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 "modules/indexeddb/IDBKeyRange.h"
28
29#include "bindings/v8/ExceptionState.h"
30#include "bindings/v8/IDBBindingUtilities.h"
31#include "core/dom/ExceptionCode.h"
32#include "modules/indexeddb/IDBDatabase.h"
33
34namespace WebCore {
35
36IDBKeyRange* IDBKeyRange::fromScriptValue(ExecutionContext* context, const ScriptValue& value, ExceptionState& exceptionState)
37{
38    if (value.isUndefined() || value.isNull())
39        return 0;
40
41    IDBKeyRange* range = scriptValueToIDBKeyRange(toIsolate(context), value);
42    if (range)
43        return range;
44
45    IDBKey* key = scriptValueToIDBKey(toIsolate(context), value);
46    if (!key || !key->isValid()) {
47        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
48        return 0;
49    }
50
51    return new IDBKeyRange(key, key, LowerBoundClosed, UpperBoundClosed);
52}
53
54IDBKeyRange::IDBKeyRange(IDBKey* lower, IDBKey* upper, LowerBoundType lowerType, UpperBoundType upperType)
55    : m_lower(lower)
56    , m_upper(upper)
57    , m_lowerType(lowerType)
58    , m_upperType(upperType)
59{
60    ScriptWrappable::init(this);
61}
62
63void IDBKeyRange::trace(Visitor* visitor)
64{
65    visitor->trace(m_lower);
66    visitor->trace(m_upper);
67}
68
69ScriptValue IDBKeyRange::lowerValue(ScriptState* scriptState) const
70{
71    return idbKeyToScriptValue(scriptState, m_lower);
72}
73
74ScriptValue IDBKeyRange::upperValue(ScriptState* scriptState) const
75{
76    return idbKeyToScriptValue(scriptState, m_upper);
77}
78
79IDBKeyRange* IDBKeyRange::only(IDBKey* key, ExceptionState& exceptionState)
80{
81    if (!key || !key->isValid()) {
82        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
83        return 0;
84    }
85
86    return IDBKeyRange::create(key, key, LowerBoundClosed, UpperBoundClosed);
87}
88
89IDBKeyRange* IDBKeyRange::only(ExecutionContext* context, const ScriptValue& keyValue, ExceptionState& exceptionState)
90{
91    IDBKey* key = scriptValueToIDBKey(toIsolate(context), keyValue);
92    if (!key || !key->isValid()) {
93        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
94        return 0;
95    }
96
97    return IDBKeyRange::create(key, key, LowerBoundClosed, UpperBoundClosed);
98}
99
100IDBKeyRange* IDBKeyRange::lowerBound(ExecutionContext* context, const ScriptValue& boundValue, bool open, ExceptionState& exceptionState)
101{
102    IDBKey* bound = scriptValueToIDBKey(toIsolate(context), boundValue);
103    if (!bound || !bound->isValid()) {
104        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
105        return 0;
106    }
107
108    return IDBKeyRange::create(bound, 0, open ? LowerBoundOpen : LowerBoundClosed, UpperBoundOpen);
109}
110
111IDBKeyRange* IDBKeyRange::upperBound(ExecutionContext* context, const ScriptValue& boundValue, bool open, ExceptionState& exceptionState)
112{
113    IDBKey* bound = scriptValueToIDBKey(toIsolate(context), boundValue);
114    if (!bound || !bound->isValid()) {
115        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
116        return 0;
117    }
118
119    return IDBKeyRange::create(0, bound, LowerBoundOpen, open ? UpperBoundOpen : UpperBoundClosed);
120}
121
122IDBKeyRange* IDBKeyRange::bound(ExecutionContext* context, const ScriptValue& lowerValue, const ScriptValue& upperValue, bool lowerOpen, bool upperOpen, ExceptionState& exceptionState)
123{
124    IDBKey* lower = scriptValueToIDBKey(toIsolate(context), lowerValue);
125    IDBKey* upper = scriptValueToIDBKey(toIsolate(context), upperValue);
126
127    if (!lower || !lower->isValid() || !upper || !upper->isValid()) {
128        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
129        return 0;
130    }
131    if (upper->isLessThan(lower)) {
132        exceptionState.throwDOMException(DataError, "The lower key is greater than the upper key.");
133        return 0;
134    }
135    if (upper->isEqual(lower) && (lowerOpen || upperOpen)) {
136        exceptionState.throwDOMException(DataError, "The lower key and upper key are equal and one of the bounds is open.");
137        return 0;
138    }
139
140    return IDBKeyRange::create(lower, upper, lowerOpen ? LowerBoundOpen : LowerBoundClosed, upperOpen ? UpperBoundOpen : UpperBoundClosed);
141}
142
143} // namespace WebCore
144