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<?php |
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/* |
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* Go! AOP framework |
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* |
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* @copyright Copyright 2011, Lisachenko Alexander <[email protected]> |
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* |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Go\Aop\Framework; |
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use Go\Aop\Intercept\ConstructorInvocation; |
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use Go\Aop\Intercept\Interceptor; |
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use ReflectionClass; |
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use ReflectionMethod; |
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/** |
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* Reflection constructor invocation implementation |
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*/ |
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class ReflectionConstructorInvocation extends AbstractInvocation implements ConstructorInvocation |
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{ |
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/** |
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* Reflection class |
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* |
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* @var ReflectionClass |
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*/ |
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protected $class = null; |
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/** |
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* Instance of created class, can be used for Around or After types of advices |
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* |
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* @var object|null |
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*/ |
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protected $instance = null; |
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/** |
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* Instance of reflection constructor for class |
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* |
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* @var null|ReflectionMethod |
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*/ |
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private $constructor = null; |
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/** |
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* Number of constructor arguments |
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* |
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* @var int |
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*/ |
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private $constructorArguments = 0; |
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/** |
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* Constructor for constructor invocation :) |
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* |
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* @param string $className Class name |
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* @param $advices array List of advices for this invocation |
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* @param string $type |
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*/ |
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public function __construct($className, $type, array $advices) |
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{ |
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$this->class = new ReflectionClass($className); |
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$this->constructor = $constructor = $this->class->getConstructor(); |
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// Give an access to call protected constructor |
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if ($constructor && $constructor->isProtected()) { |
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$constructor->setAccessible(true); |
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} |
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if ($constructor) { |
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$this->constructorArguments = $constructor->getNumberOfParameters(); |
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} |
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parent::__construct($advices); |
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} |
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/** |
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* Proceed to the next interceptor in the Chain |
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* |
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* Typically this method is called inside previous closure, as instance of Joinpoint is passed to callback |
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* Do not call this method directly, only inside callback closures. |
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* |
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* @return mixed |
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*/ |
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final public function proceed() |
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{ |
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if (isset($this->advices[$this->current])) { |
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/** @var $currentInterceptor Interceptor */ |
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$currentInterceptor = $this->advices[$this->current]; |
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$this->current++; |
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return $currentInterceptor->invoke($this); |
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} |
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if (!$this->constructorArguments) { |
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$this->instance = $this->class->newInstance(); |
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} else { |
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$this->instance = $this->class->newInstanceArgs($this->arguments); |
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} |
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return $this->instance; |
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} |
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/** |
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* Gets the constructor being called. |
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* |
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* @return ReflectionMethod|null the constructor being called or null if it is absent. |
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*/ |
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public function getConstructor() |
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{ |
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return $this->constructor; |
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} |
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/** |
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* Returns the object that holds the current joinpoint's static |
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* part. |
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* |
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* @return object|null the object (can be null if the accessible object is |
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* static). |
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*/ |
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public function getThis() |
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{ |
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return $this->instance; |
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} |
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/** |
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* Returns the static part of this joinpoint. |
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* |
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* @return null|ReflectionMethod |
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*/ |
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public function getStaticPart() |
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{ |
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return $this->getConstructor(); |
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} |
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/** |
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* Invokes current constructor invocation with all interceptors |
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* |
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* @return mixed |
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*/ |
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final public function __invoke(array $arguments = []) |
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{ |
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$this->current = 0; |
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$this->arguments = $arguments; |
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return $this->proceed(); |
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} |
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/** |
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* Returns a friendly description of current joinpoint |
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* |
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* @return string |
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*/ |
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final public function __toString() |
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{ |
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return sprintf( |
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"initialization(%s)", |
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$this->class->name |
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); |
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} |
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} |
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goaop /
framework
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.