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