/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*     Helper class for converting vanity dialing numbers

*

*/

// INCLUDE FILES

#include "phonevanitydialingutils.h"

// CONSTANTS

const TInt KCharA = 'A';

const TInt KCharB = 'B';

const TInt KCharC = 'C';

const TInt KCharD = 'D';

const TInt KCharE = 'E';

const TInt KCharF = 'F';

const TInt KCharG = 'G';

const TInt KCharH = 'H';

const TInt KCharI = 'I';

const TInt KCharJ = 'J';

const TInt KCharK = 'K';

const TInt KCharL = 'L';

const TInt KCharM = 'M';

const TInt KCharN = 'N';

const TInt KCharO = 'O';

const TInt KCharP = 'P';

const TInt KCharQ = 'Q';

const TInt KCharR = 'R';

const TInt KCharS = 'S';

const TInt KCharT = 'T';

const TInt KCharU = 'U';

const TInt KCharV = 'V';

const TInt KCharW = 'W';

const TInt KCharX = 'X';

const TInt KCharY = 'Y';

const TInt KCharZ = 'Z';

const TInt KChar2 = '2';

const TInt KChar3 = '3';

const TInt KChar4 = '4';

const TInt KChar5 = '5';

const TInt KChar6 = '6';

const TInt KChar7 = '7';

const TInt KChar8 = '8';

const TInt KChar9 = '9';

_LIT( KPhoneVanityValidFirstChars, "0123456789+" );

_LIT( KPhoneVanityValidChars, "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789*#+pw" );

// ---------------------------------------------------------

// CouldBeVanityNumber

//

// Vanity dialing numbers start with a number, and after that they

// contain only upper case letters (A-Z) and numbers

// for example: 555PIZZA, +3583ONE2THREE

// ---------------------------------------------------------

//

TBool CouldBeVanityNumber( TDesC& aDes )

    {

    if ( !aDes.Length() )

        {

        return EFalse;

        }

    TBool possibleVanityNumber = ETrue;

    // check first character

    TPtrC validFirstChar( KPhoneVanityValidFirstChars );

    if ( validFirstChar.Locate( aDes[0] ) == KErrNotFound )

        {

        possibleVanityNumber = EFalse;

        }

    // check rest of the string

    TInt i = 1;

    TPtrC validChar( KPhoneVanityValidChars );

    while ( possibleVanityNumber && i < aDes.Length() )

        {

        if ( validChar.Locate( aDes[i] ) == KErrNotFound )

            {

            possibleVanityNumber = EFalse;

            }

        i++;

        }

    return possibleVanityNumber;

    }

// ---------------------------------------------------------

// PhoneVanityDialingUtils::DoVanityNumberConversion

//

// ---------------------------------------------------------

//

EXPORT_C void PhoneVanityDialingUtils::DoVanityNumberConversion( TDes& aDes )

    {

    if ( CouldBeVanityNumber( aDes ) )

        {

        for ( TInt i = 0; i < aDes.Length(); i++ )

            {

            switch ( aDes[i] )

                {

                case KCharA:

                case KCharB:

                case KCharC:

                    aDes[i] = KChar2;

                    break;

                case KCharD:

                case KCharE:

                case KCharF:

                    aDes[i] = KChar3;

                    break;

                case KCharG:

                case KCharH:

                case KCharI:

                    aDes[i] = KChar4;

                    break;

                case KCharJ:

                case KCharK:

                case KCharL:

                    aDes[i] = KChar5;

                    break;

                case KCharM:

                case KCharN:

                case KCharO:

                    aDes[i] = KChar6;

                    break;

                case KCharP:

                case KCharQ:

                case KCharR:

                case KCharS:

                    aDes[i] = KChar7;

                    break;

                case KCharT:

                case KCharU:

                case KCharV:

                    aDes[i] = KChar8;

                    break;

                case KCharW:

                case KCharX:

                case KCharY:

                case KCharZ:

                    aDes[i] = KChar9;

                    break;

                default:

                    break;

                }

            }

        }

    }

// End of File