ceph/src/boost/boost/spirit/home/support/detail/lexer/char_traits.hpp

   1 // char_traits.hpp
   2 // Copyright (c) 2007-2009 Ben Hanson (http://www.benhanson.net/)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 #ifndef BOOST_SPIRIT_SUPPORT_DETAIL_LEXER_CHAR_TRAITS_HPP
   7 #define BOOST_SPIRIT_SUPPORT_DETAIL_LEXER_CHAR_TRAITS_HPP
   8
   9 // Make sure wchar_t is defined
  10 #include <string>
  11
  12 namespace boost
  13 {
  14 namespace lexer
  15 {
  16 template<typename CharT>
  17 struct char_traits
  18 {
  19     typedef CharT char_type;
  20     typedef CharT index_type;
  21
  22     static index_type call (CharT ch)
  23     {
  24        return ch;
  25     }
  26 };
  27
  28 template<>
  29 struct char_traits<char>
  30 {
  31     typedef char char_type;
  32     typedef unsigned char index_type;
  33
  34     static index_type call (char ch)
  35     {
  36         return static_cast<index_type>(ch);
  37     }
  38 };
  39
  40 template<>
  41 struct char_traits<wchar_t>
  42 {
  43     typedef wchar_t char_type;
  44     typedef wchar_t index_type;
  45
  46     static index_type call (wchar_t ch)
  47     {
  48         return ch;
  49     }
  50 };
  51 }
  52 }
  53
  54 #endif