bintools/rcomp/inc/NUMVAL.H
author jjkang
Fri, 25 Jun 2010 18:11:34 +0800
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/*
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* Copyright (c) 1997-2009 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 the License "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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*
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*/
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#ifndef __NUMVAL_H__
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#define __NUMVAL_H__
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#include "DATATYPE.H"
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class String;
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class ResourceDataStream;
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class NumericValue
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	{
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    friend class String;
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    friend RCBinaryStream& operator<<(RCBinaryStream& os,NumericValue aValue);
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public:
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	NumericValue(const String & Source, DataType NumericValueType);
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	NumericValue(DataType NumericValueType);
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	NumericValue(unsigned long ValueToSet, DataType NumericValueType);
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	~NumericValue();
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	NumericValue(const NumericValue & Source);
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	const unsigned char* Data() const;
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	unsigned long Size() const;
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	DataType NumericValueType() const;
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	unsigned long GetULong() const;
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	long GetLong() const;
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	NumericValue& operator=(unsigned long aValueToSet);
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	static String ltoa(long aValue);
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	static bool CheckSigned(unsigned long aValue,DataType NumericValueType);
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	void StreamOut(ResourceDataStream& aStream) const;
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private:
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	void AllocateSpace();
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	void ConvertToNumber(const String& aSource);
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	void ConvertToDouble(const String& aSource);
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	void ConvertToNatural(const String& aSource);
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	void StoreValue(unsigned long aLongValue);
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private:	
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	unsigned long iSize;
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	DataType iNumericValueType;
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	unsigned char* iData;
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	unsigned long iULongValue;
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	long iSignedValue;
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	double iDoubleValue;
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	};
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#endif