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_ITERATOR_H_ 6 #define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ 7 8 #include "base/strings/string_piece.h" 9 10 namespace content { 11 12 class LevelDBIterator { 13 public: 14 virtual ~LevelDBIterator() {} 15 virtual bool IsValid() const = 0; 16 virtual void SeekToLast() = 0; 17 virtual void Seek(const base::StringPiece& target) = 0; 18 virtual void Next() = 0; 19 virtual void Prev() = 0; 20 virtual base::StringPiece Key() const = 0; 21 virtual base::StringPiece Value() const = 0; 22 }; 23 24 } // namespace content 25 26 #endif // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ 27
