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| 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 | |
| 32 namespace WTF { | |
| 33 | |
| 34 class ArrayBuffer; | |
| 35 | |
| 36 class Uint32Array : public IntegralTypedArrayBase<unsigned int> { | |
| 37 public: | |
| 38 static inline PassRefPtr<Uint32Array> create(unsigned length); | |
| 39 static inline PassRefPtr<Uint32Array> create(const unsigned int* array, unsi
gned length); | |
| 40 static inline PassRefPtr<Uint32Array> create(PassRefPtr<ArrayBuffer>, unsign
ed 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 getType() const | |
| 53 { | |
| 54 return TypeUint32; | |
| 55 } | |
| 56 | |
| 57 private: | |
| 58 inline Uint32Array(PassRefPtr<ArrayBuffer>, | |
| 59 unsigned byteOffset, | |
| 60 unsigned length); | |
| 61 // Make constructor visible to superclass. | |
| 62 friend class TypedArrayBase<unsigned int>; | |
| 63 }; | |
| 64 | |
| 65 PassRefPtr<Uint32Array> Uint32Array::create(unsigned length) | |
| 66 { | |
| 67 return TypedArrayBase<unsigned int>::create<Uint32Array>(length); | |
| 68 } | |
| 69 | |
| 70 PassRefPtr<Uint32Array> Uint32Array::create(const unsigned int* array, unsigned
length) | |
| 71 { | |
| 72 return TypedArrayBase<unsigned int>::create<Uint32Array>(array, length); | |
| 73 } | |
| 74 | |
| 75 PassRefPtr<Uint32Array> Uint32Array::create(PassRefPtr<ArrayBuffer> buffer, unsi
gned byteOffset, unsigned length) | |
| 76 { | |
| 77 return TypedArrayBase<unsigned int>::create<Uint32Array>(buffer, byteOffset,
length); | |
| 78 } | |
| 79 | |
| 80 PassRefPtr<Uint32Array> Uint32Array::createUninitialized(unsigned length) | |
| 81 { | |
| 82 return TypedArrayBase<unsigned int>::createUninitialized<Uint32Array>(length
); | |
| 83 } | |
| 84 | |
| 85 Uint32Array::Uint32Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, un
signed length) | |
| 86 : IntegralTypedArrayBase<unsigned int>(buffer, byteOffset, length) | |
| 87 { | |
| 88 } | |
| 89 | |
| 90 PassRefPtr<Uint32Array> Uint32Array::subarray(int start) const | |
| 91 { | |
| 92 return subarray(start, length()); | |
| 93 } | |
| 94 | |
| 95 PassRefPtr<Uint32Array> Uint32Array::subarray(int start, int end) const | |
| 96 { | |
| 97 return subarrayImpl<Uint32Array>(start, end); | |
| 98 } | |
| 99 | |
| 100 } // namespace WTF | |
| 101 | |
| 102 using WTF::Uint32Array; | |
| 103 | |
| 104 #endif // Uint32Array_h | |
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