/* * Copyright (C) 2022 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef UTILS_PRIVATEIMPLEMENTATION_IMPL_H #define UTILS_PRIVATEIMPLEMENTATION_IMPL_H /* * This looks like a header file, but really it acts as a .cpp, because it's used to * explicitly instantiate the methods of PrivateImplementation<> */ #include #include namespace utils { template PrivateImplementation::PrivateImplementation() noexcept : mImpl(new T) { } template template PrivateImplementation::PrivateImplementation(ARGS&& ... args) noexcept : mImpl(new T(std::forward(args)...)) { } template PrivateImplementation::~PrivateImplementation() noexcept { delete mImpl; } #ifndef UTILS_PRIVATE_IMPLEMENTATION_NON_COPYABLE template PrivateImplementation::PrivateImplementation(PrivateImplementation const& rhs) noexcept : mImpl(new T(*rhs.mImpl)) { } template PrivateImplementation& PrivateImplementation::operator=(PrivateImplementation const& rhs) noexcept { if (this != &rhs) { *mImpl = *rhs.mImpl; } return *this; } #endif } // namespace utils #endif // UTILS_PRIVATEIMPLEMENTATION_IMPL_H