genericservices/httputils/UriParser/TEquiv.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 01 Apr 2010 00:15:09 +0300
branchRCL_3
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// Copyright (c) 2004-2009 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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// File contains internal classes for comparing two URIs to determine
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// if they identify the same resource
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// 
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//
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/**
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 @file TEquiv.h
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 @see Uri8.h
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*/
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#ifndef __TEQUIV_H__
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#define __TEQUIV_H__
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#include <uri8.h>
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#include <delimitedparser8.h>
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/**
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	Comments : 
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	@internalComponent
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	@released
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*/
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class TEquiv
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	{
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public:
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	enum THeaderType
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		{
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		EHeaderNormal,
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		EHeaderId,
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		EHeaderContact,
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		EHeaderEncoding,
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		EHeaderLength,
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		EHeaderType,
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		EHeaderFrom,
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		EHeaderSubject,
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		EHeaderTo
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		};
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public:
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	TEquiv(const TUriC8& aLhs, const TUriC8& aRhs);
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	TInt EquivalentL() const;
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protected:
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	// Default implementation is for network schemes
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	// Overide the following methods where appropriate for other schemes
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	virtual TBool IsMatchSchemeL() const;
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	virtual TBool IsMatchUserInfoL() const;
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	virtual TBool IsMatchHostL() const;
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	virtual TBool IsMatchPortL() const;
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	virtual TBool IsMatchPathL() const;
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	virtual TBool IsMatchQueryL() const;
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	virtual TBool IsMatchFragmentL() const;
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	// general utility methods
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	HBufC8* DecodedSegmentLC(const TUriC8& aUri, TUriComponent aSegmentType) const;
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	inline TBool IsMatchCaseless(const TDesC8& aLhs, const TDesC8& aRhs) const;
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	inline TBool IsMatchCaseSensitive(const TDesC8& aLhs, const TDesC8& aRhs) const;
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protected:
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	const TUriC8& iLhs;
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	const TUriC8& iRhs;
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	};
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/**
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	Comments : This class provides the functionality for Comparing SIP URIs.
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	@internalComponent
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	@released
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*/
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class TEquivSip: public TEquiv
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	{
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public:
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	TEquivSip(const TUriC8& aLhs, const TUriC8& aRhs);
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	// from TEquiv
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private:
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	virtual TBool IsMatchHostL() const;
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	virtual TBool IsMatchPathL() const;
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	virtual TBool IsMatchQueryL() const;
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	virtual TBool IsMatchFragmentL() const;
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	// supporting methods
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	void RemoveLeadingZeros(TPtr8 aHost) const;
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	TBool IsMatchHostL(const TDesC8& aLhs, const TDesC8& aRhs) const;
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	TBool IsParamCompatibleL(const TDesC8& aLhsName, const TDesC8& aLhsValue, const TDesC8& aRhsName, const TDesC8& aRhsValue) const;
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	TBool IsParamListCompatibleL(const TDelimitedParserBase8& aLhsParser, const TDelimitedParserBase8& aRhsParser) const;
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	TInt ListLength(const TDelimitedParserBase8& aParser) const;
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	TBool HasMoreParameters(const TDelimitedParserBase8& aLhsParser, const TDelimitedParserBase8& aRhsParser) const;
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	THeaderType HeaderType(const TDesC8& aHeaderName) const;
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	TBool IsMatchHeader(const TDesC8& aLhs, const TDesC8& aRhs) const;
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	TBool IsQueryListCompatible(const TDelimitedParserBase8& aLhsParser, const TDelimitedParserBase8& aRhsParser) const;
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};
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inline TBool TEquiv::IsMatchCaseless(const TDesC8& aLhs, const TDesC8& aRhs) const
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	{
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	return (aLhs.CompareF(aRhs) == 0);
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	}
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inline TBool TEquiv::IsMatchCaseSensitive(const TDesC8& aLhs, const TDesC8& aRhs) const
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	{
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	return (aLhs.Compare(aRhs) == 0);
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	}
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#endif	// __TEQUIV_H__