latest SDK

pfc/autoref.h

@@ -0,0 +1,38 @@
+#pragma once
+#include <memory>
+
+namespace pfc {
+
+	// autoref<> : turn arbitrary ptr that needs to be delete'd into a shared_ptr<> alike
+	template<typename obj_t> class autoref {
+	public:
+		autoref() {}
+		autoref(std::nullptr_t) {}
+		autoref(obj_t * source) {
+			attach(source);
+		}
+		void attach(obj_t * source) {
+			PFC_ASSERT( source != nullptr );
+			m_obj = std::make_shared<holder_t>(source);
+		}
+		void reset() {
+			m_obj.reset();
+		}
+
+		obj_t * operator->() const {
+			return m_obj->get_ptr();
+		}
+
+		obj_t * get() const {
+			if (! m_obj ) return nullptr;
+			return m_obj->get_ptr();
+		}
+
+		operator bool() const {
+			return !!m_obj;
+		}
+	private:
+		typedef pfc::ptrholder_t< obj_t > holder_t;
+		std::shared_ptr< holder_t > m_obj;
+	};
+}