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<?php |
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|
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declare (strict_types=1); |
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namespace ElementorDeps\Invoker; |
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|
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use ElementorDeps\Invoker\Exception\NotCallableException; |
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use ElementorDeps\Invoker\Exception\NotEnoughParametersException; |
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use ElementorDeps\Invoker\ParameterResolver\AssociativeArrayResolver; |
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use ElementorDeps\Invoker\ParameterResolver\DefaultValueResolver; |
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use ElementorDeps\Invoker\ParameterResolver\NumericArrayResolver; |
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use ElementorDeps\Invoker\ParameterResolver\ParameterResolver; |
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use ElementorDeps\Invoker\ParameterResolver\ResolverChain; |
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use ElementorDeps\Invoker\Reflection\CallableReflection; |
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use ElementorDeps\Psr\Container\ContainerInterface; |
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use ReflectionParameter; |
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/** |
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* Invoke a callable. |
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*/ |
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class Invoker implements InvokerInterface |
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{ |
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/** @var CallableResolver|null */ |
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private $callableResolver; |
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/** @var ParameterResolver */ |
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private $parameterResolver; |
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/** @var ContainerInterface|null */ |
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private $container; |
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public function __construct(?ParameterResolver $parameterResolver = null, ?ContainerInterface $container = null) |
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{ |
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$this->parameterResolver = $parameterResolver ?: $this->createParameterResolver(); |
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$this->container = $container; |
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if ($container) { |
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$this->callableResolver = new CallableResolver($container); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function call($callable, array $parameters = []) |
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{ |
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if ($this->callableResolver) { |
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$callable = $this->callableResolver->resolve($callable); |
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} |
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if (!\is_callable($callable)) { |
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throw new NotCallableException(\sprintf('%s is not a callable', \is_object($callable) ? 'Instance of ' . \get_class($callable) : \var_export($callable, \true))); |
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} |
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$callableReflection = CallableReflection::create($callable); |
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$args = $this->parameterResolver->getParameters($callableReflection, $parameters, []); |
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// Sort by array key because call_user_func_array ignores numeric keys |
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\ksort($args); |
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// Check all parameters are resolved |
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$diff = \array_diff_key($callableReflection->getParameters(), $args); |
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$parameter = \reset($diff); |
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if ($parameter && \assert($parameter instanceof ReflectionParameter) && !$parameter->isVariadic()) { |
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throw new NotEnoughParametersException(\sprintf('Unable to invoke the callable because no value was given for parameter %d ($%s)', $parameter->getPosition() + 1, $parameter->name)); |
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} |
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return \call_user_func_array($callable, $args); |
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} |
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/** |
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* Create the default parameter resolver. |
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*/ |
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private function createParameterResolver() : ParameterResolver |
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{ |
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return new ResolverChain([new NumericArrayResolver(), new AssociativeArrayResolver(), new DefaultValueResolver()]); |
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} |
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/** |
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* @return ParameterResolver By default it's a ResolverChain |
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*/ |
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public function getParameterResolver() : ParameterResolver |
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{ |
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return $this->parameterResolver; |
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} |
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public function getContainer() : ?ContainerInterface |
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{ |
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return $this->container; |
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} |
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/** |
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* @return CallableResolver|null Returns null if no container was given in the constructor. |
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*/ |
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public function getCallableResolver() : ?CallableResolver |
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{ |
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return $this->callableResolver; |
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} |
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} |
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