64 lines
1.0 KiB
C++
64 lines
1.0 KiB
C++
#ifndef _ISTREAM_HPP_
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#define _ISTREAM_HPP_
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#include <io.h>
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#include <fcntl.h>
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#include <share.h>
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#include <sys/stat.h>
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#include <mdiwin/windows.hpp>
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#include <mdiwin/types.hpp>
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class IStream
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{
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public:
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#if defined(__FLAT__)
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typedef void * VPTR;
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#else
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typedef void far * VPTR;
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#endif
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IStream(const char *pathFileName);
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virtual ~IStream();
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WORD isOpen(void)const;
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WORD getChar(void);
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WORD getWord(void);
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UCHAR currentChar(void)const;
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USHORT currentWord(void)const;
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void closeFile(void);
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private:
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enum{MaxInputBuffer=6400};
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HGLOBAL mhGlobalBuffer;
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UCHAR FAR *mlpBuffer;
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UCHAR FAR *mlpBufferPointer;
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USHORT mBufferIndex;
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short mFileDescriptor;
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USHORT mCurrentWord;
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UCHAR mCurrentChar;
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};
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inline
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UCHAR IStream::currentChar(void)const
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{
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return mCurrentChar;
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}
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inline
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USHORT IStream::currentWord(void)const
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{
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return mCurrentWord;
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}
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inline
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void IStream::closeFile(void)
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{
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if(-1!=mFileDescriptor)::close(mFileDescriptor);
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mFileDescriptor=-1;
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}
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inline
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WORD IStream::isOpen(void)const
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{
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if(-1==mFileDescriptor)return FALSE;
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return TRUE;
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}
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#endif
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