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- // Copyright (c) 2001-2011 Hartmut Kaiser
- // Copyright (c) 2001-2011 Joel de Guzman
- //
- // 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(SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM)
- #define SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM
- #if defined(_MSC_VER)
- #pragma once
- #endif
- #include <boost/spirit/home/support/unused.hpp>
- #include <boost/config.hpp>
- namespace boost { namespace spirit { namespace karma { namespace detail
- {
- template <typename OutputIterator, typename Context, typename Delimiter>
- struct fail_function
- {
- typedef Context context_type;
- fail_function(OutputIterator& sink_, Context& context_
- , Delimiter const& delim_)
- : sink(sink_), ctx(context_), delim(delim_)
- {}
- template <typename Component, typename Attribute>
- bool operator()(Component const& component, Attribute const& attr) const
- {
- #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
- component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
- #endif
- // return true if any of the generators fail
- return !component.generate(sink, ctx, delim, attr);
- }
- template <typename Component>
- bool operator()(Component const& component) const
- {
- #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
- component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
- #endif
- // return true if any of the generators fail
- return !component.generate(sink, ctx, delim, unused);
- }
- OutputIterator& sink;
- Context& ctx;
- Delimiter const& delim;
- // silence MSVC warning C4512: assignment operator could not be generated
- BOOST_DELETED_FUNCTION(fail_function& operator= (fail_function const&))
- };
- }}}}
- #endif
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