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+/*=============================================================================
+ Copyright (c) 2009 Chris Hoeppler
+ Copyright (c) 2014 Lee Clagett
+
+ 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_CONFIX_MAY_30_2014_1819PM)
+#define BOOST_SPIRIT_X3_CONFIX_MAY_30_2014_1819PM
+
+#include <boost/spirit/home/x3/core/parser.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+ template<typename Prefix, typename Subject, typename Postfix>
+ struct confix_directive :
+ unary_parser<Subject, confix_directive<Prefix, Subject, Postfix>>
+ {
+ typedef unary_parser<
+ Subject, confix_directive<Prefix, Subject, Postfix>> base_type;
+ static bool const is_pass_through_unary = true;
+ static bool const handles_container = Subject::handles_container;
+
+ confix_directive(Prefix const& prefix
+ , Subject const& subject
+ , Postfix const& postfix) :
+ base_type(subject),
+ prefix(prefix),
+ postfix(postfix)
+ {
+ }
+
+ template<typename Iterator, typename Context
+ , typename RContext, typename Attribute>
+ bool parse(
+ Iterator& first, Iterator const& last
+ , Context& context, RContext& rcontext, Attribute& attr) const
+ {
+ Iterator save = first;
+
+ if (!(prefix.parse(first, last, context, rcontext, unused) &&
+ this->subject.parse(first, last, context, rcontext, attr) &&
+ postfix.parse(first, last, context, rcontext, unused)))
+ {
+ first = save;
+ return false;
+ }
+
+ return true;
+ }
+
+ Prefix prefix;
+ Postfix postfix;
+ };
+
+ template<typename Prefix, typename Postfix>
+ struct confix_gen
+ {
+ template<typename Subject>
+ confix_directive<
+ Prefix, typename extension::as_parser<Subject>::value_type, Postfix>
+ operator[](Subject const& subject) const
+ {
+ return { prefix, as_parser(subject), postfix };
+ }
+
+ Prefix prefix;
+ Postfix postfix;
+ };
+
+
+ template<typename Prefix, typename Postfix>
+ confix_gen<typename extension::as_parser<Prefix>::value_type,
+ typename extension::as_parser<Postfix>::value_type>
+ confix(Prefix const& prefix, Postfix const& postfix)
+ {
+ return { as_parser(prefix), as_parser(postfix) };
+ }
+
+}}}
+
+#endif