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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2010 Apple Inc. All rights reserved. |
| 3 * Copyright (c) 2010, Google Inc. All rights reserved. | 3 * Copyright (c) 2010, Google Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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| 81 for (unsigned i = 0; i < length; ++i) | 81 for (unsigned i = 0; i < length; ++i) |
| 82 a->Set(i, array[i]); | 82 a->Set(i, array[i]); |
| 83 return a; | 83 return a; |
| 84 } | 84 } |
| 85 | 85 |
| 86 template <class Subclass> | 86 template <class Subclass> |
| 87 static PassRefPtr<Subclass> Create(PassRefPtr<ArrayBuffer> buffer, | 87 static PassRefPtr<Subclass> Create(PassRefPtr<ArrayBuffer> buffer, |
| 88 unsigned byte_offset, | 88 unsigned byte_offset, |
| 89 unsigned length) { | 89 unsigned length) { |
| 90 RefPtr<ArrayBuffer> buf(std::move(buffer)); | 90 RefPtr<ArrayBuffer> buf(std::move(buffer)); |
| 91 RELEASE_ASSERT(VerifySubRange<T>(buf, byte_offset, length)); | 91 CHECK(VerifySubRange<T>(buf, byte_offset, length)); |
| 92 return AdoptRef(new Subclass(buf.Release(), byte_offset, length)); | 92 return AdoptRef(new Subclass(buf.Release(), byte_offset, length)); |
| 93 } | 93 } |
| 94 | 94 |
| 95 template <class Subclass> | 95 template <class Subclass> |
| 96 static PassRefPtr<Subclass> CreateOrNull(unsigned length) { | 96 static PassRefPtr<Subclass> CreateOrNull(unsigned length) { |
| 97 RefPtr<ArrayBuffer> buffer = ArrayBuffer::CreateOrNull(length, sizeof(T)); | 97 RefPtr<ArrayBuffer> buffer = ArrayBuffer::CreateOrNull(length, sizeof(T)); |
| 98 if (!buffer) | 98 if (!buffer) |
| 99 return nullptr; | 99 return nullptr; |
| 100 return Create<Subclass>(buffer.Release(), 0, length); | 100 return Create<Subclass>(buffer.Release(), 0, length); |
| 101 } | 101 } |
| 102 | 102 |
| 103 void Neuter() final { | 103 void Neuter() final { |
| 104 ArrayBufferView::Neuter(); | 104 ArrayBufferView::Neuter(); |
| 105 length_ = 0; | 105 length_ = 0; |
| 106 } | 106 } |
| 107 | 107 |
| 108 // We do not want to have to access this via a virtual function in subclasses, | 108 // We do not want to have to access this via a virtual function in subclasses, |
| 109 // which is why it is protected rather than private. | 109 // which is why it is protected rather than private. |
| 110 unsigned length_; | 110 unsigned length_; |
| 111 }; | 111 }; |
| 112 | 112 |
| 113 } // namespace WTF | 113 } // namespace WTF |
| 114 | 114 |
| 115 using WTF::TypedArrayBase; | 115 using WTF::TypedArrayBase; |
| 116 | 116 |
| 117 #endif // TypedArrayBase_h | 117 #endif // TypedArrayBase_h |
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