annotate vendor/symfony/css-selector/Node/Specificity.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents c2387f117808
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of the Symfony package.
Chris@0 5 *
Chris@0 6 * (c) Fabien Potencier <fabien@symfony.com>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view the LICENSE
Chris@0 9 * file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Symfony\Component\CssSelector\Node;
Chris@0 13
Chris@0 14 /**
Chris@0 15 * Represents a node specificity.
Chris@0 16 *
Chris@0 17 * This component is a port of the Python cssselect library,
Chris@0 18 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
Chris@0 19 *
Chris@0 20 * @see http://www.w3.org/TR/selectors/#specificity
Chris@0 21 *
Chris@0 22 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
Chris@0 23 *
Chris@0 24 * @internal
Chris@0 25 */
Chris@0 26 class Specificity
Chris@0 27 {
Chris@0 28 const A_FACTOR = 100;
Chris@0 29 const B_FACTOR = 10;
Chris@0 30 const C_FACTOR = 1;
Chris@0 31
Chris@0 32 private $a;
Chris@0 33 private $b;
Chris@0 34 private $c;
Chris@0 35
Chris@0 36 /**
Chris@0 37 * @param int $a
Chris@0 38 * @param int $b
Chris@0 39 * @param int $c
Chris@0 40 */
Chris@0 41 public function __construct($a, $b, $c)
Chris@0 42 {
Chris@0 43 $this->a = $a;
Chris@0 44 $this->b = $b;
Chris@0 45 $this->c = $c;
Chris@0 46 }
Chris@0 47
Chris@0 48 /**
Chris@0 49 * @return self
Chris@0 50 */
Chris@16 51 public function plus(self $specificity)
Chris@0 52 {
Chris@0 53 return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c);
Chris@0 54 }
Chris@0 55
Chris@0 56 /**
Chris@0 57 * Returns global specificity value.
Chris@0 58 *
Chris@0 59 * @return int
Chris@0 60 */
Chris@0 61 public function getValue()
Chris@0 62 {
Chris@0 63 return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
Chris@0 64 }
Chris@0 65
Chris@0 66 /**
Chris@0 67 * Returns -1 if the object specificity is lower than the argument,
Chris@0 68 * 0 if they are equal, and 1 if the argument is lower.
Chris@0 69 *
Chris@0 70 * @return int
Chris@0 71 */
Chris@16 72 public function compareTo(self $specificity)
Chris@0 73 {
Chris@0 74 if ($this->a !== $specificity->a) {
Chris@0 75 return $this->a > $specificity->a ? 1 : -1;
Chris@0 76 }
Chris@0 77
Chris@0 78 if ($this->b !== $specificity->b) {
Chris@0 79 return $this->b > $specificity->b ? 1 : -1;
Chris@0 80 }
Chris@0 81
Chris@0 82 if ($this->c !== $specificity->c) {
Chris@0 83 return $this->c > $specificity->c ? 1 : -1;
Chris@0 84 }
Chris@0 85
Chris@0 86 return 0;
Chris@0 87 }
Chris@0 88 }