// Copyright (c) 2007-2009 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

*/

#ifndef SYMBIAN_NM_ADDRESS_INTERNAL_H

#define SYMBIAN_NM_ADDRESS_INTERNAL_H

#include <elements/nm_interfaces.h>	// which includes nm_address.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_ElemNodeMessAdrI, "ElemNodeMessAdrI");

#endif

namespace Messages

{

//

//TRuntimeCtxIdOp

class TRuntimeCtxIdOp

/*

@internalTechnology

*/

	{

public:

	TRuntimeCtxIdOp(TRuntimeCtxId& aRuntimeCtxId)

	:	iRuntimeCtxId(aRuntimeCtxId)

		{

		}

	//panics when already set

	inline void Set(TUint8 aSize)

		{

		__ASSERT_DEBUG(aSize > 0 && aSize <= TRuntimeCtxId::KMaxInlineAddressSize,

			User::Panic(Messages::KMessagesPanic,Messages::EAddressCastPanic)); //Clearing is not allowed by design

		__ASSERT_DEBUG(iRuntimeCtxId.iSize == 0, User::Panic(KSpecAssert_ElemNodeMessAdrI, 1));

		iRuntimeCtxId.iSize = aSize | TRuntimeCtxId::KIsNullMask8; //Set as not null at the same time

		}

	//panics when already set

	inline void Set(TUint8 aSalt, TUint16 aThread)

		{

		__ASSERT_DEBUG(iRuntimeCtxId.IsNull(), User::Panic(KSpecAssert_ElemNodeMessAdrI, 3));

		__ASSERT_DEBUG(iRuntimeCtxId.iThread == 0, User::Panic(KSpecAssert_ElemNodeMessAdrI, 4));

		__ASSERT_DEBUG(iRuntimeCtxId.iSalt == 0, User::Panic(KSpecAssert_ElemNodeMessAdrI, 5));

		iRuntimeCtxId.iSalt = aSalt;

		iRuntimeCtxId.iThread = aThread;

		iRuntimeCtxId.iSize |= TRuntimeCtxId::KIsNullMask8;

		}

protected:

	TRuntimeCtxId& iRuntimeCtxId;

	};

//

//TNodeIdOp

class TNodeIdOp

/*

@internalTechnology

*/

	{

public:

	TNodeIdOp(TNodeId& aNodeId)

	:	iNodeId(aNodeId)

		{

		}

	//panics when already set

	inline void SetPtr(TAny* aInterface)

		{

		__ASSERT_DEBUG(iNodeId.iPtr == NULL, User::Panic(KSpecAssert_ElemNodeMessAdrI, 6));

		iNodeId.iPtr = aInterface;

		}

protected:

	TNodeId& iNodeId;

	};

//

//TNodeCtxIdOp

class TNodeCtxIdOp

/*

@internalTechnology

*/

	{

public:

	TNodeCtxIdOp(TNodeCtxId& aNodeCtxId)

	:	iNodeCtxId(aNodeCtxId)

		{

		}

	inline void SetNodeCtx(TUint16 aNodeCtx)

		{

		iNodeCtxId.iNodeCtx = aNodeCtx;

		}

protected:

	TNodeCtxId& iNodeCtxId;

	};

//

//TNodeOid

class TNodeOid : protected TNodeId

    {

    friend class ANodeId;

public:

	IMPORT_C explicit TNodeOid(ANode& aObj);

	IMPORT_C ~TNodeOid();

private:

	IMPORT_C explicit TNodeOid(TAny* aObj);

	IMPORT_C void UnregisterSelf();

    };

} //namespace Messages

#endif

	//SYMBIAN_NM_ADDRESS_INTERNAL_H