commsfwsupport/commselements/NetMeta/inc/MetaVirtCtor.h
changeset 0 dfb7c4ff071f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwsupport/commselements/NetMeta/inc/MetaVirtCtor.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,62 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#if (!defined METAVIRTCTOR_H)
+#define METAVIRTCTOR_H
+
+#include <elements/vc.h>
+#include <elements/metadata.h>
+
+namespace Meta
+{
+
+/** Base class for objects constructed in explicitly managed memory by the virtual ctor. Explicit management means
+    not the default heap, ie the caller has the responsibility of providing enough memory and maintaining its existence
+	until after the object has been destroyed. Generally this will be a stack-based buffer.
+*/
+
+class SMetaDataNetCtor : public Meta::SMetaData		// in-place
+	{
+public:
+	IMPORT_C TAny* operator new(TUint aSize, TDes8& aBuff);
+	// No "operator delete"; in-place by design
+	};
+
+
+class CMetaDataVirtualCtorInPlace : public VC::CVirtualCtorInPlace
+	{
+public:
+	//Constructs only from the type
+	IMPORT_C SMetaDataNetCtor* New(const Meta::STypeId& aType, TDes8& aBuff) const;
+	
+	//Constructs from the type and loads from the buffer
+	IMPORT_C SMetaDataNetCtor* New(const Meta::STypeId& aType, TPtrC8& aParams, TDes8& aBuff) const;
+	
+	//Constructs and loads from the buffer
+	IMPORT_C SMetaDataNetCtor* New(TPtrC8& aParams, TDes8& aBuff) const;
+
+	};
+
+} //namespace Meta
+
+
+#endif //METAVIRTCTOR_H
+
+