leveldb_comparator.h revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd
1// Copyright (c) 2013 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 CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_COMPARATOR_H_
6#define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_COMPARATOR_H_
7
8#include "base/strings/string_piece.h"
9#include "content/common/content_export.h"
10
11namespace content {
12
13class CONTENT_EXPORT LevelDBComparator {
14 public:
15  virtual ~LevelDBComparator() {}
16
17  virtual int Compare(const base::StringPiece& a,
18                      const base::StringPiece& b) const = 0;
19  virtual const char* Name() const = 0;
20};
21
22}  // namespace content
23
24#endif  // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_COMPARATOR_H_
25