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 * 00032 * License along with this library; if not, write to the Free Software * 00033 * Foundation, Inc., 59 Temple Place, * 00034 * Suite 330, Boston, MA 02111-1307 USA * 00035 * * 00036 ***************************************************************************/ 00037 00038 00039 #ifndef ORO_COMMAND_DATASOURCE_HPP 00040 #define ORO_COMMAND_DATASOURCE_HPP 00041 00042 #include "DataSource.hpp" 00043 #include "CommandInterface.hpp" 00044 00045 namespace RTT 00046 { 00050 struct CommandDataSource : 00051 public CommandInterface 00052 { 00053 DataSourceBase::shared_ptr _dsb; 00054 CommandDataSource( DataSourceBase::shared_ptr dsb ) 00055 : _dsb(dsb) {} 00056 00057 void readArguments() 00058 { 00059 _dsb->evaluate(); 00060 } 00061 00062 bool execute() { 00063 return true; 00064 } 00065 00066 void reset() { 00067 _dsb->reset(); 00068 } 00069 00070 CommandInterface* clone() const { 00071 return new CommandDataSource( _dsb ); 00072 } 00073 00074 CommandInterface* copy( std::map<const DataSourceBase*, DataSourceBase*>& alreadyCloned ) const { 00075 return new CommandDataSource( _dsb->copy( alreadyCloned ) ); 00076 } 00077 00078 }; 00079 00083 struct CommandDataSourceBool : 00084 public CommandInterface 00085 { 00086 DataSource<bool>::shared_ptr _dsb; 00087 CommandDataSourceBool( DataSource<bool>::shared_ptr dsb ) 00088 : _dsb(dsb) {} 00089 00090 void readArguments() 00091 { 00092 _dsb->evaluate(); 00093 } 00094 00095 bool execute() { 00096 return _dsb->value(); 00097 } 00098 void reset() { 00099 _dsb->reset(); 00100 } 00101 CommandInterface* clone() const { 00102 return new CommandDataSourceBool( _dsb ); 00103 } 00104 00105 CommandInterface* copy( std::map<const DataSourceBase*, DataSourceBase*>& alreadyCloned ) const { 00106 return new CommandDataSourceBool( _dsb->copy( alreadyCloned ) ); 00107 } 00108 00109 }; 00110 00111 } 00112 00113 #endif