ceph/src/boost/libs/metaparse/include/boost/metaparse/v1/middle_of.hpp

   1 #ifndef BOOST_METAPARSE_V1_KEEP_MIDDLE_HPP
   2 #define BOOST_METAPARSE_V1_KEEP_MIDDLE_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2009 - 2010.
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/metaparse/v1/nth_of.hpp>
  10 #include <boost/metaparse/v1/transform_error_message.hpp>
  11 #include <boost/metaparse/v1/get_col.hpp>
  12 #include <boost/metaparse/v1/get_line.hpp>
  13
  14 #include <boost/metaparse/v1/error/unpaired.hpp>
  15
  16 namespace boost
  17 {
  18   namespace metaparse
  19   {
  20     namespace v1
  21     {
  22       template <class P1, class P2, class P3>
  23       struct middle_of
  24       {
  25         typedef middle_of type;
  26
  27         template <class S, class Pos>
  28         struct apply :
  29           nth_of_c<
  30             1,
  31             P1,
  32             P2,
  33             transform_error_message<
  34               P3,
  35               error::unpaired<
  36                 get_line<Pos>::type::value,
  37                 get_col<Pos>::type::value
  38               >
  39             >
  40           >::template apply<S, Pos>
  41         {};
  42       };
  43     }
  44   }
  45 }
  46
  47 #endif
  48