1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/textrendering/texthandling/sfields/FLDBASE.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,75 @@
     1.4 +/*
     1.5 +* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +#include "FLDBASE.H"
    1.23 +#include "FLDSTD.H"
    1.24 +
    1.25 +
    1.26 +///////////////////////////////////////
    1.27 +// CTextField
    1.28 +///////////////////////////////////////
    1.29 +
    1.30 + 
    1.31 +EXPORT_C TStreamId CTextField::StoreL(CStreamStore& aStore) const
    1.32 +// Assumes everything goes into the head stream.
    1.33 +// (Must be replaced by concrete pictures that have components)
    1.34 +/** Stores the field data to a stream store. Concrete field types with no persistent 
    1.35 +data should override this function to return KNullStreamId.
    1.36 +
    1.37 +@param aStore Stream store to which the field data is written. 
    1.38 +@return The ID of the stream store. */
    1.39 +	{
    1.40 +	RStoreWriteStream stream;
    1.41 +	TStreamId id=stream.CreateLC(aStore);
    1.42 +    stream<< *this;  // provided by the concrete field
    1.43 +    stream.CommitL();
    1.44 +	CleanupStack::PopAndDestroy();
    1.45 +	return id;
    1.46 +	}
    1.47 +
    1.48 + 
    1.49 +EXPORT_C void CTextField::RestoreL(const CStreamStore& aStore,TStreamId aStreamId)
    1.50 +// Creates a read-stream over aStore, and opens it over the specified stream ID.
    1.51 +//
    1.52 +	/** Restores the field data from a stream store. Concrete field types with no persistent 
    1.53 +	data should override this function to do nothing.
    1.54 +	
    1.55 +	@param aStore Stream store containing the field data to restore. 
    1.56 +	@param aId The ID of the stream store in which the field data was previously 
    1.57 +	stored. */
    1.58 +	{
    1.59 +	RStoreReadStream stream;
    1.60 +	stream.OpenLC(aStore,aStreamId);
    1.61 +	stream>> *this;
    1.62 +	CleanupStack::PopAndDestroy();
    1.63 +	}
    1.64 +
    1.65 +
    1.66 +
    1.67 +EXPORT_C void CTextField::ExternalizeL(RWriteStream& /*aStream*/)const
    1.68 +//
    1.69 +	/** Externalises the field data. Called by StoreL().
    1.70 +	
    1.71 +	Calling this default implementation raises a panic. Concrete field classes 
    1.72 +	with persistent data must provide their own implementation of this function. 
    1.73 +	Concrete field classes with no persistent data must provide a StoreL() implementation 
    1.74 +	that just returns KNullStreamId.
    1.75 +	
    1.76 +	@param aStream Not used. */
    1.77 +	{Panic(EDefaultFieldExternalizeCalled);}
    1.78 +