Program Listing for File archive.hpp

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//
// Copyright (c) 2022 INRIA
//
#ifndef PROXSUITE_SERIALIZATION_ARCHIVE_HPP
#define PROXSUITE_SERIALIZATION_ARCHIVE_HPP

#include <fstream>
#include <string>

#include <cereal/cereal.hpp>
#include <cereal/archives/binary.hpp>
#include <cereal/archives/json.hpp>
#include <cereal/archives/xml.hpp>

namespace proxsuite {
namespace serialization {

template<typename T>
inline void
loadFromStringStream(T& object, std::istringstream& is)
{
  cereal::JSONInputArchive ia(is);
  ia(object);
}

template<typename T>
inline void
saveToStringStream(const T& object, std::stringstream& ss)
{
  cereal::JSONOutputArchive oa(ss);
  oa(object);
}

template<typename T>
inline void
loadFromString(T& object, const std::string& str)
{
  std::istringstream is(str);
  loadFromStringStream(object, is);
}

template<typename T>
inline std::string
saveToString(const T& object)
{
  std::stringstream ss;
  saveToStringStream(object, ss);
  return ss.str();
}

template<typename T>
inline void
loadFromBinary(T& object, const std::string& filename)
{
  std::ifstream ifs(filename.c_str(), std::ios::binary);
  if (ifs) {
    cereal::BinaryInputArchive ia(ifs);
    ia(object);
  } else {
    const std::string exception_message(filename +
                                        " does not seem to be a valid file.");
    throw std::invalid_argument(exception_message);
  }
}

template<typename T>
void
saveToBinary(const T& object, const std::string& filename)
{
  std::ofstream ofs(filename.c_str(), std::ios::binary);
  if (ofs) {
    cereal::BinaryOutputArchive oa(ofs);
    oa(object);
  } else {
    const std::string exception_message(filename +
                                        " does not seem to be a valid file.");
    throw std::invalid_argument(exception_message);
  }
}

template<typename T>
inline void
loadFromJSON(T& object, const std::string& filename)
{
  std::ifstream ifs(filename.c_str());
  if (ifs) {
    cereal::JSONInputArchive ia(ifs);
    ia(object);
  } else {
    const std::string exception_message(filename +
                                        " does not seem to be a valid file.");
    throw std::invalid_argument(exception_message);
  }
}

template<typename T>
void
saveToJSON(const T& object, const std::string& filename)
{
  std::ofstream ofs(filename.c_str());
  if (ofs) {
    cereal::JSONOutputArchive oa(ofs);
    oa(object);
  } else {
    const std::string exception_message(filename +
                                        " does not seem to be a valid file.");
    throw std::invalid_argument(exception_message);
  }
}

template<typename T>
inline void
loadFromXML(T& object, const std::string& filename)
{
  std::ifstream ifs(filename.c_str());
  if (ifs) {
    cereal::XMLInputArchive ia(ifs);
    ia(object);
  } else {
    const std::string exception_message(filename +
                                        " does not seem to be a valid file.");
    throw std::invalid_argument(exception_message);
  }
}

template<typename T>
void
saveToXML(const T& object, const std::string& filename)
{
  std::ofstream ofs(filename.c_str());
  if (ofs) {
    cereal::XMLOutputArchive oa(ofs);
    oa(object);
  } else {
    const std::string exception_message(filename +
                                        " does not seem to be a valid file.");
    throw std::invalid_argument(exception_message);
  }
}

}
}

#endif /* end of include guard PROXSUITE_SERIALIZATION_ARCHIVE_HPP */