--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pimappsupport/vcardandvcal/src/VersitAdditionalStorage.cpp	Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,126 @@
+// Copyright (c) 1997-2009 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:
+//
+
+#include "VersitAdditionalStorage.h"
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include "versit_internal.h"
+#endif
+
+// User includes
+#include <versit.h>
+
+// Constants
+const TInt KVersitAdditionalStorageArrayGranularity = 2;
+
+class TVersitAdditionalStorageItem
+/** 
+@internalComponent
+@released
+*/
+    {
+public:
+    inline TVersitAdditionalStorageItem(const TAny* aKey, CBase* aValue)
+    :   iKey(aKey), iValue(aValue)
+        {
+        }
+
+public:
+    const TAny* iKey;
+    CBase* iValue;
+    };
+
+
+
+
+CVersitAdditionalStorage::CVersitAdditionalStorage()
+:   iStorage(KVersitAdditionalStorageArrayGranularity)
+    {
+    }
+
+
+CVersitAdditionalStorage::~CVersitAdditionalStorage()
+    {
+    const TInt count = iStorage.Count();
+    for(TInt i=0; i<count; i++)
+        {
+        TVersitAdditionalStorageItem& item = iStorage[i];
+        delete item.iValue;
+        }
+    iStorage.Close();
+    }
+
+
+CVersitAdditionalStorage* CVersitAdditionalStorage::NewL()
+    {
+    return new(ELeave) CVersitAdditionalStorage();
+    }
+
+
+void CVersitAdditionalStorage::AddToStorageL(const TAny* aKey, CBase* aValue)
+    {
+    __ASSERT_ALWAYS(aValue != NULL, Panic(EVersitPanicNullValueAssignedToAdditionalStorageSlot));
+
+    // Check if an additional value has already been stored for this item
+    CBase* value = FromStorage(aKey);
+    __ASSERT_ALWAYS(value == NULL, Panic(EVersitPanicAdditionalStorageSlotAlreadyInUse));
+
+    // Create new item
+    TVersitAdditionalStorageItem newItem(aKey, aValue);
+    User::LeaveIfError(iStorage.Append(newItem));
+    }
+
+
+CBase* CVersitAdditionalStorage::FromStorage(const TAny* aKey)
+    {
+    CBase* value = NULL;
+    TInt index = KErrNotFound;
+    TVersitAdditionalStorageItem* item = ItemByKey(aKey, index);
+    if  (item)
+        {
+        value = item->iValue;
+        }
+    return value;
+    }
+
+void CVersitAdditionalStorage::FreeStorage(const TAny* aKey)
+    {
+    TInt index = KErrNotFound;
+    TVersitAdditionalStorageItem* item = ItemByKey(aKey, index);
+    if  (item)
+        {
+        delete item->iValue;
+        iStorage.Remove(index);
+        }
+    }
+
+TVersitAdditionalStorageItem* CVersitAdditionalStorage::ItemByKey(const TAny* aKey, TInt& aIndex)
+    {
+    TVersitAdditionalStorageItem* foundItem = NULL;
+    TVersitAdditionalStorageItem searchFor(aKey, NULL);
+    TIdentityRelation<TVersitAdditionalStorageItem> relation(ItemsMatch);
+    //
+    aIndex = iStorage.Find(searchFor, relation);
+    if  (aIndex >= 0)
+        {
+        foundItem = &iStorage[aIndex];
+        }
+    //
+    return foundItem;
+    }
+
+TBool CVersitAdditionalStorage::ItemsMatch(const TVersitAdditionalStorageItem& aLeft, const TVersitAdditionalStorageItem& aRight)
+    {
+    return aLeft.iKey == aRight.iKey;
+    }