prefilter.php

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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4                                                        |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license,       |
// | that is bundled with this package in the file LICENSE, and is        |
// | available through the world-wide-web at                              |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to          |
// | [e-mail] so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Authors: Paul M. Jones <[e-mail]>                          |
// +----------------------------------------------------------------------+
//
// $Id: prefilter.php,v 1.1 2004/02/26 11:27:54 garvinhicking Exp $


/**
* 
* This class implements a Text_Wiki_Rule to "pre-filter" source text so
* that line endings are consistently \n, lines ending in a backslash \
* are concatenated with the next line, and tabs are converted to spaces.
*
* @author Paul M. Jones <[e-mail]>
*
* @package Text_Wiki
*
*/

class Text_Wiki_Rule_prefilter extends Text_Wiki_Rule {
    
    
    /**
    * 
    * Simple parsing method to apply the rule directly to the source
    * text.
    *
    * @access public
    * 
    */
    
    function parse()
    {
        // convert DOS line endings
        $this->_wiki->_source = str_replace("\r\n", "\n",
            $this->_wiki->_source);
        
        // convert Macintosh line endings
        $this->_wiki->_source = str_replace("\r", "\n",
            $this->_wiki->_source);
        
        // concat lines ending in a backslash
        $this->_wiki->_source = str_replace("\\\n", "",
            $this->_wiki->_source);
        
        // convert tabs to spaces
        $this->_wiki->_source = str_replace("\t", "    ",
            $this->_wiki->_source);
    }

}
?>