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// Boost.TypeErasure library
//
// Copyright 2011 Steven Watanabe
//
// 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)
//
// $Id$
#ifndef BOOST_TYPE_ERASURE_DETAIL_ACCESS_HPP_INCLUDED
#define BOOST_TYPE_ERASURE_DETAIL_ACCESS_HPP_INCLUDED
#include <boost/type_erasure/detail/storage.hpp>
#include <boost/type_erasure/detail/any_base.hpp>
namespace boost {
namespace type_erasure {
template<class Concept, class T>
class any;
template<class Concept, class T>
class param;
namespace detail {
struct access
{
template<class Derived>
static const typename Derived::table_type&
table(const ::boost::type_erasure::any_base<Derived>& arg)
{
return static_cast<const Derived&>(arg).table;
}
template<class Concept, class T>
static const typename any<Concept, T>::table_type&
table(const ::boost::type_erasure::param<Concept, T>& arg)
{
return arg._impl.table;
}
template<class Derived>
static ::boost::type_erasure::detail::storage&
data(::boost::type_erasure::any_base<Derived>& arg)
{
return static_cast<Derived&>(arg).data;
}
template<class Concept, class T>
static const ::boost::type_erasure::detail::storage&
data(::boost::type_erasure::any_base< ::boost::type_erasure::any<Concept, const T&> >& arg)
{
return static_cast< ::boost::type_erasure::any<Concept, const T&>&>(arg).data;
}
template<class Derived>
static const ::boost::type_erasure::detail::storage&
data(const ::boost::type_erasure::any_base<Derived>& arg)
{
return static_cast<const Derived&>(arg).data;
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&
data(const ::boost::type_erasure::any_base< ::boost::type_erasure::any<Concept, T&> >& arg)
{
return const_cast< ::boost::type_erasure::detail::storage&>(static_cast< const ::boost::type_erasure::any<Concept, T&>&>(arg).data);
}
template<class Concept, class T>
static const ::boost::type_erasure::detail::storage&
data(const ::boost::type_erasure::any_base< ::boost::type_erasure::any<Concept, const T&> >& arg)
{
return static_cast<const ::boost::type_erasure::any<Concept, const T&>&>(arg).data;
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&
data(::boost::type_erasure::param<Concept, T>& arg)
{
return arg._impl.data;
}
template<class Concept, class T>
static const ::boost::type_erasure::detail::storage&
data(::boost::type_erasure::param<Concept, const T&>& arg)
{
return arg._impl.data;
}
template<class Concept, class T>
static const ::boost::type_erasure::detail::storage&
data(const ::boost::type_erasure::param<Concept, T>& arg)
{
return arg._impl.data;
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
template<class Derived>
static ::boost::type_erasure::detail::storage&&
data(::boost::type_erasure::any_base<Derived>&& arg)
{
return std::move(static_cast<Derived&>(arg).data);
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&&
data(::boost::type_erasure::any_base< ::boost::type_erasure::any<Concept, T&&> >& arg)
{
return std::move(static_cast< ::boost::type_erasure::any<Concept, T&&>&>(arg).data);
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&&
data(const ::boost::type_erasure::any_base< ::boost::type_erasure::any<Concept, T&&> >& arg)
{
return std::move(const_cast< ::boost::type_erasure::detail::storage&>(static_cast< const ::boost::type_erasure::any<Concept, T&&>&>(arg).data));
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&&
data(::boost::type_erasure::param<Concept, T>&& arg)
{
return std::move(arg._impl.data);
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&&
data(::boost::type_erasure::param<Concept, T&&>& arg)
{
return std::move(arg._impl.data);
}
template<class Concept, class T>
static ::boost::type_erasure::detail::storage&&
data(const ::boost::type_erasure::param<Concept, T&&>& arg)
{
return std::move(const_cast< ::boost::type_erasure::detail::storage&>(arg._impl.data));
}
#endif
};
}
}
}
#endif
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