1 files changed, 72 insertions, 0 deletions
diff --git a/src/lua/common/Reference.hpp b/src/lua/common/Reference.hpp
new file mode 100644
index 0000000..f330323
--- /dev/null
+++ b/src/lua/common/Reference.hpp
@@ -0,0 +1,72 @@
+#ifndef __JIN_COMMON_REFERENCE_H
+#define __JIN_COMMON_REFERENCE_H
+
+namespace jin
+{
+namespace lua
+{
+
+    /*abstract*/class Reference
+    {
+    public:
+        void retain()
+        {
+            ++count;
+        }
+
+        void release()
+        {
+            if (--count <= 0)
+                delete this;
+        }
+
+    protected:
+        Reference(void* obj)
+            : count(1)
+            , object(obj)
+        {
+        }
+        Reference(const Reference&);
+        virtual ~Reference()
+        {
+        }
+
+        void* object;
+        int count;
+
+    };
+
+    template<class T>
+    class Ref : public Reference
+    {
+    public:
+        Ref(T* obj)
+            : Reference(obj)
+        {
+        }
+
+        ~Ref()
+        {
+            T* obj = (T*)object;
+            delete obj;
+        }
+
+        T* operator->()
+        {
+            return (T*)object;
+        }
+
+        T* getObject()
+        {
+            return (T*)object;
+        }
+
+    private:
+        Ref(const Ref<T>& ref);
+
+    };
+
+}
+}
+
+#endif
+\ No newline at end of file