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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef LevelDBDatabase_h
     27 #define LevelDBDatabase_h
     28 
     29 #if ENABLE(LEVELDB)
     30 
     31 #include "PlatformString.h"
     32 #include <OwnPtr.h>
     33 #include <Vector.h>
     34 
     35 namespace leveldb {
     36 class Comparator;
     37 class DB;
     38 }
     39 
     40 namespace WebCore {
     41 
     42 class LevelDBComparator;
     43 class LevelDBIterator;
     44 class LevelDBSlice;
     45 
     46 class LevelDBDatabase {
     47 public:
     48     static LevelDBDatabase* open(const String& fileName, const LevelDBComparator*);
     49     ~LevelDBDatabase();
     50 
     51     bool put(const LevelDBSlice& key, const Vector<char>& value);
     52     bool remove(const LevelDBSlice& key);
     53     bool get(const LevelDBSlice& key, Vector<char>& value);
     54     LevelDBIterator* newIterator();
     55 
     56 private:
     57     LevelDBDatabase();
     58 
     59     OwnPtr<leveldb::DB> m_db;
     60     OwnPtr<leveldb::Comparator> m_comparatorAdapter;
     61 };
     62 
     63 } // namespace WebCore
     64 
     65 #endif // ENABLE(LEVELDB)
     66 #endif // LevelDBDatabase_h
     67