1 /*

     2 * Copyright (c) 2002-2007 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: Provides functions to read and write from/to long text columns.

    15 *

    16 *

    17 */

    18 

    19 

    20 #include <s32buf.h>

    21 #include "EPos_PosLmLongTextColHandler.h"

    22 

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

    24 

    25 // -----------------------------------------------------------------------------

    26 // -----------------------------------------------------------------------------

    27 //

    28 EXPORT_C void PosLmLongTextColHandler::ReadFromLongTextColumnL(

    29     TDes& aLongText,

    30     RDbRowSet& aView,

    31     TDbColNo aCol)

    32     {

    33     aLongText.Zero();

    34 

    35     RDbColReadStream readStream;

    36     readStream.OpenLC(aView, aCol);

    37     readStream.ReadL(aLongText, readStream.Source()->SizeL() / 2);

    38     // Size is in bytes and not characters. Assume 16-bit environment.

    39     readStream.Close(); // This close call cannot be removed.

    40 

    41     CleanupStack::PopAndDestroy(&readStream);

    42     }

    43 

    44 // -----------------------------------------------------------------------------

    45 // -----------------------------------------------------------------------------

    46 //

    47 EXPORT_C void PosLmLongTextColHandler::WriteToLongTextColumnL(

    48     const TDesC& aLongText,

    49     RDbRowSet& aView,

    50     TDbColNo aCol)

    51     {

    52     RDbColWriteStream writeStream;

    53     writeStream.OpenLC(aView, aCol);

    54     writeStream.WriteL(aLongText);

    55     writeStream.Close(); // This close call cannot be removed.

    56 

    57     CleanupStack::PopAndDestroy(&writeStream);

    58     }

    59 

    60 // -----------------------------------------------------------------------------

    61 // -----------------------------------------------------------------------------

    62 //

    63 EXPORT_C HBufC* PosLmLongTextColHandler::ReadFromLongTextColumnLC(

    64     RDbRowSet& aView,

    65     TDbColNo aCol )

    66     {

    67     TInt len = aView.ColLength( aCol );

    68     if ( len > 0 )

    69         {

    70         HBufC* text = HBufC::NewLC( len );

    71         TPtr ptr = text->Des();

    72 

    73         RDbColReadStream readStream;

    74         readStream.OpenL( aView, aCol );

    75         CleanupClosePushL( readStream );

    76         readStream.ReadL( ptr, len );

    77         CleanupStack::PopAndDestroy( &readStream );

    78 

    79         return text;

    80         }

    81     else

    82         {

    83         return KNullDesC().AllocLC();

    84         }

    85     }

    86