1 /*
2  * Copyright (C) 2021-2022 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 
16 /**
17  * @addtogroup Bluetooth
18  * @{
19  *
20  * @brief Defines operate bluetooth data functions.
21  *
22  */
23 
24 /**
25  * @file bluetooth_data.h
26  *
27  * @brief Bluetooth data class.
28  *
29  */
30 
31 #ifndef CLASSIC_BLUETOOTH_DATA_H
32 #define CLASSIC_BLUETOOTH_DATA_H
33 
34 #include <cstdlib>
35 #include <vector>
36 #include "base_def.h"
37 #include "classic_data_structure.h"
38 
39 namespace OHOS {
40 namespace bluetooth {
41 static constexpr int BLUETOOTH_DATA_MAX_LENGTH = 240;
42 
43 /**
44  * @brief Represents bluetooth data.
45  *
46  */
47 class ClassicBluetoothData {
48 public:
49     /**
50      * @brief A constructor used to create a <b>ClassicBluetoothData</b> instance.
51      *
52      */
53     ClassicBluetoothData();
54 
55     /**
56      * @brief A destructor used to delete the <b>ClassicBluetoothData</b> instance.
57      *
58      */
59     ~ClassicBluetoothData();
60 
61     /**
62      * @brief Get bluetooth data.
63      *
64      * @return Returns bluetooth data.
65      */
66     std::vector<uint8_t> GetClassicBluetoothData() const;
67 
68     /**
69      * @brief Set bluetooth data max length.
70      *
71      * @param len Data length.
72      */
73     void SetDataMaxLength(int len);
74 
75     /**
76      * @brief Add bluetooth data structure.
77      *
78      * @param dataStruct Data structure.
79      * @return Returns <b>true</b> if the operation is successful;
80      *         returns <b>false</b> if the operation fails.
81      */
82     bool AddDataStructure(ClassicDataStructure dataStruct);
83 
84     /**
85      * @brief Parser bluetooth data.
86      *
87      * @param data Bluetooth data.
88      * @return Returns the parsed data structure list.
89      */
90     std::vector<ClassicDataStructure> ParserData(const std::vector<uint8_t> &data) const;
91 
92 private:
93     std::vector<ClassicDataStructure> dataStructList_ {};
94     int offset_ {};
95     int maxLength_ {};
96 
97     BT_DISALLOW_COPY_AND_ASSIGN(ClassicBluetoothData);
98 };
99 }  // namespace bluetooth
100 }  // namespace OHOS
101 #endif  /// CLASSIC_BLUETOOTH_DATA_H