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<?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\Lazy;
use DateTimeInterface;
use Ramsey\Uuid\Converter\NumberConverterInterface;
use Ramsey\Uuid\Exception\UnsupportedOperationException;
use Ramsey\Uuid\Fields\FieldsInterface;
use Ramsey\Uuid\Nonstandard\UuidV6;
use Ramsey\Uuid\Rfc4122\UuidV1;
use Ramsey\Uuid\Type\Hexadecimal;
use Ramsey\Uuid\Type\Integer as IntegerObject;
use Ramsey\Uuid\UuidFactory;
use Ramsey\Uuid\UuidInterface;
use function assert;
use function bin2hex;
use function hex2bin;
use function str_replace;
use function substr;
/**
* Lazy version of a UUID: its format has not been determined yet, so it is mostly only usable for string/bytes
* conversion. This object optimizes instantiation, serialization and string conversion time, at the cost of
* increased overhead for more advanced UUID operations.
*
* @internal this type is used internally for performance reasons, and is not supposed to be directly referenced
* in consumer libraries.
*
* @psalm-immutable
*
* Note: the {@see FieldsInterface} does not declare methods that deprecated API
* relies upon: the API has been ported from the {@see \Ramsey\Uuid\Uuid} definition,
* and is deprecated anyway.
* Note: the deprecated API from {@see \Ramsey\Uuid\Uuid} is in use here (on purpose): it will be removed
* once the deprecated API is gone from this class too.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
*/
final class LazyUuidFromString implements UuidInterface
{
public const VALID_REGEX = '/\A[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\z/ms';
/**
* @var string
* @psalm-var non-empty-string
*/
private $uuid;
/** @var UuidInterface|null */
private $unwrapped;
/** @psalm-param non-empty-string $uuid */
public function __construct(string $uuid)
{
$this->uuid = $uuid;
}
/** @psalm-pure */
public static function fromBytes(string $bytes): self
{
$base16Uuid = bin2hex($bytes);
return new self(
substr($base16Uuid, 0, 8)
. '-'
. substr($base16Uuid, 8, 4)
. '-'
. substr($base16Uuid, 12, 4)
. '-'
. substr($base16Uuid, 16, 4)
. '-'
. substr($base16Uuid, 20, 12)
);
}
public function serialize(): string
{
return $this->uuid;
}
/**
* {@inheritDoc}
*
* @param string $serialized
*
* @psalm-param non-empty-string $serialized
*/
public function unserialize($serialized): void
{
$this->uuid = $serialized;
}
/** @psalm-suppress DeprecatedMethod */
public function getNumberConverter(): NumberConverterInterface
{
return ($this->unwrapped ?? $this->unwrap())
->getNumberConverter();
}
/**
* {@inheritDoc}
*
* @psalm-suppress DeprecatedMethod
*/
public function getFieldsHex(): array
{
return ($this->unwrapped ?? $this->unwrap())
->getFieldsHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getClockSeqHiAndReservedHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getClockSeqHiAndReservedHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getClockSeqLowHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getClockSeqLowHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getClockSequenceHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getClockSequenceHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getDateTime(): DateTimeInterface
{
return ($this->unwrapped ?? $this->unwrap())
->getDateTime();
}
/** @psalm-suppress DeprecatedMethod */
public function getLeastSignificantBitsHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getLeastSignificantBitsHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getMostSignificantBitsHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getMostSignificantBitsHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getNodeHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getNodeHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getTimeHiAndVersionHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getTimeHiAndVersionHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getTimeLowHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getTimeLowHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getTimeMidHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getTimeMidHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getTimestampHex(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getTimestampHex();
}
/** @psalm-suppress DeprecatedMethod */
public function getUrn(): string
{
return ($this->unwrapped ?? $this->unwrap())
->getUrn();
}
/** @psalm-suppress DeprecatedMethod */
public function getVariant(): ?int
{
return ($this->unwrapped ?? $this->unwrap())
->getVariant();
}
/** @psalm-suppress DeprecatedMethod */
public function getVersion(): ?int
{
return ($this->unwrapped ?? $this->unwrap())
->getVersion();
}
public function compareTo(UuidInterface $other): int
{
return ($this->unwrapped ?? $this->unwrap())
->compareTo($other);
}
public function equals(?object $other): bool
{
if (! $other instanceof UuidInterface) {
return false;
}
return $this->uuid === $other->toString();
}
/**
* {@inheritDoc}
*
* @psalm-suppress MoreSpecificReturnType
* @psalm-suppress LessSpecificReturnStatement we know that {@see self::$uuid} is a non-empty string, so
* we know that {@see hex2bin} will retrieve a non-empty string too.
*/
public function getBytes(): string
{
return (string) hex2bin(str_replace('-', '', $this->uuid));
}
public function getFields(): FieldsInterface
{
return ($this->unwrapped ?? $this->unwrap())
->getFields();
}
public function getHex(): Hexadecimal
{
return ($this->unwrapped ?? $this->unwrap())
->getHex();
}
public function getInteger(): IntegerObject
{
return ($this->unwrapped ?? $this->unwrap())
->getInteger();
}
public function toString(): string
{
return $this->uuid;
}
public function __toString(): string
{
return $this->uuid;
}
public function jsonSerialize(): string
{
return $this->uuid;
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getClockSeqHiAndReserved()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getClockSeqHiAndReserved(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getClockSeqHiAndReserved()
->toString()
);
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getClockSeqLow()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getClockSeqLow(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getClockSeqLow()
->toString()
);
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getClockSeq()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getClockSequence(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getClockSeq()
->toString()
);
}
/**
* @deprecated This method will be removed in 5.0.0. There is no direct
* alternative, but the same information may be obtained by splitting
* in half the value returned by {@see UuidInterface::getHex()}.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getLeastSignificantBits(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(substr($instance->getHex()->toString(), 16));
}
/**
* @deprecated This method will be removed in 5.0.0. There is no direct
* alternative, but the same information may be obtained by splitting
* in half the value returned by {@see UuidInterface::getHex()}.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getMostSignificantBits(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(substr($instance->getHex()->toString(), 0, 16));
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getNode()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getNode(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getNode()
->toString()
);
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getTimeHiAndVersion()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getTimeHiAndVersion(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getTimeHiAndVersion()
->toString()
);
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getTimeLow()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getTimeLow(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getTimeLow()
->toString()
);
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getTimeMid()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getTimeMid(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
return $instance->getNumberConverter()
->fromHex(
$instance->getFields()
->getTimeMid()
->toString()
);
}
/**
* @deprecated Use {@see UuidInterface::getFields()} to get a
* {@see FieldsInterface} instance. If it is a {@see Rfc4122FieldsInterface}
* instance, you may call {@see Rfc4122FieldsInterface::getTimestamp()}
* and use the arbitrary-precision math library of your choice to
* convert it to a string integer.
*
* @psalm-suppress UndefinedInterfaceMethod
* @psalm-suppress DeprecatedMethod
* @psalm-suppress MixedArgument
* @psalm-suppress MixedMethodCall
*/
public function getTimestamp(): string
{
$instance = ($this->unwrapped ?? $this->unwrap());
$fields = $instance->getFields();
if ($fields->getVersion() !== 1) {
throw new UnsupportedOperationException('Not a time-based UUID');
}
return $instance->getNumberConverter()
->fromHex($fields->getTimestamp()->toString());
}
public function toUuidV1(): UuidV1
{
$instance = ($this->unwrapped ?? $this->unwrap());
if ($instance instanceof UuidV1) {
return $instance;
}
assert($instance instanceof UuidV6);
return $instance->toUuidV1();
}
public function toUuidV6(): UuidV6
{
$instance = ($this->unwrapped ?? $this->unwrap());
assert($instance instanceof UuidV6);
return $instance;
}
/**
* @psalm-suppress ImpureMethodCall the retrieval of the factory is a clear violation of purity here: this is a
* known pitfall of the design of this library, where a value object contains
* a mutable reference to a factory. We use a fixed factory here, so the violation
* will not have real-world effects, as this object is only instantiated with the
* default factory settings/features.
* @psalm-suppress InaccessibleProperty property {@see $unwrapped} is used as a cache: we don't expose it to the
* outside world, so we should be fine here.
*/
private function unwrap(): UuidInterface
{
return $this->unwrapped = (new UuidFactory())
->fromString($this->uuid);
}
}