labelledPoint.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | cfMesh: A library for mesh generation
   \\    /   O peration     |
    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
-------------------------------------------------------------------------------
License
    This file is part of cfMesh.
 
    cfMesh 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 3 of the License, or (at your
    option) any later version.
 
    cfMesh 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 cfMesh.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    labelledPoint
 
Description
    A class containing point label and its coordinates. It is used for
    exchanging data over processors
 
SourceFiles
 
\*---------------------------------------------------------------------------*/
 
#ifndef labelledPoint_H
#define labelledPoint_H
 
#include "label.H"
#include "point.H"
#include "contiguous.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class labelledPoint Declaration
\*---------------------------------------------------------------------------*/
    
class labelledPoint
{
    // Private data
        //- point label
        label pLabel_;
    
        //- point coordinates
        point coords_;
    
    public:
        
    // Constructors
        //- Null construct
        labelledPoint()
        :
            pLabel_(-1),
            coords_(vector::zero)
        {}
        
        //- Construct from point and label
        labelledPoint(const label pl, const point& p)
        :
            pLabel_(pl),
            coords_(p)
        {}
            
    // Destructor
        ~labelledPoint()
        {}
            
    // Member functions
        //- return point label
        inline label pointLabel() const
        {
            return pLabel_;
        }
        
        inline label& pointLabel()
        {
            return pLabel_;
        }
        
        //- return point coordinates
        inline const point& coordinates() const
        {
            return coords_;
        }
        
        inline point& coordinates()
        {
            return coords_;
        }
        
    // Member operators
        
        inline void operator=(const labelledPoint& lp)
        {
            pLabel_ = lp.pLabel_;
            coords_ = lp.coords_;
        }
        
        inline bool operator==(const labelledPoint& lp) const
        {
            if( pLabel_ == lp.pLabel_ )
                return true;
            
            return false;
        }
        
        inline bool operator!=(const labelledPoint& lp) const
        {
            return !this->operator==(lp);
        }
        
    // Friend operators
        friend Ostream& operator<<(Ostream& os, const labelledPoint& lp)
        {
            os << token::BEGIN_LIST;
            os << lp.pLabel_ << token::SPACE;
            os << lp.coords_ << token::END_LIST;
 
            // Check state of Ostream
            os.check("operator<<(Ostream&, const labelledPoint&");
 
            return os;
        }
        
        friend Istream& operator>>(Istream& is, labelledPoint& lp)
        {
            // Read beginning of labelledPoint
            is.readBegin("labelledPoint");
        
            is >> lp.pLabel_;
            is >> lp.coords_;
            
            // Read end of labelledPoint
            is.readEnd("labelledPoint");
        
            // Check state of Istream
            is.check("operator>>(Istream&, labelledPoint");
            
            return is;
        }
};
 
//- Specify data associated with labelledPoint type is contiguous
template<>
inline bool contiguous<labelledPoint>() {return true;}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //