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_IMBUE_HPP_INCLUDED |
9 | #define BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED |
10 | |
11 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
12 | # pragma once |
13 | #endif |
14 | |
15 | #include <boost/config.hpp> // DEDUCED_TYPENAME, MSVC. |
16 | #include <boost/detail/workaround.hpp> |
17 | #include <boost/iostreams/detail/dispatch.hpp> |
18 | #include <boost/iostreams/detail/streambuf.hpp> |
19 | #include <boost/iostreams/detail/wrap_unwrap.hpp> |
20 | #include <boost/iostreams/operations_fwd.hpp> |
21 | #include <boost/mpl/if.hpp> |
22 | |
23 | // Must come last. |
24 | #include <boost/iostreams/detail/config/disable_warnings.hpp> |
25 | |
26 | namespace boost { namespace iostreams { |
27 | |
28 | namespace detail { |
29 | |
30 | // Implementation templates for simulated tag dispatch. |
31 | template<typename T> |
32 | struct imbue_impl; |
33 | |
34 | } // End namespace detail. |
35 | |
36 | template<typename T, typename Locale> |
37 | void imbue(T& t, const Locale& loc) |
38 | { detail::imbue_impl<T>::imbue(detail::unwrap(t), loc); } |
39 | |
40 | namespace detail { |
41 | |
42 | //------------------Definition of imbue_impl----------------------------------// |
43 | |
44 | template<typename T> |
45 | struct imbue_impl |
46 | : mpl::if_< |
47 | is_custom<T>, |
48 | operations<T>, |
49 | imbue_impl< |
50 | BOOST_DEDUCED_TYPENAME |
51 | dispatch< |
52 | T, streambuf_tag, localizable_tag, any_tag |
53 | >::type |
54 | > |
55 | >::type |
56 | { }; |
57 | |
58 | template<> |
59 | struct imbue_impl<any_tag> { |
60 | template<typename T, typename Locale> |
61 | static void imbue(T&, const Locale&) { } |
62 | }; |
63 | |
64 | template<> |
65 | struct imbue_impl<streambuf_tag> { |
66 | template<typename T, typename Locale> |
67 | static void imbue(T& t, const Locale& loc) { t.pubimbue(loc); } |
68 | }; |
69 | |
70 | template<> |
71 | struct imbue_impl<localizable_tag> { |
72 | template<typename T, typename Locale> |
73 | static void imbue(T& t, const Locale& loc) { t.imbue(loc); } |
74 | }; |
75 | |
76 | } // End namespace detail. |
77 | |
78 | } } // End namespaces iostreams, boost. |
79 | |
80 | #include <boost/iostreams/detail/config/enable_warnings.hpp> |
81 | |
82 | #endif // #ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED |
83 | |