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/*
* ========================================================
*
* CompilerKit
* Copyright (C) 2024-2025 Amlal El Mahrouss, Licensed under the Apache 2.0 license.
*
* ========================================================
*/
#pragma once
#include <CompilerKit/Detail/Config.h>
namespace CompilerKit {
/// @author Amlal El Mahrouss
/// @brief Reference holder class, refers to a pointer of data in static memory.
template <typename T>
class StrongRef {
public:
StrongRef() = default;
virtual ~StrongRef() {
if (m_Strong) {
MUST_PASS(m_Class);
if (m_Class) delete m_Class;
m_Class = nullptr;
}
}
NECTI_COPY_DELETE(StrongRef)
NECTI_MOVE_DEFAULT(StrongRef)
using Type = T;
protected:
explicit StrongRef(Type* cls, const bool strong) : m_Class(cls), m_Strong(strong) {}
public:
explicit StrongRef(Type* cls) : m_Class(cls), m_Strong(true) {}
StrongRef& operator=(Type ref) {
*m_Class = ref;
return *this;
}
public:
Type* operator->() const { return m_Class; }
Type& Leak() { return *m_Class; }
Type operator*() { return *m_Class; }
bool IsStrong() const { return m_Strong; }
explicit operator bool() { return m_Class != nullptr; }
private:
Type* m_Class{nullptr};
bool m_Strong{false};
};
template <typename T>
class WeakRef final : StrongRef<T> {
public:
WeakRef() = default;
~WeakRef() = default;
NECTI_COPY_DELETE(WeakRef)
NECTI_MOVE_DEFAULT(WeakRef)
public:
using Type = T;
explicit WeakRef(Type* cls) : StrongRef<Type>(cls, false) {}
};
/// @author Amlal El Mahrouss
/// @brief Non null reference holder class, refers to a pointer of data in static memory.
template <typename Type>
class NonNullRef final {
public:
explicit NonNullRef() = delete;
explicit NonNullRef(Type* ref) : m_Ref(ref, true) {}
StrongRef<Type>& operator->() {
MUST_PASS(m_Ref);
return m_Ref;
}
NonNullRef& operator=(const NonNullRef<Type>& ref) = delete;
NonNullRef(const NonNullRef<Type>& ref) = default;
private:
StrongRef<Type> m_Ref{nullptr};
};
using StrongAny = StrongRef<VoidPtr>;
using WeakAny = WeakRef<VoidPtr>;
} // namespace CompilerKit
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