First public contribution.
1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
2 // All rights reserved.
3 // This component and the accompanying materials are made available
4 // under the terms of "Eclipse Public License v1.0"
5 // which accompanies this distribution, and is available
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
8 // Initial Contributors:
9 // Nokia Corporation - initial contribution.
14 // CompressionBookmark
18 #ifndef __COMPRESSIONBOOKMARK_H_
19 #define __COMPRESSIONBOOKMARK_H_
21 class TCompressionBookMark
24 TCompressionBookMark();
27 inline void CalculateCheckSum();
28 inline TBool IsCheckSumOk() const;
36 inline TCompressionBookMark::TCompressionBookMark() :
37 iSrcDataOffset(0), iCursorPos(0)
42 inline void TCompressionBookMark::CalculateCheckSum()
44 iCheckSum=((TUint32) iSrcDataOffset)^((TUint32) iCursorPos);
45 iCheckSum2=(1-iSrcDataOffset)+(1-iCursorPos);
48 inline TBool TCompressionBookMark::IsCheckSumOk() const
50 TBool check1=(iCheckSum==(((TUint32) iSrcDataOffset)^((TUint32) iCursorPos)));
51 TBool check2=(iCheckSum2==((1-iSrcDataOffset)+(1-iCursorPos)));
52 return (check1 && check2);
56 #endif//__COMPRESSIONBOOKMARK_H_