<?php

/**

* 

* Parses for centered lines of text.

* 

* @category Text

* 

* @package Text_Wiki

* 

* @author Paul M. Jones <pmjones@php.net>

* 

* @license LGPL

* 

* @version $Id: Center.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $

* 

*/

/**

* 

* Parses for centered lines of text.

* 

* This class implements a Text_Wiki_Parse to find lines marked for centering.

* The line must start with "= " (i.e., an equal-sign followed by a space).

*

* @category Text

* 

* @package Text_Wiki

* 

* @author Paul M. Jones <pmjones@php.net>

* 

*/

class Text_Wiki_Parse_Center extends Text_Wiki_Parse {

    /**

    * 

    * The regular expression used to find source text matching this

    * rule.

    * 

    * @access public

    * 

    * @var string

    * 

    */

    var $regex = '/\n\= (.*?)\n/';

    /**

    * 

    * Generates a token entry for the matched text.

    * 

    * @access public

    *

    * @param array &$matches The array of matches from parse().

    *

    * @return A delimited token number to be used as a placeholder in

    * the source text.

    *

    */

    function process(&$matches)

    {

        $start = $this->wiki->addToken(

            $this->rule,

            array('type' => 'start')

        );

        $end = $this->wiki->addToken(

            $this->rule,

            array('type' => 'end')

        );

        return "\n" . $start . $matches[1] . $end . "\n";

    }

}

?>