--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/backupandrestore/backupengine/inc/sbexternalisablearray.inl Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,86 @@
+// Copyright (c) 2004-2009 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:
+// externalisablearray.inl
+// Templated RArray for serialising and deserialising simple (flat) classes
+// for transmission inside descriptors over IPC
+//
+//
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+namespace conn
+ {
+ template<class T> inline RExternalisableArray<T>* RExternalisableArray<T>::InternaliseL(const TDesC8& aExternalisedArray)
+ /**
+ Internalises an RArray of objects passed via IPC from a descriptor
+
+ @param aExternalisedArray The descriptor passed via IPC that contains the flattened array to internalise
+ @return Pointer to a newly created RExternalisableArray
+ */
+ {
+ RExternalisableArray<T>* self = new (ELeave) RExternalisableArray<T>;
+
+ CleanupStack::PushL(self);
+
+ TUint8* unpackPtr = const_cast<TUint8*>(aExternalisedArray.Ptr());
+ TInt elementCount = *reinterpret_cast<TInt*>(unpackPtr);
+
+ // point to the start of the packed elements
+ unpackPtr += sizeof(TInt);
+
+ for (TInt index = 0; index < elementCount; index++)
+ {
+ User::LeaveIfError(self->Append(*reinterpret_cast<T*>(unpackPtr)));
+ unpackPtr += sizeof(T);
+ }
+
+ CleanupStack::Pop(self);
+
+ return self;
+ }
+
+ template<class T> inline HBufC8* RExternalisableArray<T>::ExternaliseL()
+ /**
+ Externalises an RArray of objects (not pointers) into a descriptor so that the RArray
+ may be passed via IPC
+
+ @return Pointer to the created HBufC8
+ */
+ {
+ // calculate the flattened size of the array
+ TInt elementSize = sizeof(T);
+ TInt count = RArray<T>::Count();
+ TInt totalPackedSize = sizeof(TInt) + (sizeof(T) * count); // TInt stores the number of elements to be packed
+
+ // create the HBufC8 to be returned
+ HBufC8* externalisedArray = HBufC8::NewL(totalPackedSize);
+
+ TPtr8 buffer = externalisedArray->Des();
+
+ // Append the number of entries to the beginning of the array
+ buffer.Append(reinterpret_cast<TUint8*>(&count), sizeof(TInt));
+
+ // bitwise copy each entry into the buffer
+ for (TInt index = 0; index < count; index++)
+ {
+ buffer.Append(reinterpret_cast<TUint8*>(&(*this)[index]), elementSize);
+ }
+
+ return externalisedArray;
+ }
+ }