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//====================================================================
// Although great care has gone into developing this software,
// it is provided without any guarantee of reliability, accuracy
// of information, or correctness of operation.  I am not responsible
// for any damages that may occur as a result of using this software.
// Use this software entirely at your own risk.
// Copyright 2003, Chris Richardson
//
// Description: Memory mapped file stream.
//
//====================================================================

#if !defined(AFX_MMFSTREAM_H__77D67255_57D3_455A_8DB1_BCA3A9B69ADE__INCLUDED_)
#define AFX_MMFSTREAM_H__77D67255_57D3_455A_8DB1_BCA3A9B69ADE__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "Status.h"
#include "Stream.h"

class CMMFStream : public CStream  
{
public:
	CMMFStream();
	virtual ~CMMFStream();

   ParseStatus             Open( const TCHAR * p_pszPath );
   ParseStatus             Close();
   
   virtual TCHAR *         GetS( TCHAR * p_pszStr, int p_iLength );

   virtual TCHAR           GetC();
   virtual TCHAR           UngetC( TCHAR p_cC );

   virtual unsigned long   GetPos();
   virtual void            SetPos( unsigned long p_ulPos );

   virtual const TCHAR *   GetName() { return c_szFileName; }

protected:
   HANDLE                  c_hFile;
   HANDLE                  c_hMapping;
   LPVOID                  c_pvBaseAddress;
   unsigned long           c_ulBytesLeft;
   TCHAR *                 c_pcBuf;

   TCHAR                   c_szFileName[MAX_PATH + 1];
};

#endif // !defined(AFX_MMFSTREAM_H__77D67255_57D3_455A_8DB1_BCA3A9B69ADE__INCLUDED_)