1 /* 2 * Copyright (c) 2024 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 CONTENT_READER_FACTORY_H 17 #define CONTENT_READER_FACTORY_H 18 19 #include <unordered_map> 20 21 #include "content_reader.h" 22 #include "singleton.h" 23 24 namespace OHOS { 25 namespace HiviewDFX { 26 class ContentReaderFactory : public OHOS::DelayedRefSingleton<ContentReaderFactory> { 27 public: 28 void Register(int8_t version, std::shared_ptr<ContentReader> reader); 29 std::shared_ptr<ContentReader> Get(int8_t version); 30 31 private: 32 std::unordered_map<int8_t, std::shared_ptr<ContentReader>> readerMap_; 33 }; 34 35 class ReaderRegister { 36 public: ReaderRegister(int8_t version,std::shared_ptr<ContentReader> reader)37 ReaderRegister(int8_t version, std::shared_ptr<ContentReader> reader) 38 { 39 ContentReaderFactory::GetInstance().Register(version, reader); 40 } ~ReaderRegister()41 ~ReaderRegister(){}; 42 }; 43 44 #define REGISTER_CONTENT_READER(version, className) \ 45 class Register##className { \ 46 private: \ 47 static const ReaderRegister g_readerGegister; \ 48 }; \ 49 const ReaderRegister Register##className::g_readerGegister(version, std::make_shared<className>()) 50 51 } // HiviewDFX 52 } // OHOS 53 54 #endif // CONTENT_READER_FACTORY_H