primo commit

libraries/vendor/willdurand/negotiation/src/Negotiation/AcceptMatch.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Negotiation;
+
+final class AcceptMatch
+{
+    /**
+     * @var float
+     */
+    public $quality;
+
+    /**
+     * @var int
+     */
+    public $score;
+
+    /**
+     * @var int
+     */
+    public $index;
+
+    public function __construct($quality, $score, $index)
+    {
+        $this->quality = $quality;
+        $this->score   = $score;
+        $this->index   = $index;
+    }
+
+    /**
+     * @param AcceptMatch $a
+     * @param AcceptMatch $b
+     *
+     * @return int
+     */
+    public static function compare(AcceptMatch $a, AcceptMatch $b)
+    {
+        if ($a->quality !== $b->quality) {
+            return $a->quality > $b->quality ? -1 : 1;
+        }
+
+        if ($a->index !== $b->index) {
+            return $a->index > $b->index ? 1 : -1;
+        }
+
+        return 0;
+    }
+
+    /**
+     * @param array   $carry reduced array
+     * @param AcceptMatch $match match to be reduced
+     *
+     * @return AcceptMatch[]
+     */
+    public static function reduce(array $carry, AcceptMatch $match)
+    {
+        if (!isset($carry[$match->index]) || $carry[$match->index]->score < $match->score) {
+            $carry[$match->index] = $match;
+        }
+
+        return $carry;
+    }
+}