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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Factory; |
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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\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\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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use function is_string; |
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/** |
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* @internal |
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*/ |
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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 $id |
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* |
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* @throws NotFoundExceptionInterface |
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* @throws ContainerExceptionInterface |
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* |
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* @return mixed|object |
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* |
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* @psalm-suppress InvalidThrow |
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*/ |
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public function get($id) |
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{ |
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if ($this->container !== null) { |
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return $this->container->get($id); |
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} |
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return $this->getFromFactory($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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if ($this->container !== null) { |
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return $this->container->has($id); |
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} |
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return $this->canBeCreatedByFactory($id); |
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} |
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public function resolveReference(string $id) |
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{ |
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return $this->getFromFactory($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 setFactoryDefinition(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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* @param mixed $config |
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* |
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* @throws CircularReferenceException |
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* @throws NotFoundException |
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* @throws NotInstantiableException |
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* @throws InvalidConfigException |
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* |
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* @return mixed |
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*/ |
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public function create($config) |
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{ |
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$definition = $this->createDefinition($config); |
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if ($definition instanceof ArrayDefinition) { |
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$this->creatingIds[$definition->getClass()] = 1; |
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} |
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try { |
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return $definition->resolve($this); |
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} finally { |
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if ($definition instanceof ArrayDefinition) { |
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unset($this->creatingIds[$definition->getClass()]); |
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} |
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} |
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} |
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/** |
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* @param mixed $config |
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* |
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* @throws InvalidConfigException |
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*/ |
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private function createDefinition($config): DefinitionInterface |
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{ |
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if (is_string($config) && isset($this->definitions[$config])) { |
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return Normalizer::normalize( |
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is_object($this->definitions[$config]) |
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? clone $this->definitions[$config] |
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: $this->definitions[$config], |
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$config |
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); |
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} |
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$definition = Normalizer::normalize($config); |
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if ( |
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($definition instanceof ArrayDefinition) && |
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isset($this->definitions[$definition->getClass()]) |
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) { |
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$definition = $this->mergeDefinitions( |
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$this->getDefinition($definition->getClass()), |
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$definition |
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); |
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} |
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return $definition; |
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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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private function getFromFactory(string $id) |
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{ |
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if (isset($this->creatingIds[$id])) { |
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if ($id === ContainerInterface::class) { |
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return $this; |
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} |
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throw new CircularReferenceException(sprintf( |
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'Circular reference to "%s" detected while creating: %s.', |
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$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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* @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[$id])) { |
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$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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10 |
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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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1 |
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private function canBeCreatedByFactory(string $id): bool |
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{ |
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1 |
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return isset($this->definitions[$id]) || class_exists($id); |
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} |
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4 |
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private function mergeDefinitions(DefinitionInterface $one, ArrayDefinition $two): DefinitionInterface |
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{ |
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return $one instanceof ArrayDefinition ? $one->merge($two) : $two; |
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} |
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} |
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yiisoft /
factory
