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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "wtf/ArrayPiece.h" | 5 #include "wtf/ArrayPiece.h" |
| 6 | 6 |
| 7 #include "wtf/ArrayBuffer.h" | 7 #include "wtf/ArrayBuffer.h" |
| 8 #include "wtf/ArrayBufferView.h" | 8 #include "wtf/ArrayBufferView.h" |
| 9 #include "wtf/Assertions.h" | 9 #include "wtf/Assertions.h" |
| 10 | 10 |
| 11 namespace WTF { | 11 namespace WTF { |
| 12 | 12 |
| 13 ArrayPiece::ArrayPiece() | 13 ArrayPiece::ArrayPiece() { |
| 14 { | 14 initNull(); |
| 15 initNull(); | |
| 16 } | 15 } |
| 17 | 16 |
| 18 ArrayPiece::ArrayPiece(void* data, unsigned byteLength) | 17 ArrayPiece::ArrayPiece(void* data, unsigned byteLength) { |
| 19 { | 18 initWithData(data, byteLength); |
| 20 initWithData(data, byteLength); | |
| 21 } | 19 } |
| 22 | 20 |
| 23 ArrayPiece::ArrayPiece(ArrayBuffer* buffer) | 21 ArrayPiece::ArrayPiece(ArrayBuffer* buffer) { |
| 24 { | 22 if (buffer) { |
| 25 if (buffer) { | 23 initWithData(buffer->data(), buffer->byteLength()); |
| 26 initWithData(buffer->data(), buffer->byteLength()); | 24 } else { |
| 27 } else { | 25 initNull(); |
| 28 initNull(); | 26 } |
| 29 } | |
| 30 } | 27 } |
| 31 | 28 |
| 32 ArrayPiece::ArrayPiece(ArrayBufferView* buffer) | 29 ArrayPiece::ArrayPiece(ArrayBufferView* buffer) { |
| 33 { | 30 if (buffer) { |
| 34 if (buffer) { | 31 initWithData(buffer->baseAddress(), buffer->byteLength()); |
| 35 initWithData(buffer->baseAddress(), buffer->byteLength()); | 32 } else { |
| 36 } else { | 33 initNull(); |
| 37 initNull(); | 34 } |
| 38 } | |
| 39 } | 35 } |
| 40 | 36 |
| 41 bool ArrayPiece::isNull() const | 37 bool ArrayPiece::isNull() const { |
| 42 { | 38 return m_isNull; |
| 43 return m_isNull; | |
| 44 } | 39 } |
| 45 | 40 |
| 46 void* ArrayPiece::data() const | 41 void* ArrayPiece::data() const { |
| 47 { | 42 ASSERT(!isNull()); |
| 48 ASSERT(!isNull()); | 43 return m_data; |
| 49 return m_data; | |
| 50 } | 44 } |
| 51 | 45 |
| 52 unsigned char* ArrayPiece::bytes() const | 46 unsigned char* ArrayPiece::bytes() const { |
| 53 { | 47 return static_cast<unsigned char*>(data()); |
| 54 return static_cast<unsigned char*>(data()); | |
| 55 } | 48 } |
| 56 | 49 |
| 57 unsigned ArrayPiece::byteLength() const | 50 unsigned ArrayPiece::byteLength() const { |
| 58 { | 51 ASSERT(!isNull()); |
| 59 ASSERT(!isNull()); | 52 return m_byteLength; |
| 60 return m_byteLength; | |
| 61 } | 53 } |
| 62 | 54 |
| 63 void ArrayPiece::initWithData(void* data, unsigned byteLength) | 55 void ArrayPiece::initWithData(void* data, unsigned byteLength) { |
| 64 { | 56 m_byteLength = byteLength; |
| 65 m_byteLength = byteLength; | 57 m_data = data; |
| 66 m_data = data; | 58 m_isNull = false; |
| 67 m_isNull = false; | |
| 68 } | 59 } |
| 69 | 60 |
| 70 void ArrayPiece::initNull() | 61 void ArrayPiece::initNull() { |
| 71 { | 62 m_byteLength = 0; |
| 72 m_byteLength = 0; | 63 m_data = 0; |
| 73 m_data = 0; | 64 m_isNull = true; |
| 74 m_isNull = true; | |
| 75 } | 65 } |
| 76 | 66 |
| 77 } // namespace WTF | 67 } // namespace WTF |
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