boost/archive/detail/interface_iarchive.hpp
#ifndef BOOST_ARCHIVE_DETAIL_INTERFACE_IARCHIVE_HPP
#define BOOST_ARCHIVE_DETAIL_INTERFACE_IARCHIVE_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// interface_iarchive.hpp
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for updates, documentation, and revision history.
#include <string>
#include <boost/config.hpp>
#include <boost/cstdint.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/serialization/nvp.hpp>
#include <boost/archive/detail/iserializer.hpp>
namespace boost {
namespace archive {
namespace detail {
class basic_iserializer;
class basic_pointer_iserializer;
template<class Archive>
class interface_iarchive
{
protected:
interface_iarchive(){};
public:
/////////////////////////////////////////////////////////
// archive public interface
struct is_loading {
typedef mpl::bool_<true> type;
BOOST_STATIC_CONSTANT(bool, value=true);
};
struct is_saving {
typedef mpl::bool_<false> type;
BOOST_STATIC_CONSTANT(bool, value=false);
};
// return a pointer to the most derived class
Archive * This(){
return static_cast<Archive *>(this);
}
template<class T>
const basic_pointer_iserializer * register_type(T * t = NULL){
const basic_pointer_iserializer & bpis =
archive::detail::instantiate_pointer_iserializer(
static_cast<Archive *>(NULL),
static_cast<T *>(NULL)
);
this->This()->register_basic_serializer(bpis.get_basic_serializer());
return & bpis;
}
// default processing - invoke serialization library
template<class T>
void load_override(T & t, /*BOOST_PFTO*/ int){
archive::load(* this->This(), t);
}
// define operators for non-const arguments. Don't depend one the const
// ones below because the compiler MAY make a temporary copy to
// create the const parameter (Though I havn't seen this happen).
// the >> operator
template<class T>
Archive & operator>>(T & t){
// if this assertion trips. It means we're trying to load a
// const object with a compiler that doesn't have correct
// funtion template ordering. On other compilers, this is
// handled below.
BOOST_STATIC_ASSERT(! boost::is_const<T>::value);
this->This()->load_override(t, 0);
return * this->This();
}
// the & operator
template<class T>
Archive & operator&(T & t){
// see above
BOOST_STATIC_ASSERT(! boost::is_const<T>::value);
this->This()->load_override(t, 0);
return * this->This();
}
// define the following pair in order to permit passing of const and non_const
// temporary objects. These are needed to properly implement serialization
// wrappers.
#ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
// the >> operator
template<class T>
Archive & operator>>(const T & t){
// this should only be used for wrappers. Check that here
This()->load_override(const_cast<T &>(t), 0);
return * this->This();
}
// the & operator
template<class T>
Archive & operator&(const T & t){
return * this >> t;
}
#endif
};
} // namespace detail
} // namespace archive
} // namespace boost
#endif // BOOST_ARCHIVE_DETAIL_INTERFACE_IARCHIVE_HPP