genericservices/httputils/internetdateutils/tinternetdateparser.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 01 Apr 2010 00:15:09 +0300
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// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// This file contains the definition of internal classes used to parse TInternetDate data
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// 
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//
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/**
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 @file tinternetdateparser.h
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*/
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#ifndef		__TINTERNETDATEPARSER_H__
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#define		__TINTERNETDATEPARSER_H__
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#include <e32std.h>
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/**
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	Used as a support class of TInternetDate. This provides the implementation of parsing
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	Supports parsing of the following date formats:
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	Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
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    Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
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    Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format
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	All dates are store relative to Universal Time and not local time. 
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	@internalAll
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	@since 7.0
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*/
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class TInternetDateParser
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	{
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public:
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	inline TInternetDateParser();
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	void ConvertFromInternetFormL(const TDesC8& aInternetTextDateTime, TDateTime& aDateTime);
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	HBufC8* ConvertToRfc1123FormL(const TDateTime& aDateTime);
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private:
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	void ConvertFromRfc1123And850FormL(const TDesC8& aRfc1123DateTime, TDateTime& aDateTime);
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	void ConvertFromAscTimeFormL(const TDesC8& aAscTimeDateTime, TDateTime& aDateTime);
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	TInt ParseRfcDateDayMonthYearL(const TDesC8& aDateTimeText, TDateTime& aDateTime);
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	TMonth GetMonthL(const TDesC8& aMonthText);
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	void ParseHHMMSSTimeL(const TDesC8& aDateTimeText, TDateTime& aDateTime);
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	void ParseTimeOffsetL(const TDesC8& aTimeOffset, TTimeIntervalMinutes& aOffsetMinutes);
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	void ParseHHMMTimeOffsetL(const TDesC8& aTimeOffset, TTimeIntervalMinutes& aOffsetMinutes);
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	};
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inline TInternetDateParser::TInternetDateParser()
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	{}
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#endif	//	__TINTERNETDATEPARSER_H__