developer.intra2net.com Git - libt2n/blob - 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 as libt2n::result or an libt2n::t2n_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 libt2n::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