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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#ifndef _NEWKIT_REF_H_
#define _NEWKIT_REF_H_
#include <KernelKit/MemoryMgr.h>
#include <NewKit/Defines.h>
#include <NewKit/KernelPanic.h>
namespace Kernel {
template <typename T>
class Ref final {
public:
Ref() = default;
~Ref() {
if (mm_is_valid_heap(fClass)) delete fClass;
}
public:
Ref(T* cls) : fClass(cls) {}
Ref(T cls) : fClass(nullptr) { fClass = new T(cls); }
Ref& operator=(T ref) {
if (!fClass) return *this;
fClass = &ref;
return *this;
}
public:
T operator->() const {
MUST_PASS(*fClass);
return *fClass;
}
T& Leak() noexcept { return *fClass; }
T& TryLeak() const noexcept {
MUST_PASS(*fClass);
return *fClass;
}
T operator*() { return *fClass; }
operator bool() noexcept { return fClass; }
private:
T* fClass{nullptr};
};
template <typename T>
class NonNullRef final {
public:
NonNullRef() = delete;
NonNullRef(nullPtr) = delete;
NonNullRef(T* ref) : fRef(ref) { MUST_PASS(ref); }
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 Kernel
#endif // ifndef _NEWKIT_REF_H_
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