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author | Mario <mario@mariovavti.com> | 2020-11-27 08:04:00 +0000 |
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committer | Mario <mario@mariovavti.com> | 2020-11-27 08:04:00 +0000 |
commit | f4bb7bcbff3770387c2fecfa91ce4a60b916a474 (patch) | |
tree | ea007e664d435f1f3d63c87bfe1600484d2bd46c /vendor/ramsey/uuid/src/Guid/Fields.php | |
parent | 07e5b8295ea9d342f66d8119d88bd58124b548e6 (diff) | |
download | volse-hubzilla-f4bb7bcbff3770387c2fecfa91ce4a60b916a474.tar.gz volse-hubzilla-f4bb7bcbff3770387c2fecfa91ce4a60b916a474.tar.bz2 volse-hubzilla-f4bb7bcbff3770387c2fecfa91ce4a60b916a474.zip |
update composer libs
Diffstat (limited to 'vendor/ramsey/uuid/src/Guid/Fields.php')
-rw-r--r-- | vendor/ramsey/uuid/src/Guid/Fields.php | 190 |
1 files changed, 190 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 000000000..49db4ed2f --- /dev/null +++ b/vendor/ramsey/uuid/src/Guid/Fields.php @@ -0,0 +1,190 @@ +<?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. + $hex = unpack( + 'H*', + pack( + 'v*', + hexdec(bin2hex(substr($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. + $hex = unpack( + 'H*', + pack( + 'v', + hexdec(bin2hex(substr($this->bytes, 4, 2))) + ) + ); + + return new Hexadecimal((string) ($hex[1] ?? '')); + } + + public function getTimeHiAndVersion(): Hexadecimal + { + // Swap the bytes from little endian to network byte order. + $hex = unpack( + 'H*', + pack( + 'v', + hexdec(bin2hex(substr($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; + } + + $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; + } +} |