EmptyStringParser.php — WooCommerce 10.9.4

woocommerce / lib / packages / Symfony / Component / CssSelector / Parser / Shortcut / EmptyStringParser.php

woocommerce / lib / packages / Symfony / Component / CssSelector / Parser / Shortcut Last commit date

EmptyStringParser.php

47 lines

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 Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\Shortcut;
13
14	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Node\ElementNode;
15	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Node\SelectorNode;
16	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Parser\ParserInterface;
17
18	/**
19	* CSS selector class parser shortcut.
20	*
21	* This shortcut ensure compatibility with previous version.
22	* - The parser fails to parse an empty string.
23	* - In the previous version, an empty string matches each tags.
24	*
25	* This component is a port of the Python cssselect library,
26	* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
27	*
28	* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
29	*
30	* @internal
31	*/
32	class EmptyStringParser implements ParserInterface
33	{
34	/**
35	* {@inheritdoc}
36	*/
37	public function parse(string $source): array
38	{
39	// Matches an empty string
40	if ('' == $source) {
41	return [new SelectorNode(new ElementNode(null, '*'))];
42	}
43
44	return [];
45	}
46	}
47