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// OutBuffer.h
#ifndef __OUT_BUFFER_H
#define __OUT_BUFFER_H
#include "../IStream.h"
#include "../../Common/MyCom.h"
#include "../../Common/MyException.h"
#ifndef _NO_EXCEPTIONS
struct COutBufferException: public CSystemException
{
COutBufferException(HRESULT errorCode): CSystemException(errorCode) {}
};
#endif
class COutBuffer
{
protected:
Byte *_buf;
UInt32 _pos;
UInt32 _limitPos;
UInt32 _streamPos;
UInt32 _bufSize;
ISequentialOutStream *_stream;
UInt64 _processedSize;
Byte *_buf2;
bool _overDict;
HRESULT FlushPart() throw();
public:
#ifdef _NO_EXCEPTIONS
HRESULT ErrorCode;
#endif
COutBuffer(): _buf(0), _pos(0), _stream(0), _buf2(0) {}
~COutBuffer() { Free(); }
bool Create(UInt32 bufSize) throw();
void Free() throw();
void SetMemStream(Byte *buf) { _buf2 = buf; }
void SetStream(ISequentialOutStream *stream) { _stream = stream; }
void Init() throw();
HRESULT Flush() throw();
void FlushWithCheck();
void WriteByte(Byte b)
{
UInt32 pos = _pos;
_buf[pos] = b;
pos++;
_pos = pos;
if (pos == _limitPos)
FlushWithCheck();
}
void WriteBytes(const void *data, size_t size)
{
for (size_t i = 0; i < size; i++)
WriteByte(((const Byte *)data)[i]);
}
UInt64 GetProcessedSize() const throw();
};
#endif
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