| 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 int $a; |
| 33 |
private int $b; |
| 34 |
private int $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 |
|
