/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

#ifndef __NUMVAL_H__

#define __NUMVAL_H__

#include "DATATYPE.H"

class String;

class ResourceDataStream;

class NumericValue

	{

    friend class String;

    friend RCBinaryStream& operator<<(RCBinaryStream& os,NumericValue aValue);

public:

	NumericValue(const String & Source, DataType NumericValueType);

	NumericValue(DataType NumericValueType);

	NumericValue(unsigned long ValueToSet, DataType NumericValueType);

	~NumericValue();

	NumericValue(const NumericValue & Source);

	const unsigned char* Data() const;

	unsigned long Size() const;

	DataType NumericValueType() const;

	unsigned long GetULong() const;

	long GetLong() const;

	NumericValue& operator=(unsigned long aValueToSet);

	static String ltoa(long aValue);

	static bool CheckSigned(unsigned long aValue,DataType NumericValueType);

	void StreamOut(ResourceDataStream& aStream) const;

private:

	void AllocateSpace();

	void ConvertToNumber(const String& aSource);

	void ConvertToDouble(const String& aSource);

	void ConvertToNatural(const String& aSource);

	void StoreValue(unsigned long aLongValue);

private:	

	unsigned long iSize;

	DataType iNumericValueType;

	unsigned char* iData;

	unsigned long iULongValue;

	long iSignedValue;

	double iDoubleValue;

	};

#endif