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<?php |
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/* |
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* This file is part of the Micro framework package. |
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* |
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* (c) Stanislau Komar <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Micro\Component\DependencyInjection; |
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use Micro\Component\DependencyInjection\Exception\ServiceNotRegisteredException; |
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use Micro\Component\DependencyInjection\Exception\ServiceRegistrationException; |
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use Psr\Container\ContainerInterface; |
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/** |
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* @author Stanislau Komar <[email protected]> |
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*/ |
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class Container implements ContainerInterface, ContainerRegistryInterface, ContainerDecoratorInterface |
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{ |
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/** |
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* @var array<class-string, mixed> |
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*/ |
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private array $services = []; |
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/** |
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* @var array<class-string, callable(Container): object> |
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*/ |
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private array $servicesRaw = []; |
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/** |
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* @var array<class-string, array<int, array<callable(object, Container): object>>> |
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*/ |
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private array $decorators = []; |
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/** |
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* @psalm-suppress MoreSpecificImplementedParamType |
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* @psalm-suppress MixedPropertyTypeCoercion |
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* |
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* @template T of object |
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* |
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* @param class-string<T> $id |
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* |
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* @psalm-return T |
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*/ |
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public function get(string $id): object |
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{ |
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if (!empty($this->services[$id])) { |
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return $this->services[$id]; |
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} |
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$this->initializeService($id); |
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return $this->services[$id]; |
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} |
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/** |
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* @param class-string $id |
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* |
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* @psalm-suppress MoreSpecificImplementedParamType |
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*/ |
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public function has(string $id): bool |
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{ |
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return !empty($this->servicesRaw[$id]) || !empty($this->services[$id]); |
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} |
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public function register(string $id, callable $service, bool $force = false): void |
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{ |
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if ($this->has($id) && !$force) { |
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throw new ServiceRegistrationException(sprintf('Service "%s" already registered', $id)); |
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} |
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$this->servicesRaw[$id] = $service; |
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} |
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/** |
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* @psalm-suppress InvalidPropertyAssignmentValue |
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*/ |
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public function decorate(string $id, callable $service, int $priority = 0): void |
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{ |
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if (!\array_key_exists($id, $this->decorators)) { |
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$this->decorators[$id] = []; |
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} |
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$this->decorators[$id][$priority][] = $service; |
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} |
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/** |
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* @template T of Object |
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* |
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* @param class-string<T> $serviceId |
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*/ |
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protected function initializeService(string $serviceId): void |
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{ |
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if (empty($this->servicesRaw[$serviceId])) { |
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throw new ServiceNotRegisteredException($serviceId); |
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} |
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$raw = $this->servicesRaw[$serviceId]; |
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$service = $raw($this); |
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$this->services[$serviceId] = $service; |
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if (!\array_key_exists($serviceId, $this->decorators)) { |
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return; |
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} |
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$decoratorsByPriority = $this->decorators[$serviceId]; |
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krsort($decoratorsByPriority); |
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foreach ($decoratorsByPriority as $decorators) { |
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foreach ($decorators as $decorator) { |
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$this->services[$serviceId] = $decorator($this->services[$serviceId], $this); |
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} |
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} |
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unset($this->decorators[$serviceId]); |
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} |
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} |
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Micro-PHP /
lib-dependency-injection
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