/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef __PARSEHANDLERBASE_H__

#define __PARSEHANDLERBASE_H__

#include <xml/contenthandler.h>

#include <e32base.h>

#include <flogger.h>

_LIT(KRtaLogDir, "rta");

_LIT(KRtaLogName, "rta.log");

namespace ReferenceTestAgent

	{

	/** 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 Xml::MContentHandler

		{

	public:

		virtual ~CParseHandlerBase();

		// Overridden as required by derived classes

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

		virtual void ParseEndElementL(const Xml::RTagInfo& aElement);

		virtual void ParseContentL(const TDesC8& aBytes);

		// From MContentHandler

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

		virtual void OnEndDocumentL(TInt aErrorCode);

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

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

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

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

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

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

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

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

		virtual void OnError(TInt aErrorCode);

		virtual TAny* GetExtendedInterface(const TInt32 aUid);

		static const TDesC8& GetTagAttributeL(const Xml::RAttributeArray& aAttributes, const TDesC8& aTag);

		static HBufC* ConvertDes8ToDes16L(const TDesC8& aString);

#ifdef _DEBUG

		static void LogL(const TDesC& aMessage);

		static void LogL(const TDesC& aMessage, const TDesC8& aParam);

		static void LogL(const TDesC& aMessage, TInt aParam);

#endif

	protected:

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

	private:

		CParseHandlerBase* iChildParser; // delete when depth = 0

		TInt iChildDepth;   // when this is zero we process the tags, otherwise child does.

		};

	}

#endif