1 /*
2 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 
16 #ifndef DISTRIBUTEDDATAMGR_PASTEBOARD_PARCEL_UTIL_H
17 #define DISTRIBUTEDDATAMGR_PASTEBOARD_PARCEL_UTIL_H
18 
19 #include "api/visibility.h"
20 #include "parcel.h"
21 #include "securec.h"
22 namespace OHOS::MiscServices {
23 
24 struct RawMem {
25     uintptr_t buffer;
26     size_t bufferLen;
27     // notice:Keep the parcel reference to prevent the memory in the parcel from being destructed
28     std::shared_ptr<OHOS::Parcel> parcel;
29 };
30 
31 class ParcelUtil {
32 public:
33     // parcelable to buffer
34     API_EXPORT static RawMem Parcelable2Raw(const Parcelable *value);
35 
36     // buffer to parcelable
37     template<typename ParcelableType>
Raw2Parcelable(const RawMem & rawMem)38     static std::shared_ptr<ParcelableType> Raw2Parcelable(const RawMem &rawMem)
39     {
40         Parcel parcel(nullptr);
41         if (!Raw2Parcel(rawMem, parcel)) {
42             return nullptr;
43         }
44         return std::shared_ptr<ParcelableType>(ParcelableType::Unmarshalling(parcel));
45     }
46     // buffer to parcelable
47     API_EXPORT static bool Raw2Parcel(const RawMem &rawMem, Parcel &parcel);
48 };
49 } // namespace OHOS::MiscServices
50 #endif //DISTRIBUTEDDATAMGR_PASTEBOARD_PARCEL_UTIL_H
51