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Diffstat (limited to 'boost/metaparse/v1/impl/push_front_c.hpp')
| -rw-r--r-- | boost/metaparse/v1/impl/push_front_c.hpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/boost/metaparse/v1/impl/push_front_c.hpp b/boost/metaparse/v1/impl/push_front_c.hpp new file mode 100644 index 0000000000..27d0d3c7c9 --- /dev/null +++ b/boost/metaparse/v1/impl/push_front_c.hpp @@ -0,0 +1,53 @@ +#ifndef BOOST_METAPARSE_V1_IMPL_PUSH_FRONT_C_HPP +#define BOOST_METAPARSE_V1_IMPL_PUSH_FRONT_C_HPP + +// Copyright Abel Sinkovics (abel@sinkovics.hu) 2013. +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <boost/metaparse/config.hpp> +#include <boost/metaparse/v1/fwd/string.hpp> + +#include <boost/preprocessor/arithmetic/dec.hpp> +#include <boost/preprocessor/repetition/enum_params.hpp> + +namespace boost +{ + namespace metaparse + { + namespace v1 + { + namespace impl + { + template <class S, char C> + struct push_front_c; + +#ifdef BOOST_METAPARSE_VARIADIC_STRING + template <char... Cs, char C> + struct push_front_c<string<Cs...>, C> : string<C, Cs...> {}; +#else + template < + BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C), + char Ch + > + struct push_front_c< + string<BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C)>, + Ch + > : + string< + Ch, + BOOST_PP_ENUM_PARAMS( + BOOST_PP_DEC(BOOST_METAPARSE_LIMIT_STRING_SIZE), + C + ) + > + {}; +#endif + } + } + } +} + +#endif + |