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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\CssSelector\Parser\Shortcut;
- use Symfony\Component\CssSelector\Node\ClassNode;
- use Symfony\Component\CssSelector\Node\ElementNode;
- use Symfony\Component\CssSelector\Node\SelectorNode;
- use Symfony\Component\CssSelector\Parser\ParserInterface;
- /**
- * CSS selector class parser shortcut.
- *
- * This component is a port of the Python cssselect library,
- * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
- *
- * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
- *
- * @internal
- */
- class ClassParser implements ParserInterface
- {
- /**
- * {@inheritdoc}
- */
- public function parse(string $source): array
- {
- // Matches an optional namespace, optional element, and required class
- // $source = 'test|input.ab6bd_field';
- // $matches = array (size=4)
- // 0 => string 'test|input.ab6bd_field' (length=22)
- // 1 => string 'test' (length=4)
- // 2 => string 'input' (length=5)
- // 3 => string 'ab6bd_field' (length=11)
- if (preg_match('/^(?:([a-z]++)\|)?+([\w-]++|\*)?+\.([\w-]++)$/i', trim($source), $matches)) {
- return [
- new SelectorNode(new ClassNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
- ];
- }
- return [];
- }
- }
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