diff -r 000000000000 -r bde4ae8d615e os/textandloc/textrendering/texthandling/sfields/FLDBASE.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/textandloc/textrendering/texthandling/sfields/FLDBASE.CPP Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,75 @@ +/* +* 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 "FLDBASE.H" +#include "FLDSTD.H" + + +/////////////////////////////////////// +// CTextField +/////////////////////////////////////// + + +EXPORT_C TStreamId CTextField::StoreL(CStreamStore& aStore) const +// Assumes everything goes into the head stream. +// (Must be replaced by concrete pictures that have components) +/** Stores the field data to a stream store. Concrete field types with no persistent +data should override this function to return KNullStreamId. + +@param aStore Stream store to which the field data is written. +@return The ID of the stream store. */ + { + RStoreWriteStream stream; + TStreamId id=stream.CreateLC(aStore); + stream<< *this; // provided by the concrete field + stream.CommitL(); + CleanupStack::PopAndDestroy(); + return id; + } + + +EXPORT_C void CTextField::RestoreL(const CStreamStore& aStore,TStreamId aStreamId) +// Creates a read-stream over aStore, and opens it over the specified stream ID. +// + /** Restores the field data from a stream store. Concrete field types with no persistent + data should override this function to do nothing. + + @param aStore Stream store containing the field data to restore. + @param aId The ID of the stream store in which the field data was previously + stored. */ + { + RStoreReadStream stream; + stream.OpenLC(aStore,aStreamId); + stream>> *this; + CleanupStack::PopAndDestroy(); + } + + + +EXPORT_C void CTextField::ExternalizeL(RWriteStream& /*aStream*/)const +// + /** Externalises the field data. Called by StoreL(). + + Calling this default implementation raises a panic. Concrete field classes + with persistent data must provide their own implementation of this function. + Concrete field classes with no persistent data must provide a StoreL() implementation + that just returns KNullStreamId. + + @param aStream Not used. */ + {Panic(EDefaultFieldExternalizeCalled);} +