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https://github.com/bolero-MURAKAMI/Sprout.git
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modify: tuple and hash support(class adapt) implemented in each class headers.
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bolero-MURAKAMI
parent
3a2610cb5c
commit
ee8c952d05
35 changed files with 1720 additions and 1557 deletions
368
sprout/sub_array/sub_array.hpp
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368
sprout/sub_array/sub_array.hpp
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#ifndef SPROUT_SUB_ARRAY_SUB_ARRAY_HPP
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#define SPROUT_SUB_ARRAY_SUB_ARRAY_HPP
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#include <algorithm>
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#include <utility>
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#include <stdexcept>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
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namespace detail {
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struct is_non_reference_array_tag {};
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struct is_not_non_reference_array_tag {};
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template<typename Container>
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class sub_array_impl {
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protected:
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typedef Container container_type;
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typedef typename std::remove_reference<container_type>::type internal_type;
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protected:
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SPROUT_STATIC_CONSTEXPR bool is_reference = std::is_reference<container_type>::value;
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SPROUT_STATIC_CONSTEXPR bool is_const = std::is_const<internal_type>::value;
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protected:
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typedef typename sprout::container_traits<internal_type>::const_iterator impl_const_iterator;
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typedef typename sprout::container_traits<internal_type>::difference_type impl_difference_type;
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protected:
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typedef typename std::conditional<
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is_reference,
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internal_type*,
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typename std::remove_const<internal_type>::type
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>::type holder_type;
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typedef typename std::conditional<
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is_reference,
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internal_type&,
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internal_type const&
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>::type param_type;
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typedef internal_type const& const_param_type;
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protected:
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typedef typename std::conditional<
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std::is_array<holder_type>::value,
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sprout::detail::is_non_reference_array_tag,
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sprout::detail::is_not_non_reference_array_tag
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>::type array_tag;
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protected:
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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std::is_reference<Arr>::value,
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holder_type
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>::type to_holder(param_type arr) {
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return &arr;
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}
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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!std::is_reference<Arr>::value,
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holder_type const&
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>::type to_holder(param_type arr) {
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return arr;
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}
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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std::is_reference<Arr>::value,
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param_type
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>::type to_param(holder_type arr) {
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return *arr;
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}
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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!std::is_reference<Arr>::value,
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param_type
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>::type to_param(holder_type& arr) {
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return arr;
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}
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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!std::is_reference<Arr>::value,
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param_type
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>::type to_param(holder_type const& arr) {
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return arr;
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}
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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std::is_reference<Arr>::value,
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const_param_type
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>::type to_const_param(holder_type arr) {
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return *arr;
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}
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template<typename Arr>
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static SPROUT_CONSTEXPR typename std::enable_if<
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!std::is_reference<Arr>::value,
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const_param_type
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>::type to_const_param(holder_type const& arr) {
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return arr;
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}
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protected:
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holder_type array_;
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impl_difference_type first_;
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impl_difference_type last_;
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public:
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sub_array_impl() = default;
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protected:
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template<typename ContainerTag, sprout::index_t... Indexes>
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SPROUT_CONSTEXPR sub_array_impl(
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ContainerTag,
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param_type arr,
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sprout::index_tuple<Indexes...>,
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impl_const_iterator first,
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impl_const_iterator last,
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typename std::enable_if<std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
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)
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: array_{to_holder<Container>(arr)[Indexes]...}
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, first_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), first))
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, last_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), last))
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{}
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template<typename ContainerTag, sprout::index_t... Indexes>
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SPROUT_CONSTEXPR sub_array_impl(
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ContainerTag,
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param_type arr,
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sprout::index_tuple<Indexes...>,
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impl_const_iterator first,
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impl_const_iterator last,
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typename std::enable_if<!std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
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)
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: array_(to_holder<Container>(arr))
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, first_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), first))
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, last_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), last))
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{}
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template<typename ContainerTag, sprout::index_t... Indexes>
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SPROUT_CONSTEXPR sub_array_impl(
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ContainerTag,
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param_type arr,
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sprout::index_tuple<Indexes...>,
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impl_difference_type first,
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impl_difference_type last,
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typename std::enable_if<std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
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)
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: array_{to_holder<Container>(arr)[Indexes]...}
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, first_(first)
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, last_(last)
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{}
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template<typename ContainerTag, sprout::index_t... Indexes>
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SPROUT_CONSTEXPR sub_array_impl(
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ContainerTag,
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param_type arr,
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sprout::index_tuple<Indexes...>,
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impl_difference_type first,
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impl_difference_type last,
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typename std::enable_if<!std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
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)
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: array_(to_holder<Container>(arr))
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, first_(first)
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, last_(last)
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{}
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};
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} // namespace detail
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//
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// sub_array
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//
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template<typename Container>
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class sub_array
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: private sprout::detail::sub_array_impl<Container>
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, public sprout::container_traits_facade<typename std::remove_reference<Container>::type>
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{
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private:
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typedef sprout::detail::sub_array_impl<Container> impl_type;
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typedef sprout::container_traits_facade<typename std::remove_reference<Container>::type> facade_type;
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public:
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typedef typename impl_type::container_type container_type;
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typedef typename impl_type::internal_type internal_type;
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public:
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SPROUT_STATIC_CONSTEXPR bool is_reference = impl_type::is_reference;
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SPROUT_STATIC_CONSTEXPR bool is_const = impl_type::is_const;
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public:
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typedef typename facade_type::iterator iterator;
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typedef typename facade_type::const_iterator const_iterator;
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typedef typename facade_type::reference reference;
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typedef typename facade_type::const_reference const_reference;
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typedef typename facade_type::size_type size_type;
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typedef typename facade_type::difference_type difference_type;
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typedef typename facade_type::pointer pointer;
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typedef typename facade_type::const_pointer const_pointer;
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public:
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SPROUT_STATIC_CONSTEXPR size_type static_size = facade_type::static_size;
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public:
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typedef typename impl_type::holder_type holder_type;
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typedef typename impl_type::param_type param_type;
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typedef typename impl_type::const_param_type const_param_type;
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private:
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typedef typename impl_type::array_tag array_tag;
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private:
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using impl_type::array_;
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using impl_type::first_;
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using impl_type::last_;
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public:
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// construct/copy/destroy:
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sub_array() = default;
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SPROUT_CONSTEXPR sub_array(param_type arr, const_iterator first, const_iterator last)
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: impl_type(
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array_tag(),
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arr,
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sprout::index_range<0, static_size>::make(),
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first,
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last
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)
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{}
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SPROUT_CONSTEXPR sub_array(param_type arr, difference_type first, difference_type last)
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: impl_type(
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array_tag(),
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arr,
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sprout::index_range<0, static_size>::make(),
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first,
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last
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)
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{}
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SPROUT_CONSTEXPR sub_array(sub_array<Container> const& other, const_iterator first, const_iterator last)
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: impl_type(
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array_tag(),
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impl_type::template to_param<Container>(other.array_),
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sprout::index_range<0, static_size>::make(),
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NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::begin(other.get_array()), first),
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NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::begin(other.get_array()), last)
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)
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{}
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SPROUT_CONSTEXPR sub_array(sub_array<Container> const& other, difference_type first, difference_type last)
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: impl_type(
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array_tag(),
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impl_type::template to_param<Container>(other.array_),
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sprout::index_range<0, static_size>::make(),
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first + other.first_,
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last + other.first_
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)
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{}
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void fill(const_reference value) {
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std::fill_n(begin(), size(), value);
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}
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template<typename Container2>
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void swap(sub_array<Container2>& other) {
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using std::swap;
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swap(other.array_, array_);
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swap(other.first_, first_);
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swap(other.last_, last_);
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}
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// iterators:
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iterator begin() {
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return sprout::next(sprout::begin(get_array()), first_);
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}
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SPROUT_CONSTEXPR const_iterator begin() const {
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return sprout::next(sprout::begin(get_array()), first_);
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}
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iterator end() {
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return sprout::next(sprout::begin(get_array()), last_);
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}
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SPROUT_CONSTEXPR const_iterator end() const {
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return sprout::next(sprout::begin(get_array()), last_);
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}
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SPROUT_CONSTEXPR const_iterator cbegin() const {
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return sprout::next(sprout::begin(get_array()), first_);
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}
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SPROUT_CONSTEXPR const_iterator cend() const {
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return sprout::next(sprout::begin(get_array()), last_);
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}
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// capacity:
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SPROUT_CONSTEXPR size_type size() const {
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return last_ - first_;
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}
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SPROUT_CONSTEXPR size_type max_size() const {
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return size();
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}
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SPROUT_CONSTEXPR bool empty() const {
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return first_ == last_;
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}
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// element access:
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reference operator[](size_type i) {
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return *sprout::next(sprout::begin(get_array()), first_ + i);
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}
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SPROUT_CONSTEXPR const_reference operator[](size_type i) const {
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return *sprout::next(sprout::begin(get_array()), first_ + i);
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}
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reference at(size_type i) {
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return i < size()
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? *sprout::next(sprout::begin(get_array()), first_ + i)
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: (throw std::out_of_range("sub_array<>: index out of range"), *sprout::next(sprout::begin(get_array()), first_ + i))
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;
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}
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SPROUT_CONSTEXPR const_reference at(size_type i) const {
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return i < size()
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? *sprout::next(sprout::begin(get_array()), first_ + i)
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: (throw std::out_of_range("sub_array<>: index out of range"), *sprout::next(sprout::begin(get_array()), first_ + i))
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;
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}
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reference front() {
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return *sprout::next(sprout::begin(get_array()), first_);
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}
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SPROUT_CONSTEXPR const_reference front() const {
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return *sprout::next(sprout::begin(get_array()), first_);
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}
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reference back() {
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return *sprout::next(sprout::begin(get_array()), last_ - 1);
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}
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SPROUT_CONSTEXPR const_reference back() const {
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return *sprout::next(sprout::begin(get_array()), last_ - 1);
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}
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pointer data() {
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return get_array().data() + first_;
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}
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SPROUT_CONSTEXPR const_pointer data() const {
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return get_array().data() + first_;
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}
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// others:
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template<typename Container2>
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sub_array<Container>& operator=(sub_array<Container2> const& rhs) {
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array_ = rhs.array_;
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first_ = rhs.first_;
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last_ = rhs.last_;
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return *this;
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}
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template<typename Container2>
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sub_array<Container>& operator=(sub_array<Container2>&& rhs) {
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array_ = std::move(rhs.array_);
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first_ = std::move(rhs.first_);
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last_ = std::move(rhs.last_);
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return *this;
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}
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pointer c_array() {
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return data();
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}
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void assign(const_reference value) {
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fill(value);
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}
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void rangecheck(size_type i) const {
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if (i >= size()) {
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throw std::out_of_range("sub_array<>: index out of range");
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}
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}
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param_type get_internal() {
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return impl_type::template to_param<Container>(array_);
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}
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SPROUT_CONSTEXPR const_param_type get_internal() const {
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return impl_type::template to_const_param<Container>(array_);
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}
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param_type get_array() {
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return impl_type::template to_param<Container>(array_);
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}
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SPROUT_CONSTEXPR const_param_type get_array() const {
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return impl_type::template to_const_param<Container>(array_);
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}
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};
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template<typename Container>
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SPROUT_CONSTEXPR_OR_CONST typename sprout::sub_array<Container>::size_type sprout::sub_array<Container>::static_size;
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//
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// swap
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//
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template<typename Container>
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inline void swap(sprout::sub_array<Container>& lhs, sprout::sub_array<Container>& rhs) {
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lhs.swap(rhs);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_SUB_ARRAY_SUB_ARRAY_HPP
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