Subversion-Projekte lars-tiefland.laravel_shop

<?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

{

    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 [];

    }

}