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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Factory\ServiceLocator; |
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use Psr\Container\ContainerExceptionInterface; |
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use Psr\Container\ContainerInterface; |
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use Psr\Container\NotFoundExceptionInterface; |
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use Yiisoft\Definitions\ArrayDefinition; |
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use Yiisoft\Definitions\Contract\DefinitionInterface; |
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use Yiisoft\Definitions\Contract\DependencyResolverInterface; |
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use Yiisoft\Definitions\Contract\ReferenceInterface; |
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use Yiisoft\Definitions\Exception\CircularReferenceException; |
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use Yiisoft\Definitions\Exception\InvalidConfigException; |
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use Yiisoft\Definitions\Exception\NotFoundException; |
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use Yiisoft\Definitions\Exception\NotInstantiableClassException; |
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use Yiisoft\Definitions\Exception\NotInstantiableException; |
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use Yiisoft\Definitions\Infrastructure\Normalizer; |
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use Yiisoft\Injector\Injector; |
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use function is_object; |
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final class DependencyResolver implements DependencyResolverInterface |
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{ |
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private ?ContainerInterface $container; |
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private ?Injector $injector = null; |
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/** |
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* @var mixed[] Definitions |
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* @psalm-var array<string, mixed> |
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*/ |
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private array $definitions = []; |
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/** |
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* @var DefinitionInterface[] object definitions indexed by their types |
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* @psalm-var array<string, DefinitionInterface> |
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*/ |
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private array $definitionInstances = []; |
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/** |
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* @var array used to collect IDs instantiated during build to detect circular references |
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* |
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* @psalm-var array<string,1> |
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*/ |
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private array $creatingIds = []; |
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public function __construct(?ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* @param string $id |
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* |
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* @throws CircularReferenceException |
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* @throws InvalidConfigException |
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* @throws NotFoundException |
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* @throws NotInstantiableException |
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* |
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* @return mixed|object |
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*/ |
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public function getFromServiceLocator(string $id) |
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{ |
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if (isset($this->creatingIds[$id])) { |
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throw new CircularReferenceException(sprintf( |
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'Circular reference to "%s" detected while creating: %s.', |
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$id, |
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implode(',', array_keys($this->creatingIds)) |
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)); |
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} |
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$this->creatingIds[$id] = 1; |
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try { |
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return $this->getDefinition($id)->resolve($this); |
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} finally { |
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unset($this->creatingIds[$id]); |
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} |
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} |
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/** |
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* @param string $id |
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* |
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* @throws NotFoundExceptionInterface |
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* @throws ContainerExceptionInterface |
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* |
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* @return mixed|object |
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* |
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* @psalm-suppress InvalidThrow |
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*/ |
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public function get($id) |
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{ |
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if ($this->container !== null && $this->container->has($id)) { |
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return $this->container->get($id); |
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} |
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throw new NotInstantiableClassException($id); |
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} |
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/** |
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* @param string $id |
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*/ |
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public function has($id): bool |
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{ |
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return isset($this->definitions[$id]); |
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} |
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public function resolveReference(string $id) |
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{ |
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return $this->getFromServiceLocator($id); |
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} |
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public function invoke(callable $callable) |
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{ |
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return $this->getInjector()->invoke($callable); |
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} |
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/** |
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* @param mixed $definition |
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*/ |
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public function set(string $id, $definition): void |
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{ |
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$this->definitions[$id] = $definition; |
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} |
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/** |
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* @throws InvalidConfigException |
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*/ |
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private function getDefinition(string $id): DefinitionInterface |
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{ |
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if (!isset($this->definitionInstances[$id])) { |
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if (isset($this->definitions[$id])) { |
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if (is_object($this->definitions[$id]) && !($this->definitions[$id] instanceof ReferenceInterface)) { |
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return Normalizer::normalize(clone $this->definitions[$id], $id); |
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} |
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$this->definitionInstances[$id] = Normalizer::normalize($this->definitions[$id], $id); |
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} else { |
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/** @psalm-var class-string $id */ |
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$this->definitionInstances[$id] = ArrayDefinition::fromPreparedData($id); |
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} |
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} |
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return $this->definitionInstances[$id]; |
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} |
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private function getInjector(): Injector |
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{ |
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return $this->injector ??= new Injector($this); |
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} |
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} |
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yiisoft /
factory
