schroot-base-option-action.h

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00001 /* Copyright © 2006-2007  Roger Leigh <rleigh@debian.org>
00002  *
00003  * schroot is free software; you can redistribute it and/or modify it
00004  * under the terms of the GNU General Public License as published by
00005  * the Free Software Foundation; either version 2 of the License, or
00006  * (at your option) any later version.
00007  *
00008  * schroot is distributed in the hope that it will be useful, but
00009  * WITHOUT ANY WARRANTY; without even the implied warranty of
00010  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011  * General Public License for more details.
00012  *
00013  * You should have received a copy of the GNU General Public License
00014  * along with this program; if not, write to the Free Software
00015  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
00016  * MA  02111-1307  USA
00017  *
00018  *********************************************************************/
00019 
00020 #ifndef SCHROOT_BASE_OPTION_ACTION_H
00021 #define SCHROOT_BASE_OPTION_ACTION_H
00022 
00023 #include <set>
00024 #include <string>
00025 
00026 namespace schroot_base
00027 {
00028 
00037   class option_action
00038   {
00039   public:
00040     typedef std::string action_type;
00041 
00043     option_action ();
00044 
00046     virtual ~option_action ();
00047 
00053     void
00054     add (action_type const& action);
00055 
00056     /*
00057      * Get the default action.
00058      * @returns the default action, or an empty string if no default
00059      * action has been set.
00060      */
00061     action_type const&
00062     get_default ();
00063 
00068     void
00069     set_default (action_type const& action);
00070 
00071     /*
00072      * Get the action to perform.
00073      * @returns the action, or the default action if no action has
00074      * been set, or an empty string if no default action has been set.
00075      */
00076     action_type const&
00077     get ();
00078 
00086     void
00087     set (action_type const& action);
00088 
00094     bool
00095     valid (action_type const& action);
00096 
00097     option_action& operator = (action_type const& action)
00098     {
00099       set(action);
00100       return *this;
00101     }
00102 
00103     bool operator == (action_type const& action)
00104     {
00105       if (get() == action)
00106         return true;
00107       else
00108         return false;
00109     }
00110 
00111     bool operator != (action_type const& action)
00112     {
00113       return !(*this == action);
00114     }
00115 
00116   private:
00118     typedef std::set<std::string> action_set;
00119 
00121     std::string default_action;
00122 
00124     std::string current_action;
00125 
00127     action_set  actions;
00128   };
00129 
00130 }
00131 
00132 #endif /* SCHROOT_BASE_OPTION_ACTION_H */
00133 
00134 /*
00135  * Local Variables:
00136  * mode:C++
00137  * End:
00138  */

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