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<?php |
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declare(strict_types=1); |
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namespace Antidot\Container; |
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use Psr\Container\ContainerInterface; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use ReflectionParameter; |
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class InstanceResolver |
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{ |
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private $config; |
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private $instances; |
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private $parameters; |
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private $container; |
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public function __construct(ContainerConfig $config, InstanceCollection $instances, ContainerInterface $container) |
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{ |
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$this->config = $config; |
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$this->instances = $instances; |
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$this->parameters = new ParamCollection($config->get('parameters')); |
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$this->container = $container; |
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} |
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public function setInstanceOf(string $id): void |
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{ |
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if ($this->config->has($id)) { |
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$this->setConfiguredInstance($id); |
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return; |
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} |
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if (class_exists($id)) { |
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$this->instances->set($id, $this->getAnInstanceOf($id, $id)); |
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} |
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} |
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private function getAnInstanceOf(string $id, string $className) |
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{ |
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$this->parameters->set($id, $this->parameters->has($id) ? $this->parameters->get($id) : []); |
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$instance = new ReflectionClass($className); |
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if (false === $instance->hasMethod('__construct')) { |
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return $instance->newInstance(); |
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} |
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$parameters = (new ReflectionMethod($className, '__construct'))->getParameters(); |
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$this->parameters->set($id, array_map(function (ReflectionParameter $parameter) use ($id) { |
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return $this->makeParameter($id, $parameter); |
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}, $parameters)); |
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return $instance->newInstanceArgs($this->parameters->get($id)); |
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} |
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private function makeParameter(string $id, ReflectionParameter $parameter) |
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{ |
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$type = null === $parameter->getType() ? '' : $parameter->getType()->getName(); |
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if (array_key_exists($parameter->getName(), $this->parameters->get($id))) { |
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return $this->getExistingParameter($id, $parameter, $type); |
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} |
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if ($this->container->has($type)) { |
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return $this->container->get($type); |
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} |
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if ($parameter->isDefaultValueAvailable()) { |
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return $parameter->getDefaultValue(); |
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} |
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if ('' === $type) { |
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throw AutowiringException::withNoType($id, $parameter->getName()); |
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} |
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return $this->getAnInstanceOf($type, $type); |
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} |
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private function getExistingParameter(string $id, ReflectionParameter $parameter, $type) |
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{ |
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if (is_array($this->parameters->get($id)[$parameter->getName()]) |
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|| $this->parameters->get($id)[$parameter->getName()] instanceof $type) { |
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return $this->parameters->get($id)[$parameter->getName()]; |
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} |
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if ($this->container->has($this->parameters->get($id)[$parameter->getName()])) { |
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return $this->container->get($this->parameters->get($id)[$parameter->getName()]); |
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} |
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return $this->parameters->get($id)[$parameter->getName()]; |
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} |
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private function setConfiguredInstance(string $id): void |
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{ |
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if (is_callable($this->config->get($id))) { |
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$callable = $this->config->get($id); |
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$this->instances->set($id, $callable($this->container)); |
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return; |
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} |
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if (is_string($this->config->get($id)) && class_exists($this->config->get($id))) { |
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$this->instances->set($id, $this->getAnInstanceOf($id, $this->config->get($id))); |
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return; |
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} |
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if (is_string($this->config->get($id)) && $this->container->has($this->config->get($id))) { |
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$this->instances->set($id, $this->container->get($this->config->get($id))); |
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return; |
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} |
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} |
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} |
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antidot-framework /
container
