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author | crupest <crupest@outlook.com> | 2022-02-08 16:53:51 +0800 |
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committer | crupest <crupest@outlook.com> | 2022-02-08 16:53:51 +0800 |
commit | 74bb9cd27242b9320f99ff4d2b50c3051576cc14 (patch) | |
tree | 744bac5799c593d1d6f81e7b09581bea626f2cde /include/cru/common/ClonablePtr.hpp | |
parent | b90c398de829d1ba5329651d75bae82f5e4085fe (diff) | |
download | cru-74bb9cd27242b9320f99ff4d2b50c3051576cc14.tar.gz cru-74bb9cd27242b9320f99ff4d2b50c3051576cc14.tar.bz2 cru-74bb9cd27242b9320f99ff4d2b50c3051576cc14.zip |
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Diffstat (limited to 'include/cru/common/ClonablePtr.hpp')
-rw-r--r-- | include/cru/common/ClonablePtr.hpp | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/include/cru/common/ClonablePtr.hpp b/include/cru/common/ClonablePtr.hpp deleted file mode 100644 index 39b5b454..00000000 --- a/include/cru/common/ClonablePtr.hpp +++ /dev/null @@ -1,216 +0,0 @@ -#pragma once - -#include <cstddef> -#include <functional> -#include <memory> -#include <type_traits> - -namespace cru { -template <typename TClonable> -class ClonablePtr { - template <typename T> - friend class ClonablePtr; - - public: - using element_type = typename std::unique_ptr<TClonable>::element_type; - using pointer = typename std::unique_ptr<TClonable>::pointer; - - ClonablePtr() = default; - ClonablePtr(std::nullptr_t) noexcept : ptr_(nullptr) {} - explicit ClonablePtr(pointer p) noexcept : ptr_(p) {} - ClonablePtr(std::unique_ptr<element_type>&& p) noexcept - : ptr_(std::move(p)) {} - template <typename O, - std::enable_if_t<std::is_convertible_v< - typename ClonablePtr<O>::pointer, pointer>, - int> = 0> - ClonablePtr(std::unique_ptr<O>&& p) : ptr_(std::move(p)) {} - ClonablePtr(const ClonablePtr& other) : ptr_(other.ptr_->Clone()) {} - ClonablePtr(ClonablePtr&& other) = default; - template <typename O, - std::enable_if_t<std::is_convertible_v< - typename ClonablePtr<O>::pointer, pointer>, - int> = 0> - ClonablePtr(const ClonablePtr<O>& other) : ptr_(other.ptr_->Clone()) {} - template <typename O, - std::enable_if_t<std::is_convertible_v< - typename ClonablePtr<O>::pointer, pointer>, - int> = 0> - ClonablePtr(ClonablePtr<O>&& other) noexcept : ptr_(std::move(other.ptr_)) {} - ClonablePtr& operator=(std::nullptr_t) noexcept { - ptr_ = nullptr; - return *this; - } - ClonablePtr& operator=(std::unique_ptr<element_type>&& other) noexcept { - ptr_ = std::move(other); - return *this; - } - template <typename O, - std::enable_if_t<std::is_convertible_v< - typename ClonablePtr<O>::pointer, pointer>, - int> = 0> - ClonablePtr& operator=(std::unique_ptr<O>&& p) noexcept { - ptr_ = std::move(p); - return *this; - } - ClonablePtr& operator=(const ClonablePtr& other) { - if (this != &other) { - ptr_ = std::unique_ptr<element_type>(other.ptr_->Clone()); - } - return *this; - } - ClonablePtr& operator=(ClonablePtr&& other) = default; - template <typename O, - std::enable_if_t<std::is_convertible_v< - typename ClonablePtr<O>::pointer, pointer>, - int> = 0> - ClonablePtr& operator=(const ClonablePtr<O>& other) noexcept { - if (this != &other) { - ptr_ = std::unique_ptr<element_type>(other.ptr_->Clone()); - } - return *this; - } - template <typename O, - std::enable_if_t<std::is_convertible_v< - typename ClonablePtr<O>::pointer, pointer>, - int> = 0> - ClonablePtr& operator=(ClonablePtr<O>&& other) noexcept { - ptr_ = std::move(other.ptr_); - } - - ~ClonablePtr() = default; - - public: - pointer release() noexcept { return ptr_.release(); } - void reset(pointer p = pointer()) noexcept { ptr_.reset(p); } - void swap(ClonablePtr& other) noexcept { ptr_.swap(other.ptr_); } - - public: - pointer get() const noexcept { return ptr_.get(); } - - operator bool() const noexcept { return ptr_; } - - element_type& operator*() const noexcept { return *ptr_; } - pointer operator->() const noexcept { return ptr_.get(); } - - int Compare(const ClonablePtr& other) const noexcept { - if (ptr_ == other.ptr_) { - return 0; - } else if (ptr_ < other.ptr_) { - return -1; - } else { - return 1; - } - } - - int Compare(nullptr_t) const noexcept { return ptr_ ? 1 : 0; } - - private: - std::unique_ptr<element_type> ptr_; -}; - -template <typename T> -void swap(ClonablePtr<T>& left, ClonablePtr<T>& right) noexcept { - left.swap(right); -} - -template <typename T> -bool operator==(const ClonablePtr<T>& left, const ClonablePtr<T>& right) { - return left.Compare(right) == 0; -} - -template <typename T> -bool operator!=(const ClonablePtr<T>& left, const ClonablePtr<T>& right) { - return left.Compare(right) != 0; -} - -template <typename T> -bool operator<(const ClonablePtr<T>& left, const ClonablePtr<T>& right) { - return left.Compare(right) < 0; -} - -template <typename T> -bool operator<=(const ClonablePtr<T>& left, const ClonablePtr<T>& right) { - return left.Compare(right) <= 0; -} - -template <typename T> -bool operator>(const ClonablePtr<T>& left, const ClonablePtr<T>& right) { - return left.Compare(right) > 0; -} - -template <typename T> -bool operator>=(const ClonablePtr<T>& left, const ClonablePtr<T>& right) { - return left.Compare(right) >= 0; -} - -template <typename T> -bool operator==(const ClonablePtr<T>& left, std::nullptr_t) { - return left.Compare(nullptr) == 0; -} - -template <typename T> -bool operator!=(const ClonablePtr<T>& left, std::nullptr_t) { - return left.Compare(nullptr) != 0; -} - -template <typename T> -bool operator<(const ClonablePtr<T>& left, std::nullptr_t) { - return left.Compare(nullptr) < 0; -} - -template <typename T> -bool operator<=(const ClonablePtr<T>& left, std::nullptr_t) { - return left.Compare(nullptr) <= 0; -} - -template <typename T> -bool operator>(const ClonablePtr<T>& left, std::nullptr_t) { - return left.Compare(nullptr) > 0; -} - -template <typename T> -bool operator>=(const ClonablePtr<T>& left, std::nullptr_t) { - return left.Compare(nullptr) >= 0; -} - -template <typename T> -bool operator==(std::nullptr_t, const ClonablePtr<T>& right) { - return right.Compare(nullptr) == 0; -} - -template <typename T> -bool operator!=(std::nullptr_t, const ClonablePtr<T>& right) { - return right.Compare(nullptr) != 0; -} - -template <typename T> -bool operator<(std::nullptr_t, const ClonablePtr<T>& right) { - return right.Compare(nullptr) > 0; -} - -template <typename T> -bool operator<=(std::nullptr_t, const ClonablePtr<T>& right) { - return right.Compare(nullptr) >= 0; -} - -template <typename T> -bool operator>(std::nullptr_t, const ClonablePtr<T>& right) { - return right.Compare(nullptr) < 0; -} - -template <typename T> -bool operator>=(std::nullptr_t, const ClonablePtr<T>& right) { - return right.Compare(nullptr) <= 0; -} - -} // namespace cru - -namespace std { -template <typename T> -struct hash<cru::ClonablePtr<T>> { - std::size_t operator()(const cru::ClonablePtr<T>& p) const { - return std::hash<typename cru::ClonablePtr<T>::pointer>(p.get()); - } -}; -} // namespace std |