| // Copyright (c) 2001-2010 Hartmut Kaiser |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boist.org/LICENSE_1_0.txt) |
| |
| #if !defined(BOOST_SPIRIT_ITERATOR_SINK_MAY_27_2007_0133PM) |
| #define BOOST_SPIRIT_ITERATOR_SINK_MAY_27_2007_0133PM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/iostreams/stream.hpp> |
| #include <boost/spirit/home/karma/detail/generate_to.hpp> |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| namespace boost { namespace spirit { namespace karma { namespace detail |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| template < |
| typename OutputIterator, typename Char, typename CharEncoding |
| , typename Tag |
| > |
| struct iterator_sink |
| { |
| typedef boost::iostreams::sink_tag category; |
| typedef Char char_type; |
| |
| iterator_sink (OutputIterator& sink_) |
| : sink(sink_) |
| {} |
| |
| // Write up to n characters from the buffer s to the output sequence, |
| // returning the number of characters written |
| std::streamsize write (Char const* s, std::streamsize n) |
| { |
| std::streamsize bytes_written = 0; |
| while (n--) { |
| if (!generate_to(sink, *s, CharEncoding(), Tag())) |
| break; |
| ++s; ++bytes_written; |
| } |
| return bytes_written; |
| } |
| |
| OutputIterator& sink; |
| |
| private: |
| // silence MSVC warning C4512: assignment operator could not be generated |
| iterator_sink& operator= (iterator_sink const&); |
| }; |
| |
| }}}} |
| |
| #endif |