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 "wtf/IntegralTypedArrayBase.h"
31
32 namespace WTF {
33
34 class ArrayBuffer;
35
36 class Int8Array final : public IntegralTypedArrayBase<signed char> {
37 public:
38 static inline PassRefPtr<Int8Array> create(unsigned length);
39 static inline PassRefPtr<Int8Array> create(const signed char* array, unsigned length);
40 static inline PassRefPtr<Int8Array> 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<Int8Array> createUninitialized(unsigned length);
45
46 using TypedArrayBase<signed char>::set;
47 using IntegralTypedArrayBase<signed char>::set;
48
49 inline PassRefPtr<Int8Array> subarray(int start) const;
50 inline PassRefPtr<Int8Array> subarray(int start, int end) const;
51
type()52 virtual ViewType type() const override
53 {
54 return TypeInt8;
55 }
56
57 private:
58 inline Int8Array(PassRefPtr<ArrayBuffer>,
59 unsigned byteOffset,
60 unsigned length);
61 // Make constructor visible to superclass.
62 friend class TypedArrayBase<signed char>;
63 };
64
create(unsigned length)65 PassRefPtr<Int8Array> Int8Array::create(unsigned length)
66 {
67 return TypedArrayBase<signed char>::create<Int8Array>(length);
68 }
69
create(const signed char * array,unsigned length)70 PassRefPtr<Int8Array> Int8Array::create(const signed char* array, unsigned length)
71 {
72 return TypedArrayBase<signed char>::create<Int8Array>(array, length);
73 }
74
create(PassRefPtr<ArrayBuffer> buffer,unsigned byteOffset,unsigned length)75 PassRefPtr<Int8Array> Int8Array::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
76 {
77 return TypedArrayBase<signed char>::create<Int8Array>(buffer, byteOffset, length);
78 }
79
createUninitialized(unsigned length)80 PassRefPtr<Int8Array> Int8Array::createUninitialized(unsigned length)
81 {
82 return TypedArrayBase<signed char>::createUninitialized<Int8Array>(length);
83 }
84
Int8Array(PassRefPtr<ArrayBuffer> buffer,unsigned byteOffset,unsigned length)85 Int8Array::Int8Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
86 : IntegralTypedArrayBase<signed char>(buffer, byteOffset, length)
87 {
88 }
89
subarray(int start)90 PassRefPtr<Int8Array> Int8Array::subarray(int start) const
91 {
92 return subarray(start, length());
93 }
94
subarray(int start,int end)95 PassRefPtr<Int8Array> Int8Array::subarray(int start, int end) const
96 {
97 return subarrayImpl<Int8Array>(start, end);
98 }
99
100 } // namespace WTF
101
102 using WTF::Int8Array;
103
104 #endif // Int8Array_h
105