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geshi.php
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PHP Script
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2008-07-06
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3KB
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88 lines
<?php
/**
* @version $Id: geshi.php 10381 2008-06-01 03:35:53Z pasamio $
* @package Joomla
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
$mainframe->registerEvent( 'onPrepareContent', 'plgContentGeshi' );
/**
* Code Highlighting Plugin
*
* Replaces <pre>...</pre> tags with highlighted text
*/
function plgContentGeshi( &$row, &$params, $page=0 )
{
// simple performance check to determine whether bot should process further
if ( JString::strpos( $row->text, 'pre>' ) === false ) {
return true;
}
// Get Plugin info
$plugin =& JPluginHelper::getPlugin('content', 'geshi');
// define the regular expression for the bot
$regex = "#<pre xml:\s*(.*?)>(.*?)</pre>#s";
$GLOBALS['_MAMBOT_GESHI_PARAMS'] =& $params;
// perform the replacement
$row->text = preg_replace_callback( $regex, 'plgContentGeshi_replacer', $row->text );
return true;
}
/**
* Replaces the matched tags an image
* @param array An array of matches (see preg_match_all)
* @return string
*/
function plgContentGeshi_replacer( &$matches )
{
$params =& $GLOBALS['_MAMBOT_GESHI_PARAMS'];
jimport('geshi.geshi');
jimport('domit.xml_saxy_shared');
$args = SAXY_Parser_Base::parseAttributes( $matches[1] );
$text = $matches[2];
$lang = JArrayHelper::getValue( $args, 'lang', 'php' );
$lines = JArrayHelper::getValue( $args, 'lines', 'false' );
$html_entities_match = array( "|\<br \/\>|", "#<#", "#>#", "|'|", '#"#', '# #' );
$html_entities_replace = array( "\n", '<', '>', "'", '"', ' ' );
$text = preg_replace( $html_entities_match, $html_entities_replace, $text );
$text = str_replace('<', '<', $text);
$text = str_replace('>', '>', $text);
/*
// Replace 2 spaces with " " so non-tabbed code indents without making huge long lines.
$text = str_replace(" ", " ", $text);
// now Replace 2 spaces with " " to catch odd #s of spaces.
$text = str_replace(" ", " ", $text);
*/
// Replace tabs with " " so tabbed code indents sorta right without making huge long lines.
//$text = str_replace("\t", " ", $text);
$text = str_replace( "\t", ' ', $text );
$geshi = new GeSHi( $text, $lang );
if ($lines == 'true') {
$geshi->enable_line_numbers( GESHI_NORMAL_LINE_NUMBERS );
}
$text = $geshi->parse_code();
return $text;
}