1 /*

     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Declarations of text recognizer class.

    15 *

    16 */

    17 

    18 

    19 #ifndef TXTRECOG_H

    20 #define TXTRECOG_H

    21 

    22 // INCLUDES

    23 #include <apmrec.h>

    24 

    25 // CLASS DECLARATION

    26 /**

    27 *  Series 60 "text/plain" recognizer.

    28 *  Mime recognizer for "text/plain".

    29 *  

    30 */

    31 const TInt KTxtRecognizerImplementationUid = 0x100059ab;

    32 class CKthreeTextRecognizer : public CApaDataRecognizerType

    33     {

    34     public: // Constructor

    35 

    36         /**

    37         * Constructor.

    38         */

    39         CKthreeTextRecognizer();

    40 

    41 		~CKthreeTextRecognizer();

    42 		

    43 		static CKthreeTextRecognizer* NewL( );

    44 			

    45 		

    46     public:  // Functions from base classes

    47 

    48         /**

    49         * From CApaDataRecognizerType.

    50         * Preferred byte size of sample content.

    51         */

    52         TUint PreferredBufSize();

    53 

    54         /**

    55         * From CApaDataRecognizerType.

    56         * Return mime type which this class supports to recognize.

    57         *

    58         * @param aIndex index.

    59         * @return always text/plain.

    60         */

    61         TDataType SupportedDataTypeL(TInt aIndex) const;

    62         /**

    63         ** From CApaDataRecognizerType.

    64         */

    65         

    66     	static CApaDataRecognizerType* CreateRecognizerL();

    67     		

    68     private:  // Functions from base classes

    69         

    70         /*

    71         // Two phase contructor

    72         //

    73         */

    74         void ConstructL();

    75         

    76         /**

    77         * From CApaDataRecognizerType.

    78         * This is a main part of recognization.

    79         *

    80         * @param aName file name.

    81         * @param aBuffer sample content.

    82         */

    83         void DoRecognizeL(const TDesC& aName, const TDesC8& aBuffer);

    84 

    85     private: // New function

    86 

    87         /**

    88         * Check whether a byte is unlikely to be used in text file.

    89         *

    90         * @param aByte a byte to check.

    91         * @return ETrue if aByte is invalid as a text character.

    92         */

    93         static TBool IsInvalidChar( const TUint8& aByte);

    94 

    95 		TBool IsInBlackListL(TPtrC aExt);

    96     private:    // Data

    97 

    98 		TInt			iResOffset;

    99 		RPointerArray<HBufC> iResListData;

   100     };

   101 

   102 #endif // TXTRECOG_H

   103 

   104 // End of File