| // Copyright (c) 2001-2009 Hartmut Kaiser |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #if !defined(BOOST_SPIRIT_KARMA_DETAIL_EXTRACT_FROM_FEB_20_2007_0417PM) |
| #define BOOST_SPIRIT_KARMA_DETAIL_EXTRACT_FROM_FEB_20_2007_0417PM |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
| #pragma once // MS compatible compilers support #pragma once |
| #endif |
| |
| #include <boost/spirit/home/support/unused.hpp> |
| #include <boost/spirit/home/support/char_class.hpp> |
| |
| namespace boost { namespace spirit { namespace karma { namespace detail |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| // These utility functions insert the given parameter into the supplied |
| // output iterator. |
| // If the parameter is spirit's unused_type, this is a no_op. |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename OutputIterator, typename Parameter, typename Tag> |
| inline bool |
| generate_to(OutputIterator& sink, Parameter const& p, Tag) |
| { |
| typedef typename Tag::char_set char_set; |
| typedef typename Tag::char_class char_class; |
| |
| *sink = spirit::char_class::convert<char_set>::to(char_class(), p); |
| ++sink; |
| return true; |
| } |
| |
| template <typename OutputIterator, typename Parameter> |
| inline bool |
| generate_to(OutputIterator& sink, Parameter const& p, unused_type = unused) |
| { |
| *sink = p; |
| ++sink; |
| return true; |
| } |
| |
| template <typename OutputIterator, typename Tag> |
| inline bool generate_to(OutputIterator& sink, unused_type, Tag) |
| { |
| return true; |
| } |
| |
| template <typename OutputIterator> |
| inline bool generate_to(OutputIterator& sink, unused_type) |
| { |
| return true; |
| } |
| |
| }}}} // namespace boost::spirit::karma::detail |
| |
| #endif // KARMA_CORE_DETAIL_INSERT_TO_HPP |