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27 
28 #ifndef ADC_TKPSTAM2_HXX
29 #define ADC_TKPSTAM2_HXX
30 
31 // USED SERVICES
32 	// BASE CLASSES
33 #include <tokens/tkpcont2.hxx>
34 	// COMPONENTS
35 #include <tokens/stmstar2.hxx>
36 #include <tokens/stmstfi2.hxx>
37 
38 /**	@descr
39 	This state-machine models state transitions from one state to another
40 	per indices of branches. If the indices represent ascii-char-values,
41 	the state-machine can be used for recognising tokens of text.
42 
43 	The state-machine can be a status itself.
44 
45 	StateMachin2 needs the array-size of all stati as a guess, how many stati
46 	the state machine will contain, when at work.
47 
48 
49 **/
50 class StateMachin2
51 {
52 	public:
53 		// Types
54 		typedef StmStatu2::Branch	Branch;
55 		typedef StmStatu2 * *		StatusList;
56 
57 	//# Interface self
58 		// LIFECYCLE
59 						StateMachin2(
60 							intt			in_nStatusSize,
61 							intt			in_nInitial_StatusListSize );	/// The user of the constructor should guess
62 																			///   the approximate number of stati here to
63 																			///	  avoid multiple reallocations.
64 		/// @#AddStatus
65 		intt			AddStatus(  	/// @return the new #Status' ID
66 							DYN StmStatu2 *	let_dpStatus);
67 		/// @#AddToken
68 		void			AddToken(
69 							const char *		in_sToken,
70 							UINT16				in_nTokenId,
71 							const INT16 *		in_aBranches,
72 							INT16				in_nBoundsStatus );
73 						~StateMachin2();
74 
75 		// OPERATIONS
76 		StmBoundsStatu2 &
77 						GetCharChain(
78 							UINT16 &  		   	o_nTokenId,
79 							CharacterSource &	io_rText );
80 	private:
81 		// SERVICE FUNCTIONS
82 		StmStatu2 &		Status(
83 							intt			in_nStatusNr) const;
84 		StmArrayStatu2 &
85 						CurrentStatus() const;
86 		StmBoundsStatu2 *
87 						BoundsStatus() const;
88 
89 		/// Sets the PeekedStatus.
90 		void			Peek(
91 							intt			in_nBranch);
92 
93 		void			ResizeStati();		// Adds space for 32 stati.
94 
95 		// DATA
96 		StatusList      pStati;				///	List of Status, implemented as simple C-array of length #nStatiSpace
97 											/// with nStatiLength valid members (beginning from zero).
98 		intt			nCurrentStatus;
99 		intt			nPeekedStatus;
100 
101 		intt			nStatusSize;		/// Size of the branch array of a single status.
102 
103 		intt			nNrofStati;			/// Nr of Stati so far.
104 		intt			nStatiSpace;        /// Size of allocated array for #pStati (size in items).
105 };
106 
107 
108 
109 /**	@#AddToken
110 	@descr
111 	Adds a token, which will be recogniszeds by the
112 	statemachine.
113 
114 
115 **/
116 
117 
118 
119 #endif
120 
121 
122