includes/wikiengine/Parse/Default/Heading.php
author Dan
Thu, 17 Jan 2008 02:03:33 -0500
changeset 349 fdaf9070566c
parent 1 fe660c52c48f
permissions -rw-r--r--
More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
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<?php
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/**
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* 
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* Parses for heading text.
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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: Heading.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
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* 
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*/
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/**
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* 
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* Parses for heading text.
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* 
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* This class implements a Text_Wiki_Parse 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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* @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_Heading 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 = '/^(\+{1,6}) (.*)/m';
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    var $conf = array(
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        'id_prefix' => 'toc'
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    );
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    /**
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    * 
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    * Generates a replacement for the matched text.  Token options are:
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    * 
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    * 'type' => ['start'|'end'] The starting or ending point of the
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    * heading text.  The text itself is left in the source.
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    * 
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    * @access public
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    *
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    * @param array &$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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        // keep a running count for header IDs.  we use this later
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        // when constructing TOC entries, etc.
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        static $id;
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        if (! isset($id)) {
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            $id = 0;
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        }
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        $prefix = htmlspecialchars($this->getConf('id_prefix'));
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        $start = $this->wiki->addToken(
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            $this->rule, 
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            array(
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                'type' => 'start',
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                'level' => strlen($matches[1]),
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                'text' => $matches[2],
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                'id' => $prefix . $id ++
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            )
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        );
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        $end = $this->wiki->addToken(
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            $this->rule, 
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            array(
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                'type' => 'end',
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                'level' => strlen($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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?>