--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/store/UFILE/UF_PERM.CPP	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,202 @@
+// Copyright (c) 1998-2009 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 "UF_STD.H"
+
+const TInt KBaseOffset=KFileStoreStartOffset-KPermanentStoreHeaderOffset;
+#if defined(__NO_CLASS_CONSTS__)
+#define KBase TStreamPos(KBaseOffset)
+#else
+const TStreamPos KBase=TStreamPos(KBaseOffset);
+#endif
+
+EXPORT_C TUid CPermanentFileStore::Layout() const
+/** Gets the UID that uniquely identifies this file store as a permanent file store.
+
+@return KPermanentFileStoreLayoutUid. */
+	{
+	return KPermanentFileStoreLayoutUid;
+	}
+
+EXPORT_C CPermanentFileStore::CPermanentFileStore(RFile& aFile)
+//
+// Constructor creating a new file store.
+//
+	: CFileStore(aFile)/*,iCoord(NULL)*/
+	{}
+
+EXPORT_C CPermanentFileStore::CPermanentFileStore(RFileBuf& aBuf,const TUidType& aType)
+//
+// Constructor opening an existing file store.
+//
+	: CFileStore(aBuf,aType)/*,iCoord(NULL)*/
+	{}
+
+EXPORT_C void CPermanentFileStore::MarshalL()
+	{
+	__ASSERT_DEBUG(iCoord==NULL,User::Invariant());
+	iCoord=new(ELeave) CPermanentStoreCoord(KBase,Host());
+	CFileStore::MarshalL();
+	iRoot=Coord().PrimaryL();
+	}
+
+EXPORT_C CPermanentFileStore::~CPermanentFileStore()
+/** Frees resources owned by the object, prior to its destruction. */
+	{
+	Destruct();
+	delete iCoord;
+	}
+
+EXPORT_C MStreamBuf* CPermanentFileStore::DoReadL(TStreamId anId) const
+	{
+	if (iCoord==NULL)
+		__LEAVE(KErrNotFound);
+//
+	return HPermanentStoreBuf::OpenL(CoordL(),anId,HPermanentStoreBuf::ERead);
+	}
+
+EXPORT_C MStreamBuf* CPermanentFileStore::DoCreateL(TStreamId& anId)
+	{
+	return HPermanentStoreBuf::CreateL(TrimL(),anId);
+	}
+
+EXPORT_C MStreamBuf* CPermanentFileStore::DoWriteL(TStreamId anId)
+	{
+	if (iCoord==NULL)
+		__LEAVE(KErrNotFound);
+//
+	return HPermanentStoreBuf::OpenL(CoordL(),anId);
+	}
+
+EXPORT_C MStreamBuf* CPermanentFileStore::DoReplaceL(TStreamId anId)
+	{
+	if (iCoord==NULL)
+		__LEAVE(KErrNotFound);
+//
+	return HPermanentStoreBuf::ReplaceL(TrimL(),anId);
+	}
+
+EXPORT_C void CPermanentFileStore::ExternalizeL(RWriteStream& aStream) const
+//
+// Externalize this store's structure, during construction only.
+//
+	{
+	__ASSERT_DEBUG(!Host().IsActive()&&iCoord==NULL,User::Invariant());
+	TUint8 buf[-KPermanentStoreHeaderOffset];
+	Mem::FillZ(buf,sizeof(buf));
+	aStream.WriteL(buf,sizeof(buf));
+	}
+
+EXPORT_C void CPermanentFileStore::InternalizeL(RReadStream& aStream)
+//
+// Internalize this store's structure, during marshalling or refreshment.
+//
+	{
+	__ASSERT_DEBUG(!Host().IsActive(),User::Invariant());
+	Coord().InternalizeL(aStream);
+	}
+
+EXPORT_C void CPermanentFileStore::DoSetRootL(TStreamId anId)
+//
+// Set the root stream id.
+//
+	{
+	CoordL().ChangedL();
+	iRoot=anId;
+	}
+
+EXPORT_C TStreamId CPermanentFileStore::DoExtendL()
+	{
+	return CoordL().ExtendL();
+	}
+
+EXPORT_C void CPermanentFileStore::DoDeleteL(TStreamId anId)
+	{
+	if (iCoord==NULL)
+		__LEAVE(KErrNotFound);
+//
+	CoordL().DeleteL(anId);
+	}
+
+EXPORT_C void CPermanentFileStore::DoCommitL()
+//
+// Establish a new commit point, committing changes made since the last one.
+//
+	{
+	if (iCoord!=NULL&&TrimL().CommitL(iRoot))
+		{
+		return;
+		}
+//
+	SynchL();
+	}
+
+EXPORT_C void CPermanentFileStore::DoRevertL()
+//
+// Roll back to the state at the last commit point.
+//
+	{
+	CPermanentStoreCoord* coord=iCoord;
+	if (coord!=NULL&&coord->RevertL(iRoot))
+		return;
+//
+	SynchL();
+	}
+
+EXPORT_C MIncrementalCollector* CPermanentFileStore::DoReclaimL()
+	{
+	return CPermanentStoreCollector::ReclaimerL(CoordL());
+	}
+
+EXPORT_C MIncrementalCollector* CPermanentFileStore::DoCompactL()
+	{
+	return CPermanentStoreCollector::CompactorL(TrimL());
+	}
+
+CPermanentStoreCoord& CPermanentFileStore::CoordL() const
+	{
+	CPermanentStoreCoord* coord=iCoord;
+	if (coord==NULL)
+		{
+		coord=new(ELeave) CPermanentStoreCoord(KBase,Host());
+		MUTABLE_CAST(CPermanentStoreCoord*&,iCoord)=coord;
+		}
+	else if (!Host().IsActive())
+		CONST_CAST(CPermanentFileStore*,this)->RefreshL();
+	return *coord;
+	}
+
+CPermanentStoreCoord& CPermanentFileStore::TrimL()
+	{
+	CPermanentStoreCoord& coord=CoordL();
+	if (!coord.IsTrim())
+		{
+		TInt lim=coord.LimitL().Offset(); // it can be slightly smaller than this
+		TInt size=Host().HostL()->SizeL();
+		if (size>lim)
+			SetSizeL(lim);
+		coord.Clipped();
+		}
+	return coord;
+	}
+
+EXPORT_C CFileStore* CPermanentFileStore::DoNewL(RFile& aFile)
+//
+// Factory function creating a new file.
+//
+	{
+	return new(ELeave) CPermanentFileStore(aFile);
+	}
+