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<?php |
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namespace MS\PHPMD\Rule\Symfony2; |
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use PDepend\Source\AST\ASTMethod; |
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use PHPMD\AbstractNode; |
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use PHPMD\Node\ClassNode; |
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use PHPMD\Node\MethodNode; |
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/** |
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* Class EntitySimpleGetterSetter |
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* |
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* The entities have to contain only simple getter and setter. |
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* |
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* @package MS\PHPMD\Rule\Symfony2 |
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*/ |
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class EntitySimpleGetterSetter extends AbstractEntityRule |
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{ |
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/** |
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* @var array |
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*/ |
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private $allowedPrefixes; |
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/** |
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* @var array |
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*/ |
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private $whitelist; |
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/** |
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* @param AbstractNode|ClassNode $node |
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*/ |
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public function apply(AbstractNode $node) |
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{ |
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if (false === $this->isEntity($node)) { |
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return; |
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} |
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$prefixes = $this->getStringProperty('prefixes'); |
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$this->allowedPrefixes = explode($this->getStringProperty('delimiter'), $prefixes); |
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$this->whitelist = explode($this->getStringProperty('delimiter'), $this->getStringProperty('whitelist')); |
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/** @var MethodNode $method */ |
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foreach ($node->getMethods() as $method) { |
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if (true === $this->isMethodNameOnWhitelist($method)) { |
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continue; |
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} |
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if (true === $this->hasCorrectPrefix($method) && true === $this->isSimpleMethod($method)) { |
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continue; |
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} |
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$this->addViolation($method, [$prefixes]); |
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} |
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} |
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/** |
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* @param MethodNode $method |
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* |
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* @return bool |
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*/ |
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private function isMethodNameOnWhitelist(MethodNode $method) |
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{ |
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return in_array($method->getImage(), $this->whitelist); |
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} |
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/** |
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* @param MethodNode|ASTMethod $node |
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* |
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* @return bool |
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*/ |
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private function hasCorrectPrefix(MethodNode $node) |
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{ |
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foreach ($this->allowedPrefixes as $prefix) { |
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if ($prefix === substr($node->getImage(), 0, strlen($prefix))) { |
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return true; |
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} |
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1 |
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} |
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return false; |
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} |
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/** |
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* @param MethodNode|ASTMethod $node |
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* |
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* @return bool |
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*/ |
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private function isSimpleMethod(MethodNode $node) |
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{ |
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$countScope = count($node->findChildrenOfType('ScopeStatement')); |
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if (0 !== $countScope) { |
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return false; |
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} |
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$countReturn = count($node->findChildrenOfType('ReturnStatement')); |
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$countThis = $this->countThis($node); |
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if (1 < $countReturn) { |
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return false; |
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} |
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if (($countReturn + 1) < $countThis) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @param MethodNode $node |
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* |
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* @return int |
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*/ |
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private function countThis(MethodNode $node) |
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{ |
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$count = 0; |
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$variables = $node->findChildrenOfType('Variable'); |
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foreach ($variables as $variable) { |
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if ($variable->getImage() === '$this') { |
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$count++; |
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} |
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} |
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return $count; |
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} |
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} |
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mi-schi /
phpmd-symfony2
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.