mirror of https://github.com/libAthena/athena.git
524 lines
11 KiB
C++
524 lines
11 KiB
C++
// This file is part of libAthena.
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//
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// libAthena is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// libAthena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with libAthena. If not, see <http://www.gnu.org/licenses/>
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#include "Athena/BinaryWriter.hpp"
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#include "Athena/IOException.hpp"
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#include "Athena/InvalidOperationException.hpp"
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#include "Athena/InvalidDataException.hpp"
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#include "Athena/FileNotFoundException.hpp"
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#include "utf8.h"
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#include <stdio.h>
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#include <string.h>
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#include <vector>
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#include <iostream>
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#ifdef HW_RVL
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#include <malloc.h>
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#endif // HW_RVL
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namespace Athena
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{
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namespace io
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{
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BinaryWriter::BinaryWriter(atUint8* data, atUint64 length)
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: m_data((atUint8*)data),
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m_length(length),
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m_position(0),
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m_bitPosition(0),
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m_endian(Endian::LittleEndian),
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m_progressCallback(nullptr)
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{
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if (!m_data)
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m_data = new atUint8[m_length];
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}
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BinaryWriter::BinaryWriter(const std::string& filename, std::function<void(int)> progressFun)
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: m_length(0),
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m_filepath(filename),
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m_position(0),
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m_bitPosition(0),
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m_endian(Endian::LittleEndian),
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m_progressCallback(progressFun)
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{
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m_length = 0x10;
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m_bitPosition = 0;
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m_position = 0;
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m_data = new atUint8[m_length];
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if (!m_data)
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THROW_IO_EXCEPTION("Could not allocate memory!");
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memset(m_data, 0, m_length);
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}
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BinaryWriter::~BinaryWriter()
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{
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delete[] m_data;
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m_data = nullptr;
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}
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void BinaryWriter::setEndian(Endian endian)
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{
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m_endian = endian;
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}
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Endian BinaryWriter::endian() const
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{
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return m_endian;
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}
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bool BinaryWriter::isBigEndian() const
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{
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return (m_endian == Endian::BigEndian);
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}
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bool BinaryWriter::isLittleEndian() const
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{
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return (m_endian == Endian::LittleEndian);
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}
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bool BinaryWriter::isOpen() const
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{
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return m_data != nullptr;
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}
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void BinaryWriter::seek(atInt64 position, SeekOrigin origin)
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{
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switch (origin)
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{
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case SeekOrigin::Begin:
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if (position < 0)
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THROW_IO_EXCEPTION("Position outside stream bounds");
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if ((atUint64)position > m_length)
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resize(position);
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m_position = position;
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break;
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case SeekOrigin::Current:
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if ((((atInt64)m_position + position) < 0))
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THROW_IO_EXCEPTION("Position outside stream bounds");
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if (m_position + position > m_length)
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resize(m_position + position);
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m_position += position;
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break;
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case SeekOrigin::End:
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if (((atInt64)m_length - position) < 0)
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THROW_IO_EXCEPTION("Position outside stream bounds");
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if ((atUint64)position > m_length)
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resize(position);
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m_position = m_length - position;
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break;
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}
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}
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bool BinaryWriter::atEnd() const
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{
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return m_position >= m_length;
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}
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atUint64 BinaryWriter::position() const
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{
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return m_position;
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}
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atUint64 BinaryWriter::length() const
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{
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return m_length;
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}
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void BinaryWriter::setFilepath(const std::string& filepath)
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{
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m_filepath = filepath;
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}
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std::string BinaryWriter::filepath() const
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{
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return m_filepath;
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}
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void BinaryWriter::setData(const atUint8* data, atUint64 length)
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{
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if (m_data)
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delete[] m_data;
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m_data = (atUint8*)data;
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m_length = length;
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m_position = 0;
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m_bitPosition = 0;
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}
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atUint8* BinaryWriter::data() const
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{
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atUint8* ret = new atUint8[m_length];
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memset(ret, 0, m_length);
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memcpy(ret, m_data, m_length);
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return ret;
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}
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void BinaryWriter::save(const std::string& filename)
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{
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if (filename.empty() && m_filepath.empty())
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THROW_INVALID_OPERATION_EXCEPTION("No file specified, cannot save.");
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if (!filename.empty())
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m_filepath = filename;
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FILE* out = fopen(m_filepath.c_str(), "wb");
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if (!out)
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THROW_FILE_NOT_FOUND_EXCEPTION(m_filepath);
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atUint64 done = 0;
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atUint64 blocksize = BLOCKSZ;
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do
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{
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if (blocksize > m_length - done)
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blocksize = m_length - done;
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atInt64 ret = fwrite(m_data + done, 1, blocksize, out);
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if (ret < 0)
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THROW_IO_EXCEPTION("Error writing data to disk");
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else if (ret == 0)
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break;
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done += blocksize;
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}while (done < m_length);
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fclose(out);
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}
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void BinaryWriter::seekBit(int bit)
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{
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if (bit < 0 || bit > 7)
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THROW_INVALID_OPERATION_EXCEPTION("bit out of range");
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m_bitPosition = bit;
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}
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void BinaryWriter::writeBit(bool val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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if (m_position + sizeof(atUint8) > m_length)
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resize(m_position + sizeof(atUint8));
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if (val)
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*(atUint8*)(m_data + m_position) |= (1 << m_bitPosition);
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else
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*(atUint8*)(m_data + m_position) &= ~(1 << m_bitPosition);
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m_bitPosition++;
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if (m_bitPosition > 7)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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}
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void BinaryWriter::writeUByte(atUint8 val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + 1 > m_length)
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resize(m_position + 1);
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*(atUint8*)(m_data + m_position) = val;
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m_position++;
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}
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void BinaryWriter::writeByte(atInt8 val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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writeUByte(val);
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}
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void BinaryWriter::writeUBytes(atUint8* data, atUint64 length)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (!data)
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THROW_INVALID_DATA_EXCEPTION("data cannnot be NULL");
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if (m_position + length > m_length)
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resize(m_position + length);
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memcpy((atInt8*)(m_data + m_position), data, length);
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m_position += length;
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}
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void BinaryWriter::writeBytes(atInt8* data, atUint64 length)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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writeUBytes((atUint8*)data, length);
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}
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void BinaryWriter::writeInt16(atInt16 val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(atInt16) > m_length)
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resize(m_position + sizeof(atInt16));
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if (isBigEndian())
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utility::BigInt16(val);
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else
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utility::LittleInt16(val);
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*(atInt16*)(m_data + m_position) = val;
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m_position += sizeof(atInt16);
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}
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void BinaryWriter::writeUint16(atUint16 val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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writeInt16(val);
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}
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void BinaryWriter::writeInt32(atInt32 val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(atInt32) > m_length)
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resize(m_position + sizeof(atInt32));
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if (isBigEndian())
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utility::BigInt32(val);
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else
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utility::LittleInt32(val);
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*(atInt32*)(m_data + m_position) = val;
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m_position += sizeof(atInt32);
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}
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void BinaryWriter::writeUint32(atUint32 val)
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{
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if (!isOpen())
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THROW_INVALID_OPERATION_EXCEPTION("File not open for writing");
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writeInt32(val);
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}
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void BinaryWriter::writeInt64(atInt64 val)
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{
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(atInt64) > m_length)
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resize(m_position + sizeof(atInt64));
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if (isBigEndian())
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utility::BigInt64(val);
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else
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utility::LittleInt64(val);
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*(atInt64*)(m_data + m_position) = val;
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m_position += sizeof(atInt64);
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}
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void BinaryWriter::writeUint64(atUint64 val)
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{
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(atUint64) > m_length)
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resize(m_position + sizeof(atUint64));
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if (isBigEndian())
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utility::BigUint64(val);
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else
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utility::LittleUint64(val);
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*(atUint64*)(m_data + m_position) = val;
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m_position += sizeof(atUint64);
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}
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void BinaryWriter::writeFloat(float val)
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{
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(float) > m_length)
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resize(m_position + sizeof(float));
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if (isBigEndian())
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utility::BigFloat(val);
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else
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utility::LittleFloat(val);
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*(float*)(m_data + m_position) = val;
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m_position += sizeof(float);
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}
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void BinaryWriter::writeDouble(double val)
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{
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(double) > m_length)
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resize(m_position + sizeof(double));
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if (isBigEndian())
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utility::BigDouble(val);
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else
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utility::LittleDouble(val);
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*(double*)(m_data + m_position)= val;
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m_position += sizeof(double);
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}
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void BinaryWriter::writeBool(bool val)
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{
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if (m_bitPosition > 0)
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{
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m_bitPosition = 0;
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m_position += sizeof(atUint8);
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}
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if (m_position + sizeof(bool) > m_length)
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resize(m_position + sizeof(bool));
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*(bool*)(m_data + m_position) = val;
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m_position += sizeof(bool);
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}
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void BinaryWriter::writeUnicode(const std::string& str)
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{
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std::string tmpStr = "\xEF\xBB\xBF" + str;
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std::vector<short> tmp;
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utf8::utf8to16(tmpStr.begin(), tmpStr.end(), back_inserter(tmp));
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for (atUint16 chr : tmp)
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{
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if (chr != 0xFEFF)
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writeInt16(chr);
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}
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writeInt16(0);
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}
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void BinaryWriter::writeString(const std::string& str)
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{
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for (atUint8 c : str)
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{
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writeUByte(c);
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if (c == '\0')
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break;
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}
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writeUByte(0);
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}
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void BinaryWriter::fill(atUint8 val, atUint64 length)
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{
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while ((length--) > 0)
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writeUByte(val);
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}
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void BinaryWriter::fill(atInt8 val, atUint64 length)
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{
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fill((atUint8)val, length);
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}
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void BinaryWriter::setProgressCallback(std::function<void (int)> cb)
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{
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m_progressCallback = cb;
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}
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void BinaryWriter::resize(atUint64 newSize)
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{
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if (newSize < m_length)
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THROW_INVALID_OPERATION_EXCEPTION("Stream::resize() -> New size cannot be less to the old size.");
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// Allocate and copy new buffer
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#ifdef HW_RVL
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Uint8* newArray = (Uint8*)memalign(32, newSize);
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#else
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atUint8* newArray = new atUint8[newSize];
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#endif
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memset(newArray, 0, newSize);
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memcpy(newArray, m_data, m_length);
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// Delete the old one
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#ifdef HW_RVL
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free(m_data);
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#else
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delete[] m_data;
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#endif
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// Swap the pointer and size out for the new ones.
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m_data = newArray;
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m_length = newSize;
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}
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} // io
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} // Athena
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