// 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          : CSIPAllowEventsHeader.cpp

// Part of       : SIP Codec

// Version       : SIP/4.0 

//

#include "sipalloweventsheader.h"

#include "CSIPTokenizer.h"

#include "sipcodecerr.h"

#include "SIPSyntaxCheck.h"

#include "sipstrings.h"

#include "sipstrconsts.h"

#include "sipcodecutils.h"

#include "_sipcodecdefs.h"

_LIT8(KDot, ".");

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

// CSIPAllowEventsHeader::DecodeL

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

//

EXPORT_C RPointerArray<CSIPAllowEventsHeader> 

CSIPAllowEventsHeader::DecodeL (const TDesC8& aValue)

	{

    RPointerArray<CSIPHeaderBase> baseheaders = BaseDecodeL(aValue);

    CSIPHeaderBase::PushLC(&baseheaders);

    RPointerArray<CSIPAllowEventsHeader> allowHeaders;

    CleanupClosePushL(allowHeaders);

    TInt count = baseheaders.Count();

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

		{

		CSIPAllowEventsHeader* header = 

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

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

		}

    CleanupStack::Pop(2); //allowHeaders, baseheaders

    baseheaders.Close();

    return allowHeaders;

    }

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

// CSIPAllowEventsHeader::NewL

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

//

EXPORT_C CSIPAllowEventsHeader* CSIPAllowEventsHeader::NewL(

    const TDesC8& aEventPackage)

	{

	CSIPAllowEventsHeader* self = CSIPAllowEventsHeader::NewLC(aEventPackage);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPEventHeader::NewLC

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

//

EXPORT_C CSIPAllowEventsHeader* CSIPAllowEventsHeader::NewLC(

    const TDesC8& aEventPackage)

	{

	CSIPAllowEventsHeader* self=new(ELeave) CSIPAllowEventsHeader();

	CleanupStack::PushL(self);

	self->ConstructL(aEventPackage);

	return self;

	}

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

// CSIPAllowEventsHeader::CSIPAllowEventsHeader

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

//

CSIPAllowEventsHeader::CSIPAllowEventsHeader()

	{

	}

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

// CSIPAllowEventsHeader::ConstructL

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

//

void CSIPAllowEventsHeader::ConstructL()

	{

	iEventTemplates = new(ELeave) CDesC8ArraySeg(1);

	}

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

// CSIPAllowEventsHeader::ConstructL

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

//

void CSIPAllowEventsHeader::ConstructL (const TDesC8& aEventPackage)

	{

	ConstructL();

	SetEventPackageL (aEventPackage);

	}

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

// CSIPAllowEventsHeader::ConstructL

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

//

void 

CSIPAllowEventsHeader::ConstructL (const CSIPAllowEventsHeader& 

										aSIPAllowEventsHeader)

	{

	SetEventTemplatesL(*aSIPAllowEventsHeader.iEventTemplates);

	SetEventPackageL(aSIPAllowEventsHeader.EventPackage());

	}

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

// CSIPAllowEventsHeader::~CSIPAllowEventsHeader

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

//

EXPORT_C CSIPAllowEventsHeader::~CSIPAllowEventsHeader()

	{

	delete iEventTemplates;

	delete iEventPackage;

	}

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

// CSIPAllowEventsHeader::CloneL

// From CSIPHeaderBase:

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

//

EXPORT_C CSIPHeaderBase* CSIPAllowEventsHeader::CloneL () const

	{

    CSIPAllowEventsHeader* clone = new (ELeave) CSIPAllowEventsHeader;

    CleanupStack::PushL(clone);

    clone->ConstructL(*this);

    CleanupStack::Pop(clone);

    return clone;

	}

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

// CSIPAllowEventsHeader::Name

// From CSIPHeaderBase:

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

//

EXPORT_C RStringF CSIPAllowEventsHeader::Name () const

	{

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

	}

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

// CSIPAllowEventsHeader::HasCompactName

// From CSIPHeaderBase:

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

//

TBool CSIPAllowEventsHeader::HasCompactName () const

	{

	return ETrue;

	}

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

// CSIPAllowEventsHeader::CompactName

// From CSIPHeaderBase:

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

//

RStringF CSIPAllowEventsHeader::CompactName () const

	{

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

	}

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

// CSIPAllowEventsHeader::SetEventPackageL

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

//

EXPORT_C void 

CSIPAllowEventsHeader::SetEventPackageL (const TDesC8& aEventPackage)

	{

	HBufC8* tmp = aEventPackage.AllocLC();

	tmp->Des().Trim();

	if (!SIPSyntaxCheck::Token(*tmp) || (tmp->Find(KDot) != KErrNotFound))

		{

		User::Leave(KErrSipCodecAllowEventsHeader);

		}

	CleanupStack::Pop(tmp);

	delete iEventPackage;

	iEventPackage = tmp;

	}

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

// CSIPAllowEventsHeader::EventPackage

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

//

EXPORT_C const TDesC8& CSIPAllowEventsHeader::EventPackage() const

	{

	return *iEventPackage;

	}

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

// CSIPAllowEventsHeader::SetEventTemplatesL

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

//

EXPORT_C void CSIPAllowEventsHeader::SetEventTemplatesL(

    const MDesC8Array& aEventTemplates)

	{

	CDesC8ArraySeg* eventTemplates = new(ELeave) CDesC8ArraySeg(1);

	CleanupStack::PushL(eventTemplates);

	for (TInt i=0; i < aEventTemplates.MdcaCount(); i++)

		{

		CheckTemplateL(aEventTemplates.MdcaPoint(i));

		eventTemplates->AppendL(aEventTemplates.MdcaPoint(i));

		}

    CleanupStack::Pop(eventTemplates);

	delete iEventTemplates;

	iEventTemplates = eventTemplates;

	}

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

// CSIPAllowEventsHeader::EventTemplates

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

//

EXPORT_C const MDesC8Array& CSIPAllowEventsHeader::EventTemplates () const

	{

	return *iEventTemplates;

	}

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

// CSIPAllowEventsHeader::MoreThanOneAllowed

// From CSIPHeaderBase:

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

//

TBool CSIPAllowEventsHeader::MoreThanOneAllowed () const

	{

	return ETrue;

	}

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

// CSIPAllowEventsHeader::CheckTemplateL

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

//

void CSIPAllowEventsHeader::CheckTemplateL (const TDesC8& aParam) const

	{

	// event-template Param

	if (!SIPSyntaxCheck::Token(aParam) || 

        ((aParam).Find(KDot) != KErrNotFound))

		{

		User::Leave(KErrSipCodecAllowEventsHeader);

		}

	}

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

// CSIPAllowEventsHeader::ToTextValueL

// From CSIPHeaderBase:

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

//

EXPORT_C HBufC8* CSIPAllowEventsHeader::ToTextValueL () const

	{

	TUint encodedLength = 0;

	RPointerArray<HBufC8> templatesAsText;

	CleanupStack::PushL (TCleanupItem(ResetAndDestroy,&templatesAsText));

	encodedLength += iEventPackage->Length(); 

	for (TInt i=0; i < iEventTemplates->MdcaCount(); i++)

		{

		HBufC8* templateAsText = (iEventTemplates->MdcaPoint(i)).AllocLC();

		encodedLength += templateAsText->Length() + 1;// param separator length

		User::LeaveIfError (templatesAsText.Append(templateAsText));

		CleanupStack::Pop(templateAsText);

		}

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

	TPtr8 encodedHeaderPtr = encodedHeader->Des();

	encodedHeaderPtr.Append(*iEventPackage);

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

		{

		encodedHeaderPtr.Append('.'); // dot

		encodedHeaderPtr.Append (*templatesAsText[j]);

		}

	CleanupStack::PopAndDestroy(); // templatesAsText

	return encodedHeader;

	}

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

// CSIPAllowEventsHeader::InternalizeValueL

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

//

EXPORT_C CSIPHeaderBase* CSIPAllowEventsHeader::InternalizeValueL (

    RReadStream& aReadStream)

	{

	CSIPAllowEventsHeader* self = new(ELeave)CSIPAllowEventsHeader;

	CleanupStack::PushL(self);

	self->ConstructL();

	self->DoInternalizeValueL(aReadStream);

	CleanupStack::Pop(self);

	return self;

	}

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

// CSIPAllowEventsHeader::DoInternalizeValueL

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

//

void CSIPAllowEventsHeader::DoInternalizeValueL (RReadStream& aReadStream)

	{

    iEventPackage = SIPCodecUtils::ReadDescFromStreamL(aReadStream);

    TUint32 templateCount = aReadStream.ReadUint32L();

	for (TUint32 i=0; i < templateCount; i++)

		{

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

        CleanupStack::PushL(value);

		iEventTemplates->AppendL(*value);

		CleanupStack::PopAndDestroy(value);

		}

	}	

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

// CSIPAllowEventsHeader::ExternalizeValueL

// From CSIPHeaderBase:

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

//

void 

CSIPAllowEventsHeader::ExternalizeValueL (RWriteStream& aWriteStream) const

	{

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

	if (iEventPackage->Length() > 0)

		{

		aWriteStream.WriteL (this->EventPackage());

		}

	aWriteStream.WriteUint32L (iEventTemplates->MdcaCount());

	for (TInt i=0; i < iEventTemplates->MdcaCount(); i++)

		{

		aWriteStream.WriteUint32L (iEventTemplates->MdcaPoint(i).Length());

		aWriteStream.WriteL (iEventTemplates->MdcaPoint(i));

		}

	}

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

// CSIPAllowEventsHeader::PreferredPlaceInMessage

// From CSIPHeaderBase:

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

//

CSIPHeaderBase::TPreferredPlace

CSIPAllowEventsHeader::PreferredPlaceInMessage () const

	{

	return CSIPHeaderBase::EBottom;

	}

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

// CSIPAllowEventsHeader::BaseDecodeL

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

//

RPointerArray<CSIPHeaderBase> CSIPAllowEventsHeader::BaseDecodeL (

    const TDesC8& aValue)

	{

	__ASSERT_ALWAYS (aValue.Length() > 0, 

		User::Leave(KErrSipCodecAllowEventsHeader));

	RPointerArray<CSIPHeaderBase> headers;

    CSIPHeaderBase::PushLC(&headers);

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

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

		{

		CSIPAllowEventsHeader* allowEventsHeader = 

						new (ELeave) CSIPAllowEventsHeader;

        CleanupStack::PushL(allowEventsHeader);

        allowEventsHeader->ConstructL();

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

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

		CleanupStack::Pop(); // allowEventsHeader

		}

	CleanupStack::PopAndDestroy(tokenizer);

	CleanupStack::Pop(); // headers 

	return headers;

	}

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

// CSIPAllowEventsHeader::ParseL

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

//

void CSIPAllowEventsHeader::ParseL (const TDesC8& aValue)

	{

	__ASSERT_ALWAYS (aValue.Length() > 0, 

		User::Leave (KErrSipCodecAllowEventsHeader));

	HBufC8* tmp = aValue.AllocLC();

	tmp->Des().Trim();

	CSIPTokenizer* tokenizer = CSIPTokenizer::NewLC(*tmp, '.');

	TLex8 lex(tokenizer->Tokens()[0]);

	lex.SkipSpace();

	this->SetEventPackageL(lex.Remainder());

	for (TInt j=1; j < tokenizer->Tokens().Count(); j++)

		{

		CheckTemplateL((tokenizer->Tokens()[j]));

		iEventTemplates->AppendL((tokenizer->Tokens()[j]));

		}

	CleanupStack::PopAndDestroy(tokenizer);

	CleanupStack::PopAndDestroy(tmp);

	}

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

// CSIPAllowEventsHeader::ResetAndDestroy

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

//

void CSIPAllowEventsHeader::ResetAndDestroy (TAny* anArray)

	{

	(reinterpret_cast<RPointerArray<HBufC8>*> (anArray))->ResetAndDestroy();

	}