ClassParser example

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. */
    public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
    {

use Symfony\Component\CssSelector\Node\SelectorNode;
use Symfony\Component\CssSelector\Parser\Shortcut\ClassParser;

/** * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> */
class ClassParserTest extends TestCase
{
    /** @dataProvider getParseTestData */
    public function testParse($source, $representation)
    {
        $parser = new ClassParser();
        $selectors = $parser->parse($source);
        $this->assertCount(1, $selectors);

        /** @var SelectorNode $selector */
        $selector = $selectors[0];
        $this->assertEquals($representation, (string) $selector->getTree());
    }

    public static function getParseTestData()
    {
        return [
            [