BUG: make ossimPluginReaderFactory non copyable

Modules/ThirdParty/OssimPlugins/src/ossim/ossimPluginReaderFactory.cpp

@@ -47,7 +47,7 @@ namespace ossimplugins
 
    ossimPluginReaderFactory::~ossimPluginReaderFactory()
    {
-      theInstance = 0;
+      theInstance = nullptr;
    }
 
    ossimPluginReaderFactory* ossimPluginReaderFactory::instance()
@@ -179,13 +179,4 @@ namespace ossimplugins
    {
       extensionList.push_back(ossimString("xml"));
    }
-
-   ossimPluginReaderFactory::ossimPluginReaderFactory(){}
-
-   ossimPluginReaderFactory::ossimPluginReaderFactory(const ossimPluginReaderFactory& rhs)
-       : ossimImageHandlerFactoryBase(rhs)
-   {
-   }
-
-   void ossimPluginReaderFactory::operator=(const ossimPluginReaderFactory&){}
 }

Modules/ThirdParty/OssimPlugins/src/ossim/ossimPluginReaderFactory.h

@@ -97,21 +97,21 @@ namespace ossimplugins
       virtual void getSupportedExtensions(
          ossimImageHandlerFactoryBase::UniqueStringList& extensionList)const;
 
-   protected:
-      /** @brief hidden from use default constructor */
-      ossimPluginReaderFactory();
+      /** @brief deleted copy constructor */
+      ossimPluginReaderFactory(const ossimPluginReaderFactory&) = delete;
 
-      /** @brief hidden from use copy constructor */
-      ossimPluginReaderFactory(const ossimPluginReaderFactory&);
+      /** @brief deleted copy assignment operator */
+      void operator=(const ossimPluginReaderFactory&) = delete;
 
-      /** @brief hidden from use copy constructor */
-      void operator=(const ossimPluginReaderFactory&);
+   protected:
+      /** @brief hidden from use default constructor */
+      ossimPluginReaderFactory() {}
 
       /** static instance of this class */
       static ossimPluginReaderFactory* theInstance;
 
       TYPE_DATA
-         };
+  };
 }
 
 #endif /* end of #ifndef ossimPluginReaderFactory_HEADER */