Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/ArrayBufferView.h

Index: Source/WTF/wtf/ArrayBufferView.h
diff --git a/Source/WTF/wtf/ArrayBufferView.h b/Source/WTF/wtf/ArrayBufferView.h
deleted file mode 100644
index 451c1b6ed99c1afb659761a7558f113a4684578d..0000000000000000000000000000000000000000
--- a/Source/WTF/wtf/ArrayBufferView.h
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * 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. 
- */
-
-#ifndef ArrayBufferView_h
-#define ArrayBufferView_h
-
-#include <wtf/ArrayBuffer.h>
-
-#include <algorithm>
-#include <limits.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-#include <wtf/RefPtr.h>
-
-namespace WTF {
-
-class WTF_EXPORT_PRIVATE_RTTI ArrayBufferView : public RefCounted<ArrayBufferView> {
-  public:
-    enum ViewType {
-        TypeInt8,
-        TypeUint8,
-        TypeUint8Clamped,
-        TypeInt16,
-        TypeUint16,
-        TypeInt32,
-        TypeUint32,
-        TypeFloat32,
-        TypeFloat64,
-        TypeDataView
-    };
-    virtual ViewType getType() const = 0;
-
-    PassRefPtr<ArrayBuffer> buffer() const
-    {
-        return m_buffer;
-    }
-
-    void* baseAddress() const
-    {
-        return m_baseAddress;
-    }
-
-    unsigned byteOffset() const
-    {
-        return m_byteOffset;
-    }
-
-    virtual unsigned byteLength() const = 0;
-
-    WTF_EXPORT_PRIVATE_NO_RTTI virtual ~ArrayBufferView();
-
-  protected:
-    WTF_EXPORT_PRIVATE_NO_RTTI ArrayBufferView(PassRefPtr<ArrayBuffer>, unsigned byteOffset);
-
-    inline bool setImpl(ArrayBufferView*, unsigned byteOffset);
-
-    inline bool setRangeImpl(const char* data, size_t dataByteLength, unsigned byteOffset);
-
-    inline bool zeroRangeImpl(unsigned byteOffset, size_t rangeByteLength);
-
-    static inline void calculateOffsetAndLength(int start, int end, unsigned arraySize,
-                                         unsigned* offset, unsigned* length);
-
-    // Helper to verify that a given sub-range of an ArrayBuffer is
-    // within range.
-    template <typename T>
-    static bool verifySubRange(PassRefPtr<ArrayBuffer> buffer,
-                               unsigned byteOffset,
-                               unsigned numElements)
-    {
-        if (!buffer)
-            return false;
-        if (sizeof(T) > 1 && byteOffset % sizeof(T))
-            return false;
-        if (byteOffset > buffer->byteLength())
-            return false;
-        unsigned remainingElements = (buffer->byteLength() - byteOffset) / sizeof(T);
-        if (numElements > remainingElements)
-            return false;
-        return true;
-    }
-
-    // Input offset is in number of elements from this array's view;
-    // output offset is in number of bytes from the underlying buffer's view.
-    template <typename T>
-    static void clampOffsetAndNumElements(PassRefPtr<ArrayBuffer> buffer,
-                                          unsigned arrayByteOffset,
-                                          unsigned *offset,
-                                          unsigned *numElements)
-    {
-        unsigned maxOffset = (UINT_MAX - arrayByteOffset) / sizeof(T);
-        if (*offset > maxOffset) {
-            *offset = buffer->byteLength();
-            *numElements = 0;
-            return;
-        }
-        *offset = arrayByteOffset + *offset * sizeof(T);
-        *offset = std::min(buffer->byteLength(), *offset);
-        unsigned remainingElements = (buffer->byteLength() - *offset) / sizeof(T);
-        *numElements = std::min(remainingElements, *numElements);
-    }
-
-    WTF_EXPORT_PRIVATE_NO_RTTI virtual void neuter();
-
-    // This is the address of the ArrayBuffer's storage, plus the byte offset.
-    void* m_baseAddress;
-
-    unsigned m_byteOffset;
-
-  private:
-    friend class ArrayBuffer;
-    RefPtr<ArrayBuffer> m_buffer;
-    ArrayBufferView* m_prevView;
-    ArrayBufferView* m_nextView;
-};
-
-bool ArrayBufferView::setImpl(ArrayBufferView* array, unsigned byteOffset)
-{
-    if (byteOffset > byteLength()
-        || byteOffset + array->byteLength() > byteLength()
-        || byteOffset + array->byteLength() < byteOffset) {
-        // Out of range offset or overflow
-        return false;
-    }
-    
-    char* base = static_cast<char*>(baseAddress());
-    memmove(base + byteOffset, array->baseAddress(), array->byteLength());
-    return true;
-}
-
-bool ArrayBufferView::setRangeImpl(const char* data, size_t dataByteLength, unsigned byteOffset)
-{
-    if (byteOffset > byteLength()
-        || byteOffset + dataByteLength > byteLength()
-        || byteOffset + dataByteLength < byteOffset) {
-        // Out of range offset or overflow
-        return false;
-    }
-    
-    char* base = static_cast<char*>(baseAddress());
-    memmove(base + byteOffset, data, dataByteLength);
-    return true;
-}
-
-bool ArrayBufferView::zeroRangeImpl(unsigned byteOffset, size_t rangeByteLength)
-{
-    if (byteOffset > byteLength()
-        || byteOffset + rangeByteLength > byteLength()
-        || byteOffset + rangeByteLength < byteOffset) {
-        // Out of range offset or overflow
-        return false;
-    }
-    
-    char* base = static_cast<char*>(baseAddress());
-    memset(base + byteOffset, 0, rangeByteLength);
-    return true;
-}
-
-void ArrayBufferView::calculateOffsetAndLength(int start, int end, unsigned arraySize,
-                                               unsigned* offset, unsigned* length)
-{
-    if (start < 0)
-        start += arraySize;
-    if (start < 0)
-        start = 0;
-    if (end < 0)
-        end += arraySize;
-    if (end < 0)
-        end = 0;
-    if (static_cast<unsigned>(end) > arraySize)
-        end = arraySize;
-    if (end < start)
-        end = start;
-    *offset = static_cast<unsigned>(start);
-    *length = static_cast<unsigned>(end - start);
-}
-
-} // namespace WTF
-
-using WTF::ArrayBufferView;
-
-#endif // ArrayBufferView_h