/*

* Copyright (c) 2002-2007 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:  A SIM field type filter.

*

*/

// INCLUDE FILES

#include "CVPbkSimFieldTypeFilter.h"

// System includes

#include <s32strm.h>

#include <s32mem.h>

// ============================= LOCAL FUNCTIONS ============================

// SIM field type filter static data

namespace KSimFieldTypeFilterStatic

    {

    const TUint8 KFilterVersionNumber = 1;

    }

namespace KSimFieldTypeFilterExternalizeSizes

    {

    const TInt KVersionNumberSize = 1;

    const TInt KCriteriaSize = 16;

    }

/// Unnamed namespace for local definitions

namespace {

TInt DoCalculateBufferSize()

    {

    TInt bufferSize = KSimFieldTypeFilterExternalizeSizes::KVersionNumberSize;

    bufferSize += KSimFieldTypeFilterExternalizeSizes::KCriteriaSize;

    return bufferSize;

    }

void DoFillBuffer( RWriteStream& aWriteStream,

        const CVPbkSimFieldTypeFilter& aThis )

    {

    // Write version number

    aWriteStream.WriteUint8L(

        KSimFieldTypeFilterStatic::KFilterVersionNumber );

    // Write criteria

    aWriteStream.WriteUint16L( aThis.FilteringCriteria() );

    }    

} /// unnamed namespace

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

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

// CVPbkSimFieldTypeFilter::CVPbkSimFieldTypeFilter

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

//

EXPORT_C CVPbkSimFieldTypeFilter::CVPbkSimFieldTypeFilter()

    {

    }

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

// CVPbkSimFieldTypeFilter::~CVPbkSimFieldTypeFilter

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

//

CVPbkSimFieldTypeFilter::~CVPbkSimFieldTypeFilter()

    {   

    }

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

// CVPbkSimFieldTypeFilter::AppendFilteringFlag

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

//

EXPORT_C void CVPbkSimFieldTypeFilter::AppendFilteringFlag

        ( TUint16 aFilteringFlag )

    {

    iFilteringCriteria |= aFilteringFlag;

    }

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

// CVPbkSimFieldTypeFilter::AppendFilteringFlag

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

//

EXPORT_C TUint16 CVPbkSimFieldTypeFilter::FilteringFlagForSimFieldType

        ( TVPbkSimCntFieldType aSimFieldType ) const

    {

    TUint16 ret = ESimFilterCriteriaNoFiltering;

    switch ( aSimFieldType )

        {

        case EVPbkSimName:

            {

            ret = ESimFilterCriteriaName;

            break;

            }

        case EVPbkSimGsmNumber:

            {

            ret = ESimFilterCriteriaGsmNumber;

            break;

            }

         case EVPbkSimAdditionalNumber1:  // FALLTHROUGH

         case EVPbkSimAdditionalNumber2:  // FALLTHROUGH

         case EVPbkSimAdditionalNumber3:  // FALLTHROUGH

         case EVPbkSimAdditionalNumberLast: // the same as EVPbkSimAdditionalNumber.

            {

            ret = ESimFilterCriteriaAdditionalNumber;

            break;

            }

        case EVPbkSimNickName:  // FALLTHROUGH

        case EVPbkSimReading:

            {

            ret = ESimFilterCriteriaSecondName;

            break;

            }

        case EVPbkSimEMailAddress:

            {

            ret = ESimFilterCriteriaEmailAddress;

            break;

            }

        default:

            {

            ret = ESimFilterCriteriaFilterOut;

            break;

            }

        }

    return ret;

    }

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

// CVPbkSimFieldTypeFilter::FilteringCriteria

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

//

EXPORT_C TUint16 CVPbkSimFieldTypeFilter::FilteringCriteria() const

    {

    return iFilteringCriteria;

    }

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

// CVPbkSimFieldTypeFilter::ExternalizeLC

//  SIM field type filter package format 1:

//  stream ^= VersionNumber FilteringFlags

//  FilteringFlags ^= TInt16

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

//

EXPORT_C HBufC8* CVPbkSimFieldTypeFilter::ExternalizeLC() const

    {

    const TInt bufferSize = DoCalculateBufferSize();

    HBufC8* buffer = HBufC8::NewLC( bufferSize );

    TPtr8 bufPtr( buffer->Des() );

    RDesWriteStream writeStream( bufPtr );

    writeStream.PushL();

    DoFillBuffer( writeStream, *this );

    writeStream.CommitL();

    CleanupStack::PopAndDestroy( &writeStream );

    return buffer;

    }

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

// CVPbkSimFieldTypeFilter::InternalizeL

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

//

EXPORT_C void CVPbkSimFieldTypeFilter::InternalizeL( const TDesC8& aBuffer )

    {

    // Reset

    iFilteringCriteria = ESimFilterCriteriaNoFiltering;

    RDesReadStream readStream( aBuffer );

    readStream.PushL();

    // Version number

    const TInt vsn = readStream.ReadUint8L();

    if ( vsn != KSimFieldTypeFilterStatic::KFilterVersionNumber )

        {

        User::Leave( KErrNotSupported );

        }

    // Read criteria

    iFilteringCriteria = readStream.ReadUint16L();

    CleanupStack::PopAndDestroy( &readStream );

    }

//  End of File