1 /*

     2 * Copyright (c) 2005 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:  Reads the VAS resource file and keeps the information in

    15 *               member variables for later use.

    16 *

    17 */

    18 

    19 

    20 // INCLUDE FILES

    21 #include <f32file.h>

    22 #include <barsc.h>

    23 #include <bautils.h>

    24 #include <barsread.h>

    25 #include <NssVasResource.rsg>

    26 #include "NssVasCVasDbSrvdef.h"

    27 #include "NssVasCResourceHandler.h"

    28 #include "RubyDebug.h"

    29 

    30 // ============================ MEMBER FUNCTIONS ===============================

    31 

    32 // -----------------------------------------------------------------------------

    33 // CNssVasResourceHandler::CNssVasResourceHandler

    34 // C++ default constructor can NOT contain any code, that

    35 // might leave.

    36 // -----------------------------------------------------------------------------

    37 //

    38 CNssVasResourceHandler::CNssVasResourceHandler() : iDatabasePath( NULL ),

    39                                                    iDatabaseName( NULL )

    40     {

    41     }

    42 

    43 // -----------------------------------------------------------------------------

    44 // CNssVasResourceHandler::ConstructL

    45 // Symbian 2nd phase constructor can leave.

    46 // -----------------------------------------------------------------------------

    47 //

    48 void CNssVasResourceHandler::ConstructL()

    49     {

    50     ReadResourceFileL();

    51     }

    52 

    53 // -----------------------------------------------------------------------------

    54 // CNssVasResourceHandler::NewL

    55 // Two-phased constructor.

    56 // -----------------------------------------------------------------------------

    57 //

    58 CNssVasResourceHandler* CNssVasResourceHandler::NewL()

    59     {

    60     CNssVasResourceHandler* self = new ( ELeave ) CNssVasResourceHandler();

    61     CleanupStack::PushL( self );

    62     self->ConstructL();

    63     CleanupStack::Pop( self );

    64     return self;

    65     }

    66 

    67 // -----------------------------------------------------------------------------

    68 // CNssVasResourceHandler::~CNssVasResourceHandler

    69 // Destructor.

    70 // -----------------------------------------------------------------------------

    71 //

    72 CNssVasResourceHandler::~CNssVasResourceHandler()

    73     {

    74     delete iDatabasePath;

    75     delete iDatabaseName;

    76     }

    77 

    78 // -----------------------------------------------------------------------------

    79 // CNssVasResourceHandler::ReadResourceFileL

    80 // Reads the data from the resource file.

    81 // -----------------------------------------------------------------------------

    82 //

    83 void CNssVasResourceHandler::ReadResourceFileL()

    84     {

    85     RUBY_DEBUG_BLOCK( "CVasResourceHandler::ReadResourceFileL" );

    86   

    87     // letters for drives in search order

    88     const TBuf<2> KResourceDrives = _L("cz"); 

    89 

    90     RFs fs;

    91  	

    92     // start a file session

    93     User::LeaveIfError( fs.Connect() );

    94 	CleanupClosePushL ( fs );

    95 

    96     // Declare a resource file

    97     RResourceFile resourceFile;

    98     

    99     TFileName name;

   100     TInt i( 0 );

   101     // try to find from the first driver

   102     name.Append( KResourceDrives[i] );

   103     name.Append( ':' );

   104     name.Append( KDC_RESOURCE_FILES_DIR );

   105     name.Append( KResourceFileName );

   106 

   107     TBool found( EFalse );

   108     

   109     while ( !found && i < KResourceDrives.Length() )

   110         {

   111         name[0] = KResourceDrives[i++];

   112        

   113         if ( BaflUtils::FileExists(fs, name) )

   114             {

   115             // open resource

   116             resourceFile.OpenL( fs, name );

   117             CleanupClosePushL( resourceFile );

   118             found = ETrue;

   119             }

   120         }

   121             

   122     if ( !found )

   123         {

   124         User::Leave( KErrNotFound );

   125         }

   126 

   127 	HBufC8* res = resourceFile.AllocReadLC(VASINFO); // Stack: file session, res file, res reader

   128 

   129 	TResourceReader theReader;

   130 	theReader.SetBuffer(res);

   131 

   132     // Get the name of the database file

   133     iDatabasePath = theReader.ReadHBufCL();

   134     iDatabaseName = theReader.ReadHBufCL();

   135 

   136     // Release resource reader

   137     // Close resource file

   138     // Close file session

   139 	CleanupStack::PopAndDestroy( res );

   140 	CleanupStack::PopAndDestroy( &resourceFile );

   141 	CleanupStack::PopAndDestroy( &fs );

   142     }

   143 

   144 // End of File