/*

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

*               member variables for later use.

*

*/

// INCLUDE FILES

#include <f32file.h>

#include <barsc.h>

#include <bautils.h>

#include <barsread.h>

#include <NssVasResource.rsg>

#include "NssVasCVasDbSrvdef.h"

#include "NssVasCResourceHandler.h"

#include "RubyDebug.h"

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

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

// CNssVasResourceHandler::CNssVasResourceHandler

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

// might leave.

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

//

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

                                                   iDatabaseName( NULL )

    {

    }

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

// CNssVasResourceHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CNssVasResourceHandler::ConstructL()

    {

    ReadResourceFileL();

    }

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

// CNssVasResourceHandler::NewL

// Two-phased constructor.

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

//

CNssVasResourceHandler* CNssVasResourceHandler::NewL()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CNssVasResourceHandler::~CNssVasResourceHandler

// Destructor.

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

//

CNssVasResourceHandler::~CNssVasResourceHandler()

    {

    delete iDatabasePath;

    delete iDatabaseName;

    }

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

// CNssVasResourceHandler::ReadResourceFileL

// Reads the data from the resource file.

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

//

void CNssVasResourceHandler::ReadResourceFileL()

    {

    RUBY_DEBUG_BLOCK( "CVasResourceHandler::ReadResourceFileL" );

    // letters for drives in search order

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

    RFs fs;

    // start a file session

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

	CleanupClosePushL ( fs );

    // Declare a resource file

    RResourceFile resourceFile;

    TFileName name;

    TInt i( 0 );

    // try to find from the first driver

    name.Append( KResourceDrives[i] );

    name.Append( ':' );

    name.Append( KDC_RESOURCE_FILES_DIR );

    name.Append( KResourceFileName );

    TBool found( EFalse );

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

        {

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

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

            {

            // open resource

            resourceFile.OpenL( fs, name );

            CleanupClosePushL( resourceFile );

            found = ETrue;

            }

        }

    if ( !found )

        {

        User::Leave( KErrNotFound );

        }

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

	TResourceReader theReader;

	theReader.SetBuffer(res);

    // Get the name of the database file

    iDatabasePath = theReader.ReadHBufCL();

    iDatabaseName = theReader.ReadHBufCL();

    // Release resource reader

    // Close resource file

    // Close file session

	CleanupStack::PopAndDestroy( res );

	CleanupStack::PopAndDestroy( &resourceFile );

	CleanupStack::PopAndDestroy( &fs );

    }

// End of File