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https://github.com/flutter/flutter.git
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96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/*
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/wtf/ArrayBufferView.h"
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#include "sky/engine/wtf/ArrayBuffer.h"
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namespace WTF {
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ArrayBufferView::ArrayBufferView(PassRefPtr<ArrayBuffer> buffer,
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unsigned byteOffset)
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: m_byteOffset(byteOffset)
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, m_isNeuterable(true)
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, m_buffer(buffer)
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, m_prevView(0)
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, m_nextView(0)
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{
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m_baseAddress = m_buffer ? (static_cast<char*>(m_buffer->data()) + m_byteOffset) : 0;
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if (m_buffer)
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m_buffer->addView(this);
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}
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ArrayBufferView::~ArrayBufferView()
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{
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if (m_buffer)
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m_buffer->removeView(this);
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}
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void ArrayBufferView::neuter()
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{
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m_buffer = nullptr;
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m_byteOffset = 0;
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}
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const char* ArrayBufferView::typeName()
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{
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switch (type()) {
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case TypeInt8:
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return "Int8";
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break;
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case TypeUint8:
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return "UInt8";
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break;
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case TypeUint8Clamped:
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return "UInt8Clamped";
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break;
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case TypeInt16:
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return "Int16";
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break;
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case TypeUint16:
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return "UInt16";
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break;
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case TypeInt32:
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return "Int32";
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break;
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case TypeUint32:
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return "Uint32";
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break;
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case TypeFloat32:
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return "Float32";
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break;
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case TypeFloat64:
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return "Float64";
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break;
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case TypeDataView:
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return "DataView";
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break;
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}
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ASSERT_NOT_REACHED();
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return "Unknown";
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}
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}
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