1 /*
2  * Copyright (c) 2022 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 #ifndef AUDIO_TONE_PARSER_H
16 #define AUDIO_TONE_PARSER_H
17 
18 #include <map>
19 #include <string>
20 #include <libxml/parser.h>
21 #include <libxml/tree.h>
22 #include <vector>
23 #include <string>
24 #include <sstream>
25 #include <unordered_map>
26 #include "audio_errors.h"
27 #include "audio_info.h"
28 #include "audio_policy_log.h"
29 
30 namespace OHOS {
31 namespace AudioStandard {
32     static constexpr char AUDIO_TONE_CONFIG_FILE[] = "system/etc/audio/audio_tone_dtmf_config.xml";
33 
34 class AudioToneParser {
35 public:
36     AudioToneParser();
37     virtual ~AudioToneParser();
38     int32_t LoadConfig(std::unordered_map<int32_t, std::shared_ptr<ToneInfo>> &toneDescriptorMap);
39 private:
40     void ParseSegment(xmlNode *node, int32_t segInx, std::shared_ptr<ToneInfo> ltoneDesc);
41     void ParseToneInfoAttribute(xmlNode *sNode, std::shared_ptr<ToneInfo> ltoneDesc);
42     void ParseToneInfo(xmlNode *node, std::unordered_map<int32_t, std::shared_ptr<ToneInfo>> &toneDescriptorMap);
43     void ParseFrequency(std::string freqList, ToneSegment &ltoneSeg);
44 };
45 } // namespace AudioStandard
46 } // namespace OHOS
47 #endif // AUDIO_TONE_PARSER_H
48