<?php// $Id: Emphasis.php,v 1.1 2005/01/31 15:46:52 pmjones Exp $/*** * This class implements a Text_Wiki_Parse to find source text marked for* emphasis (italics) as defined by text surrounded by two single-quotes.* On parsing, the text itself is left in place, but the starting and ending* instances of two single-quotes are replaced with tokens.** @author Paul M. Jones <pmjones@ciaweb.net>** @package Text_Wiki**/class Text_Wiki_Parse_emphasis extends Text_Wiki_Parse {            /**    *     * The regular expression used to parse the source text and find    * matches conforming to this rule.  Used by the parse() method.    *     * @access public    *     * @var string    *     * @see parse()    *     */        var $regex = "/\/\/(.*?)\/\//";            /**    *     * Generates a replacement for the matched text.  Token options are:    *     * 'type' => ['start'|'end'] The starting or ending point of the    * emphasized text.  The text itself is left in the source.    *     * @access public    *    * @param array &$matches The array of matches from parse().    *    * @return string A pair of delimited tokens to be used as a    * placeholder in the source text surrounding the text to be    * emphasized.    *    */        function process(&$matches)    {        $start = $this->wiki->addToken(            $this->rule, array('type' => 'start')        );                $end = $this->wiki->addToken(            $this->rule, array('type' => 'end')        );                return $start . $matches[1] . $end;    }}?>