e32tools/elf2e32/source/farray.h
author Alex Gilkes <alex.gilkes@nokia.com>
Tue, 27 Oct 2009 16:36:35 +0000
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// @internalComponent
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// @released
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// 
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//
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#ifndef __FARRAY_H__
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#define __FARRAY_H__
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#include <cassert>
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template <class T,TInt S> 
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class TFixedArray
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// Range checking wrapper+ class for C++ arrays
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// Can be embedded in C-objects, or used on the stack: use Reset() to zero it
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	{
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	typedef TFixedArray<T,S> ThisClass;
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public:
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	inline TFixedArray();
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	inline TFixedArray(const T* aList, TInt aLength);
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	//
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	inline void Copy(const T* aList, TInt aLength);
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	inline void Reset();		// zero fill
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	inline void DeleteAll();
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	//
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	inline TInt Count() const;
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	inline TInt Length() const;
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	// Accessors - debug range checking
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	inline T& operator[](TInt aIndex);
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	inline const T& operator[] (TInt aIndex) const;
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	// Accessors - always range checking
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	inline T& At(TInt aIndex);
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	inline const T& At(TInt aIndex) const;
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	// Provides pointers to the beginning and end of the array
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	inline T* Begin();
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	inline T* End();
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	inline const T* Begin() const;
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	inline const T* End() const;
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	//
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protected:
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	inline static TBool InRange(TInt aIndex);
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protected:
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	T iRep[S];
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	};
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template <class T,TInt S>
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inline TFixedArray<T,S>::TFixedArray()
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	{}
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template <class T,TInt S>
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inline void TFixedArray<T,S>::Copy(const T* aList,TInt aLength)
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	{
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	// Never used. 
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    assert(TUint(aLength)<=TUint(S));
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    // HMdem::Copy(iRep,aList,aLength*sizeof(T));
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    }
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template <class T,TInt S>
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inline TFixedArray<T,S>::TFixedArray(const T* aList,TInt aLength)
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	{Copy(aList,aLength);}
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template <class T,TInt S>
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inline void TFixedArray<T,S>::Reset()
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	{memset(iRep,0,sizeof(iRep));}
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template <class T,TInt S>
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inline TInt TFixedArray<T,S>::Count() const
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	{return S;}
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template <class T,TInt S>
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inline TInt TFixedArray<T,S>::Length() const
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	{return sizeof(T);}
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template <class T,TInt S>
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inline TBool TFixedArray<T,S>::InRange(TInt aIndex)
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	{return TUint(aIndex)<S;}
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template <class T,TInt S>
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inline T& TFixedArray<T,S>::operator[](TInt aIndex)
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	{assert(InRange(aIndex));return iRep[aIndex];}
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template <class T,TInt S>
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inline const T& TFixedArray<T,S>::operator[](TInt aIndex) const
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	{return const_cast<ThisClass&>(*this)[aIndex];}
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template <class T,TInt S>
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inline T& TFixedArray<T,S>::At(TInt aIndex)
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	{verify(InRange(aIndex));return iRep[aIndex];}
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template <class T,TInt S>
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inline const T& TFixedArray<T,S>::At(TInt aIndex) const
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	{return const_cast<ThisClass&>(*this).At(aIndex);}
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template <class T,TInt S>
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inline T* TFixedArray<T,S>::Begin()
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	{return &iRep[0];}
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template <class T,TInt S>
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inline T* TFixedArray<T,S>::End()
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	{return &iRep[S];}
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template <class T,TInt S>
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inline const T* TFixedArray<T,S>::Begin() const
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	{return &iRep[0];}
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template <class T,TInt S>
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inline const T* TFixedArray<T,S>::End() const
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	{return &iRep[S];}
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#endif
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