"as3", "actionscript3" => "as3", "bash" => "bash", "shell" => "bash", "cpp" => "cpp", "c" => "cpp", "csharp" => "csharp", "c#" => "csharp", "c-sharp" => "csharp", "css" => "css", "pascal" => "pascal", "delphi" => "pascal", "diff" => "diff", "patch" => "diff", "groovy" => "groovy", "java" => "java", "javafx" => "javafx", "jfx" => "javafx", "js" => "javascript", "javascript" => "javascript", "jscript" => "javascript", "perl" => "perl", "pl" => "perl", "Perl" => "perl", "php" => "php", "text" => "text", "plain" => "text", "powershell" => "powershell", "ps" => "powershell", "python" => "python", "py" => "python", "ruby" => "ruby", "rails" => "ruby", "ror" => "ruby", "scala" => "scala", "sql" => "sql", "vb" => "vb", "vbnet" => "vb", "VisualBasic" => "vb", "xml" => "xml", "xhtml" => "xml", "xslt" => "xml", "html" => "xml" ); private static $langFiles = array( "as3" => "shBrushAS3.js", "bash" => "shBrushBash.js", "cpp" => "shBrushCpp.js", "csharp" => "shBrushCSharp.js", "css" => "shBrushCss.js", "pascal" => "shBrushDelphi.js", "diff" => "shBrushDiff.js", "groovy" => "shBrushGroovy.js", "java" => "shBrushJava.js", "javafx" => "shBrushJavaFX.js", "javascript" => "shBrushJScript.js", "perl" => "shBrushPerl.js", "php" => "shBrushPhp.js", "text" => "shBrushPlain.js", "powershell" => "shBrushPowerShell.js", "python" => "shBrushPython.js", "ruby" => "shBrushRuby.js", "scala" => "shBrushScala.js", "sql" => "shBrushSql.js", "vb" => "shBrushVb.js", "xml" => "shBrushXml.js" ); private $_includeCSSOnce = False; private $_includedScripts = array(); private $_runHighlighterOnce=False; function plgContentCodeCitation( &$subject, $params ){ parent::__construct( $subject, $params ); } //onPrepareContent event handler. Replace all entries of {codecitation} tag and load necessary scripts function onPrepareContent( &$row, &$params, $page=0 ) { $tag=self::_tag; $alternativetag=$this->params->def( 'alternativetag', ''); if ($alternativetag!='') { $tag='('.$tag.'|'.$alternativetag.')'; } else { $tag='('.$tag.')'; } $regex = "#{".$tag."[\s| ]*(.*?)}([\s\S]*?){/\\1}#s"; // register the regular expresstion to invoke our replacer in case Joomla finds the matches $row->text = preg_replace_callback( $regex, array($this,'replacer'), $row->text ); return true; } //Do the replacement work to replace {codecitation}{/codecitation} into 

  //and include scripts as necessary
  private function replacer( &$matches ) {
    jimport('domit.xml_saxy_shared');

    //adjust document header to include SyntaxHighlighter styles and core
	$this->includeCSSOnce();
    $html_entities_match = array( "'\n'", "'\<\s*span\s*[\s\S]*?/*\s*\>'i", "'\'i","'\<\s*/\s*pre\s*\>'i", "'\'i","'\<\s*/\s*div\s*\>'i","'\<\s*/\s*span\s*\>'i", "'\<\s*/\s*p\s*\>'i", "'\'i","'\'i", "'<'i", "'>'i", "'''", "'"'i", "' 'i" );
    $html_entities_replace = array("",      "",                              "",                           "",                     "",                           "",                     "",                       "",                  "\n",                      "\n",               '<',  '>', "'",        '"',        ' ' );

	$matches[2]=preg_replace($html_entities_match, $html_entities_replace, $matches[2] );
	$matches[3]=preg_replace($html_entities_match, $html_entities_replace, $matches[3] );
	$text = $matches[3];
	
    $args = SAXY_Parser_Base::parseAttributes( $matches[2] );
    
    $shclass = JArrayHelper::getValue( $args, 'class', '' );
    $width = JArrayHelper::getValue( $args, 'width', 'inherit' );
    
    //determine language to show
    $langAlias="";
    $regexLangAlias="#brush\s*:\s*(\S[^;]*[^;\s])#s";

    if (preg_match($regexLangAlias,$shclass,$langAliasMatches)>0) 
    {
    	$langAlias=$langAliasMatches[1];
    }
    else
    {
    	$langAlias=$this->params->def( 'defaultlang', 'text');
    	$shclass='brush:'.$langAlias.';'.$shclass;
    }
    //determine if we need to include xml markup parser for html scripts
    $htmlScriptMode=False;
    $regexHtmlScriptMode="#html-script\s*:\s*(\S[^;]*[^;\s])#s";
     if (preg_match($regexHtmlScriptMode,$shclass,$htmlScriptModeMatches)>0) 
    {
    	$htmlScriptMode=strtoupper($htmlScriptModeMatches[1]);
    }
    else
    {
    	$htmlScriptMode="FALSE";
    }    
    
    //include Java script that is necessary to show the code (if we have not already did it for this language)
    $codes=$this->includeScript($langAlias,$htmlScriptMode);
    
    $prolog='
';
    $epilog='
';

    $text = $codes.$prolog.$text.$epilog;

    return $text;
  }
  
  private function includeScript($langAlias, $htmlScriptMode) {
  	//get then lanuage name for the alias
  	$langName="text"; //IN CASE OF WRONG ALIAS WE WILL TREAT IT AS PLAIN TEXT

  	if (isset(self::$langAliases[$langAlias]))
  	{
  		$langName=self::$langAliases[$langAlias];
  	}
  	//get the filename for the language
  	$fileName="";
  	if (isset(self::$langFiles[$langName]))
  	{
  		$fileName=self::$langFiles[$langName];
  	}
  	else
  	{
  		$fileName=self::$langFiles["text"];
  	}
  	//check if we have already embeeded file into the page
  	if (!isset($this->_includedScripts[$fileName]))
  	{
  		$this->_includedScripts[$fileName]="1";
  		$this->updatePageIncludes($fileName);
  	}
  	if($htmlScriptMode=="TRUE")
  	{
  		//embeed xml lang file if necessary for html-script mode
  		if (!isset($this->_includedScripts[self::$langFiles[self::$langAliases["xml"]]]))
  		{
  			$this->_includedScripts[self::$langFiles[self::$langAliases["xml"]]]="1";
  			$this->updatePageIncludes(self::$langFiles[self::$langAliases["xml"]]);
  		}
  	}

  	//since we are here, we need to embeed styles and scripts into document
  	if ($this->_runHighlighterOnce) return "";
  	$this->_runHighlighterOnce=True;
  	$pluginRoot=self::getPluginRoot();
  	//TODO: Handle plugin parameters and set default SyntaxHighlighter values according to the plugin params vaules
  	$codes='';
  	return $codes;
  }

  private function updatePageIncludes($fileName)
  {
  	$pluginRoot=self::getPluginRoot();
  	$tag='';
 	$document= & JFactory::getDocument();
  	if ($document)
  	{
  		$document->addCustomTag($tag);
  	}
  	return;  	
  }
  
  //include necessary styles into page only once
  private function includeCSSOnce() {
  	//since we are here, we need to embeed styles and scripts into document
  	if ($this->_includeCSSOnce) return;
  	// we want only one link to the CSS
  	$this->_includeCSSOnce = True;
  	$pluginRoot=self::getPluginRoot();
  	$tag= '

';
  	$document= & JFactory::getDocument();
  	if ($document)
  	{
  		$document->addCustomTag($tag);
  	}
  	return;
  }

  public static function getPluginRoot()
  {
  	return JURI::root().'plugins/content/codecitation/';
  }
  
}