Sprout/sprout/weed/detail/ndigits.hpp
2014-01-08 16:48:12 +09:00

59 lines
2 KiB
C++

/*=============================================================================
Copyright (c) 2011-2014 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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)
=============================================================================*/
#ifndef SPROUT_WEED_DETAIL_NDIGITS_HPP
#define SPROUT_WEED_DETAIL_NDIGITS_HPP
#include <cstddef>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/weed/detail/digits.hpp>
#include <sprout/weed/detail/bdigits.hpp>
#include <sprout/weed/detail/odigits.hpp>
#include <sprout/weed/detail/xdigits.hpp>
namespace sprout {
namespace weed {
namespace detail {
template<std::size_t Radix, typename IntType, typename Elem>
inline SPROUT_CONSTEXPR sprout::tuples::tuple<IntType, bool> from_ndigit(
Elem c,
typename std::enable_if<Radix == 10>::type* = 0
)
{
return sprout::weed::detail::from_digit<IntType>(c);
}
template<std::size_t Radix, typename IntType, typename Elem>
inline SPROUT_CONSTEXPR sprout::tuples::tuple<IntType, bool> from_ndigit(
Elem c,
typename std::enable_if<Radix == 2>::type* = 0
)
{
return sprout::weed::detail::from_bdigit<IntType>(c);
}
template<std::size_t Radix, typename IntType, typename Elem>
inline SPROUT_CONSTEXPR sprout::tuples::tuple<IntType, bool> from_ndigit(
Elem c,
typename std::enable_if<Radix == 8>::type* = 0
)
{
return sprout::weed::detail::from_odigit<IntType>(c);
}
template<std::size_t Radix, typename IntType, typename Elem>
inline SPROUT_CONSTEXPR sprout::tuples::tuple<IntType, bool> from_ndigit(
Elem c,
typename std::enable_if<Radix == 16>::type* = 0
)
{
return sprout::weed::detail::from_xdigit<IntType>(c);
}
} // namespace detail
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_DETAIL_NDIGITS_HPP