1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/dbms/pcdbms/Inc2/D32Map.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,86 @@
     1.4 +// Copyright (c) 2004-2009 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 +// RMap template class declaration.
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#ifndef __D32MAP_H__
    1.22 +#define __D32MAP_H__
    1.23 +
    1.24 +#include "D32Assert.h"
    1.25 +
    1.26 +/**
    1.27 +(KEY, DATA) template pair class used by RMap template class.
    1.28 +@internalComponent
    1.29 +*/
    1.30 +template <class KEY, class DATA> 
    1.31 +struct TPair
    1.32 +	{
    1.33 +	TPair(const KEY& aKey, const DATA& aData);
    1.34 +	TPair(const KEY& aKey);
    1.35 +	TPair();
    1.36 +	KEY		iKey;
    1.37 +	DATA	iData;
    1.38 +	};
    1.39 +
    1.40 +//Forward declaration
    1.41 +template <class KEY, class DATA> class RMap;
    1.42 +
    1.43 +/**
    1.44 +TMapIterator class. It describes an object which can be used as a 
    1.45 +forward read-only iterator for sequence of type RMap.
    1.46 +@internalComponent
    1.47 +*/
    1.48 +template <class KEY, class DATA> 
    1.49 +class TMapIterator
    1.50 +	{
    1.51 +public:
    1.52 +	TMapIterator(const RMap<KEY, DATA>& aMap);
    1.53 +	void Reset();
    1.54 +	TBool Next(TPair<KEY, DATA>& aPair) const;
    1.55 +private:
    1.56 +	const RMap<KEY, DATA>&	iMap;
    1.57 +	mutable TInt			iIndex;
    1.58 +	};
    1.59 +
    1.60 +/**
    1.61 +RMap template class describes an object that controls an ordered sequence of entries.
    1.62 +Each entry has a key of type KEY and an associated with it data of type DATA.
    1.63 +No entries with duplicated keys are allowed.
    1.64 +The algorithm for determining the order of two entries is provided by a TLinearOrder
    1.65 +object, supplied by the client of RMap during RMap instance construction.
    1.66 +@internalComponent
    1.67 +*/
    1.68 +template <class KEY, class DATA> 
    1.69 +class RMap
    1.70 +	{
    1.71 +	friend class TMapIterator<KEY, DATA>;
    1.72 +public:
    1.73 +	RMap(const TLinearOrder< TPair<KEY, DATA> >& aOrder);
    1.74 +	void Close();
    1.75 +	TInt Insert(const KEY& aKey, const DATA& aData);
    1.76 +	void Remove(const KEY& aKey);
    1.77 +	const DATA& operator[](const KEY& aKey) const;
    1.78 +	TInt Find(const KEY& aKey, DATA& aData) const;
    1.79 +	TInt Count() const;
    1.80 +
    1.81 +private:
    1.82 +	TLinearOrder< TPair<KEY, DATA> >	iOrder;
    1.83 +	RArray< TPair<KEY, DATA> >			iCol;
    1.84 +
    1.85 +	};
    1.86 +
    1.87 +#include "D32Map.inl"
    1.88 +
    1.89 +#endif//__D32MAP_H__