BoundaryExpression.hpp

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//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2001, 2002, 2003 Stéphane Del Pino

//  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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

//  $Id: BoundaryExpression.hpp,v 1.8 2007/12/19 00:45:45 delpinux Exp $

#ifndef BOUNDARY_EXPRESSION_HPP
#define BOUNDARY_EXPRESSION_HPP

#include <Expression.hpp>

#include <Vector3Expression.hpp>
#include <Variable.hpp>

#include <list>

class Boundary;

class BoundaryExpression
  : public Expression
{
public:
  enum BoundaryType {
    undefined,
    surfaceMesh,
    povray,
    references,
    list,
    variable
  };

private:
  BoundaryExpression::BoundaryType
  __boundaryType;               
protected:
  ReferenceCounting<Boundary>
  __boundary;                   
public:
  virtual bool hasPOVBoundary() const = 0;

  virtual bool hasPredefinedBoundary() const = 0;

  const BoundaryExpression::BoundaryType& boundaryType() const
  {
    return __boundaryType;
  }

  ReferenceCounting<Boundary> boundary();

  BoundaryExpression(const BoundaryExpression& e);

  BoundaryExpression(const BoundaryExpression::BoundaryType& t);

  virtual ~BoundaryExpression();
};

#endif // BOUNDARY_EXPRESSION_HPP

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