// Copyright (c) 2001-2009 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:

// MDXMLCharacterData.cpp

// @file

// This class represents a text section of an XML file -

// basically it is a chunk of text which has a place in the

// object tree but has no children.

// 

//

#include <gmxmldomconstants.h>

#include <gmxmlnode.h>

#include <gmxmlcharacterdata.h>

CMDXMLCharacterData::CMDXMLCharacterData( TDOMNodeType aNodeType, CMDXMLDocument* aOwnerDocument ):

CMDXMLNode( aNodeType, false, aOwnerDocument)

//

// Constructor

// @param aNodeType The node type of the derived object

// @param aOwnerDocument The Document at the root of the DOM tree.

//

	{

	}

EXPORT_C CMDXMLCharacterData::~CMDXMLCharacterData()

	{

	delete iData;

	}

EXPORT_C TDesC& CMDXMLCharacterData::Data()

//

// @return Returns the text of the Character Data section

//

	{

	return *iData;

	}

EXPORT_C void CMDXMLCharacterData::SetDataL( TDesC& aData )

// 

// Sets the whole of the Character Data section text

// @param aData Text to set.

// @leave Can Leave due to OOM

//

	{

	if( iData != NULL )

		{

		delete iData;

		iData = NULL;

		}

	iData = aData.AllocL();

	}

EXPORT_C TInt CMDXMLCharacterData::Length()

//

// @return Returns the length of the text

//

	{

	return iData->Length();;

	}

EXPORT_C void CMDXMLCharacterData::AppendL( TDesC& aData )

//

// Appends text to the Character Data section

// @param aData Text to append

// @leave Can Leave due to OOM

//

	{

	TInt newLength = aData.Length() + iData->Length();

	if(newLength > iData->Des().MaxLength())

		{

		HBufC* newData = HBufC::NewMaxL(newLength);

		newData->Des().Copy(iData->Des());

		delete iData;

		iData = newData;

		}

	iData->Des().Append(aData);

	}

EXPORT_C TInt CMDXMLCharacterData::InsertL( TInt aInsertPos, TDesC& aData )

//

// Inserts text at a point in the Character Data section

// @param aInsertPos The position to insert the text (0 means insert at the start)

// @param aData Text to insert

// @leave Can Leave due to OOM

// @return Returns KErrNone if successful or KErrNotFound if the insert position is out of range

//

	{

	TInt retVal = KErrNone;

	if((aInsertPos >= 0) && (aInsertPos < iData->Length()))

		{

		TInt newLength = aData.Length() + iData->Length();

		if(newLength > iData->Des().MaxLength())

			{

			HBufC* newData = HBufC::NewMaxL(newLength);

			newData->Des().Copy(iData->Des());

			delete iData;

			iData = newData;

			}

		iData->Des().Insert(aInsertPos, aData);

		}

	else

		{

		retVal = KErrNotFound;

		}

	return retVal;

	}

EXPORT_C TInt CMDXMLCharacterData::ReplaceL( TInt aInsertPos, TInt aLength, TDesC& aData )

//

// Replaces a block of text in the Character Data section

// @param aInsertPos The position to insert the text (0 means insert at the start)

// @param aLength The number of characters to replace

// @param aData Text to insert

// @leave Can Leave due to OOM

// @return Returns KErrNone if successful or KErrNotFound if the replace block is out of range

//

	{

	TInt retVal = KErrNone;

	if((aInsertPos >= 0) && (aInsertPos < iData->Length()) && (aLength >= 0))

		{

		TInt newLength = aData.Length() + iData->Length() - aLength;

		if(newLength > iData->Des().MaxLength())

			{

			HBufC* newData = HBufC::NewMaxL(newLength);

			newData->Des().Copy(iData->Des());

			delete iData;

			iData = newData;

			}

		iData->Des().Replace(aInsertPos, aLength, aData);

		}

	else

		{

		retVal = KErrNotFound;

		}

	return retVal;

	}

EXPORT_C TBool CMDXMLCharacterData::CheckChildren()

//

// Check the children of this node for legality - must be defined based on DTD.

// For a Character Data section there can be no children so this always returns true.

// @return True if the node has legitimate children

//

	{

	return true;

	}

// End Of File