1/*
2 * Copyright (C) 2010 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 IDBKeyRange_h
27#define IDBKeyRange_h
28
29#if ENABLE(INDEXED_DATABASE)
30
31#include "IDBKey.h"
32#include "OptionsObject.h"
33#include <wtf/PassRefPtr.h>
34#include <wtf/Threading.h>
35
36namespace WebCore {
37
38class IDBKeyRange : public ThreadSafeRefCounted<IDBKeyRange> {
39public:
40    static PassRefPtr<IDBKeyRange> create(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, bool lowerOpen, bool upperOpen)
41    {
42        return adoptRef(new IDBKeyRange(lower, upper, lowerOpen, upperOpen));
43    }
44    ~IDBKeyRange() { }
45
46    PassRefPtr<IDBKey> lower() const { return m_lower; }
47    PassRefPtr<IDBKey> upper() const { return m_upper; }
48    bool lowerOpen() const { return m_lowerOpen; }
49    bool upperOpen() const { return m_upperOpen; }
50
51    static PassRefPtr<IDBKeyRange> only(PassRefPtr<IDBKey> value);
52    static PassRefPtr<IDBKeyRange> lowerBound(PassRefPtr<IDBKey> bound, bool open = false);
53    static PassRefPtr<IDBKeyRange> upperBound(PassRefPtr<IDBKey> bound, bool open = false);
54    static PassRefPtr<IDBKeyRange> bound(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, bool lowerOpen = false, bool upperOpen = false);
55
56private:
57    IDBKeyRange(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, bool lowerOpen, bool upperOpen);
58
59    RefPtr<IDBKey> m_lower;
60    RefPtr<IDBKey> m_upper;
61    bool m_lowerOpen;
62    bool m_upperOpen;
63};
64
65} // namespace WebCore
66
67#endif
68
69#endif // IDBKeyRange_h
70