47 lines
1.2 KiB
PHP
47 lines
1.2 KiB
PHP
<?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 class parser shortcut.
|
|
*
|
|
* This shortcut ensure compatibility with previous version.
|
|
* - The parser fails to parse an empty string.
|
|
* - In the previous version, an empty string matches each tags.
|
|
*
|
|
* 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 EmptyStringParser implements ParserInterface
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function parse($source)
|
|
{
|
|
// Matches an empty string
|
|
if ('' == $source) {
|
|
return array(new SelectorNode(new ElementNode(null, '*')));
|
|
}
|
|
|
|
return array();
|
|
}
|
|
}
|