output_iterator_adapter.hpp 1.4 KB

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