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.)
6 // See http://www.boost.org/libs/iostreams for documentation.
8 #ifndef BOOST_IOSTREAMS_INPUT_SEQUENCE_HPP_INCLUDED
9 #define BOOST_IOSTREAMS_INPUT_SEQUENCE_HPP_INCLUDED
15 #include <utility> // pair.
16 #include <boost/config.hpp> // DEDUCED_TYPENAME, MSVC.
17 #include <boost/detail/workaround.hpp>
18 #include <boost/iostreams/detail/wrap_unwrap.hpp>
19 #include <boost/iostreams/operations_fwd.hpp> // is_custom
20 #include <boost/iostreams/traits.hpp>
21 #include <boost/mpl/if.hpp>
24 #include <boost/iostreams/detail/config/disable_warnings.hpp>
26 namespace boost { namespace iostreams {
31 struct input_sequence_impl;
33 } // End namespace detail.
37 BOOST_DEDUCED_TYPENAME char_type_of<T>::type*,
38 BOOST_DEDUCED_TYPENAME char_type_of<T>::type*
41 { return detail::input_sequence_impl<T>::input_sequence(t); }
45 //------------------Definition of direct_impl-------------------------------//
48 struct input_sequence_impl
52 input_sequence_impl<direct_tag>
57 struct input_sequence_impl<direct_tag> {
60 BOOST_DEDUCED_TYPENAME char_type_of<U>::type*,
61 BOOST_DEDUCED_TYPENAME char_type_of<U>::type*
63 input_sequence(U& u) { return u.input_sequence(); }
66 } // End namespace detail.
68 } } // End namespaces iostreams, boost.
70 #include <boost/iostreams/detail/config/enable_warnings.hpp>
72 #endif // #ifndef BOOST_IOSTREAMS_INPUT_SEQUENCE_HPP_INCLUDED