// Copyright (c) 2003-2009 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:

// GMXMLFILEDDATASOURCE.H

// This file contains the declaration of the specific CMDXMLParserFileDataSource class

// which is used by the XML Parser when the file based API is used.

// 

//

/**

 @file

*/

#ifndef __GMXMLFILEDATASOURCE_H__

#define __GMXMLFILEDATASOURCE_H__

class CMDXMLParserFileDataSource : public CBase, public MMDXMLParserDataProvider

	{

public:

	virtual void GetData(TPtrC8 &aPtr, TRequestStatus &aStatus);

	virtual void Disconnect();

	/** Creates and Initialises the data provider with a specified XML file.

	@param aRFs File server session

	@param aFileToParse The file name to parse

	*/

	static CMDXMLParserFileDataSource *NewL(RFs aRFs, const TDesC& aFileToParse);

	static CMDXMLParserFileDataSource *NewLC(RFs aRFs, const TDesC& aFileToParse);

	static CMDXMLParserFileDataSource* NewL(RFile& aFileHandleToParse);

	~CMDXMLParserFileDataSource();

private:

	CMDXMLParserFileDataSource();

	/** Second phase constructor.

	*/

	void ConstructL(RFs aRFs, const TDesC& aFileToParse);

	void ConstructL(RFile& aFileHandleToParse);

private:

	enum EInternalState

	{

		KInit = 0,

		KDataSent,

		KDone,

		KError

	};

	TInt  iState;

	RFile iXMLFile;

	HBufC8* iXMLFileBuffer;

	};

#endif