Mercurial > hg > isophonics-drupal-site
diff vendor/symfony/css-selector/Node/Specificity.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/css-selector/Node/Specificity.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,105 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\CssSelector\Node; + +/** + * Represents a node specificity. + * + * This component is a port of the Python cssselect library, + * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. + * + * @see http://www.w3.org/TR/selectors/#specificity + * + * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> + * + * @internal + */ +class Specificity +{ + const A_FACTOR = 100; + const B_FACTOR = 10; + const C_FACTOR = 1; + + /** + * @var int + */ + private $a; + + /** + * @var int + */ + private $b; + + /** + * @var int + */ + private $c; + + /** + * Constructor. + * + * @param int $a + * @param int $b + * @param int $c + */ + public function __construct($a, $b, $c) + { + $this->a = $a; + $this->b = $b; + $this->c = $c; + } + + /** + * @param Specificity $specificity + * + * @return self + */ + public function plus(Specificity $specificity) + { + return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c); + } + + /** + * Returns global specificity value. + * + * @return int + */ + public function getValue() + { + return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR; + } + + /** + * Returns -1 if the object specificity is lower than the argument, + * 0 if they are equal, and 1 if the argument is lower. + * + * @param Specificity $specificity + * + * @return int + */ + public function compareTo(Specificity $specificity) + { + if ($this->a !== $specificity->a) { + return $this->a > $specificity->a ? 1 : -1; + } + + if ($this->b !== $specificity->b) { + return $this->b > $specificity->b ? 1 : -1; + } + + if ($this->c !== $specificity->c) { + return $this->c > $specificity->c ? 1 : -1; + } + + return 0; + } +}