<?php/*** * Parses for definition lists.* * @category Text* * @package Text_Wiki* * @author Paul M. Jones <pmjones@php.net>* * @license LGPL* * @version $Id: Deflist.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $* *//*** * Parses for definition lists.* * This class implements a Text_Wiki_Parse to find source text marked as a* definition list. In short, if a line starts with ':' then it is a* definition list item; another ':' on the same line indicates the end* of the definition term and the beginning of the definition narrative.* The list items must be on sequential lines (no blank lines between* them) -- a blank line indicates the beginning of a new list.** @category Text* * @package Text_Wiki* * @author Paul M. Jones <pmjones@php.net>* */class Text_Wiki_Parse_Deflist 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 $regex = '/\n((: ).*\n)(?!(: |\n))/Us'; /** * * Generates a replacement for the matched text. Token options are: * * 'type' => * 'list_start' : the start of a definition list * 'list_end' : the end of a definition list * 'term_start' : the start of a definition term * 'term_end' : the end of a definition term * 'narr_start' : the start of definition narrative * 'narr_end' : the end of definition narrative * 'unknown' : unknown type of definition portion * * @access public * * @param array &$matches The array of matches from parse(). * * @return A series of text and delimited tokens marking the different * list text and list elements. * */ function process(&$matches) { // the replacement text we will return to parse() $return = ''; // the list of post-processing matches $list = array(); // start the deflist $options = array('type' => 'list_start'); $return .= $this->wiki->addToken($this->rule, $options); // $matches[1] is the text matched as a list set by parse(); // create an array called $list that contains a new set of // matches for the various definition-list elements. preg_match_all( '/^(: )(.*)?( : )(.*)?$/Ums', $matches[1], $list, PREG_SET_ORDER ); // add each term and narrative foreach ($list as $key => $val) { $return .= ( $this->wiki->addToken($this->rule, array('type' => 'term_start')) . trim($val[2]) . $this->wiki->addToken($this->rule, array('type' => 'term_end')) . $this->wiki->addToken($this->rule, array('type' => 'narr_start')) . trim($val[4]) . $this->wiki->addToken($this->rule, array('type' => 'narr_end')) ); } // end the deflist $options = array('type' => 'list_end'); $return .= $this->wiki->addToken($this->rule, $options); // done! return "\n" . $return . "\n\n"; }}?>