+ − <?php
+ −
+ − /**
+ − *
+ − * Parses for heading text.
+ − *
+ − * @category Text
+ − *
+ − * @package Text_Wiki
+ − *
+ − * @author Paul M. Jones <pmjones@php.net>
+ − *
+ − * @license LGPL
+ − *
+ − * @version $Id: Heading.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
+ − *
+ − */
+ −
+ − /**
+ − *
+ − * Parses for heading text.
+ − *
+ − * This class implements a Text_Wiki_Parse to find source text marked to
+ − * be a heading element, as defined by text on a line by itself prefixed
+ − * with a number of plus signs (+). The heading text itself is left in
+ − * the source, but is prefixed and suffixed with delimited tokens marking
+ − * the start and end of the heading.
+ − *
+ − * @category Text
+ − *
+ − * @package Text_Wiki
+ − *
+ − * @author Paul M. Jones <pmjones@php.net>
+ − *
+ − */
+ −
+ − class Text_Wiki_Parse_Heading 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 = '/^(\+{1,6}) (.*)/m';
+ −
+ − var $conf = array(
+ − 'id_prefix' => 'toc'
+ − );
+ −
+ − /**
+ − *
+ − * Generates a replacement for the matched text. Token options are:
+ − *
+ − * 'type' => ['start'|'end'] The starting or ending point of the
+ − * heading text. The text itself is left in the source.
+ − *
+ − * @access public
+ − *
+ − * @param array &$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 heading text.
+ − *
+ − */
+ −
+ − function process(&$matches)
+ − {
+ − // keep a running count for header IDs. we use this later
+ − // when constructing TOC entries, etc.
+ − static $id;
+ − if (! isset($id)) {
+ − $id = 0;
+ − }
+ −
+ − $prefix = htmlspecialchars($this->getConf('id_prefix'));
+ −
+ − $start = $this->wiki->addToken(
+ − $this->rule,
+ − array(
+ − 'type' => 'start',
+ − 'level' => strlen($matches[1]),
+ − 'text' => $matches[2],
+ − 'id' => $prefix . $id ++
+ − )
+ − );
+ −
+ − $end = $this->wiki->addToken(
+ − $this->rule,
+ − array(
+ − 'type' => 'end',
+ − 'level' => strlen($matches[1])
+ − )
+ − );
+ −
+ − return $start . $matches[2] . $end . "\n";
+ − }
+ − }
+ − ?>