Using TC structure allowing easier patches importing

src/common/Dynamic/ObjectRegistry.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#ifndef TRINITY_OBJECTREGISTRY_H
+#define TRINITY_OBJECTREGISTRY_H
+
+#include "Define.h"
+#include "Dynamic/UnorderedMap.h"
+#include <ace/Singleton.h>
+
+#include <string>
+#include <vector>
+#include <map>
+
+/** ObjectRegistry holds all registry item of the same type
+ */
+template<class T, class Key = std::string>
+class ObjectRegistry
+{
+    public:
+        typedef std::map<Key, T *> RegistryMapType;
+
+        /// Returns a registry item
+        const T* GetRegistryItem(Key key) const
+        {
+            typename RegistryMapType::const_iterator iter = i_registeredObjects.find(key);
+            return( iter == i_registeredObjects.end() ? NULL : iter->second );
+        }
+
+        /// Inserts a registry item
+        bool InsertItem(T *obj, Key key, bool override = false)
+        {
+            typename RegistryMapType::iterator iter = i_registeredObjects.find(key);
+            if ( iter != i_registeredObjects.end() )
+            {
+                if ( !override )
+                    return false;
+                delete iter->second;
+                i_registeredObjects.erase(iter);
+            }
+
+            i_registeredObjects[key] = obj;
+            return true;
+        }
+
+        /// Removes a registry item
+        void RemoveItem(Key key, bool delete_object = true)
+        {
+            typename RegistryMapType::iterator iter = i_registeredObjects.find(key);
+            if ( iter != i_registeredObjects.end() )
+            {
+                if ( delete_object )
+                    delete iter->second;
+                i_registeredObjects.erase(iter);
+            }
+        }
+
+        /// Returns true if registry contains an item
+        bool HasItem(Key key) const
+        {
+            return (i_registeredObjects.find(key) != i_registeredObjects.end());
+        }
+
+        /// Inefficiently return a vector of registered items
+        unsigned int GetRegisteredItems(std::vector<Key> &l) const
+        {
+            unsigned int sz = l.size();
+            l.resize(sz + i_registeredObjects.size());
+            for (typename RegistryMapType::const_iterator iter = i_registeredObjects.begin(); iter != i_registeredObjects.end(); ++iter)
+                l[sz++] = iter->first;
+            return i_registeredObjects.size();
+        }
+
+        /// Return the map of registered items
+        RegistryMapType const &GetRegisteredItems() const
+        {
+            return i_registeredObjects;
+        }
+
+        ObjectRegistry() { }
+        ~ObjectRegistry()
+        {
+            for (typename RegistryMapType::iterator iter=i_registeredObjects.begin(); iter != i_registeredObjects.end(); ++iter)
+                delete iter->second;
+            i_registeredObjects.clear();
+        }
+    private:
+        RegistryMapType i_registeredObjects;
+};
+
+#endif