1 /* 2 * Copyright (c) 2025 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_TLV_UTILS_H 17 #define DISTRIBUTEDDATAMGR_PASTEBOARD_TLV_UTILS_H 18 19 #include "parcel.h" 20 #include "securec.h" 21 #include "unified_meta.h" 22 23 namespace OHOS::MiscServices { 24 25 struct RawMem { 26 uintptr_t buffer; 27 size_t bufferLen; 28 // notice:Keep the parcel reference to prevent the memory in the parcel from being destructed 29 std::shared_ptr<OHOS::Parcel> parcel; 30 }; 31 32 class TLVUtils { 33 public: 34 // parcelable to buffer 35 static RawMem Parcelable2Raw(const Parcelable *value); 36 37 // buffer to parcelable 38 template<typename ParcelableType> Raw2Parcelable(const RawMem & rawMem)39 static std::shared_ptr<ParcelableType> Raw2Parcelable(const RawMem &rawMem) 40 { 41 Parcel parcel(nullptr); 42 if (!Raw2Parcel(rawMem, parcel)) { 43 return nullptr; 44 } 45 return std::shared_ptr<ParcelableType>(ParcelableType::Unmarshalling(parcel)); 46 } 47 // buffer to parcelable 48 API_EXPORT static bool Raw2Parcel(const RawMem &rawMem, Parcel &parcel); 49 50 static std::shared_ptr<Media::PixelMap> Vector2PixelMap(std::vector<std::uint8_t> &value); 51 52 static std::vector<std::uint8_t> PixelMap2Vector(std::shared_ptr<Media::PixelMap> pixelMap); 53 }; 54 } // namespace OHOS::MiscServices 55 #endif //DISTRIBUTEDDATAMGR_PASTEBOARD_TLV_UTILS_H 56