#ifndef BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_TYPEID_HPP

#define BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_TYPEID_HPP

/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8

// MS compatible compilers support #pragma once

#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif



// extended_type_info_typeid.hpp: implementation for version that depends

// on runtime typing (rtti - typeid) but uses a user specified string

// as the portable class identifier.



// (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 <typeinfo>

#include <boost/config.hpp>



//#include <boost/static_warning.hpp>

#include <boost/static_assert.hpp>

#include <boost/type_traits/is_polymorphic.hpp>

#include <boost/type_traits/is_const.hpp>

#include <boost/preprocessor/stringize.hpp>



#include <boost/serialization/extended_type_info.hpp>



#include <boost/config/abi_prefix.hpp> // must be the last header

#ifdef BOOST_MSVC

#  pragma warning(push)

#  pragma warning(disable : 4251 4231 4660 4275)

#endif



namespace boost {

namespace serialization {



namespace detail {



class BOOST_SERIALIZATION_DECL(BOOST_PP_EMPTY()) extended_type_info_typeid_0 : 

    public extended_type_info

{

private:

    virtual bool

    less_than(const extended_type_info &rhs) const;

protected:

    static const extended_type_info *

    get_derived_extended_type_info(const std::type_info & ti);

    extended_type_info_typeid_0();

    // account for bogus gcc warning

    #if defined(__GNUC__)

    virtual

    #endif

    ~extended_type_info_typeid_0();

public:

    virtual const std::type_info & get_eti() const = 0;

};



///////////////////////////////////////////////////////////////////////////////

// layer to fold T and const T into the same table entry.

template<class T>

class extended_type_info_typeid_1 : 

    public detail::extended_type_info_typeid_0

{

private:

    virtual const std::type_info & get_eti() const {

        return typeid(T);

    }

protected:

    // private constructor to inhibit any existence other than the 

    // static one

    extended_type_info_typeid_1() :

        detail::extended_type_info_typeid_0()

    {

        self_register();    // add type to type table

    }

public:

    struct is_polymorphic

    {

        typedef BOOST_DEDUCED_TYPENAME boost::is_polymorphic<T>::type type;

        BOOST_STATIC_CONSTANT(bool, value = is_polymorphic::type::value);

    };

    static const extended_type_info *

    get_derived_extended_type_info(const T & t){

        // note: this implementation - based on usage of typeid (rtti)

        // only works if the class has at least one virtual function.

//      BOOST_STATIC_WARNING(

//          static_cast<bool>(is_polymorphic::value)

//      );

        return detail::extended_type_info_typeid_0::get_derived_extended_type_info(typeid(t));

    }

    static extended_type_info *

    get_instance(){

        static extended_type_info_typeid_1<T> instance;

        return & instance;

    }

    static void

    export_register(const char * key){

        get_instance()->key_register(key);

    }

};



} // namespace detail



///////////////////////////////////////////////////////////////////////////////

template<class T>

class extended_type_info_typeid : 

    public detail::extended_type_info_typeid_1<const T>

{};



} // namespace serialization

} // namespace boost



///////////////////////////////////////////////////////////////////////////////

// If no other implementation has been designated as default, 

// use this one.  To use this implementation as the default, specify it

// before any of the other headers.

#ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO

    #define BOOST_SERIALIZATION_DEFAULT_TYPE_INFO

    namespace boost {

    namespace serialization {

    template<class T>

    struct extended_type_info_impl {

        typedef BOOST_DEDUCED_TYPENAME 

            boost::serialization::extended_type_info_typeid<T> type;

    };

    } // namespace serialization

    } // namespace boost

#endif



#ifdef BOOST_MSVC

#pragma warning(pop)

#endif

#include <boost/config/abi_suffix.hpp> // pops abi_suffix.hpp pragmas



#endif // BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_TYPEID_HPP

