File indexing completed on 2024-04-28 03:40:47

 /*************************************************************************************
  *  Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org>                               *
  *                                                                                   *
  *  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 VARIABLES_H
 #define VARIABLES_H
 
 #include <qobjectdefs.h>
 #include <QHash>
 
 #include "analitzaexport.h"
 
 namespace Analitza
 {
 
 class Cn;
 class Expression;
 class Object;
 
 
 /**
  * \class Variables
  * 
  * \ingroup AnalitzaModule
  *
  * \brief Stores the variables in a hash map and make them available.
  */
 
 class ANALITZA_EXPORT Variables : public QHash<QString, Object*>
 {
     Q_GADGET
     public:
         /** 
         *    Creates an empty variable hash table with the usual constants
         */
         Variables();
         
         /**
         *    Copy constructor, copies the old one, a bit heavy, be careful.
         */
         Variables(const Variables& v);
         
         /** Destroys the object */
         ~Variables();
         
         /**
         *    Modifies the value of the variable called @p name,
         *    and if didn't exist, a @p name variable is created with an @p o value.
         */
         void modify(const QString& name, const Object* o);
         
         /**
         *    Modifies the value of the variable called @p name,
         *    and if didn't exist, a @p name variable is created with an @p e expression.
         */
         void modify(const QString& name, const Expression& o);
         
         /**
         *    The same as the last one but having @p d as a value for @p name.
         */
         Cn* modify(const QString& name, const double& d);
         
         /**
         *    The @p orig named variable will be called @p dest , then @p orig will be removed.
         */
         void rename(const QString& orig, const QString& dest);
         
         /**
          * Adds again the initial constants
          */
         void initializeConstants();
         
         /** @returns the expression contained by the @p name identifier. */
         Expression valueExpression(const QString& name) const;
          
         QString toString() const;
 };
 
 }
 
 #endif