1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/iostreams/close.hpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,145 @@
1.4 +// (C) Copyright Jonathan Turkanis 2003.
1.5 +// Distributed under the Boost Software License, Version 1.0. (See accompanying
1.6 +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
1.7 +
1.8 +// See http://www.boost.org/libs/iostreams for documentation.
1.9 +
1.10 +#ifndef BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED
1.11 +#define BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED
1.12 +
1.13 +#if defined(_MSC_VER) && (_MSC_VER >= 1020)
1.14 +# pragma once
1.15 +#endif
1.16 +
1.17 +#include <boost/config.hpp> // DEDUCED_TYPENAME, MSVC.
1.18 +#include <boost/detail/workaround.hpp>
1.19 +#include <boost/iostreams/categories.hpp>
1.20 +#include <boost/iostreams/flush.hpp>
1.21 +#include <boost/iostreams/detail/adapter/non_blocking_adapter.hpp>
1.22 +#include <boost/iostreams/detail/wrap_unwrap.hpp>
1.23 +#include <boost/iostreams/operations_fwd.hpp>
1.24 +#include <boost/iostreams/traits.hpp>
1.25 +#include <boost/mpl/identity.hpp>
1.26 +#include <boost/mpl/if.hpp>
1.27 +#include <boost/type_traits/is_convertible.hpp>
1.28 +
1.29 +// Must come last.
1.30 +#include <boost/iostreams/detail/config/disable_warnings.hpp>
1.31 +
1.32 +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //-----------------------------------//
1.33 +# include <boost/iostreams/detail/vc6/close.hpp>
1.34 +#else // #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //--------------------------//
1.35 +
1.36 +namespace boost { namespace iostreams {
1.37 +
1.38 +namespace detail {
1.39 +
1.40 +template<typename T>
1.41 +struct close_impl;
1.42 +
1.43 +} // End namespace detail.
1.44 +
1.45 +template<typename T>
1.46 +void close(T& t, BOOST_IOS::openmode which)
1.47 +{ detail::close_impl<T>::close(detail::unwrap(t), which); }
1.48 +
1.49 +template<typename T, typename Sink>
1.50 +void close(T& t, Sink& snk, BOOST_IOS::openmode which)
1.51 +{ detail::close_impl<T>::close(detail::unwrap(t), snk, which); }
1.52 +
1.53 +namespace detail {
1.54 +
1.55 +//------------------Definition of close_impl----------------------------------//
1.56 +
1.57 +template<typename T>
1.58 +struct close_tag {
1.59 + typedef typename category_of<T>::type category;
1.60 + typedef typename
1.61 + mpl::eval_if<
1.62 + is_convertible<category, closable_tag>,
1.63 + mpl::if_<
1.64 + mpl::or_<
1.65 + is_convertible<category, two_sequence>,
1.66 + is_convertible<category, dual_use>
1.67 + >,
1.68 + two_sequence,
1.69 + closable_tag
1.70 + >,
1.71 + mpl::identity<any_tag>
1.72 + >::type type;
1.73 +};
1.74 +
1.75 +template<typename T>
1.76 +struct close_impl
1.77 + : mpl::if_<
1.78 + is_custom<T>,
1.79 + operations<T>,
1.80 + close_impl<BOOST_DEDUCED_TYPENAME close_tag<T>::type>
1.81 + >::type
1.82 + { };
1.83 +
1.84 +template<>
1.85 +struct close_impl<any_tag> {
1.86 + template<typename T>
1.87 + static void close(T& t, BOOST_IOS::openmode which)
1.88 + {
1.89 + if ((which & BOOST_IOS::out) != 0)
1.90 + iostreams::flush(t);
1.91 + }
1.92 +
1.93 + template<typename T, typename Sink>
1.94 + static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
1.95 + {
1.96 + if ((which & BOOST_IOS::out) != 0) {
1.97 + non_blocking_adapter<Sink> nb(snk);
1.98 + iostreams::flush(t, nb);
1.99 + }
1.100 + }
1.101 +};
1.102 +
1.103 +#include <boost/iostreams/detail/config/disable_warnings.hpp> // Borland.
1.104 +template<>
1.105 +struct close_impl<closable_tag> {
1.106 + template<typename T>
1.107 + static void close(T& t, BOOST_IOS::openmode which)
1.108 + {
1.109 + typedef typename category_of<T>::type category;
1.110 + const bool in = is_convertible<category, input>::value &&
1.111 + !is_convertible<category, output>::value;
1.112 + if (in == ((which & BOOST_IOS::in) != 0))
1.113 + t.close();
1.114 + }
1.115 + template<typename T, typename Sink>
1.116 + static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
1.117 + {
1.118 + typedef typename category_of<T>::type category;
1.119 + const bool in = is_convertible<category, input>::value &&
1.120 + !is_convertible<category, output>::value;
1.121 + if (in == ((which & BOOST_IOS::in) != 0)) {
1.122 + non_blocking_adapter<Sink> nb(snk);
1.123 + t.close(nb);
1.124 + }
1.125 + }
1.126 +};
1.127 +
1.128 +template<>
1.129 +struct close_impl<two_sequence> {
1.130 + template<typename T>
1.131 + static void close(T& t, BOOST_IOS::openmode which) { t.close(which); }
1.132 + template<typename T, typename Sink>
1.133 + static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
1.134 + {
1.135 + non_blocking_adapter<Sink> nb(snk);
1.136 + t.close(nb, which);
1.137 + }
1.138 +};
1.139 +
1.140 +} // End namespace detail.
1.141 +
1.142 +} } // End namespaces iostreams, boost.
1.143 +
1.144 +#endif // #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //-------------------------//
1.145 +
1.146 +#include <boost/iostreams/detail/config/enable_warnings.hpp>
1.147 +
1.148 +#endif // #ifndef BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED