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Issue 29449592: Issue 5183 - Provide async interface for FileSystem (Closed) Base URL: https://hg.adblockplus.org/libadblockplus/
Patch Set: Updated patch after review. Created June 16, 2017, 9:52 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-2017 eyeo GmbH 3 * Copyright (C) 2006-2017 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 <stdint.h> 22 #include <stdint.h>
23 #include <string> 23 #include <string>
24 #include <memory> 24 #include <memory>
25 25
26 #include "IFileSystem.h"
27
26 namespace AdblockPlus 28 namespace AdblockPlus
27 { 29 {
28 /** 30 /**
29 * File system interface. 31 * File system interface.
30 */ 32 */
31 class FileSystem 33 class FileSystem
32 { 34 {
33 public: 35 public:
34 /**
35 * Result of a stat operation, i.e.\ information about a file.
36 */
37 struct StatResult
38 {
39 StatResult()
40 {
41 exists = false;
42 isDirectory = false;
43 isFile = false;
44 lastModified = 0;
45 }
46
47 /**
48 * File exists.
49 */
50 bool exists;
51
52 /**
53 * File is a directory.
54 */
55 bool isDirectory;
56
57 /**
58 * File is a regular file.
59 */
60 bool isFile;
61
62 /**
63 * POSIX time of the last modification.
64 */
65 int64_t lastModified;
66 };
67
68 virtual ~FileSystem() {} 36 virtual ~FileSystem() {}
69 37
70 /** 38 /**
71 * Reads from a file. 39 * Reads from a file.
72 * @param path File path. 40 * @param path File path.
73 * @return Input stream with the file's contents. 41 * @return Input stream with the file's contents.
74 */ 42 */
75 virtual std::shared_ptr<std::istream> 43 virtual std::shared_ptr<std::istream>
76 Read(const std::string& path) const = 0; 44 Read(const std::string& path) const = 0;
77 45
(...skipping 17 matching lines...) Expand all
95 * Removes a file. 63 * Removes a file.
96 * @param path File path. 64 * @param path File path.
97 */ 65 */
98 virtual void Remove(const std::string& path) = 0; 66 virtual void Remove(const std::string& path) = 0;
99 67
100 /** 68 /**
101 * Retrieves information about a file. 69 * Retrieves information about a file.
102 * @param path File path. 70 * @param path File path.
103 * @return File information. 71 * @return File information.
104 */ 72 */
105 virtual StatResult Stat(const std::string& path) const = 0; 73 virtual IFileSystem::StatResult Stat(const std::string& path) const = 0;
106 74
107 /** 75 /**
108 * Returns the absolute path to a file. 76 * Returns the absolute path to a file.
109 * @param path File path (can be relative or absolute). 77 * @param path File path (can be relative or absolute).
110 * @return Absolute file path. 78 * @return Absolute file path.
111 */ 79 */
112 virtual std::string Resolve(const std::string& path) const = 0; 80 virtual std::string Resolve(const std::string& path) const = 0;
113 }; 81 };
114 82
115 /** 83 /**
116 * Shared smart pointer to a `FileSystem` instance. 84 * Shared smart pointer to a `FileSystem` instance.
117 */ 85 */
118 typedef std::shared_ptr<FileSystem> FileSystemPtr; 86 typedef std::shared_ptr<FileSystem> FileSystemSyncPtr;
119 } 87 }
120 88
121 #endif 89 #endif
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