1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/iostreams/flush.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,124 @@
     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_FLUSH_HPP_INCLUDED
    1.11 +#define BOOST_IOSTREAMS_FLUSH_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/detail/dispatch.hpp>
    1.20 +#include <boost/iostreams/detail/streambuf.hpp>
    1.21 +#include <boost/iostreams/detail/wrap_unwrap.hpp>
    1.22 +#include <boost/iostreams/operations_fwd.hpp>
    1.23 +#include <boost/iostreams/traits.hpp>
    1.24 +#include <boost/mpl/if.hpp>
    1.25 +
    1.26 +// Must come last.
    1.27 +#include <boost/iostreams/detail/config/disable_warnings.hpp>
    1.28 +
    1.29 +namespace boost { namespace iostreams {
    1.30 +
    1.31 +namespace detail {
    1.32 +
    1.33 +template<typename T>
    1.34 +struct flush_device_impl;
    1.35 +
    1.36 +template<typename T>
    1.37 +struct flush_filter_impl;
    1.38 +
    1.39 +} // End namespace detail.
    1.40 +
    1.41 +template<typename T>
    1.42 +bool flush(T& t)
    1.43 +{ return detail::flush_device_impl<T>::flush(detail::unwrap(t)); }
    1.44 +
    1.45 +template<typename T, typename Sink>
    1.46 +bool flush(T& t, Sink& snk)
    1.47 +{ return detail::flush_filter_impl<T>::flush(detail::unwrap(t), snk); }
    1.48 +
    1.49 +namespace detail {
    1.50 +
    1.51 +//------------------Definition of flush_device_impl---------------------------//
    1.52 +
    1.53 +template<typename T>
    1.54 +struct flush_device_impl
    1.55 +    : mpl::if_<
    1.56 +          is_custom<T>,
    1.57 +          operations<T>,
    1.58 +          flush_device_impl<
    1.59 +              BOOST_DEDUCED_TYPENAME
    1.60 +              dispatch<
    1.61 +                  T, ostream_tag, streambuf_tag, flushable_tag, any_tag
    1.62 +              >::type
    1.63 +          >
    1.64 +      >::type
    1.65 +    { };
    1.66 +
    1.67 +template<>
    1.68 +struct flush_device_impl<ostream_tag> {
    1.69 +    template<typename T>
    1.70 +    static bool flush(T& t)
    1.71 +    { return t.rdbuf()->BOOST_IOSTREAMS_PUBSYNC() == 0; }
    1.72 +};
    1.73 +
    1.74 +template<>
    1.75 +struct flush_device_impl<streambuf_tag> {
    1.76 +    template<typename T>
    1.77 +    static bool flush(T& t)
    1.78 +    { return t.BOOST_IOSTREAMS_PUBSYNC() == 0; }
    1.79 +};
    1.80 +
    1.81 +template<>
    1.82 +struct flush_device_impl<flushable_tag> {
    1.83 +    template<typename T>
    1.84 +    static bool flush(T& t) { return t.flush(); }
    1.85 +};
    1.86 +
    1.87 +template<>
    1.88 +struct flush_device_impl<any_tag> {
    1.89 +    template<typename T>
    1.90 +    static bool flush(T&) { return true; }
    1.91 +};
    1.92 +
    1.93 +//------------------Definition of flush_filter_impl---------------------------//
    1.94 +
    1.95 +template<typename T>
    1.96 +struct flush_filter_impl
    1.97 +    : mpl::if_<
    1.98 +          is_custom<T>,
    1.99 +          operations<T>,
   1.100 +          flush_filter_impl<
   1.101 +              BOOST_DEDUCED_TYPENAME
   1.102 +              dispatch<
   1.103 +                  T, flushable_tag, any_tag
   1.104 +              >::type
   1.105 +          >
   1.106 +      >::type
   1.107 +    { };
   1.108 +
   1.109 +template<>
   1.110 +struct flush_filter_impl<flushable_tag> {
   1.111 +    template<typename T, typename Sink>
   1.112 +    static bool flush(T& t, Sink& snk) { return t.flush(snk); }
   1.113 +};
   1.114 +
   1.115 +template<>
   1.116 +struct flush_filter_impl<any_tag> {
   1.117 +    template<typename T, typename Sink>
   1.118 +    static bool flush(T&, Sink&) { return false; }
   1.119 +};
   1.120 +
   1.121 +} // End namespace detail.
   1.122 +
   1.123 +} } // End namespaces iostreams, boost.
   1.124 +
   1.125 +#include <boost/iostreams/detail/config/enable_warnings.hpp>
   1.126 +
   1.127 +#endif // #ifndef BOOST_IOSTREAMS_FLUSH_HPP_INCLUDED