From 42db3cac06ad7f49dc10c7993e2df54b5bb4b2ab Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Thu, 6 Sep 2007 17:06:07 +0000
Subject: Added code highlighting support in wiki, using this syntax:

<pre><code> <-- cut here

  <pre><code class="ruby">
    Place you code here.
  </code></pre>

cut here --> </pre></code>

git-svn-id: http://redmine.rubyforge.org/svn/trunk@710 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/wiki_formatting.rb | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/redmine/wiki_formatting.rb b/lib/redmine/wiki_formatting.rb
index b6b2ff802..e9f5eb749 100644
--- a/lib/redmine/wiki_formatting.rb
+++ b/lib/redmine/wiki_formatting.rb
@@ -1,4 +1,5 @@
 require 'redcloth'
+require 'coderay'
 
 module Redmine
   module WikiFormatting
@@ -24,7 +25,22 @@ module Redmine
       def hard_break( text ) 
         text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks 
       end
-  
+      
+      # Patch to add code highlighting support to RedCloth
+      def smooth_offtags( text )
+        unless @pre_list.empty?
+          ## replace <pre> content
+          text.gsub!(/<redpre#(\d+)>/) do
+            content = @pre_list[$1.to_i]
+            if content.match(/<code\s+class="(\w+)">\s?(.+)/m)
+              content = "<code class=\"#{$1} CodeRay\">" + 
+                CodeRay.scan($2, $1).html(:escape => false, :line_numbers => :inline)
+            end
+            content
+          end
+        end
+      end
+      
       AUTO_LINK_RE = %r{
                         (                          # leading text
                           <\w+.*?>|                # leading HTML tag, or
-- 
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