content/browser/indexed_db/leveldb/leveldb_comparator.h

   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
  11 namespace content {
  12
  13 class 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_