annotate vendor/symfony/css-selector/Parser/Shortcut/ElementParser.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of the Symfony package.
Chris@0 5 *
Chris@0 6 * (c) Fabien Potencier <fabien@symfony.com>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view the LICENSE
Chris@0 9 * file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Symfony\Component\CssSelector\Parser\Shortcut;
Chris@0 13
Chris@0 14 use Symfony\Component\CssSelector\Node\ElementNode;
Chris@0 15 use Symfony\Component\CssSelector\Node\SelectorNode;
Chris@0 16 use Symfony\Component\CssSelector\Parser\ParserInterface;
Chris@0 17
Chris@0 18 /**
Chris@0 19 * CSS selector element parser shortcut.
Chris@0 20 *
Chris@0 21 * This component is a port of the Python cssselect library,
Chris@0 22 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
Chris@0 23 *
Chris@0 24 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
Chris@0 25 *
Chris@0 26 * @internal
Chris@0 27 */
Chris@0 28 class ElementParser implements ParserInterface
Chris@0 29 {
Chris@0 30 /**
Chris@0 31 * {@inheritdoc}
Chris@0 32 */
Chris@0 33 public function parse($source)
Chris@0 34 {
Chris@0 35 // Matches an optional namespace, required element or `*`
Chris@0 36 // $source = 'testns|testel';
Chris@0 37 // $matches = array (size=3)
Chris@0 38 // 0 => string 'testns|testel' (length=13)
Chris@0 39 // 1 => string 'testns' (length=6)
Chris@0 40 // 2 => string 'testel' (length=6)
Chris@0 41 if (preg_match('/^(?:([a-z]++)\|)?([\w-]++|\*)$/i', trim($source), $matches)) {
Chris@17 42 return [new SelectorNode(new ElementNode($matches[1] ?: null, $matches[2]))];
Chris@0 43 }
Chris@0 44
Chris@17 45 return [];
Chris@0 46 }
Chris@0 47 }