ceph/src/boost/libs/spirit/include/boost/spirit/home/karma/detail/get_casetag.hpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //  Copyright (c) 2001-2011 Joel de Guzman
   3 //
   4 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #if !defined(BOOST_SPIRIT_KARMA_GET_CASETAG_JANUARY_19_2009_1107AM)
   8 #define BOOST_SPIRIT_KARMA_GET_CASETAG_JANUARY_19_2009_1107AM
   9
  10 #if defined(_MSC_VER)
  11 #pragma once
  12 #endif
  13
  14 #include <boost/mpl/identity.hpp>
  15 #include <boost/spirit/home/support/unused.hpp>
  16 #include <boost/spirit/home/support/common_terminals.hpp>
  17
  18 namespace boost { namespace spirit { namespace karma { namespace detail
  19 {
  20     template <typename Modifiers, bool case_modifier = false>
  21     struct get_casetag : mpl::identity<unused_type> {};
  22
  23     template <typename Modifiers>
  24     struct get_casetag<Modifiers, true>
  25       : mpl::if_<has_modifier<Modifiers, tag::char_code_base<tag::lower> >
  26           , tag::lower, tag::upper> {};
  27 }}}}
  28
  29 #endif