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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: Represents the entire xmluiml specific xml and css data.
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*
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*/
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// INCLUDE FILES
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#include "xndomdocument.h"
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#include "xndomnode.h"
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#include "xndomlist.h"
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#include "xndomstringpool.h"
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#include <s32mem.h>
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CXnDomDocument::CloneL()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomDocument* CXnDomDocument::CloneL()
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{
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CXnDomDocument* clone = new (ELeave) CXnDomDocument;
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CleanupStack::PushL( clone );
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clone->iDomStringPool = iDomStringPool->CloneL();
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if ( iRootNode )
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{
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clone->iRootNode = iRootNode->CloneL( *clone->iDomStringPool );
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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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// CXnDomDocument::CreateElementNSL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomNode* CXnDomDocument::CreateElementNSL(
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const TDesC8& aName,
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const TDesC8& aNamespace )
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{
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return CXnDomNode::NewL( aName, aNamespace, iDomStringPool );
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::CXnDomDocument
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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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CXnDomDocument::CXnDomDocument()
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{
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CXnDomDocument::ConstructL()
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{
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iDomStringPool = CXnDomStringPool::NewL();
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// Add KNullDesC8 to string pool index 0 for safety reasons.
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// Some components use 0 as initial value for their string references.
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iDomStringPool->AddStringL( KNullDesC8 );
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomDocument* CXnDomDocument::NewL()
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{
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CXnDomDocument* self = new( ELeave ) CXnDomDocument;
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CleanupStack::PushL( self );
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self->ConstructL();
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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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// CXnDomDocument::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomDocument* CXnDomDocument::NewL(
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RReadStream& aStream )
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{
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CXnDomDocument* self = new( ELeave ) CXnDomDocument;
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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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// -----------------------------------------------------------------------------
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// CXnDomDocument::NewL
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// Constructs CXnDomDocument from streamed HBufC8.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomDocument* CXnDomDocument::NewL(
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const HBufC8* aBufStream )
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{
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RDesReadStream readStream( *aBufStream );
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CleanupClosePushL( readStream );
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CXnDomDocument* self = CXnDomDocument::NewL( readStream );
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CleanupStack::PopAndDestroy( &readStream );
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return self;
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}
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// Destructor
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EXPORT_C CXnDomDocument::~CXnDomDocument()
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{
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if ( iRootNode )
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{
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delete iRootNode;
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}
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if ( iDomStringPool )
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{
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delete iDomStringPool;
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}
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::DomNodeCount
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt CXnDomDocument::DomNodeCount() const
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{
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TInt count( 0 );
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if ( iRootNode )
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{
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count = iRootNode->DescendantCount();
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}
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return count;
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::ExternalizeL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomDocument::ExternalizeL( RWriteStream& aStream ) const
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{
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aStream << *iDomStringPool;
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if ( iRootNode )
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{
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aStream.WriteInt8L( ETrue ); //Root node exist
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aStream << *iRootNode;
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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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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::InternalizeL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomDocument::InternalizeL( RReadStream& aStream )
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{
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if(iDomStringPool)
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{
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delete iDomStringPool;
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iDomStringPool = NULL;
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}
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iDomStringPool = CXnDomStringPool::NewL( aStream );
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if ( iRootNode )
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{
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delete iRootNode;
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iRootNode = NULL;
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}
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TBool rootNodeExist( aStream.ReadInt8L() );
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if ( rootNodeExist )
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{
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iRootNode = CXnDomNode::NewL( aStream, iDomStringPool );
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}
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::SetRootNode
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CXnDomDocument::SetRootNode( CXnDomNode* aRootNode )
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{
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iRootNode = aRootNode;
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iRootNode->SetParent( NULL );
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::RootNode
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomNode* CXnDomDocument::RootNode() const
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{
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return iRootNode;
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::LastNode
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomNode* CXnDomDocument::LastNode() const
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{
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CXnDomNode* last = NULL;
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if ( iRootNode )
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{
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last = iRootNode;
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CXnDomNode* tmp = iRootNode;
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while( tmp )
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{
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last = tmp;
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tmp = static_cast<CXnDomNode*>( last->ChildNodes().Last() );
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}
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}
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return last;
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::Size
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt CXnDomDocument::Size() const
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{
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TInt size( 1 ); //Root node information takes one byte
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size += iDomStringPool->Size();
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if ( iRootNode )
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{
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size += iRootNode->Size();
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}
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return size;
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::MarshallL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C HBufC8* CXnDomDocument::MarshallL()
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{
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TInt dataLength = Size();
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HBufC8* writeBuf = HBufC8::NewLC( dataLength );
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TPtr8 p( writeBuf->Des() );
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RDesWriteStream writeStream( p ); //stream over the buffer
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CleanupClosePushL( writeStream );
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writeStream << *this; //Stream object
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CleanupStack::PopAndDestroy( &writeStream );
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CleanupStack::Pop( writeBuf );
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return writeBuf;
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::StringPool
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomStringPool* CXnDomDocument::StringPool() const
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{
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return iDomStringPool;
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}
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// -----------------------------------------------------------------------------
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// CXnDomDocument::ReadL
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// Read contents from a stream.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnDomNode* CXnDomDocument::ReadL(
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RReadStream& aStream )
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{
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CXnDomStringPool* localStringPool = CXnDomStringPool::NewL( ETrue );
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CleanupStack::PushL( localStringPool );
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aStream >> *localStringPool;
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iDomStringPool->AddAllL( *localStringPool );
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CXnDomNode* rootNode = NULL;
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TBool rootNodeExist( aStream.ReadInt8L() );
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if ( rootNodeExist )
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{
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rootNode = CXnDomNode::NewL( aStream, localStringPool );
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CleanupStack::PushL( rootNode );
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rootNode->SwapStringPoolL( iDomStringPool );
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CleanupStack::Pop( rootNode );
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}
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CleanupStack::PopAndDestroy( localStringPool );
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return rootNode;
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}
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// End of File
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