[Boost-users] Reduced example

Subject: [Boost-users] Reduced example
From: Alexander Gutenev (gutenev_at_[hidden])
Date: 2009-12-14 12:07:05

#include <string>
#include <sstream>
#include <boost/smart_ptr.hpp>
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/shared_ptr.hpp>
#include <boost/archive/xml_oarchive.hpp>
#include <boost/archive/xml_iarchive.hpp>

struct X
  : boost::enable_shared_from_this<X>
{
  X(){}
  virtual ~X() {}
  explicit X(int i) : i(i) {}

  template<class Archive>
  void serialize(Archive & ar, const unsigned int)
  {
    ar & boost::serialization::make_nvp("i", i);
  }

  int i;
};

typedef boost::shared_ptr<X> PX;

int main()
{
  std::stringstream ss;
  boost::archive::xml_oarchive oa(ss);
  PX px (new X(4));
  oa << boost::serialization::make_nvp("v", px);
  px.reset();
  ss.seekp(0);
  boost::archive::xml_iarchive ia(ss);
  ia >>  boost::serialization::make_nvp("v", px);
  PX px1 = px.get()->shared_from_this();
}