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authorNeo2003 <none@none>2008-10-02 16:23:55 -0500
committerNeo2003 <none@none>2008-10-02 16:23:55 -0500
commit9b1c0e006f20091f28f3f468cfcab1feb51286bd (patch)
treeb5d1ba94a656e6679f8737f9ea6bed1239b73b14 /src/framework/Policies/CreationPolicy.h
[svn] * Proper SVN structureinit
--HG-- branch : trunk
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+/*
+ * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef MANGOS_CREATIONPOLICY_H
+#define MANGOS_CREATIONPOLICY_H
+
+#include <stdlib.h>
+#include "Platform/Define.h"
+
+namespace MaNGOS
+{
+ /**
+ * OperatorNew policy creates an object on the heap using new.
+ */
+ template <class T>
+ class MANGOS_DLL_DECL OperatorNew
+ {
+ public:
+ static T* Create(void) { return (new T); }
+ static void Destroy(T *obj) { delete obj; }
+ };
+
+ /**
+ * LocalStaticCreation policy creates an object on the stack
+ * the first time call Create.
+ */
+ template <class T>
+ class MANGOS_DLL_DECL LocalStaticCreation
+ {
+ union MaxAlign
+ {
+ char t_[sizeof(T)];
+ short int shortInt_;
+ int int_;
+ long int longInt_;
+ float float_;
+ double double_;
+ long double longDouble_;
+ struct Test;
+ int Test::* pMember_;
+ int (Test::*pMemberFn_)(int);
+ };
+ public:
+ static T* Create(void)
+ {
+ static MaxAlign si_localStatic;
+ return new(&si_localStatic) T;
+ }
+
+ static void Destroy(T *obj) { obj->~T(); }
+ };
+
+ /**
+ * CreateUsingMalloc by pass the memory manger.
+ */
+ template<class T>
+ class MANGOS_DLL_DECL CreateUsingMalloc
+ {
+ public:
+ static T* Create()
+ {
+ void* p = ::malloc(sizeof(T));
+ if (!p) return 0;
+ return new(p) T;
+ }
+
+ static void Destroy(T* p)
+ {
+ p->~T();
+ ::free(p);
+ }
+ };
+
+ /**
+ * CreateOnCallBack creates the object base on the call back.
+ */
+ template<class T, class CALL_BACK>
+ class MANGOS_DLL_DECL CreateOnCallBack
+ {
+ public:
+ static T* Create()
+ {
+ return CALL_BACK::createCallBack();
+ }
+
+ static void Destroy(T *p)
+ {
+ CALL_BACK::destroyCallBack(p);
+ }
+ };
+}
+#endif