e32tools/e32lib/e32image/deflate/farray.h
changeset 0 044383f39525
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/e32tools/e32lib/e32image/deflate/farray.h	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,104 @@
+// Copyright (c) 1998-2009 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:
+// e32tools\petran\Szip\farray.h
+// 
+//
+
+#ifndef __FARRAY_H__
+#define __FARRAY_H__
+#include <assert.h>
+
+template <class T,TInt S> 
+class TFixedArray
+// Range checking wrapper+ class for C++ arrays
+// Can be embedded in C-objects, or used on the stack: use Reset() to zero it
+	{
+	typedef TFixedArray<T,S> ThisClass;
+public:
+	inline TFixedArray();
+	inline TFixedArray(const T* aList, TInt aLength);
+	//
+	inline void Copy(const T* aList, TInt aLength);
+	inline void Reset();		// zero fill
+	inline void DeleteAll();
+	//
+	inline TInt Count() const;
+	inline TInt Length() const;
+	// Accessors - debug range checking
+	inline T& operator[](TInt aIndex);
+	inline const T& operator[] (TInt aIndex) const;
+	// Accessors - always range checking
+	inline T& At(TInt aIndex);
+	inline const T& At(TInt aIndex) const;
+	// Provides pointers to the beginning and end of the array
+	inline T* Begin();
+	inline T* End();
+	inline const T* Begin() const;
+	inline const T* End() const;
+	//
+protected:
+	inline static TBool InRange(TInt aIndex);
+protected:
+	T iRep[S];
+	};
+
+// Template class TFixedArray
+IMPORT_C void PanicTFixedArray();
+
+template <class T,TInt S>
+inline TFixedArray<T,S>::TFixedArray()
+	{}
+template <class T,TInt S>
+inline void TFixedArray<T,S>::Copy(const T* aList,TInt aLength)
+	{assert(TUint(aLength)<=TUint(S));HMem::Copy(iRep,aList,aLength*sizeof(T));}
+template <class T,TInt S>
+inline TFixedArray<T,S>::TFixedArray(const T* aList,TInt aLength)
+	{Copy(aList,aLength);}
+template <class T,TInt S>
+inline void TFixedArray<T,S>::Reset()
+	{HMem::FillZ(iRep,sizeof(iRep));}
+template <class T,TInt S>
+inline TInt TFixedArray<T,S>::Count() const
+	{return S;}
+template <class T,TInt S>
+inline TInt TFixedArray<T,S>::Length() const
+	{return sizeof(T);}
+template <class T,TInt S>
+inline TBool TFixedArray<T,S>::InRange(TInt aIndex)
+	{return TUint(aIndex)<S;}
+template <class T,TInt S>
+inline T& TFixedArray<T,S>::operator[](TInt aIndex)
+	{assert(InRange(aIndex));return iRep[aIndex];}
+template <class T,TInt S>
+inline const T& TFixedArray<T,S>::operator[](TInt aIndex) const
+	{return const_cast<ThisClass&>(*this)[aIndex];}
+template <class T,TInt S>
+inline T& TFixedArray<T,S>::At(TInt aIndex)
+	{verify(InRange(aIndex));return iRep[aIndex];}
+template <class T,TInt S>
+inline const T& TFixedArray<T,S>::At(TInt aIndex) const
+	{return const_cast<ThisClass&>(*this).At(aIndex);}
+template <class T,TInt S>
+inline T* TFixedArray<T,S>::Begin()
+	{return &iRep[0];}
+template <class T,TInt S>
+inline T* TFixedArray<T,S>::End()
+	{return &iRep[S];}
+template <class T,TInt S>
+inline const T* TFixedArray<T,S>::Begin() const
+	{return &iRep[0];}
+template <class T,TInt S>
+inline const T* TFixedArray<T,S>::End() const
+	{return &iRep[S];}
+#endif