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<?php |
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namespace Soukicz\ClassMetadataParser; |
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use Doctrine\Common\Annotations\PhpParser; |
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use Doctrine\Common\Annotations\Reader; |
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use Soukicz\ClassMetadataParser\Annotation\CollectionDefinition; |
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use Soukicz\ClassMetadataParser\Model\ClassMetadata; |
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use Soukicz\ClassMetadataParser\Model\MethodMetadata; |
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use Soukicz\ClassMetadataParser\Model\ReturnMetadata; |
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class ClassMetadataParser |
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{ |
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/** |
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* @var Reader |
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*/ |
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private $annotationReader; |
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/** |
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* @var PhpParser |
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*/ |
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private $phpParser; |
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public function __construct(Reader $annotationReader) |
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{ |
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$this->annotationReader = $annotationReader; |
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$this->phpParser = new PhpParser(); |
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} |
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/** |
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* @var ClassMetadata[] |
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*/ |
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private $cache = []; |
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public function getClass(string $className): ClassMetadata |
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{ |
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if (!isset($this->cache[$className])) { |
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$reflectionClass = new \ReflectionClass($className); |
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$methods = []; |
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$imports = $this->phpParser->parseClass($reflectionClass); |
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foreach ($reflectionClass->getMethods(\ReflectionMethod::IS_PUBLIC) as $method) { |
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$mapping = $this->annotationReader->getMethodAnnotation($method, CollectionDefinition::class); |
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if ($method->getName() === '__construct' || $method->isStatic()) { |
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continue; |
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} |
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$methods[$method->getName()] = new MethodMetadata( |
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$method->getName(), |
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self::getFieldName($method->getName()), |
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$this->getReturn($method, $imports), |
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$mapping instanceof CollectionDefinition ? $mapping->mapping : null |
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); |
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} |
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$this->cache[$className] = new ClassMetadata($methods, $reflectionClass); |
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} |
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return $this->cache[$className]; |
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} |
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private function isTypeBuiltIn(string $type) |
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{ |
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return in_array($type, ['null', 'void', 'string', 'int', 'float', 'bool']); |
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} |
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private function getReturn(\ReflectionMethod $method, array $imports):?ReturnMetadata |
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{ |
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$docBlock = $method->getDocComment(); |
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if (preg_match('~\s\*\s*@return\s+null\|([a-zA-Z0-9]+)(\[\])?~', $docBlock, $m)) { |
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return new ReturnMetadata( |
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$this->getFullQualifiedName($method, $m[1], $imports), |
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$this->isTypeBuiltIn($m[1]), |
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true, |
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!empty($m[2]) |
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); |
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} elseif (preg_match('~\s\*\s*@return\s+([a-zA-Z0-9]+)(\[\])?(\|null)?~', $docBlock, $m)) { |
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return new ReturnMetadata( |
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$this->getFullQualifiedName($method, $m[1], $imports), |
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$this->isTypeBuiltIn($m[1]), |
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!empty($m[3]), |
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!empty($m[2]) |
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); |
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} elseif ($method->hasReturnType()) { |
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$type = (string)$method->getReturnType(); |
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if ($type === 'self') { |
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$type = $method->getDeclaringClass()->getName(); |
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} |
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return new ReturnMetadata( |
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$type, |
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$method->getReturnType()->isBuiltin(), |
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$method->getReturnType()->allowsNull(), |
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false |
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); |
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} |
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return null; |
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} |
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private function getFullQualifiedName(\ReflectionMethod $method, string $alias, array $imports): string |
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{ |
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if ($alias === 'self') { |
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return $method->getDeclaringClass()->getName(); |
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} |
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if ($this->isTypeBuiltIn($alias)) { |
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return $alias; |
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} |
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$parts = explode('\\', $alias); |
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$last = $parts[count($parts) - 1]; |
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$first = strtolower(array_shift($parts)); |
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if ($last === $method->getDeclaringClass()->getShortName()) { |
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return $method->getDeclaringClass()->getName(); |
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} |
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if (!isset($imports[$first])) { |
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return $method->getDeclaringClass()->getNamespaceName() . '\\' . $alias; |
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} |
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$namespace = $imports[$first]; |
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if (empty($parts)) { |
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return $namespace; |
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} |
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return $namespace . '\\' . implode('\\', $parts); |
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} |
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public static function getFieldName(string $methodName):?string |
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{ |
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if (substr($methodName, 0, 3) !== 'get' && substr($methodName, 0, 3) !== 'is' ) { |
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return null; |
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} |
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$name = substr($methodName, 3); |
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$newName = ''; |
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$length = strlen($name); |
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for ($i = 0; $i < $length; $i++) { |
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if ($i == 0) { |
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$newName = strtolower($name[$i]); |
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} elseif (strtolower($name[$i]) === $name[$i]) { |
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$newName .= $name[$i]; |
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} else { |
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$newName .= '_' . strtolower($name[$i]); |
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} |
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} |
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return $newName; |
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} |
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} |
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soukicz /
class-metadata-parser
