www.pudn.com > H323BeaconClient-v1.4_win_src.zip > xfile.h, change:2003-10-09,size:2158b


/* 
 * 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 <ing.davide.pizzolato@libero.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