public function combineFile( $fileUri )
	{
		$pathName	= dirname( realpath( $fileUri ) )."/";
		$fileBase	= preg_replace( "@\.css@", "", basename( $fileUri  ));
		
		if( !file_exists( $fileUri ) )
			throw new Exception( "Style File '".$fileUri."' is not existing." );
			
		$this->statistics	= array();
		$content	= file_get_contents( $fileUri );
	
		$content	= $this->combineString( $pathName, $content );
		$fileName	= $this->prefix.$fileBase.$this->suffix.".css";
		$fileUri	= $pathName.$fileName;
		$fileUri	= str_replace( "\\", "/", $fileUri );

		file_put_contents( $fileUri, $content );
		return $fileUri;
	}