1/*
2 * Copyright (C) 2013, 2016 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 *
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 "DataView.h"
28
29#include "JSCInlines.h"
30#include "JSDataView.h"
31#include "JSGlobalObject.h"
32
33namespace JSC {
34
35DataView::DataView(RefPtr<ArrayBuffer>&& buffer, unsigned byteOffset, unsigned byteLength)
36 : ArrayBufferView(WTFMove(buffer), byteOffset, byteLength)
37{
38}
39
40Ref<DataView> DataView::create(
41 RefPtr<ArrayBuffer>&& buffer, unsigned byteOffset, unsigned byteLength)
42{
43 return adoptRef(*new DataView(WTFMove(buffer), byteOffset, byteLength));
44}
45
46Ref<DataView> DataView::create(RefPtr<ArrayBuffer>&& buffer)
47{
48 unsigned byteLength = buffer->byteLength();
49 return create(WTFMove(buffer), 0, byteLength);
50}
51
52JSArrayBufferView* DataView::wrap(JSGlobalObject* lexicalGlobalObject, JSGlobalObject* globalObject)
53{
54 return JSDataView::create(
55 lexicalGlobalObject, globalObject->typedArrayStructure(TypeDataView), possiblySharedBuffer(), byteOffset(),
56 byteLength());
57}
58
59} // namespace JSC
60
61