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Sprout/sprout/algorithm/fixed/unique_copy.hpp
bolero-MURAKAMI cb1077d247 add copyright
2013-08-08 18:54:33 +09:00

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/*=============================================================================
Copyright (c) 2011-2013 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_UNIQUE_COPY_HPP
#define SPROUT_ALGORITHM_FIXED_UNIQUE_COPY_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/iterator/unique_iterator.hpp>
#include <sprout/algorithm/fixed/result_of.hpp>
#include <sprout/pit/pit.hpp>
#include <sprout/detail/container_complate.hpp>
#include <sprout/iterator/type_traits/category.hpp>
namespace sprout {
namespace fixed {
namespace detail {
template<typename InputIterator, typename Result, typename Head, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size == sizeof...(Args) + 1,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy_impl(
InputIterator, InputIterator,
Result const& result,
typename sprout::container_traits<Result>::size_type,
Head const& head,
Args const&... args
)
{
return sprout::remake<Result>(result, sprout::size(result), args..., head);
}
template<typename InputIterator, typename Result, typename Head, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size != sizeof...(Args) + 1,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy_impl(
InputIterator first, InputIterator last,
Result const& result,
typename sprout::container_traits<Result>::size_type size,
Head const& head,
Args const&... args
)
{
return first != last && sizeof...(Args) + 1 < size
? !(head == *first)
? unique_copy_impl(sprout::next(first), last, result, size, *first, args..., head)
: unique_copy_impl(sprout::next(first), last, result, size, head, args...)
: sprout::detail::container_complate(result, args..., head)
;
}
template<typename InputIterator, typename Result>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_fixed_container<Result>::value,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy(InputIterator first, InputIterator last, Result const& result) {
return first != last
? sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, sprout::size(result), *first)
: sprout::detail::container_complate(result)
;
}
template<typename InputIterator, typename Result>
inline SPROUT_CONSTEXPR typename std::enable_if<
!sprout::is_fixed_container<Result>::value,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy(InputIterator first, InputIterator last, Result const& result) {
static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
return sprout::remake<Result>(
result, sprout::size(result),
sprout::make_unique_iterator(first, last),
sprout::make_unique_iterator(last, last)
);
}
} // namespace detail
//
// unique_copy
//
template<typename InputIterator, typename Result>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
unique_copy(InputIterator first, InputIterator last, Result const& result) {
return sprout::fixed::detail::unique_copy(first, last, result);
}
template<typename Result, typename InputIterator>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
unique_copy(InputIterator first, InputIterator last) {
return sprout::fixed::unique_copy(first, last, sprout::pit<Result>());
}
namespace detail {
template<typename InputIterator, typename Result, typename BinaryPredicate, typename Head, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size == sizeof...(Args) + 1,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy_impl(
InputIterator, InputIterator,
Result const& result, BinaryPredicate,
typename sprout::container_traits<Result>::size_type,
Head const& head,
Args const&... args
)
{
return sprout::remake<Result>(result, sprout::size(result), args..., head);
}
template<typename InputIterator, typename Result, typename BinaryPredicate, typename Head, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size != sizeof...(Args) + 1,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy_impl(
InputIterator first, InputIterator last,
Result const& result, BinaryPredicate pred,
typename sprout::container_traits<Result>::size_type size,
Head const& head,
Args const&... args
)
{
return first != last && sizeof...(Args) + 1 < size
? !pred(head, *first)
? sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, pred, size, *first, args..., head)
: sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, pred, size, head, args...)
: sprout::detail::container_complate(result, args..., head)
;
}
template<typename InputIterator, typename Result, typename BinaryPredicate>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_fixed_container<Result>::value,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy(InputIterator first, InputIterator last, Result const& result, BinaryPredicate pred) {
return first != last
? sprout::fixed::detail::unique_copy_impl(sprout::next(first), last, result, pred, sprout::size(result), *first)
: sprout::detail::container_complate(result)
;
}
template<typename InputIterator, typename Result, typename BinaryPredicate>
inline SPROUT_CONSTEXPR typename std::enable_if<
!sprout::is_fixed_container<Result>::value,
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
unique_copy(InputIterator first, InputIterator last, Result const& result, BinaryPredicate pred) {
static_assert(sprout::is_forward_iterator<InputIterator>::value, "Sorry, not implemented.");
return sprout::remake<Result>(
result, sprout::size(result),
sprout::make_unique_iterator(pred, first, last),
sprout::make_unique_iterator(pred, last, last)
);
}
} // namespace detail
//
// unique_copy
//
template<typename InputIterator, typename Result, typename BinaryPredicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
unique_copy(InputIterator first, InputIterator last, Result const& result, BinaryPredicate pred) {
return sprout::fixed::detail::unique_copy(first, last, result, pred);
}
template<typename Result, typename InputIterator, typename BinaryPredicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
unique_copy(InputIterator first, InputIterator last, BinaryPredicate pred) {
return sprout::fixed::unique_copy(first, last, sprout::pit<Result>(), pred);
}
} // namespace fixed
using sprout::fixed::unique_copy;
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_UNIQUE_COPY_HPP