1 files changed, 99 insertions, 0 deletions
diff --git a/src/lua/common/je_lua_shared.hpp b/src/lua/common/je_lua_shared.hpp
new file mode 100644
index 0000000..7ad7c1d
--- /dev/null
+++ b/src/lua/common/je_lua_shared.hpp
@@ -0,0 +1,99 @@
+#ifndef __JIN_COMMON_REFERENCE_H
+#define __JIN_COMMON_REFERENCE_H
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        /*abstract*/class SharedBase
+        {
+        public:
+            void retain()
+            {
+                ++(*count);
+            }
+
+            void release()
+            {
+                if (--(*count) <= 0)
+                    delete this;
+            }
+
+            // object type string
+            const char* const type;
+
+		    void setUserdata(void* data)
+		    {
+			    userdata = data;
+		    }
+
+		    void* getUserdata()
+		    {
+			    return userdata;
+		    }
+
+        protected:
+            SharedBase(void* obj, const char* t)
+                : object(obj)
+                , type(t)
+            {
+                count = new int(1);
+            }
+
+            SharedBase(const SharedBase&);
+
+            virtual ~SharedBase()
+            {
+
+            }
+
+            void* object;
+            int* count;       
+		    void* userdata;
+        };
+
+        template<class T>
+        class Shared : public SharedBase
+        {
+        public:
+            Shared(T* obj, const char* type)
+                : SharedBase(obj, type)
+            {
+            }
+
+            ~Shared()
+            {
+                T* obj = static_cast<T*>(object);
+                delete obj;
+            }
+
+            T* operator->()
+            {
+                return static_cast<T*>(object);
+            }
+
+            T* getObject()
+            {
+                return static_cast<T*>(object);
+            }
+
+            T* operator &()
+            {
+                return static_cast<T*>(object);
+            }
+
+            T& operator *()
+            {
+                return *(static_cast<T*>(object));
+            }
+
+        private:
+            Shared(const Shared<T>& ref);
+
+        };
+
+    }
+}
+
+#endif
+\ No newline at end of file