Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector

CssSelectorConverter{} │ WC 1.0

CssSelectorConverter is the main entry point of the component and can convert CSS selectors to XPath expressions.

No Hooks.

Usage

$CssSelectorConverter = new CssSelectorConverter();
// use class methods

Methods

1. public __construct(bool $html = true)
2. public toXPath(string $cssExpr, string $prefix = 'descendant-or-self::')
3. ERROR: no method name found on line `} else {`
4. ERROR: no method name found on line ``

CssSelectorConverter{} CssSelectorConverter{} code ^{WC 10.7.0}

class CssSelectorConverter
{
    private $translator;
    private $cache;

    private static $xmlCache = [];
    private static $htmlCache = [];

    /**
     * @param bool $html Whether HTML support should be enabled. Disable it for XML documents
     */
    public function __construct(bool $html = true)
    {
        $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.
     *
     * @return string
     */
    public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::')
    {
        return $this->cache[$prefix][$cssExpr] ?? $this->cache[$prefix][$cssExpr] = $this->translator->cssToXPath($cssExpr, $prefix);
    }
}