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<?php |
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namespace Larapie\DataTransferObject\Resolvers; |
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use Larapie\DataTransferObject\Annotations\Inherit; |
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use Larapie\DataTransferObject\Exceptions\ConstraintInheritanceException; |
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use Larapie\DataTransferObject\Property\PropertyType; |
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use ReflectionProperty; |
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use Throwable; |
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class PropertyTypeResolver |
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{ |
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/** |
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* @var ReflectionProperty |
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*/ |
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protected $reflection; |
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/** |
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* @var array |
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*/ |
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protected $annotations; |
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/** |
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* TypeResolver constructor. |
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* @param ReflectionProperty $reflection |
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* @param array $annotations |
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*/ |
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public final function __construct(ReflectionProperty $reflection, array $annotations) |
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{ |
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$this->reflection = $reflection; |
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$this->annotations = $annotations; |
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} |
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/** |
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* @return PropertyType |
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*/ |
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public function resolve(): PropertyType |
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{ |
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$type = new PropertyType(); |
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$docComment = $this->reflection->getDocComment(); |
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if (!$docComment) { |
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$type->setNullable(true); |
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if (($parentType = $this->resolvePossibleParentType()) !== null) |
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return $parentType; |
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return $type; |
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} |
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preg_match('/\@var ((?:(?:[\w|\\\\])+(?:\[\])?)+)/', $docComment, $matches); |
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if (!count($matches)) { |
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$type->setNullable(true); |
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if (($parentType = $this->resolvePossibleParentType()) !== null) |
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return $parentType; |
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return $type; |
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} |
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$varDocComment = end($matches); |
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$resolver = new VarTypeResolver($this->reflection); |
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$types = $resolver->resolve($varDocComment); |
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$type->setTypes($types); |
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$type->setArrayTypes(str_replace('[]', '', $types)); |
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$type->setInitialized(true); |
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$type->setNullable(strpos($varDocComment, 'null') !== false); |
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return $type; |
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} |
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protected function resolvePossibleParentType() |
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{ |
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foreach ($this->annotations as $annotation) { |
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if ($annotation instanceof Inherit) { |
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$type = $this->getParentType(); |
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if ($type->isInitialized()) |
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return $type; |
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} |
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} |
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return null; |
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} |
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protected function getParentType(): PropertyType |
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{ |
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try { |
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if ($parentClass = $this->reflection->getDeclaringClass()->getParentClass()) { |
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$parentProperty = $parentClass->getProperty($this->reflection->getName()); |
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} |
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} catch (Throwable $exception) { |
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throw new ConstraintInheritanceException("There is no parent property to inherit from"); |
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} |
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return (new static($parentProperty, (new AnnotationResolver($parentProperty))->resolve()))->resolve(); |
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} |
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} |
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larapie /
data-transfer-object
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