From fcb54b196e3f22c15b3cb6b4c8225db6bcfc1b0d Mon Sep 17 00:00:00 2001
From: benweet <benoit.schweblin@gmail.com>
Date: Fri, 27 Dec 2013 21:07:49 +0100
Subject: [PATCH] Added option to disable intra-word stars/underscores in
 Markdown Extra extension. Fixes #156. Fixes #243.

---
 bower.json                                    |  5 ++---
 public/res/core.js                            | 11 ++++++++++
 public/res/extensions/markdownExtra.js        | 22 +++++++++++++++----
 .../res/html/markdownExtraSettingsBlock.html  |  9 ++++++++
 4 files changed, 40 insertions(+), 7 deletions(-)

diff --git a/bower.json b/bower.json
index d9fc779a..7a19e442 100644
--- a/bower.json
+++ b/bower.json
@@ -18,7 +18,7 @@
     "requirejs-text": "~2.0.10",
     "bootstrap-tour": "~0.7.1",
     "ace": "4bbe5346f2ae5ad35c0c47defa244ab27aedd451",
-    "pagedown-ace": "https://github.com/benweet/pagedown-ace.git#72a27932f6f4f78e93a186aa2947d1f15c1cd7d5",
+    "pagedown-ace": "git@github.com:benweet/pagedown-ace.git#84d5e1b7ff233a1c8cafa9716e825228d275120c",
     "pagedown-extra": "git@github.com:jmcmanus/pagedown-extra.git#9c77f3ad718fec32935f092a560c0023355caf9a",
     "crel": "git@github.com:KoryNunn/crel.git#8dbda04b129fc0aec01a2a080d1cab26816e11c1",
     "waitForImages": "git@github.com:alexanderdickson/waitForImages.git#~1.4.2",
@@ -30,7 +30,6 @@
   },
   "resolutions": {
     "jquery": "2.0.3",
-    "bootstrap": "v3.0.0",
-    "pagedown-extra": "05e56619f8fd74421575677c64eb895264f4c375"
+    "bootstrap": "v3.0.0"
   }
 }
diff --git a/public/res/core.js b/public/res/core.js
index d1f76694..19c0a248 100644
--- a/public/res/core.js
+++ b/public/res/core.js
@@ -524,6 +524,17 @@ define([
 
         // Create the converter and the editor
         var converter = new Markdown.Converter();
+        var options = {
+            _DoItalicsAndBold: function(text) {
+                // Restore original markdown implementation
+                text = text.replace(/(\*\*|__)(?=\S)(.+?[*_]*)(?=\S)\1/g,
+                "<strong>$2</strong>");
+                text = text.replace(/(\*|_)(?=\S)(.+?)(?=\S)\1/g,
+                "<em>$2</em>");
+                return text;
+            }
+        };
+        converter.setOptions(options);
 
         function checkDocumentChanges() {
             var newDocumentContent = $editorElt.val();
diff --git a/public/res/extensions/markdownExtra.js b/public/res/extensions/markdownExtra.js
index ff13c4c4..15ff49bf 100644
--- a/public/res/extensions/markdownExtra.js
+++ b/public/res/extensions/markdownExtra.js
@@ -23,6 +23,7 @@ define([
             "strikethrough",
             "newlines",
         ],
+        intraword: true,
         highlighter: "prettify"
     };
 
@@ -40,6 +41,7 @@ define([
         utils.setInputChecked("#input-markdownextra-smartypants", hasExtension("smartypants"));
         utils.setInputChecked("#input-markdownextra-strikethrough", hasExtension("strikethrough"));
         utils.setInputChecked("#input-markdownextra-newlines", hasExtension("newlines"));
+        utils.setInputChecked("#input-markdownextra-intraword", markdownExtra.config.intraword);
         utils.setInputValue("#input-markdownextra-highlighter", markdownExtra.config.highlighter);
     };
 
@@ -53,6 +55,7 @@ define([
         utils.getInputChecked("#input-markdownextra-smartypants") && newConfig.extensions.push("smartypants");
         utils.getInputChecked("#input-markdownextra-strikethrough") && newConfig.extensions.push("strikethrough");
         utils.getInputChecked("#input-markdownextra-newlines") && newConfig.extensions.push("newlines");
+        newConfig.intraword = utils.getInputChecked("#input-markdownextra-intraword");
         newConfig.highlighter = utils.getInputValue("#input-markdownextra-highlighter");
     };
 
@@ -63,11 +66,22 @@ define([
 
     markdownExtra.onPagedownConfigure = function(editor) {
         var converter = editor.getConverter();
-        var options = {
+        if(markdownExtra.config.intraword === true) {
+            var converterOptions = {
+                _DoItalicsAndBold: function(text) {
+                    text = text.replace(/([^\w*]|^)(\*\*|__)(?=\S)(.+?[*_]*)(?=\S)\2(?=[^\w*]|$)/g, "$1<strong>$3</strong>");
+                    text = text.replace(/([^\w*]|^)(\*|_)(?=\S)(.+?)(?=\S)\2(?=[^\w*]|$)/g, "$1<em>$3</em>");
+                    return text;
+                }
+            };
+            converter.setOptions(converterOptions);
+        }
+
+        var extraOptions = {
             extensions: markdownExtra.config.extensions
         };
         if(markdownExtra.config.highlighter == "highlight") {
-            options.highlighter = "prettify";
+            extraOptions.highlighter = "prettify";
             var previewContentsElt = document.getElementById('preview-contents');
             editor.hooks.chain("onPreviewRefresh", function() {
                 _.each(previewContentsElt.querySelectorAll('.prettyprint > code'), function(elt) {
@@ -76,10 +90,10 @@ define([
             });
         }
         else if(markdownExtra.config.highlighter == "prettify") {
-            options.highlighter = "prettify";
+            extraOptions.highlighter = "prettify";
             editor.hooks.chain("onPreviewRefresh", prettify.prettyPrint);
         }
-        Markdown.Extra.init(converter, options);
+        Markdown.Extra.init(converter, extraOptions);
     };
 
     return markdownExtra;
diff --git a/public/res/html/markdownExtraSettingsBlock.html b/public/res/html/markdownExtraSettingsBlock.html
index f07b10ac..5ca59974 100644
--- a/public/res/html/markdownExtraSettingsBlock.html
+++ b/public/res/html/markdownExtraSettingsBlock.html
@@ -53,6 +53,15 @@
 			</div>
 		</div>
 	</div>
+	<div class="form-group">
+		<label class="col-lg-4 control-label"
+			for="input-markdownextra-intraword">GFM intra-word stars/underscores</label>
+		<div class="col-lg-7">
+			<div class="checkbox">
+				<input type="checkbox" id="input-markdownextra-intraword">
+			</div>
+		</div>
+	</div>
 	<div class="form-group">
 		<label class="col-lg-4 control-label"
 			for="input-markdownextra-strikethrough">GFM strikethrough</label>