73     

    74     /**

    75     *

    76     * Abstrct method to parse source text for matches.

    77     *

    78     * Applies the rule's regular expression to the source text, passes

    79     * every match to the process() method, and replaces the matched text

    80     * with the results of the processing.

    81     *

    82     * @access public

    83     *

    84     * @see Text_Wiki_Parse::process()

    85     *

    86     */

    87 

    88     function parse()

    89     {

    90         $source =& $this->wiki->source;

    91         

    92         // This regex attempts to find HTML tags that can be safely compacted together without formatting loss

    93         // The idea is to make it easier for the HTML parser to find litewiki elements

    94         //$source = preg_replace('/<\/([a-z0-9:-]+?)>([\s]*[\n]+[\s]+|[\s]+[\n]+[\s]*|[\n]+)<([a-z0-9:-]+)(.*?)>/i', '</\\1><\\3\\4>', $source);

    95         $source = wikiformat_process_block($source);

    96         

    97         $rand_key = md5( str_rot13(strval(dechex(time()))) . microtime() . strval(mt_rand()) );

    98         preg_match_all('/<(litewiki|pre)([^>]*?)>(.*?)<\/\\1>/is', $this->wiki->source, $matches);

    99         

   100         $poslist = array();

   101         

   102         foreach ( $matches[0] as $i => $match )

   103         {

   104             $source = str_replace($match, "{LITEWIKI:$i:$rand_key}", $source);

   105         }

   106         

   107         $this->wiki->source = preg_replace_callback(

   108             $this->regex,

   109             array(&$this, 'process'),

   110             $this->wiki->source

   111         );

   112         

   113         foreach ( $matches[3] as $i => $match )

   114         {

   115             $source = str_replace("{LITEWIKI:$i:$rand_key}", $match, $source);

   116         }

   117         

   118         // die('<pre>'.htmlspecialchars($source).'</pre>');

   119         

   120         unset($matches, $source, $rand_key);

   121     }