* @license http://opensource.org/licenses/MIT MIT */ declare (strict_types=1); namespace DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Nonstandard; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Exception\InvalidArgumentException; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Fields\SerializableFieldsTrait; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Rfc4122\FieldsInterface; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Rfc4122\VariantTrait; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Type\Hexadecimal; use function bin2hex; use function dechex; use function hexdec; use function sprintf; use function str_pad; use function strlen; use function substr; use const STR_PAD_LEFT; /** * Nonstandard UUID fields do not conform to the RFC 4122 standard * * Since some systems may create nonstandard UUIDs, this implements the * Rfc4122\FieldsInterface, so that functionality of a nonstandard UUID is not * degraded, in the event these UUIDs are expected to contain RFC 4122 fields. * * Internally, this class represents the fields together as a 16-byte binary * string. * * @psalm-immutable */ final class Fields implements FieldsInterface { use SerializableFieldsTrait; use VariantTrait; /** * @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 */ 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; } public function getBytes() : string { return $this->bytes; } 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 getTimeHiAndVersion() : Hexadecimal { return new Hexadecimal(bin2hex(substr($this->bytes, 6, 2))); } public function getTimeLow() : Hexadecimal { return new Hexadecimal(bin2hex(substr($this->bytes, 0, 4))); } public function getTimeMid() : Hexadecimal { return new Hexadecimal(bin2hex(substr($this->bytes, 4, 2))); } public function getTimestamp() : Hexadecimal { return new Hexadecimal(sprintf('%03x%04s%08s', hexdec($this->getTimeHiAndVersion()->toString()) & 0xfff, $this->getTimeMid()->toString(), $this->getTimeLow()->toString())); } public function getVersion() : ?int { return null; } public function isNil() : bool { return \false; } }