Initial Commit

Author: RyanNutt

.gitignore

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+nbproject/*

filter.php

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+<?php
+
+class filter_gistembed extends moodle_text_filter {
+    
+    public function filter($text, array $options = array()) { 
+        $cnt = preg_match_all('/https?:\/\/gist\.github\.com\/(.*?)\/([a-f0-9]*)/', $text, $matches);
+        if ($cnt) {
+            for ($i=0; $i<$cnt; ++$i) {
+                $script = '<script src="https://gist.github.com/' . $matches[1][$i] . '/' . $matches[2][$i] . '.js"></script>'; 
+                 $text = str_replace($matches[0][$i], $script, $text); 
+            }
+        }
+        return $text; 
+    }
+    
+}
+

lang/en/filter_gistembed.php

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+<?php
+
+$string['filtername'] = 'Gist Embed';