xfile.h
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上传日期:2022-04-22
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- /*
- * 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