2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
4 * This component and the accompanying materials are made available
5 * under the terms of the License "Eclipse Public License v1.0"
6 * which accompanies this distribution, and is available
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
9 * Initial Contributors:
10 * Nokia Corporation - initial contribution.
21 #ifndef C_REGULAR_EXPRESSION_H
22 #define C_REGULAR_EXPRESSION_H
24 #include "StateMachine.h"
26 NONSHARABLE_CLASS(CRegularExpression) : public CBase
29 static CRegularExpression* NewL(RPointerArray<TDesC>* aPatterns);
30 static CRegularExpression* NewLC(RPointerArray<TDesC>* aPatterns);
31 virtual ~CRegularExpression();
33 TInt Search(const TDesC& aString);
34 TInt SearchFrom(TInt aIndex, const TDesC& aString);
37 * This routine writes into a client supplied descriptor a string that is a wildcarded version of
38 * one of the pattern matches in the engine. The pattern(statemachine) at index aPattenIndex is used.
40 * It writes characters into the supplied descriptor to a length of the maximum number of
41 * characters to match.
43 * For each character index, if there is only one possible valid character, it puts in that
44 * character. If there are more than one, then the supplied aWildcard is written in.
46 * @param aPattenIndex The index of the pattern in the engine to use.
47 * for the N patterns supplied at construction.
48 * @param aWildcardChar The character to put in the example pattern if there is no single
49 * valid character at that point
50 * @param aWildcardedPattern Descriptor to write the wildcarded matching pattern into
52 void GetWildcardVersionOfPattern( TInt aPatternIndex, TText aWildcard, TDes& aWildcardedPattern) const;
57 void ConstructL(RPointerArray<TDesC>* aPatterns);
58 virtual void GenerateStateTablesL(RPointerArray<TDesC>* aPatterns);
60 RPointerArray<CStateMachine> iStateMachines;
63 #endif // C_REGULAR_EXPRESSION_H