registerEvent( 'onPrepareContent', 'plgContentGeshi' );
/**
* Code Highlighting Plugin
*
* Replaces ...
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 = "#(.*?)
#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( "|\
|", "#<#", "#>#", "|'|", '#"#', '# #' );
$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;
}