Primo Committ

vendor/ramsey/uuid/src/Codec/GuidStringCodec.php

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Codec;
+
+use Ramsey\Uuid\Guid\Guid;
+use Ramsey\Uuid\UuidInterface;
+
+use function bin2hex;
+use function substr;
+
+/**
+ * GuidStringCodec encodes and decodes globally unique identifiers (GUID)
+ *
+ * @see Guid
+ *
+ * @psalm-immutable
+ */
+class GuidStringCodec extends StringCodec
+{
+    public function decode(string $encodedUuid): UuidInterface
+    {
+        $bytes = $this->getBytes($encodedUuid);
+
+        return $this->getBuilder()->build($this, $this->swapBytes($bytes));
+    }
+
+    public function decodeBytes(string $bytes): UuidInterface
+    {
+        // Specifically call parent::decode to preserve correct byte order
+        return parent::decode(bin2hex($bytes));
+    }
+
+    /**
+     * Swaps bytes according to the GUID rules
+     */
+    private function swapBytes(string $bytes): string
+    {
+        return $bytes[3] . $bytes[2] . $bytes[1] . $bytes[0]
+            . $bytes[5] . $bytes[4]
+            . $bytes[7] . $bytes[6]
+            . substr($bytes, 8);
+    }
+}