AbstractNode.php
2 years ago
AttributeNode.php
2 years ago
ClassNode.php
2 years ago
CombinedSelectorNode.php
2 years ago
ElementNode.php
2 years ago
FunctionNode.php
2 years ago
HashNode.php
2 years ago
NegationNode.php
2 years ago
NodeInterface.php
2 years ago
PseudoNode.php
2 years ago
SelectorNode.php
2 years ago
Specificity.php
2 years ago
Specificity.php
74 lines
| 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 | public const A_FACTOR = 100; |
| 29 | public const B_FACTOR = 10; |
| 30 | public const C_FACTOR = 1; |
| 31 | |
| 32 | private $a; |
| 33 | private $b; |
| 34 | private $c; |
| 35 | |
| 36 | public function __construct(int $a, int $b, int $c) |
| 37 | { |
| 38 | $this->a = $a; |
| 39 | $this->b = $b; |
| 40 | $this->c = $c; |
| 41 | } |
| 42 | |
| 43 | public function plus(self $specificity): self |
| 44 | { |
| 45 | return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c); |
| 46 | } |
| 47 | |
| 48 | public function getValue(): int |
| 49 | { |
| 50 | return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Returns -1 if the object specificity is lower than the argument, |
| 55 | * 0 if they are equal, and 1 if the argument is lower. |
| 56 | */ |
| 57 | public function compareTo(self $specificity): int |
| 58 | { |
| 59 | if ($this->a !== $specificity->a) { |
| 60 | return $this->a > $specificity->a ? 1 : -1; |
| 61 | } |
| 62 | |
| 63 | if ($this->b !== $specificity->b) { |
| 64 | return $this->b > $specificity->b ? 1 : -1; |
| 65 | } |
| 66 | |
| 67 | if ($this->c !== $specificity->c) { |
| 68 | return $this->c > $specificity->c ? 1 : -1; |
| 69 | } |
| 70 | |
| 71 | return 0; |
| 72 | } |
| 73 | } |
| 74 |