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120 lines
2.0 KiB
C++
120 lines
2.0 KiB
C++
// This code is in the public domain -- castanyo@yahoo.es
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#ifndef NV_CORE_REFCOUNTED_H
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#define NV_CORE_REFCOUNTED_H
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#include <nvcore/nvcore.h>
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#include <nvcore/Debug.h>
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#define NV_DECLARE_PTR(Class) \
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template <class T> class SmartPtr; \
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typedef SmartPtr<class Class> Class ## Ptr; \
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typedef SmartPtr<const class Class> Class ## ConstPtr
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namespace nv
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{
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/// Reference counted base class to be used with SmartPtr and WeakPtr.
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class RefCounted
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{
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NV_FORBID_COPY(RefCounted);
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public:
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/// Ctor.
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RefCounted() : m_count(0)/*, m_weak_proxy(NULL)*/
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{
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s_total_obj_count++;
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}
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/// Virtual dtor.
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virtual ~RefCounted()
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{
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nvCheck( m_count == 0 );
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nvCheck( s_total_obj_count > 0 );
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s_total_obj_count--;
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}
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/// Increase reference count.
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uint addRef() const
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{
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s_total_ref_count++;
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m_count++;
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return m_count;
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}
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/// Decrease reference count and remove when 0.
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uint release() const
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{
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nvCheck( m_count > 0 );
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s_total_ref_count--;
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m_count--;
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if( m_count == 0 ) {
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// releaseWeakProxy();
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delete this;
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return 0;
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}
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return m_count;
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}
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/*
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/// Get weak proxy.
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WeakProxy * getWeakProxy() const
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{
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if (m_weak_proxy == NULL) {
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m_weak_proxy = new WeakProxy;
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m_weak_proxy->AddRef();
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}
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return m_weak_proxy;
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}
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/// Release the weak proxy.
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void releaseWeakProxy() const
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{
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if (m_weak_proxy != NULL) {
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m_weak_proxy->NotifyObjectDied();
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m_weak_proxy->Release();
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m_weak_proxy = NULL;
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}
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}
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*/
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/** @name Debug methods: */
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//@{
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/// Get reference count.
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int refCount() const
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{
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return m_count;
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}
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/// Get total number of objects.
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static int totalObjectCount()
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{
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return s_total_obj_count;
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}
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/// Get total number of references.
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static int totalReferenceCount()
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{
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return s_total_ref_count;
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}
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//@}
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private:
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NVCORE_API static int s_total_ref_count;
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NVCORE_API static int s_total_obj_count;
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mutable int m_count;
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// mutable WeakProxy * weak_proxy;
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};
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} // nv namespace
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#endif // NV_CORE_REFCOUNTED_H
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