private function initialize()
{
$this->initialized = true;
$parseResult = DocBlockParser::parsePropertyDocBlock($this->reflector);
$this->description = $parseResult->description;
$resolver = new Helper\ParserClassNameResolver($this->getDeclaringType()->getName());
$this->type = Type::of($parseResult->type, $resolver);
}
/**
* Checks whether the provided type is assignable to this type.
* Returns true, if the provided type is equal to this instance, or
* if this instance is "mixed", or if this is "object" and type is an object type
* or if this is "callable" and type is a class with a method __invoke.
*
* @param Type $type
* @return boolean
*/
public function isAssignableFrom(Type $type)
{
if ($type->getName() === $this->name) {
return true;
}
if ($this->name === self::MIXED_NAME) {
return true;
}
if ($this->name === self::OBJECT_NAME) {
return $type instanceof ObjectType;
}
if ($this->name === self::CALLABLE_NAME) {
if ($type instanceof ObjectType) {
return $type->getReflectionClass()->hasMethod("__invoke");
}
}
return false;
}
public function testUnionType()
{
$fooInterface = Type::of("Hediet\\Types\\Test\\FooInterface");
$foo = Type::of("Hediet\\Types\\Test\\Foo");
$fooOrFooInterface = Type::ofUnion(array($fooInterface, $foo));
$this->assertTrue($fooOrFooInterface->equals($fooInterface));
$this->assertTrue(Type::ofUnion(array($fooInterface, Type::ofBoolean()))->isAssignableFrom($foo));
$this->assertTrue(Type::ofUnion(array($fooInterface, Type::ofBoolean()))->isAssignableFrom(Type::ofBoolean()));
$this->assertFalse(Type::ofUnion(array($foo, Type::ofBoolean()))->isAssignableFrom($fooInterface));
$this->assertFalse(Type::ofUnion(array($foo, Type::ofBoolean()))->isAssignableFrom(Type::ofUnion(array($foo, Type::ofBoolean(), Type::ofNull()))));
$this->assertTrue(Type::ofUnion(array($foo, Type::ofBoolean(), Type::ofNull()))->isAssignableFrom(Type::ofUnion(array(Type::ofBoolean(), $foo))));
}
/**
* @param ReflectionParameter $parameter
* @return Type
*/
function __internal_getParameterType(ReflectionParameter $parameter)
{
if (!isset($this->parameterTypeCache[$parameter->name])) {
if (!$this->initialized) {
$this->initialize();
}
if (isset($this->parseResult->parameter[$parameter->getName()])) {
$typeStr = $this->parseResult->parameter[$parameter->getName()]->type;
$type = Type::of($typeStr, $this->resolver);
} else {
$typeHintedClass = $parameter->getClass();
if ($typeHintedClass !== null) {
$type = Type::byReflectionClass($typeHintedClass);
} else {
$type = Type::ofMixed();
}
if ($parameter->allowsNull()) {
$type = Type::ofNullable($type);
}
}
$this->parameterTypeCache[$parameter->name] = $type;
}
return $this->parameterTypeCache[$parameter->name];
}
/**
* @param ReflectionMethod $method
* @return MethodInfo
*/
public static function create(ReflectionMethod $method)
{
$declaringType = Type::byReflectionClass($method->getDeclaringClass());
return new MethodInfo($declaringType, $method);
}
/**
* Checks whether the type is equal to $other.
*
* @param Type $other The other type.
* @return boolean
*/
public function equals(Type $other)
{
$result = $other->isAssignableFrom($this) && $this->isAssignableFrom($other);
$result2 = $this->getName() === $other->getName();
//Are there any types which do not have the same name, but are assignable to each other?
//(United types are sorted by their names)
if ($result !== $result2) {
throw new \Exception("This should not happen - please report a bug!");
}
return $result;
}
