xmldeserializer.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 xis_cxxtools_XmlDeserializer_h
29 #define xis_cxxtools_XmlDeserializer_h
30 
31 #include <cxxtools/string.h>
32 #include <cxxtools/deserializer.h>
33 #include "cxxtools/xml/xmlreader.h"
34 #include <memory>
35 
36 namespace cxxtools
37 {
38 
39 namespace xml
40 {
41 
42  class XmlReader;
43  class Node;
44 
51  {
52  public:
54 
55  XmlDeserializer(std::istream& is);
56 
58  { return *_reader; }
59 
60  template <typename T>
61  static void toObject(const std::string& str, T& type)
62  {
63  std::istringstream in(str);
64  XmlDeserializer d(in);
65  d.deserialize(type);
66  }
67 
68  template <typename T>
69  static void toObject(XmlReader& in, T& type)
70  {
71  XmlDeserializer d(in);
72  d.deserialize(type);
73  }
74 
75  template <typename T>
76  static void toObject(std::istream& in, T& type)
77  {
78  XmlDeserializer d(in);
79  d.deserialize(type);
80  }
81 
82  protected:
83  void doDeserialize();
84 
86  void beginDocument(const cxxtools::xml::Node& node);
87 
89  void onRootElement(const cxxtools::xml::Node& node);
90 
92  void onStartElement(const cxxtools::xml::Node& node);
93 
95  void onWhitespace(const cxxtools::xml::Node& node);
96 
98  void onContent(const cxxtools::xml::Node& node);
99 
101  void onEndElement(const cxxtools::xml::Node& node);
102 
103  private:
105  cxxtools::xml::XmlReader* _reader;
106 
108  std::auto_ptr<cxxtools::xml::XmlReader> _deleter;
109 
111  typedef void (XmlDeserializer::*ProcessNode)(const cxxtools::xml::Node&);
112 
114  ProcessNode _processNode;
115 
116  size_t _startDepth;
117 
119  cxxtools::String _nodeName;
120 
121  cxxtools::String _nodeId;
122 
123  cxxtools::String _nodeType;
124 
125  cxxtools::String _nodeCategory;
126 
127  SerializationInfo::Category nodeCategory() const;
128 
129  };
130 
131 } // namespace xml
132 
133 } // namespace cxxtools
134 
135 #endif