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

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MySQLaux/Field.h

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00001 /* 
00002  * MySQLaux - auxiliary classes for communication with MySQL databases
00003  * Copyright  2001  Thomas Langen (mailto: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: Field.h $
00020  * $Id: Field.h 1.3 Wed, 28 Mar 2001 09:26:44 +0200 langen $
00021  * $ProjectHeader: MySQLaux 0.6 Fri, 06 Apr 2001 10:30:48 +0200 langen $
00022  */
00023 
00024 #ifndef __MySQLaux_Field_h__
00025 #define __MySQLaux_Field_h__
00026 
00027 #include <string>
00028 
00029 namespace MySQLaux
00030 {
00035   class Field
00036   {
00037   private:
00038     string const _name;   // type name
00039   protected:
00040     bool const _is_null;  // null flag
00046     Field (string const & name,
00047            bool const is_null = false)
00048         : _name (name),
00049           _is_null (is_null)
00050     {
00051     }
00052     
00053   public:
00057     virtual ~Field()
00058     {
00059     }
00060     
00064     virtual string to_string () const = 0;
00065     
00069     virtual size_t size () const = 0;
00070     
00074     string const & name () const { return _name; }
00075   };
00076 }
00077 
00078 #endif // __MySQLaux_Field_h__
00079 
00080 /*
00081  * Local Variables:
00082  * mode: C++
00083  * fill-column: 80
00084  * c-comment-continuation-stars: " * "
00085  * End:
00086  */

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