--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imservices/searchfeatureplugin/srcsearchdatamodel/searchapidataobjfactory.inl	Thu Dec 17 08:54:49 2009 +0200
@@ -0,0 +1,188 @@
+/*
+* Copyright (c) 2007 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:  Inline methods for codec to pack and unpack data objects.
+*
+*/
+
+
+#include <e32base.h>
+#include <ximpapidataobjbase.h>
+
+#include "searchtypehelpers.h"
+#include "searchobjectfactory.h"
+
+
+#include "searchinfoimp.h"
+
+//DATA TYPES
+
+
+// ============================ MEMBER FUNCTIONS =============================
+
+/**
+ * Type definition for exact API data object constructor signature.
+ */
+typedef CXIMPApiDataObjBase* (*TApiDataObjConstructor)( RReadStream& );
+
+
+
+/**
+ * Structure for mapping data object interface IDs to
+ * to corect API data object constructors.
+ */
+struct SApiDataObjConstructorMap
+    {
+    //Interface id
+    TInt32    iInterfaceId;
+
+    //Function pointer to data object interface implementation
+    TApiDataObjConstructor iConstructorPtr;
+    } ;
+
+
+
+/**
+ * Helper macro to initialise KApiDataObjConstructorTable members.
+ *
+ * Macro forces that each data object implementation class to have static
+ * NewFromStreamLC() member function to instantiate the object.
+ *
+ * See TApiDataObjConstructor type definition for exact constructor
+ * signature.
+ */
+#define CONSTRUCTOR_ENTRY( TheImplementedIf, TheClass ) \
+    { TheImplementedIf::KInterfaceId, TheClass::NewFromStreamLC } \
+
+/**
+ * Constructor function mapping for data object interface implementations.
+ *
+ * When new data object types are implemented, add them here.
+ */
+
+const SApiDataObjConstructorMap KApiDataObjConstructorTable[] =
+    {
+    CONSTRUCTOR_ENTRY( MSearchInfo, CSearchInfoImp  ),
+    };
+
+
+/**
+ * Count of constructor mappings.
+ */
+const TInt KApiDataObjConstructorCount 	= sizeof( KApiDataObjConstructorTable )
+                                       / sizeof( SApiDataObjConstructorMap );
+
+
+
+// ============================ HELPER FUNCTIONS =============================
+
+
+namespace {
+
+    /**
+     * Helper function to locate constructor function for
+     * data object interface ID.
+     *
+     * @param aDataObjInterfaceId The data object interface ID.
+     * @return Data object constructor function.
+     */
+    TApiDataObjConstructor ConstructorForInterface( TInt32 aDataObjInterfaceId )
+    {
+        //Locate correct constructor
+        for( TInt ix = 0; ix < KApiDataObjConstructorCount; ix++ )
+        {
+           const SApiDataObjConstructorMap map = KApiDataObjConstructorTable[ ix ];
+            if( map.iInterfaceId == aDataObjInterfaceId )
+            {
+                return map.iConstructorPtr;
+            } 
+        }
+
+
+        //If assertion below fails, check that data object implementation
+        //class implementing requested data object interface (aDataObjInterfaceId)
+        //is registered to KApiDataObjConstructorTable
+        __ASSERT_DEBUG( EFalse,
+                User::Panic( _L("ImObjectFactory"), KErrUnknown ) );
+
+        return NULL;
+    }
+
+    /**
+     * Helper function to instantiate new data object object
+     * of requested type and construct it from the stream.
+     *
+     * @param aDataObjInterfaceId
+     * @return Data object constructor function.
+     */
+    CXIMPApiDataObjBase* NewDataObjectFromStreamLC( TInt32 aDataObjInterfaceId,
+            RReadStream& aStream )
+    {
+        TApiDataObjConstructor newFromStreamLC = NULL;
+
+        //Locate correct constructor for interface ID
+        newFromStreamLC = ConstructorForInterface( aDataObjInterfaceId );
+
+        //Instantiate the object
+        CXIMPApiDataObjBase* dataObject = newFromStreamLC( aStream );
+
+        return dataObject;
+    }
+
+} // namespace
+
+// ---------------------------------------------------------------------------
+// SearchApiDataObjFactory::InternalizeL
+// ---------------------------------------------------------------------------
+//
+template< class INFOIMP >
+inline void CSearchApiDataObjFactory::InternalizeL( 
+        RReadStream& aStream,
+        RPointerArray<INFOIMP>& aArray )
+    {
+    TInt32 arrLen = aStream.ReadInt32L();
+
+    for ( TInt i = 0; i < arrLen; i++ )
+        {
+        TInt paramType = aStream.ReadInt32L();
+        INFOIMP* infoObj = ( INFOIMP* ) NewDataObjectFromStreamLC( paramType, aStream );
+        aArray.AppendL( infoObj );
+        CleanupStack::Pop( infoObj );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// SearchApiDataObjFactory::ExternalizeL
+// ---------------------------------------------------------------------------
+//
+template <class INFOIMP>
+inline void CSearchApiDataObjFactory::ExternalizeL( 
+        RWriteStream& aWs,
+        const RPointerArray<INFOIMP>& aArray )
+    {
+    aWs.WriteInt32L( aArray.Count() ); // array length
+
+    for ( TInt i = 0; i < aArray.Count(); i++ )
+        {
+        INFOIMP* infoField = aArray[ i ];
+
+        // write the type
+        aWs.WriteInt32L( infoField->Base().GetInterfaceId() );
+
+        // write the actual object
+        infoField->ExternalizeL( aWs );
+        }
+
+    aWs.CommitL();
+    }
+