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\ClassNode;
15 use Symfony\Component\CssSelector\Node\ElementNode;
16 use Symfony\Component\CssSelector\Node\SelectorNode;
17 use Symfony\Component\CssSelector\Parser\ParserInterface;
18  
19 /**
20 * CSS selector class parser shortcut.
21 *
22 * This component is a port of the Python cssselect library,
23 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
24 *
25 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
26 *
27 * @internal
28 */
29 class ClassParser implements ParserInterface
30 {
31 /**
32 * {@inheritdoc}
33 */
34 public function parse($source)
35 {
36 // Matches an optional namespace, optional element, and required class
37 // $source = 'test|input.ab6bd_field';
38 // $matches = array (size=4)
39 // 0 => string 'test|input.ab6bd_field' (length=22)
40 // 1 => string 'test' (length=4)
41 // 2 => string 'input' (length=5)
42 // 3 => string 'ab6bd_field' (length=11)
43 if (preg_match('/^(?:([a-z]++)\|)?+([\w-]++|\*)?+\.([\w-]++)$/i', trim($source), $matches)) {
44 return array(
45 new SelectorNode(new ClassNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
46 );
47 }
48  
49 return array();
50 }
51 }