1/*
2 * Copyright (C) 2019 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSIDBRequest.h"
28
29#if ENABLE(INDEXED_DATABASE)
30
31#include "IDBBindingUtilities.h"
32#include "JSDOMConvertInterface.h"
33#include "JSIDBCursor.h"
34#include "JSIDBDatabase.h"
35
36namespace WebCore {
37using namespace JSC;
38
39JSC::JSValue JSIDBRequest::result(JSC::ExecState& state) const
40{
41 return cachedPropertyValue(state, *this, wrapped().resultWrapper(), [&] {
42 auto result = wrapped().result();
43 if (UNLIKELY(result.hasException())) {
44 auto throwScope = DECLARE_THROW_SCOPE(state.vm());
45 propagateException(state, throwScope, result.releaseException());
46 return jsNull();
47 }
48
49 IDBRequest::Result resultValue = result.releaseReturnValue();
50 return WTF::switchOn(resultValue, [&state] (RefPtr<IDBCursor>& cursor) {
51 auto throwScope = DECLARE_THROW_SCOPE(state.vm());
52 return toJS<IDLInterface<IDBCursor>>(state, *jsCast<JSDOMGlobalObject*>(state.lexicalGlobalObject()), throwScope, cursor.get());
53 }, [&state] (RefPtr<IDBDatabase>& database) {
54 auto throwScope = DECLARE_THROW_SCOPE(state.vm());
55 return toJS<IDLInterface<IDBDatabase>>(state, *jsCast<JSDOMGlobalObject*>(state.lexicalGlobalObject()), throwScope, database.get());
56 }, [&state] (IDBKeyData keyData) {
57 return toJS<IDLIDBKeyData>(state, *jsCast<JSDOMGlobalObject*>(state.lexicalGlobalObject()), keyData);
58 }, [&state] (Vector<IDBKeyData> keyDatas) {
59 return toJS<IDLSequence<IDLIDBKeyData>>(state, *jsCast<JSDOMGlobalObject*>(state.lexicalGlobalObject()), keyDatas);
60 }, [&state] (IDBGetResult getResult) {
61 auto result = deserializeIDBValueWithKeyInjection(state, getResult.value(), getResult.keyData(), getResult.keyPath());
62 return result ? result.value() : jsNull();
63 }, [&state] (IDBGetAllResult getAllResult) {
64 auto& keys = getAllResult.keys();
65 auto& values = getAllResult.values();
66 auto& keyPath = getAllResult.keyPath();
67 auto scope = DECLARE_THROW_SCOPE(state.vm());
68 JSC::MarkedArgumentBuffer list;
69 for (unsigned i = 0; i < values.size(); i ++) {
70 auto result = deserializeIDBValueWithKeyInjection(state, values[i], keys[i], keyPath);
71 if (!result)
72 return jsNull();
73 list.append(result.value());
74 if (UNLIKELY(list.hasOverflowed())) {
75 propagateException(state, scope, Exception(UnknownError));
76 return jsNull();
77 }
78 }
79 return JSValue(JSC::constructArray(&state, nullptr, state.lexicalGlobalObject(), list));
80 }, [] (uint64_t number) {
81 return toJS<IDLUnsignedLongLong>(number);
82 }, [] (IDBRequest::NullResultType other) {
83 if (other == IDBRequest::NullResultType::Empty)
84 return JSC::jsNull();
85 return JSC::jsUndefined();
86 });
87 });
88}
89
90void JSIDBRequest::visitAdditionalChildren(SlotVisitor& visitor)
91{
92 auto& request = wrapped();
93 request.resultWrapper().visit(visitor);
94 request.cursorWrapper().visit(visitor);
95}
96
97}
98#endif // ENABLE(INDEXED_DATABASE)
99