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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 // Original code is licensed as follows: | |
| 7 /* | |
| 8 * Copyright 2008 ZXing authors | |
| 9 * | |
| 10 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 11 * you may not use this file except in compliance with the License. | |
| 12 * You may obtain a copy of the License at | |
| 13 * | |
| 14 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 15 * | |
| 16 * Unless required by applicable law or agreed to in writing, software | |
| 17 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 19 * See the License for the specific language governing permissions and | |
| 20 * limitations under the License. | |
| 21 */ | |
| 22 | |
| 23 #include <algorithm> | |
| 24 | |
| 25 #include "xfa/src/fxbarcode/common/BC_CommonByteArray.h" | |
| 26 | |
| 27 CBC_CommonByteArray::CBC_CommonByteArray() { | |
| 28 m_bytes = NULL; | |
| 29 m_size = 0; | |
| 30 m_index = 0; | |
| 31 } | |
| 32 CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) { | |
| 33 m_size = size; | |
| 34 m_bytes = FX_Alloc(uint8_t, size); | |
| 35 FXSYS_memset(m_bytes, 0, size); | |
| 36 m_index = 0; | |
| 37 } | |
| 38 CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) { | |
| 39 m_size = size; | |
| 40 m_bytes = FX_Alloc(uint8_t, size); | |
| 41 FXSYS_memcpy(m_bytes, byteArray, size); | |
| 42 m_index = size; | |
| 43 } | |
| 44 CBC_CommonByteArray::~CBC_CommonByteArray() { | |
| 45 FX_Free(m_bytes); | |
| 46 } | |
| 47 int32_t CBC_CommonByteArray::At(int32_t index) { | |
| 48 return m_bytes[index] & 0xff; | |
| 49 } | |
| 50 void CBC_CommonByteArray::Set(int32_t index, int32_t value) { | |
| 51 m_bytes[index] = (uint8_t)value; | |
| 52 } | |
| 53 int32_t CBC_CommonByteArray::Size() { | |
| 54 return m_size; | |
| 55 } | |
| 56 FX_BOOL CBC_CommonByteArray::IsEmpty() { | |
| 57 return m_size == 0; | |
| 58 } | |
| 59 void CBC_CommonByteArray::AppendByte(int32_t value) { | |
| 60 if (m_size == 0 || m_index >= m_size) { | |
| 61 int32_t newSize = std::max(32, m_size << 1); | |
| 62 Reserve(newSize); | |
| 63 } | |
| 64 m_bytes[m_index] = (uint8_t)value; | |
| 65 m_index++; | |
| 66 } | |
| 67 void CBC_CommonByteArray::Reserve(int32_t capacity) { | |
| 68 if (m_bytes == NULL || m_size < capacity) { | |
| 69 uint8_t* newArray = FX_Alloc(uint8_t, capacity); | |
| 70 if (m_bytes) { | |
| 71 FXSYS_memcpy(newArray, m_bytes, m_size); | |
| 72 FXSYS_memset(newArray + m_size, 0, capacity - m_size); | |
| 73 } else { | |
| 74 FXSYS_memset(newArray, 0, capacity); | |
| 75 } | |
| 76 FX_Free(m_bytes); | |
| 77 m_bytes = newArray; | |
| 78 m_size = capacity; | |
| 79 } | |
| 80 } | |
| 81 void CBC_CommonByteArray::Set(uint8_t* source, int32_t offset, int32_t count) { | |
| 82 FX_Free(m_bytes); | |
| 83 m_bytes = FX_Alloc(uint8_t, count); | |
| 84 m_size = count; | |
| 85 FXSYS_memcpy(m_bytes, source + offset, count); | |
| 86 m_index = count; | |
| 87 } | |
| 88 void CBC_CommonByteArray::Set(CFX_ByteArray* source, | |
| 89 int32_t offset, | |
| 90 int32_t count) { | |
| 91 FX_Free(m_bytes); | |
| 92 m_bytes = FX_Alloc(uint8_t, count); | |
| 93 m_size = count; | |
| 94 int32_t i; | |
| 95 for (i = 0; i < count; i++) { | |
| 96 m_bytes[i] = source->operator[](i + offset); | |
| 97 } | |
| 98 m_index = m_size; | |
| 99 } | |
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