// Copyright (c) 2004-2009 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          : CSIPCSeqHeader.cpp

// Part of       : SIP Codec

// Version       : SIP/4.0 

//

#include "sipcseqheader.h"

#include "sipcodecerr.h"

#include "SIPSyntaxCheck.h"

#include "sipstrings.h"

#include "sipstrconsts.h"

#include "sipcodecutils.h"

#include "_sipcodecdefs.h"

const TInt KSpace = 32;

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

// CSIPCSeqHeader::DecodeL

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

//

EXPORT_C CSIPCSeqHeader* CSIPCSeqHeader::DecodeL(const TDesC8& aValue)

	{

	CSIPCSeqHeader* self = new(ELeave)CSIPCSeqHeader;

	CleanupStack::PushL(self);	

	self->ParseL(aValue);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPCSeqHeader::NewL

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

//

EXPORT_C CSIPCSeqHeader* CSIPCSeqHeader::NewL(TUint aSeq, RStringF aMethod)

	{

	CSIPCSeqHeader* self = CSIPCSeqHeader::NewLC(aSeq,aMethod);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPCSeqHeader::NewLC

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

//

EXPORT_C CSIPCSeqHeader* CSIPCSeqHeader::NewLC(TUint aSeq, RStringF aMethod)

	{

	CSIPCSeqHeader* self = new(ELeave)CSIPCSeqHeader;

	CleanupStack::PushL(self);

	self->ConstructL(aSeq,aMethod);

	return self;

	}

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

// CSIPCSeqHeader::CSIPCSeqHeader

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

//

CSIPCSeqHeader::CSIPCSeqHeader()

	{

	}

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

// CSIPCSeqHeader::ConstructL

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

//

void CSIPCSeqHeader::ConstructL(TUint aSeq, RStringF aMethod)

	{

	SetMethodL(aMethod);

	iSeq = aSeq;

	}

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

// CSIPCSeqHeader::~CSIPCSeqHeader

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

//

EXPORT_C CSIPCSeqHeader::~CSIPCSeqHeader()

	{

	iMethod.Close();

	}

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

// CSIPCSeqHeader::CloneL

// From CSIPHeaderBase:

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

//

EXPORT_C CSIPHeaderBase* CSIPCSeqHeader::CloneL() const

	{

	CSIPCSeqHeader* clone = new(ELeave)CSIPCSeqHeader;

	clone->iMethod = this->Method().Copy();

	clone->iSeq = this->iSeq;

	return clone;	

	}

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

// CSIPCSeqHeader::Seq

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

//

EXPORT_C TUint CSIPCSeqHeader::Seq() const

	{

	return iSeq;

	}

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

// CSIPCSeqHeader::SetSeq

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

//

EXPORT_C void CSIPCSeqHeader::SetSeq(TUint aSeq)

	{

	iSeq = aSeq;

	}

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

// CSIPCSeqHeader::Method

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

//

EXPORT_C RStringF CSIPCSeqHeader::Method() const

	{

	return iMethod;

	}

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

// CSIPCSeqHeader::SetMethodL

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

//

EXPORT_C void CSIPCSeqHeader::SetMethodL(RStringF aMethod)

	{

	SetMethodL(aMethod.DesC());

	}

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

// CSIPCSeqHeader::FullName

// From CSIPHeaderBase:

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

//

EXPORT_C RStringF CSIPCSeqHeader::Name() const

	{

	return SIPStrings::StringF(SipStrConsts::ECSeqHeader);

	}

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

// CSIPCSeqHeader::ToTextValueL

// From CSIPHeaderBase:

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

//

EXPORT_C HBufC8* CSIPCSeqHeader::ToTextValueL() const

	{

	const TInt KMaxSeqNumLength = 80;

	TBuf8<KMaxSeqNumLength> seqAsText;

	seqAsText.Format(_L8("%u"), iSeq);

	TUint encodedLength = seqAsText.Length() + 1; // SP

	TPtrC8 method(iMethod.DesC());

	encodedLength += method.Length(); 

	HBufC8* encodingResult = HBufC8::NewL (encodedLength);

	TPtr8 encodingResultPtr = encodingResult->Des();

	encodingResultPtr.Append(seqAsText);

	encodingResultPtr.Append(KSpace);

	encodingResultPtr.Append(method);

	return encodingResult;

	}

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

// CSIPCSeqHeader::PreferredPlaceInMessage

// From CSIPHeaderBase:

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

//

CSIPHeaderBase::TPreferredPlace CSIPCSeqHeader::PreferredPlaceInMessage() const

	{

	return CSIPHeaderBase::EMiddle;

	}

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

// CSIPCSeqHeader::BaseDecodeL

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

//

RPointerArray<CSIPHeaderBase> CSIPCSeqHeader::BaseDecodeL(const TDesC8& aValue)

	{

	CSIPCSeqHeader* header = DecodeL(aValue);

	CleanupStack::PushL(header);

	RPointerArray<CSIPHeaderBase> headers;

	User::LeaveIfError (headers.Append(header));

	CleanupStack::Pop(header);

	return headers;

	}	

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

// CSIPCSeqHeader::ParseL

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

//

void CSIPCSeqHeader::ParseL (const TDesC8& aValue)

	{

	__ASSERT_ALWAYS(aValue.Length() > 0,

	                User::Leave (KErrSipCodecCSeqHeader));

	TLex8 lex(aValue);

	if (!SIPSyntaxCheck::UInt(lex.NextToken(),iSeq))

		{

		User::Leave (KErrSipCodecCSeqHeader);

		}

	lex.SkipSpace();

	TPtrC8 method(lex.Remainder());

	SetMethodL(method);

	}

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

// CSIPCSeqHeader::ExternalizeValueL

// From CSIPHeaderBase:

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

//

void CSIPCSeqHeader::ExternalizeValueL (RWriteStream& aWriteStream) const

	{

	aWriteStream.WriteUint32L(this->Seq());

	TPtrC8 method(iMethod.DesC());

	aWriteStream.WriteUint32L(method.Length());

	if (method.Length() > 0)

		{

		aWriteStream.WriteL(method);

		}

	}

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

// CSIPCSeqHeader::InternalizeValueL

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

//

EXPORT_C CSIPHeaderBase* 

CSIPCSeqHeader::InternalizeValueL (RReadStream& aReadStream)

	{

	CSIPCSeqHeader* self = new(ELeave)CSIPCSeqHeader;

	CleanupStack::PushL(self);

	self->DoInternalizeValueL (aReadStream);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPCSeqHeader::DoInternalizeValueL

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

//

void CSIPCSeqHeader::DoInternalizeValueL (RReadStream& aReadStream)

	{

    iSeq = aReadStream.ReadUint32L();

    HBufC8* method = SIPCodecUtils::ReadDescFromStreamL(aReadStream);

    CleanupStack::PushL(method);

    iMethod = SIPStrings::Pool().OpenFStringL(*method);

    CleanupStack::PopAndDestroy(method);

	}

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

// CSIPCSeqHeader::SetMethodL

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

//	

void CSIPCSeqHeader::SetMethodL(const TDesC8& aMethod)

	{	

    RStringF tmp = 

        SIPCodecUtils::CheckAndCreateTokenL(aMethod, KErrSipCodecSIPMethod);

	iMethod.Close();

    iMethod = tmp;

	}