// Copyright (c) 2008-2009 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:

//

#include "parsehandlerbase.h"

CParseHandlerBase::~CParseHandlerBase()

	{

	delete iChildParser;

	iString.Close();

	}

void CParseHandlerBase::StartChildParserL(CParseHandlerBase* aChildParser, const RTagInfo& aElement, const RAttributeArray& aAttributes)

	{

	if(iChildParser)

		{

		User::Leave(KErrCorrupt);

		}

	else

		{

		delete iChildParser;

		iChildParser = aChildParser;

		iChildParser->ParseStartElementL(aElement, aAttributes);		

		}

	}

void CParseHandlerBase::OnContentL(const TDesC8& aBytes, TInt aErrorCode)

	{

	if(iChildParser)

		{

		iChildParser->OnContentL(aBytes, aErrorCode);

		}

	else

		{

		User::LeaveIfError(aErrorCode);

		ParseContentL(aBytes);

		}

	}

void CParseHandlerBase::OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode)

	{

	if(iChildParser)

		{

		// If the child handler is present get it to parse the tags

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

		}

	else

		{

		User::LeaveIfError(aErrorCode);

		ParseStartElementL(aElement, aAttributes);	

		}

	}

void CParseHandlerBase::OnEndElementL(const RTagInfo& aElement, TInt aErrorCode)

	{

	if(iChildParser)

		{

		iChildParser->OnEndElementL(aElement, aErrorCode);

		if(!iChildParser->SiblingCount())

			{

			// finished with child parser handler

			delete iChildParser;

			iChildParser = NULL;

			}

		}	

	else

		{

		// Overriden by derived classes to implement specific behavior for an end tag

		User::LeaveIfError(aErrorCode);

		ParseEndElementL(aElement);

		}

	}

void CParseHandlerBase::OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode)

	{

	User::LeaveIfError(aErrorCode);

	if(iChildParser)

		{

		iChildParser->OnStartPrefixMappingL( aPrefix , aUri, aErrorCode );

		}

	else

		ParsePrefixL( aPrefix , aUri );

	}

TBool CParseHandlerBase::IsBlankSpace(const TDesC8& aBytes)

	{

	RBuf8 trimBuf;

	TBool retValue = EFalse;

	trimBuf.Create(aBytes);

	trimBuf.Trim();

	if(!trimBuf.Length())

		retValue = ETrue;

	trimBuf.Close();

	return retValue;

	}