scratch – Blame information for rev 87

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87 office 1 <?php
2  
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11  
12 namespace Symfony\Component\CssSelector\Parser\Shortcut;
13  
14 use Symfony\Component\CssSelector\Node\ElementNode;
15 use Symfony\Component\CssSelector\Node\SelectorNode;
16 use Symfony\Component\CssSelector\Parser\ParserInterface;
17  
18 /**
19 * CSS selector element parser shortcut.
20 *
21 * This component is a port of the Python cssselect library,
22 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
23 *
24 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
25 *
26 * @internal
27 */
28 class ElementParser implements ParserInterface
29 {
30 /**
31 * {@inheritdoc}
32 */
33 public function parse($source)
34 {
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])));
43 }
44  
45 return array();
46 }
47 }