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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_FILES_DIR_READER_FALLBACK_H_
- #define BASE_FILES_DIR_READER_FALLBACK_H_
- namespace base {
- class DirReaderFallback {
- public:
- // Open a directory. If |IsValid| is true, then |Next| can be called to start
- // the iteration at the beginning of the directory.
- explicit DirReaderFallback(const char* directory_path) {}
- // After construction, IsValid returns true iff the directory was
- // successfully opened.
- bool IsValid() const { return false; }
- // Move to the next entry returning false if the iteration is complete.
- bool Next() { return false; }
- // Return the name of the current directory entry.
- const char* name() { return nullptr;}
- // Return the file descriptor which is being used.
- int fd() const { return -1; }
- // Returns true if this is a no-op fallback class (for testing).
- static bool IsFallback() { return true; }
- };
- } // namespace base
- #endif // BASE_FILES_DIR_READER_FALLBACK_H_
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