/*

* Copyright (c) 2006 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:   CNcdEntityRefParser implementation

*

*/

#include "ncd_parser_pp_entitydependency.h"

#include "ncd_parser_pp_download.h"

#include "ncd_pp_entitydependency.h"

#include "ncd_pp_entitydependencyimpl.h"

#include "ncdparserobserverbundleimpl.h"

#include "ncdunknownparser.h"

#include "ncdprotocolwords.h"

#include "ncdprotocolutils.h"

#include "ncdprotocoltypes.h"

#include "catalogsdebug.h"

CNcdPreminetProtocolEntityDependencyParser* 

CNcdPreminetProtocolEntityDependencyParser::NewL( 

    MNcdParserObserverBundle& aObservers,

    MNcdSubParserObserver& aSubParserObserver,

    TInt aDepth,

    const Xml::RTagInfo& aElement,

    const Xml::RAttributeArray& aAttributes,

    const TDesC& aNamespace )

    {

    CNcdPreminetProtocolEntityDependencyParser* self 

        = new(ELeave) CNcdPreminetProtocolEntityDependencyParser( 

            aObservers, aSubParserObserver, aDepth );

    CleanupStack::PushL( self );

    self->ConstructL( aElement, aAttributes, aNamespace );

    CleanupStack::Pop( self );

    return self;

    }

CNcdPreminetProtocolEntityDependencyParser::CNcdPreminetProtocolEntityDependencyParser( 

    MNcdParserObserverBundle& aObservers,

    MNcdSubParserObserver& aSubParserObserver,

    TInt aDepth )

    : CNcdSubParser( aObservers, aSubParserObserver, aDepth )

    {

    }

CNcdPreminetProtocolEntityDependencyParser::~CNcdPreminetProtocolEntityDependencyParser()

    {

    delete iDependency;

    }

void CNcdPreminetProtocolEntityDependencyParser::ConstructL( 

    const Xml::RTagInfo& aElement,

    const Xml::RAttributeArray& aAttributes,

    const TDesC& /*aNamespace*/ )

    {

    CNcdSubParser::ConstructL( aElement );

    DLTRACEIN(("depth=%d tag=%S",iDepth,iTag));

    if (!iDependency)

        {

        iDependency = CNcdPreminetProtocolEntityDependencyImpl::NewL();

        }

    // read attributes here

    TPtrC8 name = AttributeValue( KAttrName, aAttributes );

    TPtrC8 contentId = AttributeValue( KAttrContentId, aAttributes );

    TPtrC8 contentVersion = AttributeValue( KAttrContentVersion, aAttributes );

    NcdProtocolUtils::AssignDesL(iDependency->iName, name);

    NcdProtocolUtils::AssignDesL(iDependency->iContentId, contentId);

    NcdProtocolUtils::AssignDesL(iDependency->iContentVersion, contentVersion);

    // attribute set only in subscribableContent

    TPtrC8 type = AttributeValue( KAttrType, aAttributes );

    if ( type == KValueDependency ) 

        iDependency->iType =  EDependency;

    else if ( type == KValueUpgrade) 

        iDependency->iType =  EUpgradeDependency;

    }

void CNcdPreminetProtocolEntityDependencyParser::OnStartElementL( 

    const Xml::RTagInfo& aElement, 

    const Xml::RAttributeArray& aAttributes, 

    TInt aErrorCode) 

    {

    CNcdSubParser::OnStartElementL(aElement, aAttributes, aErrorCode);

    TPtrC8 tag( aElement.LocalName().DesC() );

    if( iSubParser == 0 )

        {

        DLTRACEIN(("dataEntity start tag=%S error=%d depth=%d",

            &aElement.LocalName().DesC(),aErrorCode,iDepth));

        if( tag == KTagEntity )

            {

            TPtrC8 id = AttributeValue( KAttrId, aAttributes );

            TPtrC8 timestamp = AttributeValue( KAttrTimestamp, aAttributes );

            NcdProtocolUtils::AssignDesL(iDependency->iEntityId, id);

            NcdProtocolUtils::AssignDesL(iDependency->iEntityTimestamp, timestamp);

            }

        else if( tag == KTagDownloadDetails )

            {

            // basic download parser used for now, 

            // this doesn't support rights object

            iSubParser = CNcdPreminetProtocolDownloadParser::NewL(

                *iObservers, *this, iDepth+1, aElement, aAttributes, KNullDesC );

            }

        else

            {

            iSubParser = CNcdUnknownParser::NewL( 

                *iObservers, *this, iDepth+1, aElement, aAttributes );

            }

        }

    else

        {

        iSubParser->OnStartElementL( aElement, aAttributes, aErrorCode );

        }

    }

void CNcdPreminetProtocolEntityDependencyParser::OnEndElementL(

    const Xml::RTagInfo& aElement, TInt aErrorCode) 

    {

    TPtrC8 tag( aElement.LocalName().DesC() );

    DLTRACEIN(("%X end iTag=%S tag=%S", this, iTag, &tag));

    if ( iSubParser == 0 && iTag && *iTag == aElement.LocalName().DesC() )

        {

        // entityDependency end

        DLTRACE(("end tag=%S",&aElement.LocalName().DesC()));

        iSubParserObserver->SubParserFinishedL( 

            aElement.LocalName().DesC(), aErrorCode );

        }

    else if( iSubParser )

        {

        iSubParser->OnEndElementL( aElement, aErrorCode );

        }

    else

        {

        DLWARNING(("end tag ignored, tag=%S",&aElement.LocalName().DesC()));

        }

    }

void CNcdPreminetProtocolEntityDependencyParser::SubParserFinishedL( 

    const TDesC8& aTag, TInt /*aErrorCode*/ )

    {

    DLTRACEIN(("tag=%S subparser=%X",&aTag,iSubParser));

    (void) aTag; // suppresses compiler warning

    if( iDependency && iSubParser->Tag() == KTagDownloadDetails )

        {

        MNcdPreminetProtocolDownload* download =

            static_cast<CNcdPreminetProtocolDownloadParser*>

            ( iSubParser )->Download();

        DLINFO(("subparser download=%X",download));

        if( download )

            {

            iDependency->iDownloadDetails = download;

            }

        }

    else

        {

        DLWARNING(("Child entity %S ignored", &aTag));

        }

    delete iSubParser;

    iSubParser = 0;

    }

MNcdPreminetProtocolEntityDependency* 

CNcdPreminetProtocolEntityDependencyParser::Dependency()

    {

    DLTRACEIN(("%X",iDependency));

    MNcdPreminetProtocolEntityDependency* dep = iDependency;

    iDependency = 0;

    return dep;

    }