comparison vendor/symfony/css-selector/Node/Specificity.php @ 0:c75dbcec494b

Initial commit from drush-created site
author Chris Cannam
date Thu, 05 Jul 2018 14:24:15 +0000
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-1:000000000000 0:c75dbcec494b
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
12 namespace 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 */
26 class Specificity
27 {
28 const A_FACTOR = 100;
29 const B_FACTOR = 10;
30 const C_FACTOR = 1;
31
32 private $a;
33 private $b;
34 private $c;
35
36 /**
37 * @param int $a
38 * @param int $b
39 * @param int $c
40 */
41 public function __construct($a, $b, $c)
42 {
43 $this->a = $a;
44 $this->b = $b;
45 $this->c = $c;
46 }
47
48 /**
49 * @return self
50 */
51 public function plus(self $specificity)
52 {
53 return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c);
54 }
55
56 /**
57 * Returns global specificity value.
58 *
59 * @return int
60 */
61 public function getValue()
62 {
63 return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
64 }
65
66 /**
67 * Returns -1 if the object specificity is lower than the argument,
68 * 0 if they are equal, and 1 if the argument is lower.
69 *
70 * @return int
71 */
72 public function compareTo(self $specificity)
73 {
74 if ($this->a !== $specificity->a) {
75 return $this->a > $specificity->a ? 1 : -1;
76 }
77
78 if ($this->b !== $specificity->b) {
79 return $this->b > $specificity->b ? 1 : -1;
80 }
81
82 if ($this->c !== $specificity->c) {
83 return $this->c > $specificity->c ? 1 : -1;
84 }
85
86 return 0;
87 }
88 }