Int8Array.h revision cad810f21b803229eb11403f9209855525a25d57 
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 Int8Array_h
28#define Int8Array_h
29
30#include "IntegralTypedArrayBase.h"
31
32namespace WebCore {
33
34class ArrayBuffer;
35
36class Int8Array : public IntegralTypedArrayBase<signed char> {
37public:
38    static PassRefPtr<Int8Array> create(unsigned length);
39    static PassRefPtr<Int8Array> create(signed char* array, unsigned length);
40    static PassRefPtr<Int8Array> create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length);
41
42    using TypedArrayBase<signed char>::set;
43    using IntegralTypedArrayBase<signed char>::set;
44
45    PassRefPtr<Int8Array> slice(int start) const;
46    PassRefPtr<Int8Array> slice(int start, int end) const;
47
48private:
49    Int8Array(PassRefPtr<ArrayBuffer> buffer,
50                   unsigned byteOffset,
51                   unsigned length);
52    // Make constructor visible to superclass.
53    friend class TypedArrayBase<signed char>;
54
55    // Overridden from ArrayBufferView.
56    virtual bool isByteArray() const { return true; }
57};
58
59} // namespace WebCore
60
61#endif // Int8Array_h
62