comparison vendor/symfony/css-selector/Node/Specificity.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[e-mail]>
+ *
+ * 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 <[e-mail]>
+ *
+ * @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;
+    }
+}