From cb9c603b6b7e318d2d84ccc80ef60c2b88649e02 Mon Sep 17 00:00:00 2001
From: kerryliu <kerryliu@gmail.com>
Date: Mon, 31 Aug 2015 10:01:36 -0700
Subject: [PATCH] workaround for code block being parsed before quote block.

---
 app/assets/javascripts/discourse/dialects/code_dialect.js | 1 +
 app/assets/javascripts/discourse/dialects/dialect.js      | 6 ++++++
 test/javascripts/lib/bbcode-test.js.es6                   | 7 +++++++
 3 files changed, 14 insertions(+)

diff --git a/app/assets/javascripts/discourse/dialects/code_dialect.js b/app/assets/javascripts/discourse/dialects/code_dialect.js
index e7322a4abeb..2594cd8316d 100644
--- a/app/assets/javascripts/discourse/dialects/code_dialect.js
+++ b/app/assets/javascripts/discourse/dialects/code_dialect.js
@@ -33,6 +33,7 @@ function codeFlattenBlocks(blocks) {
 Discourse.Dialect.replaceBlock({
   start: /^`{3}([^\n\[\]]+)?\n?([\s\S]*)?/gm,
   stop: /^```$/gm,
+  withoutLeading: /\[quote/gm, //if leading text contains a quote this should not match
   emitter: function(blockContents, matches) {
 
     var klass = Discourse.SiteSettings.default_code_lang;
diff --git a/app/assets/javascripts/discourse/dialects/dialect.js b/app/assets/javascripts/discourse/dialects/dialect.js
index e80e5e96710..1614c1c0f19 100644
--- a/app/assets/javascripts/discourse/dialects/dialect.js
+++ b/app/assets/javascripts/discourse/dialects/dialect.js
@@ -501,6 +501,12 @@ Discourse.Dialect = {
       var pos = args.start.lastIndex - match[0].length,
           leading = block.slice(0, pos),
           trailing = match[2] ? match[2].replace(/^\n*/, "") : "";
+
+      if(args.withoutLeading && args.withoutLeading.test(leading)) {
+        //The other leading block should be processed first! eg a code block wrapped around a code block.
+        return;
+      }
+
       // just give up if there's no stop tag in this or any next block
       args.stop.lastIndex = block.length - trailing.length;
       if (!args.stop.exec(block) && lastChance()) { return; }
diff --git a/test/javascripts/lib/bbcode-test.js.es6 b/test/javascripts/lib/bbcode-test.js.es6
index 575ad7e7558..1c1b4436d87 100644
--- a/test/javascripts/lib/bbcode-test.js.es6
+++ b/test/javascripts/lib/bbcode-test.js.es6
@@ -160,6 +160,13 @@ test("quote formatting", function() {
          "<aside class=\"quote\" data-post=\"1\" data-topic=\"1\"><div class=\"title\"><div class=\"quote-controls\"></div>Alice:" +
          "</div><blockquote><p>[quote=\"Bob, post:2, topic:1\"]</p></blockquote></aside>",
          "handles mismatched nested quote tags");
+
+  formatQ("[quote=\"Alice, post:1, topic:1\"]\n```javascript\nvar foo ='foo';\nvar bar = 'bar';\n```\n[/quote]",
+          "<aside class=\"quote\" data-post=\"1\" data-topic=\"1\"><div class=\"title\"><div class=\"quote-controls\"></div>Alice:</div><blockquote><p><pre><code class=\"lang-javascript\">var foo =&#x27;foo&#x27;;\nvar bar = &#x27;bar&#x27;;</code></pre></p></blockquote></aside>",
+          "quotes can have code blocks without leading newline");
+  formatQ("[quote=\"Alice, post:1, topic:1\"]\n\n```javascript\nvar foo ='foo';\nvar bar = 'bar';\n```\n[/quote]",
+          "<aside class=\"quote\" data-post=\"1\" data-topic=\"1\"><div class=\"title\"><div class=\"quote-controls\"></div>Alice:</div><blockquote><p><pre><code class=\"lang-javascript\">var foo =&#x27;foo&#x27;;\nvar bar = &#x27;bar&#x27;;</code></pre></p></blockquote></aside>",
+          "quotes can have code blocks with leading newline");
 });
 
 test("quotes with trailing formatting", function() {