From 61e55f145ba5469b2a3cc8dd82f7a5638936d7bd Mon Sep 17 00:00:00 2001
From: Polonkai Gergely <polesz@w00d5t0ck.info>
Date: Mon, 17 Sep 2012 15:12:40 +0200
Subject: [PATCH] Now removing code chunks from the RSS feed.

---
 .../Resources/views/Blog/feed.xml.twig        |  2 +-
 .../FrontBundle/Twig/CodeChunk.php            | 35 +++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/GergelyPolonkai/FrontBundle/Resources/views/Blog/feed.xml.twig b/src/GergelyPolonkai/FrontBundle/Resources/views/Blog/feed.xml.twig
index f407ec3..ae35fc1 100644
--- a/src/GergelyPolonkai/FrontBundle/Resources/views/Blog/feed.xml.twig
+++ b/src/GergelyPolonkai/FrontBundle/Resources/views/Blog/feed.xml.twig
@@ -19,7 +19,7 @@
 			<link>{{ app.request.scheme }}://{{app.request.host }}{{ path('GergelyPolonkaiFrontBundle_blogViewPost', {year: post.createdAt|date('Y'), month: post.createdAt|date('m'), day: post.createdAt|date('d'), slug: post.slug }) }}</link>
 			<comments>{{ app.request.scheme }}://{{app.request.host }}{{ path('GergelyPolonkaiFrontBundle_blogViewPost', {year: post.createdAt|date('Y'), month: post.createdAt|date('m'), day: post.createdAt|date('d'), slug: post.slug }) }}#comments</comments>
 			<pubDate>{{ post.createdAt|date('r') }}</pubDate>
-			<description><![CDATA[{{post.content}}]]></description>
+			<description><![CDATA[{{ post.content|remove_code_chunks }}]]></description>
 			<guid>{{ app.request.scheme }}://{{app.request.host }}{{ path('GergelyPolonkaiFrontBundle_blogViewPost', {year: post.createdAt|date('Y'), month: post.createdAt|date('m'), day: post.createdAt|date('d'), slug: post.slug }) }}</guid>
 {#
 			<category><![CDATA[Cat1]]></category>
diff --git a/src/GergelyPolonkai/FrontBundle/Twig/CodeChunk.php b/src/GergelyPolonkai/FrontBundle/Twig/CodeChunk.php
index bf65df0..162c272 100644
--- a/src/GergelyPolonkai/FrontBundle/Twig/CodeChunk.php
+++ b/src/GergelyPolonkai/FrontBundle/Twig/CodeChunk.php
@@ -46,6 +46,7 @@ class CodeChunk extends \Twig_Extension
     {
         return array(
             'insert_code_chunks' => new \Twig_Filter_Method($this, 'insertCodeChunks', array('is_safe' => array('html'))),
+            'remove_code_chunks' => new \Twig_Filter_Method($this, 'removeCodeChunks', array('is_safe' => array('html'))),
         );
     }
 
@@ -106,6 +107,40 @@ class CodeChunk extends \Twig_Extension
         return $string;
     }
 
+    public function removeCodeChunks($string)
+    {
+        $m = array();
+        $chunkRepo = $this->doctrine->getRepository('GergelyPolonkaiFrontBundle:CodeChunk');
+
+        while (
+            preg_match(
+                '/\\[\\$ code:([^:]+):([^ ]+) \\$\\]/i',
+                    $string, $m, PREG_OFFSET_CAPTURE)
+        ) {
+            $start = $m[0][1];
+            $fullTag = $m[0][0];
+            $len = strlen($fullTag);
+            $replacement = '';
+
+            $string = substr_replace($string, $replacement, $start, $len);
+        }
+
+        while (
+            preg_match(
+                '/\\[\\$ code:([^:]+):(.+?) \\$\\]/is',
+                    $string, $m, PREG_OFFSET_CAPTURE)
+        ) {
+            $start = $m[0][1];
+            $fullTag = $m[0][0];
+            $len = strlen($fullTag);
+            $replacement = '';
+
+            $string = substr_replace($string, $replacement, $start, $len);
+        }
+
+        return $string;
+    }
+
     public function getName()
     {
         return "code_chunk";