meshedSurf.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    Copyright (C) 2016-2022 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM 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.
 
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    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::meshedSurf
 
Description
    Abstract definition of a meshed surface defined by faces and points.
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_meshedSurf_H
#define Foam_meshedSurf_H
 
#include "pointField.H"
#include "faceList.H"
#include "labelList.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class meshedSurf Declaration
\*---------------------------------------------------------------------------*/
 
class meshedSurf
{
public:
 
    // Forward Declarations
    class emptySurface;
 
 
    // Constructors
 
        //- Default construct
        constexpr meshedSurf() noexcept = default;
 
 
    //- Destructor
    virtual ~meshedSurf() = default;
 
 
    // Member Functions
 
        //- The points used for the surface
        virtual const pointField& points() const = 0;
 
        //- The faces used for the surface
        virtual const faceList& faces() const = 0;
 
        //- Per-face zone/region information.
        //  Default is zero-sizes (ie, no zone information)
        virtual const labelList& zoneIds() const
        {
            return labelList::null();
        }
 
        //- Per-face identifier (eg, element Id)
        virtual const labelList& faceIds() const
        {
            return labelList::null();
        }
};
 
 
/*---------------------------------------------------------------------------*\
                  Class meshedSurf::emptySurface Declaration
\*---------------------------------------------------------------------------*/
 
//- A concrete meshedSurf class without faces, points, etc.
class meshedSurf::emptySurface
:
    public meshedSurf
{
public:
 
    // Constructors
 
        //- Default construct
        constexpr emptySurface() noexcept = default;
 
 
    //- Destructor
    virtual ~emptySurface() = default;
 
 
    // Member Functions
 
        //- Zero-sized point field
        virtual const pointField& points() const
        {
            return pointField::null();
        }
 
        //- Zero-sized face list
        virtual const faceList& faces() const
        {
            return faceList::null();
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //