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
12namespace Symfony\Component\CssSelector\Node;
13
14/**
15 * Represents a "<selector>(::|:)<pseudoElement>" node.
16 *
17 * This component is a port of the Python cssselect library,
18 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
19 *
20 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
21 *
22 * @internal
23 */
24class SelectorNode extends AbstractNode
25{
26    private $tree;
27    private $pseudoElement;
28
29    public function __construct(NodeInterface $tree, string $pseudoElement = null)
30    {
31        $this->tree = $tree;
32        $this->pseudoElement = $pseudoElement ? strtolower($pseudoElement) : null;
33    }
34
35    public function getTree(): NodeInterface
36    {
37        return $this->tree;
38    }
39
40    public function getPseudoElement(): ?string
41    {
42        return $this->pseudoElement;
43    }
44
45    /**
46     * {@inheritdoc}
47     */
48    public function getSpecificity(): Specificity
49    {
50        return $this->tree->getSpecificity()->plus(new Specificity(0, 0, $this->pseudoElement ? 1 : 0));
51    }
52
53    public function __toString(): string
54    {
55        return sprintf('%s[%s%s]', $this->getNodeName(), $this->tree, $this->pseudoElement ? '::'.$this->pseudoElement : '');
56    }
57}
58