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+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LevelDBIterator_h
+#define LevelDBIterator_h
+
+#if ENABLE(LEVELDB)
+
+#include "LevelDBSlice.h"
+#include "PlatformString.h"
+#include <OwnPtr.h>
+#include <Vector.h>
+
+namespace leveldb {
+class Iterator;
+}
+
+namespace WebCore {
+
+class LevelDBIterator {
+public:
+ ~LevelDBIterator();
+
+ bool isValid() const;
+ void seekToLast();
+ void seek(const Vector<char>& target);
+ void next();
+ void prev();
+ LevelDBSlice key() const;
+ LevelDBSlice value() const;
+
+private:
+ LevelDBIterator(leveldb::Iterator*);
+ friend class LevelDBDatabase;
+
+ OwnPtr<leveldb::Iterator> m_iterator;
+};
+
+
+} // namespace WebCore
+
+#endif // ENABLE(LEVELDB)
+#endif // LevelDBIterator_h