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/*=============================================================================
Copyright (c) 2015 Mario Lang
Copyright (c) 2001-2011 Hartmut Kaiser
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_HOME_X3_EXTENSIONS_MATCHES_HPP)
#define BOOST_SPIRIT_HOME_X3_EXTENSIONS_MATCHES_HPP
#include <boost/spirit/home/x3/core/parser.hpp>
#include <boost/spirit/home/x3/support/traits/move_to.hpp>
#include <boost/spirit/home/x3/support/unused.hpp>
namespace boost { namespace spirit { namespace x3
{
template <typename Subject>
struct matches_directive : unary_parser<Subject, matches_directive<Subject>>
{
using base_type = unary_parser<Subject, matches_directive<Subject>>;
static bool const has_attribute = true;
using attribute_type = bool;
matches_directive(Subject const& subject) : base_type(subject) {}
template <typename Iterator, typename Context
, typename RContext, typename Attribute>
bool parse(Iterator& first, Iterator const& last
, Context const& context, RContext& rcontext, Attribute& attr) const
{
bool const result = this->subject.parse(
first, last, context, rcontext, unused);
traits::move_to(result, attr);
return true;
}
};
struct matches_gen
{
template <typename Subject>
matches_directive<typename extension::as_parser<Subject>::value_type>
operator[](Subject const& subject) const
{
return { as_parser(subject) };
}
};
auto const matches = matches_gen{};
}}}
#endif
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