1 /* 2 * Copyright (c) 2023-2025 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_DEVICE_PARSER_H 17 #define AUDIO_DEVICE_PARSER_H 18 19 #include <list> 20 #include <unordered_map> 21 #include <string> 22 #include <sstream> 23 24 #include "audio_policy_log.h" 25 #include "parser.h" 26 #include "audio_device_manager.h" 27 #include "audio_xml_parser.h" 28 29 namespace OHOS { 30 namespace AudioStandard { 31 32 enum DeviceNodeName { 33 UNKNOWN_NODE = -1, 34 ADAPTER, 35 DEVICES, 36 DEVICE, 37 }; 38 39 class AudioDeviceParser : public Parser { 40 public: 41 static constexpr char PRIVACY_TYPE[] = "privacy"; 42 static constexpr char PUBLIC_TYPE[] = "public"; 43 static constexpr char DEVICE_CONFIG_FILE[] = "etc/audio/audio_device_privacy.xml"; 44 45 bool LoadConfiguration() final; 46 void Destroy() final; 47 AudioDeviceParser(AudioDeviceManager * audioDeviceManager)48 AudioDeviceParser(AudioDeviceManager *audioDeviceManager) 49 { 50 curNode_ = AudioXmlNode::Create(); 51 audioDeviceManager_ = audioDeviceManager; 52 } 53 ~AudioDeviceParser()54 virtual ~AudioDeviceParser() 55 { 56 AUDIO_INFO_LOG("AudioDeviceParser dtor"); 57 Destroy(); 58 curNode_ = nullptr; 59 } 60 61 private: 62 DeviceNodeName GetDeviceNodeNameAsInt(std::shared_ptr<AudioXmlNode> curNode); 63 bool ParseInternal(std::shared_ptr<AudioXmlNode> curNode); 64 void ParseDevicePrivacyInfo(std::shared_ptr<AudioXmlNode> curNode, std::list<DevicePrivacyInfo> &deviceLists); 65 void ParserDevicePrivacyInfoList(std::shared_ptr<AudioXmlNode> curNode, std::list<DevicePrivacyInfo> &deviceLists); 66 void ParseAudioDevicePrivacyType(std::shared_ptr<AudioXmlNode> curNode, AudioDevicePrivacyType &deviceType); 67 void ParseDeviceRole(const std::string &deviceRole, uint32_t &deviceRoleFlag); 68 void ParseDeviceCategory(const std::string &deviceCategory, uint32_t &deviceCategoryFlag); 69 void ParseDeviceUsage(const std::string &deviceUsage, uint32_t &deviceUsageFlag); 70 AudioDevicePrivacyType GetDevicePrivacyType(const std::string &devicePrivacyType); 71 72 std::shared_ptr<AudioXmlNode> curNode_ = nullptr; 73 AudioDevicePrivacyType devicePrivacyType_ = {}; 74 AudioDeviceManager *audioDeviceManager_; 75 std::unordered_map<AudioDevicePrivacyType, std::list<DevicePrivacyInfo>> devicePrivacyMaps_ = {}; 76 }; 77 } // namespace AudioStandard 78 } // namespace OHOS 79 80 #endif // AUDIO_DEVICE_PARSER_H 81