/*

* Copyright (c) 2002-2007 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:  

*

*/

// INCLUDE FILES

#include "cfoperationnode.h"

#include "cftrace.h"

#include <gmxmlnode.h>

#include <gmxmldomconstants.h>

// CONSTANTS

static const TInt KDomTreeLocationInfoSize = 64;

static const TInt KInfoPrintExtraLen = 4;

_LIT( KDebugLocationSeparator, "." );

_LIT( KDebugLocationNameStart, "[" );

_LIT( KDebugLocationNameEnd, "]" );

// ============================ MEMBER FUNCTIONS ===============================

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

// CCFOperationNode::CCFOperationNode

// C++ default constructor can NOT contain any code, that might leave.

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

//

EXPORT_C CCFOperationNode::CCFOperationNode( MCFOperationServices& aServices,

    CCFOperationNode* aParent )

    :   iServices( aServices ),

        iParent( aParent ),

        iValue( ECFConditionUndefined )

    {

    FUNC_LOG;

    }

// Destructor

EXPORT_C CCFOperationNode::~CCFOperationNode()

    {

    FUNC_LOG;

    delete iDomTreeLocationInfo;

    }

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

// CCFOperationNode::Value

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

//

EXPORT_C CCFOperationNode::TCFConditionValue CCFOperationNode::Value() const

    {

    FUNC_LOG;

    return iValue;

    }

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

// CCFOperationNode::InternalizeL

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

//

EXPORT_C void CCFOperationNode::InternalizeL( RReadStream& /*aStream*/ )

    {

    FUNC_LOG;

    }

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

// CCFOperationNode::ExternalizeL

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

//

EXPORT_C void CCFOperationNode::ExternalizeL( RWriteStream& /*aStream*/ )

    {

    FUNC_LOG;

    }

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

// CCFOperationNode::Cleanup

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

//

EXPORT_C void CCFOperationNode::Cleanup()

	{

	FUNC_LOG;

	}

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

// CCFOperationNode::GenerateDomTreeLocationInfoL

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

//

EXPORT_C void CCFOperationNode::GenerateDomTreeLocationInfoL(

    CMDXMLNode& aNode )

    {

    FUNC_LOG;

    iDomTreeLocationInfo = HBufC::NewL( KDomTreeLocationInfoSize );

    TPtr info( iDomTreeLocationInfo->Des() );

    CMDXMLNode* domNode = &aNode;

    while ( domNode && domNode->NodeName() != KXMLDocumentElementNodeName )

        {

        TPtrC nodeName( domNode->NodeName() );

        TInt sequenceNumber( 1 );

        TBuf< 16 > seqNumBuffer;

        CMDXMLNode* prevSibling = domNode->PreviousSibling();

        while ( prevSibling )

            {

            if ( prevSibling->NodeType() != CMDXMLNode::ECommentNode )

                {

                ++sequenceNumber;

                }

            prevSibling = prevSibling->PreviousSibling();

            }

        seqNumBuffer.AppendNum( sequenceNumber );

        TInt requiredLen = nodeName.Length() + seqNumBuffer.Length()

                + KInfoPrintExtraLen;

        TInt freeLen = info.MaxLength() - info.Length();

        if ( requiredLen > freeLen )

            {

            iDomTreeLocationInfo = iDomTreeLocationInfo->ReAllocL(

                    info.MaxLength() + KDomTreeLocationInfoSize );

            info.Set( iDomTreeLocationInfo->Des() );

            }

        if ( domNode != &aNode )

            {

            info.Insert( 0, KDebugLocationSeparator );

            }

        info.Insert( 0, KDebugLocationNameEnd );

        info.Insert( 0, nodeName );

        info.Insert( 0, KDebugLocationNameStart );

        info.Insert( 0, KDebugLocationSeparator );

        info.Insert( 0, seqNumBuffer );

        domNode = domNode->ParentNode();

        }

    }

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

// CCFOperationNode::Extension

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

//

EXPORT_C TAny* CCFOperationNode::Extension( const TUid& /*aUid*/ ) const

    {

    FUNC_LOG;

    return NULL;

    }