IStringStream.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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::IStringStream
 
Description
    Input from memory buffer stream.
 
SourceFiles
    StringStreamsPrint.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef IStringStream_H
#define IStringStream_H
 
#include "ISstream.H"
#include <sstream>
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                        Class IStringStream Declaration
\*---------------------------------------------------------------------------*/
 
class IStringStream
:
    public ISstream
{
 
public:
 
    // Constructors
 
        //- Construct from string
        IStringStream
        (
            const string& buffer,
            streamFormat format=ASCII,
            versionNumber version=currentVersion
        )
        :
            ISstream
            (
                *(new std::istringstream(buffer)),
                "IStringStream.sourceFile",
                format,
                version
            )
        {}
 
 
        //- Construct from string and name
        IStringStream
        (
            const string& name,
            const string& buffer,
            streamFormat format=ASCII,
            versionNumber version=currentVersion
        )
        :
            ISstream
            (
                *(new std::istringstream(buffer)),
                name,
                format,
                version
            )
        {}
 
 
        //- Construct from char*
        IStringStream
        (
            const char* buffer,
            streamFormat format=ASCII,
            versionNumber version=currentVersion
        )
        :
            ISstream
            (
                *(new std::istringstream(buffer)),
                "IStringStream.sourceFile",
                format,
                version
            )
        {}
 
 
    //- Destructor
    ~IStringStream()
    {
        delete &dynamic_cast<std::istringstream&>(stdStream());
    }
 
 
    // Member Functions
 
        // Access
 
            //- Return the string
            string str() const
            {
                return dynamic_cast<const std::istringstream&>
                (
                    stdStream()
                ).str();
            }
 
 
        // Print
 
            //- Print description to Ostream
            void print(Ostream&) const;
 
 
    // Member Operators
 
        //- Return a non-const reference to const Istream
        //  Needed for read-constructors where the stream argument is temporary:
        //  e.g. thing thisThing(IFstream("thingFileName")());
        Istream& operator()() const
        {
            return const_cast<IStringStream&>(*this);
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //