williamr@2: /*
williamr@2: * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
williamr@2: * All rights reserved.
williamr@2: * This component and the accompanying materials are made available
williamr@2: * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: * which accompanies this distribution, and is available
williamr@2: * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: *
williamr@2: * Initial Contributors:
williamr@2: * Nokia Corporation - initial contribution.
williamr@2: *
williamr@2: * Contributors:
williamr@2: *
williamr@2: * Description:  PosLmCategorySerialization class definition
williamr@2: *
williamr@2: */
williamr@2: 
williamr@2: 
williamr@2: #ifndef __EPOS_POSCATEGORYSERIALIZATION_H_
williamr@2: #define __EPOS_POSCATEGORYSERIALIZATION_H_
williamr@2: 
williamr@2: #include <e32base.h>
williamr@2: 
williamr@2: class CPosLandmarkCategory;
williamr@2: 
williamr@2: /**
williamr@2:  *  This class contains helper methods for landmark category serialization.
williamr@2:  *  A landmark category can be packed into a buffer with PackL method and unpacked
williamr@2:  *  back with UnpackL method.
williamr@2:  *
williamr@2:  *  @lib eposlandmarks.lib
williamr@2:  *  @since S60 3.1
williamr@2:  */
williamr@2: class PosLmCategorySerialization
williamr@2:     {
williamr@2:     public:
williamr@2:         /** Packs category object into a buffer.
williamr@2:          *
williamr@2:          *  All the data is preserved when packing. Database information is not stored.
williamr@2:          *  Packed category can be unpacked with @ref UnpackL method.
williamr@2:          *
williamr@2:          *  @param aCategory The category to be packed.
williamr@2:          *  @return The buffer with the category data packed.
williamr@2:          *          Ownership is transferred to the client.
williamr@2:          */
williamr@2:         IMPORT_C static HBufC8* PackL( const CPosLandmarkCategory& aCategory );
williamr@2: 
williamr@2:         /** Unpacks a category object, packed with @ref PackL method, from buffer.
williamr@2:          *
williamr@2:          *  All the data is preserved when packing, and restored exactly
williamr@2:          *  when unpacking. It means that category ID is valid only for the database,
williamr@2:          *  this category was read from.
williamr@2:          *
williamr@2:          *  @param aBuffer The buffer containing category.
williamr@2:          *  @return The category unpacked. Ownership is transferred to client.
williamr@2:          *  @leave KErrCorrupt if buffer does not contain valid category package.
williamr@2:          */
williamr@2:         IMPORT_C static CPosLandmarkCategory* UnpackL( const TDesC8& aBuffer );
williamr@2:     };
williamr@2: 
williamr@2: #endif // __EPOS_POSCATEGORYSERIALIZATION_H_