1 /*=============================================================================
2 Copyright (c) 2001-2014 Joel de Guzman
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 =============================================================================*/
7 #if !defined(SPIRIT_AND_PREDICATE_MARCH_23_2007_0617PM)
8 #define SPIRIT_AND_PREDICATE_MARCH_23_2007_0617PM
14 #include <boost/spirit/home/x3/core/parser.hpp>
16 namespace boost { namespace spirit { namespace x3
18 template <typename Subject>
19 struct and_predicate : unary_parser<Subject, and_predicate<Subject>>
21 typedef unary_parser<Subject, and_predicate<Subject>> base_type;
23 typedef unused_type attribute_type;
24 static bool const has_attribute = false;
26 and_predicate(Subject const& subject)
27 : base_type(subject) {}
29 template <typename Iterator, typename Context
30 , typename RContext, typename Attribute>
31 bool parse(Iterator& first, Iterator const& last
32 , Context const& context, RContext& rcontext, Attribute& /*attr*/) const
35 return this->subject.parse(i, last, context, rcontext, unused);
39 template <typename Subject>
40 inline and_predicate<typename extension::as_parser<Subject>::value_type>
41 operator&(Subject const& subject)
43 return {as_parser(subject)};