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/*=============================================================================
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(BOOST_SPIRIT_SUCCESS_HANDLER_FEBRUARY_25_2011_1051AM)
#define BOOST_SPIRIT_SUCCESS_HANDLER_FEBRUARY_25_2011_1051AM
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/spirit/home/qi/nonterminal/rule.hpp>
#include <boost/function.hpp>
namespace boost { namespace spirit { namespace qi
{
template <
typename Iterator, typename Context
, typename Skipper, typename F
>
struct success_handler
{
typedef function<
bool(Iterator& first, Iterator const& last
, Context& context
, Skipper const& skipper
)>
function_type;
success_handler(function_type subject_, F f_)
: subject(subject_)
, f(f_)
{
}
bool operator()(
Iterator& first, Iterator const& last
, Context& context, Skipper const& skipper) const
{
Iterator i = first;
bool r = subject(i, last, context, skipper);
if (r)
{
typedef
fusion::vector<
Iterator&
, Iterator const&
, Iterator const&>
params;
skip_over(first, last, skipper);
params args(first, last, i);
f(args, context);
first = i;
}
return r;
}
function_type subject;
F f;
};
template <
typename Iterator, typename T0, typename T1, typename T2
, typename F>
void on_success(rule<Iterator, T0, T1, T2>& r, F f)
{
typedef rule<Iterator, T0, T1, T2> rule_type;
typedef
success_handler<
Iterator
, typename rule_type::context_type
, typename rule_type::skipper_type
, F>
success_handler;
r.f = success_handler(r.f, f);
}
}}}
#endif
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