public function parse()
    {
        $path = $this->_contents;

        if (!isset($this->_parsed_data[$path])) {
            $context = $this->getCommandContext();
            $context->data = $path;
            $this->getCommandChain()->run(LibBaseTemplateFilter::MODE_READ, $context);
            $this->_parsed_data[$path] = $context->data;
        }

        return $this->_parsed_data[$path];
    }