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 
16 #ifndef ADAPTOR_FILE_H
17 #define ADAPTOR_FILE_H
18 
19 #include <stdbool.h>
20 #include <stdint.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 typedef enum FileOperatorType {
27     DEFAULT_FILE_OPERATOR,
28 } FileOperatorType;
29 
30 typedef struct FileOperator {
31     bool (*isFileExist)(const char *fileName);
32     int32_t (*getFileLen)(const char *fileName, uint32_t *len);
33     int32_t (*readFile)(const char *fileName, uint8_t *buf, uint32_t len);
34     int32_t (*writeFile)(const char *fileName, const uint8_t *buf, uint32_t len);
35     int32_t (*deleteFile)(const char *fileName);
36 } FileOperator;
37 
38 bool IsFileOperatorValid(const FileOperator *fileOperator);
39 FileOperator *GetFileOperator(const FileOperatorType type);
40 
41 #ifdef __cplusplus
42 }
43 #endif
44 
45 #endif
46