diff foosdk/sdk/pfc/ref_counter.h @ 1:20d02a178406 default tip

*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/pfc/ref_counter.h	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,108 @@
+#pragma once
+
+#include "traits.h"
+#include "lockless.h"
+#include "primitives.h"
+
+namespace pfc {
+
+	class NOVTABLE refcounted_object_root
+	{
+	public:
+		void refcount_add_ref() throw() {++m_counter;}
+		void refcount_release() throw() {if (--m_counter == 0) delete this;}
+		void _refcount_release_temporary() throw() {--m_counter;}//for internal use only!
+	protected:
+		refcounted_object_root() {}
+		virtual ~refcounted_object_root() {}
+	private:
+		refcounter m_counter;
+	};
+
+	template<typename T>
+	class refcounted_object_ptr_t {
+	private:
+		typedef refcounted_object_ptr_t<T> t_self;
+	public:
+		inline refcounted_object_ptr_t() throw() : m_ptr(NULL) {}
+		inline refcounted_object_ptr_t(T* p_ptr) throw() : m_ptr(NULL) {copy(p_ptr);}
+		inline refcounted_object_ptr_t(const t_self & p_source) throw() : m_ptr(NULL) {copy(p_source);}
+		inline refcounted_object_ptr_t(t_self && p_source) throw() { m_ptr = p_source.m_ptr; p_source.m_ptr = NULL; }
+
+		template<typename t_source>
+		inline refcounted_object_ptr_t(t_source * p_ptr) throw() : m_ptr(NULL) {copy(p_ptr);}
+
+		template<typename t_source>
+		inline refcounted_object_ptr_t(const refcounted_object_ptr_t<t_source> & p_source) throw() : m_ptr(NULL) {copy(p_source);}
+
+		inline ~refcounted_object_ptr_t() throw() {if (m_ptr != NULL) m_ptr->refcount_release();}
+		
+		template<typename t_source>
+		inline void copy(t_source * p_ptr) throw() {
+			T* torel = pfc::replace_t(m_ptr,pfc::safe_ptr_cast<T>(p_ptr));
+			if (m_ptr != NULL) m_ptr->refcount_add_ref();
+			if (torel != NULL) torel->refcount_release();
+			
+		}
+
+		template<typename t_source>
+		inline void copy(const refcounted_object_ptr_t<t_source> & p_source) throw() {copy(p_source.get_ptr());}
+
+
+		inline const t_self & operator=(const t_self & p_source) throw() {copy(p_source); return *this;}
+		inline const t_self & operator=(t_self && p_source) throw() {attach(p_source.detach()); return *this;}
+		inline const t_self & operator=(T * p_ptr) throw() {copy(p_ptr); return *this;}
+
+		template<typename t_source> inline t_self & operator=(const refcounted_object_ptr_t<t_source> & p_source) throw() {copy(p_source); return *this;}
+		template<typename t_source> inline t_self & operator=(t_source * p_ptr) throw() {copy(p_ptr); return *this;}
+		
+		inline void release() throw() {
+			T * temp = pfc::replace_t(m_ptr,(T*)NULL);
+			if (temp != NULL) temp->refcount_release();
+		}
+
+
+		inline T& operator*() const throw() {return *m_ptr;}
+
+		inline T* operator->() const throw() {PFC_ASSERT(m_ptr != NULL);return m_ptr;}
+
+		inline T* get_ptr() const throw() {return m_ptr;}
+		
+		inline bool is_valid() const throw() {return m_ptr != NULL;}
+		inline bool is_empty() const throw() {return m_ptr == NULL;}
+
+		inline bool operator==(const t_self & p_item) const throw() {return m_ptr == p_item.get_ptr();}
+		inline bool operator!=(const t_self & p_item) const throw() {return m_ptr != p_item.get_ptr();}
+		inline bool operator>(const t_self & p_item) const throw() {return m_ptr > p_item.get_ptr();}
+		inline bool operator<(const t_self & p_item) const throw() {return m_ptr < p_item.get_ptr();}
+
+
+		inline T* _duplicate_ptr() const throw()//should not be used ! temporary !
+		{
+			if (m_ptr) m_ptr->refcount_add_ref();
+			return m_ptr;
+		}
+
+		inline T* detach() throw() {//should not be used ! temporary !
+			T* ret = m_ptr;
+			m_ptr = 0;
+			return ret;
+		}
+
+		inline void attach(T * p_ptr) throw() {//should not be used ! temporary !
+			release();
+			m_ptr = p_ptr;
+		}
+		inline t_self & operator<<(t_self & p_source) throw() {attach(p_source.detach());return *this;}
+		inline t_self & operator>>(t_self & p_dest) throw() {p_dest.attach(detach());return *this;}
+	private:
+		T* m_ptr;
+	};
+
+	template<typename T>
+	class traits_t<refcounted_object_ptr_t<T> > : public traits_default {
+	public:
+		enum { realloc_safe = true, constructor_may_fail = false};
+	};
+
+};
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