// 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:

// Name          : CSIPViaHeaderParams.cpp

// Part of       : SIP Codec

// Version       : SIP/4.0 

//

#include "CSIPViaHeaderParams.h"

#include "sipcodecerr.h"

#include "SIPSyntaxCheck.h"

#include "sipstrings.h"

#include "sipstrconsts.h"

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

// CSIPViaHeaderParams::DecodeL

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

//

CSIPViaHeaderParams* CSIPViaHeaderParams::DecodeL(const TDesC8& aValue)

	{

	__ASSERT_ALWAYS (aValue.Length() > 0, User::Leave(KErrSipCodecViaHeader));

	CSIPViaHeaderParams* params = new(ELeave)CSIPViaHeaderParams;

	CleanupStack::PushL (params);

	params->ParseL(aValue);

	CleanupStack::Pop(params);

	return params;

	}

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

// CSIPViaHeaderParams::NewL

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

//

CSIPViaHeaderParams* CSIPViaHeaderParams::NewL(

    const CSIPViaHeaderParams& aParams)

	{

	CSIPViaHeaderParams* self = CSIPViaHeaderParams::NewLC (aParams);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPViaHeaderParams::NewLC

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

//

CSIPViaHeaderParams* CSIPViaHeaderParams::NewLC(

    const CSIPViaHeaderParams& aParams)

	{

	CSIPViaHeaderParams* self = new(ELeave)CSIPViaHeaderParams;

	CleanupStack::PushL(self);

	self->ConstructL(aParams);

	return self;

	}	

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

// CSIPViaHeaderParams::CSIPViaHeaderParams

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

//

CSIPViaHeaderParams::CSIPViaHeaderParams ()

 : CSIPParamContainerBase(';')

	{

	}

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

// CSIPViaHeaderParams::~CSIPViaHeaderParams

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

//

CSIPViaHeaderParams::~CSIPViaHeaderParams ()

	{

	}

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

// CSIPViaHeaderParams::operator==

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

//

TBool CSIPViaHeaderParams::operator==(const CSIPViaHeaderParams& aParams) const

	{

	// All parameters in a Via-header must be present in the other one

	// and their values must match.

	for (TInt i=0; i < iParams.Count(); i++)

		{

		TInt index = aParams.FindParamIndex(iParams[i]->Name());

		if (index < 0)

			{

			return EFalse;

			}

		if (!(*(aParams.iParams[index]) == *(iParams[i])))

			{

			return EFalse;

			}

		}

	for (TInt j=0; j < aParams.iParams.Count(); j++)

		{

		TInt index = FindParamIndex(aParams.iParams[j]->Name());

		if (index < 0)

			{

			return EFalse;

			}

		}

	return ETrue;

	}

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

// CSIPViaHeaderParams::CheckParamL

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

//

void CSIPViaHeaderParams::CheckParamL (CSIPParam& aParam) const

	{

	RStringF name = aParam.Name();

	TPtrC8 value = aParam.Value().DesC(); 	

	// ttl

	if (name == SIPStrings::StringF(SipStrConsts::ETtl))

		{

		if (!SIPSyntaxCheck::TtlValue(value))

			{

			User::Leave(KErrSipCodecViaHeader);

			}

		return;

		}

	// maddr

	if (name == SIPStrings::StringF(SipStrConsts::EMaddr))

		{

		if (!SIPSyntaxCheck::Host(value))

			{

			User::Leave(KErrSipCodecViaHeader);

			}

		return;

		}

	// received

	if (name == SIPStrings::StringF(SipStrConsts::EReceived))

		{

		CSIPHostPort::TType hostType;

		if (SIPSyntaxCheck::HostType(value,hostType) != KErrNone)

			{

			User::Leave(KErrSipCodecViaHeader);

			}

		if (!(hostType == CSIPHostPort::ESIPIpv4 || 

		      hostType == CSIPHostPort::ESIPIpv6))

			{

			User::Leave(KErrSipCodecViaHeader);

			}

		return;

		}

	// branch

	if (name == SIPStrings::StringF(SipStrConsts::EBranch))

		{

		if (!SIPSyntaxCheck::Token(value))

			{

			User::Leave(KErrSipCodecViaHeader);

			}

		return;

		}

    // generic-param

    CheckGenericParamL(aParam, KErrSipCodecViaHeader);

	}