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#include "config.h"
27#include "IDBKey.h"
28
29#if ENABLE(INDEXED_DATABASE)
30
31namespace WebCore {
32
33IDBKey::IDBKey()
34    : m_type(NullType)
35{
36}
37
38IDBKey::~IDBKey()
39{
40}
41
42bool IDBKey::isLessThan(const IDBKey* other) const
43{
44    ASSERT(other);
45    if (other->m_type < m_type)
46        return true;
47    if (other->m_type > m_type)
48        return false;
49
50    switch (m_type) {
51    case StringType:
52        return codePointCompare(other->m_string, m_string) > 0;
53    case DateType:
54        return other->m_date > m_date;
55    case NumberType:
56        return other->m_number > m_number;
57    case NullType:
58        return true;
59    }
60
61    ASSERT_NOT_REACHED();
62    return false;
63}
64
65bool IDBKey::isEqual(const IDBKey* other) const
66{
67    if (!other || other->m_type != m_type)
68        return false;
69
70    switch (m_type) {
71    case StringType:
72        return other->m_string == m_string;
73    case DateType:
74        return other->m_date == m_date;
75    case NumberType:
76        return other->m_number == m_number;
77    case NullType:
78        return true;
79    }
80
81    ASSERT_NOT_REACHED();
82    return false;
83}
84
85} // namespace WebCore
86
87#endif
88