增加插件定义

inc/hgl/plugin/PlugIn.h

@@ -0,0 +1,46 @@
+#ifndef HGL_PLUGIN_INCLUDE
+#define HGL_PLUGIN_INCLUDE
+
+#include<hgl/type/BaseString.h>
+#include<hgl/plugin/PlugInInterface.h>
+namespace hgl
+{    
+    /**
+    * 插件基类
+    */
+    class PlugIn                                                                                    ///插件
+    {
+    protected:
+    
+        uint ref_count;
+
+        uint ver;
+        UTF16String name;
+        UTF16String intro;
+
+        OSString filename;                                                                          ///<插件文件名
+
+        PlugInInterface *plugin_interface;
+
+    public:
+
+        const uint          GetVersion  ()const{return ver;}                                        ///<取得插件版本
+        const UTF16String & GetIntro    ()const{return intro;}                                      ///<取得插件介绍
+        const UTF16String & GetName     ()const{return name;}                                       ///<取得插件名称
+
+    public:
+
+        PlugIn()
+        {
+            ref_count=0;
+            ver=0;
+            plugin_interface=nullptr;
+        }
+
+        virtual ~PlugIn();
+
+        uint add_ref(){return ++ref_count;}
+        uint release_ref(){return --ref_count;}
+    };//class PlugIn
+}//namespace hgl
+#endif//HGL_PLUGIN_INCLUDE