--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/AttributeLibrary2/Src/PEngAttributeRequestCodec.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,137 @@
+/*
+* 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:  Codec to code attribute requests.
+*
+*/
+
+#ifndef PENGATTRIBUTEREQUESTCODEC_H
+#define PENGATTRIBUTEREQUESTCODEC_H
+
+
+//  INCLUDES
+#include "MPEngPresenceAttrModel2.h"
+#include "MPEngPresenceAttrManager.h"
+
+
+#include <E32Std.h>
+
+
+
+// FORWARD DECLARATIONS
+class RWriteStream;
+class RReadStream;
+
+
+
+// CLASS DECLARATION
+
+
+/**
+ * Codec to code attribute requests.
+ *
+ * @since 3.0
+ */
+NONSHARABLE_CLASS( PEngAttributeRequestCodec )
+    {
+public: // New encode / decode functions
+
+
+
+    /**
+     * Packs a attribute model array to buffer.
+     *
+     * @since 3.0
+     * @param aModels Models to pack.
+     * @return Heap buffer containing models data.
+     * Buffer ownership is returned to caller.
+     */
+    static HBufC16* PackModelArrayL( const RPointerArray<MPEngPresenceAttrModel2>& aModels );
+
+
+    /**
+     * Extracts models from package.
+     *
+     * @since 3.0
+     * @param aModelPkg Model package to extract.
+     * @param aInstanceOptions Instance options
+     * for instantiated attribute models.
+     * @param aModels On the return contains extracted attribute models.
+     * Models are appended to array.
+     * @param  aAttributeManager The attribute manger to
+     * use in attribute model instantiation.
+     */
+    static void UnpackModelArrayL( const TDesC16& aModelPkg,
+                                   TInt aInstanceOptions,
+                                   RPointerArray<MPEngPresenceAttrModel2>& aModels,
+                                   MPEngPresenceAttrManager& aAttributeManager );
+
+
+    /**
+     * Packs a attribute fetch request.
+     *
+     * @since 3.0
+     * @param aPresenceIDs Presence ID's to pack.
+     * @param aTypes Attribute types to pack.
+     * @return Heap buffer containing fetch request data.
+     * Buffer ownership is returned to caller.
+     */
+    static HBufC16* PackFetchRequestL( const MDesCArray& aPresenceIDs,
+                                       const TArray<TUint32>& aTypes );
+
+
+    /**
+     * Extracts a attribute fetch request from package.
+     *
+     * @since 3.0
+     * @param aFetchRequestPkg Attribute fetch request package to extract.
+     * @param aPresenceIDs On the return contains extracted Presence IDs.
+     * Presence IDs are appended to the end of array.
+     * @param aTypes On the return contains extracted attribute type IDs.
+     * Attribute types are appended to the end of array.
+     */
+    static void UnpackFetchRequestL( const TDesC16& aFetchRequestPkg,
+                                     CDesCArray& aPresenceIDs,
+                                     RArray<TUint32>& aTypes );
+
+
+    /**
+     * Copies one attribute model data from source model
+     * to destination model.
+     *
+     * @since 3.0
+     * @param aSource Source model copy from.
+     * @param aDest The destination model to copy to.
+     */
+    static void CopyModelDataL( const MPEngPresenceAttrModel2& aSource,
+                                MPEngPresenceAttrModel2& aDest );
+
+
+
+
+
+private: //Helpers
+    static void WritePresenceIdL( RWriteStream& aWStream, const TDesC& aPresenceId );
+    static HBufC* ReadPresenceIdLC( RReadStream& aRStream );
+
+
+private: //protected constructor & destructor
+
+    PEngAttributeRequestCodec();
+    ~PEngAttributeRequestCodec();
+    };
+
+#endif      //PENGATTRIBUTEREQUESTCODEC_H
+
+
+// End of File