dataio.hh

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// SPDX-FileCopyrightText: Copyright © DUNE-FUFEM Project contributors, see file AUTHORS.md
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
 
#ifndef DATAIO_HH
#define DATAIO_HH
 
 
#ifdef HAVE_BOOST_SERIALIZATION
 
#include <fstream>
 
#include <dune/common/exceptions.hh>
 
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
 
 
class DataIO
{
    public:
        enum FileFormat { BINARY, ASCII, XML };
 
        template <class DataContainer>
        static void writeData(const DataContainer& data, std::string filename, FileFormat format=BINARY)
        {
            std::ofstream ofs(filename.c_str());
 
 
            switch (format) {
                case BINARY:
                {
                    boost::archive::binary_oarchive oa(ofs);
                    oa << data;
                    break;
                }
                case ASCII:
                {
                    boost::archive::text_oarchive oa(ofs);
                    oa << data;
                    break;
                }
                case XML:
                    DUNE_THROW(Dune::NotImplemented, "Serialized output in XML format not yet implemented.");
            }
        }
 
        template <class DataContainer>
        static void loadData(DataContainer& data, std::string filename, FileFormat format=BINARY)
        {
            std::ifstream ifs(filename.c_str());
 
            switch (format) {
                case BINARY:
                {
                    boost::archive::binary_iarchive ia(ifs);
                    ia >> data;
                    break;
                }
                case ASCII:
                {
                    boost::archive::text_iarchive ia(ifs);
                    ia >> data;
                    break;
                }
                case XML:
                    DUNE_THROW(Dune::NotImplemented, "Serialized output in XML format not yet implemented.");
            }
        }
};
 
#else
#warning dataio.hh was included but boost_serialization was not found !
#endif
 
#endif