MySQLaux 0.6 is free software from Langensoft written by Thomas Langen.

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MySQLaux/Exception.h

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00001 /* 
00002  * MySQLaux - auxiliary classes for communication with MySQL databases
00003  * Copyright  2001  Thomas Langen (langen@langensoft.com)
00004  * 
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  * 
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  * 
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018  * 
00019  * $Source: Exception.h $
00020  * $Id: Exception.h 1.2 Mon, 26 Mar 2001 19:33:26 +0200 langen $
00021  * $ProjectHeader: MySQLaux 0.6 Fri, 06 Apr 2001 10:30:48 +0200 langen $
00022  */
00023 
00024 #ifndef __MySQLaux_Exception_h__
00025 #define __MySQLaux_Exception_h__
00026 
00027 #include <string>
00028 
00029 namespace MySQLaux
00030 {
00034   class Exception
00035   {
00036   protected:
00037     Exception() {}
00038     virtual ~Exception() {}
00039   public:
00043     virtual string asString() const throw() = 0;
00044     
00048     inline const char* what () const throw ()
00049     {
00050       return asString().c_str();
00051     }
00052   };
00053   
00057   class NullFieldIndicator
00058   {
00059   public:
00063     NullFieldIndicator ()
00064     { 
00065     }
00066   };
00067 }
00068 
00069 #endif // __MySQLaux_Exception_h__
00070   
00071 // end of source code 
00072 
00073 /*
00074  * Local Variables:
00075  * mode: C++
00076  * fill-column: 80
00077  * c-comment-continuation-stars: " * "
00078  * End:
00079  */

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