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<?php |
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declare(strict_types=1); |
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namespace Ray\Di; |
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final class Bind |
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{ |
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/** |
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* @var Container |
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*/ |
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private $container; |
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/** |
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* @var string |
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*/ |
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private $interface; |
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/** |
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* @var string |
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*/ |
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private $name = Name::ANY; |
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/** |
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* @var DependencyInterface |
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*/ |
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private $bound; |
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/** |
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* @var BindValidator |
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*/ |
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private $validate; |
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/** |
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* @var null|Untarget |
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*/ |
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private $untarget; |
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/** |
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* @param Container $container dependency container |
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* @param string $interface interface or concrete class name |
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*/ |
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public function __construct(Container $container, string $interface) |
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{ |
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$this->container = $container; |
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$this->interface = $interface; |
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$this->validate = new BindValidator; |
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$bindUntarget = class_exists($interface) && ! (new \ReflectionClass($interface))->isAbstract() && ! $this->isRegistered($interface); |
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if ($bindUntarget) { |
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$this->untarget = new Untarget($interface); |
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return; |
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} |
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$this->validate->constructor($interface); |
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} |
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public function __destruct() |
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{ |
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if ($this->untarget) { |
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($this->untarget)($this->container, $this); |
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$this->untarget = null; |
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} |
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} |
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public function __toString() |
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{ |
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return $this->interface . '-' . $this->name; |
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} |
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/** |
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* Set dependency name |
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*/ |
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public function annotatedWith(string $name) : self |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* Bind to class |
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*/ |
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public function to(string $class) : self |
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{ |
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$this->untarget = null; |
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$refClass = $this->validate->to($this->interface, $class); |
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$this->bound = (new DependencyFactory)->newAnnotatedDependency($refClass); |
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$this->container->add($this); |
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return $this; |
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} |
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/** |
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* Bind to constructor |
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* |
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* @param string $class class name |
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* @param string | array $name "varName=bindName,..." or [[$varName => $bindName],[$varName => $bindName]...] |
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* @param InjectionPoints $injectionPoints injection points |
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* @param string $postConstruct method name of initialization after all dependencies are injected* |
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*/ |
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public function toConstructor(string $class, $name, InjectionPoints $injectionPoints = null, string $postConstruct = null) : self |
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{ |
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if (\is_array($name)) { |
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$name = $this->getStringName($name); |
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} |
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$this->untarget = null; |
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$postConstructRef = $postConstruct ? (new NewReflectionMethod)($class, $postConstruct) : null; |
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$this->bound = (new DependencyFactory)->newToConstructor((new NewReflectionClass)($class), $name, $injectionPoints, $postConstructRef); |
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$this->container->add($this); |
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return $this; |
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} |
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/** |
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* Bind to provider |
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*/ |
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public function toProvider(string $provider, string $context = '') : self |
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{ |
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$this->untarget = null; |
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$refClass = $this->validate->toProvider($provider); |
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$this->bound = (new DependencyFactory)->newProvider($refClass, $context); |
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$this->container->add($this); |
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return $this; |
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} |
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/** |
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* Bind to instance |
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*/ |
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public function toInstance($instance) : self |
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{ |
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$this->untarget = null; |
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$this->bound = new Instance($instance); |
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$this->container->add($this); |
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return $this; |
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} |
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/** |
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* Set scope |
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*/ |
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public function in(string $scope) : self |
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{ |
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if ($this->bound instanceof Dependency || $this->bound instanceof DependencyProvider) { |
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$this->bound->setScope($scope); |
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} |
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if ($this->untarget) { |
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$this->untarget->setScope($scope); |
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} |
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return $this; |
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} |
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public function getBound() : DependencyInterface |
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{ |
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return $this->bound; |
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} |
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public function setBound(DependencyInterface $bound) |
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{ |
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$this->bound = $bound; |
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} |
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private function isRegistered(string $interface) : bool |
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{ |
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return isset($this->container->getContainer()[$interface . '-' . Name::ANY]); |
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} |
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/** |
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* Return string |
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* |
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* input: [['varA' => 'nameA'], ['varB' => 'nameB']] |
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* output: "varA=nameA,varB=nameB" |
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*/ |
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private function getStringName(array $name) : string |
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{ |
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$names = array_reduce(array_keys($name), function (array $carry, string $key) use ($name) : array { |
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$carry[] = $key . '=' . $name[$key]; |
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return $carry; |
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}, []); |
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return implode(',', $names); |
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} |
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} |
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ray-di /
Ray.Di
