// 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 "xfa/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); FXSYS_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); FXSYS_memcpy(m_bytes, byteArray, size); m_index = size; } CBC_CommonByteArray::~CBC_CommonByteArray() { FX_Free(m_bytes); } int32_t CBC_CommonByteArray::At(int32_t index) { 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() { return m_size; } FX_BOOL CBC_CommonByteArray::IsEmpty() { 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) { FXSYS_memcpy(newArray, m_bytes, m_size); FXSYS_memset(newArray + m_size, 0, capacity - m_size); } else { FXSYS_memset(newArray, 0, capacity); } FX_Free(m_bytes); m_bytes = newArray; m_size = capacity; } } void CBC_CommonByteArray::Set(uint8_t* source, int32_t offset, int32_t count) { FX_Free(m_bytes); m_bytes = FX_Alloc(uint8_t, count); m_size = count; FXSYS_memcpy(m_bytes, source + offset, count); m_index = count; } void CBC_CommonByteArray::Set(CFX_ByteArray* 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; }