• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2009 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef Int16Array_h
27 #define Int16Array_h
28 
29 #include "wtf/IntegralTypedArrayBase.h"
30 
31 namespace WTF {
32 
33 class ArrayBuffer;
34 
35 class Int16Array final : public IntegralTypedArrayBase<short> {
36 public:
37     static inline PassRefPtr<Int16Array> create(unsigned length);
38     static inline PassRefPtr<Int16Array> create(const short* array, unsigned length);
39     static inline PassRefPtr<Int16Array> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
40 
41     // Should only be used when it is known the entire array will be filled. Do
42     // not return these results directly to JavaScript without filling first.
43     static inline PassRefPtr<Int16Array> createUninitialized(unsigned length);
44 
45     using TypedArrayBase<short>::set;
46     using IntegralTypedArrayBase<short>::set;
47 
48     inline PassRefPtr<Int16Array> subarray(int start) const;
49     inline PassRefPtr<Int16Array> subarray(int start, int end) const;
50 
type()51     virtual ViewType type() const override
52     {
53         return TypeInt16;
54     }
55 
56 private:
57     inline Int16Array(PassRefPtr<ArrayBuffer>,
58                     unsigned byteOffset,
59                     unsigned length);
60     // Make constructor visible to superclass.
61     friend class TypedArrayBase<short>;
62 };
63 
create(unsigned length)64 PassRefPtr<Int16Array> Int16Array::create(unsigned length)
65 {
66     return TypedArrayBase<short>::create<Int16Array>(length);
67 }
68 
create(const short * array,unsigned length)69 PassRefPtr<Int16Array> Int16Array::create(const short* array, unsigned length)
70 {
71     return TypedArrayBase<short>::create<Int16Array>(array, length);
72 }
73 
create(PassRefPtr<ArrayBuffer> buffer,unsigned byteOffset,unsigned length)74 PassRefPtr<Int16Array> Int16Array::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
75 {
76     return TypedArrayBase<short>::create<Int16Array>(buffer, byteOffset, length);
77 }
78 
createUninitialized(unsigned length)79 PassRefPtr<Int16Array> Int16Array::createUninitialized(unsigned length)
80 {
81     return TypedArrayBase<short>::createUninitialized<Int16Array>(length);
82 }
83 
Int16Array(PassRefPtr<ArrayBuffer> buffer,unsigned byteOffset,unsigned length)84 Int16Array::Int16Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
85     : IntegralTypedArrayBase<short>(buffer, byteOffset, length)
86 {
87 }
88 
subarray(int start)89 PassRefPtr<Int16Array> Int16Array::subarray(int start) const
90 {
91     return subarray(start, length());
92 }
93 
subarray(int start,int end)94 PassRefPtr<Int16Array> Int16Array::subarray(int start, int end) const
95 {
96     return subarrayImpl<Int16Array>(start, end);
97 }
98 
99 } // namespace WTF
100 
101 using WTF::Int16Array;
102 
103 #endif // Int16Array_h
104