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:  Parser for PCN procedures.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include    "cphonegsmpcnprocedureparser.h" 

    21 #include    "cphonegsmparserresult.h" 

    22 #include    "cphonegsmoptioncontainer.h" 

    23 

    24 // CONSTANTS

    25 

    26 // GsmPcn sim lock code prefix

    27 _LIT( KPhoneGsmPcnSimLockCodePrefix, "*pw+" );

    28 

    29 // GsmPcn sim unlock code prefix

    30 _LIT( KPhoneGsmPcnSimUnlockCodePrefix, "#pw+" );

    31 

    32 // Plus character.

    33 const TInt KPhoneGsmPcnPlus = '+';

    34 

    35 // Hash string

    36 _LIT( KPhoneGsmPcnHash, "#" );

    37 

    38 // ============================ MEMBER FUNCTIONS ===============================

    39 

    40 // -----------------------------------------------------------------------------

    41 // CPhoneGsmPcnProcedureParser::CPhoneGsmPcnProcedureParser

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

    43 //

    44 CPhoneGsmPcnProcedureParser::CPhoneGsmPcnProcedureParser()

    45     {

    46     }

    47 

    48 // -----------------------------------------------------------------------------

    49 // CPhoneGsmPcnProcedureParser::NewLC

    50 // -----------------------------------------------------------------------------

    51 //

    52 CPhoneGsmPcnProcedureParser* CPhoneGsmPcnProcedureParser::NewLC()

    53     {

    54     CPhoneGsmPcnProcedureParser* self = 

    55         new ( ELeave ) CPhoneGsmPcnProcedureParser;

    56     

    57     CleanupStack::PushL( self );

    58     

    59     return self;

    60     }

    61 

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

    63 // CPhoneGsmPcnProcedureParser::ParseL

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

    65 //

    66 TBool CPhoneGsmPcnProcedureParser::ParseL( 

    67         const TDesC& aString,

    68         CPhoneGsmParserResult& aResult,

    69         CPhoneGsmOptionContainerBase& aOptions )

    70     {

    71     TBool result = EFalse;

    72     aResult.ClearL();

    73     

    74     CPhoneGsmOptionContainer& options =

    75                 static_cast<CPhoneGsmOptionContainer&>( aOptions );

    76     

    77     if ( !options.FindOptionStatus( KPhoneOptionSend ) )

    78         {

    79         result = HandleSimLockCodeL( aString, aResult );

    80 

    81         if ( !result )

    82             {

    83             result = HandleSimUnlockCodeL( aString, aResult );

    84             }

    85         }

    86     

    87     return result;

    88     }

    89 

    90 // -----------------------------------------------------------------------------

    91 // CPhoneGsmPcnProcedureParser::HandleSimLockCodeL

    92 // -----------------------------------------------------------------------------

    93 //

    94 TBool CPhoneGsmPcnProcedureParser::HandleSimLockCodeL(

    95         const TDesC& aString,

    96         CPhoneGsmParserResult& aResult )

    97     {

    98     TBool result = EFalse;

    99 

   100     // Is this SIM lock command

   101     if ( IsPrefixOf( aString, KPhoneGsmPcnSimLockCodePrefix ) )

   102         {

   103         TLex input( aString );

   104         input.Inc( KPhoneGsmPcnSimLockCodePrefix().Length() );

   105        

   106         if ( HandleLockCodeParametersL( input.Remainder(), aResult ) )

   107             {

   108             result = ETrue;

   109             aResult.SetUid( KPhoneUidSimLockCode );

   110             }

   111         else if ( IsPostfixOf( aString, KPhoneGsmPcnHash ) )

   112             {

   113             result = ETrue;

   114             aResult.ClearL();

   115             aResult.SetUid( KPhoneUidSimLockCode );

   116             aResult.AddParameterL( KNullDesC );

   117             aResult.AddParameterL( KNullDesC );

   118             }

   119         }

   120 

   121     return result;

   122     }

   123 

   124 // -----------------------------------------------------------------------------

   125 // CPhoneGsmPcnProcedureParser::HandleSimUnlockCodeL

   126 // -----------------------------------------------------------------------------

   127 //

   128 TBool CPhoneGsmPcnProcedureParser::HandleSimUnlockCodeL(

   129         const TDesC& aString,

   130         CPhoneGsmParserResult& aResult )

   131     {

   132     TBool result = EFalse;

   133 

   134     // Is this SIM unlock command

   135     if ( IsPrefixOf( aString, KPhoneGsmPcnSimUnlockCodePrefix ) )

   136         {

   137         TLex input( aString );

   138         input.Inc( KPhoneGsmPcnSimLockCodePrefix().Length() );

   139 

   140         if ( HandleLockCodeParametersL( input.Remainder(), aResult ) )

   141             {

   142             result = ETrue;

   143             aResult.SetUid( KPhoneUidSimUnlockCode );

   144             }

   145         else if ( IsPostfixOf( aString, KPhoneGsmPcnHash ) )

   146             {

   147             result = ETrue;

   148             aResult.ClearL();

   149             aResult.SetUid( KPhoneUidSimUnlockCode );

   150             aResult.AddParameterL( KNullDesC );

   151             aResult.AddParameterL( KNullDesC );

   152             }

   153         }

   154 

   155     return result;

   156     }

   157 

   158 // -----------------------------------------------------------------------------

   159 // CPhoneGsmPcnProcedureParser::HandleLockCodeParametersL

   160 // -----------------------------------------------------------------------------

   161 //

   162 TBool CPhoneGsmPcnProcedureParser::HandleLockCodeParametersL( 

   163         const TDesC& aString,

   164         CPhoneGsmParserResult& aResult )

   165     {

   166     TBool result = EFalse;

   167     TLex input( aString );

   168     TInt len; // length of strings

   169    

   170     // Extract first parameter

   171     TPtrC password( ExtractNumber( aString ) );

   172     len = password.Length();

   173 

   174     if ( len )

   175         {

   176         // Parameter ok

   177         input.Inc( len );       

   178 

   179         // Plus is separator of two parameters

   180         if ( input.Peek() == KPhoneGsmPcnPlus )

   181             {

   182             input.Inc();

   183 

   184             // Extract second parameter

   185             TPtrC type( ExtractNumber( input.Remainder() ) );

   186             len = type.Length();

   187 

   188             if ( len )

   189                 {

   190                 // Parameter ok

   191                 input.Inc( len );

   192 

   193                 // Check if we are at the end of string

   194                 if ( input.Remainder() == KPhoneGsmPcnHash )

   195                     {

   196                     aResult.AddParameterL( password );

   197                     aResult.AddParameterL( type );

   198 

   199                     result = ETrue;

   200                     }

   201                 }

   202             }

   203         }

   204     

   205     return result;

   206     }

   207 

   208 //  End of File