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<?php |
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namespace Spatie\ValueObject; |
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use ReflectionProperty; |
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class Property extends ReflectionProperty |
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{ |
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private static $typeMapping = [ |
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'int' => 'integer', |
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'bool' => 'boolean', |
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]; |
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/** @var \Spatie\ValueObject\ValueObject */ |
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protected $valueObject; |
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/** @var bool */ |
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private $hasTypeDeclaration = false; |
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/** @var bool */ |
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private $isNullable = false; |
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/** @var bool */ |
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private $isInitialised = false; |
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/** @var array */ |
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private $types = []; |
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public static function fromReflection(ValueObject $valueObject, ReflectionProperty $reflectionProperty) |
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{ |
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return new self($valueObject, $reflectionProperty); |
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} |
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public function __construct(ValueObject $valueObject, ReflectionProperty $reflectionProperty) |
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{ |
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parent::__construct($reflectionProperty->class, $reflectionProperty->getName()); |
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$this->valueObject = $valueObject; |
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$this->resolveTypeDefinition(); |
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} |
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public function set($value) |
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{ |
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if (! $this->isValidType($value)) { |
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$expectedTypes = implode(', ', $this->types); |
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throw ValueObjectException::invalidType( |
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$this->getName(), |
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$this->getDeclaringClass()->getName(), |
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$expectedTypes, |
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$value |
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); |
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} |
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$this->isInitialised = true; |
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$this->valueObject->{$this->getName()} = $value; |
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} |
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private function resolveTypeDefinition() |
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{ |
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$docComment = $this->getDocComment(); |
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if (! $docComment) { |
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return; |
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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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return; |
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} |
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$this->hasTypeDeclaration = true; |
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$varDocComment = end($matches); |
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$this->types = explode('|', $varDocComment); |
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$this->isNullable = strpos($varDocComment, 'null') !== false; |
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} |
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private function isValidType($value): bool |
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{ |
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if (! $this->hasTypeDeclaration) { |
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return true; |
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} |
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$isValidType = false; |
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if ($this->isNullable && $value === null) { |
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return true; |
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} |
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foreach ($this->types as $currentType) { |
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$isValidType = $this->assertValidType($currentType, $value); |
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if ($isValidType) { |
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break; |
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} |
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} |
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return $isValidType; |
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} |
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private function assertValidType(string $type, $value): bool |
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{ |
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if ($type === 'mixed' && $value !== null) { |
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return true; |
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} |
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if (class_exists($type)) { |
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return $value instanceof $type; |
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} |
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return gettype($value) === (self::$typeMapping[$type] ?? $type); |
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} |
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} |
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spatie /
value-object
