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 Uint32Array_h
28#define Uint32Array_h
29
30#include "wtf/IntegralTypedArrayBase.h"
31
32namespace WTF {
33
34class ArrayBuffer;
35
36class Uint32Array final : public IntegralTypedArrayBase<unsigned> {
37public:
38    static inline PassRefPtr<Uint32Array> create(unsigned length);
39    static inline PassRefPtr<Uint32Array> create(const unsigned* array, unsigned length);
40    static inline PassRefPtr<Uint32Array> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
41
42    // Should only be used when it is known the entire array will be filled. Do
43    // not return these results directly to JavaScript without filling first.
44    static inline PassRefPtr<Uint32Array> createUninitialized(unsigned length);
45
46    using TypedArrayBase<unsigned>::set;
47    using IntegralTypedArrayBase<unsigned>::set;
48
49    inline PassRefPtr<Uint32Array> subarray(int start) const;
50    inline PassRefPtr<Uint32Array> subarray(int start, int end) const;
51
52    virtual ViewType type() const override
53    {
54        return TypeUint32;
55    }
56
57private:
58    inline Uint32Array(PassRefPtr<ArrayBuffer>,
59                          unsigned byteOffset,
60                          unsigned length);
61    // Make constructor visible to superclass.
62    friend class TypedArrayBase<unsigned>;
63};
64
65PassRefPtr<Uint32Array> Uint32Array::create(unsigned length)
66{
67    return TypedArrayBase<unsigned>::create<Uint32Array>(length);
68}
69
70PassRefPtr<Uint32Array> Uint32Array::create(const unsigned int* array, unsigned length)
71{
72    return TypedArrayBase<unsigned>::create<Uint32Array>(array, length);
73}
74
75PassRefPtr<Uint32Array> Uint32Array::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
76{
77    return TypedArrayBase<unsigned>::create<Uint32Array>(buffer, byteOffset, length);
78}
79
80PassRefPtr<Uint32Array> Uint32Array::createUninitialized(unsigned length)
81{
82    return TypedArrayBase<unsigned>::createUninitialized<Uint32Array>(length);
83}
84
85Uint32Array::Uint32Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
86    : IntegralTypedArrayBase<unsigned>(buffer, byteOffset, length)
87{
88}
89
90PassRefPtr<Uint32Array> Uint32Array::subarray(int start) const
91{
92    return subarray(start, length());
93}
94
95PassRefPtr<Uint32Array> Uint32Array::subarray(int start, int end) const
96{
97    return subarrayImpl<Uint32Array>(start, end);
98}
99
100} // namespace WTF
101
102using WTF::Uint32Array;
103
104#endif // Uint32Array_h
105