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<?php |
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namespace Wandu\DI; |
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use Closure; |
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use Doctrine\Common\Annotations\Reader; |
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use Interop\Container\ContainerInterface as InteropContainerInterface; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionFunctionAbstract; |
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use ReflectionObject; |
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use ReflectionProperty; |
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use Wandu\DI\Annotations\AutoWired; |
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use Wandu\DI\Containee\BindContainee; |
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use Wandu\DI\Containee\ClosureContainee; |
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use Wandu\DI\Containee\InstanceContainee; |
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use Wandu\DI\Exception\CannotChangeException; |
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use Wandu\DI\Exception\CannotFindParameterException; |
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use Wandu\DI\Exception\CannotResolveException; |
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use Wandu\DI\Exception\NullReferenceException; |
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use Wandu\Reflection\ReflectionCallable; |
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class Container implements ContainerInterface |
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{ |
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/** @var \Wandu\DI\Containee\ContaineeAbstract[] */ |
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protected $containees = []; |
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/** @var \Wandu\DI\ServiceProviderInterface[] */ |
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protected $providers = []; |
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/** @var array */ |
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protected $extenders = []; |
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/** @var array */ |
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protected $indexOfAliases = []; |
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/** @var bool */ |
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protected $isBooted = false; |
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public function __construct() |
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{ |
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$this->instance(Container::class, $this)->freeze(); |
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$this->instance(ContainerInterface::class, $this)->freeze(); |
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$this->instance(InteropContainerInterface::class, $this)->freeze(); |
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$this->instance('container', $this)->freeze(); |
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} |
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public function __clone() |
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{ |
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// direct remove instance because of frozen |
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unset( |
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$this->containees[Container::class], |
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$this->containees[ContainerInterface::class], |
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$this->containees[InteropContainerInterface::class], |
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$this->containees['container'] |
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); |
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$this->instance(Container::class, $this)->freeze(); |
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$this->instance(ContainerInterface::class, $this)->freeze(); |
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$this->instance(InteropContainerInterface::class, $this)->freeze(); |
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$this->instance('container', $this)->freeze(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __call($name, array $arguments) |
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{ |
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return $this->call($this->get($name), $arguments); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetExists($name) |
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{ |
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return $this->has($name) && $this->get($name) !== null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetGet($name) |
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{ |
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return $this->get($name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetSet($name, $value) |
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{ |
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$this->set($name, $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetUnset($name) |
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{ |
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$this->destroy($name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($name) |
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{ |
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return array_key_exists($name, $this->containees) || class_exists($name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function destroy(...$names) |
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{ |
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foreach ($names as $name) { |
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if (array_key_exists($name, $this->containees)) { |
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if ($this->containees[$name]->isFrozen()) { |
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throw new CannotChangeException($name); |
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} |
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} |
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unset($this->containees[$name]); |
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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 containee($name) |
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{ |
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if (!array_key_exists($name, $this->containees)) { |
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if (class_exists($name)) { |
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$this->bind($name); |
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} else { |
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throw new NullReferenceException($name); |
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} |
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} |
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return $this->containees[$name]; |
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} |
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/** |
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* @param string $name |
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* @return mixed |
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*/ |
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public function getRawItem($name) |
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{ |
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return $this->containee($name)->get($this); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($name) |
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{ |
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$instance = $this->getRawItem($name); |
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if ($this->containees[$name]->isWireEnabled()) { |
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$this->applyWire($instance); |
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} |
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foreach ($this->getExtenders($name) as $extender) { |
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$instance = $extender->__invoke($instance); |
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} |
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return $instance; |
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} |
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/** |
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* @param string $name |
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* @return \Closure[] |
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*/ |
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protected function getExtenders($name) |
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{ |
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$extenders = []; |
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if (isset($this->extenders[$name])) { |
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$extenders = array_merge($extenders, $this->extenders[$name]); |
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} |
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// extend propagation |
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if (isset($this->indexOfAliases[$name])) { |
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foreach ($this->indexOfAliases[$name] as $aliasName) { |
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$extenders = array_merge($extenders, $this->getExtenders($aliasName)); |
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} |
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} |
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return $extenders; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($name, $value) |
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{ |
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if (!($value instanceof ContaineeInterface)) { |
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$value = new InstanceContainee($value); |
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} |
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return $this->addContainee($name, $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function instance($name, $value) |
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{ |
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return $this->addContainee($name, new InstanceContainee($value)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function closure($name, callable $handler) |
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{ |
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return $this->addContainee($name, new ClosureContainee($handler)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function alias($name, $origin) |
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{ |
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if (!array_key_exists($origin, $this->indexOfAliases)) { |
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$this->indexOfAliases[$origin] = []; |
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} |
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$this->indexOfAliases[$origin][] = $name; |
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return $this->closure($name, function (ContainerInterface $container) use ($origin) { |
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return $container->get($origin); // proxy |
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})->factory(true); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function bind($name, $class = null) |
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{ |
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if (isset($class)) { |
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$this->alias($class, $name); |
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return $this->addContainee($name, new BindContainee($class)); |
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} |
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return $this->addContainee($name, new BindContainee($name)); |
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} |
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/** |
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* @param string $name |
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* @param \Wandu\DI\ContaineeInterface $containee |
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* @return \Wandu\DI\ContaineeInterface |
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*/ |
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public function addContainee($name, ContaineeInterface $containee) |
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{ |
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$this->destroy($name); |
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return $this->containees[$name] = $containee; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function extend($name, Closure $handler) |
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{ |
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if (!array_key_exists($name, $this->extenders)) { |
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$this->extenders[$name] = []; |
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} |
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$this->extenders[$name][] = $handler; |
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} |
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/** |
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* {@inheritdoc} |
262
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*/ |
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public function register(ServiceProviderInterface $provider) |
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{ |
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$provider->register($this); |
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$this->providers[] = $provider; |
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} |
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/** |
270
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* {@inheritdoc} |
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*/ |
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public function boot() |
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{ |
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1 |
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if (!$this->isBooted) { |
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1 |
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foreach ($this->providers as $provider) { |
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$provider->boot($this); |
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} |
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$this->isBooted = true; |
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} |
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return $this; |
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} |
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/** |
284
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* {@inheritdoc} |
285
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*/ |
286
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public function freeze($name) |
287
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{ |
288
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$this->containees[$name]->freeze(); |
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} |
290
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291
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/** |
292
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* {@inheritdoc} |
293
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*/ |
294
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5 |
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public function with(array $arguments = []) |
295
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{ |
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$new = clone $this; |
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5 |
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foreach ($arguments as $name => $argument) { |
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2 |
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if ($argument instanceof ContaineeInterface) { |
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$new->addContainee($name, $argument); |
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} else { |
301
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$new->instance($name, $argument); |
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} |
303
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5 |
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} |
304
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5 |
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return $new; |
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} |
306
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307
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/** |
308
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* {@inheritdoc} |
309
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*/ |
310
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17 |
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public function create($class, array $arguments = []) |
311
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{ |
312
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17 |
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$reflectionClass = new ReflectionClass($class); |
313
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17 |
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$reflectionMethod = $reflectionClass->getConstructor(); |
314
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17 |
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if (!$reflectionMethod) { |
315
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13 |
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return $reflectionClass->newInstance(); |
316
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} |
317
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try { |
318
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7 |
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$parameters = $this->getParameters($reflectionMethod, $arguments); |
319
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7 |
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} catch (CannotFindParameterException $e) { |
320
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5 |
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throw new CannotResolveException($class, $e->getParameter()); |
321
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} |
322
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6 |
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return $reflectionClass->newInstanceArgs($parameters); |
323
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} |
324
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325
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/** |
326
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* {@inheritdoc} |
327
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*/ |
328
|
8 |
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public function call(callable $callee, array $arguments = []) |
329
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{ |
330
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try { |
331
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8 |
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return call_user_func_array( |
332
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8 |
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$callee, |
333
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8 |
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$this->getParameters(new ReflectionCallable($callee), $arguments) |
334
|
8 |
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); |
335
|
4 |
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} catch (CannotFindParameterException $e) { |
336
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4 |
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throw new CannotResolveException(null, $e->getParameter()); |
337
|
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} |
338
|
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} |
339
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|
340
|
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/** |
341
|
|
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* {@inheritdoc} |
342
|
|
|
*/ |
343
|
2 |
|
public function inject($object, array $properties = []) |
344
|
|
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{ |
345
|
2 |
|
$reflectionObject = new ReflectionObject($object); |
346
|
2 |
|
foreach ($properties as $property => $value) { |
347
|
2 |
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$this->injectProperty($reflectionObject->getProperty($property), $object, $value); |
348
|
2 |
|
} |
349
|
2 |
|
} |
350
|
|
|
|
351
|
|
|
/** |
352
|
|
|
* @param \ReflectionProperty $property |
353
|
|
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* @param object $object |
354
|
|
|
* @param mixed $target |
355
|
|
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*/ |
356
|
2 |
|
private function injectProperty(ReflectionProperty $property, $object, $target) |
357
|
|
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{ |
358
|
2 |
|
$property->setAccessible(true); |
359
|
2 |
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$property->setValue($object, $target); |
360
|
2 |
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} |
361
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|
362
|
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/** |
363
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* @param \ReflectionFunctionAbstract $reflectionFunction |
364
|
|
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* @param array $arguments |
365
|
|
|
* @return array |
366
|
|
|
*/ |
367
|
13 |
|
protected function getParameters(ReflectionFunctionAbstract $reflectionFunction, array $arguments = []) |
368
|
|
|
{ |
369
|
13 |
|
$parametersToReturn = static::getSeqArray($arguments); |
370
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|
371
|
13 |
|
$reflectionParameters = array_slice($reflectionFunction->getParameters(), count($parametersToReturn)); |
372
|
13 |
|
if (!count($reflectionParameters)) { |
373
|
6 |
|
return $parametersToReturn; |
374
|
|
|
} |
375
|
|
|
|
376
|
|
|
try { |
377
|
|
|
/* @var \ReflectionParameter $param */ |
378
|
10 |
|
foreach ($reflectionParameters as $param) { |
379
|
|
|
/* |
380
|
|
|
* #1. search in arguments by parameter name |
381
|
|
|
* #2. if parameter has type hint |
382
|
|
|
* #2.1. search in container by class name |
383
|
|
|
* #3. if has default value, insert default value. |
384
|
|
|
* #4. exception |
385
|
|
|
*/ |
386
|
10 |
|
$paramName = $param->getName(); |
|
|
|
|
387
|
10 |
|
if (array_key_exists($paramName, $arguments)) { // #1. |
388
|
4 |
|
$parametersToReturn[] = $arguments[$paramName]; |
389
|
4 |
|
continue; |
390
|
|
|
} |
391
|
10 |
|
$paramClass = $param->getClass(); |
392
|
10 |
|
if ($paramClass) { // #2. |
393
|
8 |
|
$paramClassName = $paramClass->getName(); |
|
|
|
|
394
|
8 |
|
if ($this->has($paramClassName)) { // #2.1. |
395
|
8 |
|
$parametersToReturn[] = $this->get($paramClassName); |
396
|
7 |
|
continue; |
397
|
|
|
} |
398
|
6 |
|
} |
399
|
8 |
|
if ($param->isDefaultValueAvailable()) { // #3. |
400
|
4 |
|
$parametersToReturn[] = $param->getDefaultValue(); |
401
|
4 |
|
continue; |
402
|
|
|
} |
403
|
7 |
|
throw new CannotFindParameterException($paramName); // #4. |
404
|
9 |
|
} |
405
|
10 |
|
} catch (ReflectionException $e) { |
406
|
1 |
|
throw new CannotFindParameterException($paramName); |
407
|
|
|
} |
408
|
9 |
|
return $parametersToReturn; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* @param array $array |
413
|
|
|
* @return array |
414
|
|
|
*/ |
415
|
13 |
|
protected static function getSeqArray(array $array) |
416
|
|
|
{ |
417
|
13 |
|
$arrayToReturn = []; |
418
|
13 |
|
foreach ($array as $key => $item) { |
419
|
5 |
|
if (is_int($key)) { |
420
|
5 |
|
$arrayToReturn[] = $item; |
421
|
5 |
|
} |
422
|
13 |
|
} |
423
|
13 |
|
return $arrayToReturn; |
424
|
|
|
} |
425
|
|
|
|
426
|
1 |
|
protected function applyWire($instance) |
427
|
|
|
{ |
428
|
|
|
/* @var \Doctrine\Common\Annotations\Reader $reader */ |
429
|
1 |
|
$reader = $this->get(Reader::class); |
430
|
1 |
|
class_exists(AutoWired::class); |
431
|
1 |
|
$reflObject = new ReflectionObject($instance); |
432
|
1 |
|
foreach ($reflObject->getProperties() as $reflProperty) { |
433
|
|
|
/* @var \Wandu\DI\Annotations\AutoWired $autoWired */ |
434
|
1 |
|
if ($autoWired = $reader->getPropertyAnnotation($reflProperty, AutoWired::class)) { |
|
|
|
|
435
|
1 |
|
$this->inject($instance, [ |
436
|
1 |
|
$reflProperty->getName() => $this->get($autoWired->name), |
437
|
1 |
|
]); |
438
|
1 |
|
} |
439
|
1 |
|
} |
440
|
1 |
|
} |
441
|
|
|
} |
442
|
|
|
|
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: