registerParserShortcut example

        $this->translator = new Translator();

        if ($html) {
            $this->translator->registerExtension(new HtmlExtension($this->translator));
            $this->cache = &self::$htmlCache;
        } else {
            $this->cache = &self::$xmlCache;
        }

        $this->translator
            ->registerParserShortcut(new EmptyStringParser())
            ->registerParserShortcut(new ElementParser())
            ->registerParserShortcut(new ClassParser())
            ->registerParserShortcut(new HashParser())
        ;
    }

    /** * Translates a CSS expression to its XPath equivalent. * * Optionally, a prefix can be added to the resulting XPath * expression with the $prefix parameter. */