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/DOMRequestState.h"
30#include "bindings/v8/ExceptionState.h"
31#include "bindings/v8/IDBBindingUtilities.h"
32#include "core/dom/ExceptionCode.h"
33#include "modules/indexeddb/IDBDatabase.h"
34
35namespace WebCore {
36
37PassRefPtr<IDBKeyRange> IDBKeyRange::fromScriptValue(ExecutionContext* context, const ScriptValue& value, ExceptionState& exceptionState)
38{
39    DOMRequestState requestState(context);
40    if (value.isUndefined() || value.isNull())
41        return 0;
42
43    RefPtr<IDBKeyRange> range = scriptValueToIDBKeyRange(&requestState, value);
44    if (range)
45        return range.release();
46
47    RefPtr<IDBKey> key = scriptValueToIDBKey(&requestState, value);
48    if (!key || !key->isValid()) {
49        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
50        return 0;
51    }
52
53    return adoptRef(new IDBKeyRange(key, key, LowerBoundClosed, UpperBoundClosed));
54}
55
56IDBKeyRange::IDBKeyRange(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, LowerBoundType lowerType, UpperBoundType upperType)
57    : m_lower(lower)
58    , m_upper(upper)
59    , m_lowerType(lowerType)
60    , m_upperType(upperType)
61{
62    ScriptWrappable::init(this);
63}
64
65ScriptValue IDBKeyRange::lowerValue(ExecutionContext* context) const
66{
67    DOMRequestState requestState(context);
68    return idbKeyToScriptValue(&requestState, m_lower);
69}
70
71ScriptValue IDBKeyRange::upperValue(ExecutionContext* context) const
72{
73    DOMRequestState requestState(context);
74    return idbKeyToScriptValue(&requestState, m_upper);
75}
76
77PassRefPtr<IDBKeyRange> IDBKeyRange::only(PassRefPtr<IDBKey> prpKey, ExceptionState& exceptionState)
78{
79    RefPtr<IDBKey> key = prpKey;
80    if (!key || !key->isValid()) {
81        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
82        return 0;
83    }
84
85    return IDBKeyRange::create(key, key, LowerBoundClosed, UpperBoundClosed);
86}
87
88PassRefPtr<IDBKeyRange> IDBKeyRange::only(ExecutionContext* context, const ScriptValue& keyValue, ExceptionState& exceptionState)
89{
90    DOMRequestState requestState(context);
91    RefPtr<IDBKey> key = scriptValueToIDBKey(&requestState, 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
100PassRefPtr<IDBKeyRange> IDBKeyRange::lowerBound(ExecutionContext* context, const ScriptValue& boundValue, bool open, ExceptionState& exceptionState)
101{
102    DOMRequestState requestState(context);
103    RefPtr<IDBKey> bound = scriptValueToIDBKey(&requestState, boundValue);
104    if (!bound || !bound->isValid()) {
105        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
106        return 0;
107    }
108
109    return IDBKeyRange::create(bound, 0, open ? LowerBoundOpen : LowerBoundClosed, UpperBoundOpen);
110}
111
112PassRefPtr<IDBKeyRange> IDBKeyRange::upperBound(ExecutionContext* context, const ScriptValue& boundValue, bool open, ExceptionState& exceptionState)
113{
114    DOMRequestState requestState(context);
115    RefPtr<IDBKey> bound = scriptValueToIDBKey(&requestState, boundValue);
116    if (!bound || !bound->isValid()) {
117        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
118        return 0;
119    }
120
121    return IDBKeyRange::create(0, bound, LowerBoundOpen, open ? UpperBoundOpen : UpperBoundClosed);
122}
123
124PassRefPtr<IDBKeyRange> IDBKeyRange::bound(ExecutionContext* context, const ScriptValue& lowerValue, const ScriptValue& upperValue, bool lowerOpen, bool upperOpen, ExceptionState& exceptionState)
125{
126    DOMRequestState requestState(context);
127    RefPtr<IDBKey> lower = scriptValueToIDBKey(&requestState, lowerValue);
128    RefPtr<IDBKey> upper = scriptValueToIDBKey(&requestState, upperValue);
129
130    if (!lower || !lower->isValid() || !upper || !upper->isValid()) {
131        exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
132        return 0;
133    }
134    if (upper->isLessThan(lower.get())) {
135        exceptionState.throwDOMException(DataError, "The lower key is greater than the upper key.");
136        return 0;
137    }
138    if (upper->isEqual(lower.get()) && (lowerOpen || upperOpen)) {
139        exceptionState.throwDOMException(DataError, "The lower key and upper key are equal and one of the bounds is open.");
140        return 0;
141    }
142
143    return IDBKeyRange::create(lower, upper, lowerOpen ? LowerBoundOpen : LowerBoundClosed, upperOpen ? UpperBoundOpen : UpperBoundClosed);
144}
145
146} // namespace WebCore
147