ceph/src/boost/boost/iostreams/detail/adapter/output_iterator_adapter.hpp

   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_DETAIL_OUTPUT_ITERATOR_ADAPTER_HPP_INCLUDED
   9 #define BOOST_IOSTREAMS_DETAIL_OUTPUT_ITERATOR_ADAPTER_HPP_INCLUDED
  10
  11 #if defined(_MSC_VER)
  12 # pragma once
  13 #endif
  14
  15 #include <algorithm>                      // copy.
  16 #include <iosfwd>                         // streamsize.
  17 #include <boost/iostreams/categories.hpp> // tags.
  18 #include <boost/static_assert.hpp>
  19 #include <boost/type_traits/is_convertible.hpp>
  20
  21 namespace boost { namespace iostreams { namespace detail {
  22
  23 template<typename Mode, typename Ch, typename OutIt>
  24 class output_iterator_adapter {
  25 public:
  26     BOOST_STATIC_ASSERT((is_convertible<Mode, output>::value));
  27     typedef Ch        char_type;
  28     typedef sink_tag  category;
  29     explicit output_iterator_adapter(OutIt out) : out_(out) { }
  30     std::streamsize write(const char_type* s, std::streamsize n)
  31     {
  32         std::copy(s, s + n, out_);
  33         return n;
  34     }
  35 private:
  36     OutIt out_;
  37 };
  38
  39 } } } // End namespaces detail, iostreams, boost.
  40
  41 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_OUTPUT_ITERATOR_ADAPTER_HPP_INCLUDED //-----//