// Copyright (c) 2006-2009 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:

// Name        : extensiondescrparam.cpp

// Part of     : SIP Profile

// implementation

// Version     : 1.0

// INCLUDE FILES

//

#include "extensiondescrparam.h"

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CExtensionDescrParam::NewLC

// -----------------------------------------------------------------------------

//

CExtensionDescrParam*

CExtensionDescrParam::NewLC(TUint32 aID, const TDesC8& aValue)

	{

	CExtensionDescrParam* self = new (ELeave) CExtensionDescrParam(aID);

    CleanupStack::PushL(self);

    self->ConstructL(aValue);

    return self;

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::CExtensionDescrParam

// -----------------------------------------------------------------------------

//

CExtensionDescrParam::CExtensionDescrParam(TUint32 aID) :

	iID(aID),

	iValue(NULL)

	{

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::ConstructL

// -----------------------------------------------------------------------------

//

void CExtensionDescrParam::ConstructL(const TDesC8& aValue)	

	{

	iValue = aValue.AllocL();

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::~CExtensionDescrParam

// -----------------------------------------------------------------------------

//

CExtensionDescrParam::~CExtensionDescrParam()

	{

	delete iValue;

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::InternalizeL

// -----------------------------------------------------------------------------

//

CExtensionDescrParam*

CExtensionDescrParam::InternalizeL(RReadStream& aReadStream)

	{

	TUint32 id = aReadStream.ReadUint32L();

	CExtensionDescrParam* self = new (ELeave) CExtensionDescrParam(id);	

	CleanupStack::PushL(self);

	TUint32 valueLength = aReadStream.ReadInt32L();

	self->iValue = HBufC8::NewL(valueLength);

	TPtr8 valuePtr(self->iValue->Des());

	aReadStream.ReadL(valuePtr, valueLength);

	CleanupStack::Pop(self);

	return self;

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::ExternalizeL

// -----------------------------------------------------------------------------

//

void CExtensionDescrParam::ExternalizeL(RWriteStream& aWriteStream) const

	{

	__ASSERT_ALWAYS(iValue != NULL, User::Leave(KErrNotFound));

	aWriteStream.WriteUint32L(iID);

	aWriteStream.WriteInt32L(iValue->Length());

	aWriteStream.WriteL(*iValue);

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::ExternalizedSizeL

// -----------------------------------------------------------------------------

//

TUint CExtensionDescrParam::ExternalizedSizeL() const

	{

	__ASSERT_ALWAYS(iValue != NULL, User::Leave(KErrNotFound));

	//CExtensionDescrParam::ExternalizeL writes descriptor's length as TInt32

	const TInt KLengthFieldSize = sizeof(TInt32);	

	return sizeof(iID) + KLengthFieldSize + iValue->Length();

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::operator==

// -----------------------------------------------------------------------------

//

TBool CExtensionDescrParam::operator==(const CExtensionDescrParam& aParam) const

	{

	return (ID() == aParam.ID()) && (Value().Compare(aParam.Value()) == 0);

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::ID

// -----------------------------------------------------------------------------

//

TUint32 CExtensionDescrParam::ID() const

	{

	return iID;

	}

// -----------------------------------------------------------------------------

// CExtensionDescrParam::Value

// -----------------------------------------------------------------------------

//		

const TDesC8& CExtensionDescrParam::Value() const

	{

	if (iValue)

		{		

		return *iValue;

		}

	return KNullDesC8;

	}