text: #ifndef BOOST_ARCHIVE_DETAIL_POLYMORPHIC_IARCHIVE_ROUTE_HPP
  #define BOOST_ARCHIVE_DETAIL_POLYMORPHIC_IARCHIVE_ROUTE_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
  // polymorphic_iarchive_route.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 <ostream>
  #include <cstddef>
  
  #include <boost/config.hpp>
  #if defined(BOOST_NO_STDC_NAMESPACE)
  namespace std{
      using ::size_t;
  } // namespace std
  #endif
  
  #include <boost/cstdint.hpp>
  #include <boost/integer_traits.hpp>
  #include <boost/archive/polymorphic_iarchive.hpp>
  #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
  
  namespace boost {
  namespace serialization {
      class extended_type_info;
  } // namespace serialization
  namespace archive {
  namespace detail{
  
  class BOOST_ARCHIVE_DECL(BOOST_PP_EMPTY()) basic_iserializer;
  class BOOST_ARCHIVE_DECL(BOOST_PP_EMPTY()) basic_pointer_iserializer;
  
  #ifdef BOOST_MSVC
  #  pragma warning(push)
  #  pragma warning(disable : 4511 4512)
  #endif
  
  template<class ArchiveImplementation>
  class polymorphic_iarchive_route :
      public polymorphic_iarchive,
      // note: gcc dynamic cross cast fails if the the derivation below is
      // not public.  I think this is a mistake.
      public /*protected*/ ArchiveImplementation
  {
  private:
      // these are used by the serialization library.
      virtual void load_object(
          void *t,
          const basic_iserializer & bis
      ){
          ArchiveImplementation::load_object(t, bis);
      }
      virtual const basic_pointer_iserializer * load_pointer(
          void * & t,
          const basic_pointer_iserializer * bpis_ptr,
          const basic_pointer_iserializer * (*finder)(
              const boost::serialization::extended_type_info & type
          )
      ){
          return ArchiveImplementation::load_pointer(t, bpis_ptr, finder);
      }
      virtual void set_library_version(library_version_type archive_library_version){
          ArchiveImplementation::set_library_version(archive_library_version);
      }
      virtual library_version_type get_library_version() const{
          return ArchiveImplementation::get_library_version();
      }
      virtual unsigned int get_flags() const {
          return ArchiveImplementation::get_flags();
      }
      virtual void delete_created_pointers(){
          ArchiveImplementation::delete_created_pointers();
      }
      virtual void reset_object_address(
          const void * new_address,
          const void * old_address
      ){
          ArchiveImplementation::reset_object_address(new_address, old_address);
      }
      virtual void load_binary(void * t, std::size_t size){
          ArchiveImplementation::load_binary(t, size);
      }
      // primitive types the only ones permitted by polymorphic archives
      virtual void load(bool & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(char & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(signed char & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(unsigned char & t){
          ArchiveImplementation::load(t);
      }
      #ifndef BOOST_NO_CWCHAR
      #ifndef BOOST_NO_INTRINSIC_WCHAR_T
      virtual void load(wchar_t & t){
          ArchiveImplementation::load(t);
      }
      #endif
      #endif
      virtual void load(short & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(unsigned short & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(int & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(unsigned int & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(long & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(unsigned long & t){
          ArchiveImplementation::load(t);
      }
      #if defined(BOOST_HAS_LONG_LONG)
      virtual void load(boost::long_long_type & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(boost::ulong_long_type & t){
          ArchiveImplementation::load(t);
      }
      #elif defined(BOOST_HAS_MS_INT64)
      virtual void load(__int64 & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(unsigned __int64 & t){
          ArchiveImplementation::load(t);
      }
      #endif
      virtual void load(float & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(double & t){
          ArchiveImplementation::load(t);
      }
      virtual void load(std::string & t){
          ArchiveImplementation::load(t);
      }
      #ifndef BOOST_NO_STD_WSTRING
      virtual void load(std::wstring & t){
          ArchiveImplementation::load(t);
      }
      #endif
      // used for xml and other tagged formats default does nothing
      virtual void load_start(const char * name){
          ArchiveImplementation::load_start(name);
      }
      virtual void load_end(const char * name){
          ArchiveImplementation::load_end(name);
      }
  
      virtual void register_basic_serializer(const basic_iserializer & bis){
          ArchiveImplementation::register_basic_serializer(bis);
      }
  public:
      // this can't be inheriteded because they appear in mulitple
      // parents
      typedef mpl::bool_<true> is_loading;
      typedef mpl::bool_<false> is_saving;
      // the >> operator
      template<class T>
      polymorphic_iarchive & operator>>(T & t){
          return polymorphic_iarchive::operator>>(t);
      }
      // the & operator
      template<class T>
      polymorphic_iarchive & operator&(T & t){
          return polymorphic_iarchive::operator&(t);
      }
      // register type function
      template<class T>
      const basic_pointer_iserializer * 
      register_type(T * t = NULL){
          return ArchiveImplementation::register_type(t);
      }
      // all current archives take a stream as constructor argument
      template <class _Elem, class _Tr>
      polymorphic_iarchive_route(
          std::basic_istream<_Elem, _Tr> & is,
          unsigned int flags = 0
      ) :
          ArchiveImplementation(is, flags)
      {}
      virtual ~polymorphic_iarchive_route(){};
  };
  
  } // namespace detail
  } // namespace archive
  } // namespace boost
  
  #ifdef BOOST_MSVC
  #pragma warning(pop)
  #endif
  
  #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
  
  #endif // BOOST_ARCHIVE_DETAIL_POLYMORPHIC_IARCHIVE_DISPATCH_HPP
  