--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/CoreUtilsLib2/SrvInc/PEngMessagePacker.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,163 @@
+/*
+* Copyright (c) 2005 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:  Collection of tools used to pack and unpack
+*                data transferred over IPC.
+*
+*/
+
+#ifndef __PENGMESSAGEPACKER_H__
+#define __PENGMESSAGEPACKER_H__
+
+//  INCLUDES
+#include <E32Base.h>
+#include <Badesca.h>
+
+
+// CLASS DECLARATION
+
+/**
+ * Collection of tools used to pack and unpack
+ * data transferred over IPC.
+ *
+ * @since 3.0
+ */
+class PEngMessagePacker
+    {
+    public:  //Packing and adding to descriptor array
+
+        /**
+         * Calculating descriptor array package size.
+         * Overloads for array of buffer.
+         */
+        IMPORT_C static TInt DesArrayPackageSize( const MDesCArray& aDesArray );
+        IMPORT_C static TInt DesArrayPackageSize( const TDesC& aDesAsArray );
+
+
+        /**
+         * Packing descriptor array to new or existing buffer.
+         *
+         * New buffer variant returns buffer ownership to caller.
+         */
+        IMPORT_C static HBufC16* PackDesArrayL( const MDesCArray& aDesArray );
+        IMPORT_C static TInt PackDesArray( TDes& aBuffer,
+                                           const MDesCArray& aDesArray );
+
+
+        /**
+         * Packing one descriptor as descriptor array
+         * to new or existing buffer.
+         *
+         * New buffer variant returns buffer ownership to caller.
+         */
+        IMPORT_C static HBufC16* PackOneDesAsArrayL( const TDesC& aDes );
+        IMPORT_C static TInt PackOneDesAsArray( TDes& aBuffer,
+                                                const TDesC& aDes );
+
+
+        /**
+         * Adding a descriptor to existing descriptor array package.
+         */
+        IMPORT_C static TInt AppendToDesArray( TDes& aBuffer,
+                                               const TDesC& aDes );
+
+
+    public:  //UnPacking the descriptor array
+
+        /**
+         * Gets element count from descriptor array package.
+         */
+        IMPORT_C static TInt DesArrayCount( const TDesC& aBuffer );
+
+
+        /**
+         * Extracts descriptor array package to existing array.
+         */
+        IMPORT_C static TInt UnpackDesArrayL( const TDesC& aBuffer,
+                                              CDesCArray& aArray );
+
+        /**
+         * Extracts descriptor array package to existing pointer array.
+         */
+        IMPORT_C static TInt UnpackDesArrayL( const TDesC& aBuffer,
+                                              CPtrCArray& aArray );
+
+        /**
+         * Extracts descriptor array package to new array.
+         *
+         * Returns array ownership to caller.
+         */
+        IMPORT_C static CDesCArray* UnpackDesArrayLC( const TDesC& aBuffer );
+
+
+        /**
+         * Extracts first descriptor from descriptor
+         * array package.
+         * Returns buffer ownership to caller.
+         */
+        IMPORT_C static HBufC*  UnpackFirstDesFromArrayL( const TDesC& aBuffer );
+
+
+
+    public:  //Integer arrays
+
+        /**
+         * Calculates TInt array package size.
+         */
+        IMPORT_C static TInt TIntArrayPackageSize( TInt aElementCount );
+
+
+        /**
+         * Packs TInt array to new or existing buffer.
+         * New buffer variant returns buffer ownership to caller.
+         */
+        IMPORT_C static HBufC16* PackTIntArrayL( const RArray<TInt>& aTIntArray );
+
+        /**
+         * Resets the TInt array package to empty.
+         */
+        IMPORT_C static void ResetTIntArray( TDes& aBuffer );
+
+        /**
+         * Gets element count from TInt array package.
+         */
+        IMPORT_C static TInt TIntArrayCount( const TDesC& aBuffer );
+
+        /**
+         * Gets certain element from TInt array package.
+         */
+        IMPORT_C static TInt TIntFromArray( const TDesC& aBuffer,
+                                            TInt aIndex );
+
+    private: // private functions
+
+        /**
+         * Unpack des array
+         */
+        template<class T>
+        static TInt UnpackDesTempArrayL( const TDesC& aBuffer,
+                                         T& aArray );
+
+    private: //Prohibited constructor / destructor
+        PEngMessagePacker();
+        ~PEngMessagePacker();
+
+    };
+
+
+#endif // __PENGMESSAGEPACKER_H__
+
+
+//  End of File
+
+