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/*=============================================================================
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
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