Sprout/sprout/sub_array/sub_window.hpp
2015-01-10 19:13:57 +09:00

181 lines
6.9 KiB
C++

/*=============================================================================
Copyright (c) 2011-2015 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_SUB_ARRAY_SUB_WINDOW_HPP
#define SPROUT_SUB_ARRAY_SUB_WINDOW_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/sub_array/sub_array.hpp>
#include <sprout/sub_array/type_traits.hpp>
namespace sprout {
//
// sub_window
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type
sub_window(
Container& arr,
typename sprout::container_traits<sprout::sub_array<Container&> >::difference_type to_first,
typename sprout::container_traits<sprout::sub_array<Container&> >::difference_type to_last
)
{
return sprout::sub_array<Container&>(arr, to_first, to_last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type
sub_window(
Container& arr,
typename sprout::container_traits<sprout::sub_array<Container&> >::difference_type to_first = 0
)
{
return sprout::sub_array<Container&>(arr, to_first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type
sub_window(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type to_first,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type to_last
)
{
return sprout::sub_array<Container const&>(arr, to_first, to_last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type
sub_window(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type to_first = 0
)
{
return sprout::sub_array<Container const&>(arr, to_first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type
sub_window(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first,
typename sprout::container_traits<Container>::difference_type to_last
)
{
return Container(arr, to_first, to_last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type
sub_window(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first = 0
)
{
return Container(arr, to_first, sprout::size(arr));
}
//
// csub_window
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type
csub_window(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type to_first,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type to_last
)
{
return sprout::sub_window(arr, to_first, to_last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type
csub_window(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type to_first = 0
)
{
return sprout::sub_window(arr, to_first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type
csub_window(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first,
typename sprout::container_traits<Container>::difference_type to_last
)
{
return sprout::sub_array<typename Container::internal_type const&>(
arr.get_array(),
arr.to_first() + to_first,
arr.to_first() + to_last
);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type
csub_window(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first = 0
)
{
return sprout::sub_array<typename Container::internal_type const&>(
arr.get_array(),
arr.to_first() + to_first,
arr.to_first() + sprout::size(arr)
);
}
//
// sub_window_copy
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type
sub_window_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first,
typename sprout::container_traits<Container>::difference_type to_last
)
{
return sprout::sub_array<Container>(arr, to_first, to_last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type
sub_window_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first = 0
)
{
return sprout::sub_array<Container>(arr, to_first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type
sub_window_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first,
typename sprout::container_traits<Container>::difference_type to_last
)
{
return sprout::sub_array<typename Container::internal_type>(
arr.get_array(),
arr.to_first() + to_first,
arr.to_first() + to_last
);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type
sub_window_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type to_first = 0
)
{
return sprout::sub_array<typename Container::internal_type>(
arr.get_array(),
arr.to_first() + to_first,
arr.to_first() + sprout::size(arr)
);
}
} // namespace sprout
#endif // #ifndef SPROUT_SUB_ARRAY_SUB_WINDOW_HPP