deserializer.h
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1 /*
2  * Copyright (C) 2011 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 #ifndef CXXTOOLS_DESERIALIZER_H
30 #define CXXTOOLS_DESERIALIZER_H
31 
34 #include <cxxtools/composer.h>
35 
36 namespace cxxtools
37 {
42  {
43  // make non copyable
44  Deserializer(const Deserializer&) { }
45  Deserializer& operator= (const Deserializer&) { return *this; }
46 
47  public:
49  { }
50 
51  virtual ~Deserializer()
52  { }
53 
59  template <typename T>
60  void deserialize(T& type)
61  {
62  if (current() == 0)
63  {
64  begin();
65  doDeserialize();
66  }
67 
68  Composer<T> composer;
69  composer.begin(type);
70  composer.fixup(*si());
71  }
72 
73  template <typename T>
74  void deserialize(T& type, const std::string& name)
75  {
76  if (current() == 0)
77  {
78  begin();
79  doDeserialize();
80  }
81 
82  SerializationInfo* p = current()->findMember(name);
83  if( !p )
84  throw SerializationMemberNotFound(name);
85 
86  Composer<T> composer;
87  composer.begin(type);
88  composer.fixup(*p);
89  }
90 
91  void deserialize()
92  {
93  begin();
94  doDeserialize();
95  }
96 
97  private:
98  virtual void doDeserialize() = 0;
99  };
100 
101 }
102 
103 #endif // CXXTOOLS_DESERIALIZER_H