INew.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011 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/>.
 
Class
    Foam::INew
 
Description
    A helper class when constructing from an Istream or dictionary
 
\*---------------------------------------------------------------------------*/
 
#ifndef INew_H
#define INew_H
 
#include "autoPtr.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declarations
class Istream;
 
/*---------------------------------------------------------------------------*\
                           Class INew Declaration
\*---------------------------------------------------------------------------*/
 
template<class T>
class INew
{
public:
 
    //- Construct null
    INew()
    {}
 
    //- New from Istream
    autoPtr<T> operator()(Istream& is) const
    {
        return T::New(is);
    }
 
    //- New from word (unused) and Istream
    autoPtr<T> operator()(const word&, Istream& is) const
    {
        return T::New(is);
    }
 
    //- New from dictionary
    autoPtr<T> operator()(const dictionary& dict) const
    {
        return T::New(dict);
    }
 
    //- New from word (unused) and dictionary
    autoPtr<T> operator()(const word&, const dictionary& dict) const
    {
        return T::New(dict);
    }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //