1 /*
2  * Copyright (C) 2013, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef LATINIME_FILE_UTILS_H
18 #define LATINIME_FILE_UTILS_H
19 
20 #include "defines.h"
21 
22 namespace latinime {
23 
24 class FileUtils {
25  public:
26     // Returns -1 on error.
27     static int getFileSize(const char *const filePath);
28 
29     static bool existsDir(const char *const dirPath);
30 
31     // Remove a directory and all files in the directory.
32     static bool removeDirAndFiles(const char *const dirPath);
33 
34     static int getFilePathWithSuffixBufSize(const char *const filePath, const char *const suffix);
35 
36     static void getFilePathWithSuffix(const char *const filePath, const char *const suffix,
37             const int filePathBufSize, char *const outFilePath);
38 
39     static int getFilePathBufSize(const char *const dirPath, const char *const fileName);
40 
41     static void getFilePath(const char *const dirPath, const char *const fileName,
42             const int filePathBufSize, char *const outFilePath);
43 
44     // Returns whether the filePath have the suffix.
45     static bool getFilePathWithoutSuffix(const char *const filePath, const char *const suffix,
46             const int dirPathBufSize, char *const outDirPath);
47 
48     static void getDirPath(const char *const filePath, const int dirPathBufSize,
49             char *const outDirPath);
50 
51     static void getBasename(const char *const filePath, const int outNameBufSize,
52             char *const outName);
53 
54  private:
55     DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtils);
56 
57     static bool removeDirAndFiles(const char *const dirPath, const int maxTries);
58 };
59 } // namespace latinime
60 #endif /* LATINIME_FILE_UTILS_H */
61