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// SPDX-License-Identifier: Apache-2.0
// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/ne-foss-org/nekernel
#ifndef HEADERS_REF_H
#define HEADERS_REF_H
#include <CoreFoundation.fwrk/headers/Object.h>
#include <libSystem/SystemKit/System.h>
namespace CF {
template <class T>
class CFRef;
/// ================================================================================
/// @brief CFRef class for reference counting.
/// ================================================================================
template <class T>
class CFRef final CF_OBJECT {
public:
CFRef() = default;
~CFRef() {
if (MmGetHeapFlags(fClass) != -1) delete fClass;
}
public:
CFRef(T* cls) : fClass(cls) {}
CFRef(T cls) : fClass(&cls) {}
CFRef& operator=(T ref) {
if (!fClass) return *this;
fClass = &ref;
return *this;
}
public:
T operator->() const {
MUST_PASS(*fClass);
return *fClass;
}
T& Leak() { return *fClass; }
T& TryLeak() const {
MUST_PASS(*fClass);
return *fClass;
}
T operator*() { return *fClass; }
operator bool() { return fClass; }
private:
T* fClass{nullptr};
};
/// ================================================================================
/// @brief CFNonNullRef class for non-null reference counting.
/// ================================================================================
template <typename T>
class CFNonNullRef final CF_OBJECT {
public:
CFNonNullRef() = delete;
CFNonNullRef(nullPtr) = delete;
CFNonNullRef(T* ref) : fRef(ref) { MUST_PASS(ref); }
CFNonNullRef(CFRef<T> ref) : fRef(ref) { MUST_PASS(ref); }
CFRef<T>& operator->() {
MUST_PASS(fRef);
return fRef;
}
CFNonNullRef& operator=(const CFNonNullRef<T>& ref) = default;
CFNonNullRef(const CFNonNullRef<T>& ref) = default;
private:
CFRef<T> fRef{nullptr};
};
} // namespace CF
#endif
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