/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 Wikki Ltd
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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 "fa.H"
#include "HashTable.H"

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

namespace Foam
{

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

namespace fa
{

// * * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * //

template<class Type>
tmp<gradScheme<Type>> gradScheme<Type>::New
(
    const faMesh& mesh,
    Istream& schemeData
)
{
    if (fa::debug)
    {
        InfoInFunction
            << "constructing gradScheme<Type>"
            << endl;
    }

    if (schemeData.eof())
    {
        FatalIOErrorInFunction(schemeData)
            << "Grad scheme not specified" << nl << nl
            << "Valid grad schemes are :" << nl
            << IstreamConstructorTablePtr_->sortedToc()
            << exit(FatalIOError);
    }

    const word schemeName(schemeData);

    auto cstrIter = IstreamConstructorTablePtr_->cfind(schemeName);

    if (!cstrIter.found())
    {
        FatalIOErrorInLookup
        (
            schemeData,
            "grad",
            schemeName,
            *IstreamConstructorTablePtr_
        ) << exit(FatalIOError);
    }

    return cstrIter()(mesh, schemeData);
}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

template<class Type>
gradScheme<Type>::~gradScheme()
{}


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

} // End namespace fa

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

} // End namespace Foam

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