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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;
use Ramsey\Uuid\Builder\FallbackBuilder;
use Ramsey\Uuid\Builder\UuidBuilderInterface;
use Ramsey\Uuid\Codec\CodecInterface;
use Ramsey\Uuid\Codec\GuidStringCodec;
use Ramsey\Uuid\Codec\StringCodec;
use Ramsey\Uuid\Converter\Number\GenericNumberConverter;
use Ramsey\Uuid\Converter\NumberConverterInterface;
use Ramsey\Uuid\Converter\Time\GenericTimeConverter;
use Ramsey\Uuid\Converter\Time\PhpTimeConverter;
use Ramsey\Uuid\Converter\TimeConverterInterface;
use Ramsey\Uuid\Generator\DceSecurityGenerator;
use Ramsey\Uuid\Generator\DceSecurityGeneratorInterface;
use Ramsey\Uuid\Generator\NameGeneratorFactory;
use Ramsey\Uuid\Generator\NameGeneratorInterface;
use Ramsey\Uuid\Generator\PeclUuidNameGenerator;
use Ramsey\Uuid\Generator\PeclUuidRandomGenerator;
use Ramsey\Uuid\Generator\PeclUuidTimeGenerator;
use Ramsey\Uuid\Generator\RandomGeneratorFactory;
use Ramsey\Uuid\Generator\RandomGeneratorInterface;
use Ramsey\Uuid\Generator\TimeGeneratorFactory;
use Ramsey\Uuid\Generator\TimeGeneratorInterface;
use Ramsey\Uuid\Generator\UnixTimeGenerator;
use Ramsey\Uuid\Guid\GuidBuilder;
use Ramsey\Uuid\Math\BrickMathCalculator;
use Ramsey\Uuid\Math\CalculatorInterface;
use Ramsey\Uuid\Nonstandard\UuidBuilder as NonstandardUuidBuilder;
use Ramsey\Uuid\Provider\Dce\SystemDceSecurityProvider;
use Ramsey\Uuid\Provider\DceSecurityProviderInterface;
use Ramsey\Uuid\Provider\Node\FallbackNodeProvider;
use Ramsey\Uuid\Provider\Node\RandomNodeProvider;
use Ramsey\Uuid\Provider\Node\SystemNodeProvider;
use Ramsey\Uuid\Provider\NodeProviderInterface;
use Ramsey\Uuid\Provider\Time\SystemTimeProvider;
use Ramsey\Uuid\Provider\TimeProviderInterface;
use Ramsey\Uuid\Rfc4122\UuidBuilder as Rfc4122UuidBuilder;
use Ramsey\Uuid\Validator\GenericValidator;
use Ramsey\Uuid\Validator\ValidatorInterface;
use const PHP_INT_SIZE;
/**
* FeatureSet detects and exposes available features in the current environment
*
* A feature set is used by UuidFactory to determine the available features and
* capabilities of the environment.
*/
class FeatureSet
{
private ?TimeProviderInterface $timeProvider = null;
private CalculatorInterface $calculator;
private CodecInterface $codec;
private DceSecurityGeneratorInterface $dceSecurityGenerator;
private NameGeneratorInterface $nameGenerator;
private NodeProviderInterface $nodeProvider;
private NumberConverterInterface $numberConverter;
private RandomGeneratorInterface $randomGenerator;
private TimeConverterInterface $timeConverter;
private TimeGeneratorInterface $timeGenerator;
private TimeGeneratorInterface $unixTimeGenerator;
private UuidBuilderInterface $builder;
private ValidatorInterface $validator;
/**
* @param bool $useGuids True build UUIDs using the GuidStringCodec
* @param bool $force32Bit True to force the use of 32-bit functionality
* (primarily for testing purposes)
* @param bool $forceNoBigNumber (obsolete)
* @param bool $ignoreSystemNode True to disable attempts to check for the
* system node ID (primarily for testing purposes)
* @param bool $enablePecl True to enable the use of the PeclUuidTimeGenerator
* to generate version 1 UUIDs
*/
public function __construct(
bool $useGuids = false,
private bool $force32Bit = false,
bool $forceNoBigNumber = false,
private bool $ignoreSystemNode = false,
private bool $enablePecl = false
) {
$this->randomGenerator = $this->buildRandomGenerator();
$this->setCalculator(new BrickMathCalculator());
$this->builder = $this->buildUuidBuilder($useGuids);
$this->codec = $this->buildCodec($useGuids);
$this->nodeProvider = $this->buildNodeProvider();
$this->nameGenerator = $this->buildNameGenerator();
$this->setTimeProvider(new SystemTimeProvider());
$this->setDceSecurityProvider(new SystemDceSecurityProvider());
$this->validator = new GenericValidator();
assert($this->timeProvider !== null);
$this->unixTimeGenerator = $this->buildUnixTimeGenerator();
}
/**
* Returns the builder configured for this environment
*/
public function getBuilder(): UuidBuilderInterface
{
return $this->builder;
}
/**
* Returns the calculator configured for this environment
*/
public function getCalculator(): CalculatorInterface
{
return $this->calculator;
}
/**
* Returns the codec configured for this environment
*/
public function getCodec(): CodecInterface
{
return $this->codec;
}
/**
* Returns the DCE Security generator configured for this environment
*/
public function getDceSecurityGenerator(): DceSecurityGeneratorInterface
{
return $this->dceSecurityGenerator;
}
/**
* Returns the name generator configured for this environment
*/
public function getNameGenerator(): NameGeneratorInterface
{
return $this->nameGenerator;
}
/**
* Returns the node provider configured for this environment
*/
public function getNodeProvider(): NodeProviderInterface
{
return $this->nodeProvider;
}
/**
* Returns the number converter configured for this environment
*/
public function getNumberConverter(): NumberConverterInterface
{
return $this->numberConverter;
}
/**
* Returns the random generator configured for this environment
*/
public function getRandomGenerator(): RandomGeneratorInterface
{
return $this->randomGenerator;
}
/**
* Returns the time converter configured for this environment
*/
public function getTimeConverter(): TimeConverterInterface
{
return $this->timeConverter;
}
/**
* Returns the time generator configured for this environment
*/
public function getTimeGenerator(): TimeGeneratorInterface
{
return $this->timeGenerator;
}
/**
* Returns the Unix Epoch time generator configured for this environment
*/
public function getUnixTimeGenerator(): TimeGeneratorInterface
{
return $this->unixTimeGenerator;
}
/**
* Returns the validator configured for this environment
*/
public function getValidator(): ValidatorInterface
{
return $this->validator;
}
/**
* Sets the calculator to use in this environment
*/
public function setCalculator(CalculatorInterface $calculator): void
{
$this->calculator = $calculator;
$this->numberConverter = $this->buildNumberConverter($calculator);
$this->timeConverter = $this->buildTimeConverter($calculator);
/** @psalm-suppress RedundantPropertyInitializationCheck */
if (isset($this->timeProvider)) {
$this->timeGenerator = $this->buildTimeGenerator($this->timeProvider);
}
}
/**
* Sets the DCE Security provider to use in this environment
*/
public function setDceSecurityProvider(DceSecurityProviderInterface $dceSecurityProvider): void
{
$this->dceSecurityGenerator = $this->buildDceSecurityGenerator($dceSecurityProvider);
}
/**
* Sets the node provider to use in this environment
*/
public function setNodeProvider(NodeProviderInterface $nodeProvider): void
{
$this->nodeProvider = $nodeProvider;
if (isset($this->timeProvider)) {
$this->timeGenerator = $this->buildTimeGenerator($this->timeProvider);
}
}
/**
* Sets the time provider to use in this environment
*/
public function setTimeProvider(TimeProviderInterface $timeProvider): void
{
$this->timeProvider = $timeProvider;
$this->timeGenerator = $this->buildTimeGenerator($timeProvider);
}
/**
* Set the validator to use in this environment
*/
public function setValidator(ValidatorInterface $validator): void
{
$this->validator = $validator;
}
/**
* Returns a codec configured for this environment
*
* @param bool $useGuids Whether to build UUIDs using the GuidStringCodec
*/
private function buildCodec(bool $useGuids = false): CodecInterface
{
if ($useGuids) {
return new GuidStringCodec($this->builder);
}
return new StringCodec($this->builder);
}
/**
* Returns a DCE Security generator configured for this environment
*/
private function buildDceSecurityGenerator(
DceSecurityProviderInterface $dceSecurityProvider
): DceSecurityGeneratorInterface {
return new DceSecurityGenerator(
$this->numberConverter,
$this->timeGenerator,
$dceSecurityProvider
);
}
/**
* Returns a node provider configured for this environment
*/
private function buildNodeProvider(): NodeProviderInterface
{
if ($this->ignoreSystemNode) {
return new RandomNodeProvider();
}
return new FallbackNodeProvider([
new SystemNodeProvider(),
new RandomNodeProvider(),
]);
}
/**
* Returns a number converter configured for this environment
*/
private function buildNumberConverter(CalculatorInterface $calculator): NumberConverterInterface
{
return new GenericNumberConverter($calculator);
}
/**
* Returns a random generator configured for this environment
*/
private function buildRandomGenerator(): RandomGeneratorInterface
{
if ($this->enablePecl) {
return new PeclUuidRandomGenerator();
}
return (new RandomGeneratorFactory())->getGenerator();
}
/**
* Returns a time generator configured for this environment
*
* @param TimeProviderInterface $timeProvider The time provider to use with
* the time generator
*/
private function buildTimeGenerator(TimeProviderInterface $timeProvider): TimeGeneratorInterface
{
if ($this->enablePecl) {
return new PeclUuidTimeGenerator();
}
return (new TimeGeneratorFactory(
$this->nodeProvider,
$this->timeConverter,
$timeProvider
))->getGenerator();
}
/**
* Returns a Unix Epoch time generator configured for this environment
*/
private function buildUnixTimeGenerator(): TimeGeneratorInterface
{
return new UnixTimeGenerator($this->randomGenerator);
}
/**
* Returns a name generator configured for this environment
*/
private function buildNameGenerator(): NameGeneratorInterface
{
if ($this->enablePecl) {
return new PeclUuidNameGenerator();
}
return (new NameGeneratorFactory())->getGenerator();
}
/**
* Returns a time converter configured for this environment
*/
private function buildTimeConverter(CalculatorInterface $calculator): TimeConverterInterface
{
$genericConverter = new GenericTimeConverter($calculator);
if ($this->is64BitSystem()) {
return new PhpTimeConverter($calculator, $genericConverter);
}
return $genericConverter;
}
/**
* Returns a UUID builder configured for this environment
*
* @param bool $useGuids Whether to build UUIDs using the GuidStringCodec
*/
private function buildUuidBuilder(bool $useGuids = false): UuidBuilderInterface
{
if ($useGuids) {
return new GuidBuilder($this->numberConverter, $this->timeConverter);
}
return new FallbackBuilder([
new Rfc4122UuidBuilder($this->numberConverter, $this->timeConverter),
new NonstandardUuidBuilder($this->numberConverter, $this->timeConverter),
]);
}
/**
* Returns true if the PHP build is 64-bit
*/
private function is64BitSystem(): bool
{
return PHP_INT_SIZE === 8 && !$this->force32Bit;
}
}
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