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