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/*=============================================================================
Copyright (c) 2001-2014 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(BOOST_SPIRIT_X3_PROXY_FEBRUARY_1_2013_0211PM)
#define BOOST_SPIRIT_X3_PROXY_FEBRUARY_1_2013_0211PM
#include <boost/spirit/home/x3/core/parser.hpp>
#include <boost/spirit/home/x3/core/detail/parse_into_container.hpp>
#include <boost/spirit/home/x3/support/traits/attribute_category.hpp>
namespace boost { namespace spirit { namespace x3
{
template <typename Subject, typename Derived>
struct proxy : unary_parser<Subject, Derived>
{
static bool const is_pass_through_unary = true;
proxy(Subject const& subject)
: unary_parser<Subject, Derived>(subject) {}
// Overload this when appropriate. The proxy parser will pick up
// the most derived overload.
template <typename Iterator, typename Context
, typename RuleContext, typename Attribute, typename Category>
bool parse_subject(Iterator& first, Iterator const& last
, Context const& context, RuleContext& rcontext, Attribute& attr, Category) const
{
this->subject.parse(first, last, context, rcontext, attr);
return true;
}
// Main entry point.
template <typename Iterator, typename Context
, typename RuleContext, typename Attribute>
bool parse(Iterator& first, Iterator const& last
, Context const& context, RuleContext& rcontext, Attribute& attr) const
{
return this->derived().parse_subject(first, last, context, rcontext, attr
, typename traits::attribute_category<Attribute>::type());
}
};
}}}
#endif
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