1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/store/USTOR/UT_Iter.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,71 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "S32STOR.H"
    1.20 +#include "S32FILE.H"
    1.21 +#include "U32PERM.H"
    1.22 +#include "S32FileIter.h"
    1.23 +
    1.24 +/**
    1.25 +After calling Close() RPermanentFileStoreIter instance could be used again
    1.26 +with the same or some other CPermanentFileStore instance.
    1.27 +*/
    1.28 +EXPORT_C void RPermanentFileStoreIter::Close()
    1.29 +	{
    1.30 +	if(iImpl)
    1.31 +		{
    1.32 +		iImpl->Close();
    1.33 +		}
    1.34 +	delete iImpl;
    1.35 +	iImpl = NULL;
    1.36 +	}
    1.37 +
    1.38 +/**
    1.39 +Starts a CPermanentFileStore stream IDs iteration.
    1.40 +@param aStore CPermanentFileStore instance, which stream IDs sequence we want to 
    1.41 +explore.
    1.42 +@leave KErrNoMemory
    1.43 +*/
    1.44 +EXPORT_C void RPermanentFileStoreIter::ResetLC(const CPermanentFileStore& aStore)
    1.45 +	{
    1.46 +	__ASSERT_DEBUG(!iImpl, User::Invariant());
    1.47 +	::CleanupClosePushL(*this);
    1.48 +	CPermanentStoreCoord& coord = aStore.CoordL();
    1.49 +	CPermanentStoreToc& table = coord.TableL();
    1.50 +	iImpl = new (ELeave) RPermanentStoreTocIter(table);
    1.51 +	iImpl->ResetL();
    1.52 +	}
    1.53 +
    1.54 +/**
    1.55 +Retrieves the next stream ID from stream IDs sequence, controlled by CPermanentFileStore 
    1.56 +instance. 
    1.57 +@return The next stream ID or KNullStreamIdValue if there are no more stream IDs.
    1.58 +@leave KErrNoMemory
    1.59 +*/
    1.60 +EXPORT_C TStreamId RPermanentFileStoreIter::NextL()
    1.61 +	{
    1.62 +	__ASSERT_DEBUG(iImpl, User::Invariant());
    1.63 +	TStreamId streamId = KNullStreamIdValue;
    1.64 +	CPermanentStoreToc::TEntry entry;
    1.65 +	while(iImpl->NextL(entry))
    1.66 +		{
    1.67 +		if((TUint32)entry.handle < KMaxStreamIdValue)
    1.68 +			{
    1.69 +			streamId = entry.handle;
    1.70 +			break;
    1.71 +			}
    1.72 +		}
    1.73 +	return streamId;
    1.74 +	}