97 lines
1.9 KiB
C
97 lines
1.9 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1997
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//
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// File: parsfile.h
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//
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//--------------------------------------------------------------------------
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//
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// parsfile.h: abstract classes for parser I/O
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//
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// This abstraction layer allows parser input and output to be
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// redirected as needed.
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//
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#ifndef _PARSFILE_H_
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#define _PARSFILE_H_
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#include <stdio.h>
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#include <stdarg.h>
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#include "zstr.h"
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typedef const char * SZC;
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//
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// PARSIN: abstract base class for parser input file handling
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//
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class PARSIN
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{
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public:
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PARSIN () {}
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virtual ~ PARSIN ();
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virtual void Close () = 0;
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virtual bool Open ( SZC szcFileName, SZC szcMode = "r") = 0;
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virtual int Getch () = 0;
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virtual bool BEof () = 0;
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virtual bool BOpen () = 0;
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const ZSTR & ZsFn () const
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{ return _zsFn; }
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protected:
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ZSTR _zsFn;
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};
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//
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// PARSOUT: abstract base class for parser output file
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//
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class PARSOUT
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{
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public:
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PARSOUT () {}
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virtual ~ PARSOUT ();
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// Print generic formatted information
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virtual void Vsprint ( SZC szcFmt, va_list valist ) = 0;
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// Notify about error and warning information
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virtual void ErrWarn ( bool bErr, int iLine ) {}
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virtual void Flush () {}
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// Simple output
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void Fprint ( SZC szcFmt, ... );
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};
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//
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// PARSIN_DSC: parser DSC file input based on stdio.h
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//
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class PARSIN_DSC : public PARSIN
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{
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public:
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PARSIN_DSC ();
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~ PARSIN_DSC ();
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void Close ();
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bool Open ( SZC szcFileName, SZC szcMode = "r" );
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int Getch ();
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bool BEof ();
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bool BOpen ();
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protected:
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FILE * _pfile;
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};
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//
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// PARSOUT_STD: parser output data stream based on stdio.h
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//
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class PARSOUT_STD : public PARSOUT
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{
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public:
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PARSOUT_STD ( FILE * pfile = NULL );
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virtual ~ PARSOUT_STD ();
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void Vsprint ( SZC szcFmt, va_list valist );
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void Flush ();
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protected:
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FILE * _pfile;
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};
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#endif // _PARSFILE_H_
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