Merged in MHR-23 (pull request #12)

MHR-23: Merge work.

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