--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fbs/fontandbitmapserver/sfbs/ShiftedFileStore.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,73 @@
+// Copyright (c) 2003-2009 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 "ShiftedFileStore.h"
+
+/**
+@internalComponent
+CShiftedFileStore::OpenLC(RFs& aFs, const TDesC& aName, TUint aFileMode, TUint aFileOffset) method.
+CFileStore::OpenL(RFs& aFs,const TDesC& aName,TUint aFileMode,const TFileStoreFactoryFunction aFactory[])
+method was used as an origin for the method's source code.
+*/
+CShiftedFileStore* CShiftedFileStore::OpenLC(RFs& aFs, const TDesC& aName, TUint aFileMode, TUint aFileOffset)
+	{
+	RFile file;
+	User::LeaveIfError(file.Open(aFs, aName, aFileMode));
+	CShiftedFileStore* store = FromL(file, aFileOffset);
+	CleanupStack::PushL(store);
+	return store;
+	}
+
+/**
+@internalComponent
+CShiftedFileStore::FromL(RFile& aFile, TUint aFileOffset) method.
+CFileStore::FromL(RFile& aFile,TFileStoreFactoryFunction aFunction) method was used as an origin
+for the method's source code. The only difference is that RFileBuf::Attach is called with possibly
+non-zero offset. The original implementation always calls RFileBuf::Attach with zero offset.
+*/
+CShiftedFileStore* CShiftedFileStore::FromL(RFile& aFile, TUint aFileOffset)
+	{
+	if (static_cast<TInt>(aFileOffset) < 0)
+		User::Leave(KErrArgument);
+	RFileBuf buf;
+	buf.Attach(aFile, static_cast <TInt> (aFileOffset));
+	buf.PushL();
+	RReadStream stream(&buf);
+	TCheckedUid chk;
+	stream >> chk;
+	CFileStore* store = (*KDirectFileStoreFactoryFunction)(buf, chk.UidType());
+	if(store == NULL)
+		User::Leave(KErrNotSupported);
+	//CleanupStack::Pop(2) is called, because:
+	//1) buf.PushL() - actually MStreamBuf::PushL() is called and it pushes buf 
+	//                 into CleanupStack.
+	//1) CFileStore* store = (*KDirectFileStoreFactoryFunction)(buf, chk.UidType()) -
+	//                 FileStoreFactory::DirectLC() is called.
+	CleanupStack::Pop(2);
+	return static_cast <CShiftedFileStore*> (store);
+	}
+
+/**
+@internalComponent
+Constructor. Prevents compiler warnings.
+Actually, CShiftedFileStore instance is newer created. CFileStore or CDirectFileStore
+instance is created and downcasted to CShiftedFileStore. It is possible to do that:
+CShiftedFileStore doesn't have data members at all.
+*/
+CShiftedFileStore::CShiftedFileStore(RFile& aFile) :
+	CDirectFileStore(aFile)
+	{
+	}
+