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/*
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* Copyright (c) 2005,2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Primary datatype for the entire Document Object Model.
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*
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*/
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// INCLUDE FILES
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#include "xndomnode.h"
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#include "xndomattribute.h"
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#include "xndomproperty.h"
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#include "xndomlist.h"
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#include "xndomstringpool.h"
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// LOCAL CONSTANTS AND MACROS
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const TInt KNotDefined = -1;
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const TInt KPropertyListGranularity = 8;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CXnDomNode::CXnDomNode
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CXnDomNode::CXnDomNode(CXnDomStringPool* aStringPool) :
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iNameRef( KNotDefined ),
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iNSRef( KNotDefined ),
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iStringPool( aStringPool ),
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iNodeId( KNotDefined )
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{
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CXnDomNode::ConstructL(const TDesC8& aName, const TDesC8& aNS)
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{
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iNameRef = iStringPool->AddStringL(aName);
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iNSRef = iStringPool->AddStringL(aNS);
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iChildList = CXnDomList::NewL(CXnDomList::ENodeList, iStringPool);
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iAttributeList
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= CXnDomList::NewL(CXnDomList::EAttributeList, iStringPool);
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iPropertyList = CXnDomList::NewL(CXnDomList::EPropertyList, iStringPool,
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KPropertyListGranularity);
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CXnDomNode* CXnDomNode::NewL(const TDesC8& aName, const TDesC8& aNS,
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CXnDomStringPool* aStringPool)
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{
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CXnDomNode* self = new (ELeave) CXnDomNode(aStringPool);
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CleanupStack::PushL(self);
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self->ConstructL(aName, aNS);
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CleanupStack::Pop(self);
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return self;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::NewL
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// Two-phased stream constructor.
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// -----------------------------------------------------------------------------
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//
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CXnDomNode* CXnDomNode::NewL(RReadStream& aStream,
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CXnDomStringPool* aStringPool)
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{
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CXnDomNode* self = new (ELeave) CXnDomNode(aStringPool);
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CleanupStack::PushL(self);
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aStream >> *self;
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CleanupStack::Pop(self);
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return self;
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}
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// Destructor
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CXnDomNode::~CXnDomNode()
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{
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delete iChildList;
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delete iAttributeList;
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delete iPropertyList;
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delete iPCData;
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}
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// ---------------------------------------------------------------------
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// CXnDomNode::CloneL
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// Clones this node and it's child nodes. This is a recursive function.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomNode* CXnDomNode::CloneL(CXnDomStringPool& aStringPool)
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{
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const TDesC8& name = iStringPool->String(iNameRef);
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const TDesC8& ns = iStringPool->String(iNSRef);
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CXnDomNode* clone = CXnDomNode::NewL(name, ns, &aStringPool);
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CleanupStack::PushL(clone);
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if (iPCData)
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{
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clone->AppendPCDataL(*iPCData);
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}
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clone->iNodeId = iNodeId;
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TInt childCount(iChildList->Length());
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for (TInt i = 0; i < childCount; i++)
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{
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CXnDomNode* childClone =
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static_cast<CXnDomNode*> (iChildList->Item(i))->CloneL(
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aStringPool);
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CleanupStack::PushL(childClone);
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childClone->iParentNode = clone;
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clone->iChildList->AddItemL(childClone);
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CleanupStack::Pop(childClone);
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}
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TInt attrCount(iAttributeList->Length());
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for (TInt j = 0; j < attrCount; j++)
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{
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CXnDomAttribute
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* attrClone =
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static_cast<CXnDomAttribute*> (iAttributeList->Item(j))->CloneL(
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aStringPool);
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CleanupStack::PushL(attrClone);
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clone->iAttributeList->AddItemL(attrClone);
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CleanupStack::Pop(attrClone);
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}
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TInt propertyCount(iPropertyList->Length());
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for (TInt k = 0; k < propertyCount; k++)
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{
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CXnDomProperty
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* propClone =
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static_cast<CXnDomProperty*> (iPropertyList->Item(k))->CloneL(
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aStringPool);
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CleanupStack::PushL(propClone);
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clone->iPropertyList->AddItemL(propClone);
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CleanupStack::Pop(propClone);
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}
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CleanupStack::Pop(clone);
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return clone;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::Name
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const TDesC8& CXnDomNode::Name()
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{
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if( iNameRef == KNotDefined )
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{
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return KNullDesC8();
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}
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else
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{
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return iStringPool->String( iNameRef );
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}
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::Namespace
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const TDesC8& CXnDomNode::Namespace()
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{
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if( iNSRef == KNotDefined )
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{
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return KNullDesC8();
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}
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else
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{
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return iStringPool->String( iNSRef );
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}
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::AttributeList
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomList& CXnDomNode::AttributeList() const
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{
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return *iAttributeList;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::PropertyList
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomList& CXnDomNode::PropertyList()
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{
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return *iPropertyList;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::SetParent
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::SetParent(CXnDomNode* aParent)
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{
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iParentNode = aParent;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::Parent
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomNode* CXnDomNode::Parent() const
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{
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return iParentNode;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::AddChildL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::AddChildL(CXnDomNode* aNode)
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{
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aNode->SetParent(this);
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iChildList->AddItemL(aNode);
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::AddChildL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::AddChildL(CXnDomNode* aNode, TInt aIndex)
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{
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aNode->SetParent(this);
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iChildList->AddItemL(aNode, aIndex);
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::DeleteChild
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::DeleteChild(CXnDomNode* aNode)
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{
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iChildList->DeleteItem(aNode);
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::ReplaceChildL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::ReplaceChildL(CXnDomNode* aNode,
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CXnDomNode* aNewNode)
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{
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CXnDomNode* swapChild = NULL;
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CXnDomList& childList = aNode->ChildNodes();
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TInt childCount(childList.Length());
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for (TInt i = 0; i < childCount; i++)
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{
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swapChild = static_cast<CXnDomNode*> (childList.Item(i));
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aNewNode->AddChildL(swapChild); //Let the new node adopt the child
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childList.RemoveItem(swapChild); //Remove it from the orginal parent
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}
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iChildList->DeleteItem(aNode); // Delete the old child
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aNewNode->SetParent(this); //Set new child
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iChildList->AddItemL(aNewNode);
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::ChildNodes
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomList& CXnDomNode::ChildNodes()
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{
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return *iChildList;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::SetNodeId
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::SetNodeId(const TInt aNodeId)
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{
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iNodeId = aNodeId;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::NodeId
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt CXnDomNode::NodeId() const
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{
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return iNodeId;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::ItemIndex
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt CXnDomNode::ItemIndex(const MXnDomListItem& aItem) const
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{
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return iChildList->ItemIndex(aItem);
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::AppendPCDataL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::AppendPCDataL(const TDesC8& aPCData)
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{
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if (iPCData)
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{
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iPCData = iPCData->ReAllocL(iPCData->Length() + aPCData.Length());
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iPCData->Des().Append(aPCData);
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}
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else
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{
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iPCData = aPCData.AllocL();
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}
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::PCData
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const TDesC8& CXnDomNode::PCData()
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{
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if (iPCData)
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{
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return *iPCData;
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}
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return KNullDesC8;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::SetPCDataL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::SetPCDataL(const TDesC8& aPCData)
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{
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if (iPCData)
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{
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delete iPCData;
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iPCData = NULL;
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}
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iPCData = aPCData.AllocL();
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::ContentType
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const TContentType& CXnDomNode::ContentType()
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{
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return iContentType;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::SetContentType
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomNode::SetContentType(const TContentType& aContentType)
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{
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iContentType = aContentType;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::StringPool
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomStringPool* CXnDomNode::StringPool() const
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{
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return iStringPool;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::Size
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// -----------------------------------------------------------------------------
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//
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TInt CXnDomNode::Size() const
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{
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TInt size(0);
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size += sizeof(TInt16); //iNameRef
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size += sizeof(TInt16); //iNSRef
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size += sizeof(TBool); //iRefNode
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if (iPCData)
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{
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size += sizeof(TInt8);
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size += sizeof(TInt16);
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size += iPCData->Size();
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size++;
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}
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else
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{
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size += sizeof(TInt8);
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}
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size += sizeof(TInt32); //For nodeId
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size += iAttributeList->Size();
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size += iPropertyList->Size();
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size += iChildList->Size();
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return size;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::ExternalizeL
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// NOTE: This function is not implemented yet!
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// -----------------------------------------------------------------------------
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//
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void CXnDomNode::ExternalizeL(RWriteStream& aStream) const
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{
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aStream.WriteInt16L(iNameRef);
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aStream.WriteInt16L(iNSRef);
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aStream.WriteInt8L( 0 ); // ref node legacy.
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if (iPCData)
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{
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aStream.WriteInt8L(ETrue);
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aStream.WriteInt16L(iPCData->Length());
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aStream << *iPCData;
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}
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else
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{
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aStream.WriteInt8L(EFalse);
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}
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aStream.WriteInt32L(iNodeId);
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aStream << *iChildList;
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aStream << *iAttributeList;
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aStream << *iPropertyList;
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}
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// -----------------------------------------------------------------------------
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// CXnDomNode::InternalizeL
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// -----------------------------------------------------------------------------
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//
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void CXnDomNode::InternalizeL( RReadStream& aStream )
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{
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iNameRef = aStream.ReadInt16L();
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iNSRef = KNotDefined; // This is set later by call to setnamespace,
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aStream.ReadInt16L(); // so only consume legacy data from stream.
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|
455 |
aStream.ReadInt8L(); // Consume legacy ref node parameter.
|
|
456 |
|
|
457 |
TInt len(0);
|
|
458 |
TBool exist(aStream.ReadInt8L());
|
|
459 |
if (exist)
|
|
460 |
{
|
|
461 |
len = aStream.ReadInt16L();
|
|
462 |
delete iPCData;
|
|
463 |
iPCData = NULL;
|
|
464 |
iPCData = HBufC8::NewL(aStream, len);
|
|
465 |
}
|
|
466 |
|
|
467 |
iNodeId = aStream.ReadInt32L();
|
|
468 |
|
|
469 |
iChildList = CXnDomList::NewL(aStream, iStringPool);
|
|
470 |
TInt count(iChildList->Length());
|
|
471 |
for (TInt i = 0; i < count; i++)
|
|
472 |
{
|
|
473 |
CXnDomNode* node = static_cast<CXnDomNode*> (iChildList->Item(i));
|
|
474 |
if (node)
|
|
475 |
{
|
|
476 |
node->SetParent(this);
|
|
477 |
}
|
|
478 |
else
|
|
479 |
{
|
|
480 |
User::Leave(KErrArgument);
|
|
481 |
}
|
|
482 |
}
|
|
483 |
|
|
484 |
iAttributeList = CXnDomList::NewL(aStream, iStringPool);
|
|
485 |
iPropertyList = CXnDomList::NewL(aStream, iStringPool);
|
|
486 |
}
|
|
487 |
|
|
488 |
// -----------------------------------------------------------------------------
|
|
489 |
// CXnDomNode::DescendantCount
|
|
490 |
// Recursive counting function
|
|
491 |
// -----------------------------------------------------------------------------
|
|
492 |
//
|
|
493 |
EXPORT_C TInt CXnDomNode::DescendantCount() const
|
|
494 |
{
|
|
495 |
TInt count(1); //Node itself
|
|
496 |
|
|
497 |
TInt length(iChildList->Length());
|
|
498 |
for (TInt i = 0; i < length; i++)
|
|
499 |
{
|
|
500 |
count
|
|
501 |
+= static_cast<CXnDomNode*> (iChildList->Item(i))->DescendantCount();
|
|
502 |
}
|
|
503 |
|
|
504 |
return count;
|
|
505 |
}
|
|
506 |
|
|
507 |
// -----------------------------------------------------------------------------
|
|
508 |
// CXnDomNode::DeleteAttributeList
|
|
509 |
// Deletes the attribute list
|
|
510 |
// -----------------------------------------------------------------------------
|
|
511 |
//
|
|
512 |
EXPORT_C void CXnDomNode::DeleteAttributeList()
|
|
513 |
{
|
|
514 |
delete iAttributeList;
|
|
515 |
iAttributeList = NULL;
|
|
516 |
|
|
517 |
}
|
|
518 |
|
|
519 |
// -----------------------------------------------------------------------------
|
|
520 |
// CXnDomNode::AttributeValue
|
|
521 |
// Returns value of "name" attribute
|
|
522 |
// -----------------------------------------------------------------------------
|
|
523 |
//
|
|
524 |
EXPORT_C const TDesC8& CXnDomNode::AttributeValue(const TDesC8& aAttribute) const
|
|
525 |
{
|
|
526 |
CXnDomAttribute* attribute =
|
|
527 |
static_cast<CXnDomAttribute*> (iAttributeList->FindByName(
|
|
528 |
aAttribute));
|
|
529 |
if (attribute)
|
|
530 |
{
|
|
531 |
return attribute->Value();
|
|
532 |
}
|
|
533 |
else
|
|
534 |
{
|
|
535 |
return KNullDesC8;
|
|
536 |
}
|
|
537 |
}
|
|
538 |
|
|
539 |
// -----------------------------------------------------------------------------
|
|
540 |
// CXnDomNode::SetLayoutNode
|
|
541 |
// Sets pointer to associated layout node
|
|
542 |
// -----------------------------------------------------------------------------
|
|
543 |
//
|
|
544 |
EXPORT_C void CXnDomNode::SetLayoutNode(CXnNode* aNode)
|
|
545 |
{
|
|
546 |
iLayoutNode = aNode;
|
|
547 |
}
|
|
548 |
|
|
549 |
// -----------------------------------------------------------------------------
|
|
550 |
// CXnDomNode::LayoutNode
|
|
551 |
// Gets pointer to associated layout node
|
|
552 |
// -----------------------------------------------------------------------------
|
|
553 |
//
|
|
554 |
EXPORT_C CXnNode* CXnDomNode::LayoutNode()
|
|
555 |
{
|
|
556 |
return iLayoutNode;
|
|
557 |
}
|
|
558 |
|
|
559 |
// -----------------------------------------------------------------------------
|
|
560 |
// CXnDomNode::SetNamespaceL
|
|
561 |
// -----------------------------------------------------------------------------
|
|
562 |
//
|
|
563 |
EXPORT_C void CXnDomNode::SetNamespaceL(const TDesC8& aNS)
|
|
564 |
{
|
|
565 |
iNSRef = iStringPool->AddStringL(aNS);
|
|
566 |
}
|
|
567 |
|
|
568 |
// -----------------------------------------------------------------------------
|
|
569 |
// CXnDomNode::SetOwnershipL
|
|
570 |
// Clones this node and it's child nodes and sets new namespace. This is a
|
|
571 |
// recursive function.
|
|
572 |
// -----------------------------------------------------------------------------
|
|
573 |
//
|
|
574 |
EXPORT_C void CXnDomNode::SetOwnershipL(const TDesC8& aNS)
|
|
575 |
{
|
|
576 |
TInt childCount(iChildList->Length());
|
|
577 |
|
|
578 |
SetNamespaceL(aNS);
|
|
579 |
for (TInt i = 0; i < childCount; i++)
|
|
580 |
{
|
|
581 |
CXnDomNode* child = static_cast<CXnDomNode*> (iChildList->Item(i));
|
|
582 |
child->SetOwnershipL(aNS);
|
|
583 |
}
|
|
584 |
}
|
|
585 |
|
|
586 |
// -----------------------------------------------------------------------------
|
|
587 |
// CXnDomNode::SwapStringPoolL
|
|
588 |
// -----------------------------------------------------------------------------
|
|
589 |
//
|
|
590 |
EXPORT_C void CXnDomNode::SwapStringPoolL( CXnDomStringPool* aStringPool )
|
|
591 |
{
|
|
592 |
if( !aStringPool )
|
|
593 |
{
|
|
594 |
User::Leave( KErrArgument );
|
|
595 |
}
|
|
596 |
|
|
597 |
if( iNameRef != KNotDefined )
|
|
598 |
{
|
|
599 |
iNameRef = aStringPool->AddStringL( iStringPool->String( iNameRef ) );
|
|
600 |
}
|
|
601 |
|
|
602 |
if( iNSRef != KNotDefined )
|
|
603 |
{
|
|
604 |
iNSRef = aStringPool->AddStringL( iStringPool->String( iNSRef ) );
|
|
605 |
}
|
|
606 |
|
|
607 |
iChildList->SwapStringPoolL( aStringPool );
|
|
608 |
TInt count = iChildList->Length();
|
|
609 |
for( TInt i = 0; i < count; i++ )
|
|
610 |
{
|
|
611 |
CXnDomNode* obj =
|
|
612 |
static_cast<CXnDomNode*> ( iChildList->Item( i ) );
|
|
613 |
obj->SwapStringPoolL( aStringPool );
|
|
614 |
}
|
|
615 |
|
|
616 |
iAttributeList->SwapStringPoolL( aStringPool );
|
|
617 |
count = iAttributeList->Length();
|
|
618 |
for( TInt i = 0; i < count; i++ )
|
|
619 |
{
|
|
620 |
CXnDomAttribute* obj =
|
|
621 |
static_cast<CXnDomAttribute*> ( iAttributeList->Item( i ) );
|
|
622 |
obj->SwapStringPoolL( aStringPool );
|
|
623 |
}
|
|
624 |
|
|
625 |
count = iPropertyList->Length();
|
|
626 |
iPropertyList->SwapStringPoolL( aStringPool );
|
|
627 |
for( TInt i = 0; i < count; i++ )
|
|
628 |
{
|
|
629 |
CXnDomProperty* obj =
|
|
630 |
static_cast<CXnDomProperty*> ( iPropertyList->Item( i ) );
|
|
631 |
obj->SwapStringPoolL( aStringPool );
|
|
632 |
}
|
|
633 |
|
|
634 |
iStringPool = aStringPool;
|
|
635 |
}
|
|
636 |
|
|
637 |
// End of File
|