diff -r 491b3ed49290 -r 65326cf895ed filemanager/bkupengine/inc/MMCScBkupArchiveUtils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/bkupengine/inc/MMCScBkupArchiveUtils.h	Wed Sep 01 12:31:07 2010 +0100
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2005 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: Declaration for MMCScBkupArchiveUtils
+*     
+*
+*/
+
+#ifndef __MMCSCBKUPARCHIVEUTILS_H__
+#define __MMCSCBKUPARCHIVEUTILS_H__
+
+// System includes
+#include <f32file.h>
+#include <s32strm.h>
+#include <babitflags.h>
+
+// User includes
+#include "TMMCScBkupArchiveVector.h"
+
+// Classes referenced
+class CMMCScBkupArchiveHeader;
+class MMMCScBkupArchiveDataInterface;
+
+// Constants
+const TInt KMMCScBkupArchiveFileFormatFirstRestorableMajorVersion = 1;
+const TInt KMMCScArchiveUidsByteCount = sizeof( TCheckedUid );
+const TInt KMMCScArchiveVersionByteCount = sizeof( TInt8 ) + sizeof( TInt8 ) + sizeof( TInt16 );
+const TInt KMMCScArchiveFooterLengthByteCount = sizeof( TUint32 );
+const TInt KMMCScArchiveFlagsByteCount = sizeof( TUint32 );
+const TInt KMMCScArchiveCrcByteCount = sizeof( TUint32 );
+const TInt KMMCScArchiveCategoryByteCount = sizeof( TUint32 );
+const TInt KMMCScSpareByteCount = 5 * sizeof(TInt32);
+const TInt KMMCScArchivePhoneModelStringLength = sizeof(TUint8);
+
+/**
+*
+*
+* @since 3.0
+*/
+class MMCScBkupArchiveUtils
+    {
+    public: // API
+
+        /**
+        *
+        */
+        static void ArchiveUidType( TUidType& aType );
+
+        /**
+        *
+        */
+        static void ArchiveCheckedUid( TCheckedUid& aCheckedUids );
+
+        /**
+        *
+        */
+        static HBufC8* PhoneModelFromArchiveLC( MMMCScBkupArchiveDataInterface& aADI );
+
+        /**
+        *
+        */
+        static void ReadPhoneValidityInformationL( RFs& aFsSession, const TDesC& aFileName, HBufC8*& aPhoneModelData, TBitFlags& aArchiveFlags, TVersion& aArchiveVersion );
+        
+        /**
+        *
+        */
+        static TVersion ArchiveRunTimeFileFormatVersion();
+
+        /**
+        *
+        */
+        static const TMMCScBkupArchiveVector& WriteHeaderL( MMMCScBkupArchiveDataInterface& aADI, TBitFlags aCategory );
+
+        /**
+        *
+        */
+        static const TMMCScBkupArchiveVector& ReadHeaderL( MMMCScBkupArchiveDataInterface& aADI, CMMCScBkupArchiveHeader& aHeader );
+
+        /**
+        *
+        */
+        static void SetArchiveContentAsValidL( RFile64& aArchive );
+
+        /**
+        *
+        */
+        static void SetFooterLengthL( RFile64& aArchive, TInt aLength );
+        
+        /**
+        *
+        */
+        static TBitFlags ReadBkUpCategoryInformationL( RFs& aFsSession, const TDesC& aFileName );
+        
+#ifdef RD_FILE_MANAGER_BACKUP
+        /**
+        *
+        */
+        static void SetArchiveCrcsL( RFile64& aArchive, TUint32 aCrc );
+        
+        /**
+        *
+        */
+        static TBool ValidateArchiveCrcsL( RFs& aFsSession, const TDesC& aFileName );
+#endif
+
+    private: // Offsets
+        enum
+            {
+            EArchiveOffsetUids = 0,
+            EArchiveOffsetFileFormatVersion = EArchiveOffsetUids + KMMCScArchiveUidsByteCount,
+            EArchiveOffsetFooterLength = EArchiveOffsetFileFormatVersion + KMMCScArchiveVersionByteCount,
+            EArchiveOffsetArchiveFlags = EArchiveOffsetFooterLength + KMMCScArchiveFooterLengthByteCount,
+            EArchiveOffsetArchivePayloadCRC = EArchiveOffsetArchiveFlags + KMMCScArchiveFlagsByteCount,
+            EArchiveOffsetArchiveCategory = EArchiveOffsetArchivePayloadCRC + KMMCScArchiveCrcByteCount,
+            EArchiveOffsetArchiveHeaderCRC = EArchiveOffsetArchiveCategory + KMMCScArchiveCategoryByteCount,
+            EArchiveOffsetPadding = EArchiveOffsetArchiveHeaderCRC + KMMCScArchiveCrcByteCount,
+            EArchiveOffsetPhoneModelStringLength = EArchiveOffsetPadding +  KMMCScSpareByteCount,
+            EArchiveOffsetPhoneModelString = EArchiveOffsetPhoneModelStringLength + KMMCScArchivePhoneModelStringLength
+            };
+
+    private: // Internal methods
+
+        /**
+        *
+        */
+        static TInt OffsetOfModelInformation();
+
+        /**
+        *
+        */
+        static HBufC8* PhoneModelFromArchiveLC( RReadStream& aStream );
+
+        /**
+        *
+        */
+        static TUint32 DefaultArchiveFlags();
+        
+        /**
+        *
+        */
+        static TBitFlags ReadArchiveFlagsL( RFile64& aFile );
+        
+        /**
+        *
+        */
+        static void ReadArchiveVersionL( RFile64& aFile, TVersion& aVersion );
+
+#ifdef RD_FILE_MANAGER_BACKUP
+        /**
+        *
+        */
+        static void SetArchiveCrcL( RFile64& aArchive, TUint32 aCrc, TUint aOffset );
+
+        /**
+        *
+        */
+        static void CalculateCrcFromArchive( TUint32& aCrc, RFile64& aArchive, TUint32 aOffset, TUint32 aLength );
+#endif
+    };
+
+
+
+
+#endif // __MMCSCBKUPARCHIVEUTILS_H__
+
+//End of File