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comparison: ipc/chromium/src/base/dir_reader_fallback.h
ipc/chromium/src/base/dir_reader_fallback.h
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- 6474c204b198
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| 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_ | |
| 7 #pragma once | |
| 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_ |
