1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/textandlocutils/numbergrouping/inc/StateMachine.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,70 @@
     1.4 +/*
     1.5 +* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +*    
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +
    1.24 +#ifndef C_STATE_MACHINE_H
    1.25 +#define C_STATE_MACHINE_H
    1.26 +
    1.27 +#include "NumberGroupingStd.h"
    1.28 +
    1.29 +NONSHARABLE_CLASS(CStateMachine) : public CBase
    1.30 +{
    1.31 +public:
    1.32 +	static CStateMachine*	NewL(TInt aMaxNumberChars, TInt aMaxNumberStates);
    1.33 +	static CStateMachine*	NewLC(TInt aMaxNumberChars, TInt aMaxNumberStates);
    1.34 +
    1.35 +	virtual ~CStateMachine();
    1.36 +
    1.37 +	void			AddStateTransistionL(TChar aChar, TInt aState, TInt aNextState);
    1.38 +	void			AddStateTransistionL(TInt aDigit, TInt aState, TInt aNextState);
    1.39 +
    1.40 +	TBool			Matches(const TDesC& aString);
    1.41 +    
    1.42 +    /**
    1.43 +    * This routine writes into a client supplied descriptor a string that is a wildcard version
    1.44 +    * of the pattern match for this state machine.  It writes characters into the supplied descriptor
    1.45 +    * to a length of the maximum number of characters to match. 
    1.46 +    * For each character index, if there is only one possible valid character, it puts in that 
    1.47 +    * character.  If there are more than one, then the supplied aWildcardChar is written in.
    1.48 +    * The character '.' in the state machine is not treated as a single character, but as a range,
    1.49 +    * and so the wildcard character is written in for the '.'.
    1.50 +    * 
    1.51 +    * aWildcardPattern must have MaxLength which is equal or greater than iMaxNumberStates
    1.52 +    * 
    1.53 +    * @param    aWildcardChar   The character to put in aExamplePattern if there is no single 
    1.54 +    *                           valid character at that point
    1.55 +    * @param    aWildcardedPattern Descriptor to write the wildcarded number pattern into
    1.56 +    */
    1.57 +    void            GetWildcardVersionOfPattern( 
    1.58 +        TText aWildcardChar, 
    1.59 +        TDes& aWildcardedPattern ) const;
    1.60 +
    1.61 +private:
    1.62 +	CStateMachine(TInt aMaxNumberChars, TInt aMaxNumberStates);
    1.63 +
    1.64 +	void			ConstructL();
    1.65 +	virtual TInt	MapIndex(TChar aChar, RArray<TInt>& aIndices);
    1.66 +	
    1.67 +	TInt**			iStateTable;
    1.68 +	TInt			iMaxNumberChars;
    1.69 +	TInt			iMaxNumberStates;
    1.70 +};
    1.71 +
    1.72 +#endif // C_STATE_MACHINE_H
    1.73 +// End of File