// 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:

//

#ifndef __PARSEHANDLERBASE_H__

#define __PARSEHANDLERBASE_H__

#include <xml/contenthandler.h>

#include <xml/contentsource.h>

#include <xml/parserfeature.h>

#include <e32base.h>

using namespace Xml;

/** Provides an MContentHandler inteface that has a virtual destructor and implements

default behavior for parsers which can be overriden by derived parsers as required

*/

class CParseHandlerBase : public CBase, public MContentHandler

	{

public:

	virtual ~CParseHandlerBase();

	// Overridden as required by derived classes

	inline virtual void ParseStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes);

	inline virtual void ParseEndElementL(const RTagInfo& aElement);

	inline virtual void ParseContentL(const TDesC8& aBytes);

	inline virtual void ParsePrefixL(const RString& aPrefix, const RString& aUri);

	// From MContentHandler

	inline virtual void OnStartDocumentL(const RDocumentParameters& aDocParam, TInt aErrorCode);

    inline virtual void OnEndDocumentL(TInt aErrorCode);

	virtual void OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode);

	virtual void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);

	virtual void OnContentL(const TDesC8& aBytes, TInt aErrorCode);

	virtual void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode);

	inline virtual void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);

	inline virtual void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);

	inline virtual void OnSkippedEntityL(const RString& aName, TInt aErrorCode);

	inline virtual void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData, TInt aErrorCode);

	inline virtual void OnError(TInt aErrorCode);

	inline virtual TAny* GetExtendedInterface(const TInt32 aUid);

	TBool IsBlankSpace(const TDesC8& aBytes);

protected:

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

private:

	inline TInt SiblingCount();

private:

	CParseHandlerBase* iChildParser; // delete when depth = 0

protected:	

		TInt iSiblingsCount;

		RString iString;

		};

TInt CParseHandlerBase::SiblingCount()

	{

	return iSiblingsCount;

	}

#include "parsehandlerbase.inl"

#endif