1 /*
2  * Copyright (C) 2023 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 OHOS_FILE_MANAGER_H
17 #define OHOS_FILE_MANAGER_H
18 #include <cstdint>
19 #include <fstream>
20 
21 namespace OHOS {
22 namespace Telephony {
23 class VCardFileUtils {
24 public:
25     int32_t Open(const std::string &filePath);
26     int32_t Close();
27     void SetInputStream(std::shared_ptr<std::ifstream> file_);
28     bool ReadLine(std::string &line);
29     bool PeekLine(std::string &line);
30     void Reset();
31     bool IsEnd();
32     void SkipEmptyLines();
33 
34 private:
35     std::shared_ptr<std::ifstream> file_ = nullptr;
36 };
37 } // namespace Telephony
38 } // namespace OHOS
39 #endif // OHOS_FILE_MANAGER_H