// 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:

// This file contains the definition of internal classes used to parse TInternetDate data

// 

//

/**

 @file tinternetdateparser.h

*/

#ifndef		__TINTERNETDATEPARSER_H__

#define		__TINTERNETDATEPARSER_H__

#include <e32std.h>

/**

	Used as a support class of TInternetDate. This provides the implementation of parsing

	Supports parsing of the following date formats:

	Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123

    Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036

    Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format

	All dates are store relative to Universal Time and not local time. 

	@internalAll

	@since 7.0

*/

class TInternetDateParser

	{

public:

	inline TInternetDateParser();

	void ConvertFromInternetFormL(const TDesC8& aInternetTextDateTime, TDateTime& aDateTime);

	HBufC8* ConvertToRfc1123FormL(const TDateTime& aDateTime);

private:

	void ConvertFromRfc1123And850FormL(const TDesC8& aRfc1123DateTime, TDateTime& aDateTime);

	void ConvertFromAscTimeFormL(const TDesC8& aAscTimeDateTime, TDateTime& aDateTime);

	TInt ParseRfcDateDayMonthYearL(const TDesC8& aDateTimeText, TDateTime& aDateTime);

	TMonth GetMonthL(const TDesC8& aMonthText);

	void ParseHHMMSSTimeL(const TDesC8& aDateTimeText, TDateTime& aDateTime);

	void ParseTimeOffsetL(const TDesC8& aTimeOffset, TTimeIntervalMinutes& aOffsetMinutes);

	void ParseHHMMTimeOffsetL(const TDesC8& aTimeOffset, TTimeIntervalMinutes& aOffsetMinutes);

	};

inline TInternetDateParser::TInternetDateParser()

	{}

#endif	//	__TINTERNETDATEPARSER_H__