composer.h
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1 /*
2  * Copyright (C) 2008 by Marc Boris Duerner
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 #ifndef cxxtools_Composer_h
29 #define cxxtools_Composer_h
30 
32 
33 namespace cxxtools
34 {
35 
36 class IComposer
37 {
38  public:
40  {}
41 
42  virtual ~IComposer()
43  {}
44 
45  virtual void fixup(const SerializationInfo& si) = 0;
46 };
47 
48 
49 template <typename T>
50 class Composer : public IComposer
51 {
52  public:
54  : _type(0)
55  {}
56 
57  void begin(T& type)
58  {
59  _type = &type;
60  }
61 
62  virtual void fixup(const SerializationInfo& si)
63  {
64  si >>= *_type;
65  }
66 
67  private:
68  T* _type;
69 };
70 
71 
72 } // namespace cxxtools
73 
74 #endif