1 /*

     2 * Copyright (c) 2010 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:  Special AT command handler

    15 *

    16 */

    17 

    18 #ifndef C_CDUNATSPECIALCMDHANDLER_H

    19 #define C_CDUNATSPECIALCMDHANDLER_H

    20 

    21 #include <e32base.h>

    22 #include <badesca.h>

    23 

    24 const TInt KLineBufLength = (512 + 1);  // Set this the same as in KDunLineBufLength

    25 

    26 /**

    27  *  Class for special AT command handler

    28  *

    29  *  @lib dunatext.lib

    30  *  @since TB9.2

    31  */

    32 NONSHARABLE_CLASS( CDunAtSpecialCmdHandler ) : public CBase

    33     {

    34 

    35 public:

    36 

    37     /**

    38      * Two-phased constructor.

    39      * @param None

    40      * @return Instance of self

    41      */

    42 	static CDunAtSpecialCmdHandler* NewL();

    43 

    44     /**

    45     * Destructor.

    46     */

    47     ~CDunAtSpecialCmdHandler();

    48 

    49 public:

    50 

    51     /**

    52      * Checks if the command has to be treated special way.

    53      * For example in case of MAC, it sends command AT&FE0Q0V1&C1&D2+IFC=3,1.

    54      * meaning there is no delimiters in the command.

    55      * In case of MAC we try to search AT&F (sub command) string from the

    56      * beginning of the command.

    57      * Search is done string basis.

    58      *

    59      * @since TB9.2

    60      * @param aCharacter Character to add

    61      * @return ETrue if data is ready for comparison, EFalse otherwise

    62      */

    63     TBool IsCompleteSubCommand( TChar aCharacter );

    64 

    65     /**

    66      * Resets the buffer used for comparisons

    67      *

    68      * @since TB9.2

    69      * @return None

    70      */

    71     void ResetComparisonBuffer();

    72 

    73 private:

    74 

    75     CDunAtSpecialCmdHandler();

    76 

    77     void ConstructL();

    78 

    79     /**

    80      * Defines when comparison is excecuted, checks if the data lengths are

    81      * equal.

    82      *

    83      * @since TB9.2

    84      * @return ETrue if data is ready for comparison, EFalse otherwise

    85      */

    86     TBool IsDataReadyForComparison( TInt aLength );

    87 

    88     /**

    89      * Defines minimum length of the special commands.

    90      *

    91      * @since TB9.2

    92      * @return Minimum length of the special commands

    93      */

    94     TInt MinimumLength();

    95 

    96 private:  // data

    97 

    98     /**

    99      * Buffer for temporary AT command input

   100      */

   101     TBuf8<KLineBufLength> iBuffer;

   102 

   103     /**

   104      * Special commands for parsing

   105      */

   106     CDesC8Array *iSpecialCmds;

   107 

   108     };

   109 

   110 #endif  // C_CDUNATSPECIALCMDHANDLER_H