120 lines
3.5 KiB
PHP
120 lines
3.5 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Paul M. Jones <pmjones@ciaweb.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: heading.php,v 1.3 2004/12/02 10:54:32 nohn Exp $
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/**
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*
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* This class implements a Text_Wiki_Rule to find source text marked to
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* be a heading element, as defined by text on a line by itself prefixed
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* with a number of plus signs (+). The heading text itself is left in
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* the source, but is prefixed and suffixed with delimited tokens marking
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* the start and end of the heading.
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*
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* @author Paul M. Jones <pmjones@ciaweb.net>
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*
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* @package Text_Wiki
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*
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*/
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class Text_Wiki_Rule_heading extends Text_Wiki_Rule {
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/**
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*
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* The regular expression used to parse the source text and find
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* matches conforming to this rule. Used by the parse() method.
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*
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* @access public
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*
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* @var string
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*
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* @see parse()
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*
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*/
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var $regex = '/^(\+{1,6}) (.*)/m';
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/**
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*
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* Generates a replacement for the matched text. Token options are:
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*
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* 'type' => ['start'|'end'] The starting or ending point of the
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* heading text. The text itself is left in the source.
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*
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* @access public
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*
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* @param array &$matches The array of matches from parse().
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*
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* @return string A pair of delimited tokens to be used as a
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* placeholder in the source text surrounding the heading text.
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*
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*/
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function process(&$matches)
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{
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$start = $this->addToken(
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array(
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'type' => 'start',
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'level' => strlen($matches[1]),
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'text' => $matches[2]
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)
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);
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$end = $this->addToken(
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array(
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'type' => 'end',
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'level' => strlen($matches[1])
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)
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);
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return $start . $matches[2] . $end . "\n";
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}
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/**
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*
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* Renders a token into text matching the requested format.
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*
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* @access public
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*
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* @param array $options The "options" portion of the token (second
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* element).
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*
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* @return string The text rendered from the token options.
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*
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*/
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function renderXhtml($options)
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{
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// get nice variable names (type, level)
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extract($options);
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if ($type == 'start') {
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return "<h$level>";
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}
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if ($type == 'end') {
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return "</h$level>\n";
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}
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}
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}
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?>
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