuttingPoint(cm, oldN, newN, dir) { - var index = findViewIndex(cm, oldN), diff, view = cm.display.view; - if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - { return {index: index, lineN: newN} } - var n = cm.display.viewFrom; - for (var i = 0; i < index; i++) - { n += view[i].size; } - if (n != oldN) { - if (dir > 0) { - if (index == view.length - 1) { return null } - diff = (n + view[index].size) - oldN; - index++; - } else { - diff = n - oldN; - } - oldN += diff; newN += diff; - } - while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) { return null } - newN += dir * view[index - (dir < 0 ? 1 : 0)].size; - index += dir; - } - return {index: index, lineN: newN} - } - - // Force the view to cover a given range, adding empty view element - // or clipping off existing ones as needed. - function adjustView(cm, from, to) { - var display = cm.display, view = display.view; - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { - display.view = buildViewArray(cm, from, to); - display.viewFrom = from; - } else { - if (display.viewFrom > from) - { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); } - else if (display.viewFrom < from) - { display.view = display.view.slice(findViewIndex(cm, from)); } - display.viewFrom = from; - if (display.viewTo < to) - { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); } - else if (display.viewTo > to) - { display.view = display.view.slice(0, findViewIndex(cm, to)); } - } - display.viewTo = to; - } - - // Count the number of lines in the view whose DOM representation is - // out of date (or nonexistent). - function countDirtyView(cm) { - var view = cm.display.view, dirty = 0; - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; } - } - return dirty - } - - function updateSelection(cm) { - cm.display.input.showSelection(cm.display.input.prepareSelection()); - } - - function prepareSelection(cm, primary) { - if ( primary === void 0 ) primary = true; - - var doc = cm.doc, result = {}; - var curFragment = result.cursors = document.createDocumentFragment(); - var selFragment = result.selection = document.createDocumentFragment(); - - var customCursor = cm.options.$customCursor; - if (customCursor) { primary = true; } - for (var i = 0; i < doc.sel.ranges.length; i++) { - if (!primary && i == doc.sel.primIndex) { continue } - var range = doc.sel.ranges[i]; - if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue } - var collapsed = range.empty(); - if (customCursor) { - var head = customCursor(cm, range); - if (head) { drawSelectionCursor(cm, head, curFragment); } - } else if (collapsed || cm.options.showCursorWhenSelecting) { - drawSelectionCursor(cm, range.head, curFragment); - } - if (!collapsed) - { drawSelectionRange(cm, range, selFragment); } - } - return result - } - - // Draws a cursor for the given range - function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); - - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); - cursor.style.left = pos.left + "px"; - cursor.style.top = pos.top + "px"; - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; - - if (/\bcm-fat-cursor\b/.test(cm.getWrapperElement().className)) { - var charPos = charCoords(cm, head, "div", null, null); - var width = charPos.right - charPos.left; - cursor.style.width = (width > 0 ? width : cm.defaultCharWidth()) + "px"; - } - - if (pos.other) { - // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); - otherCursor.style.display = ""; - otherCursor.style.left = pos.other.left + "px"; - otherCursor.style.top = pos.other.top + "px"; - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; - } - } - - function cmpCoords(a, b) { return a.top - b.top || a.left - b.left } - - // Draws the given range as a highlighted selection - function drawSelectionRange(cm, range, output) { - var display = cm.display, doc = cm.doc; - var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left; - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; - var docLTR = doc.direction == "ltr"; - - function add(left, top, width, bottom) { - if (top < 0) { top = 0; } - top = Math.round(top); - bottom = Math.round(bottom); - fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))); - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line); - var lineLen = lineObj.text.length; - var start, end; - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias) - } - - function wrapX(pos, dir, side) { - var extent = wrappedLineExtentChar(cm, lineObj, null, pos); - var prop = (dir == "ltr") == (side == "after") ? "left" : "right"; - var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1); - return coords(ch, prop)[prop] - } - - var order = getOrder(lineObj, doc.direction); - iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) { - var ltr = dir == "ltr"; - var fromPos = coords(from, ltr ? "left" : "right"); - var toPos = coords(to - 1, ltr ? "right" : "left"); - - var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen; - var first = i == 0, last = !order || i == order.length - 1; - if (toPos.top - fromPos.top <= 3) { // Single line - var openLeft = (docLTR ? openStart : openEnd) && first; - var openRight = (docLTR ? openEnd : openStart) && last; - var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left; - var right = openRight ? rightSide : (ltr ? toPos : fromPos).right; - add(left, fromPos.top, right - left, fromPos.bottom); - } else { // Multiple lines - var topLeft, topRight, botLeft, botRight; - if (ltr) { - topLeft = docLTR && openStart && first ? leftSide : fromPos.left; - topRight = docLTR ? rightSide : wrapX(from, dir, "before"); - botLeft = docLTR ? leftSide : wrapX(to, dir, "after"); - botRight = docLTR && openEnd && last ? rightSide : toPos.right; - } else { - topLeft = !docLTR ? leftSide : wrapX(from, dir, "before"); - topRight = !docLTR && openStart && first ? rightSide : fromPos.right; - botLeft = !docLTR && openEnd && last ? leftSide : toPos.left; - botRight = !docLTR ? rightSide : wrapX(to, dir, "after"); - } - add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom); - if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); } - add(botLeft, toPos.top, botRight - botLeft, toPos.bottom); - } - - if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; } - if (cmpCoords(toPos, start) < 0) { start = toPos; } - if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; } - if (cmpCoords(toPos, end) < 0) { end = toPos; } - }); - return {start: start, end: end} - } - - var sFrom = range.from(), sTo = range.to(); - if (sFrom.line == sTo.line) { - drawForLine(sFrom.line, sFrom.ch, sTo.ch); - } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); - var singleVLine = visualLine(fromLine) == visualLine(toLine); - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); - } - } - if (leftEnd.bottom < rightStart.top) - { add(leftSide, leftEnd.bottom, null, rightStart.top); } - } - - output.appendChild(fragment); - } - - // Cursor-blinking - function restartBlink(cm) { - if (!cm.state.focused) { return } - var display = cm.display; - clearInterval(display.blinker); - var on = true; - display.cursorDiv.style.visibility = ""; - if (cm.options.cursorBlinkRate > 0) - { display.blinker = setInterval(function () { - if (!cm.hasFocus()) { onBlur(cm); } - display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; - }, cm.options.cursorBlinkRate); } - else if (cm.options.cursorBlinkRate < 0) - { display.cursorDiv.style.visibility = "hidden"; } - } - - function ensureFocus(cm) { - if (!cm.hasFocus()) { - cm.display.input.focus(); - if (!cm.state.focused) { onFocus(cm); } - } - } - - function delayBlurEvent(cm) { - cm.state.delayingBlurEvent = true; - setTimeout(function () { if (cm.state.delayingBlurEvent) { - cm.state.delayingBlurEvent = false; - if (cm.state.focused) { onBlur(cm); } - } }, 100); - } - - function onFocus(cm, e) { - if (cm.state.delayingBlurEvent && !cm.state.draggingText) { cm.state.delayingBlurEvent = false; } - - if (cm.options.readOnly == "nocursor") { return } - if (!cm.state.focused) { - signal(cm, "focus", cm, e); - cm.state.focused = true; - addClass(cm.display.wrapper, "CodeMirror-focused"); - // This test prevents this from firing when a context - // menu is closed (since the input reset would kill the - // select-all detection hack) - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - cm.display.input.reset(); - if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730 - } - cm.display.input.receivedFocus(); - } - restartBlink(cm); - } - function onBlur(cm, e) { - if (cm.state.delayingBlurEvent) { return } - - if (cm.state.focused) { - signal(cm, "blur", cm, e); - cm.state.focused = false; - rmClass(cm.display.wrapper, "CodeMirror-focused"); - } - clearInterval(cm.display.blinker); - setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150); - } - - // Read the actual heights of the rendered lines, and update their - // stored heights to match. - function updateHeightsInViewport(cm) { - var display = cm.display; - var prevBottom = display.lineDiv.offsetTop; - var viewTop = Math.max(0, display.scroller.getBoundingClientRect().top); - var oldHeight = display.lineDiv.getBoundingClientRect().top; - var mustScroll = 0; - for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], wrapping = cm.options.lineWrapping; - var height = (void 0), width = 0; - if (cur.hidden) { continue } - oldHeight += cur.line.height; - if (ie && ie_version < 8) { - var bot = cur.node.offsetTop + cur.node.offsetHeight; - height = bot - prevBottom; - prevBottom = bot; - } else { - var box = cur.node.getBoundingClientRect(); - height = box.bottom - box.top; - // Check that lines don't extend past the right of the current - // editor width - if (!wrapping && cur.text.firstChild) - { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; } - } - var diff = cur.line.height - height; - if (diff > .005 || diff < -.005) { - if (oldHeight < viewTop) { mustScroll -= diff; } - updateLineHeight(cur.line, height); - updateWidgetHeight(cur.line); - if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) - { updateWidgetHeight(cur.rest[j]); } } - } - if (width > cm.display.sizerWidth) { - var chWidth = Math.ceil(width / charWidth(cm.display)); - if (chWidth > cm.display.maxLineLength) { - cm.display.maxLineLength = chWidth; - cm.display.maxLine = cur.line; - cm.display.maxLineChanged = true; - } - } - } - if (Math.abs(mustScroll) > 2) { display.scroller.scrollTop += mustScroll; } - } - - // Read and store the height of line widgets associated with the - // given line. - function updateWidgetHeight(line) { - if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) { - var w = line.widgets[i], parent = w.node.parentNode; - if (parent) { w.height = parent.offsetHeight; } - } } - } - - // Compute the lines that are visible in a given viewport (defaults - // the the current scroll position). viewport may contain top, - // height, and ensure (see op.scrollToPos) properties. - function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; - top = Math.floor(top - paddingTop(display)); - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; - - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and - // forces those lines into the viewport (if possible). - if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; - if (ensureFrom < from) { - from = ensureFrom; - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); - } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); - to = ensureTo; - } - } - return {from: from, to: Math.max(to, from + 1)} - } - - // SCROLLING THINGS INTO VIEW - - // If an editor sits on the top or bottom of the window, partially - // scrolled out of view, this ensures that the cursor is visible. - function maybeScrollWindow(cm, rect) { - if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } - - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; - var doc = display.wrapper.ownerDocument; - if (rect.top + box.top < 0) { doScroll = true; } - else if (rect.bottom + box.top > (doc.defaultView.innerHeight || doc.documentElement.clientHeight)) { doScroll = false; } - if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;")); - cm.display.lineSpace.appendChild(scrollNode); - scrollNode.scrollIntoView(doScroll); - cm.display.lineSpace.removeChild(scrollNode); - } - } - - // Scroll a given position into view (immediately), verifying that - // it actually became visible (as line heights are accurately - // measured, the position of something may 'drift' during drawing). - function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) { margin = 0; } - var rect; - if (!cm.options.lineWrapping && pos == end) { - // Set pos and end to the cursor positions around the character pos sticks to - // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch - // If pos == Pos(_, 0, "before"), pos and end are unchanged - end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos; - pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos; - } - for (var limit = 0; limit < 5; limit++) { - var changed = false; - var coords = cursorCoords(cm, pos); - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - rect = {left: Math.min(coords.left, endCoords.left), - top: Math.min(coords.top, endCoords.top) - margin, - right: Math.max(coords.left, endCoords.left), - bottom: Math.max(coords.bottom, endCoords.bottom) + margin}; - var scrollPos = calculateScrollPos(cm, rect); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; - if (scrollPos.scrollTop != null) { - updateScrollTop(cm, scrollPos.scrollTop); - if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; } - } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft); - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; } - } - if (!changed) { break } - } - return rect - } - - // Scroll a given set of coordinates into view (immediately). - function scrollIntoView(cm, rect) { - var scrollPos = calculateScrollPos(cm, rect); - if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); } - if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); } - } - - // Calculate a new scroll position needed to scroll the given - // rectangle into view. Returns an object with scrollTop and - // scrollLeft properties. When these are undefined, the - // vertical/horizontal position does not need to be adjusted. - function calculateScrollPos(cm, rect) { - var display = cm.display, snapMargin = textHeight(cm.display); - if (rect.top < 0) { rect.top = 0; } - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = displayHeight(cm), result = {}; - if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; } - var docBottom = cm.doc.height + paddingVert(display); - var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin; - if (rect.top < screentop) { - result.scrollTop = atTop ? 0 : rect.top; - } else if (rect.bottom > screentop + screen) { - var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen); - if (newTop != screentop) { result.scrollTop = newTop; } - } - - var gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth; - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace; - var screenw = displayWidth(cm) - display.gutters.offsetWidth; - var tooWide = rect.right - rect.left > screenw; - if (tooWide) { rect.right = rect.left + screenw; } - if (rect.left < 10) - { result.scrollLeft = 0; } - else if (rect.left < screenleft) - { result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10)); } - else if (rect.right > screenw + screenleft - 3) - { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; } - return result - } - - // Store a relative adjustment to the scroll position in the current - // operation (to be applied when the operation finishes). - function addToScrollTop(cm, top) { - if (top == null) { return } - resolveScrollToPos(cm); - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; - } - - // Make sure that at the end of the operation the current cursor is - // shown. - function ensureCursorVisible(cm) { - resolveScrollToPos(cm); - var cur = cm.getCursor(); - cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}; - } - - function scrollToCoords(cm, x, y) { - if (x != null || y != null) { resolveScrollToPos(cm); } - if (x != null) { cm.curOp.scrollLeft = x; } - if (y != null) { cm.curOp.scrollTop = y; } - } - - function scrollToRange(cm, range) { - resolveScrollToPos(cm); - cm.curOp.scrollToPos = range; - } - - // When an operation has its scrollToPos property set, and another - // scroll action is applied before the end of the operation, this - // 'simulates' scrolling that position into view in a cheap way, so - // that the effect of intermediate scroll commands is not ignored. - function resolveScrollToPos(cm) { - var range = cm.curOp.scrollToPos; - if (range) { - cm.curOp.scrollToPos = null; - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); - scrollToCoordsRange(cm, from, to, range.margin); - } - } - - function scrollToCoordsRange(cm, from, to, margin) { - var sPos = calculateScrollPos(cm, { - left: Math.min(from.left, to.left), - top: Math.min(from.top, to.top) - margin, - right: Math.max(from.right, to.right), - bottom: Math.max(from.bottom, to.bottom) + margin - }); - scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop); - } - - // Sync the scrollable area and scrollbars, ensure the viewport - // covers the visible area. - function updateScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) { return } - if (!gecko) { updateDisplaySimple(cm, {top: val}); } - setScrollTop(cm, val, true); - if (gecko) { updateDisplaySimple(cm); } - startWorker(cm, 100); - } - - function setScrollTop(cm, val, forceScroll) { - val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val)); - if (cm.display.scroller.scrollTop == val && !forceScroll) { return } - cm.doc.scrollTop = val; - cm.display.scrollbars.setScrollTop(val); - if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; } - } - - // Sync scroller and scrollbar, ensure the gutter elements are - // aligned. - function setScrollLeft(cm, val, isScroller, forceScroll) { - val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth)); - if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return } - cm.doc.scrollLeft = val; - alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; } - cm.display.scrollbars.setScrollLeft(val); - } - - // SCROLLBARS - - // Prepare DOM reads needed to update the scrollbars. Done in one - // shot to minimize update/measure roundtrips. - function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth; - var docH = Math.round(cm.doc.height + paddingVert(cm.display)); - return { - clientHeight: d.scroller.clientHeight, - viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, - viewWidth: d.wrapper.clientWidth, - barLeft: cm.options.fixedGutter ? gutterW : 0, - docHeight: docH, - scrollHeight: docH + scrollGap(cm) + d.barHeight, - nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW - } - } - - var NativeScrollbars = function(place, scroll, cm) { - this.cm = cm; - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - vert.tabIndex = horiz.tabIndex = -1; - place(vert); place(horiz); - - on(vert, "scroll", function () { - if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); } - }); - on(horiz, "scroll", function () { - if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); } - }); - - this.checkedZeroWidth = false; - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } - }; - - NativeScrollbars.prototype.update = function (measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1; - var needsV = measure.scrollHeight > measure.clientHeight + 1; - var sWidth = measure.nativeBarWidth; - - if (needsV) { - this.vert.style.display = "block"; - this.vert.style.bottom = needsH ? sWidth + "px" : "0"; - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; - } else { - this.vert.scrollTop = 0; - this.vert.style.display = ""; - this.vert.firstChild.style.height = "0"; - } - - if (needsH) { - this.horiz.style.display = "block"; - this.horiz.style.right = needsV ? sWidth + "px" : "0"; - this.horiz.style.left = measure.barLeft + "px"; - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); - this.horiz.firstChild.style.width = - Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; - } else { - this.horiz.style.display = ""; - this.horiz.firstChild.style.width = "0"; - } - - if (!this.checkedZeroWidth && measure.clientHeight > 0) { - if (sWidth == 0) { this.zeroWidthHack(); } - this.checkedZeroWidth = true; - } - - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} - }; - - NativeScrollbars.prototype.setScrollLeft = function (pos) { - if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; } - if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); } - }; - - NativeScrollbars.prototype.setScrollTop = function (pos) { - if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; } - if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); } - }; - - NativeScrollbars.prototype.zeroWidthHack = function () { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - this.horiz.style.height = this.vert.style.width = w; - this.horiz.style.visibility = this.vert.style.visibility = "hidden"; - this.disableHoriz = new Delayed; - this.disableVert = new Delayed; - }; - - NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) { - bar.style.visibility = ""; - function maybeDisable() { - // To find out whether the scrollbar is still visible, we - // check whether the element under the pixel in the bottom - // right corner of the scrollbar box is the scrollbar box - // itself (when the bar is still visible) or its filler child - // (when the bar is hidden). If it is still visible, we keep - // it enabled, if it's hidden, we disable pointer events. - var box = bar.getBoundingClientRect(); - var elt = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) - : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1); - if (elt != bar) { bar.style.visibility = "hidden"; } - else { delay.set(1000, maybeDisable); } - } - delay.set(1000, maybeDisable); - }; - - NativeScrollbars.prototype.clear = function () { - var parent = this.horiz.parentNode; - parent.removeChild(this.horiz); - parent.removeChild(this.vert); - }; - - var NullScrollbars = function () {}; - - NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; - NullScrollbars.prototype.setScrollLeft = function () {}; - NullScrollbars.prototype.setScrollTop = function () {}; - NullScrollbars.prototype.clear = function () {}; - - function updateScrollbars(cm, measure) { - if (!measure) { measure = measureForScrollbars(cm); } - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; - updateScrollbarsInner(cm, measure); - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { - if (startWidth != cm.display.barWidth && cm.options.lineWrapping) - { updateHeightsInViewport(cm); } - updateScrollbarsInner(cm, measureForScrollbars(cm)); - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; - } - } - - // Re-synchronize the fake scrollbars with the actual size of the - // content. - function updateScrollbarsInner(cm, measure) { - var d = cm.display; - var sizes = d.scrollbars.update(measure); - - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"; - - if (sizes.right && sizes.bottom) { - d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = sizes.bottom + "px"; - d.scrollbarFiller.style.width = sizes.right + "px"; - } else { d.scrollbarFiller.style.display = ""; } - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = sizes.bottom + "px"; - d.gutterFiller.style.width = measure.gutterWidth + "px"; - } else { d.gutterFiller.style.display = ""; } - } - - var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; - - function initScrollbars(cm) { - if (cm.display.scrollbars) { - cm.display.scrollbars.clear(); - if (cm.display.scrollbars.addClass) - { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } - } - - cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function () { - if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); } - }); - node.setAttribute("cm-not-content", "true"); - }, function (pos, axis) { - if (axis == "horizontal") { setScrollLeft(cm, pos); } - else { updateScrollTop(cm, pos); } - }, cm); - if (cm.display.scrollbars.addClass) - { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } - } - - // Operations are used to wrap a series of changes to the editor - // state in such a way that each change won't have to update the - // cursor and display (which would be awkward, slow, and - // error-prone). Instead, display updates are batched and then all - // combined and executed at once. - - var nextOpId = 0; - // Start a new operation. - function startOperation(cm) { - cm.curOp = { - cm: cm, - viewChanged: false, // Flag that indicates that lines might need to be redrawn - startHeight: cm.doc.height, // Used to detect need to update scrollbar - forceUpdate: false, // Used to force a redraw - updateInput: 0, // Whether to reset the input textarea - typing: false, // Whether this reset should be careful to leave existing text (for compositing) - changeObjs: null, // Accumulated changes, for firing change events - cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on - cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already - selectionChanged: false, // Whether the selection needs to be redrawn - updateMaxLine: false, // Set when the widest line needs to be determined anew - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet - scrollToPos: null, // Used to scroll to a specific position - focus: false, - id: ++nextOpId, // Unique ID - markArrays: null // Used by addMarkedSpan - }; - pushOperation(cm.curOp); - } - - // Finish an operation, updating the display and signalling delayed events - function endOperation(cm) { - var op = cm.curOp; - if (op) { finishOperation(op, function (group) { - for (var i = 0; i < group.ops.length; i++) - { group.ops[i].cm.curOp = null; } - endOperations(group); - }); } - } - - // The DOM updates done when an operation finishes are batched so - // that the minimum number of relayouts are required. - function endOperations(group) { - var ops = group.ops; - for (var i = 0; i < ops.length; i++) // Read DOM - { endOperation_R1(ops[i]); } - for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) - { endOperation_W1(ops[i$1]); } - for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM - { endOperation_R2(ops[i$2]); } - for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) - { endOperation_W2(ops[i$3]); } - for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM - { endOperation_finish(ops[i$4]); } - } - - function endOperation_R1(op) { - var cm = op.cm, display = cm.display; - maybeClipScrollbars(cm); - if (op.updateMaxLine) { findMaxLine(cm); } - - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || - op.scrollToPos.to.line >= display.viewTo) || - display.maxLineChanged && cm.options.lineWrapping; - op.update = op.mustUpdate && - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); - } - - function endOperation_W1(op) { - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); - } - - function endOperation_R2(op) { - var cm = op.cm, display = cm.display; - if (op.updatedDisplay) { updateHeightsInViewport(cm); } - - op.barMeasure = measureForScrollbars(cm); - - // If the max line changed since it was last measured, measure it, - // and ensure the document's width matches it. - // updateDisplay_W2 will use these properties to do the actual resizing - if (display.maxLineChanged && !cm.options.lineWrapping) { - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; - cm.display.sizerWidth = op.adjustWidthTo; - op.barMeasure.scrollWidth = - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); - } - - if (op.updatedDisplay || op.selectionChanged) - { op.preparedSelection = display.input.prepareSelection(); } - } - - function endOperation_W2(op) { - var cm = op.cm; - - if (op.adjustWidthTo != null) { - cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; - if (op.maxScrollLeft < cm.doc.scrollLeft) - { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); } - cm.display.maxLineChanged = false; - } - - var takeFocus = op.focus && op.focus == activeElt(root(cm)); - if (op.preparedSelection) - { cm.display.input.showSelection(op.preparedSelection, takeFocus); } - if (op.updatedDisplay || op.startHeight != cm.doc.height) - { updateScrollbars(cm, op.barMeasure); } - if (op.updatedDisplay) - { setDocumentHeight(cm, op.barMeasure); } - - if (op.selectionChanged) { restartBlink(cm); } - - if (cm.state.focused && op.updateInput) - { cm.display.input.reset(op.typing); } - if (takeFocus) { ensureFocus(op.cm); } - } - - function endOperation_finish(op) { - var cm = op.cm, display = cm.display, doc = cm.doc; - - if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); } - - // Abort mouse wheel delta measurement, when scrolling explicitly - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) - { display.wheelStartX = display.wheelStartY = null; } - - // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); } - - if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); } - // If we need to scroll a specific position into view, do so. - if (op.scrollToPos) { - var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); - maybeScrollWindow(cm, rect); - } - - // Fire events for markers that are hidden/unidden by editing or - // undoing - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) { for (var i = 0; i < hidden.length; ++i) - { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } } - if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) - { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } } - - if (display.wrapper.offsetHeight) - { doc.scrollTop = cm.display.scroller.scrollTop; } - - // Fire change events, and delayed event handlers - if (op.changeObjs) - { signal(cm, "changes", cm, op.changeObjs); } - if (op.update) - { op.update.finish(); } - } - - // Run the given function in an operation - function runInOp(cm, f) { - if (cm.curOp) { return f() } - startOperation(cm); - try { return f() } - finally { endOperation(cm); } - } - // Wraps a function in an operation. Returns the wrapped function. - function operation(cm, f) { - return function() { - if (cm.curOp) { return f.apply(cm, arguments) } - startOperation(cm); - try { return f.apply(cm, arguments) } - finally { endOperation(cm); } - } - } - // Used to add methods to editor and doc instances, wrapping them in - // operations. - function methodOp(f) { - return function() { - if (this.curOp) { return f.apply(this, arguments) } - startOperation(this); - try { return f.apply(this, arguments) } - finally { endOperation(this); } - } - } - function docMethodOp(f) { - return function() { - var cm = this.cm; - if (!cm || cm.curOp) { return f.apply(this, arguments) } - startOperation(cm); - try { return f.apply(this, arguments) } - finally { endOperation(cm); } - } - } - - // HIGHLIGHT WORKER - - function startWorker(cm, time) { - if (cm.doc.highlightFrontier < cm.display.viewTo) - { cm.state.highlight.set(time, bind(highlightWorker, cm)); } - } - - function highlightWorker(cm) { - var doc = cm.doc; - if (doc.highlightFrontier >= cm.display.viewTo) { return } - var end = +new Date + cm.options.workTime; - var context = getContextBefore(cm, doc.highlightFrontier); - var changedLines = []; - - doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { - if (context.line >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles; - var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null; - var highlighted = highlightLine(cm, line, context, true); - if (resetState) { context.state = resetState; } - line.styles = highlighted.styles; - var oldCls = line.styleClasses, newCls = highlighted.classes; - if (newCls) { line.styleClasses = newCls; } - else if (oldCls) { line.styleClasses = null; } - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); - for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; } - if (ischange) { changedLines.push(context.line); } - line.stateAfter = context.save(); - context.nextLine(); - } else { - if (line.text.length <= cm.options.maxHighlightLength) - { processLine(cm, line.text, context); } - line.stateAfter = context.line % 5 == 0 ? context.save() : null; - context.nextLine(); - } - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true - } - }); - doc.highlightFrontier = context.line; - doc.modeFrontier = Math.max(doc.modeFrontier, context.line); - if (changedLines.length) { runInOp(cm, function () { - for (var i = 0; i < changedLines.length; i++) - { regLineChange(cm, changedLines[i], "text"); } - }); } - } - - // DISPLAY DRAWING - - var DisplayUpdate = function(cm, viewport, force) { - var display = cm.display; - - this.viewport = viewport; - // Store some values that we'll need later (but don't want to force a relayout for) - this.visible = visibleLines(display, cm.doc, viewport); - this.editorIsHidden = !display.wrapper.offsetWidth; - this.wrapperHeight = display.wrapper.clientHeight; - this.wrapperWidth = display.wrapper.clientWidth; - this.oldDisplayWidth = displayWidth(cm); - this.force = force; - this.dims = getDimensions(cm); - this.events = []; - }; - - DisplayUpdate.prototype.signal = function (emitter, type) { - if (hasHandler(emitter, type)) - { this.events.push(arguments); } - }; - DisplayUpdate.prototype.finish = function () { - for (var i = 0; i < this.events.length; i++) - { signal.apply(null, this.events[i]); } - }; - - function maybeClipScrollbars(cm) { - var display = cm.display; - if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; - display.heightForcer.style.height = scrollGap(cm) + "px"; - display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; - display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; - display.scrollbarsClipped = true; - } - } - - function selectionSnapshot(cm) { - if (cm.hasFocus()) { return null } - var active = activeElt(root(cm)); - if (!active || !contains(cm.display.lineDiv, active)) { return null } - var result = {activeElt: active}; - if (window.getSelection) { - var sel = win(cm).getSelection(); - if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) { - result.anchorNode = sel.anchorNode; - result.anchorOffset = sel.anchorOffset; - result.focusNode = sel.focusNode; - result.focusOffset = sel.focusOffset; - } - } - return result - } - - function restoreSelection(snapshot) { - if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt(rootNode(snapshot.activeElt))) { return } - snapshot.activeElt.focus(); - if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) && - snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) { - var doc = snapshot.activeElt.ownerDocument; - var sel = doc.defaultView.getSelection(), range = doc.createRange(); - range.setEnd(snapshot.anchorNode, snapshot.anchorOffset); - range.collapse(false); - sel.removeAllRanges(); - sel.addRange(range); - sel.extend(snapshot.focusNode, snapshot.focusOffset); - } - } - - // Does the actual updating of the line display. Bails out - // (returning false) when there is nothing to be done and forced is - // false. - function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc; - - if (update.editorIsHidden) { - resetView(cm); - return false - } - - // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) - { return false } - - if (maybeUpdateLineNumberWidth(cm)) { - resetView(cm); - update.dims = getDimensions(cm); - } - - // Compute a suitable new viewport (from & to) - var end = doc.first + doc.size; - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); - var to = Math.min(end, update.visible.to + cm.options.viewportMargin); - if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); } - if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); } - if (sawCollapsedSpans) { - from = visualLineNo(cm.doc, from); - to = visualLineEndNo(cm.doc, to); - } - - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; - adjustView(cm, from, to); - - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); - // Position the mover div to align with the current scroll position - cm.display.mover.style.top = display.viewOffset + "px"; - - var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) - { return false } - - // For big changes, we hide the enclosing element during the - // update, since that speeds up the operations on most browsers. - var selSnapshot = selectionSnapshot(cm); - if (toUpdate > 4) { display.lineDiv.style.display = "none"; } - patchDisplay(cm, display.updateLineNumbers, update.dims); - if (toUpdate > 4) { display.lineDiv.style.display = ""; } - display.renderedView = display.view; - // There might have been a widget with a focused element that got - // hidden or updated, if so re-focus it. - restoreSelection(selSnapshot); - - // Prevent selection and cursors from interfering with the scroll - // width and height. - removeChildren(display.cursorDiv); - removeChildren(display.selectionDiv); - display.gutters.style.height = display.sizer.style.minHeight = 0; - - if (different) { - display.lastWrapHeight = update.wrapperHeight; - display.lastWrapWidth = update.wrapperWidth; - startWorker(cm, 400); - } - - display.updateLineNumbers = null; - - return true - } - - function postUpdateDisplay(cm, update) { - var viewport = update.viewport; - - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { - // Clip forced viewport to actual scrollable area. - if (viewport && viewport.top != null) - { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; } - // Updated line heights might result in the drawn area not - // actually covering the viewport. Keep looping until it does. - update.visible = visibleLines(cm.display, cm.doc, viewport); - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) - { break } - } else if (first) { - update.visible = visibleLines(cm.display, cm.doc, viewport); - } - if (!updateDisplayIfNeeded(cm, update)) { break } - updateHeightsInViewport(cm); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - update.force = false; - } - - update.signal(cm, "update", cm); - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; - } - } - - function updateDisplaySimple(cm, viewport) { - var update = new DisplayUpdate(cm, viewport); - if (updateDisplayIfNeeded(cm, update)) { - updateHeightsInViewport(cm); - postUpdateDisplay(cm, update); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - update.finish(); - } - } - - // Sync the actual display DOM structure with display.view, removing - // nodes for lines that are no longer in view, and creating the ones - // that are not there yet, and updating the ones that are out of - // date. - function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers; - var container = display.lineDiv, cur = container.firstChild; - - function rm(node) { - var next = node.nextSibling; - // Works around a throw-scroll bug in OS X Webkit - if (webkit && mac && cm.display.currentWheelTarget == node) - { node.style.display = "none"; } - else - { node.parentNode.removeChild(node); } - return next - } - - var view = display.view, lineN = display.viewFrom; - // Loop over the elements in the view, syncing cur (the DOM nodes - // in display.lineDiv) with the view as we go. - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet - var node = buildLineElement(cm, lineView, lineN, dims); - container.insertBefore(node, cur); - } else { // Already drawn - while (cur != lineView.node) { cur = rm(cur); } - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber; - if (lineView.changes) { - if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; } - updateLineForChanges(cm, lineView, lineN, dims); - } - if (updateNumber) { - removeChildren(lineView.lineNumber); - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); - } - cur = lineView.node.nextSibling; - } - lineN += lineView.size; - } - while (cur) { cur = rm(cur); } - } - - function updateGutterSpace(display) { - var width = display.gutters.offsetWidth; - display.sizer.style.marginLeft = width + "px"; - // Send an event to consumers responding to changes in gutter width. - signalLater(display, "gutterChanged", display); - } - - function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = measure.docHeight + "px"; - cm.display.heightForcer.style.top = measure.docHeight + "px"; - cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; - } - - // Re-align line numbers and gutter marks to compensate for - // horizontal scrolling. - function alignHorizontally(cm) { - var display = cm.display, view = display.view; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, left = comp + "px"; - for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { - if (cm.options.fixedGutter) { - if (view[i].gutter) - { view[i].gutter.style.left = left; } - if (view[i].gutterBackground) - { view[i].gutterBackground.style.left = left; } - } - var align = view[i].alignable; - if (align) { for (var j = 0; j < align.length; j++) - { align[j].style.left = left; } } - } } - if (cm.options.fixedGutter) - { display.gutters.style.left = (comp + gutterW) + "px"; } - } - - // Used to ensure that the line number gutter is still the right - // size for the current document size. Returns true when an update - // is needed. - function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) { return false } - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; - display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; - display.lineNumWidth = display.lineNumInnerWidth + padding; - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; - display.lineGutter.style.width = display.lineNumWidth + "px"; - updateGutterSpace(cm.display); - return true - } - return false - } - - function getGutters(gutters, lineNumbers) { - var result = [], sawLineNumbers = false; - for (var i = 0; i < gutters.length; i++) { - var name = gutters[i], style = null; - if (typeof name != "string") { style = name.style; name = name.className; } - if (name == "CodeMirror-linenumbers") { - if (!lineNumbers) { continue } - else { sawLineNumbers = true; } - } - result.push({className: name, style: style}); - } - if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); } - return result - } - - // Rebuild the gutter elements, ensure the margin to the left of the - // code matches their width. - function renderGutters(display) { - var gutters = display.gutters, specs = display.gutterSpecs; - removeChildren(gutters); - display.lineGutter = null; - for (var i = 0; i < specs.length; ++i) { - var ref = specs[i]; - var className = ref.className; - var style = ref.style; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className)); - if (style) { gElt.style.cssText = style; } - if (className == "CodeMirror-linenumbers") { - display.lineGutter = gElt; - gElt.style.width = (display.lineNumWidth || 1) + "px"; - } - } - gutters.style.display = specs.length ? "" : "none"; - updateGutterSpace(display); - } - - function updateGutters(cm) { - renderGutters(cm.display); - regChange(cm); - alignHorizontally(cm); - } - - // The display handles the DOM integration, both for input reading - // and content drawing. It holds references to DOM nodes and - // display-related state. - - function Display(place, doc, input, options) { - var d = this; - this.input = input; - - // Covers bottom-right square when both scrollbars are present. - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); - d.scrollbarFiller.setAttribute("cm-not-content", "true"); - // Covers bottom of gutter when coverGutterNextToScrollbar is on - // and h scrollbar is present. - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); - d.gutterFiller.setAttribute("cm-not-content", "true"); - // Will contain the actual code, positioned to cover the viewport. - d.lineDiv = eltP("div", null, "CodeMirror-code"); - // Elements are added to these to represent selection and cursors. - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); - d.cursorDiv = elt("div", null, "CodeMirror-cursors"); - // A visibility: hidden element used to find the size of things. - d.measure = elt("div", null, "CodeMirror-measure"); - // When lines outside of the viewport are measured, they are drawn in this. - d.lineMeasure = elt("div", null, "CodeMirror-measure"); - // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], - null, "position: relative; outline: none"); - var lines = eltP("div", [d.lineSpace], "CodeMirror-lines"); - // Moved around its parent to cover visible view. - d.mover = elt("div", [lines], null, "position: relative"); - // Set to the height of the document, allowing scrolling. - d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); - d.sizerWidth = null; - // Behavior of elts with overflow: auto and padding is - // inconsistent across browsers. This is used to ensure the - // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); - // Will contain the gutters, if any. - d.gutters = elt("div", null, "CodeMirror-gutters"); - d.lineGutter = null; - // Actual scrollable element. - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); - d.scroller.setAttribute("tabIndex", "-1"); - // The element in which the editor lives. - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); - // See #6982. FIXME remove when this has been fixed for a while in Chrome - if (chrome && chrome_version >= 105) { d.wrapper.style.clipPath = "inset(0px)"; } - - // This attribute is respected by automatic translation systems such as Google Translate, - // and may also be respected by tools used by human translators. - d.wrapper.setAttribute('id', 'kkshanchu'); - d.wrapper.setAttribute('translate', 'no'); - - // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; } - - if (place) { - if (place.appendChild) { place.appendChild(d.wrapper); } - else { place(d.wrapper); } - } - - // Current rendered range (may be bigger than the view window). - d.viewFrom = d.viewTo = doc.first; - d.reportedViewFrom = d.reportedViewTo = doc.first; - // Information about the rendered lines. - d.view = []; - d.renderedView = null; - // Holds info about a single rendered line when it was rendered - // for measurement, while not in view. - d.externalMeasured = null; - // Empty space (in pixels) above the view - d.viewOffset = 0; - d.lastWrapHeight = d.lastWrapWidth = 0; - d.updateLineNumbers = null; - - d.nativeBarWidth = d.barHeight = d.barWidth = 0; - d.scrollbarsClipped = false; - - // Used to only resize the line number gutter when necessary (when - // the amount of lines crosses a boundary that makes its width change) - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; - // Set to true when a non-horizontal-scrolling line widget is - // added. As an optimization, line widget aligning is skipped when - // this is false. - d.alignWidgets = false; - - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - d.maxLine = null; - d.maxLineLength = 0; - d.maxLineChanged = false; - - // Used for measuring wheel scrolling granularity - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; - - // True when shift is held down. - d.shift = false; - - // Used to track whether anything happened since the context menu - // was opened. - d.selForContextMenu = null; - - d.activeTouch = null; - - d.gutterSpecs = getGutters(options.gutters, options.lineNumbers); - renderGutters(d); - - input.init(d); - } - - // Since the delta values reported on mouse wheel events are - // unstandardized between browsers and even browser versions, and - // generally horribly unpredictable, this code starts by measuring - // the scroll effect that the first few mouse wheel events have, - // and, from that, detects the way it can convert deltas to pixel - // offsets afterwards. - // - // The reason we want to know the amount a wheel event will scroll - // is that it gives us a chance to update the display before the - // actual scrolling happens, reducing flickering. - - var wheelSamples = 0, wheelPixelsPerUnit = null; - // Fill in a browser-detected starting value on browsers where we - // know one. These don't have to be accurate -- the result of them - // being wrong would just be a slight flicker on the first wheel - // scroll (if it is large enough). - if (ie) { wheelPixelsPerUnit = -.53; } - else if (gecko) { wheelPixelsPerUnit = 15; } - else if (chrome) { wheelPixelsPerUnit = -.7; } - else if (safari) { wheelPixelsPerUnit = -1/3; } - - function wheelEventDelta(e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY; - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; } - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; } - else if (dy == null) { dy = e.wheelDelta; } - return {x: dx, y: dy} - } - function wheelEventPixels(e) { - var delta = wheelEventDelta(e); - delta.x *= wheelPixelsPerUnit; - delta.y *= wheelPixelsPerUnit; - return delta - } - - function onScrollWheel(cm, e) { - // On Chrome 102, viewport updates somehow stop wheel-based - // scrolling. Turning off pointer events during the scroll seems - // to avoid the issue. - if (chrome && chrome_version == 102) { - if (cm.display.chromeScrollHack == null) { cm.display.sizer.style.pointerEvents = "none"; } - else { clearTimeout(cm.display.chromeScrollHack); } - cm.display.chromeScrollHack = setTimeout(function () { - cm.display.chromeScrollHack = null; - cm.display.sizer.style.pointerEvents = ""; - }, 100); - } - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; - var pixelsPerUnit = wheelPixelsPerUnit; - if (e.deltaMode === 0) { - dx = e.deltaX; - dy = e.deltaY; - pixelsPerUnit = 1; - } - - var display = cm.display, scroll = display.scroller; - // Quit if there's nothing to scroll here - var canScrollX = scroll.scrollWidth > scroll.clientWidth; - var canScrollY = scroll.scrollHeight > scroll.clientHeight; - if (!(dx && canScrollX || dy && canScrollY)) { return } - - // Webkit browsers on OS X abort momentum scrolls when the target - // of the scroll event is removed from the scrollable element. - // This hack (see related code in patchDisplay) makes sure the - // element is kept around. - if (dy && mac && webkit) { - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { - for (var i = 0; i < view.length; i++) { - if (view[i].node == cur) { - cm.display.currentWheelTarget = cur; - break outer - } - } - } - } - - // On some browsers, horizontal scrolling will cause redraws to - // happen before the gutter has been realigned, causing it to - // wriggle around in a most unseemly way. When we have an - // estimated pixels/delta value, we just handle horizontal - // scrolling entirely here. It'll be slightly off from native, but - // better than glitching out. - if (dx && !gecko && !presto && pixelsPerUnit != null) { - if (dy && canScrollY) - { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * pixelsPerUnit)); } - setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * pixelsPerUnit)); - // Only prevent default scrolling if vertical scrolling is - // actually possible. Otherwise, it causes vertical scroll - // jitter on OSX trackpads when deltaX is small and deltaY - // is large (issue #3579) - if (!dy || (dy && canScrollY)) - { e_preventDefault(e); } - display.wheelStartX = null; // Abort measurement, if in progress - return - } - - // 'Project' the visible viewport to cover the area that is being - // scrolled into view (if we know enough to estimate it). - if (dy && pixelsPerUnit != null) { - var pixels = dy * pixelsPerUnit; - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; - if (pixels < 0) { top = Math.max(0, top + pixels - 50); } - else { bot = Math.min(cm.doc.height, bot + pixels + 50); } - updateDisplaySimple(cm, {top: top, bottom: bot}); - } - - if (wheelSamples < 20 && e.deltaMode !== 0) { - if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; - display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function () { - if (display.wheelStartX == null) { return } - var movedX = scroll.scrollLeft - display.wheelStartX; - var movedY = scroll.scrollTop - display.wheelStartY; - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || - (movedX && display.wheelDX && movedX / display.wheelDX); - display.wheelStartX = display.wheelStartY = null; - if (!sample) { return } - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); - ++wheelSamples; - }, 200); - } else { - display.wheelDX += dx; display.wheelDY += dy; - } - } - } - - // Selection objects are immutable. A new one is created every time - // the selection changes. A selection is one or more non-overlapping - // (and non-touching) ranges, sorted, and an integer that indicates - // which one is the primary selection (the one that's scrolled into - // view, that getCursor returns, etc). - var Selection = function(ranges, primIndex) { - this.ranges = ranges; - this.primIndex = primIndex; - }; - - Selection.prototype.primary = function () { return this.ranges[this.primIndex] }; - - Selection.prototype.equals = function (other) { - if (other == this) { return true } - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } - for (var i = 0; i < this.ranges.length; i++) { - var here = this.ranges[i], there = other.ranges[i]; - if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false } - } - return true - }; - - Selection.prototype.deepCopy = function () { - var out = []; - for (var i = 0; i < this.ranges.length; i++) - { out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); } - return new Selection(out, this.primIndex) - }; - - Selection.prototype.somethingSelected = function () { - for (var i = 0; i < this.ranges.length; i++) - { if (!this.ranges[i].empty()) { return true } } - return false - }; - - Selection.prototype.contains = function (pos, end) { - if (!end) { end = pos; } - for (var i = 0; i < this.ranges.length; i++) { - var range = this.ranges[i]; - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - { return i } - } - return -1 - }; - - var Range = function(anchor, head) { - this.anchor = anchor; this.head = head; - }; - - Range.prototype.from = function () { return minPos(this.anchor, this.head) }; - Range.prototype.to = function () { return maxPos(this.anchor, this.head) }; - Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch }; - - // Take an unsorted, potentially overlapping set of ranges, and - // build a selection out of it. 'Consumes' ranges array (modifying - // it). - function normalizeSelection(cm, ranges, primIndex) { - var mayTouch = cm && cm.options.selectionsMayTouch; - var prim = ranges[primIndex]; - ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }); - primIndex = indexOf(ranges, prim); - for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1]; - var diff = cmp(prev.to(), cur.from()); - if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; - if (i <= primIndex) { --primIndex; } - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); - } - } - return new Selection(ranges, primIndex) - } - - function simpleSelection(anchor, head) { - return new Selection([new Range(anchor, head || anchor)], 0) - } - - // Compute the position of the end of a change (its 'to' property - // refers to the pre-change end). - function changeEnd(change) { - if (!change.text) { return change.to } - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) - } - - // Adjust a position to refer to the post-change position of the - // same text, or the end of the change if the change covers it. - function adjustForChange(pos, change) { - if (cmp(pos, change.from) < 0) { return pos } - if (cmp(pos, change.to) <= 0) { return changeEnd(change) } - - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; - if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; } - return Pos(line, ch) - } - - function computeSelAfterChange(doc, change) { - var out = []; - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - out.push(new Range(adjustForChange(range.anchor, change), - adjustForChange(range.head, change))); - } - return normalizeSelection(doc.cm, out, doc.sel.primIndex) - } - - function offsetPos(pos, old, nw) { - if (pos.line == old.line) - { return Pos(nw.line, pos.ch - old.ch + nw.ch) } - else - { return Pos(nw.line + (pos.line - old.line), pos.ch) } - } - - // Used by replaceSelections to allow moving the selection to the - // start or around the replaced test. Hint may be "start" or "around". - function computeReplacedSel(doc, changes, hint) { - var out = []; - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; - for (var i = 0; i < changes.length; i++) { - var change = changes[i]; - var from = offsetPos(change.from, oldPrev, newPrev); - var to = offsetPos(changeEnd(change), oldPrev, newPrev); - oldPrev = change.to; - newPrev = to; - if (hint == "around") { - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; - out[i] = new Range(inv ? to : from, inv ? from : to); - } else { - out[i] = new Range(from, from); - } - } - return new Selection(out, doc.sel.primIndex) - } - - // Used to get the editor into a consistent state again when options change. - - function loadMode(cm) { - cm.doc.mode = getMode(cm.options, cm.doc.modeOption); - resetModeState(cm); - } - - function resetModeState(cm) { - cm.doc.iter(function (line) { - if (line.stateAfter) { line.stateAfter = null; } - if (line.styles) { line.styles = null; } - }); - cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first; - startWorker(cm, 100); - cm.state.modeGen++; - if (cm.curOp) { regChange(cm); } - } - - // DOCUMENT DATA STRUCTURE - - // By default, updates that start and end at the beginning of a line - // are treated specially, in order to make the association of line - // widgets and marker elements with the text behave more intuitive. - function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore) - } - - // Perform a change on the document data structure. - function updateDoc(doc, change, markedSpans, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight); - signalLater(line, "change", line, change); - } - function linesFor(start, end) { - var result = []; - for (var i = start; i < end; ++i) - { result.push(new Line(text[i], spansFor(i), estimateHeight)); } - return result - } - - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; - - // Adjust the line structure - if (change.full) { - doc.insert(0, linesFor(0, text.length)); - doc.remove(text.length, doc.size - text.length); - } else if (isWholeLineUpdate(doc, change)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = linesFor(0, text.length - 1); - update(lastLine, lastLine.text, lastSpans); - if (nlines) { doc.remove(from.line, nlines); } - if (added.length) { doc.insert(from.line, added); } - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); - } else { - var added$1 = linesFor(1, text.length - 1); - added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - doc.insert(from.line + 1, added$1); - } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); - doc.remove(from.line + 1, nlines); - } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - var added$2 = linesFor(1, text.length - 1); - if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); } - doc.insert(from.line + 1, added$2); - } - - signalLater(doc, "change", doc, change); - } - - // Call f for all linked documents. - function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) { continue } - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) { continue } - f(rel.doc, shared); - propagate(rel.doc, doc, shared); - } } - } - propagate(doc, null, true); - } - - // Attach a document to an editor. - function attachDoc(cm, doc) { - if (doc.cm) { throw new Error("This document is already in use.") } - cm.doc = doc; - doc.cm = cm; - estimateLineHeights(cm); - loadMode(cm); - setDirectionClass(cm); - cm.options.direction = doc.direction; - if (!cm.options.lineWrapping) { findMaxLine(cm); } - cm.options.mode = doc.modeOption; - regChange(cm); - } - - function setDirectionClass(cm) { - (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl"); - } - - function directionChanged(cm) { - runInOp(cm, function () { - setDirectionClass(cm); - regChange(cm); - }); - } - - function History(prev) { - // Arrays of change events and selections. Doing something adds an - // event to done and clears undo. Undoing moves events from done - // to undone, redoing moves them in the other direction. - this.done = []; this.undone = []; - this.undoDepth = prev ? prev.undoDepth : Infinity; - // Used to track when changes can be merged into a single undo - // event - this.lastModTime = this.lastSelTime = 0; - this.lastOp = this.lastSelOp = null; - this.lastOrigin = this.lastSelOrigin = null; - // Used by the isClean() method - this.generation = this.maxGeneration = prev ? prev.maxGeneration : 1; - } - - // Create a history change event from an updateDoc-style change - // object. - function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true); - return histChange - } - - // Pop all selection events off the end of a history array. Stop at - // a change event. - function clearSelectionEvents(array) { - while (array.length) { - var last = lst(array); - if (last.ranges) { array.pop(); } - else { break } - } - } - - // Find the top change event in the history. Pop off selection - // events that are in the way. - function lastChangeEvent(hist, force) { - if (force) { - clearSelectionEvents(hist.done); - return lst(hist.done) - } else if (hist.done.length && !lst(hist.done).ranges) { - return lst(hist.done) - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { - hist.done.pop(); - return lst(hist.done) - } - } - - // Register a change in the history. Merges changes that are within - // a single operation, or are close together with an origin that - // allows merging (starting with "+") into a single event. - function addChangeToHistory(doc, change, selAfter, opId) { - var hist = doc.history; - hist.undone.length = 0; - var time = +new Date, cur; - var last; - - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { - // Merge this change into the last event - last = lst(cur.changes); - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change); - } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)); - } - } else { - // Can not be merged, start a new event. - var before = lst(hist.done); - if (!before || !before.ranges) - { pushSelectionToHistory(doc.sel, hist.done); } - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation}; - hist.done.push(cur); - while (hist.done.length > hist.undoDepth) { - hist.done.shift(); - if (!hist.done[0].ranges) { hist.done.shift(); } - } - } - hist.done.push(selAfter); - hist.generation = ++hist.maxGeneration; - hist.lastModTime = hist.lastSelTime = time; - hist.lastOp = hist.lastSelOp = opId; - hist.lastOrigin = hist.lastSelOrigin = change.origin; - - if (!last) { signal(doc, "historyAdded"); } - } - - function selectionEventCanBeMerged(doc, origin, prev, sel) { - var ch = origin.charAt(0); - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) - } - - // Called whenever the selection changes, sets the new selection as - // the pending selection in the history, and pushes the old pending - // selection into the 'done' array when it was significantly - // different (in number of selected ranges, emptiness, or time). - function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin; - - // A new event is started when the previous origin does not match - // the current, or the origins don't allow matching. Origins - // starting with * are always merged, those starting with + are - // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) - { hist.done[hist.done.length - 1] = sel; } - else - { pushSelectionToHistory(sel, hist.done); } - - hist.lastSelTime = +new Date; - hist.lastSelOrigin = origin; - hist.lastSelOp = opId; - if (options && options.clearRedo !== false) - { clearSelectionEvents(hist.undone); } - } - - function pushSelectionToHistory(sel, dest) { - var top = lst(dest); - if (!(top && top.ranges && top.equals(sel))) - { dest.push(sel); } - } - - // Used to store marked span information in the history. - function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { - if (line.markedSpans) - { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; } - ++n; - }); - } - - // When un/re-doing restores text containing marked spans, those - // that have been explicitly cleared should not be restored. - function removeClearedSpans(spans) { - if (!spans) { return null } - var out; - for (var i = 0; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } } - else if (out) { out.push(spans[i]); } - } - return !out ? spans : out.length ? out : null - } - - // Retrieve and filter the old marked spans stored in a change event. - function getOldSpans(doc, change) { - var found = change["spans_" + doc.id]; - if (!found) { return null } - var nw = []; - for (var i = 0; i < change.text.length; ++i) - { nw.push(removeClearedSpans(found[i])); } - return nw - } - - // Used for un/re-doing changes from the history. Combines the - // result of computing the existing spans with the set of spans that - // existed in the history (so that deleting around a span and then - // undoing brings back the span). - function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change); - var stretched = stretchSpansOverChange(doc, change); - if (!old) { return stretched } - if (!stretched) { return old } - - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j]; - for (var k = 0; k < oldCur.length; ++k) - { if (oldCur[k].marker == span.marker) { continue spans } } - oldCur.push(span); - } - } else if (stretchCur) { - old[i] = stretchCur; - } - } - return old - } - - // Used both to provide a JSON-safe object in .getHistory, and, when - // detaching a document, to split the history in two - function copyHistoryArray(events, newGroup, instantiateSel) { - var copy = []; - for (var i = 0; i < events.length; ++i) { - var event = events[i]; - if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); - continue - } - var changes = event.changes, newChanges = []; - copy.push({changes: newChanges}); - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m = (void 0); - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } } } - } - } - return copy - } - - // The 'scroll' parameter given to many of these indicated whether - // the new cursor position should be scrolled into view after - // modifying the selection. - - // If shift is held or the extend flag is set, extends a range to - // include a given position (and optionally a second position). - // Otherwise, simply returns the range between the given positions. - // Used for cursor motion and such. - function extendRange(range, head, other, extend) { - if (extend) { - var anchor = range.anchor; - if (other) { - var posBefore = cmp(head, anchor) < 0; - if (posBefore != (cmp(other, anchor) < 0)) { - anchor = head; - head = other; - } else if (posBefore != (cmp(head, other) < 0)) { - head = other; - } - } - return new Range(anchor, head) - } else { - return new Range(other || head, head) - } - } - - // Extend the primary selection range, discard the rest. - function extendSelection(doc, head, other, options, extend) { - if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); } - setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options); - } - - // Extend all selections (pos is an array of selections with length - // equal the number of selections) - function extendSelections(doc, heads, options) { - var out = []; - var extend = doc.cm && (doc.cm.display.shift || doc.extend); - for (var i = 0; i < doc.sel.ranges.length; i++) - { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); } - var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex); - setSelection(doc, newSel, options); - } - - // Updates a single range in the selection. - function replaceOneSelection(doc, i, range, options) { - var ranges = doc.sel.ranges.slice(0); - ranges[i] = range; - setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options); - } - - // Reset the selection to a single range. - function setSimpleSelection(doc, anchor, head, options) { - setSelection(doc, simpleSelection(anchor, head), options); - } - - // Give beforeSelectionChange handlers a change to influence a - // selection update. - function filterSelectionChange(doc, sel, options) { - var obj = { - ranges: sel.ranges, - update: function(ranges) { - this.ranges = []; - for (var i = 0; i < ranges.length; i++) - { this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)); } - }, - origin: options && options.origin - }; - signal(doc, "beforeSelectionChange", doc, obj); - if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); } - if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) } - else { return sel } - } - - function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done); - if (last && last.ranges) { - done[done.length - 1] = sel; - setSelectionNoUndo(doc, sel, options); - } else { - setSelection(doc, sel, options); - } - } - - // Set a new selection. - function setSelection(doc, sel, options) { - setSelectionNoUndo(doc, sel, options); - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); - } - - function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - { sel = filterSelectionChange(doc, sel, options); } - - var bias = options && options.bias || - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); - - if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption("readOnly") != "nocursor") - { ensureCursorVisible(doc.cm); } - } - - function setSelectionInner(doc, sel) { - if (sel.equals(doc.sel)) { return } - - doc.sel = sel; - - if (doc.cm) { - doc.cm.curOp.updateInput = 1; - doc.cm.curOp.selectionChanged = true; - signalCursorActivity(doc.cm); - } - signalLater(doc, "cursorActivity", doc); - } - - // Verify that the selection does not partially select any atomic - // marked ranges. - function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false)); - } - - // Return a selection that does not partially select any atomic - // ranges. - function skipAtomicInSelection(doc, sel, bias, mayClear) { - var out; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); - var newHead = range.head == range.anchor ? newAnchor : skipAtomic(doc, range.head, old && old.head, bias, mayClear); - if (out || newAnchor != range.anchor || newHead != range.head) { - if (!out) { out = sel.ranges.slice(0, i); } - out[i] = new Range(newAnchor, newHead); - } - } - return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel - } - - function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { - var line = getLine(doc, pos.line); - if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - - // Determine if we should prevent the cursor being placed to the left/right of an atomic marker - // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it - // is with selectLeft/Right - var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft; - var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight; - - if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && - (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) { break } - else {--i; continue} - } - } - if (!m.atomic) { continue } - - if (oldPos) { - var near = m.find(dir < 0 ? 1 : -1), diff = (void 0); - if (dir < 0 ? preventCursorRight : preventCursorLeft) - { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); } - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) - { return skipAtomicInner(doc, near, pos, dir, mayClear) } - } - - var far = m.find(dir < 0 ? -1 : 1); - if (dir < 0 ? preventCursorLeft : preventCursorRight) - { far = movePos(doc, far, dir, far.line == pos.line ? line : null); } - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null - } - } } - return pos - } - - // Ensure a given position is not inside an atomic range. - function skipAtomic(doc, pos, oldPos, bias, mayClear) { - var dir = bias || 1; - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); - if (!found) { - doc.cantEdit = true; - return Pos(doc.first, 0) - } - return found - } - - function movePos(doc, pos, dir, line) { - if (dir < 0 && pos.ch == 0) { - if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } - else { return null } - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { - if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } - else { return null } - } else { - return new Pos(pos.line, pos.ch + dir) - } - } - - function selectAll(cm) { - cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); - } - - // UPDATING - - // Allow "beforeChange" event handlers to influence a change - function filterChange(doc, change, update) { - var obj = { - canceled: false, - from: change.from, - to: change.to, - text: change.text, - origin: change.origin, - cancel: function () { return obj.canceled = true; } - }; - if (update) { obj.update = function (from, to, text, origin) { - if (from) { obj.from = clipPos(doc, from); } - if (to) { obj.to = clipPos(doc, to); } - if (text) { obj.text = text; } - if (origin !== undefined) { obj.origin = origin; } - }; } - signal(doc, "beforeChange", doc, obj); - if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); } - - if (obj.canceled) { - if (doc.cm) { doc.cm.curOp.updateInput = 2; } - return null - } - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} - } - - // Apply a change to a document, and add it to the document's - // history, and propagating it to all linked documents. - function makeChange(doc, change, ignoreReadOnly) { - if (doc.cm) { - if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } - if (doc.cm.state.suppressEdits) { return } - } - - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { - change = filterChange(doc, change, true); - if (!change) { return } - } - - // Possibly split or suppress the update based on the presence - // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); - if (split) { - for (var i = split.length - 1; i >= 0; --i) - { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); } - } else { - makeChangeInner(doc, change); - } - } - - function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } - var selAfter = computeSelAfterChange(doc, change); - addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); - - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); - var rebased = []; - - linkedDocs(doc, function (doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); - }); - } - - // Revert a change stored in a document's history. - function makeChangeFromHistory(doc, type, allowSelectionOnly) { - var suppress = doc.cm && doc.cm.state.suppressEdits; - if (suppress && !allowSelectionOnly) { return } - - var hist = doc.history, event, selAfter = doc.sel; - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; - - // Verify that there is a useable event (so that ctrl-z won't - // needlessly clear selection events) - var i = 0; - for (; i < source.length; i++) { - event = source[i]; - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) - { break } - } - if (i == source.length) { return } - hist.lastOrigin = hist.lastSelOrigin = null; - - for (;;) { - event = source.pop(); - if (event.ranges) { - pushSelectionToHistory(event, dest); - if (allowSelectionOnly && !event.equals(doc.sel)) { - setSelection(doc, event, {clearRedo: false}); - return - } - selAfter = event; - } else if (suppress) { - source.push(event); - return - } else { break } - } - - // Build up a reverse change object to add to the opposite history - // stack (redo when undoing, and vice versa). - var antiChanges = []; - pushSelectionToHistory(selAfter, dest); - dest.push({changes: antiChanges, generation: hist.generation}); - hist.generation = event.generation || ++hist.maxGeneration; - - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); - - var loop = function ( i ) { - var change = event.changes[i]; - change.origin = type; - if (filter && !filterChange(doc, change, false)) { - source.length = 0; - return {} - } - - antiChanges.push(historyChangeFromChange(doc, change)); - - var after = i ? computeSelAfterChange(doc, change) : lst(source); - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); } - var rebased = []; - - // Propagate to the linked documents - linkedDocs(doc, function (doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); - }); - }; - - for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { - var returned = loop( i$1 ); - - if ( returned ) return returned.v; - } - } - - // Sub-views need their line numbers shifted when text is added - // above or below them in the parent document. - function shiftDoc(doc, distance) { - if (distance == 0) { return } - doc.first += distance; - doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( - Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch) - ); }), doc.sel.primIndex); - if (doc.cm) { - regChange(doc.cm, doc.first, doc.first - distance, distance); - for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) - { regLineChange(doc.cm, l, "gutter"); } - } - } - - // More lower-level change function, handling only a single document - // (not linked ones). - function makeChangeSingleDoc(doc, change, selAfter, spans) { - if (doc.cm && !doc.cm.curOp) - { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } - - if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); - return - } - if (change.from.line > doc.lastLine()) { return } - - // Clip the change to the size of this doc - if (change.from.line < doc.first) { - var shift = change.text.length - 1 - (doc.first - change.from.line); - shiftDoc(doc, shift); - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin}; - } - var last = doc.lastLine(); - if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin}; - } - - change.removed = getBetween(doc, change.from, change.to); - - if (!selAfter) { selAfter = computeSelAfterChange(doc, change); } - if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); } - else { updateDoc(doc, change, spans); } - setSelectionNoUndo(doc, selAfter, sel_dontScroll); - - if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0))) - { doc.cantEdit = false; } - } - - // Handle the interaction of a change to a document with the editor - // that this document is part of. - function makeChangeSingleDocInEditor(cm, change, spans) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to; - - var recomputeMaxLength = false, checkWidthStart = from.line; - if (!cm.options.lineWrapping) { - checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function (line) { - if (line == display.maxLine) { - recomputeMaxLength = true; - return true - } - }); - } - - if (doc.sel.contains(change.from, change.to) > -1) - { signalCursorActivity(cm); } - - updateDoc(doc, change, spans, estimateHeight(cm)); - - if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function (line) { - var len = lineLength(line); - if (len > display.maxLineLength) { - display.maxLine = line; - display.maxLineLength = len; - display.maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; } - } - - retreatFrontier(doc, from.line); - startWorker(cm, 400); - - var lendiff = change.text.length - (to.line - from.line) - 1; - // Remember that these lines changed, for updating the display - if (change.full) - { regChange(cm); } - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) - { regLineChange(cm, from.line, "text"); } - else - { regChange(cm, from.line, to.line + 1, lendiff); } - - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); - if (changeHandler || changesHandler) { - var obj = { - from: from, to: to, - text: change.text, - removed: change.removed, - origin: change.origin - }; - if (changeHandler) { signalLater(cm, "change", cm, obj); } - if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } - } - cm.display.selForContextMenu = null; - } - - function replaceRange(doc, code, from, to, origin) { - var assign; - - if (!to) { to = from; } - if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); } - if (typeof code == "string") { code = doc.splitLines(code); } - makeChange(doc, {from: from, to: to, text: code, origin: origin}); - } - - // Rebasing/resetting history to deal with externally-sourced changes - - function rebaseHistSelSingle(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff; - } else if (from < pos.line) { - pos.line = from; - pos.ch = 0; - } - } - - // Tries to rebase an array of history events given a change in the - // document. If the change touches the same lines as the event, the - // event, and everything 'behind' it, is discarded. If the change is - // before the event, the event's positions are updated. Uses a - // copy-on-write scheme for the positions, to avoid having to - // reallocate them all on every rebase, but also avoid problems with - // shared position objects being unsafely updated. - function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; - if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } - for (var j = 0; j < sub.ranges.length; j++) { - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); - } - continue - } - for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { - var cur = sub.changes[j$1]; - if (to < cur.from.line) { - cur.from = Pos(cur.from.line + diff, cur.from.ch); - cur.to = Pos(cur.to.line + diff, cur.to.ch); - } else if (from <= cur.to.line) { - ok = false; - break - } - } - if (!ok) { - array.splice(0, i + 1); - i = 0; - } - } - } - - function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; - rebaseHistArray(hist.done, from, to, diff); - rebaseHistArray(hist.undone, from, to, diff); - } - - // Utility for applying a change to a line by handle or number, - // returning the number and optionally registering the line as - // changed. - function changeLine(doc, handle, changeType, op) { - var no = handle, line = handle; - if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); } - else { no = lineNo(handle); } - if (no == null) { return null } - if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); } - return line - } - - // The document is represented as a BTree consisting of leaves, with - // chunk of lines in them, and branches, with up to ten leaves or - // other branch nodes below them. The top node is always a branch - // node, and is the document object itself (meaning it has - // additional methods and properties). - // - // All nodes have parent links. The tree is used both to go from - // line numbers to line objects, and to go from objects to numbers. - // It also indexes by height, and is used to convert between height - // and line object, and to find the total height of the document. - // - // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - var height = 0; - for (var i = 0; i < lines.length; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length }, - - // Remove the n lines at offset 'at'. - removeInner: function(at, n) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - cleanUpLine(line); - signalLater(line, "delete"); - } - this.lines.splice(at, n); - }, - - // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { - lines.push.apply(lines, this.lines); - }, - - // Insert the given array of lines at offset 'at', count them as - // having the given height. - insertInner: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0; i < lines.length; ++i) { lines[i].parent = this; } - }, - - // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - { if (op(this.lines[at])) { return true } } - } - }; - - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0; i < children.length; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - - BranchChunk.prototype = { - chunkSize: function() { return this.size }, - - removeInner: function(at, n) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.removeInner(at, rm); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) { break } - at = 0; - } else { at -= sz; } - } - // If the result is smaller than 25 lines, ensure that it is a - // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - - collapse: function(lines) { - for (var i = 0; i < this.children.length; ++i) { this.children[i].collapse(lines); } - }, - - insertInner: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertInner(at, lines, height); - if (child.lines && child.lines.length > 50) { - // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. - // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. - var remaining = child.lines.length % 25 + 25; - for (var pos = remaining; pos < child.lines.length;) { - var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); - child.height -= leaf.height; - this.children.splice(++i, 0, leaf); - leaf.parent = this; - } - child.lines = child.lines.slice(0, remaining); - this.maybeSpill(); - } - break - } - at -= sz; - } - }, - - // When a node has grown, check whether it should be split. - maybeSpill: function() { - if (this.children.length <= 10) { return } - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10) - me.parent.maybeSpill(); - }, - - iterN: function(at, n, op) { - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) { return true } - if ((n -= used) == 0) { break } - at = 0; - } else { at -= sz; } - } - } - }; - - // Line widgets are block elements displayed above or below a line. - - var LineWidget = function(doc, node, options) { - if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) - { this[opt] = options[opt]; } } } - this.doc = doc; - this.node = node; - }; - - LineWidget.prototype.clear = function () { - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); - if (no == null || !ws) { return } - for (var i = 0; i < ws.length; ++i) { if (ws[i] == this) { ws.splice(i--, 1); } } - if (!ws.length) { line.widgets = null; } - var height = widgetHeight(this); - updateLineHeight(line, Math.max(0, line.height - height)); - if (cm) { - runInOp(cm, function () { - adjustScrollWhenAboveVisible(cm, line, -height); - regLineChange(cm, no, "widget"); - }); - signalLater(cm, "lineWidgetCleared", cm, this, no); - } - }; - - LineWidget.prototype.changed = function () { - var this$1 = this; - - var oldH = this.height, cm = this.doc.cm, line = this.line; - this.height = null; - var diff = widgetHeight(this) - oldH; - if (!diff) { return } - if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); } - if (cm) { - runInOp(cm, function () { - cm.curOp.forceUpdate = true; - adjustScrollWhenAboveVisible(cm, line, diff); - signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line)); - }); - } - }; - eventMixin(LineWidget); - - function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) - { addToScrollTop(cm, diff); } - } - - function addLineWidget(doc, handle, node, options) { - var widget = new LineWidget(doc, node, options); - var cm = doc.cm; - if (cm && widget.noHScroll) { cm.display.alignWidgets = true; } - changeLine(doc, handle, "widget", function (line) { - var widgets = line.widgets || (line.widgets = []); - if (widget.insertAt == null) { widgets.push(widget); } - else { widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget); } - widget.line = line; - if (cm && !lineIsHidden(doc, line)) { - var aboveVisible = heightAtLine(line) < doc.scrollTop; - updateLineHeight(line, line.height + widgetHeight(widget)); - if (aboveVisible) { addToScrollTop(cm, widget.height); } - cm.curOp.forceUpdate = true; - } - return true - }); - if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); } - return widget - } - - // TEXTMARKERS - - // Created with markText and setBookmark methods. A TextMarker is a - // handle that can be used to clear or find a marked position in the - // document. Line objects hold arrays (markedSpans) containing - // {from, to, marker} object pointing to such marker objects, and - // indicating that such a marker is present on that line. Multiple - // lines may point to the same marker when it spans across lines. - // The spans will have null for their from/to properties when the - // marker continues beyond the start/end of the line. Markers have - // links back to the lines they currently touch. - - // Collapsed markers have unique ids, in order to be able to order - // them, which is needed for uniquely determining an outer marker - // when they overlap (they may nest, but not partially overlap). - var nextMarkerId = 0; - - var TextMarker = function(doc, type) { - this.lines = []; - this.type = type; - this.doc = doc; - this.id = ++nextMarkerId; - }; - - // Clear the marker. - TextMarker.prototype.clear = function () { - if (this.explicitlyCleared) { return } - var cm = this.doc.cm, withOp = cm && !cm.curOp; - if (withOp) { startOperation(cm); } - if (hasHandler(this, "clear")) { - var found = this.find(); - if (found) { signalLater(this, "clear", found.from, found.to); } - } - var min = null, max = null; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (cm && !this.collapsed) { regLineChange(cm, lineNo(line), "text"); } - else if (cm) { - if (span.to != null) { max = lineNo(line); } - if (span.from != null) { min = lineNo(line); } - } - line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) - { updateLineHeight(line, textHeight(cm.display)); } - } - if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { - var visual = visualLine(this.lines[i$1]), len = lineLength(visual); - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual; - cm.display.maxLineLength = len; - cm.display.maxLineChanged = true; - } - } } - - if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); } - this.lines.length = 0; - this.explicitlyCleared = true; - if (this.atomic && this.doc.cantEdit) { - this.doc.cantEdit = false; - if (cm) { reCheckSelection(cm.doc); } - } - if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); } - if (withOp) { endOperation(cm); } - if (this.parent) { this.parent.clear(); } - }; - - // Find the position of the marker in the document. Returns a {from, - // to} object by default. Side can be passed to get a specific side - // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the - // Pos objects returned contain a line object, rather than a line - // number (used to prevent looking up the same line twice). - TextMarker.prototype.find = function (side, lineObj) { - if (side == null && this.type == "bookmark") { side = 1; } - var from, to; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.from != null) { - from = Pos(lineObj ? line : lineNo(line), span.from); - if (side == -1) { return from } - } - if (span.to != null) { - to = Pos(lineObj ? line : lineNo(line), span.to); - if (side == 1) { return to } - } - } - return from && {from: from, to: to} - }; - - // Signals that the marker's widget changed, and surrounding layout - // should be recomputed. - TextMarker.prototype.changed = function () { - var this$1 = this; - - var pos = this.find(-1, true), widget = this, cm = this.doc.cm; - if (!pos || !cm) { return } - runInOp(cm, function () { - var line = pos.line, lineN = lineNo(pos.line); - var view = findViewForLine(cm, lineN); - if (view) { - clearLineMeasurementCacheFor(view); - cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; - } - cm.curOp.updateMaxLine = true; - if (!lineIsHidden(widget.doc, line) && widget.height != null) { - var oldHeight = widget.height; - widget.height = null; - var dHeight = widgetHeight(widget) - oldHeight; - if (dHeight) - { updateLineHeight(line, line.height + dHeight); } - } - signalLater(cm, "markerChanged", cm, this$1); - }); - }; - - TextMarker.prototype.attachLine = function (line) { - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } - } - this.lines.push(line); - }; - - TextMarker.prototype.detachLine = function (line) { - this.lines.splice(indexOf(this.lines, line), 1); - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp - ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); - } - }; - eventMixin(TextMarker); - - // Create a marker, wire it up to the right lines, and - function markText(doc, from, to, options, type) { - // Shared markers (across linked documents) are handled separately - // (markTextShared will call out to this again, once per - // document). - if (options && options.shared) { return markTextShared(doc, from, to, options, type) } - // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } - - var marker = new TextMarker(doc, type), diff = cmp(from, to); - if (options) { copyObj(options, marker, false); } - // Don't connect empty markers unless clearWhenEmpty is false - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) - { return marker } - if (marker.replacedWith) { - // Showing up as a widget implies collapsed (widget replaces text) - marker.collapsed = true; - marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); } - if (options.insertLeft) { marker.widgetNode.insertLeft = true; } - } - if (marker.collapsed) { - if (conflictingCollapsedRange(doc, from.line, from, to, marker) || - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - { throw new Error("Inserting collapsed marker partially overlapping an existing one") } - seeCollapsedSpans(); - } - - if (marker.addToHistory) - { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); } - - var curLine = from.line, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function (line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) - { updateMaxLine = true; } - if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); } - addMarkedSpan(line, new MarkedSpan(marker, - curLine == from.line ? from.ch : null, - curLine == to.line ? to.ch : null), doc.cm && doc.cm.curOp); - ++curLine; - }); - // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { - if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); } - }); } - - if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); } - - if (marker.readOnly) { - seeReadOnlySpans(); - if (doc.history.done.length || doc.history.undone.length) - { doc.clearHistory(); } - } - if (marker.collapsed) { - marker.id = ++nextMarkerId; - marker.atomic = true; - } - if (cm) { - // Sync editor state - if (updateMaxLine) { cm.curOp.updateMaxLine = true; } - if (marker.collapsed) - { regChange(cm, from.line, to.line + 1); } - else if (marker.className || marker.startStyle || marker.endStyle || marker.css || - marker.attributes || marker.title) - { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } } - if (marker.atomic) { reCheckSelection(cm.doc); } - signalLater(cm, "markerAdded", cm, marker); - } - return marker - } - - // SHARED TEXTMARKERS - - // A shared marker spans multiple linked documents. It is - // implemented as a meta-marker-object controlling multiple normal - // markers. - var SharedTextMarker = function(markers, primary) { - this.markers = markers; - this.primary = primary; - for (var i = 0; i < markers.length; ++i) - { markers[i].parent = this; } - }; - - SharedTextMarker.prototype.clear = function () { - if (this.explicitlyCleared) { return } - this.explicitlyCleared = true; - for (var i = 0; i < this.markers.length; ++i) - { this.markers[i].clear(); } - signalLater(this, "clear"); - }; - - SharedTextMarker.prototype.find = function (side, lineObj) { - return this.primary.find(side, lineObj) - }; - eventMixin(SharedTextMarker); - - function markTextShared(doc, from, to, options, type) { - options = copyObj(options); - options.shared = false; - var markers = [markText(doc, from, to, options, type)], primary = markers[0]; - var widget = options.widgetNode; - linkedDocs(doc, function (doc) { - if (widget) { options.widgetNode = widget.cloneNode(true); } - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); - for (var i = 0; i < doc.linked.length; ++i) - { if (doc.linked[i].isParent) { return } } - primary = lst(markers); - }); - return new SharedTextMarker(markers, primary) - } - - function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) - } - - function copySharedMarkers(doc, markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], pos = marker.find(); - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); - if (cmp(mFrom, mTo)) { - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); - marker.markers.push(subMark); - subMark.parent = marker; - } - } - } - - function detachSharedMarkers(markers) { - var loop = function ( i ) { - var marker = markers[i], linked = [marker.primary.doc]; - linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }); - for (var j = 0; j < marker.markers.length; j++) { - var subMarker = marker.markers[j]; - if (indexOf(linked, subMarker.doc) == -1) { - subMarker.parent = null; - marker.markers.splice(j--, 1); - } - } - }; - - for (var i = 0; i < markers.length; i++) loop( i ); - } - - var nextDocId = 0; - var Doc = function(text, mode, firstLine, lineSep, direction) { - if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) } - if (firstLine == null) { firstLine = 0; } - - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); - this.first = firstLine; - this.scrollTop = this.scrollLeft = 0; - this.cantEdit = false; - this.cleanGeneration = 1; - this.modeFrontier = this.highlightFrontier = firstLine; - var start = Pos(firstLine, 0); - this.sel = simpleSelection(start); - this.history = new History(null); - this.id = ++nextDocId; - this.modeOption = mode; - this.lineSep = lineSep; - this.direction = (direction == "rtl") ? "rtl" : "ltr"; - this.extend = false; - - if (typeof text == "string") { text = this.splitLines(text); } - updateDoc(this, {from: start, to: start, text: text}); - setSelection(this, simpleSelection(start), sel_dontScroll); - }; - - Doc.prototype = createObj(BranchChunk.prototype, { - constructor: Doc, - // Iterate over the document. Supports two forms -- with only one - // argument, it calls that for each line in the document. With - // three, it iterates over the range given by the first two (with - // the second being non-inclusive). - iter: function(from, to, op) { - if (op) { this.iterN(from - this.first, to - from, op); } - else { this.iterN(this.first, this.first + this.size, from); } - }, - - // Non-public interface for adding and removing lines. - insert: function(at, lines) { - var height = 0; - for (var i = 0; i < lines.length; ++i) { height += lines[i].height; } - this.insertInner(at - this.first, lines, height); - }, - remove: function(at, n) { this.removeInner(at - this.first, n); }, - - // From here, the methods are part of the public interface. Most - // are also available from CodeMirror (editor) instances. - - getValue: function(lineSep) { - var lines = getLines(this, this.first, this.first + this.size); - if (lineSep === false) { return lines } - return lines.join(lineSep || this.lineSeparator()) - }, - setValue: docMethodOp(function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1; - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: this.splitLines(code), origin: "setValue", full: true}, true); - if (this.cm) { scrollToCoords(this.cm, 0, 0); } - setSelection(this, simpleSelection(top), sel_dontScroll); - }), - replaceRange: function(code, from, to, origin) { - from = clipPos(this, from); - to = to ? clipPos(this, to) : from; - replaceRange(this, code, from, to, origin); - }, - getRange: function(from, to, lineSep) { - var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); - if (lineSep === false) { return lines } - if (lineSep === '') { return lines.join('') } - return lines.join(lineSep || this.lineSeparator()) - }, - - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, - - getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, - getLineNumber: function(line) {return lineNo(line)}, - - getLineHandleVisualStart: function(line) { - if (typeof line == "number") { line = getLine(this, line); } - return visualLine(line) - }, - - lineCount: function() {return this.size}, - firstLine: function() {return this.first}, - lastLine: function() {return this.first + this.size - 1}, - - clipPos: function(pos) {return clipPos(this, pos)}, - - getCursor: function(start) { - var range = this.sel.primary(), pos; - if (start == null || start == "head") { pos = range.head; } - else if (start == "anchor") { pos = range.anchor; } - else if (start == "end" || start == "to" || start === false) { pos = range.to(); } - else { pos = range.from(); } - return pos - }, - listSelections: function() { return this.sel.ranges }, - somethingSelected: function() {return this.sel.somethingSelected()}, - - setCursor: docMethodOp(function(line, ch, options) { - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); - }), - setSelection: docMethodOp(function(anchor, head, options) { - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); - }), - extendSelection: docMethodOp(function(head, other, options) { - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); - }), - extendSelections: docMethodOp(function(heads, options) { - extendSelections(this, clipPosArray(this, heads), options); - }), - extendSelectionsBy: docMethodOp(function(f, options) { - var heads = map(this.sel.ranges, f); - extendSelections(this, clipPosArray(this, heads), options); - }), - setSelections: docMethodOp(function(ranges, primary, options) { - if (!ranges.length) { return } - var out = []; - for (var i = 0; i < ranges.length; i++) - { out[i] = new Range(clipPos(this, ranges[i].anchor), - clipPos(this, ranges[i].head || ranges[i].anchor)); } - if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); } - setSelection(this, normalizeSelection(this.cm, out, primary), options); - }), - addSelection: docMethodOp(function(anchor, head, options) { - var ranges = this.sel.ranges.slice(0); - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); - setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options); - }), - - getSelection: function(lineSep) { - var ranges = this.sel.ranges, lines; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - lines = lines ? lines.concat(sel) : sel; - } - if (lineSep === false) { return lines } - else { return lines.join(lineSep || this.lineSeparator()) } - }, - getSelections: function(lineSep) { - var parts = [], ranges = this.sel.ranges; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - if (lineSep !== false) { sel = sel.join(lineSep || this.lineSeparator()); } - parts[i] = sel; - } - return parts - }, - replaceSelection: function(code, collapse, origin) { - var dup = []; - for (var i = 0; i < this.sel.ranges.length; i++) - { dup[i] = code; } - this.replaceSelections(dup, collapse, origin || "+input"); - }, - replaceSelections: docMethodOp(function(code, collapse, origin) { - var changes = [], sel = this.sel; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; - } - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); - for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) - { makeChange(this, changes[i$1]); } - if (newSel) { setSelectionReplaceHistory(this, newSel); } - else if (this.cm) { ensureCursorVisible(this.cm); } - }), - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), - - setExtending: function(val) {this.extend = val;}, - getExtending: function() {return this.extend}, - - historySize: function() { - var hist = this.history, done = 0, undone = 0; - for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } } - for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } } - return {undo: done, redo: undone} - }, - clearHistory: function() { - var this$1 = this; - - this.history = new History(this.history); - linkedDocs(this, function (doc) { return doc.history = this$1.history; }, true); - }, - - markClean: function() { - this.cleanGeneration = this.changeGeneration(true); - }, - changeGeneration: function(forceSplit) { - if (forceSplit) - { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; } - return this.history.generation - }, - isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration) - }, - - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)} - }, - setHistory: function(histData) { - var hist = this.history = new History(this.history); - hist.done = copyHistoryArray(histData.done.slice(0), null, true); - hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); - }, - - setGutterMarker: docMethodOp(function(line, gutterID, value) { - return changeLine(this, line, "gutter", function (line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}); - markers[gutterID] = value; - if (!value && isEmpty(markers)) { line.gutterMarkers = null; } - return true - }) - }), - - clearGutter: docMethodOp(function(gutterID) { - var this$1 = this; - - this.iter(function (line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - changeLine(this$1, line, "gutter", function () { - line.gutterMarkers[gutterID] = null; - if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; } - return true - }); - } - }); - }), - - lineInfo: function(line) { - var n; - if (typeof line == "number") { - if (!isLine(this, line)) { return null } - n = line; - line = getLine(this, line); - if (!line) { return null } - } else { - n = lineNo(line); - if (n == null) { return null } - } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets} - }, - - addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - if (!line[prop]) { line[prop] = cls; } - else if (classTest(cls).test(line[prop])) { return false } - else { line[prop] += " " + cls; } - return true - }) - }), - removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - var cur = line[prop]; - if (!cur) { return false } - else if (cls == null) { line[prop] = null; } - else { - var found = cur.match(classTest(cls)); - if (!found) { return false } - var end = found.index + found[0].length; - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; - } - return true - }) - }), - - addLineWidget: docMethodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options) - }), - removeLineWidget: function(widget) { widget.clear(); }, - - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") - }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared, - handleMouseEvents: options && options.handleMouseEvents}; - pos = clipPos(this, pos); - return markText(this, pos, pos, realOpts, "bookmark") - }, - findMarksAt: function(pos) { - pos = clipPos(this, pos); - var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) { for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - { markers.push(span.marker.parent || span.marker); } - } } - return markers - }, - findMarks: function(from, to, filter) { - from = clipPos(this, from); to = clipPos(this, to); - var found = [], lineNo = from.line; - this.iter(from.line, to.line + 1, function (line) { - var spans = line.markedSpans; - if (spans) { for (var i = 0; i < spans.length; i++) { - var span = spans[i]; - if (!(span.to != null && lineNo == from.line && from.ch >= span.to || - span.from == null && lineNo != from.line || - span.from != null && lineNo == to.line && span.from >= to.ch) && - (!filter || filter(span.marker))) - { found.push(span.marker.parent || span.marker); } - } } - ++lineNo; - }); - return found - }, - getAllMarks: function() { - var markers = []; - this.iter(function (line) { - var sps = line.markedSpans; - if (sps) { for (var i = 0; i < sps.length; ++i) - { if (sps[i].from != null) { markers.push(sps[i].marker); } } } - }); - return markers - }, - - posFromIndex: function(off) { - var ch, lineNo = this.first, sepSize = this.lineSeparator().length; - this.iter(function (line) { - var sz = line.text.length + sepSize; - if (sz > off) { ch = off; return true } - off -= sz; - ++lineNo; - }); - return clipPos(this, Pos(lineNo, ch)) - }, - indexFromPos: function (coords) { - coords = clipPos(this, coords); - var index = coords.ch; - if (coords.line < this.first || coords.ch < 0) { return 0 } - var sepSize = this.lineSeparator().length; - this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value - index += line.text.length + sepSize; - }); - return index - }, - - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep, this.direction); - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; - doc.sel = this.sel; - doc.extend = false; - if (copyHistory) { - doc.history.undoDepth = this.history.undoDepth; - doc.setHistory(this.getHistory()); - } - return doc - }, - - linkedDoc: function(options) { - if (!options) { options = {}; } - var from = this.first, to = this.first + this.size; - if (options.from != null && options.from > from) { from = options.from; } - if (options.to != null && options.to < to) { to = options.to; } - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction); - if (options.sharedHist) { copy.history = this.history - ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; - copySharedMarkers(copy, findSharedMarkers(this)); - return copy - }, - unlinkDoc: function(other) { - if (other instanceof CodeMirror) { other = other.doc; } - if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { - var link = this.linked[i]; - if (link.doc != other) { continue } - this.linked.splice(i, 1); - other.unlinkDoc(this); - detachSharedMarkers(findSharedMarkers(this)); - break - } } - // If the histories were shared, split them again - if (other.history == this.history) { - var splitIds = [other.id]; - linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true); - other.history = new History(null); - other.history.done = copyHistoryArray(this.history.done, splitIds); - other.history.undone = copyHistoryArray(this.history.undone, splitIds); - } - }, - iterLinkedDocs: function(f) {linkedDocs(this, f);}, - - getMode: function() {return this.mode}, - getEditor: function() {return this.cm}, - - splitLines: function(str) { - if (this.lineSep) { return str.split(this.lineSep) } - return splitLinesAuto(str) - }, - lineSeparator: function() { return this.lineSep || "\n" }, - - setDirection: docMethodOp(function (dir) { - if (dir != "rtl") { dir = "ltr"; } - if (dir == this.direction) { return } - this.direction = dir; - this.iter(function (line) { return line.order = null; }); - if (this.cm) { directionChanged(this.cm); } - }) - }); - - // Public alias. - Doc.prototype.eachLine = Doc.prototype.iter; - - // Kludge to work around strange IE behavior where it'll sometimes - // re-fire a series of drag-related events right after the drop (#1551) - var lastDrop = 0; - - function onDrop(e) { - var cm = this; - clearDragCursor(cm); - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - { return } - e_preventDefault(e); - if (ie) { lastDrop = +new Date; } - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || cm.isReadOnly()) { return } - // Might be a file drop, in which case we simply extract the text - // and insert it. - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var markAsReadAndPasteIfAllFilesAreRead = function () { - if (++read == n) { - operation(cm, function () { - pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, - text: cm.doc.splitLines( - text.filter(function (t) { return t != null; }).join(cm.doc.lineSeparator())), - origin: "paste"}; - makeChange(cm.doc, change); - setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change)))); - })(); - } - }; - var readTextFromFile = function (file, i) { - if (cm.options.allowDropFileTypes && - indexOf(cm.options.allowDropFileTypes, file.type) == -1) { - markAsReadAndPasteIfAllFilesAreRead(); - return - } - var reader = new FileReader; - reader.onerror = function () { return markAsReadAndPasteIfAllFilesAreRead(); }; - reader.onload = function () { - var content = reader.result; - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { - markAsReadAndPasteIfAllFilesAreRead(); - return - } - text[i] = content; - markAsReadAndPasteIfAllFilesAreRead(); - }; - reader.readAsText(file); - }; - for (var i = 0; i < files.length; i++) { readTextFromFile(files[i], i); } - } else { // Normal drop - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { - cm.state.draggingText(e); - // Ensure the editor is re-focused - setTimeout(function () { return cm.display.input.focus(); }, 20); - return - } - try { - var text$1 = e.dataTransfer.getData("Text"); - if (text$1) { - var selected; - if (cm.state.draggingText && !cm.state.draggingText.copy) - { selected = cm.listSelections(); } - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); - if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) - { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } } - cm.replaceSelection(text$1, "around", "paste"); - cm.display.input.focus(); - } - } - catch(e$1){} - } - } - - function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } - - e.dataTransfer.setData("Text", cm.getSelection()); - e.dataTransfer.effectAllowed = "copyMove"; - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; - if (presto) { - img.width = img.height = 1; - cm.display.wrapper.appendChild(img); - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop; - } - e.dataTransfer.setDragImage(img, 0, 0); - if (presto) { img.parentNode.removeChild(img); } - } - } - - function onDragOver(cm, e) { - var pos = posFromMouse(cm, e); - if (!pos) { return } - var frag = document.createDocumentFragment(); - drawSelectionCursor(cm, pos, frag); - if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); - } - removeChildrenAndAdd(cm.display.dragCursor, frag); - } - - function clearDragCursor(cm) { - if (cm.display.dragCursor) { - cm.display.lineSpace.removeChild(cm.display.dragCursor); - cm.display.dragCursor = null; - } - } - - // These must be handled carefully, because naively registering a - // handler for each editor will cause the editors to never be - // garbage collected. - - function forEachCodeMirror(f) { - if (!document.getElementsByClassName) { return } - var byClass = document.getElementsByClassName("CodeMirror"), editors = []; - for (var i = 0; i < byClass.length; i++) { - var cm = byClass[i].CodeMirror; - if (cm) { editors.push(cm); } - } - if (editors.length) { editors[0].operation(function () { - for (var i = 0; i < editors.length; i++) { f(editors[i]); } - }); } - } - - var globalsRegistered = false; - function ensureGlobalHandlers() { - if (globalsRegistered) { return } - registerGlobalHandlers(); - globalsRegistered = true; - } - function registerGlobalHandlers() { - // When the window resizes, we need to refresh active editors. - var resizeTimer; - on(window, "resize", function () { - if (resizeTimer == null) { resizeTimer = setTimeout(function () { - resizeTimer = null; - forEachCodeMirror(onResize); - }, 100); } - }); - // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function () { return forEachCodeMirror(onBlur); }); - } - // Called when the window resizes - function onResize(cm) { - var d = cm.display; - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - d.scrollbarsClipped = false; - cm.setSize(); - } - - var keyNames = { - 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 224: "Mod", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" - }; - - // Number keys - for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); } - // Alphabetic keys - for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); } - // Function keys - for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; } - - var keyMap = {}; - - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" - }; - // Note that the save and find-related commands aren't defined by - // default. User code or addons can define them. Unknown commands - // are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - "fallthrough": "basic" - }; - // Very basic readline/emacs-style bindings, which are standard on Mac. - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", - "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", - "Ctrl-T": "transposeChars", "Ctrl-O": "openLine" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - "fallthrough": ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - - // KEYMAP DISPATCH - - function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/); - name = parts[parts.length - 1]; - var alt, ctrl, shift, cmd; - for (var i = 0; i < parts.length - 1; i++) { - var mod = parts[i]; - if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; } - else if (/^a(lt)?$/i.test(mod)) { alt = true; } - else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; } - else if (/^s(hift)?$/i.test(mod)) { shift = true; } - else { throw new Error("Unrecognized modifier name: " + mod) } - } - if (alt) { name = "Alt-" + name; } - if (ctrl) { name = "Ctrl-" + name; } - if (cmd) { name = "Cmd-" + name; } - if (shift) { name = "Shift-" + name; } - return name - } - - // This is a kludge to keep keymaps mostly working as raw objects - // (backwards compatibility) while at the same time support features - // like normalization and multi-stroke key bindings. It compiles a - // new normalized keymap, and then updates the old object to reflect - // this. - function normalizeKeyMap(keymap) { - var copy = {}; - for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname]; - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } - if (value == "...") { delete keymap[keyname]; continue } - - var keys = map(keyname.split(" "), normalizeKeyName); - for (var i = 0; i < keys.length; i++) { - var val = (void 0), name = (void 0); - if (i == keys.length - 1) { - name = keys.join(" "); - val = value; - } else { - name = keys.slice(0, i + 1).join(" "); - val = "..."; - } - var prev = copy[name]; - if (!prev) { copy[name] = val; } - else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } - } - delete keymap[keyname]; - } } - for (var prop in copy) { keymap[prop] = copy[prop]; } - return keymap - } - - function lookupKey(key, map, handle, context) { - map = getKeyMap(map); - var found = map.call ? map.call(key, context) : map[key]; - if (found === false) { return "nothing" } - if (found === "...") { return "multi" } - if (found != null && handle(found)) { return "handled" } - - if (map.fallthrough) { - if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") - { return lookupKey(key, map.fallthrough, handle, context) } - for (var i = 0; i < map.fallthrough.length; i++) { - var result = lookupKey(key, map.fallthrough[i], handle, context); - if (result) { return result } - } - } - } - - // Modifier key presses don't count as 'real' key presses for the - // purpose of keymap fallthrough. - function isModifierKey(value) { - var name = typeof value == "string" ? value : keyNames[value.keyCode]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" - } - - function addModifierNames(name, event, noShift) { - var base = name; - if (event.altKey && base != "Alt") { name = "Alt-" + name; } - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; } - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Mod") { name = "Cmd-" + name; } - if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; } - return name - } - - // Look up the name of a key as indicated by an event object. - function keyName(event, noShift) { - if (presto && event.keyCode == 34 && event["char"]) { return false } - var name = keyNames[event.keyCode]; - if (name == null || event.altGraphKey) { return false } - // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause, - // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+) - if (event.keyCode == 3 && event.code) { name = event.code; } - return addModifierNames(name, event, noShift) - } - - function getKeyMap(val) { - return typeof val == "string" ? keyMap[val] : val - } - - // Helper for deleting text near the selection(s), used to implement - // backspace, delete, and similar functionality. - function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = []; - // Build up a set of ranges to kill first, merging overlapping - // ranges. - for (var i = 0; i < ranges.length; i++) { - var toKill = compute(ranges[i]); - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { - var replaced = kill.pop(); - if (cmp(replaced.from, toKill.from) < 0) { - toKill.from = replaced.from; - break - } - } - kill.push(toKill); - } - // Next, remove those actual ranges. - runInOp(cm, function () { - for (var i = kill.length - 1; i >= 0; i--) - { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); } - ensureCursorVisible(cm); - }); - } - - function moveCharLogically(line, ch, dir) { - var target = skipExtendingChars(line.text, ch + dir, dir); - return target < 0 || target > line.text.length ? null : target - } - - function moveLogically(line, start, dir) { - var ch = moveCharLogically(line, start.ch, dir); - return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before") - } - - function endOfLine(visually, cm, lineObj, lineNo, dir) { - if (visually) { - if (cm.doc.direction == "rtl") { dir = -dir; } - var order = getOrder(lineObj, cm.doc.direction); - if (order) { - var part = dir < 0 ? lst(order) : order[0]; - var moveInStorageOrder = (dir < 0) == (part.level == 1); - var sticky = moveInStorageOrder ? "after" : "before"; - var ch; - // With a wrapped rtl chunk (possibly spanning multiple bidi parts), - // it could be that the last bidi part is not on the last visual line, - // since visual lines contain content order-consecutive chunks. - // Thus, in rtl, we are looking for the first (content-order) character - // in the rtl chunk that is on the last line (that is, the same line - // as the last (content-order) character). - if (part.level > 0 || cm.doc.direction == "rtl") { - var prep = prepareMeasureForLine(cm, lineObj); - ch = dir < 0 ? lineObj.text.length - 1 : 0; - var targetTop = measureCharPrepared(cm, prep, ch).top; - ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch); - if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); } - } else { ch = dir < 0 ? part.to : part.from; } - return new Pos(lineNo, ch, sticky) - } - } - return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after") - } - - function moveVisually(cm, line, start, dir) { - var bidi = getOrder(line, cm.doc.direction); - if (!bidi) { return moveLogically(line, start, dir) } - if (start.ch >= line.text.length) { - start.ch = line.text.length; - start.sticky = "before"; - } else if (start.ch <= 0) { - start.ch = 0; - start.sticky = "after"; - } - var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]; - if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) { - // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines, - // nothing interesting happens. - return moveLogically(line, start, dir) - } - - var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }; - var prep; - var getWrappedLineExtent = function (ch) { - if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} } - prep = prep || prepareMeasureForLine(cm, line); - return wrappedLineExtentChar(cm, line, prep, ch) - }; - var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch); - - if (cm.doc.direction == "rtl" || part.level == 1) { - var moveInStorageOrder = (part.level == 1) == (dir < 0); - var ch = mv(start, moveInStorageOrder ? 1 : -1); - if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) { - // Case 2: We move within an rtl part or in an rtl editor on the same visual line - var sticky = moveInStorageOrder ? "before" : "after"; - return new Pos(start.line, ch, sticky) - } - } - - // Case 3: Could not move within this bidi part in this visual line, so leave - // the current bidi part - - var searchInVisualLine = function (partPos, dir, wrappedLineExtent) { - var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder - ? new Pos(start.line, mv(ch, 1), "before") - : new Pos(start.line, ch, "after"); }; - - for (; partPos >= 0 && partPos < bidi.length; partPos += dir) { - var part = bidi[partPos]; - var moveInStorageOrder = (dir > 0) == (part.level != 1); - var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1); - if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) } - ch = moveInStorageOrder ? part.from : mv(part.to, -1); - if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) } - } - }; - - // Case 3a: Look for other bidi parts on the same visual line - var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent); - if (res) { return res } - - // Case 3b: Look for other bidi parts on the next visual line - var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1); - if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) { - res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh)); - if (res) { return res } - } - - // Case 4: Nowhere to move - return null - } - - // Commands are parameter-less actions that can be performed on an - // editor, mostly used for keybindings. - var commands = { - selectAll: selectAll, - singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, - killLine: function (cm) { return deleteNearSelection(cm, function (range) { - if (range.empty()) { - var len = getLine(cm.doc, range.head.line).text.length; - if (range.head.ch == len && range.head.line < cm.lastLine()) - { return {from: range.head, to: Pos(range.head.line + 1, 0)} } - else - { return {from: range.head, to: Pos(range.head.line, len)} } - } else { - return {from: range.from(), to: range.to()} - } - }); }, - deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ - from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) - }); }); }, - delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ - from: Pos(range.from().line, 0), to: range.from() - }); }); }, - delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { - var top = cm.charCoords(range.head, "div").top + 5; - var leftPos = cm.coordsChar({left: 0, top: top}, "div"); - return {from: leftPos, to: range.from()} - }); }, - delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { - var top = cm.charCoords(range.head, "div").top + 5; - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - return {from: range.from(), to: rightPos } - }); }, - undo: function (cm) { return cm.undo(); }, - redo: function (cm) { return cm.redo(); }, - undoSelection: function (cm) { return cm.undoSelection(); }, - redoSelection: function (cm) { return cm.redoSelection(); }, - goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, - goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, - goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1} - ); }, - goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, - {origin: "+move", bias: 1} - ); }, - goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1} - ); }, - goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.cursorCoords(range.head, "div").top + 5; - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") - }, sel_move); }, - goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.cursorCoords(range.head, "div").top + 5; - return cm.coordsChar({left: 0, top: top}, "div") - }, sel_move); }, - goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { - var top = cm.cursorCoords(range.head, "div").top + 5; - var pos = cm.coordsChar({left: 0, top: top}, "div"); - if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } - return pos - }, sel_move); }, - goLineUp: function (cm) { return cm.moveV(-1, "line"); }, - goLineDown: function (cm) { return cm.moveV(1, "line"); }, - goPageUp: function (cm) { return cm.moveV(-1, "page"); }, - goPageDown: function (cm) { return cm.moveV(1, "page"); }, - goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, - goCharRight: function (cm) { return cm.moveH(1, "char"); }, - goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, - goColumnRight: function (cm) { return cm.moveH(1, "column"); }, - goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, - goGroupRight: function (cm) { return cm.moveH(1, "group"); }, - goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, - goWordRight: function (cm) { return cm.moveH(1, "word"); }, - delCharBefore: function (cm) { return cm.deleteH(-1, "codepoint"); }, - delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, - delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, - delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, - delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, - delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, - indentAuto: function (cm) { return cm.indentSelection("smart"); }, - indentMore: function (cm) { return cm.indentSelection("add"); }, - indentLess: function (cm) { return cm.indentSelection("subtract"); }, - insertTab: function (cm) { return cm.replaceSelection("\t"); }, - insertSoftTab: function (cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].from(); - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(spaceStr(tabSize - col % tabSize)); - } - cm.replaceSelections(spaces); - }, - defaultTab: function (cm) { - if (cm.somethingSelected()) { cm.indentSelection("add"); } - else { cm.execCommand("insertTab"); } - }, - // Swap the two chars left and right of each selection's head. - // Move cursor behind the two swapped characters afterwards. - // - // Doesn't consider line feeds a character. - // Doesn't scan more than one line above to find a character. - // Doesn't do anything on an empty line. - // Doesn't do anything with non-empty selections. - transposeChars: function (cm) { return runInOp(cm, function () { - var ranges = cm.listSelections(), newSel = []; - for (var i = 0; i < ranges.length; i++) { - if (!ranges[i].empty()) { continue } - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; - if (line) { - if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); } - if (cur.ch > 0) { - cur = new Pos(cur.line, cur.ch + 1); - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose"); - } else if (cur.line > cm.doc.first) { - var prev = getLine(cm.doc, cur.line - 1).text; - if (prev) { - cur = new Pos(cur.line, 1); - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), cur, "+transpose"); - } - } - } - newSel.push(new Range(cur, cur)); - } - cm.setSelections(newSel); - }); }, - newlineAndIndent: function (cm) { return runInOp(cm, function () { - var sels = cm.listSelections(); - for (var i = sels.length - 1; i >= 0; i--) - { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); } - sels = cm.listSelections(); - for (var i$1 = 0; i$1 < sels.length; i$1++) - { cm.indentLine(sels[i$1].from().line, null, true); } - ensureCursorVisible(cm); - }); }, - openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, - toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } - }; - - - function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLine(line); - if (visual != line) { lineN = lineNo(visual); } - return endOfLine(true, cm, visual, lineN, 1) - } - function lineEnd(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLineEnd(line); - if (visual != line) { lineN = lineNo(visual); } - return endOfLine(true, cm, line, lineN, -1) - } - function lineStartSmart(cm, pos) { - var start = lineStart(cm, pos.line); - var line = getLine(cm.doc, start.line); - var order = getOrder(line, cm.doc.direction); - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(start.ch, line.text.search(/\S/)); - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; - return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky) - } - return start - } - - // Run a handler that was bound to a key. - function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) { return false } - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - cm.display.input.ensurePolled(); - var prevShift = cm.display.shift, done = false; - try { - if (cm.isReadOnly()) { cm.state.suppressEdits = true; } - if (dropShift) { cm.display.shift = false; } - done = bound(cm) != Pass; - } finally { - cm.display.shift = prevShift; - cm.state.suppressEdits = false; - } - return done - } - - function lookupKeyForEditor(cm, name, handle) { - for (var i = 0; i < cm.state.keyMaps.length; i++) { - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); - if (result) { return result } - } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm) - } - - // Note that, despite the name, this function is also used to check - // for bound mouse clicks. - - var stopSeq = new Delayed; - - function dispatchKey(cm, name, e, handle) { - var seq = cm.state.keySeq; - if (seq) { - if (isModifierKey(name)) { return "handled" } - if (/\'$/.test(name)) - { cm.state.keySeq = null; } - else - { stopSeq.set(50, function () { - if (cm.state.keySeq == seq) { - cm.state.keySeq = null; - cm.display.input.reset(); - } - }); } - if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true } - } - return dispatchKeyInner(cm, name, e, handle) - } - - function dispatchKeyInner(cm, name, e, handle) { - var result = lookupKeyForEditor(cm, name, handle); - - if (result == "multi") - { cm.state.keySeq = name; } - if (result == "handled") - { signalLater(cm, "keyHandled", cm, name, e); } - - if (result == "handled" || result == "multi") { - e_preventDefault(e); - restartBlink(cm); - } - - return !!result - } - - // Handle a key from the keydown event. - function handleKeyBinding(cm, e) { - var name = keyName(e, true); - if (!name) { return false } - - if (e.shiftKey && !cm.state.keySeq) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) - || dispatchKey(cm, name, e, function (b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - { return doHandleBinding(cm, b) } - }) - } else { - return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) - } - } - - // Handle a key from the keypress event - function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) - } - - var lastStoppedKey = null; - function onKeyDown(e) { - var cm = this; - if (e.target && e.target != cm.display.input.getField()) { return } - cm.curOp.focus = activeElt(root(cm)); - if (signalDOMEvent(cm, e)) { return } - // IE does strange things with escape. - if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; } - var code = e.keyCode; - cm.display.shift = code == 16 || e.shiftKey; - var handled = handleKeyBinding(cm, e); - if (presto) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - { cm.replaceSelection("", null, "cut"); } - } - if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand) - { document.execCommand("cut"); } - - // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) - { showCrossHair(cm); } - } - - function showCrossHair(cm) { - var lineDiv = cm.display.lineDiv; - addClass(lineDiv, "CodeMirror-crosshair"); - - function up(e) { - if (e.keyCode == 18 || !e.altKey) { - rmClass(lineDiv, "CodeMirror-crosshair"); - off(document, "keyup", up); - off(document, "mouseover", up); - } - } - on(document, "keyup", up); - on(document, "mouseover", up); - } - - function onKeyUp(e) { - if (e.keyCode == 16) { this.doc.sel.shift = false; } - signalDOMEvent(this, e); - } - - function onKeyPress(e) { - var cm = this; - if (e.target && e.target != cm.display.input.getField()) { return } - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } - var keyCode = e.keyCode, charCode = e.charCode; - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - // Some browsers fire keypress events for backspace - if (ch == "\x08") { return } - if (handleCharBinding(cm, e, ch)) { return } - cm.display.input.onKeyPress(e); - } - - var DOUBLECLICK_DELAY = 400; - - var PastClick = function(time, pos, button) { - this.time = time; - this.pos = pos; - this.button = button; - }; - - PastClick.prototype.compare = function (time, pos, button) { - return this.time + DOUBLECLICK_DELAY > time && - cmp(pos, this.pos) == 0 && button == this.button - }; - - var lastClick, lastDoubleClick; - function clickRepeat(pos, button) { - var now = +new Date; - if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) { - lastClick = lastDoubleClick = null; - return "triple" - } else if (lastClick && lastClick.compare(now, pos, button)) { - lastDoubleClick = new PastClick(now, pos, button); - lastClick = null; - return "double" - } else { - lastClick = new PastClick(now, pos, button); - lastDoubleClick = null; - return "single" - } - } - - // A mouse down can be a single click, double click, triple click, - // start of selection drag, start of text drag, new cursor - // (ctrl-click), rectangle drag (alt-drag), or xwin - // middle-click-paste. Or it might be a click on something we should - // not interfere with, such as a scrollbar or widget. - function onMouseDown(e) { - var cm = this, display = cm.display; - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } - display.input.ensurePolled(); - display.shift = e.shiftKey; - - if (eventInWidget(display, e)) { - if (!webkit) { - // Briefly turn off draggability, to allow widgets to do - // normal dragging things. - display.scroller.draggable = false; - setTimeout(function () { return display.scroller.draggable = true; }, 100); - } - return - } - if (clickInGutter(cm, e)) { return } - var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single"; - win(cm).focus(); - - // #3261: make sure, that we're not starting a second selection - if (button == 1 && cm.state.selectingText) - { cm.state.selectingText(e); } - - if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return } - - if (button == 1) { - if (pos) { leftButtonDown(cm, pos, repeat, e); } - else if (e_target(e) == display.scroller) { e_preventDefault(e); } - } else if (button == 2) { - if (pos) { extendSelection(cm.doc, pos); } - setTimeout(function () { return display.input.focus(); }, 20); - } else if (button == 3) { - if (captureRightClick) { cm.display.input.onContextMenu(e); } - else { delayBlurEvent(cm); } - } - } - - function handleMappedButton(cm, button, pos, repeat, event) { - var name = "Click"; - if (repeat == "double") { name = "Double" + name; } - else if (repeat == "triple") { name = "Triple" + name; } - name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name; - - return dispatchKey(cm, addModifierNames(name, event), event, function (bound) { - if (typeof bound == "string") { bound = commands[bound]; } - if (!bound) { return false } - var done = false; - try { - if (cm.isReadOnly()) { cm.state.suppressEdits = true; } - done = bound(cm, pos) != Pass; - } finally { - cm.state.suppressEdits = false; - } - return done - }) - } - - function configureMouse(cm, repeat, event) { - var option = cm.getOption("configureMouse"); - var value = option ? option(cm, repeat, event) : {}; - if (value.unit == null) { - var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey; - value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line"; - } - if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; } - if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; } - if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); } - return value - } - - function leftButtonDown(cm, pos, repeat, event) { - if (ie) { setTimeout(bind(ensureFocus, cm), 0); } - else { cm.curOp.focus = activeElt(root(cm)); } - - var behavior = configureMouse(cm, repeat, event); - - var sel = cm.doc.sel, contained; - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && - repeat == "single" && (contained = sel.contains(pos)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && - (cmp(contained.to(), pos) > 0 || pos.xRel < 0)) - { leftButtonStartDrag(cm, event, pos, behavior); } - else - { leftButtonSelect(cm, event, pos, behavior); } - } - - // Start a text drag. When it ends, see if any dragging actually - // happen, and treat as a click if it didn't. - function leftButtonStartDrag(cm, event, pos, behavior) { - var display = cm.display, moved = false; - var dragEnd = operation(cm, function (e) { - if (webkit) { display.scroller.draggable = false; } - cm.state.draggingText = false; - if (cm.state.delayingBlurEvent) { - if (cm.hasFocus()) { cm.state.delayingBlurEvent = false; } - else { delayBlurEvent(cm); } - } - off(display.wrapper.ownerDocument, "mouseup", dragEnd); - off(display.wrapper.ownerDocument, "mousemove", mouseMove); - off(display.scroller, "dragstart", dragStart); - off(display.scroller, "drop", dragEnd); - if (!moved) { - e_preventDefault(e); - if (!behavior.addNew) - { extendSelection(cm.doc, pos, null, null, behavior.extend); } - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if ((webkit && !safari) || ie && ie_version == 9) - { setTimeout(function () {display.wrapper.ownerDocument.body.focus({preventScroll: true}); display.input.focus();}, 20); } - else - { display.input.focus(); } - } - }); - var mouseMove = function(e2) { - moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10; - }; - var dragStart = function () { return moved = true; }; - // Let the drag handler handle this. - if (webkit) { display.scroller.draggable = true; } - cm.state.draggingText = dragEnd; - dragEnd.copy = !behavior.moveOnDrag; - on(display.wrapper.ownerDocument, "mouseup", dragEnd); - on(display.wrapper.ownerDocument, "mousemove", mouseMove); - on(display.scroller, "dragstart", dragStart); - on(display.scroller, "drop", dragEnd); - - cm.state.delayingBlurEvent = true; - setTimeout(function () { return display.input.focus(); }, 20); - // IE's approach to draggable - if (display.scroller.dragDrop) { display.scroller.dragDrop(); } - } - - function rangeForUnit(cm, pos, unit) { - if (unit == "char") { return new Range(pos, pos) } - if (unit == "word") { return cm.findWordAt(pos) } - if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } - var result = unit(cm, pos); - return new Range(result.from, result.to) - } - - // Normal selection, as opposed to text dragging. - function leftButtonSelect(cm, event, start, behavior) { - if (ie) { delayBlurEvent(cm); } - var display = cm.display, doc = cm.doc; - e_preventDefault(event); - - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; - if (behavior.addNew && !behavior.extend) { - ourIndex = doc.sel.contains(start); - if (ourIndex > -1) - { ourRange = ranges[ourIndex]; } - else - { ourRange = new Range(start, start); } - } else { - ourRange = doc.sel.primary(); - ourIndex = doc.sel.primIndex; - } - - if (behavior.unit == "rectangle") { - if (!behavior.addNew) { ourRange = new Range(start, start); } - start = posFromMouse(cm, event, true, true); - ourIndex = -1; - } else { - var range = rangeForUnit(cm, start, behavior.unit); - if (behavior.extend) - { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); } - else - { ourRange = range; } - } - - if (!behavior.addNew) { - ourIndex = 0; - setSelection(doc, new Selection([ourRange], 0), sel_mouse); - startSel = doc.sel; - } else if (ourIndex == -1) { - ourIndex = ranges.length; - setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}); - } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { - setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}); - startSel = doc.sel; - } else { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); - } - - var lastPos = start; - function extendTo(pos) { - if (cmp(lastPos, pos) == 0) { return } - lastPos = pos; - - if (behavior.unit == "rectangle") { - var ranges = [], tabSize = cm.options.tabSize; - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); - if (left == right) - { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); } - else if (text.length > leftPos) - { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } - } - if (!ranges.length) { ranges.push(new Range(start, start)); } - setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}); - cm.scrollIntoView(pos); - } else { - var oldRange = ourRange; - var range = rangeForUnit(cm, pos, behavior.unit); - var anchor = oldRange.anchor, head; - if (cmp(range.anchor, anchor) > 0) { - head = range.head; - anchor = minPos(oldRange.from(), range.anchor); - } else { - head = range.anchor; - anchor = maxPos(oldRange.to(), range.head); - } - var ranges$1 = startSel.ranges.slice(0); - ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head)); - setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse); - } - } - - var editorSize = display.wrapper.getBoundingClientRect(); - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0; - - function extend(e) { - var curCount = ++counter; - var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle"); - if (!cur) { return } - if (cmp(cur, lastPos) != 0) { - cm.curOp.focus = activeElt(root(cm)); - extendTo(cur); - var visible = visibleLines(display, doc); - if (cur.line >= visible.to || cur.line < visible.from) - { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); } - } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) { setTimeout(operation(cm, function () { - if (counter != curCount) { return } - display.scroller.scrollTop += outside; - extend(e); - }), 50); } - } - } - - function done(e) { - cm.state.selectingText = false; - counter = Infinity; - // If e is null or undefined we interpret this as someone trying - // to explicitly cancel the selection rather than the user - // letting go of the mouse button. - if (e) { - e_preventDefault(e); - display.input.focus(); - } - off(display.wrapper.ownerDocument, "mousemove", move); - off(display.wrapper.ownerDocument, "mouseup", up); - doc.history.lastSelOrigin = null; - } - - var move = operation(cm, function (e) { - if (e.buttons === 0 || !e_button(e)) { done(e); } - else { extend(e); } - }); - var up = operation(cm, done); - cm.state.selectingText = up; - on(display.wrapper.ownerDocument, "mousemove", move); - on(display.wrapper.ownerDocument, "mouseup", up); - } - - // Used when mouse-selecting to adjust the anchor to the proper side - // of a bidi jump depending on the visual position of the head. - function bidiSimplify(cm, range) { - var anchor = range.anchor; - var head = range.head; - var anchorLine = getLine(cm.doc, anchor.line); - if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range } - var order = getOrder(anchorLine); - if (!order) { return range } - var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index]; - if (part.from != anchor.ch && part.to != anchor.ch) { return range } - var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1); - if (boundary == 0 || boundary == order.length) { return range } - - // Compute the relative visual position of the head compared to the - // anchor (<0 is to the left, >0 to the right) - var leftSide; - if (head.line != anchor.line) { - leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0; - } else { - var headIndex = getBidiPartAt(order, head.ch, head.sticky); - var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1); - if (headIndex == boundary - 1 || headIndex == boundary) - { leftSide = dir < 0; } - else - { leftSide = dir > 0; } - } - - var usePart = order[boundary + (leftSide ? -1 : 0)]; - var from = leftSide == (usePart.level == 1); - var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before"; - return anchor.ch == ch && anchor.sticky == sticky ? range : new Range(new Pos(anchor.line, ch, sticky), head) - } - - - // Determines whether an event happened in the gutter, and fires the - // handlers for the corresponding event. - function gutterEvent(cm, e, type, prevent) { - var mX, mY; - if (e.touches) { - mX = e.touches[0].clientX; - mY = e.touches[0].clientY; - } else { - try { mX = e.clientX; mY = e.clientY; } - catch(e$1) { return false } - } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } - if (prevent) { e_preventDefault(e); } - - var display = cm.display; - var lineBox = display.lineDiv.getBoundingClientRect(); - - if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } - mY -= lineBox.top - display.viewOffset; - - for (var i = 0; i < cm.display.gutterSpecs.length; ++i) { - var g = display.gutters.childNodes[i]; - if (g && g.getBoundingClientRect().right >= mX) { - var line = lineAtHeight(cm.doc, mY); - var gutter = cm.display.gutterSpecs[i]; - signal(cm, type, cm, line, gutter.className, e); - return e_defaultPrevented(e) - } - } - } - - function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true) - } - - // CONTEXT MENU HANDLING - - // To make the context menu work, we need to briefly unhide the - // textarea (making it as unobtrusive as possible) to let the - // right-click take effect on it. - function onContextMenu(cm, e) { - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } - if (signalDOMEvent(cm, e, "contextmenu")) { return } - if (!captureRightClick) { cm.display.input.onContextMenu(e); } - } - - function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) { return false } - return gutterEvent(cm, e, "gutterContextMenu", false) - } - - function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - clearCaches(cm); - } - - var Init = {toString: function(){return "CodeMirror.Init"}}; - - var defaults = {}; - var optionHandlers = {}; - - function defineOptions(CodeMirror) { - var optionHandlers = CodeMirror.optionHandlers; - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt; - if (handle) { optionHandlers[name] = - notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; } - } - - CodeMirror.defineOption = option; - - // Passed to option handlers when there is no old value. - CodeMirror.Init = Init; - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function (cm, val) { return cm.setValue(val); }, true); - option("mode", null, function (cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); - - option("indentUnit", 2, loadMode, true); - option("indentWithTabs", false); - option("smartIndent", true); - option("tabSize", 4, function (cm) { - resetModeState(cm); - clearCaches(cm); - regChange(cm); - }, true); - - option("lineSeparator", null, function (cm, val) { - cm.doc.lineSep = val; - if (!val) { return } - var newBreaks = [], lineNo = cm.doc.first; - cm.doc.iter(function (line) { - for (var pos = 0;;) { - var found = line.text.indexOf(val, pos); - if (found == -1) { break } - pos = found + val.length; - newBreaks.push(Pos(lineNo, found)); - } - lineNo++; - }); - for (var i = newBreaks.length - 1; i >= 0; i--) - { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); } - }); - option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\u202d\u202e\u2066\u2067\u2069\ufeff\ufff9-\ufffc]/g, function (cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - if (old != Init) { cm.refresh(); } - }); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true); - option("electricChars", true); - option("inputStyle", mobile ? "contenteditable" : "textarea", function () { - throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME - }, true); - option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true); - option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true); - option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true); - option("rtlMoveVisually", !windows); - option("wholeLineUpdateBefore", true); - - option("theme", "default", function (cm) { - themeChanged(cm); - updateGutters(cm); - }, true); - option("keyMap", "default", function (cm, val, old) { - var next = getKeyMap(val); - var prev = old != Init && getKeyMap(old); - if (prev && prev.detach) { prev.detach(cm, next); } - if (next.attach) { next.attach(cm, prev || null); } - }); - option("extraKeys", null); - option("configureMouse", null); - - option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function (cm, val) { - cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers); - updateGutters(cm); - }, true); - option("fixedGutter", true, function (cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true); - option("scrollbarStyle", "native", function (cm) { - initScrollbars(cm); - updateScrollbars(cm); - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); - }, true); - option("lineNumbers", false, function (cm, val) { - cm.display.gutterSpecs = getGutters(cm.options.gutters, val); - updateGutters(cm); - }, true); - option("firstLineNumber", 1, updateGutters, true); - option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true); - option("showCursorWhenSelecting", false, updateSelection, true); - - option("resetSelectionOnContextMenu", true); - option("lineWiseCopyCut", true); - option("pasteLinesPerSelection", true); - option("selectionsMayTouch", false); - - option("readOnly", false, function (cm, val) { - if (val == "nocursor") { - onBlur(cm); - cm.display.input.blur(); - } - cm.display.input.readOnlyChanged(val); - }); - - option("screenReaderLabel", null, function (cm, val) { - val = (val === '') ? null : val; - cm.display.input.screenReaderLabelChanged(val); - }); - - option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true); - option("dragDrop", true, dragDropChanged); - option("allowDropFileTypes", null); - - option("cursorBlinkRate", 530); - option("cursorScrollMargin", 0); - option("cursorHeight", 1, updateSelection, true); - option("singleCursorHeightPerLine", true, updateSelection, true); - option("workTime", 100); - option("workDelay", 100); - option("flattenSpans", true, resetModeState, true); - option("addModeClass", false, resetModeState, true); - option("pollInterval", 100); - option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }); - option("historyEventDelay", 1250); - option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true); - option("maxHighlightLength", 10000, resetModeState, true); - option("moveInputWithCursor", true, function (cm, val) { - if (!val) { cm.display.input.resetPosition(); } - }); - - option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }); - option("autofocus", null); - option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true); - option("phrases", null); - } - - function dragDropChanged(cm, value, old) { - var wasOn = old && old != Init; - if (!value != !wasOn) { - var funcs = cm.display.dragFunctions; - var toggle = value ? on : off; - toggle(cm.display.scroller, "dragstart", funcs.start); - toggle(cm.display.scroller, "dragenter", funcs.enter); - toggle(cm.display.scroller, "dragover", funcs.over); - toggle(cm.display.scroller, "dragleave", funcs.leave); - toggle(cm.display.scroller, "drop", funcs.drop); - } - } - - function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - addClass(cm.display.wrapper, "CodeMirror-wrap"); - cm.display.sizer.style.minWidth = ""; - cm.display.sizerWidth = null; - } else { - rmClass(cm.display.wrapper, "CodeMirror-wrap"); - findMaxLine(cm); - } - estimateLineHeights(cm); - regChange(cm); - clearCaches(cm); - setTimeout(function () { return updateScrollbars(cm); }, 100); - } - - // A CodeMirror instance represents an editor. This is the object - // that user code is usually dealing with. - - function CodeMirror(place, options) { - var this$1 = this; - - if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } - - this.options = options = options ? copyObj(options) : {}; - // Determine effective options based on given values and defaults. - copyObj(defaults, options, false); - - var doc = options.value; - if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); } - else if (options.mode) { doc.modeOption = options.mode; } - this.doc = doc; - - var input = new CodeMirror.inputStyles[options.inputStyle](this); - var display = this.display = new Display(place, doc, input, options); - display.wrapper.CodeMirror = this; - themeChanged(this); - if (options.lineWrapping) - { this.display.wrapper.className += " CodeMirror-wrap"; } - initScrollbars(this); - - this.state = { - keyMaps: [], // stores maps added by addKeyMap - overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, - delayingBlurEvent: false, - focused: false, - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll - selectingText: false, - draggingText: false, - highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null - }; - - if (options.autofocus && !mobile) { display.input.focus(); } - - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); } - - registerEventHandlers(this); - ensureGlobalHandlers(); - - startOperation(this); - this.curOp.forceUpdate = true; - attachDoc(this, doc); - - if ((options.autofocus && !mobile) || this.hasFocus()) - { setTimeout(function () { - if (this$1.hasFocus() && !this$1.state.focused) { onFocus(this$1); } - }, 20); } - else - { onBlur(this); } - - for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) - { optionHandlers[opt](this, options[opt], Init); } } - maybeUpdateLineNumberWidth(this); - if (options.finishInit) { options.finishInit(this); } - for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this); } - endOperation(this); - // Suppress optimizelegibility in Webkit, since it breaks text - // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") - { display.lineDiv.style.textRendering = "auto"; } - } - - // The default configuration options. - CodeMirror.defaults = defaults; - // Functions to run when options are changed. - CodeMirror.optionHandlers = optionHandlers; - - // Attach the necessary event handlers when initializing the editor - function registerEventHandlers(cm) { - var d = cm.display; - on(d.scroller, "mousedown", operation(cm, onMouseDown)); - // Older IE's will not fire a second mousedown for a double click - if (ie && ie_version < 11) - { on(d.scroller, "dblclick", operation(cm, function (e) { - if (signalDOMEvent(cm, e)) { return } - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } - e_preventDefault(e); - var word = cm.findWordAt(pos); - extendSelection(cm.doc, word.anchor, word.head); - })); } - else - { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); } - // Some browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for these browsers. - on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); - on(d.input.getField(), "contextmenu", function (e) { - if (!d.scroller.contains(e.target)) { onContextMenu(cm, e); } - }); - - // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0}; - function finishTouch() { - if (d.activeTouch) { - touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000); - prevTouch = d.activeTouch; - prevTouch.end = +new Date; - } - } - function isMouseLikeTouchEvent(e) { - if (e.touches.length != 1) { return false } - var touch = e.touches[0]; - return touch.radiusX <= 1 && touch.radiusY <= 1 - } - function farAway(touch, other) { - if (other.left == null) { return true } - var dx = other.left - touch.left, dy = other.top - touch.top; - return dx * dx + dy * dy > 20 * 20 - } - on(d.scroller, "touchstart", function (e) { - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) { - d.input.ensurePolled(); - clearTimeout(touchFinished); - var now = +new Date; - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null}; - if (e.touches.length == 1) { - d.activeTouch.left = e.touches[0].pageX; - d.activeTouch.top = e.touches[0].pageY; - } - } - }); - on(d.scroller, "touchmove", function () { - if (d.activeTouch) { d.activeTouch.moved = true; } - }); - on(d.scroller, "touchend", function (e) { - var touch = d.activeTouch; - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range; - if (!touch.prev || farAway(touch, touch.prev)) // Single tap - { range = new Range(pos, pos); } - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap - { range = cm.findWordAt(pos); } - else // Triple tap - { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); } - cm.setSelection(range.anchor, range.head); - cm.focus(); - e_preventDefault(e); - } - finishTouch(); - }); - on(d.scroller, "touchcancel", finishTouch); - - // Sync scrolling between fake scrollbars and real scrollable - // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function () { - if (d.scroller.clientHeight) { - updateScrollTop(cm, d.scroller.scrollTop); - setScrollLeft(cm, d.scroller.scrollLeft, true); - signal(cm, "scroll", cm); - } - }); - - // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }); - on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }); - - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); - - d.dragFunctions = { - enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }}, - over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, - start: function (e) { return onDragStart(cm, e); }, - drop: operation(cm, onDrop), - leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} - }; - - var inp = d.input.getField(); - on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }); - on(inp, "keydown", operation(cm, onKeyDown)); - on(inp, "keypress", operation(cm, onKeyPress)); - on(inp, "focus", function (e) { return onFocus(cm, e); }); - on(inp, "blur", function (e) { return onBlur(cm, e); }); - } - - var initHooks = []; - CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }; - - // Indent the given line. The how parameter can be "smart", - // "add"/null, "subtract", or "prev". When aggressive is false - // (typically set to true for forced single-line indents), empty - // lines are not indented, and places where the mode returns Pass - // are left alone. - function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state; - if (how == null) { how = "add"; } - if (how == "smart") { - // Fall back to "prev" when the mode doesn't have an indentation - // method. - if (!doc.mode.indent) { how = "prev"; } - else { state = getContextBefore(cm, n).state; } - } - - var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); - if (line.stateAfter) { line.stateAfter = null; } - var curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (!aggressive && !/\S/.test(line.text)) { - indentation = 0; - how = "not"; - } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass || indentation > 150) { - if (!aggressive) { return } - how = "prev"; - } - } - if (how == "prev") { - if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); } - else { indentation = 0; } - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit; - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit; - } else if (typeof how == "number") { - indentation = curSpace + how; - } - indentation = Math.max(0, indentation); - - var indentString = "", pos = 0; - if (cm.options.indentWithTabs) - { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} } - if (pos < indentation) { indentString += spaceStr(indentation - pos); } - - if (indentString != curSpaceString) { - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); - line.stateAfter = null; - return true - } else { - // Ensure that, if the cursor was in the whitespace at the start - // of the line, it is moved to the end of that space. - for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { - var range = doc.sel.ranges[i$1]; - if (range.head.line == n && range.head.ch < curSpaceString.length) { - var pos$1 = Pos(n, curSpaceString.length); - replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)); - break - } - } - } - } - - // This will be set to a {lineWise: bool, text: [string]} object, so - // that, when pasting, we know what kind of selections the copied - // text was made out of. - var lastCopied = null; - - function setLastCopied(newLastCopied) { - lastCopied = newLastCopied; - } - - function applyTextInput(cm, inserted, deleted, sel, origin) { - var doc = cm.doc; - cm.display.shift = false; - if (!sel) { sel = doc.sel; } - - var recent = +new Date - 200; - var paste = origin == "paste" || cm.state.pasteIncoming > recent; - var textLines = splitLinesAuto(inserted), multiPaste = null; - // When pasting N lines into N selections, insert one line per selection - if (paste && sel.ranges.length > 1) { - if (lastCopied && lastCopied.text.join("\n") == inserted) { - if (sel.ranges.length % lastCopied.text.length == 0) { - multiPaste = []; - for (var i = 0; i < lastCopied.text.length; i++) - { multiPaste.push(doc.splitLines(lastCopied.text[i])); } - } - } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) { - multiPaste = map(textLines, function (l) { return [l]; }); - } - } - - var updateInput = cm.curOp.updateInput; - // Normal behavior is to insert the new text into every selection - for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { - var range = sel.ranges[i$1]; - var from = range.from(), to = range.to(); - if (range.empty()) { - if (deleted && deleted > 0) // Handle deletion - { from = Pos(from.line, from.ch - deleted); } - else if (cm.state.overwrite && !paste) // Handle overwrite - { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); } - else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n")) - { from = to = Pos(from.line, 0); } - } - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")}; - makeChange(cm.doc, changeEvent); - signalLater(cm, "inputRead", cm, changeEvent); - } - if (inserted && !paste) - { triggerElectric(cm, inserted); } - - ensureCursorVisible(cm); - if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; } - cm.curOp.typing = true; - cm.state.pasteIncoming = cm.state.cutIncoming = -1; - } - - function handlePaste(e, cm) { - var pasted = e.clipboardData && e.clipboardData.getData("Text"); - if (pasted) { - e.preventDefault(); - if (!cm.isReadOnly() && !cm.options.disableInput && cm.hasFocus()) - { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); } - return true - } - } - - function triggerElectric(cm, inserted) { - // When an 'electric' character is inserted, immediately trigger a reindent - if (!cm.options.electricChars || !cm.options.smartIndent) { return } - var sel = cm.doc.sel; - - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue } - var mode = cm.getModeAt(range.head); - var indented = false; - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indented = indentLine(cm, range.head.line, "smart"); - break - } } - } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) - { indented = indentLine(cm, range.head.line, "smart"); } - } - if (indented) { signalLater(cm, "electricInput", cm, range.head.line); } - } - } - - function copyableRanges(cm) { - var text = [], ranges = []; - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; - ranges.push(lineRange); - text.push(cm.getRange(lineRange.anchor, lineRange.head)); - } - return {text: text, ranges: ranges} - } - - function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) { - field.setAttribute("autocorrect", autocorrect ? "on" : "off"); - field.setAttribute("autocapitalize", autocapitalize ? "on" : "off"); - field.setAttribute("spellcheck", !!spellcheck); - } - - function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; min-height: 1em; outline: none"); - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) { te.style.width = "1000px"; } - else { te.setAttribute("wrap", "off"); } - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) { te.style.border = "1px solid black"; } - return div - } - - // The publicly visible API. Note that methodOp(f) means - // 'wrap f in an operation, performed on its `this` parameter'. - - // This is not the complete set of editor methods. Most of the - // methods defined on the Doc type are also injected into - // CodeMirror.prototype, for backwards compatibility and - // convenience. - - function addEditorMethods(CodeMirror) { - var optionHandlers = CodeMirror.optionHandlers; - - var helpers = CodeMirror.helpers = {}; - - CodeMirror.prototype = { - constructor: CodeMirror, - focus: function(){win(this).focus(); this.display.input.focus();}, - - setOption: function(option, value) { - var options = this.options, old = options[option]; - if (options[option] == value && option != "mode") { return } - options[option] = value; - if (optionHandlers.hasOwnProperty(option)) - { operation(this, optionHandlers[option])(this, value, old); } - signal(this, "optionChange", this, option); - }, - - getOption: function(option) {return this.options[option]}, - getDoc: function() {return this.doc}, - - addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); - }, - removeKeyMap: function(map) { - var maps = this.state.keyMaps; - for (var i = 0; i < maps.length; ++i) - { if (maps[i] == map || maps[i].name == map) { - maps.splice(i, 1); - return true - } } - }, - - addOverlay: methodOp(function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); - if (mode.startState) { throw new Error("Overlays may not be stateful.") } - insertSorted(this.state.overlays, - {mode: mode, modeSpec: spec, opaque: options && options.opaque, - priority: (options && options.priority) || 0}, - function (overlay) { return overlay.priority; }); - this.state.modeGen++; - regChange(this); - }), - removeOverlay: methodOp(function(spec) { - var overlays = this.state.overlays; - for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec; - if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1); - this.state.modeGen++; - regChange(this); - return - } - } - }), - - indentLine: methodOp(function(n, dir, aggressive) { - if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; } - else { dir = dir ? "add" : "subtract"; } - } - if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); } - }), - indentSelection: methodOp(function(how) { - var ranges = this.doc.sel.ranges, end = -1; - for (var i = 0; i < ranges.length; i++) { - var range = ranges[i]; - if (!range.empty()) { - var from = range.from(), to = range.to(); - var start = Math.max(end, from.line); - end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; - for (var j = start; j < end; ++j) - { indentLine(this, j, how); } - var newRanges = this.doc.sel.ranges; - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - { replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } - } else if (range.head.line > end) { - indentLine(this, range.head.line, how, true); - end = range.head.line; - if (i == this.doc.sel.primIndex) { ensureCursorVisible(this); } - } - } - }), - - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { - return takeToken(this, pos, precise) - }, - - getLineTokens: function(line, precise) { - return takeToken(this, Pos(line), precise, true) - }, - - getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos); - var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; - var type; - if (ch == 0) { type = styles[2]; } - else { for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; } - else if (styles[mid * 2 + 1] < ch) { before = mid + 1; } - else { type = styles[mid * 2 + 2]; break } - } } - var cut = type ? type.indexOf("overlay ") : -1; - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) - }, - - getModeAt: function(pos) { - var mode = this.doc.mode; - if (!mode.innerMode) { return mode } - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode - }, - - getHelper: function(pos, type) { - return this.getHelpers(pos, type)[0] - }, - - getHelpers: function(pos, type) { - var found = []; - if (!helpers.hasOwnProperty(type)) { return found } - var help = helpers[type], mode = this.getModeAt(pos); - if (typeof mode[type] == "string") { - if (help[mode[type]]) { found.push(help[mode[type]]); } - } else if (mode[type]) { - for (var i = 0; i < mode[type].length; i++) { - var val = help[mode[type][i]]; - if (val) { found.push(val); } - } - } else if (mode.helperType && help[mode.helperType]) { - found.push(help[mode.helperType]); - } else if (help[mode.name]) { - found.push(help[mode.name]); - } - for (var i$1 = 0; i$1 < help._global.length; i$1++) { - var cur = help._global[i$1]; - if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) - { found.push(cur.val); } - } - return found - }, - - getStateAfter: function(line, precise) { - var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); - return getContextBefore(this, line + 1, precise).state - }, - - cursorCoords: function(start, mode) { - var pos, range = this.doc.sel.primary(); - if (start == null) { pos = range.head; } - else if (typeof start == "object") { pos = clipPos(this.doc, start); } - else { pos = start ? range.from() : range.to(); } - return cursorCoords(this, pos, mode || "page") - }, - - charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page") - }, - - coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page"); - return coordsChar(this, coords.left, coords.top) - }, - - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; - return lineAtHeight(this.doc, height + this.display.viewOffset) - }, - heightAtLine: function(line, mode, includeWidgets) { - var end = false, lineObj; - if (typeof line == "number") { - var last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) { line = this.doc.first; } - else if (line > last) { line = last; end = true; } - lineObj = getLine(this.doc, line); - } else { - lineObj = line; - } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + - (end ? this.doc.height - heightAtLine(lineObj) : 0) - }, - - defaultTextHeight: function() { return textHeight(this.display) }, - defaultCharWidth: function() { return charWidth(this.display) }, - - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, - - addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display; - pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; - node.style.position = "absolute"; - node.setAttribute("cm-ignore-events", "true"); - this.display.input.setUneditable(node); - display.sizer.appendChild(node); - if (vert == "over") { - top = pos.top; - } else if (vert == "above" || vert == "near") { - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); - // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - { top = pos.top - node.offsetHeight; } - else if (pos.bottom + node.offsetHeight <= vspace) - { top = pos.bottom; } - if (left + node.offsetWidth > hspace) - { left = hspace - node.offsetWidth; } - } - node.style.top = top + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") { left = 0; } - else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; } - node.style.left = left + "px"; - } - if (scroll) - { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); } - }, - - triggerOnKeyDown: methodOp(onKeyDown), - triggerOnKeyPress: methodOp(onKeyPress), - triggerOnKeyUp: onKeyUp, - triggerOnMouseDown: methodOp(onMouseDown), - - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - { return commands[cmd].call(null, this) } - }, - - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), - - findPosH: function(from, amount, unit, visually) { - var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } - var cur = clipPos(this.doc, from); - for (var i = 0; i < amount; ++i) { - cur = findPosH(this.doc, cur, dir, unit, visually); - if (cur.hitSide) { break } - } - return cur - }, - - moveH: methodOp(function(dir, unit) { - var this$1 = this; - - this.extendSelectionsBy(function (range) { - if (this$1.display.shift || this$1.doc.extend || range.empty()) - { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) } - else - { return dir < 0 ? range.from() : range.to() } - }, sel_move); - }), - - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc; - if (sel.somethingSelected()) - { doc.replaceSelection("", null, "+delete"); } - else - { deleteNearSelection(this, function (range) { - var other = findPosH(doc, range.head, dir, unit, false); - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other} - }); } - }), - - findPosV: function(from, amount, unit, goalColumn) { - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } - var cur = clipPos(this.doc, from); - for (var i = 0; i < amount; ++i) { - var coords = cursorCoords(this, cur, "div"); - if (x == null) { x = coords.left; } - else { coords.left = x; } - cur = findPosV(this, coords, dir, unit); - if (cur.hitSide) { break } - } - return cur - }, - - moveV: methodOp(function(dir, unit) { - var this$1 = this; - - var doc = this.doc, goals = []; - var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected(); - doc.extendSelectionsBy(function (range) { - if (collapse) - { return dir < 0 ? range.from() : range.to() } - var headPos = cursorCoords(this$1, range.head, "div"); - if (range.goalColumn != null) { headPos.left = range.goalColumn; } - goals.push(headPos.left); - var pos = findPosV(this$1, headPos, dir, unit); - if (unit == "page" && range == doc.sel.primary()) - { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); } - return pos - }, sel_move); - if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) - { doc.sel.ranges[i].goalColumn = goals[i]; } } - }), - - // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - var helper = this.getHelper(pos, "wordChars"); - if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; } - var startChar = line.charAt(start); - var check = isWordChar(startChar, helper) - ? function (ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } - : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }; - while (start > 0 && check(line.charAt(start - 1))) { --start; } - while (end < line.length && check(line.charAt(end))) { ++end; } - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)) - }, - - toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) { return } - if (this.state.overwrite = !this.state.overwrite) - { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); } - else - { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); } - - signal(this, "overwriteToggle", this, this.state.overwrite); - }, - hasFocus: function() { return this.display.input.getField() == activeElt(root(this)) }, - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, - - scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }), - getScrollInfo: function() { - var scroller = this.display.scroller; - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)} - }, - - scrollIntoView: methodOp(function(range, margin) { - if (range == null) { - range = {from: this.doc.sel.primary().head, to: null}; - if (margin == null) { margin = this.options.cursorScrollMargin; } - } else if (typeof range == "number") { - range = {from: Pos(range, 0), to: null}; - } else if (range.from == null) { - range = {from: range, to: null}; - } - if (!range.to) { range.to = range.from; } - range.margin = margin || 0; - - if (range.from.line != null) { - scrollToRange(this, range); - } else { - scrollToCoordsRange(this, range.from, range.to, range.margin); - } - }), - - setSize: methodOp(function(width, height) { - var this$1 = this; - - var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }; - if (width != null) { this.display.wrapper.style.width = interpret(width); } - if (height != null) { this.display.wrapper.style.height = interpret(height); } - if (this.options.lineWrapping) { clearLineMeasurementCache(this); } - var lineNo = this.display.viewFrom; - this.doc.iter(lineNo, this.display.viewTo, function (line) { - if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) - { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } } - ++lineNo; - }); - this.curOp.forceUpdate = true; - signal(this, "refresh", this); - }), - - operation: function(f){return runInOp(this, f)}, - startOperation: function(){return startOperation(this)}, - endOperation: function(){return endOperation(this)}, - - refresh: methodOp(function() { - var oldHeight = this.display.cachedTextHeight; - regChange(this); - this.curOp.forceUpdate = true; - clearCaches(this); - scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop); - updateGutterSpace(this.display); - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5 || this.options.lineWrapping) - { estimateLineHeights(this); } - signal(this, "refresh", this); - }), - - swapDoc: methodOp(function(doc) { - var old = this.doc; - old.cm = null; - // Cancel the current text selection if any (#5821) - if (this.state.selectingText) { this.state.selectingText(); } - attachDoc(this, doc); - clearCaches(this); - this.display.input.reset(); - scrollToCoords(this, doc.scrollLeft, doc.scrollTop); - this.curOp.forceScroll = true; - signalLater(this, "swapDoc", this, old); - return old - }), - - phrase: function(phraseText) { - var phrases = this.options.phrases; - return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText - }, - - getInputField: function(){return this.display.input.getField()}, - getWrapperElement: function(){return this.display.wrapper}, - getScrollerElement: function(){return this.display.scroller}, - getGutterElement: function(){return this.display.gutters} - }; - eventMixin(CodeMirror); - - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; } - helpers[type][name] = value; - }; - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { - CodeMirror.registerHelper(type, name, value); - helpers[type]._global.push({pred: predicate, val: value}); - }; - } - - // Used for horizontal relative motion. Dir is -1 or 1 (left or - // right), unit can be "codepoint", "char", "column" (like char, but - // doesn't cross line boundaries), "word" (across next word), or - // "group" (to the start of next group of word or - // non-word-non-whitespace chars). The visually param controls - // whether, in right-to-left text, direction 1 means to move towards - // the next index in the string, or towards the character to the right - // of the current position. The resulting position will have a - // hitSide=true property if it reached the end of the document. - function findPosH(doc, pos, dir, unit, visually) { - var oldPos = pos; - var origDir = dir; - var lineObj = getLine(doc, pos.line); - var lineDir = visually && doc.direction == "rtl" ? -dir : dir; - function findNextLine() { - var l = pos.line + lineDir; - if (l < doc.first || l >= doc.first + doc.size) { return false } - pos = new Pos(l, pos.ch, pos.sticky); - return lineObj = getLine(doc, l) - } - function moveOnce(boundToLine) { - var next; - if (unit == "codepoint") { - var ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1)); - if (isNaN(ch)) { - next = null; - } else { - var astral = dir > 0 ? ch >= 0xD800 && ch < 0xDC00 : ch >= 0xDC00 && ch < 0xDFFF; - next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir); - } - } else if (visually) { - next = moveVisually(doc.cm, lineObj, pos, dir); - } else { - next = moveLogically(lineObj, pos, dir); - } - if (next == null) { - if (!boundToLine && findNextLine()) - { pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir); } - else - { return false } - } else { - pos = next; - } - return true - } - - if (unit == "char" || unit == "codepoint") { - moveOnce(); - } else if (unit == "column") { - moveOnce(true); - } else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) { break } - var cur = lineObj.text.charAt(pos.ch) || "\n"; - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null - : "p"; - if (group && !first && !type) { type = "s"; } - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";} - break - } - - if (type) { sawType = type; } - if (dir > 0 && !moveOnce(!first)) { break } - } - } - var result = skipAtomic(doc, pos, oldPos, origDir, true); - if (equalCursorPos(oldPos, result)) { result.hitSide = true; } - return result - } - - // For relative vertical movement. Dir may be -1 or 1. Unit can be - // "page" or "line". The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, win(cm).innerHeight || doc(cm).documentElement.clientHeight); - var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3); - y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount; - - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3; - } - var target; - for (;;) { - target = coordsChar(cm, x, y); - if (!target.outside) { break } - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } - y += dir * 5; - } - return target - } - - // CONTENTEDITABLE INPUT STYLE - - var ContentEditableInput = function(cm) { - this.cm = cm; - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; - this.polling = new Delayed(); - this.composing = null; - this.gracePeriod = false; - this.readDOMTimeout = null; - }; - - ContentEditableInput.prototype.init = function (display) { - var this$1 = this; - - var input = this, cm = input.cm; - var div = input.div = display.lineDiv; - div.contentEditable = true; - disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize); - - function belongsToInput(e) { - for (var t = e.target; t; t = t.parentNode) { - if (t == div) { return true } - if (/\bCodeMirror-(?:line)?widget\b/.test(t.className)) { break } - } - return false - } - - on(div, "paste", function (e) { - if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - // IE doesn't fire input events, so we schedule a read for the pasted content in this way - if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); } - }); - - on(div, "compositionstart", function (e) { - this$1.composing = {data: e.data, done: false}; - }); - on(div, "compositionupdate", function (e) { - if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; } - }); - on(div, "compositionend", function (e) { - if (this$1.composing) { - if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); } - this$1.composing.done = true; - } - }); - - on(div, "touchstart", function () { return input.forceCompositionEnd(); }); - - on(div, "input", function () { - if (!this$1.composing) { this$1.readFromDOMSoon(); } - }); - - function onCopyCut(e) { - if (!belongsToInput(e) || signalDOMEvent(cm, e)) { return } - if (cm.somethingSelected()) { - setLastCopied({lineWise: false, text: cm.getSelections()}); - if (e.type == "cut") { cm.replaceSelection("", null, "cut"); } - } else if (!cm.options.lineWiseCopyCut) { - return - } else { - var ranges = copyableRanges(cm); - setLastCopied({lineWise: true, text: ranges.text}); - if (e.type == "cut") { - cm.operation(function () { - cm.setSelections(ranges.ranges, 0, sel_dontScroll); - cm.replaceSelection("", null, "cut"); - }); - } - } - if (e.clipboardData) { - e.clipboardData.clearData(); - var content = lastCopied.text.join("\n"); - // iOS exposes the clipboard API, but seems to discard content inserted into it - e.clipboardData.setData("Text", content); - if (e.clipboardData.getData("Text") == content) { - e.preventDefault(); - return - } - } - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild; - disableBrowserMagic(te); - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); - te.value = lastCopied.text.join("\n"); - var hadFocus = activeElt(rootNode(div)); - selectInput(te); - setTimeout(function () { - cm.display.lineSpace.removeChild(kludge); - hadFocus.focus(); - if (hadFocus == div) { input.showPrimarySelection(); } - }, 50); - } - on(div, "copy", onCopyCut); - on(div, "cut", onCopyCut); - }; - - ContentEditableInput.prototype.screenReaderLabelChanged = function (label) { - // Label for screenreaders, accessibility - if(label) { - this.div.setAttribute('aria-label', label); - } else { - this.div.removeAttribute('aria-label'); - } - }; - - ContentEditableInput.prototype.prepareSelection = function () { - var result = prepareSelection(this.cm, false); - result.focus = activeElt(rootNode(this.div)) == this.div; - return result - }; - - ContentEditableInput.prototype.showSelection = function (info, takeFocus) { - if (!info || !this.cm.display.view.length) { return } - if (info.focus || takeFocus) { this.showPrimarySelection(); } - this.showMultipleSelections(info); - }; - - ContentEditableInput.prototype.getSelection = function () { - return this.cm.display.wrapper.ownerDocument.getSelection() - }; - - ContentEditableInput.prototype.showPrimarySelection = function () { - var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary(); - var from = prim.from(), to = prim.to(); - - if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) { - sel.removeAllRanges(); - return - } - - var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset); - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && - cmp(minPos(curAnchor, curFocus), from) == 0 && - cmp(maxPos(curAnchor, curFocus), to) == 0) - { return } - - var view = cm.display.view; - var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) || - {node: view[0].measure.map[2], offset: 0}; - var end = to.line < cm.display.viewTo && posToDOM(cm, to); - if (!end) { - var measure = view[view.length - 1].measure; - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; - } - - if (!start || !end) { - sel.removeAllRanges(); - return - } - - var old = sel.rangeCount && sel.getRangeAt(0), rng; - try { rng = range(start.node, start.offset, end.offset, end.node); } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - if (!gecko && cm.state.focused) { - sel.collapse(start.node, start.offset); - if (!rng.collapsed) { - sel.removeAllRanges(); - sel.addRange(rng); - } - } else { - sel.removeAllRanges(); - sel.addRange(rng); - } - if (old && sel.anchorNode == null) { sel.addRange(old); } - else if (gecko) { this.startGracePeriod(); } - } - this.rememberSelection(); - }; - - ContentEditableInput.prototype.startGracePeriod = function () { - var this$1 = this; - - clearTimeout(this.gracePeriod); - this.gracePeriod = setTimeout(function () { - this$1.gracePeriod = false; - if (this$1.selectionChanged()) - { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); } - }, 20); - }; - - ContentEditableInput.prototype.showMultipleSelections = function (info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); - }; - - ContentEditableInput.prototype.rememberSelection = function () { - var sel = this.getSelection(); - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; - }; - - ContentEditableInput.prototype.selectionInEditor = function () { - var sel = this.getSelection(); - if (!sel.rangeCount) { return false } - var node = sel.getRangeAt(0).commonAncestorContainer; - return contains(this.div, node) - }; - - ContentEditableInput.prototype.focus = function () { - if (this.cm.options.readOnly != "nocursor") { - if (!this.selectionInEditor() || activeElt(rootNode(this.div)) != this.div) - { this.showSelection(this.prepareSelection(), true); } - this.div.focus(); - } - }; - ContentEditableInput.prototype.blur = function () { this.div.blur(); }; - ContentEditableInput.prototype.getField = function () { return this.div }; - - ContentEditableInput.prototype.supportsTouch = function () { return true }; - - ContentEditableInput.prototype.receivedFocus = function () { - var this$1 = this; - - var input = this; - if (this.selectionInEditor()) - { setTimeout(function () { return this$1.pollSelection(); }, 20); } - else - { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); } - - function poll() { - if (input.cm.state.focused) { - input.pollSelection(); - input.polling.set(input.cm.options.pollInterval, poll); - } - } - this.polling.set(this.cm.options.pollInterval, poll); - }; - - ContentEditableInput.prototype.selectionChanged = function () { - var sel = this.getSelection(); - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset - }; - - ContentEditableInput.prototype.pollSelection = function () { - if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return } - var sel = this.getSelection(), cm = this.cm; - // On Android Chrome (version 56, at least), backspacing into an - // uneditable block element will put the cursor in that element, - // and then, because it's not editable, hide the virtual keyboard. - // Because Android doesn't allow us to actually detect backspace - // presses in a sane way, this code checks for when that happens - // and simulates a backspace press in this case. - if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) { - this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs}); - this.blur(); - this.focus(); - return - } - if (this.composing) { return } - this.rememberSelection(); - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var head = domToPos(cm, sel.focusNode, sel.focusOffset); - if (anchor && head) { runInOp(cm, function () { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); - if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; } - }); } - }; - - ContentEditableInput.prototype.pollContent = function () { - if (this.readDOMTimeout != null) { - clearTimeout(this.readDOMTimeout); - this.readDOMTimeout = null; - } - - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); - var from = sel.from(), to = sel.to(); - if (from.ch == 0 && from.line > cm.firstLine()) - { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); } - if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) - { to = Pos(to.line + 1, 0); } - if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } - - var fromIndex, fromLine, fromNode; - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - fromLine = lineNo(display.view[0].line); - fromNode = display.view[0].node; - } else { - fromLine = lineNo(display.view[fromIndex].line); - fromNode = display.view[fromIndex - 1].node.nextSibling; - } - var toIndex = findViewIndex(cm, to.line); - var toLine, toNode; - if (toIndex == display.view.length - 1) { - toLine = display.viewTo - 1; - toNode = display.lineDiv.lastChild; - } else { - toLine = lineNo(display.view[toIndex + 1].line) - 1; - toNode = display.view[toIndex + 1].node.previousSibling; - } - - if (!fromNode) { return false } - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } - else { break } - } - - var cutFront = 0, cutEnd = 0; - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - { ++cutFront; } - var newBot = lst(newText), oldBot = lst(oldText); - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)); - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - { ++cutEnd; } - // Try to move start of change to start of selection if ambiguous - if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) { - while (cutFront && cutFront > from.ch && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) { - cutFront--; - cutEnd++; - } - } - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, ""); - newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, ""); - - var chFrom = Pos(fromLine, cutFront); - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input"); - return true - } - }; - - ContentEditableInput.prototype.ensurePolled = function () { - this.forceCompositionEnd(); - }; - ContentEditableInput.prototype.reset = function () { - this.forceCompositionEnd(); - }; - ContentEditableInput.prototype.forceCompositionEnd = function () { - if (!this.composing) { return } - clearTimeout(this.readDOMTimeout); - this.composing = null; - this.updateFromDOM(); - this.div.blur(); - this.div.focus(); - }; - ContentEditableInput.prototype.readFromDOMSoon = function () { - var this$1 = this; - - if (this.readDOMTimeout != null) { return } - this.readDOMTimeout = setTimeout(function () { - this$1.readDOMTimeout = null; - if (this$1.composing) { - if (this$1.composing.done) { this$1.composing = null; } - else { return } - } - this$1.updateFromDOM(); - }, 80); - }; - - ContentEditableInput.prototype.updateFromDOM = function () { - var this$1 = this; - - if (this.cm.isReadOnly() || !this.pollContent()) - { runInOp(this.cm, function () { return regChange(this$1.cm); }); } - }; - - ContentEditableInput.prototype.setUneditable = function (node) { - node.contentEditable = "false"; - }; - - ContentEditableInput.prototype.onKeyPress = function (e) { - if (e.charCode == 0 || this.composing) { return } - e.preventDefault(); - if (!this.cm.isReadOnly()) - { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); } - }; - - ContentEditableInput.prototype.readOnlyChanged = function (val) { - this.div.contentEditable = String(val != "nocursor"); - }; - - ContentEditableInput.prototype.onContextMenu = function () {}; - ContentEditableInput.prototype.resetPosition = function () {}; - - ContentEditableInput.prototype.needsContentAttribute = true; - - function posToDOM(cm, pos) { - var view = findViewForLine(cm, pos.line); - if (!view || view.hidden) { return null } - var line = getLine(cm.doc, pos.line); - var info = mapFromLineView(view, line, pos.line); - - var order = getOrder(line, cm.doc.direction), side = "left"; - if (order) { - var partPos = getBidiPartAt(order, pos.ch); - side = partPos % 2 ? "right" : "left"; - } - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); - result.offset = result.collapse == "right" ? result.end : result.start; - return result - } - - function isInGutter(node) { - for (var scan = node; scan; scan = scan.parentNode) - { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } } - return false - } - - function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } - - function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false; - function recognizeMarker(id) { return function (marker) { return marker.id == id; } } - function close() { - if (closing) { - text += lineSep; - if (extraLinebreak) { text += lineSep; } - closing = extraLinebreak = false; - } - } - function addText(str) { - if (str) { - close(); - text += str; - } - } - function walk(node) { - if (node.nodeType == 1) { - var cmText = node.getAttribute("cm-text"); - if (cmText) { - addText(cmText); - return - } - var markerID = node.getAttribute("cm-marker"), range; - if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); - if (found.length && (range = found[0].find(0))) - { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)); } - return - } - if (node.getAttribute("contenteditable") == "false") { return } - var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName); - if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return } - - if (isBlock) { close(); } - for (var i = 0; i < node.childNodes.length; i++) - { walk(node.childNodes[i]); } - - if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; } - if (isBlock) { closing = true; } - } else if (node.nodeType == 3) { - addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " ")); - } - } - for (;;) { - walk(from); - if (from == to) { break } - from = from.nextSibling; - extraLinebreak = false; - } - return text - } - - function domToPos(cm, node, offset) { - var lineNode; - if (node == cm.display.lineDiv) { - lineNode = cm.display.lineDiv.childNodes[offset]; - if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } - node = null; offset = 0; - } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { - if (!lineNode || lineNode == cm.display.lineDiv) { return null } - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } - } - } - for (var i = 0; i < cm.display.view.length; i++) { - var lineView = cm.display.view[i]; - if (lineView.node == lineNode) - { return locateNodeInLineView(lineView, node, offset) } - } - } - - function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false; - if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } - if (node == wrapper) { - bad = true; - node = wrapper.childNodes[offset]; - offset = 0; - if (!node) { - var line = lineView.rest ? lst(lineView.rest) : lineView.line; - return badPos(Pos(lineNo(line), line.text.length), bad) - } - } - - var textNode = node.nodeType == 3 ? node : null, topNode = node; - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { - textNode = node.firstChild; - if (offset) { offset = textNode.nodeValue.length; } - } - while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; } - var measure = lineView.measure, maps = measure.maps; - - function find(textNode, topNode, offset) { - for (var i = -1; i < (maps ? maps.length : 0); i++) { - var map = i < 0 ? measure.map : maps[i]; - for (var j = 0; j < map.length; j += 3) { - var curNode = map[j + 2]; - if (curNode == textNode || curNode == topNode) { - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); - var ch = map[j] + offset; - if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)]; } - return Pos(line, ch) - } - } - } - } - var found = find(textNode, topNode, offset); - if (found) { return badPos(found, bad) } - - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { - found = find(after, after.firstChild, 0); - if (found) - { return badPos(Pos(found.line, found.ch - dist), bad) } - else - { dist += after.textContent.length; } - } - for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { - found = find(before, before.firstChild, -1); - if (found) - { return badPos(Pos(found.line, found.ch + dist$1), bad) } - else - { dist$1 += before.textContent.length; } - } - } - - // TEXTAREA INPUT STYLE - - var TextareaInput = function(cm) { - this.cm = cm; - // See input.poll and input.reset - this.prevInput = ""; - - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - this.pollingFast = false; - // Self-resetting timeout for the poller - this.polling = new Delayed(); - // Used to work around IE issue with selection being forgotten when focus moves away from textarea - this.hasSelection = false; - this.composing = null; - this.resetting = false; - }; - - TextareaInput.prototype.init = function (display) { - var this$1 = this; - - var input = this, cm = this.cm; - this.createField(display); - var te = this.textarea; - - display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild); - - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) { te.style.width = "0px"; } - - on(te, "input", function () { - if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; } - input.poll(); - }); - - on(te, "paste", function (e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - - cm.state.pasteIncoming = +new Date; - input.fastPoll(); - }); - - function prepareCopyCut(e) { - if (signalDOMEvent(cm, e)) { return } - if (cm.somethingSelected()) { - setLastCopied({lineWise: false, text: cm.getSelections()}); - } else if (!cm.options.lineWiseCopyCut) { - return - } else { - var ranges = copyableRanges(cm); - setLastCopied({lineWise: true, text: ranges.text}); - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll); - } else { - input.prevInput = ""; - te.value = ranges.text.join("\n"); - selectInput(te); - } - } - if (e.type == "cut") { cm.state.cutIncoming = +new Date; } - } - on(te, "cut", prepareCopyCut); - on(te, "copy", prepareCopyCut); - - on(display.scroller, "paste", function (e) { - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } - if (!te.dispatchEvent) { - cm.state.pasteIncoming = +new Date; - input.focus(); - return - } - - // Pass the `paste` event to the textarea so it's handled by its event listener. - var event = new Event("paste"); - event.clipboardData = e.clipboardData; - te.dispatchEvent(event); - }); - - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function (e) { - if (!eventInWidget(display, e)) { e_preventDefault(e); } - }); - - on(te, "compositionstart", function () { - var start = cm.getCursor("from"); - if (input.composing) { input.composing.range.clear(); } - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - }; - }); - on(te, "compositionend", function () { - if (input.composing) { - input.poll(); - input.composing.range.clear(); - input.composing = null; - } - }); - }; - - TextareaInput.prototype.createField = function (_display) { - // Wraps and hides input textarea - this.wrapper = hiddenTextarea(); - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - this.textarea = this.wrapper.firstChild; - var opts = this.cm.options; - disableBrowserMagic(this.textarea, opts.spellcheck, opts.autocorrect, opts.autocapitalize); - }; - - TextareaInput.prototype.screenReaderLabelChanged = function (label) { - // Label for screenreaders, accessibility - if(label) { - this.textarea.setAttribute('aria-label', label); - } else { - this.textarea.removeAttribute('aria-label'); - } - }; - - TextareaInput.prototype.prepareSelection = function () { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc; - var result = prepareSelection(cm); - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); - } - - return result - }; - - TextareaInput.prototype.showSelection = function (drawn) { - var cm = this.cm, display = cm.display; - removeChildrenAndAdd(display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px"; - this.wrapper.style.left = drawn.teLeft + "px"; - } - }; - - // Reset the input to correspond to the selection (or to be empty, - // when not typing and nothing is selected) - TextareaInput.prototype.reset = function (typing) { - if (this.contextMenuPending || this.composing && typing) { return } - var cm = this.cm; - this.resetting = true; - if (cm.somethingSelected()) { - this.prevInput = ""; - var content = cm.getSelection(); - this.textarea.value = content; - if (cm.state.focused) { selectInput(this.textarea); } - if (ie && ie_version >= 9) { this.hasSelection = content; } - } else if (!typing) { - this.prevInput = this.textarea.value = ""; - if (ie && ie_version >= 9) { this.hasSelection = null; } - } - this.resetting = false; - }; - - TextareaInput.prototype.getField = function () { return this.textarea }; - - TextareaInput.prototype.supportsTouch = function () { return false }; - - TextareaInput.prototype.focus = function () { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt(rootNode(this.textarea)) != this.textarea)) { - try { this.textarea.focus(); } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } - }; - - TextareaInput.prototype.blur = function () { this.textarea.blur(); }; - - TextareaInput.prototype.resetPosition = function () { - this.wrapper.style.top = this.wrapper.style.left = 0; - }; - - TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); }; - - // Poll for input changes, using the normal rate of polling. This - // runs as long as the editor is focused. - TextareaInput.prototype.slowPoll = function () { - var this$1 = this; - - if (this.pollingFast) { return } - this.polling.set(this.cm.options.pollInterval, function () { - this$1.poll(); - if (this$1.cm.state.focused) { this$1.slowPoll(); } - }); - }; - - // When an event has just come in that is likely to add or change - // something in the input textarea, we poll faster, to ensure that - // the change appears on the screen quickly. - TextareaInput.prototype.fastPoll = function () { - var missed = false, input = this; - input.pollingFast = true; - function p() { - var changed = input.poll(); - if (!changed && !missed) {missed = true; input.polling.set(60, p);} - else {input.pollingFast = false; input.slowPoll();} - } - input.polling.set(20, p); - }; - - // Read input from the textarea, and update the document to match. - // When something is selected, it is present in the textarea, and - // selected (unless it is huge, in which case a placeholder is - // used). When nothing is selected, the cursor sits after previously - // seen text (can be empty), which is stored in prevInput (we must - // not reset the textarea when typing, because that breaks IME). - TextareaInput.prototype.poll = function () { - var this$1 = this; - - var cm = this.cm, input = this.textarea, prevInput = this.prevInput; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || this.resetting || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) - { return false } - - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) { return false } - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset(); - return false - } - - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0); - if (first == 0x200b && !prevInput) { prevInput = "\u200b"; } - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; } - - runInOp(cm, function () { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, this$1.composing ? "*compose" : null); - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; } - else { this$1.prevInput = text; } - - if (this$1.composing) { - this$1.composing.range.clear(); - this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}); - } - }); - return true - }; - - TextareaInput.prototype.ensurePolled = function () { - if (this.pollingFast && this.poll()) { this.pollingFast = false; } - }; - - TextareaInput.prototype.onKeyPress = function () { - if (ie && ie_version >= 9) { this.hasSelection = null; } - this.fastPoll(); - }; - - TextareaInput.prototype.onContextMenu = function (e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea; - if (input.contextMenuPending) { input.contextMenuPending(); } - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) { return } // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); } - - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; - var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect(); - input.wrapper.style.cssText = "position: static"; - te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - var oldScrollY; - if (webkit) { oldScrollY = te.ownerDocument.defaultView.scrollY; } // Work around Chrome issue (#2712) - display.input.focus(); - if (webkit) { te.ownerDocument.defaultView.scrollTo(null, oldScrollY); } - display.input.reset(); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) { te.value = input.prevInput = " "; } - input.contextMenuPending = rehide; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = "\u200b" + (selected ? te.value : ""); - te.value = "\u21da"; // Used to catch context-menu undo - te.value = extval; - input.prevInput = selected ? "" : "\u200b"; - te.selectionStart = 1; te.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; - } - } - function rehide() { - if (input.contextMenuPending != rehide) { return } - input.contextMenuPending = false; - input.wrapper.style.cssText = oldWrapperCSS; - te.style.cssText = oldCSS; - if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); } - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); } - var i = 0, poll = function () { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") { - operation(cm, selectAll)(cm); - } else if (i++ < 10) { - display.detectingSelectAll = setTimeout(poll, 500); - } else { - display.selForContextMenu = null; - display.input.reset(); - } - }; - display.detectingSelectAll = setTimeout(poll, 200); - } - } - - if (ie && ie_version >= 9) { prepareSelectAllHack(); } - if (captureRightClick) { - e_stop(e); - var mouseup = function () { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } - }; - - TextareaInput.prototype.readOnlyChanged = function (val) { - if (!val) { this.reset(); } - this.textarea.disabled = val == "nocursor"; - this.textarea.readOnly = !!val; - }; - - TextareaInput.prototype.setUneditable = function () {}; - - TextareaInput.prototype.needsContentAttribute = false; - - function fromTextArea(textarea, options) { - options = options ? copyObj(options) : {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabIndex) - { options.tabindex = textarea.tabIndex; } - if (!options.placeholder && textarea.placeholder) - { options.placeholder = textarea.placeholder; } - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = activeElt(rootNode(textarea)); - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = cm.getValue();} - - var realSubmit; - if (textarea.form) { - on(textarea.form, "submit", save); - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form; - realSubmit = form.submit; - try { - var wrappedSubmit = form.submit = function () { - save(); - form.submit = realSubmit; - form.submit(); - form.submit = wrappedSubmit; - }; - } catch(e) {} - } - } - - options.finishInit = function (cm) { - cm.save = save; - cm.getTextArea = function () { return textarea; }; - cm.toTextArea = function () { - cm.toTextArea = isNaN; // Prevent this from being ran twice - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function") - { textarea.form.submit = realSubmit; } - } - }; - }; - - textarea.style.display = "none"; - var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, - options); - return cm - } - - function addLegacyProps(CodeMirror) { - CodeMirror.off = off; - CodeMirror.on = on; - CodeMirror.wheelEventPixels = wheelEventPixels; - CodeMirror.Doc = Doc; - CodeMirror.splitLines = splitLinesAuto; - CodeMirror.countColumn = countColumn; - CodeMirror.findColumn = findColumn; - CodeMirror.isWordChar = isWordCharBasic; - CodeMirror.Pass = Pass; - CodeMirror.signal = signal; - CodeMirror.Line = Line; - CodeMirror.changeEnd = changeEnd; - CodeMirror.scrollbarModel = scrollbarModel; - CodeMirror.Pos = Pos; - CodeMirror.cmpPos = cmp; - CodeMirror.modes = modes; - CodeMirror.mimeModes = mimeModes; - CodeMirror.resolveMode = resolveMode; - CodeMirror.getMode = getMode; - CodeMirror.modeExtensions = modeExtensions; - CodeMirror.extendMode = extendMode; - CodeMirror.copyState = copyState; - CodeMirror.startState = startState; - CodeMirror.innerMode = innerMode; - CodeMirror.commands = commands; - CodeMirror.keyMap = keyMap; - CodeMirror.keyName = keyName; - CodeMirror.isModifierKey = isModifierKey; - CodeMirror.lookupKey = lookupKey; - CodeMirror.normalizeKeyMap = normalizeKeyMap; - CodeMirror.StringStream = StringStream; - CodeMirror.SharedTextMarker = SharedTextMarker; - CodeMirror.TextMarker = TextMarker; - CodeMirror.LineWidget = LineWidget; - CodeMirror.e_preventDefault = e_preventDefault; - CodeMirror.e_stopPropagation = e_stopPropagation; - CodeMirror.e_stop = e_stop; - CodeMirror.addClass = addClass; - CodeMirror.contains = contains; - CodeMirror.rmClass = rmClass; - CodeMirror.keyNames = keyNames; - } - - // EDITOR CONSTRUCTOR - - defineOptions(CodeMirror); - - addEditorMethods(CodeMirror); - - // Set up methods on CodeMirror's prototype to redirect to the editor's document. - var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); - for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - { CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments)} - })(Doc.prototype[prop]); } } - - eventMixin(Doc); - CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; - - // Extra arguments are stored as the mode's dependencies, which is - // used by (legacy) mechanisms like loadmode.js to automatically - // load a mode. (Preferred mechanism is the require/define calls.) - CodeMirror.defineMode = function(name/*, mode, …*/) { - if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; } - defineMode.apply(this, arguments); - }; - - CodeMirror.defineMIME = defineMIME; - - // Minimal default mode. - CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }); - CodeMirror.defineMIME("text/plain", "null"); - - // EXTENSIONS - - CodeMirror.defineExtension = function (name, func) { - CodeMirror.prototype[name] = func; - }; - CodeMirror.defineDocExtension = function (name, func) { - Doc.prototype[name] = func; - }; - - CodeMirror.fromTextArea = fromTextArea; - - addLegacyProps(CodeMirror); - - CodeMirror.version = "5.65.17"; - - return CodeMirror; - -}))); +(function(global,factory){typeof exports==='object'&&typeof module!=='undefined'?module.exports=factory():typeof define==='function'&&define.amd?define(factory):(global=global||self,global.CodeMirror=factory());}(this,(function(){'use strict';var userAgent=navigator.userAgent;var platform=navigator.platform;var gecko=/gecko\/\d/i.test(userAgent);var ie_upto10=/MSIE \d/.test(userAgent);var ie_11up=/Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);var edge=/Edge\/(\d+)/.exec(userAgent);var ie=ie_upto10||ie_11up||edge;var ie_version=ie&&(ie_upto10?document.documentMode||6:+(edge||ie_11up)[1]);var webkit=!edge&&/WebKit\//.test(userAgent);var qtwebkit=webkit&&/Qt\/\d+\.\d+/.test(userAgent);var chrome=!edge&&/Chrome\/(\d+)/.exec(userAgent);var chrome_version=chrome&&+chrome[1];var presto=/Opera\//.test(userAgent);var safari=/Apple Computer/.test(navigator.vendor);var mac_geMountainLion=/Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);var phantom=/PhantomJS/.test(userAgent);var ios=safari&&(/Mobile\/\w+/.test(userAgent)||navigator.maxTouchPoints>2);var android=/Android/.test(userAgent);var mobile=ios||android||/webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);var mac=ios||/Mac/.test(platform);var chromeOS=/\bCrOS\b/.test(userAgent);var windows=/win/i.test(platform);var presto_version=presto&&userAgent.match(/Version\/(\d*\.\d*)/);if(presto_version){presto_version=Number(presto_version[1]);} +if(presto_version&&presto_version>=15){presto=false;webkit=true;} +var flipCtrlCmd=mac&&(qtwebkit||presto&&(presto_version==null||presto_version<12.11));var captureRightClick=gecko||(ie&&ie_version>=9);function classTest(cls){return new RegExp("(^|\\s)"+cls+"(?:$|\\s)\\s*")} +var rmClass=function(node,cls){var current=node.className;var match=classTest(cls).exec(current);if(match){var after=current.slice(match.index+match[0].length);node.className=current.slice(0,match.index)+(after?match[1]+after:"");}};function removeChildren(e){for(var count=e.childNodes.length;count>0;--count) +{e.removeChild(e.firstChild);} +return e} +function removeChildrenAndAdd(parent,e){return removeChildren(parent).appendChild(e)} +function elt(tag,content,className,style){var e=document.createElement(tag);if(className){e.className=className;} +if(style){e.style.cssText=style;} +if(typeof content=="string"){e.appendChild(document.createTextNode(content));} +else if(content){for(var i=0;i=end) +{return n+(end-i)} +n+=nextTab-i;n+=tabSize-(n%tabSize);i=nextTab+1;}} +var Delayed=function(){this.id=null;this.f=null;this.time=0;this.handler=bind(this.onTimeout,this);};Delayed.prototype.onTimeout=function(self){self.id=0;if(self.time<=+new Date){self.f();}else{setTimeout(self.handler,self.time- +new Date);}};Delayed.prototype.set=function(ms,f){this.f=f;var time=+new Date+ms;if(!this.id||time=goal) +{return pos+Math.min(skipped,goal-col)} +col+=nextTab-pos;col+=tabSize-(col%tabSize);pos=nextTab+1;if(col>=goal){return pos}}} +var spaceStrs=[""];function spaceStr(n){while(spaceStrs.length<=n) +{spaceStrs.push(lst(spaceStrs)+" ");} +return spaceStrs[n]} +function lst(arr){return arr[arr.length-1]} +function map(array,f){var out=[];for(var i=0;i"\x80"&&(ch.toUpperCase()!=ch.toLowerCase()||nonASCIISingleCaseWordChar.test(ch))} +function isWordChar(ch,helper){if(!helper){return isWordCharBasic(ch)} +if(helper.source.indexOf("\\w")>-1&&isWordCharBasic(ch)){return true} +return helper.test(ch)} +function isEmpty(obj){for(var n in obj){if(obj.hasOwnProperty(n)&&obj[n]){return false}} +return true} +var extendingChars=/[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;function isExtendingChar(ch){return ch.charCodeAt(0)>=768&&extendingChars.test(ch)} +function skipExtendingChars(str,pos,dir){while((dir<0?pos>0:posto?-1:1;for(;;){if(from==to){return from} +var midF=(from+to)/2,mid=dir<0?Math.ceil(midF):Math.floor(midF);if(mid==from){return pred(mid)?from:to} +if(pred(mid)){to=mid;} +else{from=mid+dir;}}} +function iterateBidiSections(order,from,to,f){if(!order){return f(from,to,"ltr",0)} +var found=false;for(var i=0;ifrom||from==to&&part.to==from){f(Math.max(part.from,from),Math.min(part.to,to),part.level==1?"rtl":"ltr",i);found=true;}} +if(!found){f(from,to,"ltr");}} +var bidiOther=null;function getBidiPartAt(order,ch,sticky){var found;bidiOther=null;for(var i=0;ich){return i} +if(cur.to==ch){if(cur.from!=cur.to&&sticky=="before"){found=i;} +else{bidiOther=i;}} +if(cur.from==ch){if(cur.from!=cur.to&&sticky!="before"){found=i;} +else{bidiOther=i;}}} +return found!=null?found:bidiOther} +var bidiOrdering=(function(){var lowTypes="bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";var arabicTypes="nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";function charType(code){if(code<=0xf7){return lowTypes.charAt(code)} +else if(0x590<=code&&code<=0x5f4){return"R"} +else if(0x600<=code&&code<=0x6f9){return arabicTypes.charAt(code-0x600)} +else if(0x6ee<=code&&code<=0x8ac){return"r"} +else if(0x2000<=code&&code<=0x200b){return"w"} +else if(code==0x200c){return"b"} +else{return"L"}} +var bidiRE=/[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;var isNeutral=/[stwN]/,isStrong=/[LRr]/,countsAsLeft=/[Lb1n]/,countsAsNum=/[1n]/;function BidiSpan(level,from,to){this.level=level;this.from=from;this.to=to;} +return function(str,direction){var outerType=direction=="ltr"?"L":"R";if(str.length==0||direction=="ltr"&&!bidiRE.test(str)){return false} +var len=str.length,types=[];for(var i=0;i-1) +{map[type]=arr.slice(0,index).concat(arr.slice(index+1));}}}} +function signal(emitter,type){var handlers=getHandlers(emitter,type);if(!handlers.length){return} +var args=Array.prototype.slice.call(arguments,2);for(var i=0;i0} +function eventMixin(ctor){ctor.prototype.on=function(type,f){on(this,type,f);};ctor.prototype.off=function(type,f){off(this,type,f);};} +function e_preventDefault(e){if(e.preventDefault){e.preventDefault();} +else{e.returnValue=false;}} +function e_stopPropagation(e){if(e.stopPropagation){e.stopPropagation();} +else{e.cancelBubble=true;}} +function e_defaultPrevented(e){return e.defaultPrevented!=null?e.defaultPrevented:e.returnValue==false} +function e_stop(e){e_preventDefault(e);e_stopPropagation(e);} +function e_target(e){return e.target||e.srcElement} +function e_button(e){var b=e.which;if(b==null){if(e.button&1){b=1;} +else if(e.button&2){b=3;} +else if(e.button&4){b=2;}} +if(mac&&e.ctrlKey&&b==1){b=3;} +return b} +var dragAndDrop=function(){if(ie&&ie_version<9){return false} +var div=elt('div');return"draggable"in div||"dragDrop"in div}();var zwspSupported;function zeroWidthElement(measure){if(zwspSupported==null){var test=elt("span","\u200b");removeChildrenAndAdd(measure,elt("span",[test,document.createTextNode("x")]));if(measure.firstChild.offsetHeight!=0) +{zwspSupported=test.offsetWidth<=1&&test.offsetHeight>2&&!(ie&&ie_version<8);}} +var node=zwspSupported?elt("span","\u200b"):elt("span","\u00a0",null,"display: inline-block; width: 1px; margin-right: -1px");node.setAttribute("cm-text","");return node} +var badBidiRects;function hasBadBidiRects(measure){if(badBidiRects!=null){return badBidiRects} +var txt=removeChildrenAndAdd(measure,document.createTextNode("A\u062eA"));var r0=range(txt,0,1).getBoundingClientRect();var r1=range(txt,1,2).getBoundingClientRect();removeChildren(measure);if(!r0||r0.left==r0.right){return false} +return badBidiRects=(r1.right-r0.right<3)} +var splitLinesAuto="\n\nb".split(/\n/).length!=3?function(string){var pos=0,result=[],l=string.length;while(pos<=l){var nl=string.indexOf("\n",pos);if(nl==-1){nl=string.length;} +var line=string.slice(pos,string.charAt(nl-1)=="\r"?nl-1:nl);var rt=line.indexOf("\r");if(rt!=-1){result.push(line.slice(0,rt));pos+=rt+1;}else{result.push(line);pos=nl+1;}} +return result}:function(string){return string.split(/\r\n?|\n/);};var hasSelection=window.getSelection?function(te){try{return te.selectionStart!=te.selectionEnd} +catch(e){return false}}:function(te){var range;try{range=te.ownerDocument.selection.createRange();} +catch(e){} +if(!range||range.parentElement()!=te){return false} +return range.compareEndPoints("StartToEnd",range)!=0};var hasCopyEvent=(function(){var e=elt("div");if("oncopy"in e){return true} +e.setAttribute("oncopy","return;");return typeof e.oncopy=="function"})();var badZoomedRects=null;function hasBadZoomedRects(measure){if(badZoomedRects!=null){return badZoomedRects} +var node=removeChildrenAndAdd(measure,elt("span","x"));var normal=node.getBoundingClientRect();var fromRange=range(node,0,1).getBoundingClientRect();return badZoomedRects=Math.abs(normal.left-fromRange.left)>1} +var modes={},mimeModes={};function defineMode(name,mode){if(arguments.length>2) +{mode.dependencies=Array.prototype.slice.call(arguments,2);} +modes[name]=mode;} +function defineMIME(mime,spec){mimeModes[mime]=spec;} +function resolveMode(spec){if(typeof spec=="string"&&mimeModes.hasOwnProperty(spec)){spec=mimeModes[spec];}else if(spec&&typeof spec.name=="string"&&mimeModes.hasOwnProperty(spec.name)){var found=mimeModes[spec.name];if(typeof found=="string"){found={name:found};} +spec=createObj(found,spec);spec.name=found.name;}else if(typeof spec=="string"&&/^[\w\-]+\/[\w\-]+\+xml$/.test(spec)){return resolveMode("application/xml")}else if(typeof spec=="string"&&/^[\w\-]+\/[\w\-]+\+json$/.test(spec)){return resolveMode("application/json")} +if(typeof spec=="string"){return{name:spec}} +else{return spec||{name:"null"}}} +function getMode(options,spec){spec=resolveMode(spec);var mfactory=modes[spec.name];if(!mfactory){return getMode(options,"text/plain")} +var modeObj=mfactory(options,spec);if(modeExtensions.hasOwnProperty(spec.name)){var exts=modeExtensions[spec.name];for(var prop in exts){if(!exts.hasOwnProperty(prop)){continue} +if(modeObj.hasOwnProperty(prop)){modeObj["_"+prop]=modeObj[prop];} +modeObj[prop]=exts[prop];}} +modeObj.name=spec.name;if(spec.helperType){modeObj.helperType=spec.helperType;} +if(spec.modeProps){for(var prop$1 in spec.modeProps) +{modeObj[prop$1]=spec.modeProps[prop$1];}} +return modeObj} +var modeExtensions={};function extendMode(mode,properties){var exts=modeExtensions.hasOwnProperty(mode)?modeExtensions[mode]:(modeExtensions[mode]={});copyObj(properties,exts);} +function copyState(mode,state){if(state===true){return state} +if(mode.copyState){return mode.copyState(state)} +var nstate={};for(var n in state){var val=state[n];if(val instanceof Array){val=val.concat([]);} +nstate[n]=val;} +return nstate} +function innerMode(mode,state){var info;while(mode.innerMode){info=mode.innerMode(state);if(!info||info.mode==mode){break} +state=info.state;mode=info.mode;} +return info||{mode:mode,state:state}} +function startState(mode,a1,a2){return mode.startState?mode.startState(a1,a2):true} +var StringStream=function(string,tabSize,lineOracle){this.pos=this.start=0;this.string=string;this.tabSize=tabSize||8;this.lastColumnPos=this.lastColumnValue=0;this.lineStart=0;this.lineOracle=lineOracle;};StringStream.prototype.eol=function(){return this.pos>=this.string.length};StringStream.prototype.sol=function(){return this.pos==this.lineStart};StringStream.prototype.peek=function(){return this.string.charAt(this.pos)||undefined};StringStream.prototype.next=function(){if(this.posstart};StringStream.prototype.eatSpace=function(){var start=this.pos;while(/[\s\u00a0]/.test(this.string.charAt(this.pos))){++this.pos;} +return this.pos>start};StringStream.prototype.skipToEnd=function(){this.pos=this.string.length;};StringStream.prototype.skipTo=function(ch){var found=this.string.indexOf(ch,this.pos);if(found>-1){this.pos=found;return true}};StringStream.prototype.backUp=function(n){this.pos-=n;};StringStream.prototype.column=function(){if(this.lastColumnPos0){return null} +if(match&&consume!==false){this.pos+=match[0].length;} +return match}};StringStream.prototype.current=function(){return this.string.slice(this.start,this.pos)};StringStream.prototype.hideFirstChars=function(n,inner){this.lineStart+=n;try{return inner()} +finally{this.lineStart-=n;}};StringStream.prototype.lookAhead=function(n){var oracle=this.lineOracle;return oracle&&oracle.lookAhead(n)};StringStream.prototype.baseToken=function(){var oracle=this.lineOracle;return oracle&&oracle.baseToken(this.pos)};function getLine(doc,n){n-=doc.first;if(n<0||n>=doc.size){throw new Error("There is no line "+(n+doc.first)+" in the document.")} +var chunk=doc;while(!chunk.lines){for(var i=0;;++i){var child=chunk.children[i],sz=child.chunkSize();if(n=doc.first&&llast){return Pos(last,getLine(doc,last).text.length)} +return clipToLen(pos,getLine(doc,pos.line).text.length)} +function clipToLen(pos,linelen){var ch=pos.ch;if(ch==null||ch>linelen){return Pos(pos.line,linelen)} +else if(ch<0){return Pos(pos.line,0)} +else{return pos}} +function clipPosArray(doc,array){var out=[];for(var i=0;ithis.maxLookAhead){this.maxLookAhead=n;} +return line};Context.prototype.baseToken=function(n){if(!this.baseTokens){return null} +while(this.baseTokens[this.baseTokenPos]<=n) +{this.baseTokenPos+=2;} +var type=this.baseTokens[this.baseTokenPos+1];return{type:type&&type.replace(/( |^)overlay .*/,""),size:this.baseTokens[this.baseTokenPos]-n}};Context.prototype.nextLine=function(){this.line++;if(this.maxLookAhead>0){this.maxLookAhead--;}};Context.fromSaved=function(doc,saved,line){if(saved instanceof SavedContext) +{return new Context(doc,copyState(doc.mode,saved.state),line,saved.lookAhead)} +else +{return new Context(doc,copyState(doc.mode,saved),line)}};Context.prototype.save=function(copy){var state=copy!==false?copyState(this.doc.mode,this.state):this.state;return this.maxLookAhead>0?new SavedContext(state,this.maxLookAhead):state};function highlightLine(cm,line,context,forceToEnd){var st=[cm.state.modeGen],lineClasses={};runMode(cm,line.text,cm.doc.mode,context,function(end,style){return st.push(end,style);},lineClasses,forceToEnd);var state=context.state;var loop=function(o){context.baseTokens=st;var overlay=cm.state.overlays[o],i=1,at=0;context.state=true;runMode(cm,line.text,overlay.mode,context,function(end,style){var start=i;while(atend) +{st.splice(i,1,end,st[i+1],i_end);} +i+=2;at=Math.min(end,i_end);} +if(!style){return} +if(overlay.opaque){st.splice(start,i-start,end,"overlay "+style);i=start+2;}else{for(;startcm.options.maxHighlightLength&©State(cm.doc.mode,context.state);var result=highlightLine(cm,line,context);if(resetState){context.state=resetState;} +line.stateAfter=context.save(!resetState);line.styles=result.styles;if(result.classes){line.styleClasses=result.classes;} +else if(line.styleClasses){line.styleClasses=null;} +if(updateFrontier===cm.doc.highlightFrontier) +{cm.doc.modeFrontier=Math.max(cm.doc.modeFrontier,++cm.doc.highlightFrontier);}} +return line.styles} +function getContextBefore(cm,n,precise){var doc=cm.doc,display=cm.display;if(!doc.mode.startState){return new Context(doc,true,n)} +var start=findStartLine(cm,n,precise);var saved=start>doc.first&&getLine(doc,start-1).stateAfter;var context=saved?Context.fromSaved(doc,saved,start):new Context(doc,startState(doc.mode),start);doc.iter(start,n,function(line){processLine(cm,line.text,context);var pos=context.line;line.stateAfter=pos==n-1||pos%5==0||pos>=display.viewFrom&&posstream.start){return style}} +throw new Error("Mode "+mode.name+" failed to advance stream.")} +var Token=function(stream,type,state){this.start=stream.start;this.end=stream.pos;this.string=stream.current();this.type=type||null;this.state=state;};function takeToken(cm,pos,precise,asArray){var doc=cm.doc,mode=doc.mode,style;pos=clipPos(doc,pos);var line=getLine(doc,pos.line),context=getContextBefore(cm,pos.line,precise);var stream=new StringStream(line.text,cm.options.tabSize,context),tokens;if(asArray){tokens=[];} +while((asArray||stream.poscm.options.maxHighlightLength){flattenSpans=false;if(forceToEnd){processLine(cm,text,context,stream.pos);} +stream.pos=text.length;style=null;}else{style=extractLineClasses(readToken(mode,stream,context.state,inner),lineClasses);} +if(inner){var mName=inner[0].name;if(mName){style="m-"+(style?mName+" "+style:mName);}} +if(!flattenSpans||curStyle!=style){while(curStartlim;--search){if(search<=doc.first){return doc.first} +var line=getLine(doc,search-1),after=line.stateAfter;if(after&&(!precise||search+(after instanceof SavedContext?after.lookAhead:0)<=doc.modeFrontier)) +{return search} +var indented=countColumn(line.text,null,cm.options.tabSize);if(minline==null||minindent>indented){minline=search-1;minindent=indented;}} +return minline} +function retreatFrontier(doc,n){doc.modeFrontier=Math.min(doc.modeFrontier,n);if(doc.highlightFrontierstart;line--){var saved=getLine(doc,line).stateAfter;if(saved&&(!(saved instanceof SavedContext)||line+saved.lookAhead=startCh:span.to>startCh);(nw||(nw=[])).push(new MarkedSpan(marker,span.from,endsAfter?null:span.to));}}} +return nw} +function markedSpansAfter(old,endCh,isInsert){var nw;if(old){for(var i=0;i=endCh:span.to>endCh);if(endsAfter||span.from==endCh&&marker.type=="bookmark"&&(!isInsert||span.marker.insertLeft)){var startsBefore=span.from==null||(marker.inclusiveLeft?span.from<=endCh:span.from0&&first) +{for(var i$2=0;i$20){continue} +var newParts=[j,1],dfrom=cmp(p.from,m.from),dto=cmp(p.to,m.to);if(dfrom<0||!mk.inclusiveLeft&&!dfrom) +{newParts.push({from:p.from,to:m.from});} +if(dto>0||!mk.inclusiveRight&&!dto) +{newParts.push({from:m.to,to:p.to});} +parts.splice.apply(parts,newParts);j+=newParts.length-3;}} +return parts} +function detachMarkedSpans(line){var spans=line.markedSpans;if(!spans){return} +for(var i=0;ich)&&(!found||compareCollapsedMarkers(found,sp.marker)<0)){found=sp.marker;}}} +return found} +function conflictingCollapsedRange(doc,lineNo,from,to,marker){var line=getLine(doc,lineNo);var sps=sawCollapsedSpans&&line.markedSpans;if(sps){for(var i=0;i=0&&toCmp<=0||fromCmp<=0&&toCmp>=0){continue} +if(fromCmp<=0&&(sp.marker.inclusiveRight&&marker.inclusiveLeft?cmp(found.to,from)>=0:cmp(found.to,from)>0)||fromCmp>=0&&(sp.marker.inclusiveRight&&marker.inclusiveLeft?cmp(found.from,to)<=0:cmp(found.from,to)<0)) +{return true}}}} +function visualLine(line){var merged;while(merged=collapsedSpanAtStart(line)) +{line=merged.find(-1,true).line;} +return line} +function visualLineEnd(line){var merged;while(merged=collapsedSpanAtEnd(line)) +{line=merged.find(1,true).line;} +return line} +function visualLineContinued(line){var merged,lines;while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line;(lines||(lines=[])).push(line);} +return lines} +function visualLineNo(doc,lineN){var line=getLine(doc,lineN),vis=visualLine(line);if(line==vis){return lineN} +return lineNo(vis)} +function visualLineEndNo(doc,lineN){if(lineN>doc.lastLine()){return lineN} +var line=getLine(doc,lineN),merged;if(!lineIsHidden(doc,line)){return lineN} +while(merged=collapsedSpanAtEnd(line)) +{line=merged.find(1,true).line;} +return lineNo(line)+1} +function lineIsHidden(doc,line){var sps=sawCollapsedSpans&&line.markedSpans;if(sps){for(var sp=(void 0),i=0;id.maxLineLength){d.maxLineLength=len;d.maxLine=line;}});} +var Line=function(text,markedSpans,estimateHeight){this.text=text;attachMarkedSpans(this,markedSpans);this.height=estimateHeight?estimateHeight(this):1;};Line.prototype.lineNo=function(){return lineNo(this)};eventMixin(Line);function updateLine(line,text,markedSpans,estimateHeight){line.text=text;if(line.stateAfter){line.stateAfter=null;} +if(line.styles){line.styles=null;} +if(line.order!=null){line.order=null;} +detachMarkedSpans(line);attachMarkedSpans(line,markedSpans);var estHeight=estimateHeight?estimateHeight(line):1;if(estHeight!=line.height){updateLineHeight(line,estHeight);}} +function cleanUpLine(line){line.parent=null;detachMarkedSpans(line);} +var styleToClassCache={},styleToClassCacheWithMode={};function interpretTokenStyle(style,options){if(!style||/^\s*$/.test(style)){return null} +var cache=options.addModeClass?styleToClassCacheWithMode:styleToClassCache;return cache[style]||(cache[style]=style.replace(/\S+/g,"cm-$&"))} +function buildLineContent(cm,lineView){var content=eltP("span",null,null,webkit?"padding-right: .1px":null);var builder={pre:eltP("pre",[content],"CodeMirror-line"),content:content,col:0,pos:0,cm:cm,trailingSpace:false,splitSpaces:cm.getOption("lineWrapping")};lineView.measure={};for(var i=0;i<=(lineView.rest?lineView.rest.length:0);i++){var line=i?lineView.rest[i-1]:lineView.line,order=(void 0);builder.pos=0;builder.addToken=buildToken;if(hasBadBidiRects(cm.display.measure)&&(order=getOrder(line,cm.doc.direction))) +{builder.addToken=buildTokenBadBidi(builder.addToken,order);} +builder.map=[];var allowFrontierUpdate=lineView!=cm.display.externalMeasured&&lineNo(line);insertLineContent(line,builder,getLineStyles(cm,line,allowFrontierUpdate));if(line.styleClasses){if(line.styleClasses.bgClass) +{builder.bgClass=joinClasses(line.styleClasses.bgClass,builder.bgClass||"");} +if(line.styleClasses.textClass) +{builder.textClass=joinClasses(line.styleClasses.textClass,builder.textClass||"");}} +if(builder.map.length==0) +{builder.map.push(0,0,builder.content.appendChild(zeroWidthElement(cm.display.measure)));} +if(i==0){lineView.measure.map=builder.map;lineView.measure.cache={};}else{(lineView.measure.maps||(lineView.measure.maps=[])).push(builder.map);(lineView.measure.caches||(lineView.measure.caches=[])).push({});}} +if(webkit){var last=builder.content.lastChild;if(/\bcm-tab\b/.test(last.className)||(last.querySelector&&last.querySelector(".cm-tab"))) +{builder.content.className="cm-tab-wrap-hack";}} +signal(cm,"renderLine",cm,lineView.line,builder.pre);if(builder.pre.className) +{builder.textClass=joinClasses(builder.pre.className,builder.textClass||"");} +return builder} +function defaultSpecialCharPlaceholder(ch){var token=elt("span","\u2022","cm-invalidchar");token.title="\\u"+ch.charCodeAt(0).toString(16);token.setAttribute("aria-label",token.title);return token} +function buildToken(builder,text,style,startStyle,endStyle,css,attributes){if(!text){return} +var displayText=builder.splitSpaces?splitSpaces(text,builder.trailingSpace):text;var special=builder.cm.state.specialChars,mustWrap=false;var content;if(!special.test(text)){builder.col+=text.length;content=document.createTextNode(displayText);builder.map.push(builder.pos,builder.pos+text.length,content);if(ie&&ie_version<9){mustWrap=true;} +builder.pos+=text.length;}else{content=document.createDocumentFragment();var pos=0;while(true){special.lastIndex=pos;var m=special.exec(text);var skipped=m?m.index-pos:text.length-pos;if(skipped){var txt=document.createTextNode(displayText.slice(pos,pos+skipped));if(ie&&ie_version<9){content.appendChild(elt("span",[txt]));} +else{content.appendChild(txt);} +builder.map.push(builder.pos,builder.pos+skipped,txt);builder.col+=skipped;builder.pos+=skipped;} +if(!m){break} +pos+=skipped+1;var txt$1=(void 0);if(m[0]=="\t"){var tabSize=builder.cm.options.tabSize,tabWidth=tabSize-builder.col%tabSize;txt$1=content.appendChild(elt("span",spaceStr(tabWidth),"cm-tab"));txt$1.setAttribute("role","presentation");txt$1.setAttribute("cm-text","\t");builder.col+=tabWidth;}else if(m[0]=="\r"||m[0]=="\n"){txt$1=content.appendChild(elt("span",m[0]=="\r"?"\u240d":"\u2424","cm-invalidchar"));txt$1.setAttribute("cm-text",m[0]);builder.col+=1;}else{txt$1=builder.cm.options.specialCharPlaceholder(m[0]);txt$1.setAttribute("cm-text",m[0]);if(ie&&ie_version<9){content.appendChild(elt("span",[txt$1]));} +else{content.appendChild(txt$1);} +builder.col+=1;} +builder.map.push(builder.pos,builder.pos+1,txt$1);builder.pos++;}} +builder.trailingSpace=displayText.charCodeAt(text.length-1)==32;if(style||startStyle||endStyle||mustWrap||css||attributes){var fullStyle=style||"";if(startStyle){fullStyle+=startStyle;} +if(endStyle){fullStyle+=endStyle;} +var token=elt("span",[content],fullStyle,css);if(attributes){for(var attr in attributes){if(attributes.hasOwnProperty(attr)&&attr!="style"&&attr!="class") +{token.setAttribute(attr,attributes[attr]);}}} +return builder.content.appendChild(token)} +builder.content.appendChild(content);} +function splitSpaces(text,trailingBefore){if(text.length>1&&!/ /.test(text)){return text} +var spaceBefore=trailingBefore,result="";for(var i=0;istart&&part.from<=start){break}} +if(part.to>=end){return inner(builder,text,style,startStyle,endStyle,css,attributes)} +inner(builder,text.slice(0,part.to-start),style,startStyle,null,css,attributes);startStyle=null;text=text.slice(part.to-start);start=part.to;}}} +function buildCollapsedSpan(builder,size,marker,ignoreWidget){var widget=!ignoreWidget&&marker.widgetNode;if(widget){builder.map.push(builder.pos,builder.pos+size,widget);} +if(!ignoreWidget&&builder.cm.display.input.needsContentAttribute){if(!widget) +{widget=builder.content.appendChild(document.createElement("span"));} +widget.setAttribute("cm-marker",marker.id);} +if(widget){builder.cm.display.input.setUneditable(widget);builder.content.appendChild(widget);} +builder.pos+=size;builder.trailingSpace=false;} +function insertLineContent(line,builder,styles){var spans=line.markedSpans,allText=line.text,at=0;if(!spans){for(var i$1=1;i$1pos||m.collapsed&&sp.to==pos&&sp.from==pos)){if(sp.to!=null&&sp.to!=pos&&nextChange>sp.to){nextChange=sp.to;spanEndStyle="";} +if(m.className){spanStyle+=" "+m.className;} +if(m.css){css=(css?css+";":"")+m.css;} +if(m.startStyle&&sp.from==pos){spanStartStyle+=" "+m.startStyle;} +if(m.endStyle&&sp.to==nextChange){(endStyles||(endStyles=[])).push(m.endStyle,sp.to);} +if(m.title){(attributes||(attributes={})).title=m.title;} +if(m.attributes){for(var attr in m.attributes) +{(attributes||(attributes={}))[attr]=m.attributes[attr];}} +if(m.collapsed&&(!collapsed||compareCollapsedMarkers(collapsed.marker,m)<0)) +{collapsed=sp;}}else if(sp.from>pos&&nextChange>sp.from){nextChange=sp.from;}} +if(endStyles){for(var j$1=0;j$1=len){break} +var upto=Math.min(len,nextChange);while(true){if(text){var end=pos+text.length;if(!collapsed){var tokenText=end>upto?text.slice(0,upto-pos):text;builder.addToken(builder,tokenText,style?style+spanStyle:spanStyle,spanStartStyle,pos+tokenText.length==nextChange?spanEndStyle:"",css,attributes);} +if(end>=upto){text=text.slice(upto-pos);pos=upto;break} +pos=end;spanStartStyle="";} +text=allText.slice(at,at=styles[i++]);style=interpretTokenStyle(styles[i++],builder.cm.options);}}} +function LineView(doc,line,lineN){this.line=line;this.rest=visualLineContinued(line);this.size=this.rest?lineNo(lst(this.rest))-lineN+1:1;this.node=this.text=null;this.hidden=lineIsHidden(doc,line);} +function buildViewArray(cm,from,to){var array=[],nextPos;for(var pos=from;pos2) +{heights.push((cur.bottom+next.top)/2-rect.top);}}} +heights.push(rect.bottom-rect.top);}} +function mapFromLineView(lineView,line,lineN){if(lineView.line==line) +{return{map:lineView.measure.map,cache:lineView.measure.cache}} +if(lineView.rest){for(var i=0;ilineN) +{return{map:lineView.measure.maps[i$1],cache:lineView.measure.caches[i$1],before:true}}}}} +function updateExternalMeasurement(cm,line){line=visualLine(line);var lineN=lineNo(line);var view=cm.display.externalMeasured=new LineView(cm.doc,line,lineN);view.lineN=lineN;var built=view.built=buildLineContent(cm,view);view.text=built.pre;removeChildrenAndAdd(cm.display.lineMeasure,built.pre);return view} +function measureChar(cm,line,ch,bias){return measureCharPrepared(cm,prepareMeasureForLine(cm,line),ch,bias)} +function findViewForLine(cm,lineN){if(lineN>=cm.display.viewFrom&&lineN=ext.lineN&&lineNch){end=mEnd-mStart;start=end-1;if(ch>=mEnd){collapse="right";}} +if(start!=null){node=map[i+2];if(mStart==mEnd&&bias==(node.insertLeft?"left":"right")) +{collapse=bias;} +if(bias=="left"&&start==0) +{while(i&&map[i-2]==map[i-3]&&map[i-1].insertLeft){node=map[(i-=3)+2];collapse="left";}} +if(bias=="right"&&start==mEnd-mStart) +{while(i=0;i$1--){if((rect=rects[i$1]).left!=rect.right){break}}} +return rect} +function measureCharInner(cm,prepared,ch,bias){var place=nodeAndOffsetInLineMap(prepared.map,ch,bias);var node=place.node,start=place.start,end=place.end,collapse=place.collapse;var rect;if(node.nodeType==3){for(var i$1=0;i$1<4;i$1++){while(start&&isExtendingChar(prepared.line.text.charAt(place.coverStart+start))){--start;} +while(place.coverStart+end0){collapse=bias="right";} +var rects;if(cm.options.lineWrapping&&(rects=node.getClientRects()).length>1) +{rect=rects[bias=="right"?rects.length-1:0];} +else +{rect=node.getBoundingClientRect();}} +if(ie&&ie_version<9&&!start&&(!rect||!rect.left&&!rect.right)){var rSpan=node.parentNode.getClientRects()[0];if(rSpan) +{rect={left:rSpan.left,right:rSpan.left+charWidth(cm.display),top:rSpan.top,bottom:rSpan.bottom};} +else +{rect=nullRect;}} +var rtop=rect.top-prepared.rect.top,rbot=rect.bottom-prepared.rect.top;var mid=(rtop+rbot)/2;var heights=prepared.view.measure.heights;var i=0;for(;i=lineObj.text.length){ch=lineObj.text.length;sticky="before";}else if(ch<=0){ch=0;sticky="after";} +if(!order){return get(sticky=="before"?ch-1:ch,sticky=="before")} +function getBidi(ch,partPos,invert){var part=order[partPos],right=part.level==1;return get(invert?ch-1:ch,right!=invert)} +var partPos=getBidiPartAt(order,ch,sticky);var other=bidiOther;var val=getBidi(ch,partPos,sticky=="before");if(other!=null){val.other=getBidi(ch,other,sticky!="before");} +return val} +function estimateCoords(cm,pos){var left=0;pos=clipPos(cm.doc,pos);if(!cm.options.lineWrapping){left=charWidth(cm.display)*pos.ch;} +var lineObj=getLine(cm.doc,pos.line);var top=heightAtLine(lineObj)+paddingTop(cm.display);return{left:left,right:left,top:top,bottom:top+lineObj.height}} +function PosWithInfo(line,ch,sticky,outside,xRel){var pos=Pos(line,ch,sticky);pos.xRel=xRel;if(outside){pos.outside=outside;} +return pos} +function coordsChar(cm,x,y){var doc=cm.doc;y+=cm.display.viewOffset;if(y<0){return PosWithInfo(doc.first,0,null,-1,-1)} +var lineN=lineAtHeight(doc,y),last=doc.first+doc.size-1;if(lineN>last) +{return PosWithInfo(doc.first+doc.size-1,getLine(doc,last).text.length,null,1,1)} +if(x<0){x=0;} +var lineObj=getLine(doc,lineN);for(;;){var found=coordsCharInner(cm,lineObj,lineN,x,y);var collapsed=collapsedSpanAround(lineObj,found.ch+(found.xRel>0||found.outside>0?1:0));if(!collapsed){return found} +var rangeEnd=collapsed.find(1);if(rangeEnd.line==lineN){return rangeEnd} +lineObj=getLine(doc,lineN=rangeEnd.line);}} +function wrappedLineExtent(cm,lineObj,preparedMeasure,y){y-=widgetTopHeight(lineObj);var end=lineObj.text.length;var begin=findFirst(function(ch){return measureCharPrepared(cm,preparedMeasure,ch-1).bottom<=y;},end,0);end=findFirst(function(ch){return measureCharPrepared(cm,preparedMeasure,ch).top>y;},begin,end);return{begin:begin,end:end}} +function wrappedLineExtentChar(cm,lineObj,preparedMeasure,target){if(!preparedMeasure){preparedMeasure=prepareMeasureForLine(cm,lineObj);} +var targetTop=intoCoordSystem(cm,lineObj,measureCharPrepared(cm,preparedMeasure,target),"line").top;return wrappedLineExtent(cm,lineObj,preparedMeasure,targetTop)} +function boxIsAfter(box,x,y,left){return box.bottom<=y?false:box.top>y?true:(left?box.left:box.right)>x} +function coordsCharInner(cm,lineObj,lineNo,x,y){y-=heightAtLine(lineObj);var preparedMeasure=prepareMeasureForLine(cm,lineObj);var widgetHeight=widgetTopHeight(lineObj);var begin=0,end=lineObj.text.length,ltr=true;var order=getOrder(lineObj,cm.doc.direction);if(order){var part=(cm.options.lineWrapping?coordsBidiPartWrapped:coordsBidiPart) +(cm,lineObj,lineNo,preparedMeasure,order,x,y);ltr=part.level!=1;begin=ltr?part.from:part.to-1;end=ltr?part.to:part.from-1;} +var chAround=null,boxAround=null;var ch=findFirst(function(ch){var box=measureCharPrepared(cm,preparedMeasure,ch);box.top+=widgetHeight;box.bottom+=widgetHeight;if(!boxIsAfter(box,x,y,false)){return false} +if(box.top<=y&&box.left<=x){chAround=ch;boxAround=box;} +return true},begin,end);var baseX,sticky,outside=false;if(boxAround){var atLeft=x-boxAround.left=coords.bottom?1:0;} +ch=skipExtendingChars(lineObj.text,ch,1);return PosWithInfo(lineNo,ch,sticky,outside,x-baseX)} +function coordsBidiPart(cm,lineObj,lineNo,preparedMeasure,order,x,y){var index=findFirst(function(i){var part=order[i],ltr=part.level!=1;return boxIsAfter(cursorCoords(cm,Pos(lineNo,ltr?part.to:part.from,ltr?"before":"after"),"line",lineObj,preparedMeasure),x,y,true)},0,order.length-1);var part=order[index];if(index>0){var ltr=part.level!=1;var start=cursorCoords(cm,Pos(lineNo,ltr?part.from:part.to,ltr?"after":"before"),"line",lineObj,preparedMeasure);if(boxIsAfter(start,x,y,true)&&start.top>y) +{part=order[index-1];}} +return part} +function coordsBidiPartWrapped(cm,lineObj,_lineNo,preparedMeasure,order,x,y){var ref=wrappedLineExtent(cm,lineObj,preparedMeasure,y);var begin=ref.begin;var end=ref.end;if(/\s/.test(lineObj.text.charAt(end-1))){end--;} +var part=null,closestDist=null;for(var i=0;i=end||p.to<=begin){continue} +var ltr=p.level!=1;var endX=measureCharPrepared(cm,preparedMeasure,ltr?Math.min(end,p.to)-1:Math.max(begin,p.from)).right;var dist=endXdist){part=p;closestDist=dist;}} +if(!part){part=order[order.length-1];} +if(part.fromend){part={from:part.from,to:end,level:part.level};} +return part} +var measureText;function textHeight(display){if(display.cachedTextHeight!=null){return display.cachedTextHeight} +if(measureText==null){measureText=elt("pre",null,"CodeMirror-line-like");for(var i=0;i<49;++i){measureText.appendChild(document.createTextNode("x"));measureText.appendChild(elt("br"));} +measureText.appendChild(document.createTextNode("x"));} +removeChildrenAndAdd(display.measure,measureText);var height=measureText.offsetHeight/50;if(height>3){display.cachedTextHeight=height;} +removeChildren(display.measure);return height||1} +function charWidth(display){if(display.cachedCharWidth!=null){return display.cachedCharWidth} +var anchor=elt("span","xxxxxxxxxx");var pre=elt("pre",[anchor],"CodeMirror-line-like");removeChildrenAndAdd(display.measure,pre);var rect=anchor.getBoundingClientRect(),width=(rect.right-rect.left)/10;if(width>2){display.cachedCharWidth=width;} +return width||10} +function getDimensions(cm){var d=cm.display,left={},width={};var gutterLeft=d.gutters.clientLeft;for(var n=d.gutters.firstChild,i=0;n;n=n.nextSibling,++i){var id=cm.display.gutterSpecs[i].className;left[id]=n.offsetLeft+n.clientLeft+gutterLeft;width[id]=n.clientWidth;} +return{fixedPos:compensateForHScroll(d),gutterTotalWidth:d.gutters.offsetWidth,gutterLeft:left,gutterWidth:width,wrapperWidth:d.wrapper.clientWidth}} +function compensateForHScroll(display){return display.scroller.getBoundingClientRect().left-display.sizer.getBoundingClientRect().left} +function estimateHeight(cm){var th=textHeight(cm.display),wrapping=cm.options.lineWrapping;var perLine=wrapping&&Math.max(5,cm.display.scroller.clientWidth/charWidth(cm.display)-3);return function(line){if(lineIsHidden(cm.doc,line)){return 0} +var widgetsHeight=0;if(line.widgets){for(var i=0;i0&&(line=getLine(cm.doc,coords.line).text).length==coords.ch){var colDiff=countColumn(line,line.length,cm.options.tabSize)-line.length;coords=Pos(coords.line,Math.max(0,Math.round((x-paddingH(cm.display).left)/charWidth(cm.display))-colDiff));} +return coords} +function findViewIndex(cm,n){if(n>=cm.display.viewTo){return null} +n-=cm.display.viewFrom;if(n<0){return null} +var view=cm.display.view;for(var i=0;ifrom)) +{display.updateLineNumbers=from;} +cm.curOp.viewChanged=true;if(from>=display.viewTo){if(sawCollapsedSpans&&visualLineNo(cm.doc,from)display.viewFrom){resetView(cm);}else{display.viewFrom+=lendiff;display.viewTo+=lendiff;}}else if(from<=display.viewFrom&&to>=display.viewTo){resetView(cm);}else if(from<=display.viewFrom){var cut=viewCuttingPoint(cm,to,to+lendiff,1);if(cut){display.view=display.view.slice(cut.index);display.viewFrom=cut.lineN;display.viewTo+=lendiff;}else{resetView(cm);}}else if(to>=display.viewTo){var cut$1=viewCuttingPoint(cm,from,from,-1);if(cut$1){display.view=display.view.slice(0,cut$1.index);display.viewTo=cut$1.lineN;}else{resetView(cm);}}else{var cutTop=viewCuttingPoint(cm,from,from,-1);var cutBot=viewCuttingPoint(cm,to,to+lendiff,1);if(cutTop&&cutBot){display.view=display.view.slice(0,cutTop.index).concat(buildViewArray(cm,cutTop.lineN,cutBot.lineN)).concat(display.view.slice(cutBot.index));display.viewTo+=lendiff;}else{resetView(cm);}} +var ext=display.externalMeasured;if(ext){if(to=ext.lineN&&line=display.viewTo){return} +var lineView=display.view[findViewIndex(cm,line)];if(lineView.node==null){return} +var arr=lineView.changes||(lineView.changes=[]);if(indexOf(arr,type)==-1){arr.push(type);}} +function resetView(cm){cm.display.viewFrom=cm.display.viewTo=cm.doc.first;cm.display.view=[];cm.display.viewOffset=0;} +function viewCuttingPoint(cm,oldN,newN,dir){var index=findViewIndex(cm,oldN),diff,view=cm.display.view;if(!sawCollapsedSpans||newN==cm.doc.first+cm.doc.size) +{return{index:index,lineN:newN}} +var n=cm.display.viewFrom;for(var i=0;i0){if(index==view.length-1){return null} +diff=(n+view[index].size)-oldN;index++;}else{diff=n-oldN;} +oldN+=diff;newN+=diff;} +while(visualLineNo(cm.doc,newN)!=newN){if(index==(dir<0?0:view.length-1)){return null} +newN+=dir*view[index-(dir<0?1:0)].size;index+=dir;} +return{index:index,lineN:newN}} +function adjustView(cm,from,to){var display=cm.display,view=display.view;if(view.length==0||from>=display.viewTo||to<=display.viewFrom){display.view=buildViewArray(cm,from,to);display.viewFrom=from;}else{if(display.viewFrom>from) +{display.view=buildViewArray(cm,from,display.viewFrom).concat(display.view);} +else if(display.viewFromto) +{display.view=display.view.slice(0,findViewIndex(cm,to));}} +display.viewTo=to;} +function countDirtyView(cm){var view=cm.display.view,dirty=0;for(var i=0;i=cm.display.viewTo||range.to().line0?width:cm.defaultCharWidth())+"px";} +if(pos.other){var otherCursor=output.appendChild(elt("div","\u00a0","CodeMirror-cursor CodeMirror-secondarycursor"));otherCursor.style.display="";otherCursor.style.left=pos.other.left+"px";otherCursor.style.top=pos.other.top+"px";otherCursor.style.height=(pos.other.bottom-pos.other.top)*.85+"px";}} +function cmpCoords(a,b){return a.top-b.top||a.left-b.left} +function drawSelectionRange(cm,range,output){var display=cm.display,doc=cm.doc;var fragment=document.createDocumentFragment();var padding=paddingH(cm.display),leftSide=padding.left;var rightSide=Math.max(display.sizerWidth,displayWidth(cm)-display.sizer.offsetLeft)-padding.right;var docLTR=doc.direction=="ltr";function add(left,top,width,bottom){if(top<0){top=0;} +top=Math.round(top);bottom=Math.round(bottom);fragment.appendChild(elt("div",null,"CodeMirror-selected",("position: absolute; left: "+left+"px;\n top: "+top+"px; width: "+(width==null?rightSide-left:width)+"px;\n height: "+(bottom-top)+"px")));} +function drawForLine(line,fromArg,toArg){var lineObj=getLine(doc,line);var lineLen=lineObj.text.length;var start,end;function coords(ch,bias){return charCoords(cm,Pos(line,ch),"div",lineObj,bias)} +function wrapX(pos,dir,side){var extent=wrappedLineExtentChar(cm,lineObj,null,pos);var prop=(dir=="ltr")==(side=="after")?"left":"right";var ch=side=="after"?extent.begin:extent.end-(/\s/.test(lineObj.text.charAt(extent.end-1))?2:1);return coords(ch,prop)[prop]} +var order=getOrder(lineObj,doc.direction);iterateBidiSections(order,fromArg||0,toArg==null?lineLen:toArg,function(from,to,dir,i){var ltr=dir=="ltr";var fromPos=coords(from,ltr?"left":"right");var toPos=coords(to-1,ltr?"right":"left");var openStart=fromArg==null&&from==0,openEnd=toArg==null&&to==lineLen;var first=i==0,last=!order||i==order.length-1;if(toPos.top-fromPos.top<=3){var openLeft=(docLTR?openStart:openEnd)&&first;var openRight=(docLTR?openEnd:openStart)&&last;var left=openLeft?leftSide:(ltr?fromPos:toPos).left;var right=openRight?rightSide:(ltr?toPos:fromPos).right;add(left,fromPos.top,right-left,fromPos.bottom);}else{var topLeft,topRight,botLeft,botRight;if(ltr){topLeft=docLTR&&openStart&&first?leftSide:fromPos.left;topRight=docLTR?rightSide:wrapX(from,dir,"before");botLeft=docLTR?leftSide:wrapX(to,dir,"after");botRight=docLTR&&openEnd&&last?rightSide:toPos.right;}else{topLeft=!docLTR?leftSide:wrapX(from,dir,"before");topRight=!docLTR&&openStart&&first?rightSide:fromPos.right;botLeft=!docLTR&&openEnd&&last?leftSide:toPos.left;botRight=!docLTR?rightSide:wrapX(to,dir,"after");} +add(topLeft,fromPos.top,topRight-topLeft,fromPos.bottom);if(fromPos.bottom0) +{display.blinker=setInterval(function(){if(!cm.hasFocus()){onBlur(cm);} +display.cursorDiv.style.visibility=(on=!on)?"":"hidden";},cm.options.cursorBlinkRate);} +else if(cm.options.cursorBlinkRate<0) +{display.cursorDiv.style.visibility="hidden";}} +function ensureFocus(cm){if(!cm.hasFocus()){cm.display.input.focus();if(!cm.state.focused){onFocus(cm);}}} +function delayBlurEvent(cm){cm.state.delayingBlurEvent=true;setTimeout(function(){if(cm.state.delayingBlurEvent){cm.state.delayingBlurEvent=false;if(cm.state.focused){onBlur(cm);}}},100);} +function onFocus(cm,e){if(cm.state.delayingBlurEvent&&!cm.state.draggingText){cm.state.delayingBlurEvent=false;} +if(cm.options.readOnly=="nocursor"){return} +if(!cm.state.focused){signal(cm,"focus",cm,e);cm.state.focused=true;addClass(cm.display.wrapper,"CodeMirror-focused");if(!cm.curOp&&cm.display.selForContextMenu!=cm.doc.sel){cm.display.input.reset();if(webkit){setTimeout(function(){return cm.display.input.reset(true);},20);}} +cm.display.input.receivedFocus();} +restartBlink(cm);} +function onBlur(cm,e){if(cm.state.delayingBlurEvent){return} +if(cm.state.focused){signal(cm,"blur",cm,e);cm.state.focused=false;rmClass(cm.display.wrapper,"CodeMirror-focused");} +clearInterval(cm.display.blinker);setTimeout(function(){if(!cm.state.focused){cm.display.shift=false;}},150);} +function updateHeightsInViewport(cm){var display=cm.display;var prevBottom=display.lineDiv.offsetTop;var viewTop=Math.max(0,display.scroller.getBoundingClientRect().top);var oldHeight=display.lineDiv.getBoundingClientRect().top;var mustScroll=0;for(var i=0;i.005||diff<-.005){if(oldHeightcm.display.sizerWidth){var chWidth=Math.ceil(width/charWidth(cm.display));if(chWidth>cm.display.maxLineLength){cm.display.maxLineLength=chWidth;cm.display.maxLine=cur.line;cm.display.maxLineChanged=true;}}} +if(Math.abs(mustScroll)>2){display.scroller.scrollTop+=mustScroll;}} +function updateWidgetHeight(line){if(line.widgets){for(var i=0;i=to){from=lineAtHeight(doc,heightAtLine(getLine(doc,ensureTo))-display.wrapper.clientHeight);to=ensureTo;}} +return{from:from,to:Math.max(to,from+1)}} +function maybeScrollWindow(cm,rect){if(signalDOMEvent(cm,"scrollCursorIntoView")){return} +var display=cm.display,box=display.sizer.getBoundingClientRect(),doScroll=null;var doc=display.wrapper.ownerDocument;if(rect.top+box.top<0){doScroll=true;} +else if(rect.bottom+box.top>(doc.defaultView.innerHeight||doc.documentElement.clientHeight)){doScroll=false;} +if(doScroll!=null&&!phantom){var scrollNode=elt("div","\u200b",null,("position: absolute;\n top: "+(rect.top-display.viewOffset-paddingTop(cm.display))+"px;\n height: "+(rect.bottom-rect.top+scrollGap(cm)+display.barHeight)+"px;\n left: "+(rect.left)+"px; width: "+(Math.max(2,rect.right-rect.left))+"px;"));cm.display.lineSpace.appendChild(scrollNode);scrollNode.scrollIntoView(doScroll);cm.display.lineSpace.removeChild(scrollNode);}} +function scrollPosIntoView(cm,pos,end,margin){if(margin==null){margin=0;} +var rect;if(!cm.options.lineWrapping&&pos==end){end=pos.sticky=="before"?Pos(pos.line,pos.ch+1,"before"):pos;pos=pos.ch?Pos(pos.line,pos.sticky=="before"?pos.ch-1:pos.ch,"after"):pos;} +for(var limit=0;limit<5;limit++){var changed=false;var coords=cursorCoords(cm,pos);var endCoords=!end||end==pos?coords:cursorCoords(cm,end);rect={left:Math.min(coords.left,endCoords.left),top:Math.min(coords.top,endCoords.top)-margin,right:Math.max(coords.left,endCoords.left),bottom:Math.max(coords.bottom,endCoords.bottom)+margin};var scrollPos=calculateScrollPos(cm,rect);var startTop=cm.doc.scrollTop,startLeft=cm.doc.scrollLeft;if(scrollPos.scrollTop!=null){updateScrollTop(cm,scrollPos.scrollTop);if(Math.abs(cm.doc.scrollTop-startTop)>1){changed=true;}} +if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft);if(Math.abs(cm.doc.scrollLeft-startLeft)>1){changed=true;}} +if(!changed){break}} +return rect} +function scrollIntoView(cm,rect){var scrollPos=calculateScrollPos(cm,rect);if(scrollPos.scrollTop!=null){updateScrollTop(cm,scrollPos.scrollTop);} +if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft);}} +function calculateScrollPos(cm,rect){var display=cm.display,snapMargin=textHeight(cm.display);if(rect.top<0){rect.top=0;} +var screentop=cm.curOp&&cm.curOp.scrollTop!=null?cm.curOp.scrollTop:display.scroller.scrollTop;var screen=displayHeight(cm),result={};if(rect.bottom-rect.top>screen){rect.bottom=rect.top+screen;} +var docBottom=cm.doc.height+paddingVert(display);var atTop=rect.topdocBottom-snapMargin;if(rect.topscreentop+screen){var newTop=Math.min(rect.top,(atBottom?docBottom:rect.bottom)-screen);if(newTop!=screentop){result.scrollTop=newTop;}} +var gutterSpace=cm.options.fixedGutter?0:display.gutters.offsetWidth;var screenleft=cm.curOp&&cm.curOp.scrollLeft!=null?cm.curOp.scrollLeft:display.scroller.scrollLeft-gutterSpace;var screenw=displayWidth(cm)-display.gutters.offsetWidth;var tooWide=rect.right-rect.left>screenw;if(tooWide){rect.right=rect.left+screenw;} +if(rect.left<10) +{result.scrollLeft=0;} +else if(rect.leftscreenw+screenleft-3) +{result.scrollLeft=rect.right+(tooWide?0:10)-screenw;} +return result} +function addToScrollTop(cm,top){if(top==null){return} +resolveScrollToPos(cm);cm.curOp.scrollTop=(cm.curOp.scrollTop==null?cm.doc.scrollTop:cm.curOp.scrollTop)+top;} +function ensureCursorVisible(cm){resolveScrollToPos(cm);var cur=cm.getCursor();cm.curOp.scrollToPos={from:cur,to:cur,margin:cm.options.cursorScrollMargin};} +function scrollToCoords(cm,x,y){if(x!=null||y!=null){resolveScrollToPos(cm);} +if(x!=null){cm.curOp.scrollLeft=x;} +if(y!=null){cm.curOp.scrollTop=y;}} +function scrollToRange(cm,range){resolveScrollToPos(cm);cm.curOp.scrollToPos=range;} +function resolveScrollToPos(cm){var range=cm.curOp.scrollToPos;if(range){cm.curOp.scrollToPos=null;var from=estimateCoords(cm,range.from),to=estimateCoords(cm,range.to);scrollToCoordsRange(cm,from,to,range.margin);}} +function scrollToCoordsRange(cm,from,to,margin){var sPos=calculateScrollPos(cm,{left:Math.min(from.left,to.left),top:Math.min(from.top,to.top)-margin,right:Math.max(from.right,to.right),bottom:Math.max(from.bottom,to.bottom)+margin});scrollToCoords(cm,sPos.scrollLeft,sPos.scrollTop);} +function updateScrollTop(cm,val){if(Math.abs(cm.doc.scrollTop-val)<2){return} +if(!gecko){updateDisplaySimple(cm,{top:val});} +setScrollTop(cm,val,true);if(gecko){updateDisplaySimple(cm);} +startWorker(cm,100);} +function setScrollTop(cm,val,forceScroll){val=Math.max(0,Math.min(cm.display.scroller.scrollHeight-cm.display.scroller.clientHeight,val));if(cm.display.scroller.scrollTop==val&&!forceScroll){return} +cm.doc.scrollTop=val;cm.display.scrollbars.setScrollTop(val);if(cm.display.scroller.scrollTop!=val){cm.display.scroller.scrollTop=val;}} +function setScrollLeft(cm,val,isScroller,forceScroll){val=Math.max(0,Math.min(val,cm.display.scroller.scrollWidth-cm.display.scroller.clientWidth));if((isScroller?val==cm.doc.scrollLeft:Math.abs(cm.doc.scrollLeft-val)<2)&&!forceScroll){return} +cm.doc.scrollLeft=val;alignHorizontally(cm);if(cm.display.scroller.scrollLeft!=val){cm.display.scroller.scrollLeft=val;} +cm.display.scrollbars.setScrollLeft(val);} +function measureForScrollbars(cm){var d=cm.display,gutterW=d.gutters.offsetWidth;var docH=Math.round(cm.doc.height+paddingVert(cm.display));return{clientHeight:d.scroller.clientHeight,viewHeight:d.wrapper.clientHeight,scrollWidth:d.scroller.scrollWidth,clientWidth:d.scroller.clientWidth,viewWidth:d.wrapper.clientWidth,barLeft:cm.options.fixedGutter?gutterW:0,docHeight:docH,scrollHeight:docH+scrollGap(cm)+d.barHeight,nativeBarWidth:d.nativeBarWidth,gutterWidth:gutterW}} +var NativeScrollbars=function(place,scroll,cm){this.cm=cm;var vert=this.vert=elt("div",[elt("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar");var horiz=this.horiz=elt("div",[elt("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");vert.tabIndex=horiz.tabIndex=-1;place(vert);place(horiz);on(vert,"scroll",function(){if(vert.clientHeight){scroll(vert.scrollTop,"vertical");}});on(horiz,"scroll",function(){if(horiz.clientWidth){scroll(horiz.scrollLeft,"horizontal");}});this.checkedZeroWidth=false;if(ie&&ie_version<8){this.horiz.style.minHeight=this.vert.style.minWidth="18px";}};NativeScrollbars.prototype.update=function(measure){var needsH=measure.scrollWidth>measure.clientWidth+1;var needsV=measure.scrollHeight>measure.clientHeight+1;var sWidth=measure.nativeBarWidth;if(needsV){this.vert.style.display="block";this.vert.style.bottom=needsH?sWidth+"px":"0";var totalHeight=measure.viewHeight-(needsH?sWidth:0);this.vert.firstChild.style.height=Math.max(0,measure.scrollHeight-measure.clientHeight+totalHeight)+"px";}else{this.vert.scrollTop=0;this.vert.style.display="";this.vert.firstChild.style.height="0";} +if(needsH){this.horiz.style.display="block";this.horiz.style.right=needsV?sWidth+"px":"0";this.horiz.style.left=measure.barLeft+"px";var totalWidth=measure.viewWidth-measure.barLeft-(needsV?sWidth:0);this.horiz.firstChild.style.width=Math.max(0,measure.scrollWidth-measure.clientWidth+totalWidth)+"px";}else{this.horiz.style.display="";this.horiz.firstChild.style.width="0";} +if(!this.checkedZeroWidth&&measure.clientHeight>0){if(sWidth==0){this.zeroWidthHack();} +this.checkedZeroWidth=true;} +return{right:needsV?sWidth:0,bottom:needsH?sWidth:0}};NativeScrollbars.prototype.setScrollLeft=function(pos){if(this.horiz.scrollLeft!=pos){this.horiz.scrollLeft=pos;} +if(this.disableHoriz){this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz");}};NativeScrollbars.prototype.setScrollTop=function(pos){if(this.vert.scrollTop!=pos){this.vert.scrollTop=pos;} +if(this.disableVert){this.enableZeroWidthBar(this.vert,this.disableVert,"vert");}};NativeScrollbars.prototype.zeroWidthHack=function(){var w=mac&&!mac_geMountainLion?"12px":"18px";this.horiz.style.height=this.vert.style.width=w;this.horiz.style.visibility=this.vert.style.visibility="hidden";this.disableHoriz=new Delayed;this.disableVert=new Delayed;};NativeScrollbars.prototype.enableZeroWidthBar=function(bar,delay,type){bar.style.visibility="";function maybeDisable(){var box=bar.getBoundingClientRect();var elt=type=="vert"?document.elementFromPoint(box.right-1,(box.top+box.bottom)/2):document.elementFromPoint((box.right+box.left)/2,box.bottom-1);if(elt!=bar){bar.style.visibility="hidden";} +else{delay.set(1000,maybeDisable);}} +delay.set(1000,maybeDisable);};NativeScrollbars.prototype.clear=function(){var parent=this.horiz.parentNode;parent.removeChild(this.horiz);parent.removeChild(this.vert);};var NullScrollbars=function(){};NullScrollbars.prototype.update=function(){return{bottom:0,right:0}};NullScrollbars.prototype.setScrollLeft=function(){};NullScrollbars.prototype.setScrollTop=function(){};NullScrollbars.prototype.clear=function(){};function updateScrollbars(cm,measure){if(!measure){measure=measureForScrollbars(cm);} +var startWidth=cm.display.barWidth,startHeight=cm.display.barHeight;updateScrollbarsInner(cm,measure);for(var i=0;i<4&&startWidth!=cm.display.barWidth||startHeight!=cm.display.barHeight;i++){if(startWidth!=cm.display.barWidth&&cm.options.lineWrapping) +{updateHeightsInViewport(cm);} +updateScrollbarsInner(cm,measureForScrollbars(cm));startWidth=cm.display.barWidth;startHeight=cm.display.barHeight;}} +function updateScrollbarsInner(cm,measure){var d=cm.display;var sizes=d.scrollbars.update(measure);d.sizer.style.paddingRight=(d.barWidth=sizes.right)+"px";d.sizer.style.paddingBottom=(d.barHeight=sizes.bottom)+"px";d.heightForcer.style.borderBottom=sizes.bottom+"px solid transparent";if(sizes.right&&sizes.bottom){d.scrollbarFiller.style.display="block";d.scrollbarFiller.style.height=sizes.bottom+"px";d.scrollbarFiller.style.width=sizes.right+"px";}else{d.scrollbarFiller.style.display="";} +if(sizes.bottom&&cm.options.coverGutterNextToScrollbar&&cm.options.fixedGutter){d.gutterFiller.style.display="block";d.gutterFiller.style.height=sizes.bottom+"px";d.gutterFiller.style.width=measure.gutterWidth+"px";}else{d.gutterFiller.style.display="";}} +var scrollbarModel={"native":NativeScrollbars,"null":NullScrollbars};function initScrollbars(cm){if(cm.display.scrollbars){cm.display.scrollbars.clear();if(cm.display.scrollbars.addClass) +{rmClass(cm.display.wrapper,cm.display.scrollbars.addClass);}} +cm.display.scrollbars=new scrollbarModel[cm.options.scrollbarStyle](function(node){cm.display.wrapper.insertBefore(node,cm.display.scrollbarFiller);on(node,"mousedown",function(){if(cm.state.focused){setTimeout(function(){return cm.display.input.focus();},0);}});node.setAttribute("cm-not-content","true");},function(pos,axis){if(axis=="horizontal"){setScrollLeft(cm,pos);} +else{updateScrollTop(cm,pos);}},cm);if(cm.display.scrollbars.addClass) +{addClass(cm.display.wrapper,cm.display.scrollbars.addClass);}} +var nextOpId=0;function startOperation(cm){cm.curOp={cm:cm,viewChanged:false,startHeight:cm.doc.height,forceUpdate:false,updateInput:0,typing:false,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:false,updateMaxLine:false,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:false,id:++nextOpId,markArrays:null};pushOperation(cm.curOp);} +function endOperation(cm){var op=cm.curOp;if(op){finishOperation(op,function(group){for(var i=0;i=display.viewTo)||display.maxLineChanged&&cm.options.lineWrapping;op.update=op.mustUpdate&&new DisplayUpdate(cm,op.mustUpdate&&{top:op.scrollTop,ensure:op.scrollToPos},op.forceUpdate);} +function endOperation_W1(op){op.updatedDisplay=op.mustUpdate&&updateDisplayIfNeeded(op.cm,op.update);} +function endOperation_R2(op){var cm=op.cm,display=cm.display;if(op.updatedDisplay){updateHeightsInViewport(cm);} +op.barMeasure=measureForScrollbars(cm);if(display.maxLineChanged&&!cm.options.lineWrapping){op.adjustWidthTo=measureChar(cm,display.maxLine,display.maxLine.text.length).left+3;cm.display.sizerWidth=op.adjustWidthTo;op.barMeasure.scrollWidth=Math.max(display.scroller.clientWidth,display.sizer.offsetLeft+op.adjustWidthTo+scrollGap(cm)+cm.display.barWidth);op.maxScrollLeft=Math.max(0,display.sizer.offsetLeft+op.adjustWidthTo-displayWidth(cm));} +if(op.updatedDisplay||op.selectionChanged) +{op.preparedSelection=display.input.prepareSelection();}} +function endOperation_W2(op){var cm=op.cm;if(op.adjustWidthTo!=null){cm.display.sizer.style.minWidth=op.adjustWidthTo+"px";if(op.maxScrollLeft