From 6e2beaa969d6dd68652fa2cd79ad4eb6eeeaae49 Mon Sep 17 00:00:00 2001
From: Brandon Mathis <brandon@imathis.com>
Date: Tue, 26 Jul 2011 23:37:31 -0400
Subject: added support for github style backtick code blocks

---
 plugins/octopress_filters.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'plugins')

diff --git a/plugins/octopress_filters.rb b/plugins/octopress_filters.rb
index 429e505c..e85466e3 100644
--- a/plugins/octopress_filters.rb
+++ b/plugins/octopress_filters.rb
@@ -1,6 +1,8 @@
 #custom filters for Octopress
+require './plugins/pygments_code'
 
 module OctopressFilters
+  include HighlightCode
   # Used on the blog index to split posts on the <!--more--> marker
   def excerpt(input)
     if input.index(/<!--\s*more\s*-->/i)
@@ -19,6 +21,18 @@ module OctopressFilters
     end
   end
 
+  # for Github style codeblocks eg.
+  # ``` ruby
+  #     code snippet
+  # ```
+  def backtick_codeblock(input)
+    input.gsub /<p>`{3}\s(\w+)<\/p>.+<pre><code>(.+)<\/code><\/pre>.+`{3}<\/p>/m do
+      lang = $1
+      str  = $2.gsub(/^\s{4}/, '').gsub('&lt;','<').gsub('&gt;','>')
+      highlight(str, lang)
+    end
+  end
+
   # Replaces relative urls with full urls
   def expand_urls(input, url='')
     url ||= '/'
-- 
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