#ifndef RSG_TEXT_OARCHIVE_HPP
#define RSG_TEXT_OARCHIVE_HPP

// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif

#include <iostream>
#include <ostream>
#include <boost/archive/archive_exception.hpp>
#include <boost/archive/text_oarchive.hpp>

template<class Archive>
class rsg_text_oarchive_impl :
  // don't derive from text_oarchive !!!
  public boost::archive::text_oarchive_impl<Archive>
{
    typedef rsg_text_oarchive_impl derived_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
    friend class boost::archive::basic_text_oarchive<rsg_text_oarchive_impl<Archive> >;
    friend class boost::archive::basic_text_oprimitive<std::ostream>;
    friend class boost::archive::save_access;
#endif
public:
    rsg_text_oarchive_impl(std::ostream & os, unsigned int flags = 0) :
        boost::archive::text_oarchive_impl<Archive>(
            os,
            flags | boost::archive::no_header // skip default header checking
        )
    {
      // use our own header checking
      if (0 == (flags & boost::archive::no_header)){
          os << "<!-- RSG Text Archive -->" << std::endl;
          this->boost::archive::basic_text_oarchive<Archive>::init();
      }
    }
};

class rsg_text_oarchive :
    // don't derive from text_oarchive !!!
    public rsg_text_oarchive_impl<rsg_text_oarchive>
{
public:
  rsg_text_oarchive(std::ostream& os, unsigned int flags = 0) :
      rsg_text_oarchive_impl<rsg_text_oarchive>(os, flags) {}
};

#include <boost/archive/impl/basic_text_oarchive.ipp>
#include <boost/archive/impl/archive_pointer_oserializer.ipp>
#include <boost/archive/impl/basic_text_oprimitive.ipp>

namespace boost {
namespace archive {

// explicitly instantiate for this type of text stream
template class basic_text_oarchive<rsg_text_oarchive> ;
template class basic_text_oprimitive<std::ostream> ;
template class text_oarchive_impl<rsg_text_oarchive> ;
template class detail::archive_pointer_oserializer<rsg_text_oarchive> ;

} // namespace archive
} // namespace boost

#define BOOST_ARCHIVE_CUSTOM_OARCHIVE_TYPES rsg_text_oarchive

#endif // RSG_TEXT_OARCHIVE_HPP