/*+
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* Copyright (c) 2002 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:  Declarations of text recognizer class.+
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*+
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*/+
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+
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+
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#ifndef TXTRECOG_H+
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#define TXTRECOG_H+
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+
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// INCLUDES+
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#include <apmrec.h>+
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+
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// CLASS DECLARATION+
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/**+
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*  Series 60 "text/plain" recognizer.+
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*  Mime recognizer for "text/plain".+
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*  +
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*/+
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const TInt KTxtRecognizerImplementationUid = 0x100059ab;+
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class CKthreeTextRecognizer : public CApaDataRecognizerType+
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    {+
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    public: // Constructor+
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+
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        /**+
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        * Constructor.+
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        */+
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        CKthreeTextRecognizer();+
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+
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		~CKthreeTextRecognizer();+
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		+
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		static CKthreeTextRecognizer* NewL( );+
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			+
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		+
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    public:  // Functions from base classes+
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+
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        /**+
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        * From CApaDataRecognizerType.+
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        * Preferred byte size of sample content.+
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        */+
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        TUint PreferredBufSize();+
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+
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        /**+
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        * From CApaDataRecognizerType.+
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        * Return mime type which this class supports to recognize.+
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        *+
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        * @param aIndex index.+
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        * @return always text/plain.+
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        */+
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        TDataType SupportedDataTypeL(TInt aIndex) const;+
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        /**+
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        ** From CApaDataRecognizerType.+
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        */+
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        +
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    	static CApaDataRecognizerType* CreateRecognizerL();+
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    		+
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    private:  // Functions from base classes+
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        +
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        /*+
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        // Two phase contructor+
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        //+
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        */+
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        void ConstructL();+
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        +
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        /**+
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        * From CApaDataRecognizerType.+
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        * This is a main part of recognization.+
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        *+
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        * @param aName file name.+
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        * @param aBuffer sample content.+
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        */+
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        void DoRecognizeL(const TDesC& aName, const TDesC8& aBuffer);+
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+
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    private: // New function+
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+
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        /**+
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        * Check whether a byte is unlikely to be used in text file.+
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        *+
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        * @param aByte a byte to check.+
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        * @return ETrue if aByte is invalid as a text character.+
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        */+
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        static TBool IsInvalidChar( const TUint8& aByte);+
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+
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		TBool IsInBlackListL(TPtrC aExt);+
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    private:    // Data+
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+
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		TInt			iResOffset;+
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		RPointerArray<HBufC> iResListData;+
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    };+
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+
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#endif // TXTRECOG_H+
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+
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// End of File+
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