From a502d96a860456ec5e8c96761db70f7cabb74751 Mon Sep 17 00:00:00 2001 From: Paul Martin <paul@paulsputer.com> Date: Sat, 30 Apr 2016 04:19:14 -0400 Subject: [PATCH] Merge pull request #1073 from gitblit/1062-DocEditorUpdates --- src/main/java/com/gitblit/utils/MarkdownUtils.java | 64 ++++++++++++++++++++++++++++++- 1 files changed, 61 insertions(+), 3 deletions(-) diff --git a/src/main/java/com/gitblit/utils/MarkdownUtils.java b/src/main/java/com/gitblit/utils/MarkdownUtils.java index 1595f65..e0c9dd4 100644 --- a/src/main/java/com/gitblit/utils/MarkdownUtils.java +++ b/src/main/java/com/gitblit/utils/MarkdownUtils.java @@ -16,14 +16,23 @@ package com.gitblit.utils; import static org.pegdown.Extensions.ALL; +import static org.pegdown.Extensions.ANCHORLINKS; +import static org.pegdown.Extensions.SMARTYPANTS; import java.io.IOException; import java.io.Reader; import java.io.StringWriter; +import java.text.MessageFormat; import org.apache.commons.io.IOUtils; import org.pegdown.LinkRenderer; +import org.pegdown.ParsingTimeoutException; import org.pegdown.PegDownProcessor; +import org.pegdown.ast.RootNode; + +import com.gitblit.IStoredSettings; +import com.gitblit.Keys; +import com.gitblit.wicket.MarkupProcessor.WorkaroundHtmlSerializer; /** * Utility methods for transforming raw markdown text to html. @@ -67,9 +76,13 @@ * @throws java.text.ParseException */ public static String transformMarkdown(String markdown, LinkRenderer linkRenderer) { - PegDownProcessor pd = new PegDownProcessor(ALL); - String html = pd.markdownToHtml(markdown, linkRenderer == null ? new LinkRenderer() : linkRenderer); - return html; + try { + PegDownProcessor pd = new PegDownProcessor(ALL & ~SMARTYPANTS & ~ANCHORLINKS); + RootNode astRoot = pd.parseMarkdown(markdown.toCharArray()); + return new WorkaroundHtmlSerializer(linkRenderer == null ? new LinkRenderer() : linkRenderer).toHtml(astRoot); + } catch (ParsingTimeoutException e) { + return null; + } } /** @@ -95,4 +108,49 @@ } } } + + + /** + * Transforms GFM (Github Flavored Markdown) to html. + * Gitblit does not support the complete GFM specification. + * + * @param input + * @param repositoryName + * @return html + */ + public static String transformGFM(IStoredSettings settings, String input, String repositoryName) { + String text = input; + + // strikethrough + text = text.replaceAll("~~(.*)~~", "<s>$1</s>"); + text = text.replaceAll("\\{(?:-){2}(.*)(?:-){2}}", "<s>$1</s>"); + + // underline + text = text.replaceAll("\\{(?:\\+){2}(.*)(?:\\+){2}}", "<u>$1</u>"); + + // strikethrough, replacement + text = text.replaceAll("\\{~~(.*)~>(.*)~~}", "<s>$1</s><u>$2</u>"); + + // highlight + text = text.replaceAll("\\{==(.*)==}", "<span class='highlight'>$1</span>"); + + String canonicalUrl = settings.getString(Keys.web.canonicalUrl, "https://localhost:8443"); + + // emphasize and link mentions + String mentionReplacement = String.format(" **[@$1](%1s/user/$1)**", canonicalUrl); + text = text.replaceAll("\\s@([A-Za-z0-9-_]+)", mentionReplacement); + + // link ticket refs + String ticketReplacement = MessageFormat.format("$1[#$2]({0}/tickets?r={1}&h=$2)$3", canonicalUrl, repositoryName); + text = text.replaceAll("([\\s,]+)#(\\d+)([\\s,:\\.\\n])", ticketReplacement); + + // link commit shas + int shaLen = settings.getInteger(Keys.web.shortCommitIdLength, 6); + String commitPattern = MessageFormat.format("\\s([A-Fa-f0-9]'{'{0}'}')([A-Fa-f0-9]'{'{1}'}')", shaLen, 40 - shaLen); + String commitReplacement = String.format(" [`$1`](%1$s/commit?r=%2$s&h=$1$2)", canonicalUrl, repositoryName); + text = text.replaceAll(commitPattern, commitReplacement); + + String html = transformMarkdown(text); + return html; + } } -- Gitblit v1.9.1