comparison DEPENDENCIES/generic/include/boost/spirit/home/x3/directive/skip.hpp @ 102:f46d142149f5

Whoops, finish that update

+/*=============================================================================
+    Copyright (c) 2001-2014 Joel de Guzman
+    Copyright (c) 2013 Agustin Berge
+
+    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(SPIRIT_SKIP_JANUARY_26_2008_0422PM)
+#define SPIRIT_SKIP_JANUARY_26_2008_0422PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/x3/support/context.hpp>
+#include <boost/spirit/home/x3/support/unused.hpp>
+#include <boost/spirit/home/x3/core/skip_over.hpp>
+#include <boost/spirit/home/x3/core/parser.hpp>
+#include <boost/utility/enable_if.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+    template <typename Subject>
+    struct reskip_directive : unary_parser<Subject, reskip_directive<Subject>>
+    {
+        typedef unary_parser<Subject, reskip_directive<Subject>> base_type;
+        static bool const is_pass_through_unary = true;
+        static bool const handles_container = Subject::handles_container;
+
+        reskip_directive(Subject const& subject)
+          : base_type(subject) {}
+
+        template <typename Iterator, typename Context
+          , typename RContext, typename Attribute>
+        typename disable_if<has_skipper<Context>, bool>::type
+        parse(Iterator& first, Iterator const& last
+          , Context const& context, RContext& rcontext, Attribute& attr) const
+        {
+            auto const& skipper =
+                detail::get_unused_skipper(x3::get<skipper_tag>(context));
+
+            return this->subject.parse(
+                first, last
+              , make_context<skipper_tag>(skipper, context)
+              , rcontext
+              , attr);
+        }
+        template <typename Iterator, typename Context
+          , typename RContext, typename Attribute>
+        typename enable_if<has_skipper<Context>, bool>::type
+        parse(Iterator& first, Iterator const& last
+          , Context const& context, RContext& rcontext, Attribute& attr) const
+        {
+            return this->subject.parse(
+                first, last
+              , context
+              , rcontext
+              , attr);
+        }
+    };
+
+    template <typename Subject, typename Skipper>
+    struct skip_directive : unary_parser<Subject, skip_directive<Subject, Skipper>>
+    {
+        typedef unary_parser<Subject, skip_directive<Subject, Skipper>> base_type;
+        static bool const is_pass_through_unary = true;
+        static bool const handles_container = Subject::handles_container;
+
+        skip_directive(Subject const& subject, Skipper const& skipper)
+          : base_type(subject)
+          , skipper(skipper)
+        {}
+
+        template <typename Iterator, typename Context
+          , typename RContext, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, RContext& rcontext, Attribute& attr) const
+        {
+            return this->subject.parse(
+                first, last
+              , make_context<skipper_tag>(skipper, context)
+              , rcontext
+              , attr);
+        }
+
+        Skipper const skipper;
+    };
+
+    struct reskip_gen
+    {
+        template <typename Skipper>
+        struct skip_gen
+        {
+            explicit skip_gen(Skipper const& skipper)
+              : skipper_(skipper) {}
+
+            template <typename Subject>
+            skip_directive<typename extension::as_parser<Subject>::value_type, Skipper>
+            operator[](Subject const& subject) const
+            {
+                return {as_parser(subject), skipper_};
+            }
+
+            Skipper skipper_;
+        };
+        
+        template <typename Skipper>
+        skip_gen<Skipper> const operator()(Skipper const& skipper) const
+        {
+            return skip_gen<Skipper>(skipper);
+        }
+
+        template <typename Subject>
+        reskip_directive<typename extension::as_parser<Subject>::value_type>
+        operator[](Subject const& subject) const
+        {
+            return {as_parser(subject)};
+        }
+    };
+
+    reskip_gen const skip = reskip_gen();
+}}}
+
+#endif