mirror of
https://github.com/holub/mame
synced 2025-06-05 20:33:45 +03:00
67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
// OutBuffer.h
|
|
|
|
#ifndef ZIP7_INC_OUT_BUFFER_H
|
|
#define ZIP7_INC_OUT_BUFFER_H
|
|
|
|
#include "../IStream.h"
|
|
#include "../../Common/MyCom.h"
|
|
#include "../../Common/MyException.h"
|
|
|
|
#ifndef Z7_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 Z7_NO_EXCEPTIONS
|
|
HRESULT ErrorCode;
|
|
#endif
|
|
|
|
COutBuffer(): _buf(NULL), _pos(0), _stream(NULL), _buf2(NULL) {}
|
|
~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
|