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72 lines
1.3 KiB
C++
Executable File
72 lines
1.3 KiB
C++
Executable File
// OutBuffer.h
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#ifndef __OUTBUFFER_H
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#define __OUTBUFFER_H
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#include "../IStream.h"
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#include "../../Common/MyCom.h"
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#ifndef _NO_EXCEPTIONS
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struct COutBufferException
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{
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HRESULT ErrorCode;
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COutBufferException(HRESULT errorCode): ErrorCode(errorCode) {}
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};
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#endif
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class COutBuffer
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{
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Byte *_buffer;
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UInt32 _pos;
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UInt32 _bufferSize;
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CMyComPtr<ISequentialOutStream> _stream;
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UInt64 _processedSize;
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void WriteBlock();
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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(): _buffer(0), _pos(0), _stream(0) {}
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~COutBuffer() { Free(); }
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bool Create(UInt32 bufferSize);
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void Free();
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void SetStream(ISequentialOutStream *stream);
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void Init();
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HRESULT Flush();
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void ReleaseStream() { _stream.Release(); }
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/*
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void *GetBuffer(UInt32 &sizeAvail)
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{
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sizeAvail = _bufferSize - _pos;
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return _buffer + _pos;
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}
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void MovePos(UInt32 num)
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{
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_pos += num;
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if(_pos >= _bufferSize)
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WriteBlock();
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}
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*/
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void WriteByte(Byte b)
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{
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_buffer[_pos++] = b;
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if(_pos >= _bufferSize)
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WriteBlock();
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}
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void WriteBytes(const void *data, UInt32 size)
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{
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for (UInt32 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 { return _processedSize + _pos; }
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};
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#endif
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