SelectorNode.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\Node;


/**
 * Represents a "<selector>(::|:)<pseudoElement>" node.
 *
 * 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 SelectorNode extends AbstractNode {
    private ?string $pseudoElement;
    public function __construct(NodeInterface $tree, ?string $pseudoElement = null) {
        $this->pseudoElement = $pseudoElement ? strtolower($pseudoElement) : null;
    }
    public function getTree() : NodeInterface {
        return $this->tree;
    }
    public function getPseudoElement() : ?string {
        return $this->pseudoElement;
    }
    public function getSpecificity() : Specificity {
        return $this->tree
            ->getSpecificity()
            ->plus(new Specificity(0, 0, $this->pseudoElement ? 1 : 0));
    }
    public function __toString() : string {
        return \sprintf('%s[%s%s]', $this->getNodeName(), $this->tree, $this->pseudoElement ? '::' . $this->pseudoElement : '');
    }

}