Imported existing code

libraries/include/boost/spirit/home/qi/numeric/uint.hpp

@@ -0,0 +1,53 @@
+/*=============================================================================
+    Copyright (c) 2001-2007 Joel de Guzman
+
+    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_UINT_APR_17_2006_0901AM)
+#define SPIRIT_UINT_APR_17_2006_0901AM
+
+#include <boost/spirit/home/qi/skip.hpp>
+#include <boost/spirit/home/qi/numeric/numeric_utils.hpp>
+#include <boost/mpl/assert.hpp>
+
+namespace boost { namespace spirit { namespace qi
+{
+    template <typename T, unsigned Radix, unsigned MinDigits, int MaxDigits>
+    struct uint_parser
+    {
+        // check template parameter 'Radix' for validity
+        BOOST_MPL_ASSERT_MSG(
+            Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16,
+            not_supported_radix, ());
+
+        template <typename Component, typename Context, typename Iterator>
+        struct attribute
+        {
+            typedef T type;
+        };
+
+        template <
+            typename Component
+          , typename Iterator, typename Context
+          , typename Skipper, typename Attribute>
+        static bool parse(
+            Component const& /*component*/
+          , Iterator& first, Iterator const& last
+          , Context& /*context*/, Skipper const& skipper
+          , Attribute& attr)
+        {
+            qi::skip(first, last, skipper);
+            return extract_uint<T, Radix, MinDigits, MaxDigits>
+                ::call(first, last, attr);
+        }
+
+        template <typename Component, typename Context>
+        static std::string what(Component const& component, Context const& ctx)
+        {
+            return "unsigned integer";
+        }
+    };
+}}}
+
+#endif