Uint16Array.h revision 81bc750723a18f21cd17d1b173cd2a4dda9cea6e 
1/*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2009 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef Uint16Array_h
28#define Uint16Array_h
29
30#include "IntegralTypedArrayBase.h"
31
32namespace WebCore {
33
34class ArrayBuffer;
35
36class Uint16Array : public IntegralTypedArrayBase<unsigned short> {
37public:
38    static PassRefPtr<Uint16Array> create(unsigned length);
39    static PassRefPtr<Uint16Array> create(unsigned short* array, unsigned length);
40    static PassRefPtr<Uint16Array> create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length);
41
42    // Can’t use "using" here due to a bug in the RVCT compiler.
43    void set(TypedArrayBase<unsigned short>* array, unsigned offset, ExceptionCode& ec) { TypedArrayBase<unsigned short>::set(array, offset, ec); }
44    void set(unsigned index, double value) { IntegralTypedArrayBase<unsigned short>::set(index, value); }
45
46    PassRefPtr<Uint16Array> subarray(int start) const;
47    PassRefPtr<Uint16Array> subarray(int start, int end) const;
48
49private:
50    Uint16Array(PassRefPtr<ArrayBuffer> buffer,
51                            unsigned byteOffset,
52                            unsigned length);
53    // Make constructor visible to superclass.
54    friend class TypedArrayBase<unsigned short>;
55
56    // Overridden from ArrayBufferView.
57    virtual bool isUnsignedShortArray() const { return true; }
58};
59
60} // namespace WebCore
61
62#endif // Uint16Array_h
63