1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/store/pcstore/inc/checkeduid.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,88 @@
     1.4 +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#if !defined(__CHECKEDUID_H__)
    1.20 +#define __CHECKEDUID_H__
    1.21 +
    1.22 +#include <pcstore/pcstoredef.h>
    1.23 +#include <pcstore/uid.h>
    1.24 +
    1.25 +namespace PCStore
    1.26 +{
    1.27 +class CDes8;
    1.28 +
    1.29 +/**
    1.30 +@internalComponent
    1.31 +
    1.32 +Encapsulates a set of three unique identifiers (UIDs) which, in combination, 
    1.33 +identify a system object such as a GUI application or a DLL. The three
    1.34 +component UIDs are referred to as UID1, UID2 and UID3.
    1.35 +
    1.36 +An object of this type is referred to as a compound identifier or a UID type.
    1.37 +*/
    1.38 +class TUidType
    1.39 +	{
    1.40 +public:
    1.41 +	TUidType();
    1.42 +	TUidType(TUid aUid1);
    1.43 +	TUidType(TUid aUid1, TUid aUid2);
    1.44 +	TUidType(TUid aUid1, TUid aUid2, TUid aUid3);
    1.45 +	TBool operator !=(const TUidType& aUidType) const;
    1.46 +	TBool operator ==(const TUidType& aUidType) const ;
    1.47 +	const TUid& operator[](TInt aIndex) const;
    1.48 +	TBool IsValid() const ;
    1.49 +
    1.50 +private:
    1.51 +	TUid MostDerived() const;
    1.52 +
    1.53 +private:
    1.54 +	TUid iUid[3];
    1.55 +	};
    1.56 +
    1.57 +
    1.58 +/**
    1.59 +@internalComponent
    1.60 +
    1.61 +Packages a Uid type together with a checksum.
    1.62 +
    1.63 +@see TUidType
    1.64 +*/
    1.65 +class TCheckedUid
    1.66 +	{
    1.67 +public:
    1.68 +	TCheckedUid();
    1.69 +	TCheckedUid(const TUidType& aUidType);
    1.70 +	TCheckedUid(const CDes8& aDes);
    1.71 +	
    1.72 +	void Set(const TUidType& aUidType);
    1.73 +	void Set(const CDes8& aDes);
    1.74 +	CDes8 Des() const;
    1.75 +	const TUidType&  UidType() const;
    1.76 +
    1.77 +private:
    1.78 +	TUint Check() const;
    1.79 +
    1.80 +private:
    1.81 +	TUidType iType;
    1.82 +	TUint32 iCheck;
    1.83 +	};
    1.84 +
    1.85 +class CStoreWriteStream;
    1.86 +CStoreWriteStream& operator<<(CStoreWriteStream& aStream,const TCheckedUid& aUid);
    1.87 +
    1.88 +class CStoreReadStream;
    1.89 +CStoreReadStream& operator>>(CStoreReadStream& aStream, TCheckedUid& aUid);
    1.90 +}
    1.91 +#endif // !defined(__CHECKEDUID_H__)