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Diffstat (limited to 'Kernel/NewKit/Ref.hpp')
| -rw-r--r-- | Kernel/NewKit/Ref.hpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Kernel/NewKit/Ref.hpp b/Kernel/NewKit/Ref.hpp new file mode 100644 index 00000000..356fcad0 --- /dev/null +++ b/Kernel/NewKit/Ref.hpp @@ -0,0 +1,89 @@ + +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Defines.hpp> +#include <NewKit/KernelCheck.hpp> + +namespace NewOS +{ + template <typename T> + class Ref final + { + public: + Ref() = default; + ~Ref() = default; + + public: + Ref(T cls, const bool& strong = false) + : fClass(cls), fStrong(strong) + { + } + + Ref& operator=(T ref) + { + fClass = ref; + return *this; + } + + public: + T operator->() const + { + return fClass; + } + + T& Leak() + { + return fClass; + } + + T operator*() + { + return fClass; + } + + bool IsStrong() const + { + return fStrong; + } + + operator bool() + { + return fStrong; + } + + private: + T fClass; + bool fStrong{false}; + }; + + template <typename T> + class NonNullRef final + { + public: + NonNullRef() = delete; + NonNullRef(nullPtr) = delete; + + NonNullRef(T* ref) + : fRef(ref, true) + { + } + + Ref<T>& operator->() + { + MUST_PASS(fRef); + return fRef; + } + + NonNullRef& operator=(const NonNullRef<T>& ref) = delete; + NonNullRef(const NonNullRef<T>& ref) = default; + + private: + Ref<T> fRef{nullptr}; + }; +} // namespace NewOS |
