1 /**
2  *
3  *   Copyright (c) 2005-2021 by Pierre-Henri WUILLEMIN(_at_LIP6) & Christophe GONZALES(_at_AMU)
4  *   info_at_agrum_dot_org
5  *
6  *  This library is free software: you can redistribute it and/or modify
7  *  it under the terms of the GNU Lesser General Public License as published by
8  *  the Free Software Foundation, either version 3 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This library is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU Lesser General Public License for more details.
15  *
16  *  You should have received a copy of the GNU Lesser General Public License
17  *  along with this library.  If not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 
22 /**
23  * @file
24  * @brief Definition file for UAI exportation class
25  *
26  * Writes a bayes net in UAI format
27  *
28  * @author Pierre-Henri WUILLEMIN(_at_LIP6) & Christophe GONZALES(_at_AMU)
29  */
30 
31 #ifndef UAI_BN_WRITER_H
32 #define UAI_BN_WRITER_H
33 
34 
35 #include <fstream>
36 #include <iostream>
37 #include <sstream>
38 #include <string>
39 
40 #include <agrum/BN/io/BNWriter.h>
41 #include <agrum/agrum.h>
42 
43 namespace gum {
44   /**
45    * @class UAIBNWriter UAIBNWriter.h
46    *<agrum/BN/io/UAI/UAIBNWriter.h>
47    * @ingroup bn_io
48    * @brief Writes an bayes net in a text file with UAI format
49    *
50    * This class export a bayes net into an text file, using UAI format
51    *
52    * cf. http://www.cs.huji.ac.il/project/PASCAL/fileFormat.php
53    *
54    */
55   template < typename GUM_SCALAR >
56   class UAIBNWriter: public BNWriter< GUM_SCALAR > {
57     public:
58     // ==========================================================================
59     /// @name Constructor & destructor
60     // ==========================================================================
61     /// @{
62 
63     /**
64      * Default constructor.
65      */
66     UAIBNWriter();
67 
68     /**
69      * Destructor.
70      */
71     ~UAIBNWriter();
72 
73     /// @}
74 
75     /**
76      * Writes an bayes net in the given ouput stream.
77      *
78      * @param output The output stream.
79      * @param bn The bayes net writen in the stream.
80      * @throws IOError Raised if an I/O error occurs.
81      */
82     void write(std::ostream& output, const IBayesNet< GUM_SCALAR >& bn) final;
83 
84     /**
85      * Writes an bayes net in the file referenced by filePath.
86      * If the file doesn't exists, it is created.
87      * If the file exists, it's content will be erased.
88      *
89      * @param filePath The path to the file used to write the bayes net.
90      * @param bn The bayes net writen in the file.
91      * @throw IOError Raised if an I/O error occurs.
92      */
93     void write(const std::string& filePath, const IBayesNet< GUM_SCALAR >& bn) final;
94 
95     private:
96     /**
97      * Returns the header of the BIF file.
98      */
99     std::string _preambule_(const IBayesNet< GUM_SCALAR >& bn);
100 
101     std::string _cptBloc_(const IBayesNet< GUM_SCALAR >& bn, NodeId node);
102   };
103 
104 
105 #ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
106   extern template class UAIBNWriter< double >;
107 #endif
108 
109 } /* namespace gum */
110 
111 #include <agrum/BN/io/UAI/UAIBNWriter_tpl.h>
112 #endif   // UAI_BN_WRITER_H
113