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dft_tools/triqs/utility/serialization.hpp

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/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2012 by M. Ferrero, O. Parcollet
*
* TRIQS 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.
*
* TRIQS 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
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#ifndef TRIQS_SERIAL_H
#define TRIQS_SERIAL_H
#include <triqs/utility/first_include.hpp>
#include <triqs/utility/view_tools.hpp>
//#include <vector>
//#include <string>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/device/back_inserter.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/serialization/complex.hpp>
#include <boost/serialization/vector.hpp>
#include <boost/serialization/string.hpp>
namespace triqs {
// serialize obj into an std::string
template <typename T> std::string serialize (T const & obj) {
std::string serial_str;
boost::iostreams::back_insert_device<std::string> inserter(serial_str);
boost::iostreams::stream<boost::iostreams::back_insert_device<std::string> > s(inserter);
//boost::archive::binary_oarchive oa(s);
boost::archive::text_oarchive oa(s);
oa << obj;
s.flush();
return serial_str;
}
template <typename T> T deserialize (std::string const & serial_str) {
T obj;
// wrap buffer inside a stream and deserialize serial_str into obj
boost::iostreams::basic_array_source<char> device(serial_str.data(), serial_str.size());
boost::iostreams::stream<boost::iostreams::basic_array_source<char> > s(device);
//boost::archive::binary_iarchive ia(s);
boost::archive::text_iarchive ia(s);
ia >> obj;
return obj;
}
template <typename T> void deserialize_into_view (std::string const & serial_str, T & x) {
typename non_view_type_if_exists_else_type<T>::type obj;
// wrap buffer inside a stream and deserialize serial_str into obj
boost::iostreams::basic_array_source<char> device(serial_str.data(), serial_str.size());
boost::iostreams::stream<boost::iostreams::basic_array_source<char> > s(device);
boost::archive::text_iarchive ia(s);
//boost::archive::binary_iarchive ia(s);
ia >> obj;
x= typename view_type_if_exists_else_type<T>::type (obj);
}
}
#endif