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1 | // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) |
2 | // (C) Copyright 2003-2007 Jonathan Turkanis | |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) | |
5 | ||
6 | // See http://www.boost.org/libs/iostreams for documentation. | |
7 | ||
8 | #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED | |
9 | #define BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED | |
10 | ||
11 | #if defined(_MSC_VER) | |
12 | # pragma once | |
13 | #endif | |
14 | ||
15 | #include <boost/config.hpp> // BOOST_DEDUCED_TYPENAME. | |
16 | #include <boost/iostreams/detail/select.hpp> | |
17 | #include <boost/iostreams/traits.hpp> // category_of. | |
18 | #include <boost/mpl/void.hpp> | |
19 | #include <boost/type_traits/is_convertible.hpp> | |
20 | ||
21 | namespace boost { namespace iostreams {namespace detail { | |
22 | ||
23 | template< typename T, typename Tag1, typename Tag2, | |
24 | typename Tag3 = mpl::void_, typename Tag4 = mpl::void_, | |
25 | typename Tag5 = mpl::void_, typename Tag6 = mpl::void_, | |
26 | typename Category = | |
27 | BOOST_DEDUCED_TYPENAME category_of<T>::type > | |
28 | struct dispatch | |
29 | : iostreams::select< // Disambiguation for Tru64. | |
30 | is_convertible<Category, Tag1>, Tag1, | |
31 | is_convertible<Category, Tag2>, Tag2, | |
32 | is_convertible<Category, Tag3>, Tag3, | |
33 | is_convertible<Category, Tag4>, Tag4, | |
34 | is_convertible<Category, Tag5>, Tag5, | |
35 | is_convertible<Category, Tag6>, Tag6 | |
36 | > | |
37 | { }; | |
38 | ||
39 | } } } // End namespaces detail, iostreams, boost. | |
40 | ||
41 | #endif // #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED |