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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\Factory\Exception\NotFoundException; |
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/** |
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* This class implements a composite container for use with containers that support the delegate lookup feature. |
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* The goal of the implementation is simplicity. |
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*/ |
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final class CompositeContainer implements ContainerInterface |
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{ |
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/** |
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* Containers to look into starting from the beginning of the array. |
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* |
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* @var ContainerInterface[] The list of containers |
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*/ |
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private array $containers = []; |
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public function get($id) |
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{ |
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if ($id === StateResetter::class) { |
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2 |
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$resetters = []; |
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2 |
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foreach ($this->containers as $container) { |
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if ($container->has(StateResetter::class)) { |
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$resetters[] = $container->get(StateResetter::class); |
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} |
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} |
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return new StateResetter($resetters, $this); |
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} |
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if ($this->isTagAlias($id)) { |
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$tags = []; |
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foreach ($this->containers as $container) { |
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if (!$container instanceof Container) { |
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continue; |
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} |
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if ($container->has($id)) { |
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$tags = array_merge($container->get($id), $tags); |
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} |
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} |
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return $tags; |
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} |
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foreach ($this->containers as $container) { |
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if ($container->has($id)) { |
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try { |
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return $container->get($id); |
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} catch (\Throwable $e) { |
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$firstError = $firstError ?? $e; |
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} |
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} |
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} |
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throw $firstError ?? new NotFoundException($id); |
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} |
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public function has($id): bool |
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{ |
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foreach ($this->containers as $container) { |
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if ($container->has($id)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Attaches a container to the composite container. |
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* |
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* @param ContainerInterface $container |
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*/ |
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public function attach(ContainerInterface $container): void |
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{ |
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array_unshift($this->containers, $container); |
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} |
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/** |
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* Removes a container from the list of containers. |
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* |
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* @param ContainerInterface $container |
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*/ |
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public function detach(ContainerInterface $container): void |
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{ |
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foreach ($this->containers as $i => $c) { |
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if ($container === $c) { |
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unset($this->containers[$i]); |
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} |
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} |
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2 |
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} |
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private function isTagAlias(string $id): bool |
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{ |
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return strpos($id, 'tag@') === 0; |
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} |
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} |
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yiisoft /
di
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