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

   1 #ifndef BOOST_METAPARSE_V1_FOLDL_REJECT_INCOMPLETE_START_WITH_PARSER_HPP
   2 #define BOOST_METAPARSE_V1_FOLDL_REJECT_INCOMPLETE_START_WITH_PARSER_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2015.
   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/foldl_reject_incomplete.hpp>
  10 #include <boost/metaparse/v1/get_remaining.hpp>
  11 #include <boost/metaparse/v1/get_position.hpp>
  12 #include <boost/metaparse/v1/get_result.hpp>
  13 #include <boost/metaparse/v1/is_error.hpp>
  14
  15 #include <boost/mpl/eval_if.hpp>
  16
  17 namespace boost
  18 {
  19   namespace metaparse
  20   {
  21     namespace v1
  22     {
  23       template <class P, class StateP, class ForwardOp>
  24       class foldl_reject_incomplete_start_with_parser
  25       {
  26       private:
  27         template <class Res>
  28         struct apply_unchecked :
  29           foldl_reject_incomplete<
  30             P,
  31             typename get_result<Res>::type,
  32             ForwardOp
  33           >::template apply<
  34             typename get_remaining<Res>::type,
  35             typename get_position<Res>::type
  36           >
  37         {};
  38       public:
  39         typedef foldl_reject_incomplete_start_with_parser type;
  40
  41         template <class S, class Pos>
  42         struct apply :
  43           boost::mpl::eval_if<
  44             typename is_error<typename StateP::template apply<S, Pos> >::type,
  45             typename StateP::template apply<S, Pos>,
  46             apply_unchecked<typename StateP::template apply<S, Pos> >
  47           >
  48         {};
  49       };
  50     }
  51   }
  52 }
  53
  54 #endif
  55