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/* ========================================
Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
======================================== */
#ifndef _NEKIT_REF_H_
#define _NEKIT_REF_H_
#include <CompilerKit/CompilerKit.h>
#include <KernelKit/HeapMgr.h>
#include <NeKit/Defines.h>
#include <NeKit/KernelPanic.h>
namespace Kernel {
/// =========================================================== ///
/// @brief Reference wrapper class. ///
/// =========================================================== ///
template <typename T>
class Ref final {
public:
explicit Ref() = default;
~Ref() = default;
public:
Ref(T* cls) : fClass(*cls) {}
Ref(T cls) : fClass(cls) {}
Ref& operator=(T ref) {
fClass = ref;
return *this;
}
NE_COPY_DEFAULT(Ref)
public:
T operator->() const { return fClass; }
T& Leak() noexcept { return fClass; }
T& TryLeak() noexcept { return fClass; }
T operator*() { return fClass; }
operator bool() noexcept { return true; }
private:
T fClass;
};
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{};
};
using RefAny = Ref<Any>;
using NonNullRefAny = NonNullRef<Any>;
} // namespace Kernel
#endif // ifndef _NEKIT_REF_H_
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