1 files changed, 194 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Guid/Fields.php b/vendor/ramsey/uuid/src/Guid/Fields.php
new file mode 100644
index 0000000..d8a1a2b
--- /dev/null
+++ b/vendor/ramsey/uuid/src/Guid/Fields.php
@@ -0,0 +1,194 @@
+<?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\Guid;
+
+use Ramsey\Uuid\Exception\InvalidArgumentException;
+use Ramsey\Uuid\Fields\SerializableFieldsTrait;
+use Ramsey\Uuid\Rfc4122\FieldsInterface;
+use Ramsey\Uuid\Rfc4122\NilTrait;
+use Ramsey\Uuid\Rfc4122\VariantTrait;
+use Ramsey\Uuid\Rfc4122\VersionTrait;
+use Ramsey\Uuid\Type\Hexadecimal;
+use Ramsey\Uuid\Uuid;
+
+use function bin2hex;
+use function dechex;
+use function hexdec;
+use function pack;
+use function sprintf;
+use function str_pad;
+use function strlen;
+use function substr;
+use function unpack;
+
+use const STR_PAD_LEFT;
+
+/**
+ * GUIDs are comprised of a set of named fields, according to RFC 4122
+ *
+ * @see Guid
+ *
+ * @psalm-immutable
+ */
+final class Fields implements FieldsInterface
+{
+    use NilTrait;
+    use SerializableFieldsTrait;
+    use VariantTrait;
+    use VersionTrait;
+
+    /**
+     * @var string
+     */
+    private $bytes;
+
+    /**
+     * @param string $bytes A 16-byte binary string representation of a UUID
+     *
+     * @throws InvalidArgumentException if the byte string is not exactly 16 bytes
+     * @throws InvalidArgumentException if the byte string does not represent a GUID
+     * @throws InvalidArgumentException if the byte string does not contain a valid version
+     */
+    public function __construct(string $bytes)
+    {
+        if (strlen($bytes) !== 16) {
+            throw new InvalidArgumentException(
+                'The byte string must be 16 bytes long; '
+                . 'received ' . strlen($bytes) . ' bytes'
+            );
+        }
+
+        $this->bytes = $bytes;
+
+        if (!$this->isCorrectVariant()) {
+            throw new InvalidArgumentException(
+                'The byte string received does not conform to the RFC '
+                . '4122 or Microsoft Corporation variants'
+            );
+        }
+
+        if (!$this->isCorrectVersion()) {
+            throw new InvalidArgumentException(
+                'The byte string received does not contain a valid version'
+            );
+        }
+    }
+
+    public function getBytes(): string
+    {
+        return $this->bytes;
+    }
+
+    public function getTimeLow(): Hexadecimal
+    {
+        // Swap the bytes from little endian to network byte order.
+        /** @var array $hex */
+        $hex = unpack(
+            'H*',
+            pack(
+                'v*',
+                hexdec(bin2hex(substr($this->bytes, 2, 2))),
+                hexdec(bin2hex(substr($this->bytes, 0, 2)))
+            )
+        );
+
+        return new Hexadecimal((string) ($hex[1] ?? ''));
+    }
+
+    public function getTimeMid(): Hexadecimal
+    {
+        // Swap the bytes from little endian to network byte order.
+        /** @var array $hex */
+        $hex = unpack(
+            'H*',
+            pack(
+                'v',
+                hexdec(bin2hex(substr($this->bytes, 4, 2)))
+            )
+        );
+
+        return new Hexadecimal((string) ($hex[1] ?? ''));
+    }
+
+    public function getTimeHiAndVersion(): Hexadecimal
+    {
+        // Swap the bytes from little endian to network byte order.
+        /** @var array $hex */
+        $hex = unpack(
+            'H*',
+            pack(
+                'v',
+                hexdec(bin2hex(substr($this->bytes, 6, 2)))
+            )
+        );
+
+        return new Hexadecimal((string) ($hex[1] ?? ''));
+    }
+
+    public function getTimestamp(): Hexadecimal
+    {
+        return new Hexadecimal(sprintf(
+            '%03x%04s%08s',
+            hexdec($this->getTimeHiAndVersion()->toString()) & 0x0fff,
+            $this->getTimeMid()->toString(),
+            $this->getTimeLow()->toString()
+        ));
+    }
+
+    public function getClockSeq(): Hexadecimal
+    {
+        $clockSeq = hexdec(bin2hex(substr($this->bytes, 8, 2))) & 0x3fff;
+
+        return new Hexadecimal(str_pad(dechex($clockSeq), 4, '0', STR_PAD_LEFT));
+    }
+
+    public function getClockSeqHiAndReserved(): Hexadecimal
+    {
+        return new Hexadecimal(bin2hex(substr($this->bytes, 8, 1)));
+    }
+
+    public function getClockSeqLow(): Hexadecimal
+    {
+        return new Hexadecimal(bin2hex(substr($this->bytes, 9, 1)));
+    }
+
+    public function getNode(): Hexadecimal
+    {
+        return new Hexadecimal(bin2hex(substr($this->bytes, 10)));
+    }
+
+    public function getVersion(): ?int
+    {
+        if ($this->isNil()) {
+            return null;
+        }
+
+        /** @var array $parts */
+        $parts = unpack('n*', $this->bytes);
+
+        return ((int) $parts[4] >> 4) & 0x00f;
+    }
+
+    private function isCorrectVariant(): bool
+    {
+        if ($this->isNil()) {
+            return true;
+        }
+
+        $variant = $this->getVariant();
+
+        return $variant === Uuid::RFC_4122 || $variant === Uuid::RESERVED_MICROSOFT;
+    }
+}