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<?php |
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declare(strict_types=1); |
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namespace Gacela\Container; |
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use Psr\Container\ContainerInterface; |
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use function is_callable; |
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use function is_object; |
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final class Container implements ContainerInterface |
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{ |
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private ?DependencyResolver $dependencyResolver = null; |
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/** @var array<class-string,list<mixed>> */ |
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private array $cachedDependencies = []; |
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/** |
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* @param array<class-string, class-string|callable|object> $bindings |
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*/ |
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public function __construct( |
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private array $bindings = [], |
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) { |
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} |
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/** |
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* @param class-string $className |
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*/ |
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public static function create(string $className): ?object |
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{ |
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return (new self())->get($className); |
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} |
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public function has(string $id): bool |
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{ |
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return is_object($this->get($id)); |
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} |
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/** |
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* @param class-string|string $id |
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*/ |
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public function get(string $id): ?object |
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{ |
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if (isset($this->bindings[$id])) { |
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$binding = $this->bindings[$id]; |
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if (is_callable($binding)) { |
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/** @var mixed $binding */ |
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$binding = $binding(); |
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} |
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if (is_object($binding)) { |
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return $binding; |
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} |
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/** @var class-string $binding */ |
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if (class_exists($binding)) { |
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return $this->instantiateClass($binding); |
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} |
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} |
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if (class_exists($id)) { |
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return $this->instantiateClass($id); |
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} |
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return null; |
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} |
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/** |
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* @param class-string $class |
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*/ |
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private function instantiateClass(string $class): ?object |
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{ |
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if (class_exists($class)) { |
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if (!isset($this->cachedDependencies[$class])) { |
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$this->cachedDependencies[$class] = $this |
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->getDependencyResolver() |
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->resolveDependencies($class); |
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} |
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/** @psalm-suppress MixedMethodCall */ |
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return new $class(...$this->cachedDependencies[$class]); |
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} |
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return null; |
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} |
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private function getDependencyResolver(): DependencyResolver |
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{ |
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if ($this->dependencyResolver === null) { |
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$this->dependencyResolver = new DependencyResolver( |
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$this->bindings, |
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); |
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} |
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return $this->dependencyResolver; |
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} |
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} |
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gacela-project /
container
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