| /*============================================================================= |
| Copyright (c) 2001-2007 Joel de Guzman |
| |
| Distributed under 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) |
| ==============================================================================*/ |
| #ifndef PHOENIX_BIND_BIND_MEMBER_VARIABLE_HPP |
| #define PHOENIX_BIND_BIND_MEMBER_VARIABLE_HPP |
| |
| #include <boost/mpl/if.hpp> |
| #include <boost/type_traits/is_const.hpp> |
| #include <boost/type_traits/remove_pointer.hpp> |
| #include <boost/type_traits/remove_reference.hpp> |
| |
| #include <boost/spirit/home/phoenix/core/actor.hpp> |
| #include <boost/spirit/home/phoenix/core/compose.hpp> |
| #include <boost/spirit/home/phoenix/core/reference.hpp> |
| #include <boost/spirit/home/phoenix/core/detail/function_eval.hpp> |
| #include <boost/mpl/if.hpp> |
| #include <boost/type_traits/is_const.hpp> |
| #include <boost/type_traits/remove_pointer.hpp> |
| #include <boost/type_traits/remove_reference.hpp> |
| |
| namespace boost { namespace phoenix |
| { |
| namespace detail |
| { |
| template <typename RT, typename MP> |
| struct member_variable |
| { |
| template <typename Class> |
| struct result |
| { |
| typedef typename boost::mpl::if_< |
| boost::is_const< |
| typename boost::remove_pointer< |
| typename boost::remove_reference<Class>::type |
| >::type |
| > |
| , const RT& |
| , RT& |
| >::type type; |
| }; |
| |
| member_variable(MP mp) |
| : mp(mp) {} |
| |
| template <typename Class> |
| RT& operator()(Class& obj) const |
| { |
| return obj.*mp; |
| } |
| |
| template <typename Class> |
| RT& operator()(Class* obj) const |
| { |
| return obj->*mp; |
| } |
| |
| template <typename Class> |
| RT const& operator()(Class const& obj) const |
| { |
| return obj.*mp; |
| } |
| |
| template <typename Class> |
| RT const& operator()(Class const* obj) const |
| { |
| return obj->*mp; |
| } |
| |
| MP mp; |
| }; |
| } |
| |
| template <typename RT, typename ClassT, typename ClassA> |
| inline actor< |
| typename as_composite< |
| detail::function_eval<1> |
| , detail::member_variable<RT, RT ClassT::*> |
| , ClassA |
| >::type> |
| bind(RT ClassT::*mp, ClassA const& obj) |
| { |
| typedef detail::member_variable<RT, RT ClassT::*> mp_type; |
| return compose<detail::function_eval<1> >(mp_type(mp), obj); |
| } |
| |
| template <typename RT, typename ClassT> |
| inline actor< |
| typename as_composite< |
| detail::function_eval<1> |
| , detail::member_variable<RT, RT ClassT::*> |
| , actor<reference<ClassT> > |
| >::type> |
| bind(RT ClassT::*mp, ClassT& obj) |
| { |
| typedef detail::member_variable<RT, RT ClassT::*> mp_type; |
| return compose<detail::function_eval<1> >( |
| mp_type(mp) |
| , actor<reference<ClassT> >(reference<ClassT>(obj))); |
| } |
| }} |
| |
| #endif |