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#ifndef BOOST_METAPARSE_V1_IMPL_SKIP_SEQ_HPP
#define BOOST_METAPARSE_V1_IMPL_SKIP_SEQ_HPP
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2013.
// 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)
#include <boost/metaparse/v1/is_error.hpp>
#include <boost/metaparse/v1/accept.hpp>
#include <boost/metaparse/v1/get_remaining.hpp>
#include <boost/metaparse/v1/get_position.hpp>
#include <boost/metaparse/v1/get_result.hpp>
namespace boost
{
namespace metaparse
{
namespace v1
{
namespace impl
{
struct skip_seq
{
private:
template <class ParsingResult, class NewResultValue>
struct change_result :
accept<
NewResultValue,
typename get_remaining<ParsingResult>::type,
typename get_position<ParsingResult>::type
>
{};
template <class Result, class P>
struct apply_unchecked :
boost::mpl::eval_if<
typename is_error<
typename P::template apply<
typename get_remaining<Result>::type,
typename get_position<Result>::type
>
>::type,
typename P::template apply<
typename get_remaining<Result>::type,
typename get_position<Result>::type
>,
change_result<
typename P::template apply<
typename get_remaining<Result>::type,
typename get_position<Result>::type
>,
typename get_result<Result>::type
>
>
{};
public:
template <class Result, class P>
struct apply :
boost::mpl::eval_if<
is_error<Result>,
Result,
apply_unchecked<Result, P>
>
{};
};
}
}
}
}
#endif
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