| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| // Original code is licensed as follows: |
| /* |
| * Copyright 2008 ZXing authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <algorithm> |
| |
| #include "fxbarcode/common/BC_CommonByteArray.h" |
| |
| CBC_CommonByteArray::CBC_CommonByteArray() { |
| m_bytes = nullptr; |
| m_size = 0; |
| m_index = 0; |
| } |
| CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) { |
| m_size = size; |
| m_bytes = FX_Alloc(uint8_t, size); |
| memset(m_bytes, 0, size); |
| m_index = 0; |
| } |
| CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) { |
| m_size = size; |
| m_bytes = FX_Alloc(uint8_t, size); |
| memcpy(m_bytes, byteArray, size); |
| m_index = size; |
| } |
| CBC_CommonByteArray::~CBC_CommonByteArray() { |
| FX_Free(m_bytes); |
| } |
| int32_t CBC_CommonByteArray::At(int32_t index) const { |
| return m_bytes[index] & 0xff; |
| } |
| void CBC_CommonByteArray::Set(int32_t index, int32_t value) { |
| m_bytes[index] = (uint8_t)value; |
| } |
| int32_t CBC_CommonByteArray::Size() const { |
| return m_size; |
| } |
| bool CBC_CommonByteArray::IsEmpty() const { |
| return m_size == 0; |
| } |
| void CBC_CommonByteArray::AppendByte(int32_t value) { |
| if (m_size == 0 || m_index >= m_size) { |
| int32_t newSize = std::max(32, m_size << 1); |
| Reserve(newSize); |
| } |
| m_bytes[m_index] = (uint8_t)value; |
| m_index++; |
| } |
| void CBC_CommonByteArray::Reserve(int32_t capacity) { |
| if (!m_bytes || m_size < capacity) { |
| uint8_t* newArray = FX_Alloc(uint8_t, capacity); |
| if (m_bytes) { |
| memcpy(newArray, m_bytes, m_size); |
| memset(newArray + m_size, 0, capacity - m_size); |
| } else { |
| memset(newArray, 0, capacity); |
| } |
| FX_Free(m_bytes); |
| m_bytes = newArray; |
| m_size = capacity; |
| } |
| } |
| void CBC_CommonByteArray::Set(const uint8_t* source, |
| int32_t offset, |
| int32_t count) { |
| FX_Free(m_bytes); |
| m_bytes = FX_Alloc(uint8_t, count); |
| m_size = count; |
| memcpy(m_bytes, source + offset, count); |
| m_index = count; |
| } |
| void CBC_CommonByteArray::Set(std::vector<uint8_t>* source, |
| int32_t offset, |
| int32_t count) { |
| FX_Free(m_bytes); |
| m_bytes = FX_Alloc(uint8_t, count); |
| m_size = count; |
| int32_t i; |
| for (i = 0; i < count; i++) { |
| m_bytes[i] = source->operator[](i + offset); |
| } |
| m_index = m_size; |
| } |