1/*
2 * Copyright (C) 2008, 2009 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 *
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 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "JSXMLHttpRequest.h"
31
32#include "JSBlob.h"
33#include "JSDOMConvertBufferSource.h"
34#include "JSDOMConvertInterface.h"
35#include "JSDOMConvertJSON.h"
36#include "JSDOMConvertNullable.h"
37#include "JSDOMConvertStrings.h"
38#include "JSDocument.h"
39
40
41namespace WebCore {
42using namespace JSC;
43
44void JSXMLHttpRequest::visitAdditionalChildren(SlotVisitor& visitor)
45{
46 if (auto* upload = wrapped().optionalUpload())
47 visitor.addOpaqueRoot(upload);
48
49 if (auto* responseDocument = wrapped().optionalResponseXML())
50 visitor.addOpaqueRoot(responseDocument);
51}
52
53JSValue JSXMLHttpRequest::response(ExecState& state) const
54{
55 auto cacheResult = [&] (JSValue value) -> JSValue {
56 m_response.set(state.vm(), this, value);
57 return value;
58 };
59
60
61 if (wrapped().responseCacheIsValid())
62 return m_response.get();
63
64 auto type = wrapped().responseType();
65
66 switch (type) {
67 case XMLHttpRequest::ResponseType::EmptyString:
68 case XMLHttpRequest::ResponseType::Text: {
69 auto scope = DECLARE_THROW_SCOPE(state.vm());
70 return cacheResult(toJS<IDLNullable<IDLUSVString>>(state, scope, wrapped().responseText()));
71 }
72 default:
73 break;
74 }
75
76 if (!wrapped().doneWithoutErrors())
77 return cacheResult(jsNull());
78
79 JSValue value;
80 switch (type) {
81 case XMLHttpRequest::ResponseType::EmptyString:
82 case XMLHttpRequest::ResponseType::Text:
83 ASSERT_NOT_REACHED();
84 return jsUndefined();
85
86 case XMLHttpRequest::ResponseType::Json:
87 value = toJS<IDLJSON>(*globalObject()->globalExec(), wrapped().responseTextIgnoringResponseType());
88 if (!value)
89 value = jsNull();
90 break;
91
92 case XMLHttpRequest::ResponseType::Document: {
93 auto document = wrapped().responseXML();
94 ASSERT(!document.hasException());
95 value = toJS<IDLInterface<Document>>(state, *globalObject(), document.releaseReturnValue());
96 break;
97 }
98
99 case XMLHttpRequest::ResponseType::Blob:
100 value = toJSNewlyCreated<IDLInterface<Blob>>(state, *globalObject(), wrapped().createResponseBlob());
101 break;
102
103 case XMLHttpRequest::ResponseType::Arraybuffer:
104 value = toJS<IDLInterface<ArrayBuffer>>(state, *globalObject(), wrapped().createResponseArrayBuffer());
105 break;
106 }
107
108 wrapped().didCacheResponse();
109 return cacheResult(value);
110}
111
112} // namespace WebCore
113