Orocos Real-Time Toolkit  2.5.0
CommandDataSource.hpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Wed Jan 18 14:11:38 CET 2006  CommandDataSource.hpp
00003 
00004                         CommandDataSource.hpp -  description
00005                            -------------------
00006     begin                : Wed January 18 2006
00007     copyright            : (C) 2006 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.be
00009 
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
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00033  *   Foundation, Inc., 59 Temple Place,                                    *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 #ifndef ORO_COMMAND_DATASOURCE_HPP
00040 #define ORO_COMMAND_DATASOURCE_HPP
00041 
00042 #include "../internal/DataSource.hpp"
00043 #include "../base/ActionInterface.hpp"
00044 
00045 namespace RTT
00046 { namespace scripting {
00047 
00051     struct CommandDataSource :
00052         public base::ActionInterface
00053     {
00054         base::DataSourceBase::shared_ptr _dsb;
00055         CommandDataSource( base::DataSourceBase::shared_ptr dsb )
00056             : _dsb(dsb) {}
00057 
00058         void readArguments()
00059         {
00060             _dsb->evaluate();
00061         }
00062 
00063         bool execute() {
00064             return true;
00065         }
00066 
00067         void reset() {
00068             _dsb->reset();
00069         }
00070 
00071         base::ActionInterface* clone() const {
00072             return new CommandDataSource( _dsb );
00073         }
00074 
00075         base::ActionInterface* copy( std::map<const base::DataSourceBase*, base::DataSourceBase*>& alreadyCloned ) const {
00076             return new CommandDataSource( _dsb->copy( alreadyCloned ) );
00077         }
00078 
00079     };
00080 
00084     struct CommandDataSourceBool :
00085         public base::ActionInterface
00086     {
00087         internal::DataSource<bool>::shared_ptr _dsb;
00088         CommandDataSourceBool( internal::DataSource<bool>::shared_ptr dsb )
00089             : _dsb(dsb) {}
00090 
00091         void readArguments()
00092         {
00093             _dsb->evaluate();
00094         }
00095 
00096         bool execute() {
00097             return _dsb->value();
00098         }
00099         void reset() {
00100             _dsb->reset();
00101         }
00102         base::ActionInterface* clone() const {
00103             return new CommandDataSourceBool( _dsb );
00104         }
00105 
00106         base::ActionInterface* copy( std::map<const base::DataSourceBase*, base::DataSourceBase*>& alreadyCloned ) const {
00107             return new CommandDataSourceBool( _dsb->copy( alreadyCloned ) );
00108         }
00109 
00110     };
00111 
00112 }}
00113 
00114 #endif