/*

* Copyright (c) 2002-2005 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:        

*

*/

// INCLUDE FILES

#include "senselecttransform.h"

#include "msencoreservicemanager.h"

namespace

    {

    _LIT8(KSelectParamDefVal,

        "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!*-+?");

    _LIT8(KSelectParamName, "allowed");

    }

// Create instance of concrete ECOM interface implementation

CSenSelectTransform* CSenSelectTransform::NewL(

                                    MSenCoreServiceManager& aServiceManager)

    {

    CSenSelectTransform* pNew = CSenSelectTransform::NewLC(aServiceManager);

    CleanupStack::Pop();

    return pNew;

    }

CSenSelectTransform* CSenSelectTransform::NewLC(

                                    MSenCoreServiceManager& aServiceManager)

    {

    CSenSelectTransform* pNew =

                            new (ELeave) CSenSelectTransform(aServiceManager);

    CleanupStack::PushL(pNew);

    pNew->ConstructL();

    return pNew;

    }

void CSenSelectTransform::ConstructL()

    {

    ipSelect = HBufC8::NewL(124); // 68 chars in default select-string..

    TPtr8 select = ipSelect->Des();

    select.Append(KSelectParamDefVal);

    }

CSenSelectTransform::CSenSelectTransform(

                                    MSenCoreServiceManager& aServiceManager)

:   CSenPasswordTransform(aServiceManager),

    ipSelect(NULL)

    {

    }

CSenSelectTransform::~CSenSelectTransform()

    {

    delete ipSelect;

    }

// NOTE: returns KErrNotSupported, if parameter name is unknown!

TInt CSenSelectTransform::SetParameterL(TPtrC8 aName,

                                        TPtrC8 aValue)

    {

    if(aName == KSelectParamName)

        {

        delete ipSelect;

        ipSelect = aValue.AllocL();

        return KErrNone;

        }

    else

        {

        return KErrNotSupported;

        }

    }

HBufC8* CSenSelectTransform::TransformL(TPtrC8 aPassphrase) const

    {

    // no need to use stack, this is the only leaving method here:

    HBufC8* pResult = HBufC8::NewL(aPassphrase.Length());

    TPtr8 result = pResult->Des();

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

        {

        TChar ch(aPassphrase[i]);

        if(ipSelect->Locate(ch) != KErrNotFound)

            {

            result.Append(ch);

            }

        }

    return pResult;

    }

// End of File