1 /*

     2 * Copyright (c) 2008 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:  

    15 *

    16 */

    17 

    18 

    19 #include "svtphonenumbervalidator.h"

    20 

    21 // ======== MEMBER FUNCTIONS ========

    22 

    23 // ---------------------------------------------------------------------------

    24 // SvtPhoneNumberValidator::IsValidNumber

    25 // ---------------------------------------------------------------------------

    26 //

    27 TBool SvtPhoneNumberValidator::IsValidNumber( const TDesC& aCandidate )

    28     {

    29     if ( aCandidate.Length() != 0 

    30             && AreStartCharactersValid( aCandidate )

    31             && ContainsValidCharacters( aCandidate ) )

    32         {

    33         return ETrue;

    34         }

    35     else

    36         {

    37         return EFalse;

    38         }

    39     }

    40 

    41 

    42 // ---------------------------------------------------------------------------

    43 // SvtPhoneNumberValidator::ContainsValidCharacters

    44 // ---------------------------------------------------------------------------

    45 //

    46 TBool SvtPhoneNumberValidator::ContainsValidCharacters( 

    47         const TDesC& aCandidate )

    48     {

    49     _LIT( KAllowedCharsInPhoneNumber, "0123456789*+pw#PW" );

    50     

    51     TLex input( aCandidate );

    52     TPtrC validChars( KAllowedCharsInPhoneNumber );

    53     while ( validChars.Locate( input.Peek() ) != KErrNotFound )

    54         {

    55         input.Inc();

    56         }

    57     

    58     return ( !input.Remainder().Length() );

    59     }

    60 

    61 

    62 // ---------------------------------------------------------------------------

    63 // SvtPhoneNumberValidator::AreStartCharactersValid

    64 // ---------------------------------------------------------------------------

    65 //

    66 TBool SvtPhoneNumberValidator::AreStartCharactersValid( 

    67         const TDesC& aCandidate )

    68     {

    69     TBool isValidStart( ETrue );

    70     

    71     TChar firstChar  = '0';

    72     TChar secondChar = '0';

    73     TInt candidateLength( aCandidate.Length() );

    74     if ( 0 < candidateLength )

    75         {

    76         firstChar = aCandidate[0];

    77         firstChar.LowerCase();

    78         }

    79     

    80     if ( 1 < candidateLength )

    81         {

    82         secondChar = aCandidate[1];

    83         secondChar.LowerCase();

    84         }

    85     

    86     if ( firstChar == 'p' || firstChar == 'w' )

    87         {

    88         isValidStart = EFalse;

    89         }

    90     

    91     if ( ( firstChar == '+' && secondChar == '+' ) ||

    92          ( firstChar == '+' && secondChar == 'p' ) ||

    93          ( firstChar == '+' && secondChar == 'w' ) )

    94         {

    95         isValidStart = EFalse;

    96         }

    97     

    98     return isValidStart;

    99     }