react-native/React/Base/RCTManagedPointer.h
Alex Dvornikov 6783694158 Add support for Cxx objects as arguments to native modules
Reviewed By: fkgozali

Differential Revision: D5589269

fbshipit-source-id: 1bd7004adc397241cabfb1dc59ba1aebad943bf8
2017-08-14 05:22:17 -07:00

35 lines
891 B
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#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 RCT {
template <typename T, typename P>
RCTManagedPointer *managedPointer(P initializer)
{
auto ptr = std::shared_ptr<void>(new T((NSDictionary *)initializer));
return [[RCTManagedPointer alloc] initWithPointer:std::move(ptr)];
}
}