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/*
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* Copyright (c) 2002 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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*/
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#ifndef C_REGULAR_EXPRESSION_H
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#define C_REGULAR_EXPRESSION_H
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#include "StateMachine.h"
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NONSHARABLE_CLASS(CRegularExpression) : public CBase
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{
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public:
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static CRegularExpression* NewL(RPointerArray<TDesC>* aPatterns);
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static CRegularExpression* NewLC(RPointerArray<TDesC>* aPatterns);
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virtual ~CRegularExpression();
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TInt Search(const TDesC& aString);
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TInt SearchFrom(TInt aIndex, const TDesC& aString);
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/**
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* This routine writes into a client supplied descriptor a string that is a wildcarded version of
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* one of the pattern matches in the engine. The pattern(statemachine) at index aPattenIndex is used.
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*
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* It writes characters into the supplied descriptor to a length of the maximum number of
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* characters to match.
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*
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* For each character index, if there is only one possible valid character, it puts in that
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* character. If there are more than one, then the supplied aWildcard is written in.
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*
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* @param aPattenIndex The index of the pattern in the engine to use.
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* for the N patterns supplied at construction.
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* @param aWildcardChar The character to put in the example pattern if there is no single
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* valid character at that point
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* @param aWildcardedPattern Descriptor to write the wildcarded matching pattern into
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*/
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void GetWildcardVersionOfPattern( TInt aPatternIndex, TText aWildcard, TDes& aWildcardedPattern) const;
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protected:
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CRegularExpression();
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void ConstructL(RPointerArray<TDesC>* aPatterns);
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virtual void GenerateStateTablesL(RPointerArray<TDesC>* aPatterns);
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RPointerArray<CStateMachine> iStateMachines;
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};
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#endif // C_REGULAR_EXPRESSION_H
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// End of File
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