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\ElementNode;

use Symfony\Component\CssSelector\Node\SelectorNode;

use Symfony\Component\CssSelector\Parser\ParserInterface;

/**

 * CSS selector element 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 ElementParser implements ParserInterface

{

    public function parse(string $source): array

    {

        // Matches an optional namespace, required element or `*`

        // $source = 'testns|testel';

        // $matches = array (size=3)

        //     0 => string 'testns|testel' (length=13)

        //     1 => string 'testns' (length=6)

        //     2 => string 'testel' (length=6)

        if (preg_match('/^(?:([a-z]++)\|)?([\w-]++|\*)$/i', trim($source), $matches)) {

            return [new SelectorNode(new ElementNode($matches[1] ?: null, $matches[2]))];

        }

        return [];

    }

}