luabind/typeid.hpp

   1 // Copyright Daniel Wallin 2008. Use, modification and distribution is
   2 // subject to the Boost Software License, Version 1.0. (See accompanying
   3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #ifndef LUABIND_TYPEID_081227_HPP
   6 # define LUABIND_TYPEID_081227_HPP
   7
   8 # include <boost/operators.hpp>
   9 # include <typeinfo>
  10 # include <luabind/detail/primitives.hpp>
  11
  12 namespace luabind {
  13
  14 class type_id
  15   : public boost::less_than_comparable<type_id>
  16 {
  17 public:
  18     type_id()
  19       : id(&typeid(detail::null_type))
  20     {}
  21
  22     type_id(std::type_info const& id)
  23       : id(&id)
  24     {}
  25
  26     bool operator!=(type_id const& other) const
  27     {
  28         return *id != *other.id;
  29     }
  30
  31     bool operator==(type_id const& other) const
  32     {
  33         return *id == *other.id;
  34     }
  35
  36     bool operator<(type_id const& other) const
  37     {
  38         return id->before(*other.id) != 0;
  39     }
  40
  41     char const* name() const
  42     {
  43         return id->name();
  44     }
  45
  46 private:
  47     std::type_info const* id;
  48 };
  49
  50 } // namespace luabind
  51
  52 #endif // LUABIND_TYPEID_081227_HPP
  53