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1 /* | 1 /* |
2 * This file is part of Adblock Plus <http://adblockplus.org/>, | 2 * This file is part of Adblock Plus <https://adblockplus.org/>, |
3 * Copyright (C) 2006-2014 Eyeo GmbH | 3 * Copyright (C) 2006-2015 Eyeo GmbH |
4 * | 4 * |
5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
8 * | 8 * |
9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 * GNU General Public License for more details. | 12 * GNU General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU General Public License | 14 * You should have received a copy of the GNU General Public License |
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
16 */ | 16 */ |
17 | 17 |
18 #ifndef ADBLOCK_PLUS_FILE_SYSTEM_H | 18 #ifndef ADBLOCK_PLUS_FILE_SYSTEM_H |
19 #define ADBLOCK_PLUS_FILE_SYSTEM_H | 19 #define ADBLOCK_PLUS_FILE_SYSTEM_H |
20 | 20 |
21 #include <istream> | 21 #include <istream> |
22 #include <memory> | |
23 #include <stdint.h> | 22 #include <stdint.h> |
24 #include <string> | 23 #include <string> |
| 24 #include <memory> |
25 | 25 |
26 namespace AdblockPlus | 26 namespace AdblockPlus |
27 { | 27 { |
| 28 /** |
| 29 * File system interface. |
| 30 */ |
28 class FileSystem | 31 class FileSystem |
29 { | 32 { |
30 public: | 33 public: |
| 34 /** |
| 35 * Result of a stat operation, i.e.\ information about a file. |
| 36 */ |
31 struct StatResult | 37 struct StatResult |
32 { | 38 { |
33 StatResult() | 39 StatResult() |
34 { | 40 { |
35 exists = false; | 41 exists = false; |
36 isDirectory = false; | 42 isDirectory = false; |
37 isFile = false; | 43 isFile = false; |
38 lastModified = 0; | 44 lastModified = 0; |
39 } | 45 } |
40 | 46 |
| 47 /** |
| 48 * File exists. |
| 49 */ |
41 bool exists; | 50 bool exists; |
| 51 |
| 52 /** |
| 53 * File is a directory. |
| 54 */ |
42 bool isDirectory; | 55 bool isDirectory; |
| 56 |
| 57 /** |
| 58 * File is a regular file. |
| 59 */ |
43 bool isFile; | 60 bool isFile; |
| 61 |
| 62 /** |
| 63 * POSIX time of the last modification. |
| 64 */ |
44 int64_t lastModified; | 65 int64_t lastModified; |
45 }; | 66 }; |
46 | 67 |
47 virtual ~FileSystem() {} | 68 virtual ~FileSystem() {} |
| 69 |
| 70 /** |
| 71 * Reads from a file. |
| 72 * @param path File path. |
| 73 * @return Input stream with the file's contents. |
| 74 */ |
48 virtual std::shared_ptr<std::istream> | 75 virtual std::shared_ptr<std::istream> |
49 Read(const std::string& path) const = 0; | 76 Read(const std::string& path) const = 0; |
| 77 |
| 78 /** |
| 79 * Writes to a file. |
| 80 * @param path File path. |
| 81 * @param data Input stream with the data to write. |
| 82 */ |
50 virtual void Write(const std::string& path, | 83 virtual void Write(const std::string& path, |
51 std::shared_ptr<std::istream> data) = 0; | 84 std::shared_ptr<std::istream> data) = 0; |
| 85 |
| 86 /** |
| 87 * Moves a file (i.e.\ renames it). |
| 88 * @param fromPath Current path to the file. |
| 89 * @param toPath New path to the file. |
| 90 */ |
52 virtual void Move(const std::string& fromPath, | 91 virtual void Move(const std::string& fromPath, |
53 const std::string& toPath) = 0; | 92 const std::string& toPath) = 0; |
| 93 |
| 94 /** |
| 95 * Removes a file. |
| 96 * @param path File path. |
| 97 */ |
54 virtual void Remove(const std::string& path) = 0; | 98 virtual void Remove(const std::string& path) = 0; |
| 99 |
| 100 /** |
| 101 * Retrieves information about a file. |
| 102 * @param path File path. |
| 103 * @return File information. |
| 104 */ |
55 virtual StatResult Stat(const std::string& path) const = 0; | 105 virtual StatResult Stat(const std::string& path) const = 0; |
| 106 |
| 107 /** |
| 108 * Returns the absolute path to a file. |
| 109 * @param path File path (can be relative or absolute). |
| 110 * @return Absolute file path. |
| 111 */ |
56 virtual std::string Resolve(const std::string& path) const = 0; | 112 virtual std::string Resolve(const std::string& path) const = 0; |
57 }; | 113 }; |
58 | 114 |
| 115 /** |
| 116 * Shared smart pointer to a `FileSystem` instance. |
| 117 */ |
59 typedef std::shared_ptr<FileSystem> FileSystemPtr; | 118 typedef std::shared_ptr<FileSystem> FileSystemPtr; |
60 } | 119 } |
61 | 120 |
62 #endif | 121 #endif |
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