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silly

v1
Brett 2024-09-24 21:38:52 -04:00
parent bbd5641073
commit cacc082ce9
2 changed files with 55 additions and 25 deletions
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2
CMakeLists.txt
View File

@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.20) cmake_minimum_required(VERSION 3.20)
include(cmake/color.cmake) include(cmake/color.cmake)
set(BLT_VERSION 0.20.25) set(BLT_VERSION 0.20.26)
set(BLT_TEST_VERSION 0.0.1) set(BLT_TEST_VERSION 0.0.1)
set(BLT_TARGET BLT) set(BLT_TARGET BLT)

76
include/blt/std/ranges.h
View File

@ -19,6 +19,15 @@
namespace blt namespace blt
{ {
template<typename Iter, typename = std::void_t<>>
class enumerate_wrapper;
template<typename Iter, typename = std::void_t<>>
class enumerator;
template<typename Iter, typename = std::void_t<>>
class enumerator_rev;
template<typename T> template<typename T>
struct enumerate_item struct enumerate_item
{ {
@ -105,9 +114,6 @@ namespace blt
} }
}; };
template<typename Iter, typename = std::void_t<>>
class enumerate_wrapper;
template<typename Iter> template<typename Iter>
class enumerate_wrapper<Iter, std::enable_if_t<blt::meta::is_forward_iterator_v<Iter>, std::void_t<std::forward_iterator_tag>>> class enumerate_wrapper<Iter, std::enable_if_t<blt::meta::is_forward_iterator_v<Iter>, std::void_t<std::forward_iterator_tag>>>
: public enumerate_forward_iterator<Iter> : public enumerate_forward_iterator<Iter>
@ -163,34 +169,46 @@ namespace blt
IterWrapper end_; IterWrapper end_;
}; };
template<typename Iter, typename IterWrapper, typename Reverse> template<typename Iter, typename IterWrapper>
class enumerator_reversible : public enumerator_base<Iter, IterWrapper> class enumerator_reversible : public enumerator_base<Iter, IterWrapper>
{ {
public: public:
explicit enumerator_reversible(Iter begin, Iter end, blt::size_t container_size): explicit enumerator_reversible(Iter begin, Iter end, blt::size_t container_size):
enumerator_base<Iter, IterWrapper>(std::move(begin), std::move(end)), container_size(container_size) enumerator_base<Iter, IterWrapper>{IterWrapper{enumerate_wrapper<Iter>{std::move(begin), 0}},
IterWrapper{enumerate_wrapper<Iter>{std::move(end), container_size}}},
container_size(container_size)
{} {}
explicit enumerator_reversible(Iter begin, Iter end, blt::size_t begin_index, blt::size_t end_index): explicit enumerator_reversible(Iter begin, Iter end, blt::size_t begin_index, blt::size_t end_index, blt::size_t container_size):
enumerator_base<Iter, IterWrapper>(IterWrapper{enumerate_wrapper<Iter>(std::move(begin), begin_index)}, enumerator_base<Iter, IterWrapper>(IterWrapper{enumerate_wrapper<Iter>{std::move(begin), begin_index}},
IterWrapper{enumerate_wrapper<Iter>(std::move(end), end_index)}), IterWrapper{enumerate_wrapper<Iter>{std::move(end), end_index}}),
container_size(std::abs(static_cast<blt::ptrdiff_t>(end_index) - static_cast<blt::ptrdiff_t>(begin_index))) container_size(container_size)
{} {}
auto rev() auto rev() const
{ {
return Reverse{this->end_.base(), this->begin_.base(), this->container_size, 0ul}; return enumerator_rev<Iter>{this->end_.base(), this->begin_.base(), this->container_size, this->begin_.get_index(),
this->container_size};
} }
protected: protected:
blt::size_t container_size; blt::size_t container_size;
}; };
template<typename Iter, typename = std::void_t<>> template<typename Iter, typename IterWrapper>
class enumerator; class enumerator_reversible_rev : public enumerator_reversible<Iter, IterWrapper>
{
public:
using enumerator_reversible<Iter, IterWrapper>::enumerator_reversible;
template<typename Iter, typename = std::void_t<>> auto rev() const
class enumerator_rev; {
BLT_TRACE(this->end_.base().get_index());
BLT_TRACE(this->begin_.base().get_index());
return enumerator<Iter>{this->end_.base().base(), this->begin_.base().base(), this->end_.base().get_index(),
this->begin_.base().get_index(), this->container_size};
}
};
template<typename Iter> template<typename Iter>
class enumerator<Iter, std::enable_if_t<blt::meta::is_forward_iterator_v<Iter>, std::void_t<std::forward_iterator_tag>>> class enumerator<Iter, std::enable_if_t<blt::meta::is_forward_iterator_v<Iter>, std::void_t<std::forward_iterator_tag>>>
@ -202,34 +220,46 @@ namespace blt
template<typename Iter> template<typename Iter>
class enumerator<Iter, std::enable_if_t<blt::meta::is_bidirectional_iterator_v<Iter>, std::void_t<std::bidirectional_iterator_tag>>> class enumerator<Iter, std::enable_if_t<blt::meta::is_bidirectional_iterator_v<Iter>, std::void_t<std::bidirectional_iterator_tag>>>
: public enumerator_reversible<Iter, enumerate_wrapper<Iter>, enumerator_rev<Iter>> : public enumerator_reversible<Iter, enumerate_wrapper<Iter>>
{ {
public: public:
using enumerator_reversible<Iter, enumerate_wrapper<Iter>, enumerator_rev<Iter>>::enumerator_reversible; using enumerator_reversible<Iter, enumerate_wrapper<Iter>>::enumerator_reversible;
}; };
template<typename Iter> template<typename Iter>
class enumerator<Iter, std::enable_if_t<blt::meta::is_random_access_iterator_v<Iter>, std::void_t<std::random_access_iterator_tag>>> class enumerator<Iter, std::enable_if_t<blt::meta::is_random_access_iterator_v<Iter>, std::void_t<std::random_access_iterator_tag>>>
: public enumerator_reversible<Iter, enumerate_wrapper<Iter>, enumerator_rev<Iter>> : public enumerator_reversible<Iter, enumerate_wrapper<Iter>>
{ {
public: public:
using enumerator_reversible<Iter, enumerate_wrapper<Iter>, enumerator_rev<Iter>>::enumerator_reversible; using enumerator_reversible<Iter, enumerate_wrapper<Iter>>::enumerator_reversible;
auto skip(blt::size_t offset)
{
return enumerator<Iter>{this->begin_.base() + offset, this->end_.base(), this->begin_.get_index() + offset, this->container_size,
this->container_size};
}
}; };
template<typename Iter> template<typename Iter>
class enumerator_rev<Iter, std::enable_if_t<blt::meta::is_bidirectional_iterator_v<Iter>, std::void_t<std::bidirectional_iterator_tag>>> class enumerator_rev<Iter, std::enable_if_t<blt::meta::is_bidirectional_iterator_v<Iter>, std::void_t<std::bidirectional_iterator_tag>>>
: public enumerator_reversible<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>, enumerator<Iter>> : public enumerator_reversible_rev<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>>
{ {
public: public:
using enumerator_reversible<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>, enumerator<Iter>>::enumerator_reversible; using enumerator_reversible_rev<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>>::enumerator_reversible_rev;
}; };
template<typename Iter> template<typename Iter>
class enumerator_rev<Iter, std::enable_if_t<blt::meta::is_random_access_iterator_v<Iter>, std::void_t<std::random_access_iterator_tag>>> class enumerator_rev<Iter, std::enable_if_t<blt::meta::is_random_access_iterator_v<Iter>, std::void_t<std::random_access_iterator_tag>>>
: public enumerator_reversible<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>, enumerator<Iter>> : public enumerator_reversible_rev<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>>
{ {
public: public:
using enumerator_reversible<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>, enumerator<Iter>>::enumerator_reversible; using enumerator_reversible_rev<Iter, std::reverse_iterator<enumerate_wrapper<Iter>>>::enumerator_reversible_rev;
auto skip(blt::size_t offset)
{
return enumerator_rev<Iter>{this->begin_.base().base() - offset, this->end_.base().base(), this->begin_.base().get_index() - offset,
this->container_size, this->container_size};
}
}; };
template<typename Iter> template<typename Iter>