1 /*

     2 * Copyright (c) 2006-2007 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:  CFServer utils

    15 *

    16 */

    17 

    18 

    19 #ifndef CFSERVICEUTILS_H

    20 #define CFSERVICEUTILS_H

    21 

    22 

    23 #include <e32base.h>

    24 

    25 class RWriteStream;

    26 class RReadStream;

    27 

    28 /**

    29 * Context Framework Services utils class.

    30 */

    31 NONSHARABLE_CLASS( CFServiceUtils )

    32     {

    33     public:

    34     

    35         /**

    36         * Updates buffer with new data.

    37         * Creates a new buffer if needed.

    38         * 

    39         * @since S60 5.0

    40         * @param aBuffer Buffer where to copy.

    41         * @param aNewData New data what to copy.

    42         * @return None.

    43         */

    44         static void UpdateBufferL( HBufC*& aBuffer, const TDesC& aNewData );

    45 

    46         /**

    47         * Writes descriptor into stream.

    48         * First is written descriptor length and then the descriptor itself.

    49         * 

    50         * @since S60 5.0

    51         * @param aDesc Descriptor to write into stream.

    52         * @param aStream Write stream to do the writing.

    53         * @return None.

    54         */

    55         static void WriteIntoStreamL( const HBufC* const aBuf, RWriteStream& aStream );

    56 

    57         /**

    58         * Read from stream into descriptor.

    59         * First is read descriptor length and then the descriptor itself.

    60         * 

    61         * @since S60 5.0

    62         * @param aDesc Descriptor to write into stream.

    63         * @param aStream Write stream to do the writing.

    64         * @return None.

    65         */

    66         static void ReadFromStreamL( HBufC*& aBuffer, RReadStream& aStream );

    67     };

    68 

    69 #endif