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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\ContainerInterface; |
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use Yiisoft\Factory\Definitions\ArrayDefinition; |
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use Yiisoft\Factory\Definitions\DefinitionInterface; |
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use Yiisoft\Factory\Definitions\Normalizer; |
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use Yiisoft\Factory\Exceptions\InvalidConfigException; |
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use Yiisoft\Factory\Exceptions\NotInstantiableException; |
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use function is_string; |
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class Factory implements FactoryInterface |
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{ |
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/** |
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* @var ContainerInterface|null Parent container. |
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*/ |
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private ?ContainerInterface $container = null; |
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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 $definitions = []; |
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/** |
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* Factory constructor. |
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* |
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* @psalm-param array<string, mixed> $definitions |
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* |
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* @throws InvalidConfigException |
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* @throws NotInstantiableException |
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*/ |
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public function __construct(ContainerInterface $container = null, array $definitions = []) |
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{ |
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$this->container = $container; |
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$this->setMultiple($definitions); |
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} |
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public function create($config, array $params = []) |
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{ |
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$definition = Normalizer::normalize($config, null, $params); |
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if ($definition instanceof ArrayDefinition && $this->has($definition->getClass())) { |
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$definition = $this->merge($this->getDefinition($definition->getClass()), $definition); |
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} |
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if ($definition instanceof ArrayDefinition) { |
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return $definition->resolve($this->container ?? $this); |
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} |
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return $definition->resolve($this); |
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} |
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private function merge(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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* @param mixed $id |
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* |
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* @return mixed|object |
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*/ |
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public function get($id) |
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{ |
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$definition = $this->getDefinition($id); |
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if ($definition instanceof ArrayDefinition) { |
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return $definition->resolve($this->container ?? $this); |
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} |
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return $definition->resolve($this); |
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} |
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/** |
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* @param mixed $id |
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* |
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* @throws InvalidConfigException |
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*/ |
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public function getDefinition($id): DefinitionInterface |
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{ |
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if (is_string($id)) { |
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// prevent infinite loop when Reference definition points to string but not to a class |
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/** @psalm-suppress ArgumentTypeCoercion */ |
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return $this->definitions[$id] ?? ArrayDefinition::fromArray($id); |
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} |
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return Normalizer::normalize($id); |
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} |
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/** |
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* Sets a definition to the factory. |
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* |
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* @param mixed $definition |
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* |
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* @throws InvalidConfigException |
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* |
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* @see `Normalizer::normalize()` |
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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[$id] = Normalizer::normalize($definition, $id); |
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} |
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/** |
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* Sets multiple definitions at once. |
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* |
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* @param array $definitions definitions indexed by their ids |
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* |
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* @psalm-param array<string, mixed> $definitions |
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* |
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* @throws InvalidConfigException |
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*/ |
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public function setMultiple(array $definitions): void |
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{ |
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/** @var mixed $definition */ |
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foreach ($definitions as $id => $definition) { |
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$this->set($id, $definition); |
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} |
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} |
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/** |
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* Returns a value indicating whether the container has the definition of the specified name. |
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* |
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* @param string $id class name, interface name or alias name |
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* |
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* @return bool whether the container is able to provide instance of class specified. |
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* |
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* @see set() |
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*/ |
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public function has($id): bool |
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{ |
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return isset($this->definitions[$id]); |
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} |
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} |
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yiisoft /
factory
