v1/util/digit_to_int_c.hpp

0001 #ifndef BOOST_METAPARSE_V1_UTIL_DIGIT_TO_INT_C_HPP
0002 #define BOOST_METAPARSE_V1_UTIL_DIGIT_TO_INT_C_HPP
0003
0004 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2013.
0005 // Distributed under the Boost Software License, Version 1.0.
0006 //    (See accompanying file LICENSE_1_0.txt or copy at
0007 //          http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #include <boost/metaparse/v1/error/digit_expected.hpp>
0010
0011 #include <boost/mpl/int.hpp>
0012
0013 namespace boost
0014 {
0015   namespace metaparse
0016   {
0017     namespace v1
0018     {
0019       namespace util
0020       {
0021         template <char C>
0022         struct digit_to_int_c : error::digit_expected {};
0023
0024         template <> struct digit_to_int_c<'0'> : boost::mpl::int_<0> {};
0025         template <> struct digit_to_int_c<'1'> : boost::mpl::int_<1> {};
0026         template <> struct digit_to_int_c<'2'> : boost::mpl::int_<2> {};
0027         template <> struct digit_to_int_c<'3'> : boost::mpl::int_<3> {};
0028         template <> struct digit_to_int_c<'4'> : boost::mpl::int_<4> {};
0029         template <> struct digit_to_int_c<'5'> : boost::mpl::int_<5> {};
0030         template <> struct digit_to_int_c<'6'> : boost::mpl::int_<6> {};
0031         template <> struct digit_to_int_c<'7'> : boost::mpl::int_<7> {};
0032         template <> struct digit_to_int_c<'8'> : boost::mpl::int_<8> {};
0033         template <> struct digit_to_int_c<'9'> : boost::mpl::int_<9> {};
0034       }
0035     }
0036   }
0037 }
0038
0039 #endif
0040