// 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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//+
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+
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#ifndef __CHTMLTOCRTCONVHASHTABLE_H__+
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#define __CHTMLTOCRTCONVHASHTABLE_H__+
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+
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#include <e32std.h>+
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#include <e32base.h>+
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#include "CHtmlToCrtConvHash.h"+
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#include "CHtmlToCrtConvLookupTable.h"+
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+
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class CHtmlToCrtConvHashTable : public CBase+
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	{+
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	public:+
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		static CHtmlToCrtConvHashTable* NewL();+
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		~CHtmlToCrtConvHashTable();+
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/**+
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	@fn				THtmlToCrtConvTagType LookupTag(const TDesC8& aTag) const+
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	Intended Usage	: Searches for aTag in KTagHashTable[] and returns+
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					  corresponding THtmlToCrtConvTagType<br>+
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	@param			aTag The text to be searched for+
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	@return			THtmlToCrtConvTagType The corresponding type+
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					 - EHtmlTagUnknown if not found+
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 */+
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		THtmlToCrtConvTagType LookupTag(const TDesC16& aTag) const;+
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/**+
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	@fn				THtmlToCrtConvAttributeType LookupAttribute(const TDesC8& aAttribute) const+
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	Intended Usage	: Searches for aAttribute in KAttributeHashTable[] and returns+
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					  corresponding THtmlToCrtConvAttributeType<br>+
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	@param			aAttribute The text to be searched for+
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	@return			THtmlToCrtConvAttributeType The corresponding type+
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					 - EHtmlAttributeUnknown if not found+
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 */+
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		THtmlToCrtConvAttributeType LookupAttribute(const TDesC16& aAttribute) const;+
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+
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/**+
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	@fn				const TDesC16&	LookupEntity(const TDesC16& aEntityName) const+
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	Intended Usage	: Searches for aEntityName in KEntityHashTable[] and returns the +
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					  corresponding entity+
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	@param			aEntityName The entity name to be searched for+
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	@return			const TDesC16& The corresponding entity+
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	                - KHtmlEntityUnknown if not found+
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*/+
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		const TDesC16&	LookupEntity(const TDesC16& aEntityName) const;+
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	+
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	private:+
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		CHtmlToCrtConvHashTable();+
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		void ConstructL();+
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/**+
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	@fn				void CreateTagHashTableL()+
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	Intended Usage	: Used by LookupTag()+
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					  Populates iTagHashValues with values+
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					  generated from KTagHashTable[]<br>+
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	@return			void+
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 */+
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		void CreateTagHashTableL();+
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/**+
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	@fn				void CreateAttributeHashTableL()+
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	Intended Usage	: Used by LookupAttribute()+
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					  Populates iAttributeHashValues with values+
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					  generated from KAttributeHashTable[]<br>+
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	@return			void+
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 */+
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		void CreateAttributeHashTableL();+
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/**+
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	@fn				CreateEntityHashTableL()+
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	Intended Usage	: Populates iEntityHashValues with values+
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					  generated from KEntityHashTable[]. iEnitityHashValues +
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					  is used by LookupEntity()+
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	@return			void+
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  */+
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+
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		void CreateEntityHashTableL();+
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/**+
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	@fn				TInt Hash(const TDesC8& aText) const+
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	Intended Usage	: Used by CreateTagHashTableL(), CreateAttributeHashTableL(),+
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					  LookupTag() and LookupAttribute()+
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					  Takes a descriptor, and returns a value determined+
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					  by the descriptor<br>+
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	@param			aText the text to be translated into a hash value+
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	@return			TInt a value determined by aText+
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 */+
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		TInt Hash(const TDesC16& aText) const;+
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	+
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	private:+
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		RArray<TInt> iTagHashValues;+
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		RArray<TInt> iAttributeHashValues;+
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	};+
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+
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#endif+
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