Sprout/sprout/algorithm/fixed/fill.hpp
2014-01-08 16:48:12 +09:00

87 lines
3.1 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_ALGORITHM_FIXED_FILL_HPP
#define SPROUT_ALGORITHM_FIXED_FILL_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/metafunction.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/iterator/value_iterator.hpp>
#include <sprout/algorithm/fixed/results.hpp>
#include <sprout/pit/pit.hpp>
namespace sprout {
namespace fixed {
namespace detail {
template<typename Container, typename T, sprout::index_t... Indexes>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
fill_impl(
Container const& cont, T const& value,
sprout::index_tuple<Indexes...>,
typename sprout::container_traits<Container>::difference_type offset,
typename sprout::container_traits<Container>::size_type size
)
{
return sprout::remake<Container>(
cont, sprout::size(cont),
(Indexes >= offset && Indexes < offset + size
? value
: *sprout::next(sprout::internal_begin(cont), Indexes)
)...
);
}
template<typename Container, typename T>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_fixed_container<Container>::value,
typename sprout::fixed::results::algorithm<Container>::type
>::type
fill(Container const& cont, T const& value) {
return sprout::fixed::detail::fill_impl(
cont, value,
sprout::container_indexes<Container>::make(),
sprout::internal_begin_offset(cont),
sprout::size(cont)
);
}
template<typename Container, typename T>
inline SPROUT_CONSTEXPR typename std::enable_if<
!sprout::is_fixed_container<Container>::value,
typename sprout::fixed::results::algorithm<Container>::type
>::type
fill(Container const& cont, T const& value) {
return sprout::remake<Container>(
cont, sprout::size(cont),
sprout::value_iterator<T const&>(value, sprout::size(cont)),
sprout::value_iterator<T const&>(value, 0)
);
}
} // namespace detail
//
// fill
//
template<typename Container, typename T>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
fill(Container const& cont, T const& value) {
return sprout::fixed::detail::fill(cont, value);
}
template<typename Container, typename T>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Container>::type
fill(T const& value) {
return sprout::fixed::fill(sprout::pit<Container>(), value);
}
} // namespace fixed
using sprout::fixed::fill;
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_FILL_HPP