make dist fix
[libt2n] / src / container.hxx
1 /***************************************************************************
2  *   Copyright (C) 2006 by Gerd v. Egidy                                   *
3  *   gve@intra2net.com                                                     *
4  *                                                                         *
5  *   This library is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU Lesser General Public License version   *
7  *   2.1 as published by the Free Software Foundation.                     *
8  *                                                                         *
9  *   This library is distributed in the hope that it will be useful,       *
10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
12  *   GNU Lesser General Public License for more details.                   *
13  *                                                                         *
14  *   You should have received a copy of the GNU Lesser General Public      *
15  *   License along with this program; if not, write to the                 *
16  *   Free Software Foundation, Inc.,                                       *
17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
18  ***************************************************************************/
19 #ifndef __LIBT2N_CONTAINER
20 #define __LIBT2N_CONTAINER
21
22 #include <boost/archive/binary_oarchive.hpp>
23 #include <boost/archive/binary_iarchive.hpp>
24 #include <boost/archive/xml_oarchive.hpp>
25 #include <boost/archive/xml_iarchive.hpp>
26 #include <boost/serialization/serialization.hpp>
27
28 #include "command.hxx"
29 #include "t2n_exception.hxx"
30
31 #include <iostream>
32
33 namespace libt2n
34 {
35
36 /** @brief contains the result (return value or exception) of a executed command
37 */
38 class result_container
39 {
40     private:
41         enum result_type_t { regular, exception } result_type;
42
43         result *res;
44         t2n_exception *ex;
45
46         friend class boost::serialization::access;
47         template<class Archive>
48         void serialize(Archive & ar, const unsigned int version);
49
50     public:
51         result_container()
52             { res=0; ex=0; }
53
54         result_container(result *_res)
55             { set_result(_res); }
56         result_container(t2n_exception *_ex)
57             { set_exception(_ex); }
58
59         ~result_container();
60
61         void set_result(result *_res)
62             { res=_res; ex=0; result_type=regular; }
63         void set_exception(t2n_exception *_ex)
64             { res=0; ex=_ex; result_type=exception; }
65
66         result* get_result(void);
67
68         bool has_exception()
69             { return (result_type==exception); }
70         bool has_result()
71             { return (result_type==regular); }
72 };
73
74 /** @brief contains a command
75 */
76 class command_container
77 {
78     private:
79         command *cmd;
80
81         friend class boost::serialization::access;
82         template<class Archive>
83         void serialize(Archive & ar, const unsigned int version);
84
85     public:
86         command_container()
87             { cmd=0; }
88         command_container(command *_cmd)
89             { cmd=_cmd; }
90
91         ~command_container();
92
93         /// return the contained command
94         command* get_command()
95             { return cmd; }
96 };
97
98 } // namespace libt2n
99
100 BOOST_CLASS_TRACKING(libt2n::result_container, boost::serialization::track_never)
101 BOOST_CLASS_TRACKING(libt2n::command_container, boost::serialization::track_never)
102
103 #endif
104