| [29] | 1 | // (C) Copyright Jonathan Turkanis 2003. |
|---|
| 2 | // Distributed under 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 | // See http://www.boost.org/libs/iostreams for documentation. |
|---|
| 6 | |
|---|
| 7 | #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED |
|---|
| 8 | #define BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED |
|---|
| 9 | |
|---|
| 10 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
|---|
| 11 | # pragma once |
|---|
| 12 | #endif |
|---|
| 13 | |
|---|
| 14 | #include <boost/config.hpp> // BOOST_DEDUCED_TYPENAME. |
|---|
| 15 | #include <boost/iostreams/detail/select.hpp> |
|---|
| 16 | #include <boost/iostreams/traits.hpp> // category_of. |
|---|
| 17 | #include <boost/mpl/void.hpp> |
|---|
| 18 | #include <boost/type_traits/is_convertible.hpp> |
|---|
| 19 | |
|---|
| 20 | namespace boost { namespace iostreams {namespace detail { |
|---|
| 21 | |
|---|
| 22 | template< typename T, typename Tag1, typename Tag2, |
|---|
| 23 | typename Tag3 = mpl::void_, typename Tag4 = mpl::void_, |
|---|
| 24 | typename Tag5 = mpl::void_, typename Tag6 = mpl::void_, |
|---|
| 25 | typename Category = |
|---|
| 26 | BOOST_DEDUCED_TYPENAME category_of<T>::type > |
|---|
| 27 | struct dispatch |
|---|
| 28 | : iostreams::select< // Disambiguation for Tru64. |
|---|
| 29 | is_convertible<Category, Tag1>, Tag1, |
|---|
| 30 | is_convertible<Category, Tag2>, Tag2, |
|---|
| 31 | is_convertible<Category, Tag3>, Tag3, |
|---|
| 32 | is_convertible<Category, Tag4>, Tag4, |
|---|
| 33 | is_convertible<Category, Tag5>, Tag5, |
|---|
| 34 | is_convertible<Category, Tag6>, Tag6 |
|---|
| 35 | > |
|---|
| 36 | { }; |
|---|
| 37 | |
|---|
| 38 | } } } // End namespaces detail, iostreams, boost. |
|---|
| 39 | |
|---|
| 40 | #endif // #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED |
|---|
