libs/serialization/test/polymorphic_base.hpp

   1 #ifndef POLYMORPHIC_BASE_HPP
   2 #define POLYMORPHIC_BASE_HPP
   3
   4 // MS compatible compilers support #pragma once
   5 #if defined(_MSC_VER)
   6 # pragma once
   7 #endif
   8
   9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  10 // polymorphic_base.hpp    simple class test
  11
  12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  13 // Use, modification and distribution is subject to the Boost Software
  14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  15 // http://www.boost.org/LICENSE_1_0.txt)
  16
  17 //  See http://www.boost.org for updates, documentation, and revision history.
  18
  19 #include <boost/config.hpp>
  20
  21 #include <boost/serialization/access.hpp>
  22 #include <boost/serialization/assume_abstract.hpp>
  23 #include <boost/serialization/export.hpp>
  24 #include <boost/serialization/type_info_implementation.hpp>
  25 #include <boost/serialization/extended_type_info_no_rtti.hpp>
  26
  27 #if defined(POLYMORPHIC_BASE_IMPORT)
  28     #define POLYMORPHIC_BASE_DLL_DECL BOOST_SYMBOL_IMPORT
  29     #pragma message ("polymorphic_base imported")
  30 #elif defined(POLYMORPHIC_BASE_EXPORT)
  31     #define POLYMORPHIC_BASE_DLL_DECL BOOST_SYMBOL_EXPORT
  32     #pragma message ("polymorphic_base exported")
  33 #endif
  34
  35 #ifndef POLYMORPHIC_BASE_DLL_DECL
  36     #define POLYMORPHIC_BASE_DLL_DECL
  37 #endif
  38
  39 class BOOST_SYMBOL_VISIBLE polymorphic_base
  40 {
  41     friend class boost::serialization::access;
  42     template<class Archive>
  43     POLYMORPHIC_BASE_DLL_DECL void serialize(
  44         Archive & /* ar */,
  45         const unsigned int /* file_version */
  46     );
  47 public:
  48     // note that since this class uses the "no_rtti"
  49     // extended_type_info implementation, it MUST
  50     // implement this function
  51     virtual const char * get_key() const = 0;
  52     POLYMORPHIC_BASE_DLL_DECL polymorphic_base();
  53     POLYMORPHIC_BASE_DLL_DECL virtual ~polymorphic_base();
  54 };
  55
  56 BOOST_SERIALIZATION_ASSUME_ABSTRACT(polymorphic_base)
  57
  58 // the no_rtti system requires this !!!
  59 BOOST_CLASS_EXPORT_KEY(polymorphic_base)
  60
  61 BOOST_CLASS_TYPE_INFO(
  62     polymorphic_base,
  63     extended_type_info_no_rtti<polymorphic_base>
  64 )
  65
  66 #endif // POLYMORPHIC_BASE_HPP