generated from zhangwei/Matrixai
69 lines
2.8 KiB
C
69 lines
2.8 KiB
C
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/*
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* Copyright(C) 2020. Huawei Technologies Co.,Ltd. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef INC_MODULE_FACTORY_H
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#define INC_MODULE_FACTORY_H
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#include <string>
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#include <map>
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#include <functional>
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#define MODULE_REGIST(class_name) \
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namespace ascendBaseModule { \
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class class_name##Helper { \
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public: \
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class_name##Helper() \
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{ \
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ModuleFactory::RegisterModule(#class_name, class_name##Helper::CreatObjFunc); \
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} \
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static void *CreatObjFunc() \
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{ \
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return new class_name; \
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} \
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}; \
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static class_name##Helper class_name##helper; \
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static std::string MT_##class_name = #class_name; \
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}
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namespace ascendBaseModule {
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using Constructor = std::function<void *()>;
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class ModuleFactory {
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public:
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static void RegisterModule(std::string className, Constructor constructor)
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{
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Constructors()[className] = constructor;
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}
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static void *MakeModule(const std::string &className)
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{
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auto itr = Constructors().find(className);
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if (itr == Constructors().end()) {
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return nullptr;
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}
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return ((Constructor)itr->second)();
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}
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private:
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inline static std::map<std::string, Constructor> &Constructors()
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{
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static std::map<std::string, Constructor> instance;
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return instance;
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}
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};
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}
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#endif
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