Orocos Real-Time Toolkit  2.5.0
ConditionComposite.hpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Mon Jan 19 14:11:21 CET 2004  ConditionComposite.hpp
00003 
00004                         ConditionComposite.hpp -  description
00005                            -------------------
00006     begin                : Mon January 19 2004
00007     copyright            : (C) 2004 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.ac.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 #ifndef CONDITIONCOMPOSITE_HPP
00039 #define CONDITIONCOMPOSITE_HPP
00040 
00041 #include "rtt-scripting-config.h"
00042 #include "ConditionInterface.hpp"
00043 
00044 namespace RTT { namespace scripting {
00045 
00046 
00050   class RTT_SCRIPTING_API ConditionBinaryCompositeAND
00051     : public ConditionInterface
00052   {
00053     ConditionInterface* lhs;
00054     ConditionInterface* rhs;
00055   public:
00061     ConditionBinaryCompositeAND( ConditionInterface* l, ConditionInterface* r )
00062       : lhs( l ), rhs( r )
00063       {
00064       }
00065 
00066     virtual ConditionInterface* clone() const
00067       {
00068         return new ConditionBinaryCompositeAND( lhs->clone(), rhs->clone() );
00069       }
00070 
00071       ConditionBinaryCompositeAND* copy( std::map<const base::DataSourceBase*, base::DataSourceBase*>& alreadyCloned ) const {
00072           return new ConditionBinaryCompositeAND(lhs->copy(alreadyCloned),rhs->copy(alreadyCloned));
00073       }
00074 
00075     virtual ~ConditionBinaryCompositeAND() {
00076       delete lhs;
00077       delete rhs;
00078     }
00079 
00080     virtual bool evaluate() {
00081         if ( lhs->evaluate() )
00082             if ( rhs->evaluate() )
00083                 return true;
00084         return false;
00085     }
00086 
00087     virtual void reset()
00088       {
00089         lhs->reset();
00090         rhs->reset();
00091       }
00092   };
00093 
00094     /*
00095      * Compose an 'OR' function of two Conditions.
00096      */
00097   class RTT_SCRIPTING_API ConditionBinaryCompositeOR
00098     : public ConditionInterface
00099   {
00100     ConditionInterface* lhs;
00101     ConditionInterface* rhs;
00102   public:
00108     ConditionBinaryCompositeOR( ConditionInterface* l, ConditionInterface* r )
00109       : lhs( l ), rhs( r )
00110       {
00111       }
00112 
00113     virtual ConditionInterface* clone() const
00114       {
00115         return new ConditionBinaryCompositeOR( lhs->clone(), rhs->clone() );
00116       }
00117 
00118       ConditionBinaryCompositeOR* copy( std::map<const base::DataSourceBase*, base::DataSourceBase*>& alreadyCloned ) const {
00119           return new ConditionBinaryCompositeOR(lhs->copy(alreadyCloned),rhs->copy(alreadyCloned));
00120       }
00121 
00122     virtual ~ConditionBinaryCompositeOR() {
00123       delete lhs;
00124       delete rhs;
00125     }
00126 
00127     virtual bool evaluate() {
00128         if ( lhs->evaluate() )
00129             return true;
00130         if ( rhs->evaluate() )
00131             return true;
00132         return false;
00133     }
00134 
00135     virtual void reset()
00136       {
00137         lhs->reset();
00138         rhs->reset();
00139       }
00140   };
00141 
00142   class RTT_SCRIPTING_API ConditionCompositeNOT
00143     : public ConditionInterface
00144   {
00145     ConditionInterface* cond;
00146   public:
00147     ConditionCompositeNOT( ConditionInterface* c )
00148       : cond( c )
00149       {
00150       }
00151     ~ConditionCompositeNOT();
00152     bool evaluate();
00153     ConditionCompositeNOT* clone() const;
00154     ConditionCompositeNOT* copy( std::map<const base::DataSourceBase*, base::DataSourceBase*>& alreadyCloned ) const;
00155     void reset();
00156   };
00157 }}
00158 
00159 #endif