react-native/React/Base/RCTManagedPointer.h

40 lines
798 B
Objective-C

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#ifdef __cplusplus
#include <memory>
#import <Foundation/Foundation.h>
/**
* Type erased wrapper over any cxx value that can be passed as an argument
* to native method.
*/
@interface RCTManagedPointer: NSObject
@property (nonatomic, readonly) void *voidPointer;
- (instancetype)initWithPointer:(std::shared_ptr<void>)pointer;
@end
namespace facebook {
namespace react {
template <typename T, typename P>
RCTManagedPointer *managedPointer(P initializer)
{
auto ptr = std::shared_ptr<void>(new T(initializer));
return [[RCTManagedPointer alloc] initWithPointer:std::move(ptr)];
}
} }
#endif