--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IMPSengine/datautils/inc/impspacked.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 2002 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: 
+*     Packing of data for IPC between client and engine server.
+*     Data Format:
+*          integers: memory copy all in once
+*          descriptor: lenght + data bytes
+*          array: nbr-elements (n) + n * length + data bytes
+*
+*
+*/
+
+
+#ifndef TImpsPackedEntity_H
+#define TImpsPackedEntity_H
+
+//  INCLUDES
+#include "impsfields.h"
+#include "impsdata.h"
+
+
+
+// FORWARD DECLARATIONS
+class CImpsCommonGroupPropsInt;
+class CImpsPrivateGroupPropsInt;
+class CImpsGroupProps;
+
+
+// CLASS DECLARATION
+
+class TImpsPackedEntity
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * C++ default constructor.
+        * @param aBuffer buffered entity
+        */
+        IMPORT_C TImpsPackedEntity( HBufC8*& aBuffer );
+
+    public:
+
+        /**
+        * Make a packed entity
+        * @param aEntity entity to be packed
+        * @return error code
+        */
+        IMPORT_C TInt PackEntity( const CImpsFields& aEntity );
+
+        /**
+        * Open a packed entity
+        * @param aEntity entity where to place the data
+        * @return error code
+        */
+        IMPORT_C void UnpackEntityL( CImpsFields& aEntity );
+
+        /**
+        * Pack array of descriptors
+        */
+        IMPORT_C static void DoPackArray(
+            const TUint8*& aPtrStart,
+            const MDesCArray* aArray );
+
+        /**
+        * Pack a single descriptor.
+        * This is used in access client in this light way
+        */
+        static void DoPackDescriptor(
+            const TUint8*& aPtrStart,
+            const TDesC& aDescriptor );
+
+        /**
+        * Unpack a single descriptor
+        * This is used in access client in this light way
+        */
+        static void DoUnpackDescriptorLC(
+            const TUint8*& aPtrStart,
+            HBufC*& aDescriptor );
+
+        /**
+        * Unpack array of descriptors
+        */
+        IMPORT_C static void DoUnpackArrayL(
+            const TUint8*& aPtrStart,
+            CDesCArray* aArray );
+
+    private:
+
+        /**
+        * Unpacks general headers (and IM at the very moment)
+        * @param aPtr read data pointer
+        * @param aEntity internal data structure to be updated
+        */
+        void DoUnpackEntityL(
+            TUint8*& aPtr,
+            CImpsFields& aEntity );
+
+        /**
+        * Unpacks CImpsData specific data
+        * @param aPtr read data pointer
+        * @param aEntity internal data structure to be updated
+        */
+        void DoUnpackDataL(
+            TUint8*& aPtr,
+            CImpsData& aEntity );
+
+        /**
+        * Pack CImpsFields into flat memory
+        * @param aPtrStart where to start write. Increased and returned.
+        * @param aPtrEnd end of buffer
+        * @return error code
+        */
+        TInt DoPackEntity(
+            const TUint8*& aPtrStart,
+            const TUint8* aPtrEnd,
+            const CImpsFields& aEntity );
+
+        /**
+        * Pack CImpsData into flat memory
+        * @param aPtrStart where to start write. Increased and returned.
+        * @param aPtrEnd end of buffer
+        * @return error code
+        */
+        TInt DoPackData(
+            const TUint8*& aPtrStart,
+            const TUint8* aPtrEnd,
+            const CImpsData& aEntity );
+
+    private:    // Data
+        HBufC8*&    iBuffer;
+
+    };
+
+#endif      // ?INCLUDE_H   
+
+// End of File