#ifndef BOOST_EXTENDED_TYPE_INFO_NO_RTTI_HPP

#define BOOST_EXTENDED_TYPE_INFO_NO_RTTI_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_no_rtti.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 <cassert>

#include <boost/config.hpp>

#include <boost/static_assert.hpp>

#include <boost/type_traits/is_const.hpp>

#include <boost/serialization/extended_type_info.hpp>

#include <boost/mpl/bool.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 {

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

// define a special type_info that doesn't depend on rtti which is not

// available in all situations.

// common base class to share type_info_key.  This is used to 

// identify the method used to keep track of the extended type

class BOOST_SERIALIZATION_DECL(BOOST_PP_EMPTY()) extended_type_info_no_rtti_0 : 

    public extended_type_info

{

    virtual bool

    less_than(const boost::serialization::extended_type_info &rhs) const ;

protected:

    extended_type_info_no_rtti_0();

    // account for bogus gcc warning

    #if defined(__GNUC__)

    virtual

    #endif

    ~extended_type_info_no_rtti_0();

public:

    struct is_polymorphic

    {

        typedef boost::mpl::bool_<true> type;

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

    };

};

template<class T>

class extended_type_info_no_rtti_1 : 

    public extended_type_info_no_rtti_0

{

protected:

    extended_type_info_no_rtti_1(){}

public:

    // note borland complains at making this destructor protected

    ~extended_type_info_no_rtti_1(){};

    static const boost::serialization::extended_type_info *

    get_derived_extended_type_info(const T & t){

        // find the type that corresponds to the most derived type.

        // this implementation doesn't depend on typeid() but assumes

        // that the specified type has a function of the following signature.

        // A common implemention of such a function is to define as a virtual

        // function. 

        const char * derived_key = t.get_key();

        assert(NULL != derived_key);

        return boost::serialization::extended_type_info::find(derived_key);

    }

    static boost::serialization::extended_type_info *

    get_instance(){

        static extended_type_info_no_rtti_1<T> instance;

        return & instance;

    }

    static void

    export_register(const char * key){

        boost::serialization::extended_type_info * eti;

        eti = get_instance();

        eti->key_register(key);  // initialize key and add to table

        eti->self_register();    // add type to type table

    }

};

} // namespace detail

template<class T>

class extended_type_info_no_rtti : 

    public detail::extended_type_info_no_rtti_1<const T>

{

    // private constructor to inhibit any existence other than the 

    // static one

    extended_type_info_no_rtti(){}

    ~extended_type_info_no_rtti(){};

};

} // 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_no_rtti<const 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_EXTENDED_TYPE_INFO_NO_RTTI_HPP