/*

* Copyright (c) 2006 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:  Array utils

 *

*/

// INCLUDE FILES

#include    "CAArrayUtils.h"

#include    "ChatDefinitions.h"

#include    "ChatDebugPrint.h"

#include    "CAUtils.h"

const TInt KSelectionArrayGranularity = 5;

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

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

// CAArrayUtils::SetSelectionsLC()

// Returns selection array and leaves it on stack

// (other items were commented in a header).

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

//

EXPORT_C CArrayFixFlat<TInt>* CAArrayUtils::SetSelectionsLC(

    const CDesCArray& aSource1,

    const CDesCArray& aSource2 )

    {

    CArrayFixFlat<TInt>* returnArray = new ( ELeave )

    CArrayFixFlat<TInt>( KSelectionArrayGranularity );

    CleanupStack::PushL( returnArray );

    TInt source1Count( aSource1.MdcaCount() );

    TInt source2Count( aSource2.MdcaCount() );

    for ( TInt i( 0 ); i < source1Count; ++i )

        {

        for ( TInt j( 0 ); j < source2Count; ++j )

            {

            if ( aSource1.MdcaPoint( i ).CompareC( aSource2.MdcaPoint( j ) ) == 0 )

                {

                returnArray->AppendL( j );

                }

            }

        }

    return returnArray;

    }

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

// CAArrayUtils::CloneArrayLC

// (other items were commented in a header).

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

//

EXPORT_C CDesCArray* CAArrayUtils::CloneArrayLC( const MDesCArray& aSource )

    {

    TInt count( aSource.MdcaCount() );

    CDesCArray* array = new( ELeave )CDesCArrayFlat( count == 0 ? 1 : count );

    CleanupStack::PushL( array );

    for ( TInt i( 0 ); i < count; ++i )

        {

        TPtrC text( aSource.MdcaPoint( i ) );

        CHAT_DP( D_CHAT_LIT( " CloneArrayLC [%d] %S" ), i, &text );

        array->AppendL( text );

        }

    CHAT_DP_TXT( "----------------------[endClone]----------------------" );

    return array;

    }

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

// CAArrayUtils::CreateDiffLC

// (other items were commented in a header).

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

//

EXPORT_C CDesCArray* CAArrayUtils::CreateDiffLC( const CDesCArray& aArrayDiff,

                                                 const CDesCArray& aArrayTest )

    {

    CDesCArray* array = new( ELeave )CDesCArrayFlat( KArrayGranularity );

    CleanupStack::PushL( array );

    TInt count( aArrayDiff.MdcaCount() );

    for ( TInt i( 0 ); i < count; ++i )

        {

        TPtrC id( aArrayDiff.MdcaPoint( i ) );

        TInt pos( 0 );

        if ( aArrayTest.Find( id, pos, ECmpCollated ) != 0 )

            {

            // item that is in aArrayDiff, but not in aArrayTest

            // add to resulting array

            CHAT_DP( D_CHAT_LIT( " CreateDiffLC [%d] %S" ), i, &id );

            array->AppendL( id );

            }

        }

    CHAT_DP_TXT( "-----------------------[endDiff]----------------------" );

    return array;

    }

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

// CAArrayUtils::AppendArrayL

// (other items were commented in a header).

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

//

EXPORT_C void CAArrayUtils::AppendArrayL( const CDesCArray& aSource,

                                          CDesCArray& aDest )

    {

    TInt count( aSource.MdcaCount() );

    for ( TInt i( 0 ); i < count; ++i )

        {

        aDest.AppendL( aSource.MdcaPoint( i ) );

        }

    }

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

// CAArrayUtils::AppendIfNotFoundL

// (other items were commented in a header).

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

//

EXPORT_C TBool CAArrayUtils::AppendIfNotFoundL( CDesCArray& aDest, const TDesC& aPtr )

    {

    TInt pos( KErrNotFound );

    if ( aDest.Find( aPtr, pos, ECmpCollated ) != 0 )

        {

        // not found

        aDest.AppendL( aPtr );

        return ETrue;

        }

    return EFalse;

    }

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

// CAArrayUtils::DeleteIfFound

// (other items were commented in a header).

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

//

EXPORT_C TBool CAArrayUtils::DeleteIfFound( CDesCArray& aDest, const TDesC& aPtr )

    {

    TInt pos( KErrNotFound );

    if ( aDest.Find( aPtr, pos, ECmpCollated ) == 0 )

        {

        aDest.Delete( pos );

        return EFalse;

        }

    return ETrue;

    }

//  End of File