/* * Copyright (c) 2025 Huawei Device Co., Ltd. * 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 DDK_SYSFS_DEVICES_PARSER_H #define DDK_SYSFS_DEVICES_PARSER_H #include #include #include namespace fs = std::filesystem; class SysfsDevNode { public: SysfsDevNode(uint32_t busNum, uint32_t devNum, uint8_t intfNum, const std::string& prefix) noexcept; int32_t FindPath(std::string& path); private: std::optional GetContent(const std::string& filePath); private: static const std::filesystem::path devDir_; static const std::regex intfPathRegex_; uint32_t busNum_; uint32_t devNum_; uint8_t intfNum_; std::string prefix_; std::regex fileNameRegex_; }; #endif