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<?php |
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namespace Prophecy\Doubler\ClassPatch; |
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use Prophecy\Doubler\Generator\Node\ClassNode; |
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use Prophecy\Exception\Doubler\ClassCreatorException; |
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class ThrowablePatch implements ClassPatchInterface |
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{ |
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/** |
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* Checks if patch supports specific class node. |
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* |
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* @param ClassNode $node |
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* |
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* @return bool |
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*/ |
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public function supports(ClassNode $node) |
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{ |
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return $this->implementsAThrowableInterface($node) && $this->doesNotExtendAThrowableClass($node); |
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} |
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/** |
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* @param ClassNode $node |
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* @return bool |
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*/ |
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private function implementsAThrowableInterface(ClassNode $node) |
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{ |
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return $this->containsThrowable($node->getInterfaces()); |
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} |
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/** |
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* @param ClassNode $node |
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* @return bool |
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*/ |
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private function doesNotExtendAThrowableClass(ClassNode $node) |
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{ |
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return !$this->isThrowable($node->getParentClass()); |
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} |
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/** |
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* Does a list of types contain any throwables |
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* |
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* @param array $types |
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* @return boolean |
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*/ |
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public function containsThrowable($types) |
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{ |
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foreach ($types as $type) { |
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if ($this->isThrowable($type)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param string $type |
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* @return bool |
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*/ |
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private function isThrowable($type) |
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{ |
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return is_a($type, 'Throwable', true); |
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} |
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/** |
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* Applies patch to the specific class node. |
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* |
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* @param ClassNode $node |
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* |
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* @return void |
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*/ |
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public function apply(ClassNode $node) |
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{ |
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$this->checkItCanBeDoubled($node); |
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$this->setParentClassToException($node); |
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} |
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/** |
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* @param ClassNode $node |
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*/ |
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private function checkItCanBeDoubled(ClassNode $node) |
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{ |
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$className = $node->getParentClass(); |
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if ($className != 'stdClass') { |
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throw new ClassCreatorException( |
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sprintf( |
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'Cannot double concrete class %s as well as implement Traversable', |
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$className |
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), |
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$node |
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); |
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} |
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} |
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/** |
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* @param ClassNode $node |
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*/ |
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private function setParentClassToException(ClassNode $node) |
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{ |
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$node->setParentClass('Exception'); |
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$node->removeMethod('getMessage'); |
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$node->removeMethod('getCode'); |
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$node->removeMethod('getFile'); |
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$node->removeMethod('getLine'); |
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$node->removeMethod('getTrace'); |
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$node->removeMethod('getPrevious'); |
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$node->removeMethod('getNext'); |
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$node->removeMethod('getTraceAsString'); |
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} |
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/** |
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* Returns patch priority, which determines when patch will be applied. |
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* |
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* @return int Priority number (higher - earlier) |
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*/ |
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public function getPriority() |
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{ |
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return 100; |
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} |
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} |
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phpspec /
prophecy
