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: ~LevelDBComparator()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