1 files changed, 104 insertions, 0 deletions
diff --git a/dnn/Behaviour.h b/dnn/Behaviour.h
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--- /dev/null
+++ b/dnn/Behaviour.h
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+/*
+ *	DNN - Data News Network
+ *
+ *	by Stephane Chatty
+ *
+ *	Copyright 1993-1996
+ *	Centre d'Etudes de la Navigation Aerienne (CENA)
+ *
+ *	Behaviours.
+ *
+ *	$Id$
+ *	$CurLog$
+ */
+
+#ifndef DnnBehaviour_H_
+#define DnnBehaviour_H_
+
+#include "cplus_bugs.h"
+#include "Reaction.h"
+#include "ccu/String.h"
+#include "ccu/List.h"
+
+class DnnBehaviour;
+class DnnTransition;
+class DnnEvent;
+
+class DnnToken {
+public:
+		DnnToken ();
+virtual		~DnnToken ();
+};
+
+typedef void (DnnActivation) (DnnBaseReaction*, DnnToken*);
+typedef void (DnnAction) (DnnToken*, DnnEvent*);
+
+class DnnState {
+protected:
+	CcuString	Name;
+	CcuListOf <DnnTransition>	Transitions;
+public:
+		DnnState (const char*);
+		~DnnState ();
+	DnnTransition*	CreateTransition (const char*, DnnState*, DnnActivation*, DnnAction*);
+	void	Activate (DnnBehaviour*, DnnToken*);
+	
+};
+
+class DnnTransition {
+protected:
+	CcuString	Name;
+	DnnState*	From;
+	DnnState*	To;
+	DnnActivation*	Activation;
+	DnnAction*	Action;
+
+public:
+		DnnTransition (const char*, DnnState*, DnnState*, DnnActivation*, DnnAction*);
+		~DnnTransition ();
+inline	DnnState*	GetDestination () const	{ return To;}
+inline	DnnState*	GetOrigin () const	{ return From;}
+	void	Activate (DnnBaseReaction*, DnnToken*);
+	DnnState*	Fire (DnnToken*, DnnEvent*);
+};
+
+
+class DnnBehaviourModel {
+protected:
+	DnnState*	Initial;
+	CcuListOf <DnnState>	States;
+public:
+		DnnBehaviourModel ();
+		~DnnBehaviourModel ();
+inline	DnnState*	GetInitial () const	{ return Initial; }
+inline	void	SetInitial (DnnState* s)	{ Initial = s; }
+	DnnState*	CreateState (const char* = 0);
+};
+
+class DnnBehaviour {
+friend	class	DnnBehaviourReaction;
+protected:
+	DnnBehaviourModel*	TheModel;
+	DnnState*	CurState;
+	CcuListOf <DnnBaseReaction>	CurReactions;
+	DnnToken*	CurToken;
+	void	Fire (DnnTransition*, DnnEvent*);
+public:
+		DnnBehaviour (DnnBehaviourModel&, DnnToken*);
+		~DnnBehaviour ();
+inline	void	AddReaction (DnnBaseReaction* r) { CurReactions.Append (r); }
+
+};
+
+class DnnBehaviourReaction : public DnnBaseReaction {
+protected:
+	DnnBehaviour*	TheBehaviour;
+	DnnTransition*	TheTransition;
+public:
+		DnnBehaviourReaction (DnnBehaviour*, DnnTransition*);
+		~DnnBehaviourReaction ();
+	void	Manage (DnnEvent&);
+};	
+
+#endif	/* DnnBehaviour_H_ */
+