installationservices/swi/source/swis/server/expressionevaluator.inl
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 12:06:03 +0200
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Revision: 201001 Kit: 201004
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/*
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* Copyright (c) 2005-2009 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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* TExpressionResult
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*
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*/
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inline TExpressionResult::TType TExpressionResult::Type() const
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	{
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	return iType;	
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	}
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inline TExpressionResult operator!=(const TExpressionResult& aLhs, const TExpressionResult& aRhs)
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	{
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	if (aLhs.Type()!=aRhs.Type())
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		{
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		User::Leave(KErrInvalidExpression);
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		}
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	if (aLhs.Type()==TExpressionResult::EInt)
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		{
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		return aLhs.IntegerValueL()!=aRhs.IntegerValueL();
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		}
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	else
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		{
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		return aLhs.StringValueL()!=aRhs.StringValueL();
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		}
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	}
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inline TExpressionResult operator==(const TExpressionResult& aLhs, const TExpressionResult& aRhs)
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	{
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	if (aLhs.Type()!=aRhs.Type())
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		{
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		User::Leave(KErrInvalidExpression);
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		}
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	if (aLhs.Type()==TExpressionResult::EInt)
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		{
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		return aLhs.IntegerValueL()==aRhs.IntegerValueL();
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		}
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	else
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		{
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		return aLhs.StringValueL()==aRhs.StringValueL();
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		}
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	}
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inline TExpressionResult operator<(const TExpressionResult& aLhs, const TExpressionResult& aRhs)
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	{
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	if (aLhs.Type()==TExpressionResult::EInt && aRhs.Type()==TExpressionResult::EInt)
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		{
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		return aLhs.IntegerValueL() < aRhs.IntegerValueL();
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		}
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	User::Leave(KErrInvalidExpression);
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	return TExpressionResult(0); // Never Reached
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	}
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inline TExpressionResult operator>(const TExpressionResult& aLhs, const TExpressionResult& aRhs)
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	{
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	if (aLhs.Type()==TExpressionResult::EInt && aRhs.Type()==TExpressionResult::EInt)
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		{
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		return aLhs.IntegerValueL() > aRhs.IntegerValueL();
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		}
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	User::Leave(KErrInvalidExpression);
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	return TExpressionResult(0); // Never Reached
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	}
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inline TExpressionResult operator<=(const TExpressionResult& aLhs, const TExpressionResult& aRhs)
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	{
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	if (aLhs.Type()==TExpressionResult::EInt && aRhs.Type()==TExpressionResult::EInt)
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		{
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		return aLhs.IntegerValueL() <= aRhs.IntegerValueL();
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		}
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	User::Leave(KErrInvalidExpression);
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	return TExpressionResult(0); // Never Reached
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	}
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inline TExpressionResult operator>=(const TExpressionResult& aLhs, const TExpressionResult& aRhs)
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	{
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	if (aLhs.Type()==TExpressionResult::EInt && aRhs.Type()==TExpressionResult::EInt)
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		{
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		return aLhs.IntegerValueL() >= aRhs.IntegerValueL();
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		}
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	User::Leave(KErrInvalidExpression);
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	return TExpressionResult(0); // Never Reached
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	}
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inline TExpressionResult operator!(const TExpressionResult& aExpression)
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	{
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	if (aExpression.Type()!=TExpressionResult::EInt)
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		{
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		User::Leave(KErrInvalidExpression);
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		}
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	return TExpressionResult(!aExpression.IntegerValueL()); // Will Never Leave
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	}