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 AUDIO_PARAM_PARSER_H 17 #define AUDIO_PARAM_PARSER_H 18 19 #include <list> 20 #include <unordered_map> 21 #include <string> 22 #include <regex> 23 #include <set> 24 #include <audio_xml_parser.h> 25 26 namespace OHOS { 27 namespace AudioStandard { 28 #ifdef USE_CONFIG_POLICY 29 static constexpr char CONFIG_FILE[] = "etc/audio/audio_param_config.xml"; 30 #endif 31 32 class AudioParamParser { 33 public: 34 AudioParamParser(); 35 ~AudioParamParser(); 36 37 bool LoadConfiguration( 38 std::unordered_map<std::string, std::unordered_map<std::string, std::set<std::string>>> &audioParameterKeys); 39 40 private: 41 bool ParseInternal(std::shared_ptr<AudioXmlNode> curNode, 42 std::unordered_map<std::string, std::unordered_map<std::string, std::set<std::string>>> &audioParameterKeys); 43 void ParseMainKeys(std::shared_ptr<AudioXmlNode> curNode, 44 std::unordered_map<std::string, std::unordered_map<std::string, std::set<std::string>>> &audioParameterKeys); 45 void ParseMainKey(std::shared_ptr<AudioXmlNode> curNode, 46 std::unordered_map<std::string, std::unordered_map<std::string, std::set<std::string>>> &audioParameterKeys); 47 void ParseSubKeys(std::shared_ptr<AudioXmlNode> curNode, std::string &className, 48 std::unordered_map<std::string, std::unordered_map<std::string, std::set<std::string>>> &audioParameterKeys); 49 }; 50 } // namespace AudioStandard 51 } // namespace OHOS 52 53 #endif // AUDIO_PARAM_PARSER_H 54