commsfwsupport/commselements/NetMeta/src/MetaVirtCtor.cpp
changeset 0 dfb7c4ff071f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwsupport/commselements/NetMeta/src/MetaVirtCtor.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,79 @@
+// 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
+*/
+
+#include <elements/metavirtctor.h>
+
+
+#ifdef _DEBUG
+// Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module
+// (if it could happen through user error then you should give it an explicit, documented, category + code)
+_LIT(KSpecAssert_ElemNetMetaMtVrt, "ElemNetMetaMtVrt");
+#endif
+
+#if !defined(VERIFY_RESULT) && defined(_DEBUG)
+#define VERIFY_RESULT(c,d) __ASSERT_DEBUG(c==d, User::Panic(KSpecAssert_ElemNetMetaMtVrt, 1))
+#else
+#define VERIFY_RESULT(c,d) ((void)(c))
+#endif
+
+using namespace Meta;
+
+_LIT(KMetaDataNetCtorPanic, "MetaDataNetCtor");
+enum TMetaDataNetCtorPanic
+	{
+	EConstructedObjectTooBig = 0
+	};
+
+/** Thin helper to in-place construction in a descriptor (eg TBuf8)
+*/
+EXPORT_C TAny* SMetaDataNetCtor::operator new(TUint aSize, TDes8& aBuff)
+	{
+	__ASSERT_ALWAYS(aSize <= static_cast<TUint>(aBuff.MaxSize()), User::Panic(KMetaDataNetCtorPanic, EConstructedObjectTooBig));
+	return const_cast<TUint8*>(aBuff.Ptr());
+	}
+
+EXPORT_C SMetaDataNetCtor* CMetaDataVirtualCtorInPlace::New(const Meta::STypeId& aType, TDes8& aBuff) const
+    {
+    return static_cast<SMetaDataNetCtor*>(VC::CVirtualCtorInPlace::New(aType, aBuff));
+    }
+
+EXPORT_C SMetaDataNetCtor* CMetaDataVirtualCtorInPlace::New(const Meta::STypeId& aType, TPtrC8& aParams, TDes8& aBuff) const
+	{
+	SMetaDataNetCtor* self = CMetaDataVirtualCtorInPlace::New(aType,aBuff);
+	if (self)
+		{
+		VERIFY_RESULT(self->Load(aParams), KErrNone);
+		}
+	return self;
+	}
+
+EXPORT_C SMetaDataNetCtor* CMetaDataVirtualCtorInPlace::New(TPtrC8& aParams, TDes8& aBuff) const
+    {
+   	__ASSERT_DEBUG(aParams.Length() >= sizeof(Meta::STypeId), User::Panic(KSpecAssert_ElemNetMetaMtVrt, 2));
+	const Meta::STypeId* typeId = reinterpret_cast<const Meta::STypeId*>(aParams.Ptr());
+	if (typeId==NULL)
+		{
+		return NULL;
+		}
+	typeId->Check(aParams); //Strip the buffer
+	return New(*typeId, aParams, aBuff);
+    }
+
+