configuration/include/runtimeparametersetters.h

/********************************************************************************
 *  FARSA - Total99                                                             *
 *  Copyright (C) 2008-2012 Tomassino Ferrauto <t_ferrauto@yahoo.it>            *
 *                                                                              *
 *  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 St, Fifth Floor, Boston, MA  02110-1301  USA  *
 ********************************************************************************/

#ifndef RUNTIME_PARAMETER_SETTERS_H
#define RUNTIME_PARAMETER_SETTERS_H

#include "configurationconfig.h"

namespace farsa {

class FARSA_CONF_API RuntimeParameterSetter {
public:
    RuntimeParameterSetter( QString name, int ) : name(name), type("Int") { /* nothing to do */ };
    RuntimeParameterSetter( QString name, unsigned int ) : name(name), type("Unsigned Int") { /* nothing to do */ };
    RuntimeParameterSetter( QString name, double ) : name(name), type("Double") { /* nothing to do */ };
    RuntimeParameterSetter( QString name, float ) : name(name), type("Float") { /* nothing to do */ };
    RuntimeParameterSetter( QString name, bool ) : name(name), type("Boolean") { /* nothing to do */ };
    virtual ~RuntimeParameterSetter() { /* nothing to do */ };
    virtual int set( int newvalue );
    virtual unsigned int set( unsigned int newvalue );
    virtual double set( double newvalue );
    virtual float set( float newvalue );
    virtual bool set( bool newvalue );
    QString getName() { return name; };
    QString getType() { return type; };
protected:
    const QString name;
    const QString type;
};

template<typename H>
class FARSA_CONF_TEMPLATE PointerSetter : public RuntimeParameterSetter {
public:
    PointerSetter( H* pointer, QString name )
        : RuntimeParameterSetter( name, H() ),
          pparam(pointer) { /* nothing else to do */ };
    H set( H newvalue ) {
        (*pparam) = newvalue;
        return *pparam;
    };
private:
    H* pparam;
};

template<class T, typename H>
class FARSA_CONF_TEMPLATE MethodSetter : public RuntimeParameterSetter {
public:
    MethodSetter( T* owner, void (T::*setter)(H), H (T::*getter)()const, QString name )
        : RuntimeParameterSetter( name, H() ),
          owner(owner),
          setter(setter) { /*nothing else to do*/ };
    H set( H newvalue ) {
        (owner->*setter)( newvalue );
        return (owner->*getter)();
    };
private:
    T* owner;
    void (T::*setter)(H);
    H (T::*getter)()const;
};

} // end namespace farsa

#endif