includes/wikiengine/Parse/Mediawiki/Revise.php
author Dan
Sat, 15 Mar 2008 14:18:29 -0400
changeset 501 9367161b2457
parent 1 fe660c52c48f
permissions -rw-r--r--
Added support for an enano:expand=(closed|open) attribute on fieldsets to make them act like GTK expandable widgets; implementation is on Special:CreatePage
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<?php
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/**
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* 
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* Parses for text marked as revised (insert/delete).
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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: Revise.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 text marked as revised (insert/delete).
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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_Revise 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 = "/\@\@({*?.*}*?)\@\@/U";
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    /**
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    * 
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    * Config options.
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    * 
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    * @access public
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    * 
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    * @var array
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    *
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    */
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    var $conf = array(
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        'delmark' => '---',
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        'insmark' => '+++'
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    );
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    /**
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    * 
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    * Generates a replacement for the matched text.  Token options are:
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    * 
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    * 'type' => ['start'|'end'] The starting or ending point of the
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    * inserted text.  The text itself is left in the source.
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    * 
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    * @access public
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    *
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    * @param array &$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 teletype text.
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    *
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    */
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    function process(&$matches)
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    {
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        $output = '';
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        $src = $matches[1];
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        $delmark = $this->getConf('delmark'); // ---
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        $insmark = $this->getConf('insmark'); // +++
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        // '---' must be before '+++' (if they both appear)
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        $del = strpos($src, $delmark);
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        $ins = strpos($src, $insmark);
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        // if neither is found, return right away
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        if ($del === false && $ins === false) {
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            return $matches[0];
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        }
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        // handle text to be deleted
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        if ($del !== false) {
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            // move forward to the end of the deletion mark
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            $del += strlen($delmark);
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            if ($ins === false) {
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                // there is no insertion text following
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                $text = substr($src, $del);
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            } else {
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                // there is insertion text following,
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                // mitigate the length
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                $text = substr($src, $del, $ins - $del);
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            }
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            $output .= $this->wiki->addToken(
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                $this->rule, array('type' => 'del_start')
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            );
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            $output .= $text;
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            $output .= $this->wiki->addToken(
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                $this->rule, array('type' => 'del_end')
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            );
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        }
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        // handle text to be inserted
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        if ($ins !== false) {
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            // move forward to the end of the insert mark
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            $ins += strlen($insmark);
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            $text = substr($src, $ins);
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            $output .= $this->wiki->addToken(
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                $this->rule, array('type' => 'ins_start')
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            );
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            $output .= $text;
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            $output .= $this->wiki->addToken(
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                $this->rule, array('type' => 'ins_end')
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            );
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        }
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        return $output;
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    }
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}
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?>