/* * File:	xfile.h * Purpose:	General Purpose File Class  *//* === C R E D I T S  &  D I S C L A I M E R S ============== * Permission is given by the author to freely redistribute and include * this code in any program as long as this credit is given where due. * * CxFile (c)  11/May/2002 Davide Pizzolato - www.xdp.it * CxFile version 2.00 23/Aug/2002 * See the file history.htm for the complete bugfix and news report. * * Special thanks to Chris Shearer Cooper for new features, enhancements and bugfixes * * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. * * Use at your own risk! * ========================================================== */#if !defined(__xfile_h)#define __xfile_h#ifdef WIN32 #include <windows.h>#endif#include <stdio.h>#include <stdlib.h>#include "ximadefs.h"class DLL_EXP CxFile{public:	CxFile(void) { };	virtual ~CxFile() { };	virtual bool	Close() = 0;	virtual size_t	Read(void *buffer, size_t size, size_t count) = 0;	virtual size_t	Write(const void *buffer, size_t size, size_t count) = 0;	virtual bool	Seek(long offset, int origin) = 0;	virtual long	Tell() = 0;	virtual long	Size() = 0;	virtual bool	Flush() = 0;	virtual bool	Eof() = 0;	virtual long	Error() = 0;	virtual bool	PutC(unsigned char c)		{		// Default implementation		size_t nWrote = Write(&c, 1, 1);		return (bool)(nWrote == 1);		}	virtual long	GetC() = 0;};#endif //__xfile_h