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<?php |
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/** |
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* This file is part of the Stack package. |
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* |
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* (c) Andrzej Kostrzewa <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Stack\DI\Definition\Source; |
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use Stack\DI\Definition\ObjectDefinition; |
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/** |
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* Reads DI class definitions using reflection. |
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* |
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* @author Andrzej Kostrzewa <[email protected]> |
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*/ |
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class Annotation extends AbstractDefinitionSource |
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{ |
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/** |
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* @var PhpDocReader |
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*/ |
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private $phpDocReader; |
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/** |
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* Returns the DI definition for the entry name. |
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* |
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* @param $name |
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* |
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* @return mixed|null|object |
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*/ |
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public function get($name) |
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{ |
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if ($this->has($name)) { |
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return $this->definitions[$name]; |
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} |
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if (!class_exists($name) && !interface_exists($name)) { |
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return; |
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} |
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$class = new \ReflectionClass($name); |
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$object = new ObjectDefinition($name); |
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$this->readProperties($class, $object); |
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$object = $this->setMethods($class, $object); |
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$this->set($name, $object); |
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return $object; |
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} |
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/** |
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* Get instance of PhpDocReader. |
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* |
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* @return PhpDocReader |
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*/ |
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private function getPhpDocReader() |
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{ |
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if ($this->phpDocReader === null) { |
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$this->phpDocReader = new PhpDocReader(); |
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} |
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return $this->phpDocReader; |
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} |
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/** |
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* Browse the class properties looking for annotated properties. |
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* |
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* @param \ReflectionClass $class |
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* @param ObjectDefinition $object |
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*/ |
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private function readProperties(\ReflectionClass $class, ObjectDefinition $object) |
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{ |
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$namespace = $class->getNamespaceName(); |
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foreach ($class->getProperties() as $property) { |
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if ($property->isStatic()) { |
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continue; |
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} |
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$this->setProperty($property, $object, $namespace); |
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} |
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while ($class = $class->getParentClass()) { |
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foreach ($class->getProperties(\ReflectionProperty::IS_PRIVATE) as $property) { |
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if ($property->isStatic()) { |
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continue; |
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} |
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$this->setProperty($property, $object, $namespace); |
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} |
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} |
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} |
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/** |
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* Set Class property instance. |
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* |
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* @param \ReflectionProperty $property |
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* @param ObjectDefinition $objectDefinition |
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* @param $namespace |
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* |
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* @throws \Stack\DI\Exception\AnnotationException |
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*/ |
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private function setProperty(\ReflectionProperty $property, ObjectDefinition $objectDefinition, $namespace) |
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{ |
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$this->getPhpDocReader()->setNamespace($namespace); |
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$propertyClass = $this->getPhpDocReader()->getPropertyClass($property); |
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$propertyClassObject = $propertyClass ? $propertyClass->getNewInstance() : null; |
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$objectDefinition->setPropertyInjection($property, $propertyClassObject); |
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if ($propertyClass !== null) { |
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$this->set($propertyClass->getClassName(), $propertyClassObject); |
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} |
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} |
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/** |
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* Browse the object's methods looking for annotated methods. |
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* |
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* @param \ReflectionClass $class |
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* @param ObjectDefinition $objectDefinition |
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* |
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* @return object|\ReflectionClass |
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*/ |
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private function setMethods(\ReflectionClass $class, ObjectDefinition $objectDefinition) |
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{ |
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$isConstructor = false; |
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$methodName = []; |
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foreach ($class->getMethods(\ReflectionMethod::IS_PUBLIC) as $method) { |
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if ($method->isStatic()) { |
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continue; |
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} |
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$methodParameters = $this->getMethodParameters($method); |
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if ($methodParameters === null) { |
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continue; |
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} |
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$isMethod = true; |
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if ($method->isConstructor()) { |
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$objectDefinition->setConstructorInjection($methodParameters); |
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$isConstructor = true; |
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$isMethod = false; |
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} |
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if ($isMethod) { |
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$objectDefinition->addMethodInjection($method->getName(), $methodParameters); |
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$methodName[] = $method->getName(); |
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} |
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} |
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$object = $objectDefinition->getNewInstance($isConstructor); |
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foreach ($methodName as $name) { |
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$methodReflection = new \ReflectionMethod($object, $name); |
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$args = $objectDefinition->getMethodParameters($name); |
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$methodReflection->invokeArgs($object, $args); |
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} |
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return $object; |
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} |
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/** |
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* Get parameters for method. |
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* |
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* @param \ReflectionMethod $method |
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* |
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* @return array|null |
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*/ |
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private function getMethodParameters(\ReflectionMethod $method) |
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{ |
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$annotationParameters = $this->getPhpDocReader()->getMethodParameters($method); |
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if ($annotationParameters !== null) { |
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$methodParameters = []; |
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foreach ($annotationParameters as $parameter) { |
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if ($this->has($parameter)) { |
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$parameter = $this->get($parameter); |
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} |
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$methodParameters[] = $parameter; |
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} |
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return $methodParameters; |
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} |
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} |
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} |
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devstackphp /
di
