/usr/share/php/Symfony/Component/CssSelector/Parser/Shortcut/ClassParser.php is in php-symfony-css-selector 2.3.21+dfsg-4+deb8u3.
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/*
* 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 cssselector library,
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
*
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
*/
class ClassParser implements ParserInterface
{
/**
* {@inheritdoc}
*/
public function parse($source)
{
// Matches an optional namespace, optional element, and required class
// $source = 'test|input.ab6bd_field';
// $matches = array (size=5)
// 0 => string 'test:input.ab6bd_field' (length=22)
// 1 => string 'test:' (length=5)
// 2 => string 'test' (length=4)
// 3 => string 'input' (length=5)
// 4 => string 'ab6bd_field' (length=11)
if (preg_match('/^(([a-z]+)\|)?([\w-]+|\*)?\.([\w-]+)$/i', trim($source), $matches)) {
return array(
new SelectorNode(new ClassNode(new ElementNode($matches[2] ?: null, $matches[3] ?: null), $matches[4])),
);
}
return array();
}
}
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