Preparation for V5.

include/boost/regex/v5/char_regex_traits.hpp

@@ -0,0 +1,81 @@
+/*
+ *
+ * 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         char_regex_traits.cpp
+  *   VERSION      see <boost/version.hpp>
+  *   DESCRIPTION: Declares deprecated traits classes char_regex_traits<>.
+  */
+
+
+#ifndef BOOST_REGEX_V4_CHAR_REGEX_TRAITS_HPP
+#define BOOST_REGEX_V4_CHAR_REGEX_TRAITS_HPP
+
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable: 4103)
+#endif
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+
+namespace boost{
+
+namespace deprecated{
+//
+// class char_regex_traits_i
+// provides case insensitive traits classes (deprecated):
+template <class charT>
+class char_regex_traits_i : public regex_traits<charT> {};
+
+template<>
+class char_regex_traits_i<char> : public regex_traits<char>
+{
+public:
+   typedef char char_type;
+   typedef unsigned char uchar_type;
+   typedef unsigned int size_type;
+   typedef regex_traits<char> base_type;
+
+};
+
+#ifndef BOOST_NO_WREGEX
+template<>
+class char_regex_traits_i<wchar_t> : public regex_traits<wchar_t>
+{
+public:
+   typedef wchar_t char_type;
+   typedef unsigned short uchar_type;
+   typedef unsigned int size_type;
+   typedef regex_traits<wchar_t> base_type;
+
+};
+#endif
+} // namespace deprecated
+} // namespace boost
+
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable: 4103)
+#endif
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+
+#endif // include
+