Chris@16: //  Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16: //  Copyright (c) 2001-2011 Joel de Guzman
Chris@16: // 
Chris@16: //  Distributed under the Boost Software License, Version 1.0. (See accompanying 
Chris@16: //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #if !defined(SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM)
Chris@16: #define SPIRIT_KARMA_SEQUENCE_FEB_28_2007_0249PM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/spirit/home/support/unused.hpp>
Chris@16: #include <boost/config.hpp>
Chris@16: 
Chris@16: namespace boost { namespace spirit { namespace karma { namespace detail
Chris@16: {
Chris@16:     template <typename OutputIterator, typename Context, typename Delimiter>
Chris@16:     struct fail_function
Chris@16:     {
Chris@16:         typedef Context context_type;
Chris@16: 
Chris@16:         fail_function(OutputIterator& sink_, Context& context_
Chris@16:             , Delimiter const& delim_)
Chris@16:           : sink(sink_), ctx(context_), delim(delim_) 
Chris@16:         {}
Chris@16: 
Chris@16:         template <typename Component, typename Attribute>
Chris@16:         bool operator()(Component const& component, Attribute const& attr) const
Chris@16:         {
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))  
Chris@16:             component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
Chris@16: #endif
Chris@16:             // return true if any of the generators fail
Chris@16:             return !component.generate(sink, ctx, delim, attr);
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Component>
Chris@16:         bool operator()(Component const& component) const
Chris@16:         {
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))  
Chris@16:             component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
Chris@16: #endif
Chris@16:             // return true if any of the generators fail
Chris@16:             return !component.generate(sink, ctx, delim, unused);
Chris@16:         }
Chris@16: 
Chris@16:         OutputIterator& sink;
Chris@16:         Context& ctx;
Chris@16:         Delimiter const& delim;
Chris@16: 
Chris@16:     private:
Chris@16:         // silence MSVC warning C4512: assignment operator could not be generated
Chris@16:         fail_function& operator= (fail_function const&);
Chris@16:     };
Chris@16: 
Chris@16: }}}}
Chris@16: 
Chris@16: #endif