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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/apple/owned_objc.h"
#include <Foundation/Foundation.h>
#include "build/build_config.h"
#define OWNED_OBJC_IMPL(classname, objctype, ownership) \
namespace base::apple { \
struct classname::ObjCStorage { \
objctype ownership obj; \
}; \
classname::classname() : objc_storage_(std::make_unique<ObjCStorage>()) {} \
classname::~classname() = default; \
classname::classname(objctype obj) : classname() { \
objc_storage_->obj = obj; \
} \
classname::classname(const classname& other) : classname() { \
objc_storage_->obj = other.objc_storage_->obj; \
} \
classname& classname::operator=(const classname& other) { \
objc_storage_->obj = other.objc_storage_->obj; \
return *this; \
} \
classname::operator bool() const { \
return objc_storage_->obj != nil; \
} \
bool classname::operator==(const classname& other) const { \
return objc_storage_->obj == other.objc_storage_->obj; \
} \
std::string classname::ToString() const { \
return objc_storage_->obj \
? id<NSObject>(objc_storage_->obj).debugDescription.UTF8String \
: std::string("<nil>"); \
} \
objctype classname::Get() const { \
return objc_storage_->obj; \
} \
} // namespace base::apple
#define GENERATE_STRONG_OBJC_TYPE(name) \
OWNED_OBJC_IMPL(Owned##name, name*, __strong)
#define GENERATE_STRONG_OBJC_PROTOCOL(name) \
OWNED_OBJC_IMPL(Owned##name, id<name>, __strong)
#define GENERATE_WEAK_OBJC_TYPE(name) OWNED_OBJC_IMPL(Weak##name, name*, __weak)
#define GENERATE_WEAK_OBJC_PROTOCOL(name) \
OWNED_OBJC_IMPL(Weak##name, id<name>, __weak)
#include "base/apple/owned_objc_types.h"
#undef GENERATE_STRONG_OBJC_TYPE
#undef GENERATE_STRONG_OBJC_PROTOCOL
#undef GENERATE_WEAK_OBJC_TYPE
#undef GENERATE_WEAK_OBJC_PROTOCOL
#undef OWNED_OBJC_IMPL
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