4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\CssSelector\Parser\Shortcut;
14 use Symfony\Component\CssSelector\Node\ElementNode;
15 use Symfony\Component\CssSelector\Node\SelectorNode;
16 use Symfony\Component\CssSelector\Parser\ParserInterface;
19 * CSS selector element parser shortcut.
21 * This component is a port of the Python cssselect library,
22 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
24 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
28 class ElementParser implements ParserInterface
33 public function parse($source)
35 // Matches an optional namespace, required element or `*`
36 // $source = 'testns|testel';
37 // $matches = array (size=3)
38 // 0 => string 'testns|testel' (length=13)
39 // 1 => string 'testns' (length=6)
40 // 2 => string 'testel' (length=6)
41 if (preg_match('/^(?:([a-z]++)\|)?([\w-]++|\*)$/i', trim($source), $matches)) {
42 return array(new SelectorNode(new ElementNode($matches[1] ?: null, $matches[2])));