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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_FILES_FILE_H_ | 5 #ifndef BASE_FILES_FILE_H_ |
6 #define BASE_FILES_FILE_H_ | 6 #define BASE_FILES_FILE_H_ |
7 | 7 |
8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
9 #if defined(OS_WIN) | 9 #if defined(OS_WIN) |
10 #include <windows.h> | 10 #include <windows.h> |
11 #endif | 11 #endif |
12 | 12 |
13 #include "base/base_export.h" | 13 #include "base/base_export.h" |
14 #include "base/basictypes.h" | 14 #include "base/basictypes.h" |
15 #include "base/files/scoped_file.h" | |
16 #include "base/move.h" | 15 #include "base/move.h" |
17 #include "base/time/time.h" | 16 #include "base/time/time.h" |
18 | 17 |
19 #if defined(OS_WIN) | 18 #if defined(OS_WIN) |
20 #include "base/win/scoped_handle.h" | 19 #include "base/win/scoped_handle.h" |
21 #endif | 20 #endif |
22 | 21 |
23 namespace base { | 22 namespace base { |
24 | 23 |
25 class FilePath; | 24 class FilePath; |
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171 // FLAG_CREATE_ALWAYS), and false otherwise. | 170 // FLAG_CREATE_ALWAYS), and false otherwise. |
172 bool created() const { return created_; } | 171 bool created() const { return created_; } |
173 | 172 |
174 // Returns the OS result of opening this file. Note that the way to verify | 173 // Returns the OS result of opening this file. Note that the way to verify |
175 // the success of the operation is to use IsValid(), not this method: | 174 // the success of the operation is to use IsValid(), not this method: |
176 // File file(name, flags); | 175 // File file(name, flags); |
177 // if (!file.IsValid()) | 176 // if (!file.IsValid()) |
178 // return; | 177 // return; |
179 Error error_details() const { return error_details_; } | 178 Error error_details() const { return error_details_; } |
180 | 179 |
181 PlatformFile GetPlatformFile() const; | 180 PlatformFile GetPlatformFile() const { return file_; } |
182 PlatformFile TakePlatformFile(); | 181 PlatformFile TakePlatformFile(); |
183 | 182 |
184 // Destroying this object closes the file automatically. | 183 // Destroying this object closes the file automatically. |
185 void Close(); | 184 void Close(); |
186 | 185 |
187 // Changes current position in the file to an |offset| relative to an origin | 186 // Changes current position in the file to an |offset| relative to an origin |
188 // defined by |whence|. Returns the resultant current position in the file | 187 // defined by |whence|. Returns the resultant current position in the file |
189 // (relative to the start) or -1 in case of error. | 188 // (relative to the start) or -1 in case of error. |
190 int64 Seek(Whence whence, int64 offset); | 189 int64 Seek(Whence whence, int64 offset); |
191 | 190 |
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270 #elif defined(OS_POSIX) | 269 #elif defined(OS_POSIX) |
271 static Error OSErrorToFileError(int saved_errno); | 270 static Error OSErrorToFileError(int saved_errno); |
272 #endif | 271 #endif |
273 | 272 |
274 private: | 273 private: |
275 void SetPlatformFile(PlatformFile file); | 274 void SetPlatformFile(PlatformFile file); |
276 | 275 |
277 #if defined(OS_WIN) | 276 #if defined(OS_WIN) |
278 win::ScopedHandle file_; | 277 win::ScopedHandle file_; |
279 #elif defined(OS_POSIX) | 278 #elif defined(OS_POSIX) |
280 ScopedFD file_; | 279 PlatformFile file_; |
281 #endif | 280 #endif |
282 | 281 |
283 Error error_details_; | 282 Error error_details_; |
284 bool created_; | 283 bool created_; |
285 bool async_; | 284 bool async_; |
286 }; | 285 }; |
287 | 286 |
288 } // namespace base | 287 } // namespace base |
289 | 288 |
290 #endif // BASE_FILES_FILE_H_ | 289 #endif // BASE_FILES_FILE_H_ |
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