diff options
Diffstat (limited to 'lib/collection.hpp')
-rw-r--r-- | lib/collection.hpp | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/lib/collection.hpp b/lib/collection.hpp deleted file mode 100644 index 6802bcb..0000000 --- a/lib/collection.hpp +++ /dev/null @@ -1,131 +0,0 @@ -#pragma once - -#include <algorithm> -#include <functional> -#include <memory> -#include <type_traits> -#include <vector> - -template<typename Object, bool shared = true> class Collection { -public: - virtual ~Collection() = default; - - using Ptr = std::conditional_t<shared, std::shared_ptr<Object>, std::unique_ptr<Object>>; - using Objects = std::vector<Ptr>; - Objects objects; - - template<typename T = Object, typename... Params> - auto - create(Params &&... params) - requires std::is_base_of_v<Object, T> - { - if constexpr (shared) { - auto obj = std::make_shared<T>(std::forward<Params>(params)...); - objects.emplace_back(obj); - return obj; - } - else { - return static_cast<T *>(objects.emplace_back(std::make_unique<T>(std::forward<Params>(params)...)).get()); - } - } - - template<typename T = Object> - T * - find() - { - if (auto i = std::find_if(objects.begin(), objects.end(), - [](auto && o) { - return (dynamic_cast<T *>(o.get())); - }); - i != objects.end()) { - return static_cast<T *>(i->get()); - } - return nullptr; - } - - template<typename T = Object, typename... Params> - auto - findOrCreate(Params &&... params) - requires std::is_base_of_v<Object, T> - { - if (auto o = find<T>()) { - return o; - } - return create<T>(std::forward<Params>(params)...).get(); - } - - template<typename T = Object, typename... Params> - auto - apply(const auto & m, Params &&... params) const - { - return apply_internal<T>(objects.begin(), objects.end(), m, std::forward<Params>(params)...); - } - - template<typename T = Object, typename... Params> - auto - rapply(const auto & m, Params &&... params) const - { - return apply_internal<T>(objects.rbegin(), objects.rend(), m, std::forward<Params>(params)...); - } - - template<typename T = Object, typename... Params> - auto - applyOne(const auto & m, Params &&... params) const - { - return applyOne_internal<T>(objects.begin(), objects.end(), m, std::forward<Params>(params)...); - } - - template<typename T = Object, typename... Params> - auto - rapplyOne(const auto & m, Params &&... params) const - { - return applyOne_internal<T>(objects.rbegin(), objects.rend(), m, std::forward<Params>(params)...); - } - - template<typename T = Object> - auto - removeAll() - { - return std::erase_if(objects, [](auto && op) { - return dynamic_cast<T *>(op.get()); - }); - } - - auto - end() const - { - return objects.end(); - } - - auto - rend() const - { - return objects.rend(); - } - -protected: - template<typename T = Object, typename... Params> - auto - apply_internal(const auto begin, const auto end, const auto & m, Params &&... params) const - { - return std::count_if(begin, end, [&m, ¶ms...](auto && op) { - if (auto o = dynamic_cast<T *>(op.get())) { - std::invoke(m, o, std::forward<Params>(params)...); - return true; - } - return false; - }); - } - - template<typename T = Object, typename... Params> - auto - applyOne_internal(const auto begin, const auto end, const auto & m, Params &&... params) const - { - return std::find_if(begin, end, [&m, ¶ms...](auto && op) { - if (auto o = dynamic_cast<T *>(op.get())) { - return std::invoke(m, o, std::forward<Params>(params)...); - } - return false; - }); - } -}; |