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<?php |
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namespace Larapie\DataTransferObject\Resolvers; |
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use phpDocumentor\Reflection\Types\Compound; |
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use ReflectionProperty; |
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use Larapie\DataTransferObject\PropertyType; |
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class TypeResolver |
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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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* TypeResolver constructor. |
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* @param ReflectionProperty $reflection |
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*/ |
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public function __construct(ReflectionProperty $reflection) |
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{ |
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$this->reflection = $reflection; |
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} |
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/** |
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* @return PropertyType |
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*/ |
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public function resolve(): PropertyType |
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{ |
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$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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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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return $type; |
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} |
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$varDocComment = end($matches); |
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$types = $this->resolveTypesFromVarDoc($varDocComment); |
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$type->setTypes($types); |
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$type->setArrayTypes(str_replace('[]', '', $types)); |
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$type->setHasType(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 resolveTypesFromVarDoc(string $varDocComment) |
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{ |
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if ($this->reflection->getDeclaringClass()->isAnonymous()) { |
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$filename = $this->reflection->getDeclaringClass()->getFileName(); |
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$contextFactory = new \phpDocumentor\Reflection\Types\ContextFactory(); |
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$context = $contextFactory->createForNamespace($this->getNamespaceFromFilename($filename), file_get_contents($filename)); |
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} else { |
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$contextFactory = new \phpDocumentor\Reflection\Types\ContextFactory(); |
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$context = $contextFactory->createFromReflector($this->reflection); |
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} |
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$resolver = new \phpDocumentor\Reflection\TypeResolver(); |
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$resolvedTypes = $resolver->resolve($varDocComment, $context); |
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$types = []; |
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if ($resolvedTypes instanceof Compound) { |
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foreach ($resolvedTypes as $type) { |
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$types[] = $type->__toString(); |
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} |
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} else { |
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$types = [$resolvedTypes->__toString()]; |
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} |
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return $types; |
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} |
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protected function getClassFromFilename($fileName) |
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{ |
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$directoriesAndFilename = explode('/', $fileName); |
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$fileName = array_pop($directoriesAndFilename); |
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$nameAndExtension = explode('.', $fileName); |
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$className = array_shift($nameAndExtension); |
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return $className; |
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} |
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protected function getNamespaceFromFilename($filename) |
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{ |
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$lines = file($filename); |
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$namespace = preg_grep('/^namespace /', $lines); |
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$namespaceLine = array_shift($namespace); |
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$match = array(); |
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preg_match('/^namespace (.*);$/', $namespaceLine, $match); |
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$fullNamespace = array_pop($match); |
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return $fullNamespace; |
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} |
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protected function getFqnFromFileName($fileName) |
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{ |
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return $this->getNamespaceFromFilename($fileName) . '\\' . $this->getClassFromFilename($fileName); |
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} |
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} |
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larapie /
data-transfer-object
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