friendship ended with social-app. php is my new best friend
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 node specificity.
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 * @see http://www.w3.org/TR/selectors/#specificity
21 *
22 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
23 *
24 * @internal
25 */
26class Specificity
27{
28 public const A_FACTOR = 100;
29 public const B_FACTOR = 10;
30 public const C_FACTOR = 1;
31
32 public function __construct(
33 private int $a,
34 private int $b,
35 private int $c,
36 ) {
37 }
38
39 public function plus(self $specificity): self
40 {
41 return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c);
42 }
43
44 public function getValue(): int
45 {
46 return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
47 }
48
49 /**
50 * Returns -1 if the object specificity is lower than the argument,
51 * 0 if they are equal, and 1 if the argument is lower.
52 */
53 public function compareTo(self $specificity): int
54 {
55 if ($this->a !== $specificity->a) {
56 return $this->a > $specificity->a ? 1 : -1;
57 }
58
59 if ($this->b !== $specificity->b) {
60 return $this->b > $specificity->b ? 1 : -1;
61 }
62
63 if ($this->c !== $specificity->c) {
64 return $this->c > $specificity->c ? 1 : -1;
65 }
66
67 return 0;
68 }
69}