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<?php |
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declare(strict_types=1); |
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namespace Ray\Di; |
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use Ray\Aop\MethodInterceptor; |
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use Ray\Aop\MethodInvocation; |
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use Ray\Aop\ReflectionMethod; |
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use Ray\Di\Di\Assisted; |
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use Ray\Di\Di\Named; |
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use ReflectionNamedType; |
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use ReflectionParameter; |
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use ReflectionType; |
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use function assert; |
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use function class_exists; |
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use function in_array; |
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use function interface_exists; |
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use function is_string; |
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use function parse_str; |
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/** |
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* Assisted injection interceptor for @ Assisted annotated parameter |
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*/ |
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final class AssistedInterceptor implements MethodInterceptor |
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{ |
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/** @var InjectorInterface */ |
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private $injector; |
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/** @var MethodInvocationProvider */ |
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private $methodInvocationProvider; |
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public function __construct(InjectorInterface $injector, MethodInvocationProvider $methodInvocationProvider) |
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{ |
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$this->injector = $injector; |
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$this->methodInvocationProvider = $methodInvocationProvider; |
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} |
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/** |
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* Intercepts any method and injects instances of the missing arguments |
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* when they are type hinted |
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* |
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* @return mixed |
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*/ |
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public function invoke(MethodInvocation $invocation) |
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{ |
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$method = $invocation->getMethod(); |
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$assisted = $method->getAnnotation(Assisted::class); |
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$parameters = $method->getParameters(); |
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$arguments = $invocation->getArguments()->getArrayCopy(); |
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if ($assisted instanceof Assisted) { |
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$this->methodInvocationProvider->set($invocation); |
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$arguments = $this->injectAssistedParameters($method, $assisted, $parameters, $arguments); |
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} |
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$invocation->getArguments()->exchangeArray($arguments); |
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return $invocation->proceed(); |
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} |
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/** |
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* @param array<ReflectionParameter> $parameters |
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* @param array<int, mixed> $arguments |
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* |
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* @return array<int, mixed> |
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* |
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* @internal param int $cntArgs |
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*/ |
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public function injectAssistedParameters(ReflectionMethod $method, Assisted $assisted, array $parameters, array $arguments): array |
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{ |
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foreach ($parameters as $parameter) { |
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if (! in_array($parameter->getName(), $assisted->values, true)) { |
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continue; |
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} |
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$type = $parameter->getType(); |
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$interface = $this->getInterface($type); |
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$name = $this->getName($method, $parameter); |
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$pos = $parameter->getPosition(); |
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/** @psalm-suppress MixedAssignment */ |
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$arguments[$pos] = $this->injector->getInstance($interface, $name); |
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} |
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return $arguments; |
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} |
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/** |
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* Return dependency "name" |
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*/ |
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private function getName(ReflectionMethod $method, ReflectionParameter $parameter): string |
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{ |
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$named = $method->getAnnotation(Named::class); |
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if (! $named instanceof Named) { |
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return Name::ANY; |
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} |
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parse_str($named->value, $names); |
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$paramName = $parameter->getName(); |
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if (isset($names[$paramName]) && is_string($names[$paramName])) { |
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return $names[$paramName]; |
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} |
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return Name::ANY; |
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} |
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/** |
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* @return ''|class-string |
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*/ |
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private function getInterface(?ReflectionType $type) |
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{ |
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$interface = $type instanceof ReflectionNamedType && ! in_array($type->getName(), Argument::UNBOUND_TYPE, true) ? $type->getName() : ''; |
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assert($interface === '' || interface_exists($interface) || class_exists($interface)); |
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return $interface; |
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} |
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} |
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koriym /
Ray.Di
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