46 lines
1.2 KiB
PHP
46 lines
1.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\CssSelector\Parser\Shortcut;
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use Symfony\Component\CssSelector\Node\ElementNode;
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use Symfony\Component\CssSelector\Node\SelectorNode;
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use Symfony\Component\CssSelector\Parser\ParserInterface;
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/**
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* CSS selector class parser shortcut.
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*
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* This shortcut ensure compatibility with previous version.
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* - The parser fails to parse an empty string.
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* - In the previous version, an empty string matches each tags.
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*
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* This component is a port of the Python cssselect library,
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* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
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*
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* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
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*
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* @internal
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*/
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class EmptyStringParser implements ParserInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function parse(string $source): array
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{
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// Matches an empty string
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if ('' == $source) {
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return [new SelectorNode(new ElementNode(null, '*'))];
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}
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return [];
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}
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}
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