messageattribute.h
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1 /*
2  * Copyright (C) 2003 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 
30 #ifndef TNT_MESSAGEATTRIBUTE_H
31 #define TNT_MESSAGEATTRIBUTE_H
32 
33 #include <string>
34 #include <iosfwd>
35 
36 namespace tnt
37 {
42  {
43  public:
45  {
46  OK,
49  };
50 
51  private:
52  virtual return_type onType(const std::string& type,
53  const std::string& subtype) = 0;
54  virtual return_type onParameter(const std::string& attribute,
55  const std::string& value) = 0;
56 
57  public:
59  { }
60  void parse(std::istream& in);
61  };
62 }
63 
64 #endif // TNT_MESSAGEATTRIBUTE_H
65