1 files changed, 157 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/directive/repeat.hpp b/boost/spirit/home/x3/directive/repeat.hpp
new file mode 100644
index 0000000000..1cdee97fb9
--- /dev/null
+++ b/boost/spirit/home/x3/directive/repeat.hpp
@@ -0,0 +1,157 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2001-2011 Hartmut Kaiser
+    Copyright (c) 2014 Thomas Bernard
+
+    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_X3_REPEAT_APRIL_16_2014_0848AM)
+#define SPIRIT_X3_REPEAT_APRIL_16_2014_0848AM
+
+#include <boost/function_types/function_type.hpp>
+#include <boost/function_types/parameter_types.hpp>
+#include <boost/spirit/home/x3/core/parser.hpp>
+#include <boost/spirit/home/x3/operator/kleene.hpp>
+
+namespace boost { namespace spirit { namespace x3 { namespace detail
+{
+    template <typename T>
+    struct exact_count // handles repeat(exact)[p]
+    {
+        typedef T type;
+        bool got_max(T i) const { return i >= exact_value; }
+        bool got_min(T i) const { return i >= exact_value; }
+
+        T const exact_value;
+    };
+
+    template <typename T>
+    struct finite_count // handles repeat(min, max)[p]
+    {
+        typedef T type;
+        bool got_max(T i) const { return i >= max_value; }
+        bool got_min(T i) const { return i >= min_value; }
+
+        T const min_value;
+        T const max_value;
+    };
+
+    template <typename T>
+    struct infinite_count // handles repeat(min, inf)[p]
+    {
+        typedef T type;
+        bool got_max(T /*i*/) const { return false; }
+        bool got_min(T i) const { return i >= min_value; }
+
+        T const min_value;
+    };
+}}}}
+
+namespace boost { namespace spirit { namespace x3
+{
+    template<typename Subject, typename RepeatCountLimit>
+    struct repeat_directive : unary_parser<Subject, repeat_directive<Subject,RepeatCountLimit>>
+    {
+        typedef unary_parser<Subject, repeat_directive<Subject,RepeatCountLimit>> base_type;
+        static bool const is_pass_through_unary = true;
+        static bool const handles_container = true;
+
+        repeat_directive(Subject const& subject, RepeatCountLimit const& repeat_limit_)
+          : base_type(subject)
+          , repeat_limit(repeat_limit_)
+        {}
+
+        template<typename Iterator, typename Context
+          , typename RContext, typename Attribute>
+        bool parse(
+            Iterator& first, Iterator const& last
+          , Context const& context, RContext& rcontext, Attribute& attr) const
+        {
+            Iterator local_iterator = first;
+            typename RepeatCountLimit::type i{};
+            for (/**/; !repeat_limit.got_min(i); ++i)
+            {
+                if (!detail::parse_into_container(
+                      this->subject, local_iterator, last, context, rcontext, attr))
+                    return false;
+            }
+
+            first = local_iterator;
+            // parse some more up to the maximum specified
+            for (/**/; !repeat_limit.got_max(i); ++i)
+            {
+                if (!detail::parse_into_container(
+                      this->subject, first, last, context, rcontext, attr))
+                    break;
+            }
+            return true;
+        }
+
+        RepeatCountLimit repeat_limit;
+    };
+
+    // Infinite loop tag type
+    struct inf_type {};
+    const inf_type inf = inf_type();
+
+    struct repeat_gen
+    {
+        template<typename Subject>
+        kleene<typename extension::as_parser<Subject>::value_type>
+        operator[](Subject const& subject) const
+        {
+            return { as_parser(subject) };
+        }
+
+        template <typename T>
+        struct repeat_gen_lvl1
+        {
+            repeat_gen_lvl1(T&& repeat_limit_)
+              : repeat_limit(repeat_limit_)
+            {}
+
+            template<typename Subject>
+            repeat_directive< typename extension::as_parser<Subject>::value_type, T>
+            operator[](Subject const& subject) const
+            {
+                return { as_parser(subject),repeat_limit };
+            }
+
+            T repeat_limit;
+        };
+
+        template <typename T>
+        repeat_gen_lvl1<detail::exact_count<T>>
+        operator()(T const exact) const
+        {
+            return { detail::exact_count<T>{exact} };
+        }
+
+        template <typename T>
+        repeat_gen_lvl1<detail::finite_count<T>>
+        operator()(T const min_val, T const max_val) const
+        {
+            return { detail::finite_count<T>{min_val,max_val} };
+        }
+
+        template <typename T>
+        repeat_gen_lvl1<detail::infinite_count<T>>
+        operator()(T const min_val, inf_type const &) const
+        {
+            return { detail::infinite_count<T>{min_val} };
+        }
+    };
+
+    auto const repeat = repeat_gen{};
+}}}
+
+namespace boost { namespace spirit { namespace x3 { namespace traits
+{
+    template <typename Subject, typename RepeatCountLimit, typename Context>
+    struct attribute_of<x3::repeat_directive<Subject,RepeatCountLimit>, Context>
+      : build_container<typename attribute_of<Subject, Context>::type> {};
+}}}}
+
+
+#endif