// 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          : CSIPAcceptEncodingHeader.cpp

// Part of       : SIP Codec

// Version       : SIP/4.0 

//

#include "sipacceptencodingheader.h"

#include "CSIPAcceptHeaderParams.h"

#include "SIPSyntaxCheck.h"

#include "CSIPTokenizer.h"

#include "sipcodecerr.h"

#include "sipstrings.h"

#include "sipstrconsts.h"

#include "sipcodecutils.h"

#include "_sipcodecdefs.h"

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

// CSIPAcceptEncodingHeader::DecodeL

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

//

EXPORT_C RPointerArray<CSIPAcceptEncodingHeader> 

CSIPAcceptEncodingHeader::DecodeL(const TDesC8& aValue)

	{

    RPointerArray<CSIPHeaderBase> baseheaders = BaseDecodeL(aValue);

    CSIPHeaderBase::PushLC(&baseheaders);

    RPointerArray<CSIPAcceptEncodingHeader> acceptHeaders;

    CleanupClosePushL(acceptHeaders);

    TInt count = baseheaders.Count();

    for (TInt i=0; i < count; i++)

		{

		CSIPAcceptEncodingHeader* header = 

            static_cast<CSIPAcceptEncodingHeader*>(baseheaders[i]);

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

		}

    CleanupStack::Pop(); // acceptHeaders

    CleanupStack::Pop(); // baseheaders

    baseheaders.Close();

    return acceptHeaders;

	}

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

// CSIPAcceptEncodingHeader::NewL

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

//

EXPORT_C CSIPAcceptEncodingHeader* CSIPAcceptEncodingHeader::NewL(

    const TDesC8& aCodings)

	{

	CSIPAcceptEncodingHeader* self = 

		CSIPAcceptEncodingHeader::NewLC(aCodings);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPAcceptEncodingHeader::NewLC

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

//

EXPORT_C CSIPAcceptEncodingHeader* CSIPAcceptEncodingHeader::NewLC(

    const TDesC8& aCodings)

	{

	CSIPAcceptEncodingHeader* self = new(ELeave)CSIPAcceptEncodingHeader;

	CleanupStack::PushL(self);

	self->ConstructL(aCodings);

	return self;

	}

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

// CSIPAcceptEncodingHeader::CSIPAcceptEncodingHeader

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

//

CSIPAcceptEncodingHeader::CSIPAcceptEncodingHeader()

:   CSIPParameterHeaderBase(';')

	{

	}

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

// CSIPAcceptEncodingHeader::ConstructL

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

//

void CSIPAcceptEncodingHeader::ConstructL()

	{

	iParams = new(ELeave)CSIPAcceptHeaderParams;

	}

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

// CSIPAcceptEncodingHeader::ConstructL

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

//

void CSIPAcceptEncodingHeader::ConstructL(const TDesC8& aCodings)

	{

	SetCodingsL(aCodings);

	ConstructL();

	}

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

// CSIPAcceptEncodingHeader::ConstructL

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

//

void CSIPAcceptEncodingHeader::ConstructL(

    const CSIPAcceptEncodingHeader& aAcceptEncodingHeader)

	{

	SetCodingsL(aAcceptEncodingHeader.Codings());

	iParams = 

		CSIPAcceptHeaderParams::NewL(*(aAcceptEncodingHeader.iParams));

	}

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

// CSIPAcceptEncodingHeader::~CSIPAcceptEncodingHeader

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

//

EXPORT_C CSIPAcceptEncodingHeader::~CSIPAcceptEncodingHeader()

	{

	delete iParams;

	delete iCodings;

	}

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

// CSIPAcceptEncodingHeader::CloneL

// From CSIPHeaderBase:

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

//

EXPORT_C CSIPHeaderBase* CSIPAcceptEncodingHeader::CloneL() const

	{

    CSIPAcceptEncodingHeader* clone = new(ELeave)CSIPAcceptEncodingHeader;

    CleanupStack::PushL(clone);

    clone->ConstructL(*this);

    CleanupStack::Pop(clone);

    return clone;

	}

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

// CSIPAcceptEncodingHeader::Codings

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

//

EXPORT_C const TDesC8& CSIPAcceptEncodingHeader::Codings () const

	{

	return *iCodings;

	}

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

// CSIPAcceptEncodingHeader::SetCodingsL

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

//

EXPORT_C void CSIPAcceptEncodingHeader::SetCodingsL(const TDesC8& aCodings)

	{

	HBufC8* tmp = aCodings.AllocLC();

	tmp->Des().Trim();

	if (tmp->Length() > 0 && !SIPSyntaxCheck::Token(*tmp))

        {

        User::Leave(KErrSipCodecAcceptEncodingHeader);

	    }

	CleanupStack::Pop(tmp);

	delete iCodings;

	iCodings = tmp;

	}

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

// CSIPAcceptEncodingHeader::QParameter

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

//

EXPORT_C TReal CSIPAcceptEncodingHeader::QParameter() const

	{

	return iParams->RealParamValue(SIPStrings::StringF(SipStrConsts::EQ));

	}

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

// CSIPAcceptEncodingHeader::SetQParameterL

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

//

EXPORT_C void CSIPAcceptEncodingHeader::SetQParameterL(TReal aQValue)

	{

	iParams->SetParamL(SIPStrings::StringF(SipStrConsts::EQ), aQValue);

	}

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

// CSIPAcceptEncodingHeader::Params

// From CSIPParameterHeaderBase:

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

//

const CSIPParamContainerBase& CSIPAcceptEncodingHeader::Params() const

    {

    return *iParams; 

    }

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

// CSIPAcceptEncodingHeader::Params

// From CSIPParameterHeaderBase:

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

//

CSIPParamContainerBase& CSIPAcceptEncodingHeader::Params()

    {

    return *iParams; 

    }

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

// CSIPAcceptEncodingHeader::MoreThanOneAllowed

// From CSIPHeaderBase:

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

//

TBool CSIPAcceptEncodingHeader::MoreThanOneAllowed() const

	{

	return ETrue;

	}

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

// CSIPAcceptEncodingHeader::Name

// From CSIPHeaderBase:

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

//

EXPORT_C RStringF CSIPAcceptEncodingHeader::Name() const

	{

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

	}

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

// CSIPAcceptEncodingHeader::InternalizeValueL

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

//

EXPORT_C CSIPHeaderBase* CSIPAcceptEncodingHeader::InternalizeValueL(

    RReadStream& aReadStream)

	{

	CSIPAcceptEncodingHeader* self = new(ELeave)CSIPAcceptEncodingHeader;

	CleanupStack::PushL(self);

	self->DoInternalizeValueL(aReadStream);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPAcceptEncodingHeader::ExternalizeValueL

// From CSIPHeaderBase:

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

//

void CSIPAcceptEncodingHeader::ExternalizeValueL(

    RWriteStream& aWriteStream) const

	{

	aWriteStream.WriteUint32L (iCodings->Length());

	aWriteStream.WriteL (*iCodings);

	iParams->ExternalizeL (aWriteStream);

	}

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

// CSIPAcceptEncodingHeader::DoInternalizeValueL

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

//

void CSIPAcceptEncodingHeader::DoInternalizeValueL(RReadStream& aReadStream)

	{

    iCodings = SIPCodecUtils::ReadDescFromStreamL(aReadStream);

	iParams = CSIPAcceptHeaderParams::InternalizeL (aReadStream);

	}

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

// CSIPAcceptEncodingHeader::ToTextMandatoryPartLC

// From CSIPHeaderBase:

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

//

HBufC8* CSIPAcceptEncodingHeader::ToTextMandatoryPartLC() const

	{

	return iCodings->AllocLC();

	}

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

// CSIPAcceptEncodingHeader::PreferredPlaceInMessage

// From CSIPHeaderBase:

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

//

CSIPHeaderBase::TPreferredPlace

CSIPAcceptEncodingHeader::PreferredPlaceInMessage() const

	{

	return CSIPHeaderBase::EBottom;

	}

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

// CSIPAcceptEncodingHeader::BaseDecodeL

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

//

RPointerArray<CSIPHeaderBase> CSIPAcceptEncodingHeader::BaseDecodeL(

    const TDesC8& aValue)

    {

	RPointerArray<CSIPHeaderBase> headers;

    CSIPHeaderBase::PushLC(&headers);

	CSIPTokenizer* tokenizer = CSIPTokenizer::NewLC(aValue, ',');

	for (TInt i=0; i < tokenizer->Tokens().Count(); i++)

		{

		CSIPAcceptEncodingHeader* header = 

			new(ELeave)CSIPAcceptEncodingHeader;

		CleanupStack::PushL(header);

		header->ConstructL();

		header->ParseL(tokenizer->Tokens()[i]);

		if (header->Codings().Length() == 0 &&

		    header->ParamCount() > 0)

		    {

		    User::Leave(KErrSipCodecAcceptEncodingHeader);

		    }

		headers.AppendL(header);

		CleanupStack::Pop(header);

		}

	CleanupStack::PopAndDestroy(tokenizer);

	CleanupStack::Pop(); // headers

	return headers;

    }

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

// CSIPAcceptEncodingHeader::ParseMandatoryPartL

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

//

void CSIPAcceptEncodingHeader::ParseMandatoryPartL(

    const TDesC8& aMandatoryPart)

	{

	SetCodingsL(aMandatoryPart);

	}