1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/iostreams/write.hpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,170 @@
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_WRITE_HPP_INCLUDED
1.11 +#define BOOST_IOSTREAMS_WRITE_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/detail/char_traits.hpp>
1.21 +#include <boost/iostreams/detail/dispatch.hpp>
1.22 +#include <boost/iostreams/detail/ios.hpp> // streamsize.
1.23 +#include <boost/iostreams/detail/streambuf.hpp>
1.24 +#include <boost/iostreams/detail/wrap_unwrap.hpp>
1.25 +#include <boost/iostreams/operations_fwd.hpp>
1.26 +#include <boost/iostreams/traits.hpp>
1.27 +#include <boost/mpl/if.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/write.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 write_device_impl;
1.42 +
1.43 +template<typename T>
1.44 +struct write_filter_impl;
1.45 +
1.46 +} // End namespace detail.
1.47 +
1.48 +template<typename T>
1.49 +bool put(T& t, typename char_type_of<T>::type c)
1.50 +{ return detail::write_device_impl<T>::put(detail::unwrap(t), c); }
1.51 +
1.52 +template<typename T>
1.53 +inline std::streamsize write
1.54 + (T& t, const typename char_type_of<T>::type* s, std::streamsize n)
1.55 +{ return detail::write_device_impl<T>::write(detail::unwrap(t), s, n); }
1.56 +
1.57 +template<typename T, typename Sink>
1.58 +inline std::streamsize
1.59 +write( T& t, Sink& snk, const typename char_type_of<T>::type* s,
1.60 + std::streamsize n )
1.61 +{ return detail::write_filter_impl<T>::write(detail::unwrap(t), snk, s, n); }
1.62 +
1.63 +namespace detail {
1.64 +
1.65 +//------------------Definition of write_device_impl---------------------------//
1.66 +
1.67 +template<typename T>
1.68 +struct write_device_impl
1.69 + : mpl::if_<
1.70 + is_custom<T>,
1.71 + operations<T>,
1.72 + write_device_impl<
1.73 + BOOST_DEDUCED_TYPENAME
1.74 + dispatch<
1.75 + T, ostream_tag, streambuf_tag, output
1.76 + >::type
1.77 + >
1.78 + >::type
1.79 + { };
1.80 +
1.81 +template<>
1.82 +struct write_device_impl<ostream_tag> {
1.83 + template<typename T>
1.84 + static bool put(T& t, typename char_type_of<T>::type c)
1.85 + {
1.86 + typedef typename char_type_of<T>::type char_type;
1.87 + typedef BOOST_IOSTREAMS_CHAR_TRAITS(char_type) traits_type;
1.88 + return !traits_type::eq_int_type( t.rdbuf()->s.sputc(),
1.89 + traits_type::eof() );
1.90 + }
1.91 +
1.92 + template<typename T>
1.93 + static std::streamsize write
1.94 + (T& t, const typename char_type_of<T>::type* s, std::streamsize n)
1.95 + { return t.rdbuf()->sputn(s, n); }
1.96 +};
1.97 +
1.98 +template<>
1.99 +struct write_device_impl<streambuf_tag> {
1.100 + template<typename T>
1.101 + static bool put(T& t, typename char_type_of<T>::type c)
1.102 + {
1.103 + typedef typename char_type_of<T>::type char_type;
1.104 + typedef BOOST_IOSTREAMS_CHAR_TRAITS(char_type) traits_type;
1.105 + return !traits_type::eq_int_type(t.sputc(c), traits_type::eof());
1.106 + }
1.107 +
1.108 + template<typename T>
1.109 + static std::streamsize write
1.110 + (T& t, const typename char_type_of<T>::type* s, std::streamsize n)
1.111 + { return t.sputn(s, n); }
1.112 +};
1.113 +
1.114 +template<>
1.115 +struct write_device_impl<output> {
1.116 + template<typename T>
1.117 + static bool put(T& t, typename char_type_of<T>::type c)
1.118 + { return t.write(&c, 1) == 1; }
1.119 +
1.120 + template<typename T>
1.121 + static std::streamsize
1.122 + write(T& t, const typename char_type_of<T>::type* s, std::streamsize n)
1.123 + { return t.write(s, n); }
1.124 +};
1.125 +
1.126 +//------------------Definition of write_filter_impl---------------------------//
1.127 +
1.128 +template<typename T>
1.129 +struct write_filter_impl
1.130 + : mpl::if_<
1.131 + is_custom<T>,
1.132 + operations<T>,
1.133 + write_filter_impl<
1.134 + BOOST_DEDUCED_TYPENAME
1.135 + dispatch<
1.136 + T, multichar_tag, any_tag
1.137 + >::type
1.138 + >
1.139 + >::type
1.140 + { };
1.141 +
1.142 +template<>
1.143 +struct write_filter_impl<multichar_tag> {
1.144 + template<typename T, typename Sink>
1.145 + static std::streamsize
1.146 + write( T& t, Sink& snk, const typename char_type_of<T>::type* s,
1.147 + std::streamsize n )
1.148 + { return t.write(snk, s, n); }
1.149 +};
1.150 +
1.151 +template<>
1.152 +struct write_filter_impl<any_tag> {
1.153 + template<typename T, typename Sink>
1.154 + static std::streamsize
1.155 + write( T& t, Sink& snk, const typename char_type_of<T>::type* s,
1.156 + std::streamsize n )
1.157 + {
1.158 + for (std::streamsize off = 0; off < n; ++off)
1.159 + if (!t.put(snk, s[off]))
1.160 + return off;
1.161 + return n;
1.162 + }
1.163 +};
1.164 +
1.165 +} // End namespace detail.
1.166 +
1.167 +} } // End namespaces iostreams, boost.
1.168 +
1.169 +#endif // #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //-------------------------//
1.170 +
1.171 +#include <boost/iostreams/detail/config/enable_warnings.hpp>
1.172 +
1.173 +#endif // #ifndef BOOST_IOSTREAMS_WRITE_HPP_INCLUDED