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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Di; |
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use Psr\Container\ContainerInterface; |
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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\DefinitionStorage; |
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use Yiisoft\Di\Helpers\DefinitionNormalizer; |
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use function array_keys; |
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use function implode; |
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final class Factory |
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{ |
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private ContainerInterface $container; |
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private DefinitionStorage $definitions; |
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private array $building; |
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public function __construct(ContainerInterface $container, DefinitionStorage $definitions = null) |
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{ |
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$this->container = $container; |
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if($definitions === null) { |
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$this->definitions = new DefinitionStorage(); |
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$this->definitions->setDelegateContainer($container); |
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} else { |
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$this->definitions = $definitions; |
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} |
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} |
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/** |
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* Creates new instance by either interface name or alias. |
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* |
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* @param string $id The interface or an alias name that was previously registered. |
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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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* |
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* @return mixed|object New built instance of the specified class. |
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* |
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* @internal |
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*/ |
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public function create(string $id, array $parameters = []) |
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{ |
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if (isset($this->building[$id])) { |
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if ($id === ContainerInterface::class) { |
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return $this->container; |
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} |
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throw new CircularReferenceException(sprintf( |
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'Circular reference to "%s" detected while building: %s.', |
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$id, |
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implode(', ', array_keys($this->building)) |
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)); |
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} |
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$this->building[$id] = 1; |
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try { |
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/** @var mixed $object */ |
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$object = $this->buildInternal($id, $parameters); |
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} finally { |
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unset($this->building[$id]); |
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} |
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return $object; |
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} |
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public function withDefinitions(array $definitions) |
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{ |
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$new = clone $this; |
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$new->definitions = new DefinitionStorage($definitions); |
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$new->definitions->setDelegateContainer($this->container); |
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return $new; |
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} |
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/** |
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* @param string $id |
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* |
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* @throws InvalidConfigException |
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* @throws NotFoundException |
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* |
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* @return mixed|object |
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*/ |
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private function buildInternal(string $id, array $parameters) |
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{ |
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if ($this->definitions->has($id)) { |
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$definition = $this->definitions->get($id); |
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if (is_array($definition) && !is_callable($definition, true)) { |
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$constructorArguments = $definition['__construct()'] ?? []; |
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$definition['__construct()'] = $this->mergeArguments($constructorArguments, $parameters); |
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} |
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$definition = DefinitionNormalizer::normalize($definition, $id); |
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return $definition->resolve($this->container->get(ContainerInterface::class)); |
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} |
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throw new NotFoundException($id, $this->definitions->getBuildStack()); |
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} |
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private function mergeArguments(array $selfArguments, array $otherArguments): array |
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{ |
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/** @var mixed $argument */ |
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foreach ($otherArguments as $name => $argument) { |
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/** @var mixed */ |
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$selfArguments[$name] = $argument; |
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} |
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return $selfArguments; |
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} |
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} |
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yiisoft /
di
