Ugly, not-to-be-pushed sucking in of all of Boost to get windows to work.
[dyninst.git] / external / boost / iostreams / output_sequence.hpp
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_OUTPUT_SEQUENCE_HPP_INCLUDED
8 #define BOOST_IOSTREAMS_OUTPUT_SEQUENCE_HPP_INCLUDED
9
10 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
11 # pragma once
12 #endif
13
14 #include <utility>           // pair.
15 #include <boost/config.hpp>  // DEDUCED_TYPENAME, MSVC.
16 #include <boost/detail/workaround.hpp>
17 #include <boost/iostreams/detail/wrap_unwrap.hpp>
18 #include <boost/iostreams/traits.hpp>
19 #include <boost/mpl/if.hpp>
20
21 // Must come last.
22 #include <boost/iostreams/detail/config/disable_warnings.hpp>
23
24 namespace boost { namespace iostreams {
25
26 namespace detail {
27
28 template<typename T>
29 struct output_sequence_impl;
30
31 } // End namespace detail.
32
33 template<typename T>
34 inline std::pair<
35     BOOST_DEDUCED_TYPENAME char_type_of<T>::type*,
36     BOOST_DEDUCED_TYPENAME char_type_of<T>::type*
37 >
38 output_sequence(T& t)
39 { return detail::output_sequence_impl<T>::output_sequence(t); }
40
41 namespace detail {
42
43 //------------------Definition of output_sequence_impl------------------------//
44
45 template<typename T>
46 struct output_sequence_impl
47     : mpl::if_<
48           detail::is_custom<T>,
49           operations<T>,
50           output_sequence_impl<direct_tag>
51       >::type
52     { };
53
54 template<>
55 struct output_sequence_impl<direct_tag> {
56     template<typename U>
57     static std::pair<
58         BOOST_DEDUCED_TYPENAME char_type_of<U>::type*,
59         BOOST_DEDUCED_TYPENAME char_type_of<U>::type*
60     >
61     output_sequence(U& u) { return u.output_sequence(); }
62 };
63
64 } // End namespace detail.
65
66 } } // End namespaces iostreams, boost.
67
68 #include <boost/iostreams/detail/config/enable_warnings.hpp>
69
70 #endif // #ifndef BOOST_IOSTREAMS_OUTPUT_SEQUENCE_HPP_INCLUDED