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| 1 /* | |
| 2 * Copyright (C) 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 * 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 COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "ArrayBufferView.h" | |
| 28 | |
| 29 #include "ArrayBuffer.h" | |
| 30 | |
| 31 namespace WTF { | |
| 32 | |
| 33 ArrayBufferView::ArrayBufferView(PassRefPtr<ArrayBuffer> buffer, | |
| 34 unsigned byteOffset) | |
| 35 : m_byteOffset(byteOffset) | |
| 36 , m_buffer(buffer) | |
| 37 , m_prevView(0) | |
| 38 , m_nextView(0) | |
| 39 { | |
| 40 m_baseAddress = m_buffer ? (static_cast<char*>(m_buffer->data()) + m_byteOff
set) : 0; | |
| 41 if (m_buffer) | |
| 42 m_buffer->addView(this); | |
| 43 } | |
| 44 | |
| 45 ArrayBufferView::~ArrayBufferView() | |
| 46 { | |
| 47 if (m_buffer) | |
| 48 m_buffer->removeView(this); | |
| 49 } | |
| 50 | |
| 51 void ArrayBufferView::neuter() | |
| 52 { | |
| 53 m_buffer = 0; | |
| 54 m_byteOffset = 0; | |
| 55 } | |
| 56 | |
| 57 } | |
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