From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/regex/v4/iterator_category.hpp | 91 +++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 cutl/details/boost/regex/v4/iterator_category.hpp

(limited to 'cutl/details/boost/regex/v4/iterator_category.hpp')

diff --git a/cutl/details/boost/regex/v4/iterator_category.hpp b/cutl/details/boost/regex/v4/iterator_category.hpp
new file mode 100644
index 0000000..18b1291
--- /dev/null
+++ b/cutl/details/boost/regex/v4/iterator_category.hpp
@@ -0,0 +1,91 @@
+/*
+ *
+ * Copyright (c) 2002
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to 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)
+ *
+ */
+
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         regex_match.hpp
+  *   VERSION      see <cutl/details/boost/version.hpp>
+  *   DESCRIPTION: Iterator traits for selecting an iterator type as
+  *                an integral constant expression.
+  */
+
+
+#ifndef BOOST_REGEX_ITERATOR_CATEGORY_HPP
+#define BOOST_REGEX_ITERATOR_CATEGORY_HPP
+
+#include <iterator>
+#include <cutl/details/boost/type_traits/is_convertible.hpp>
+#include <cutl/details/boost/type_traits/is_pointer.hpp>
+
+namespace cutl_details_boost{
+namespace detail{
+
+template <class I>
+struct is_random_imp
+{
+#ifndef BOOST_NO_STD_ITERATOR_TRAITS
+private:
+   typedef typename std::iterator_traits<I>::iterator_category cat;
+public:
+   BOOST_STATIC_CONSTANT(bool, value = (::cutl_details_boost::is_convertible<cat*, std::random_access_iterator_tag*>::value));
+#else
+   BOOST_STATIC_CONSTANT(bool, value = false);
+#endif
+};
+
+template <class I>
+struct is_random_pointer_imp
+{
+   BOOST_STATIC_CONSTANT(bool, value = true);
+};
+
+template <bool is_pointer_type>
+struct is_random_imp_selector
+{
+   template <class I>
+   struct rebind
+   {
+      typedef is_random_imp<I> type;
+   };
+};
+
+template <>
+struct is_random_imp_selector<true>
+{
+   template <class I>
+   struct rebind
+   {
+      typedef is_random_pointer_imp<I> type;
+   };
+};
+
+}
+
+template <class I>
+struct is_random_access_iterator
+{
+private:
+   typedef detail::is_random_imp_selector< ::cutl_details_boost::is_pointer<I>::value> selector;
+   typedef typename selector::template rebind<I> bound_type;
+   typedef typename bound_type::type answer;
+public:
+   BOOST_STATIC_CONSTANT(bool, value = answer::value);
+};
+
+#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
+template <class I>
+const bool is_random_access_iterator<I>::value;
+#endif
+
+}
+
+#endif
+
-- 
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