| agl@chromium.org | 4300a31 | 2010-03-12 00:25:54 +0900 | [diff] [blame] | 1 | // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef BASE_DIR_READER_FALLBACK_H_ |
| 6 | #define BASE_DIR_READER_FALLBACK_H_ |
| thakis@chromium.org | 01d1452 | 2010-07-27 08:08:24 +0900 | [diff] [blame^] | 7 | #pragma once |
| agl@chromium.org | 4300a31 | 2010-03-12 00:25:54 +0900 | [diff] [blame] | 8 | |
| 9 | namespace base { |
| 10 | |
| 11 | class DirReaderFallback { |
| 12 | public: |
| 13 | // Open a directory. If |IsValid| is true, then |Next| can be called to start |
| 14 | // the iteration at the beginning of the directory. |
| 15 | explicit DirReaderFallback(const char* directory_path) { } |
| 16 | // After construction, IsValid returns true iff the directory was |
| 17 | // successfully opened. |
| 18 | bool IsValid() const { return false; } |
| 19 | // Move to the next entry returning false if the iteration is complete. |
| 20 | bool Next() { return false; } |
| 21 | // Return the name of the current directory entry. |
| 22 | const char* name() { return 0;} |
| 23 | // Return the file descriptor which is being used. |
| 24 | int fd() const { return -1; } |
| 25 | // Returns true if this is a no-op fallback class (for testing). |
| 26 | static bool IsFallback() { return true; } |
| 27 | }; |
| 28 | |
| 29 | } // namespace base |
| 30 | |
| 31 | #endif // BASE_DIR_READER_FALLBACK_H_ |