|
sl@0
|
1 |
// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
2 |
// All rights reserved.
|
|
sl@0
|
3 |
// This component and the accompanying materials are made available
|
|
sl@0
|
4 |
// under the terms of "Eclipse Public License v1.0"
|
|
sl@0
|
5 |
// which accompanies this distribution, and is available
|
|
sl@0
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
7 |
//
|
|
sl@0
|
8 |
// Initial Contributors:
|
|
sl@0
|
9 |
// Nokia Corporation - initial contribution.
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// Contributors:
|
|
sl@0
|
12 |
//
|
|
sl@0
|
13 |
// Description:
|
|
sl@0
|
14 |
//
|
|
sl@0
|
15 |
|
|
sl@0
|
16 |
#include "S32STOR.H"
|
|
sl@0
|
17 |
#include "S32FILE.H"
|
|
sl@0
|
18 |
#include "U32PERM.H"
|
|
sl@0
|
19 |
#include "S32FileIter.h"
|
|
sl@0
|
20 |
|
|
sl@0
|
21 |
/**
|
|
sl@0
|
22 |
After calling Close() RPermanentFileStoreIter instance could be used again
|
|
sl@0
|
23 |
with the same or some other CPermanentFileStore instance.
|
|
sl@0
|
24 |
*/
|
|
sl@0
|
25 |
EXPORT_C void RPermanentFileStoreIter::Close()
|
|
sl@0
|
26 |
{
|
|
sl@0
|
27 |
if(iImpl)
|
|
sl@0
|
28 |
{
|
|
sl@0
|
29 |
iImpl->Close();
|
|
sl@0
|
30 |
}
|
|
sl@0
|
31 |
delete iImpl;
|
|
sl@0
|
32 |
iImpl = NULL;
|
|
sl@0
|
33 |
}
|
|
sl@0
|
34 |
|
|
sl@0
|
35 |
/**
|
|
sl@0
|
36 |
Starts a CPermanentFileStore stream IDs iteration.
|
|
sl@0
|
37 |
@param aStore CPermanentFileStore instance, which stream IDs sequence we want to
|
|
sl@0
|
38 |
explore.
|
|
sl@0
|
39 |
@leave KErrNoMemory
|
|
sl@0
|
40 |
*/
|
|
sl@0
|
41 |
EXPORT_C void RPermanentFileStoreIter::ResetLC(const CPermanentFileStore& aStore)
|
|
sl@0
|
42 |
{
|
|
sl@0
|
43 |
__ASSERT_DEBUG(!iImpl, User::Invariant());
|
|
sl@0
|
44 |
::CleanupClosePushL(*this);
|
|
sl@0
|
45 |
CPermanentStoreCoord& coord = aStore.CoordL();
|
|
sl@0
|
46 |
CPermanentStoreToc& table = coord.TableL();
|
|
sl@0
|
47 |
iImpl = new (ELeave) RPermanentStoreTocIter(table);
|
|
sl@0
|
48 |
iImpl->ResetL();
|
|
sl@0
|
49 |
}
|
|
sl@0
|
50 |
|
|
sl@0
|
51 |
/**
|
|
sl@0
|
52 |
Retrieves the next stream ID from stream IDs sequence, controlled by CPermanentFileStore
|
|
sl@0
|
53 |
instance.
|
|
sl@0
|
54 |
@return The next stream ID or KNullStreamIdValue if there are no more stream IDs.
|
|
sl@0
|
55 |
@leave KErrNoMemory
|
|
sl@0
|
56 |
*/
|
|
sl@0
|
57 |
EXPORT_C TStreamId RPermanentFileStoreIter::NextL()
|
|
sl@0
|
58 |
{
|
|
sl@0
|
59 |
__ASSERT_DEBUG(iImpl, User::Invariant());
|
|
sl@0
|
60 |
TStreamId streamId = KNullStreamIdValue;
|
|
sl@0
|
61 |
CPermanentStoreToc::TEntry entry;
|
|
sl@0
|
62 |
while(iImpl->NextL(entry))
|
|
sl@0
|
63 |
{
|
|
sl@0
|
64 |
if((TUint32)entry.handle < KMaxStreamIdValue)
|
|
sl@0
|
65 |
{
|
|
sl@0
|
66 |
streamId = entry.handle;
|
|
sl@0
|
67 |
break;
|
|
sl@0
|
68 |
}
|
|
sl@0
|
69 |
}
|
|
sl@0
|
70 |
return streamId;
|
|
sl@0
|
71 |
}
|