ceph/src/boost/libs/mpl/example/fsm/aux_/base_event.hpp

   1
   2 #ifndef BOOST_FSM_BASE_EVENT_INCLUDED
   3 #define BOOST_FSM_BASE_EVENT_INCLUDED
   4
   5 // Copyright Aleksey Gurtovoy 2002-2004
   6 //
   7 // Distributed under the Boost Software License, Version 1.0.
   8 // (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10 //
  11 // See http://www.boost.org/libs/mpl for documentation.
  12
  13 // $Id$
  14 // $Date$
  15 // $Revision$
  16
  17 #include <memory>
  18 #include <boost/config.hpp>
  19
  20 namespace fsm { namespace aux {
  21
  22 // represent an abstract base for FSM events
  23
  24 struct base_event
  25 {
  26  public:
  27     virtual ~base_event() {};
  28
  29 #if defined(BOOST_NO_CXX11_SMART_PTR)
  30
  31     std::auto_ptr<base_event> clone() const
  32
  33 #else
  34
  35     std::unique_ptr<base_event> clone() const
  36
  37 #endif
  38
  39     {
  40         return do_clone();
  41     }
  42
  43  private:
  44
  45 #if defined(BOOST_NO_CXX11_SMART_PTR)
  46
  47     virtual std::auto_ptr<base_event> do_clone() const = 0;
  48
  49 #else
  50
  51     virtual std::unique_ptr<base_event> do_clone() const = 0;
  52
  53 #endif
  54
  55 };
  56
  57 }}
  58
  59 #endif // BOOST_FSM_BASE_EVENT_INCLUDED