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-rw-r--r--Source/JavaScriptCore/wtf/ArrayBufferView.cpp55
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diff --git a/Source/JavaScriptCore/wtf/ArrayBufferView.cpp b/Source/JavaScriptCore/wtf/ArrayBufferView.cpp
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+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ArrayBufferView.h"
+
+#include "ArrayBuffer.h"
+
+namespace WTF {
+
+ArrayBufferView::ArrayBufferView(PassRefPtr<ArrayBuffer> buffer,
+ unsigned byteOffset)
+ : m_byteOffset(byteOffset)
+ , m_buffer(buffer)
+{
+ m_baseAddress = m_buffer ? (static_cast<char*>(m_buffer->data()) + m_byteOffset) : 0;
+ if (m_buffer)
+ m_buffer->addView(this);
+}
+
+ArrayBufferView::~ArrayBufferView()
+{
+ if (m_buffer)
+ m_buffer->removeView(this);
+}
+
+void ArrayBufferView::neuter()
+{
+ m_buffer = 0;
+ m_byteOffset = 0;
+}
+
+}