#include <iostream>
#include <sstream>
#include <string>
#include <boost/archive/xml_iarchive.hpp>

void f(const std::string& xml)
{
  try
  {
    std::string str;
    boost::archive::xml_iarchive(std::istringstream(xml)) 
      >> boost::serialization::make_nvp("str", str);
    std::cout << str << std::endl;
  }
  catch(boost::archive::archive_exception& e)
  {
    std::cout << e.what() << std::endl;
  }
}

int main()
{
  // deserialize some xml, which was created using xml_oarchive

  f("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\" ?>"
    "<!DOCTYPE boost_serialization>"
    "<boost_serialization signature=\"serialization::archive\" version=\"7\">"
    "<str>deserialize successfull</str>"
    "</boost_serialization>");

  // the same xml, but attributes of <boost_serialization> reorderd

  f("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\" ?>"
    "<!DOCTYPE boost_serialization>"
    "<boost_serialization version=\"7\" signature=\"serialization::archive\">"
    "<str>deserialize successfull</str>"
    "</boost_serialization>");

  return 0;
}