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<?php
/**
*
* Parses for emphasized text.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
* @license LGPL
*
* @version $Id: Emphasis.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
*
*/
/**
*
* Parses for emphasized text.
*
* 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.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
*/
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;
}
}
?>