includes/wikiengine/Parse/Mediawiki/Toc.php
author Dan
Sat, 21 Jul 2007 11:28:59 -0400
changeset 72 bda11e521e8a
parent 1 fe660c52c48f
permissions -rw-r--r--
Fixed a few presentation bugs in installer, made installer more "legally binding", and fixed global permissions inheritance in $session->fetch_page_acl()
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<?php
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/**
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* 
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* Looks through parsed text and builds a table of contents.
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* 
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* @category Text
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* 
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* @package Text_Wiki
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* 
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* @author Paul M. Jones <pmjones@php.net>
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* 
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* @license LGPL
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* 
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* @version $Id: Toc.php,v 1.4 2005/05/28 21:33:02 pmjones Exp $
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* 
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*/
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/**
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* 
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* Looks through parsed text and builds a table of contents.
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* 
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* This class implements a Text_Wiki_Parse to find all heading tokens and
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* build a table of contents.  The [[toc]] tag gets replaced with a list
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* of all the level-2 through level-6 headings.
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*
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* @category Text
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* 
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* @package Text_Wiki
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* 
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* @author Paul M. Jones <pmjones@php.net>
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* 
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*/
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class Text_Wiki_Parse_Toc extends Text_Wiki_Parse {
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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 = "/\n\[\[toc( .*)?\]\]\n/m";
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    /**
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    * 
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    * Generates a replacement for the matched text.
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    *  
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    * Token options are:
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    * 
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    * 'type' => ['list_start'|'list_end'|'item_start'|'item_end'|'target']
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    *
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    * 'level' => The heading level (1-6).
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    *
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    * 'count' => Which entry number this is in the list.
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    * 
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    * @access public
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    *
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    * @param array &$matches The array of matches from parse().
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    *
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    * @return string A token indicating the TOC collection point.
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    *
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    */
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    function process(&$matches)
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    {
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        $count = 0;
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        if (isset($matches[1])) {
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            $attr = $this->getAttrs(trim($matches[1]));
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        } else {
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            $attr = array();
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        }
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        $output = $this->wiki->addToken(
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            $this->rule,
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            array(
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                'type' => 'list_start',
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                'level' => 0,
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                'attr' => $attr
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            )
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        );
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        foreach ($this->wiki->getTokens('Heading') as $key => $val) {
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            if ($val[1]['type'] != 'start') {
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                continue;
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            }
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            $options = array(
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                'type'  => 'item_start',
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                'id'    => $val[1]['id'],
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                'level' => $val[1]['level'],
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                'count' => $count ++
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            );
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            $output .= $this->wiki->addToken($this->rule, $options);
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            $output .= $val[1]['text'];
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            $output .= $this->wiki->addToken(
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                $this->rule,
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                array(
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                    'type' => 'item_end',
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                    'level' => $val[1]['level']
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                )
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            );
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        }
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        $output .= $this->wiki->addToken(
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            $this->rule, array(
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                'type' => 'list_end',
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                'level' => 0
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            )
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        );
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        return "\n$output\n";
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    }
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}
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?>