javamanager/javaregistry/legacy/installedappsregistry/inc/arrayutils.inl
branchRCL_3
changeset 19 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javaregistry/legacy/installedappsregistry/inc/arrayutils.inl	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 2003 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:  Implementation of various helper functions used for
+*                serialization.
+*
+*/
+
+
+/////////////////////////////////////////////////////////////////////
+// RPointerArray utilities
+/////////////////////////////////////////////////////////////////////
+
+// -----------------------------------------------------------------------------
+// CopyPointerArrayL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+void CopyPointerArrayL(RPointerArray<T>& aNew, const RPointerArray<T>& aOld)
+{
+    for (TInt i = 0; i < aOld.Count(); ++i)
+    {
+        T* item = TTraits<T>::CopyLC(*aOld[i]);
+        User::LeaveIfError(aNew.Append(item));
+        CleanupStack::Pop(item);
+    }
+}
+
+// -----------------------------------------------------------------------------
+// ExternalizePointerArrayL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+void ExternalizePointerArrayL(const RPointerArray<T>& aArray,
+                              RWriteStream& aStream)
+{
+    aStream.WriteInt32L(aArray.Count());
+    for (TInt i = 0; i < aArray.Count(); ++i)
+    {
+        TTraits<T>::WriteToStreamL(*aArray[i], aStream);
+    }
+}
+
+// -----------------------------------------------------------------------------
+// InternalizePointerArrayL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+void InternalizePointerArrayL(RPointerArray<T>& aArray, RReadStream& aStream)
+{
+    TInt count = aStream.ReadInt32L();
+    for (TInt i = 0; i < count; ++i)
+    {
+        T* item = TTraits<T>::ReadFromStreamLC(aStream);
+        User::LeaveIfError(aArray.Append(item));
+        CleanupStack::Pop(item);
+    }
+}
+
+// -----------------------------------------------------------------------------
+// PointerArraySizeForStreamingL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+TInt PointerArraySizeForStreamingL(const RPointerArray<T>& aArray)
+{
+    TInt size = sizeof(TInt32);
+    for (TInt i = aArray.Count(); 0 < i;)
+    {
+        size += TTraits<T>::SizeForStreamingL(*aArray[--i]);
+    }
+    return size;
+}
+
+/////////////////////////////////////////////////////////////////////
+// RArray utilities
+/////////////////////////////////////////////////////////////////////
+
+// -----------------------------------------------------------------------------
+// CopyArrayL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+void CopyArrayL(RArray<T>& aNew, const RArray<T>& aOld)
+{
+    for (TInt i = 0; i < aOld.Count(); ++i)
+    {
+        User::LeaveIfError(aNew.Append(aOld[i]));
+    }
+}
+
+// -----------------------------------------------------------------------------
+// ExternalizeArrayL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+void ExternalizeArrayL(const RArray<T>& aArray, RWriteStream& aStream)
+{
+    aStream.WriteInt32L(aArray.Count());
+    for (TInt i = 0; i < aArray.Count(); ++i)
+    {
+        aStream.WriteL(TPckgC<T>(aArray[i]));
+    }
+}
+
+// -----------------------------------------------------------------------------
+// InternalizeArrayL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+void InternalizeArrayL(RArray<T>& aArray, RReadStream& aStream)
+{
+    TInt count = aStream.ReadInt32L();
+    for (TInt i = 0; i < count; ++i)
+    {
+        T item;
+        TPckg<T> itemPckg(item);
+        aStream.ReadL(itemPckg);
+        User::LeaveIfError(aArray.Append(item));
+    }
+}
+
+// -----------------------------------------------------------------------------
+// ArraySizeForStreamingL
+// -----------------------------------------------------------------------------
+//
+template <class T>
+TInt ArraySizeForStreamingL(const RArray<T>& aArray)
+{
+    return sizeof(TInt32) + aArray.Count() * sizeof(T);
+}
+