/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2016-2019 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
                            | Copyright (C) 2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
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.

    OpenFOAM 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 OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "volFields.H"
#include "surfaceFields.H"
#include "polySurfaceFields.H"

// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //

template<class Type, class FOType>
bool Foam::functionObjects::fieldsExpression::calcFieldTypes(FOType& fo)
{
    typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;
    typedef GeometricField<Type, fvsPatchField, surfaceMesh> SurfaceFieldType;
    typedef DimensionedField<Type, polySurfaceGeoMesh> SurfFieldType;

    if (foundObject<VolFieldType>(fieldNames_[0]))
    {
        return store
        (
            resultName_,
            fo.template calcFieldType<VolFieldType>()
        );
    }
    else if (foundObject<SurfaceFieldType>(fieldNames_[0]))
    {
        return store
        (
            resultName_,
            fo.template calcFieldType<SurfaceFieldType>()
        );
    }
    else if (foundObject<SurfFieldType>(fieldNames_[0]))
    {
        return store
        (
            resultName_,
            fo.template calcFieldType<SurfFieldType>()
        );
    }

    return false;
}


template<class Type, class FOType>
bool Foam::functionObjects::fieldsExpression::calcType(FOType& fo)
{
    return calcFieldTypes<Type>(fo);
}


template<class FOType>
bool Foam::functionObjects::fieldsExpression::calcAllTypes(FOType& fo)
{
    bool processed = false;

    processed = processed || fo.template calcType<scalar>(fo);
    processed = processed || fo.template calcType<vector>(fo);
    processed = processed || fo.template calcType<sphericalTensor>(fo);
    processed = processed || fo.template calcType<symmTensor>(fo);
    processed = processed || fo.template calcType<tensor>(fo);

    return processed;
}


// ************************************************************************* //