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[email protected]ef73044e2010-03-11 15:25:541// 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
8namespace base {
9
10class DirReaderFallback {
11 public:
12 // Open a directory. If |IsValid| is true, then |Next| can be called to start
13 // the iteration at the beginning of the directory.
14 explicit DirReaderFallback(const char* directory_path) { }
15 // After construction, IsValid returns true iff the directory was
16 // successfully opened.
17 bool IsValid() const { return false; }
18 // Move to the next entry returning false if the iteration is complete.
19 bool Next() { return false; }
20 // Return the name of the current directory entry.
21 const char* name() { return 0;}
22 // Return the file descriptor which is being used.
23 int fd() const { return -1; }
24 // Returns true if this is a no-op fallback class (for testing).
25 static bool IsFallback() { return true; }
26};
27
28} // namespace base
29
30#endif // BASE_DIR_READER_FALLBACK_H_