Chris@16: //  Copyright (c) 2001-2011 Joel de Guzman
Chris@16: //  Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16: //  Copyright (c) 2009 Francois Barel
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(BOOST_SPIRIT_KARMA_PARAMETERIZED_AUGUST_09_2009_0601AM)
Chris@16: #define BOOST_SPIRIT_KARMA_PARAMETERIZED_AUGUST_09_2009_0601AM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/ref.hpp>
Chris@16: 
Chris@16: #include <boost/spirit/home/support/handles_container.hpp>
Chris@16: #include <boost/spirit/home/karma/generator.hpp>
Chris@16: 
Chris@16: namespace boost { namespace spirit { namespace karma
Chris@16: {
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // parameterized_nonterminal: generator representing the invocation of a
Chris@16:     // nonterminal, passing inherited attributes
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename Subject, typename Params>
Chris@16:     struct parameterized_nonterminal
Chris@16:       : generator<parameterized_nonterminal<Subject, Params> >
Chris@16:     {
Chris@16:         typedef mpl::int_<generator_properties::all_properties> properties;
Chris@16: 
Chris@16:         parameterized_nonterminal(Subject const& subject, Params const& params)
Chris@16:           : ref(subject), params(params)
Chris@16:         {
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context, typename Unused>
Chris@16:         struct attribute
Chris@16:             // Forward to subject.
Chris@16:           : Subject::template attribute<Context, Unused> {};
Chris@16: 
Chris@16:         template <typename OutputIterator, typename Context, typename Delimiter
Chris@16:           , typename Attribute>
Chris@16:         bool generate(OutputIterator& sink, Context& context
Chris@16:           , Delimiter const& delim, Attribute const& attr) const
Chris@16:         {
Chris@16:             // Forward to subject, passing the additional
Chris@16:             // params argument to generate.
Chris@16:             return ref.get().generate(sink, context, delim, attr, params);
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& context) const
Chris@16:         {
Chris@16:             // Forward to subject.
Chris@16:             return ref.get().what(context);
Chris@16:         }
Chris@16: 
Chris@16:         boost::reference_wrapper<Subject const> ref;
Chris@16:         Params params;
Chris@16:     };
Chris@16: }}}
Chris@16: 
Chris@16: namespace boost { namespace spirit { namespace traits
Chris@16: {
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename Subject, typename Params, typename Attribute
Chris@16:       , typename Context, typename Iterator>
Chris@16:     struct handles_container<karma::parameterized_nonterminal<Subject, Params>
Chris@16:           , Attribute, Context, Iterator>
Chris@16:       : handles_container<typename remove_const<Subject>::type
Chris@16:         , Attribute, Context, Iterator> 
Chris@16:     {};
Chris@16: }}}
Chris@16: 
Chris@16: #endif