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flightgear/src/Autopilot/flipflop.hxx

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// flipflop.hxx - implementation of multiple flip flop types
//
// Written by Torsten Dreyer
//
// Copyright (C) 2010 Torsten Dreyer - Torsten (at) t3r (dot) de
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#ifndef __FLIPFLOPCOMPONENT_HXX
#define __FLIPFLOPCOMPONENT_HXX 1
#include "logic.hxx"
namespace FGXMLAutopilot {
class FlipFlopImplementation : public SGReferenced {
protected:
virtual bool configure( const std::string & nodeName, SGPropertyNode_ptr configNode ) { return false; }
public:
virtual bool getState( double dt, DigitalComponent::InputMap input, bool & q ) { return false; }
bool configure( SGPropertyNode_ptr configNode );
};
/**
* @brief A simple flipflop implementation
*/
class FlipFlop : public Logic {
public:
protected:
/**
* @brief Over-rideable hook method to allow derived classes to refine top-level
* node parsing.
* @param aName
* @param aNode
* @return true if the node was handled, false otherwise.
*/
virtual bool configure( const std::string & nodeName, SGPropertyNode_ptr configNode );
void update( bool firstTime, double dt );
private:
SGSharedPtr<FlipFlopImplementation> _implementation;
};
}
#endif // FLIPFLOPCOMPONENT_HXX