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