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/*
* Copyright (C) 2008-2011 TrinityCore <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ByteBuffer.h"
void BitStream::Clear()
{
_data.clear();
_rpos = _wpos = 0;
}
uint8 BitStream::GetBit(uint32 bit)
{
ASSERT(_data.size() > bit);
return _data[bit];
}
uint8 BitStream::ReadBit()
{
ASSERT(_data.size() < _rpos);
uint8 b = _data[_rpos];
++_rpos;
return b;
}
void BitStream::WriteBit(uint32 bit)
{
_data.push_back(bit ? uint8(1) : uint8(0));
++_wpos;
}
template <typename T> void BitStream::WriteBits(T value, size_t bits)
{
for (int32 i = bits-1; i >= 0; --i)
WriteBit((value >> i) & 1);
}
bool BitStream::Empty()
{
return _data.empty();
}
void BitStream::Reverse()
{
uint32 len = GetLength();
std::vector<uint8> b = _data;
Clear();
for(uint32 i = len; i > 0; --i)
WriteBit(b[i-1]);
}
void BitStream::Print()
{
if (!sLog->IsOutDebug())
return;
std::stringstream ss;
ss << "BitStream: ";
for (uint32 i = 0; i < GetLength(); ++i)
ss << uint32(GetBit(i)) << " ";
sLog->outDebug(LOG_FILTER_NETWORKIO, "%s", ss.str().c_str());
}
ByteBuffer::ByteBuffer(size_t res, bool init): _rpos(0), _wpos(0), _bitpos(8), _curbitval(0)
{
if (init)
_storage.resize(res, 0);
else
_storage.reserve(res);
}
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