1 files changed, 72 insertions, 0 deletions
diff --git a/dnn/Source.h b/dnn/Source.h
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+++ b/dnn/Source.h
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+/*
+ *	DNN - Data News Network
+ *
+ *	by Stephane Chatty
+ *
+ *	Copyright 1993-1996
+ *	Centre d'Etudes de la Navigation Aerienne (CENA)
+ *
+ *	Event sources.
+ *
+ *	$Id$
+ *	$CurLog$
+ */
+
+#ifndef DnnSource_H_
+#define DnnSource_H_
+
+#include "cplus_bugs.h"
+template <class ITEM> class CcuArrayOf;
+template <class ITEM> class CcuHashTableOf;
+class DnnTrigger;
+class DnnEvent;
+class DnnBaseReaction;
+
+
+class DnnEventSource {
+protected:
+		DnnEventSource ();
+virtual		~DnnEventSource ();
+	void	Emit (DnnEvent*);
+virtual	void	DispatchEvent (DnnEvent*) = 0;
+};
+
+class DnnEventSelector {
+public:
+		DnnEventSelector ();
+virtual		~DnnEventSelector ();
+virtual	DnnTrigger*	FindTrigger (DnnEvent*) = 0;
+};
+
+typedef int (*DnnIntExtractor) (DnnEvent*);
+
+class DnnEventIntSelector : public DnnEventSelector {
+protected:
+	DnnIntExtractor	IdExtractor;
+	int	MaxSize;
+	CcuArrayOf<DnnTrigger>	*Triggers;
+public:
+		DnnEventIntSelector (DnnIntExtractor, int);
+		~DnnEventIntSelector ();
+	DnnTrigger*	UseTrigger (int);
+	void	UnuseTrigger (int, DnnBaseReaction*);
+	DnnTrigger*	FindTrigger (DnnEvent*);
+};
+
+typedef void* (*DnnPtrExtractor) (DnnEvent*);
+
+class DnnEventPtrSelector : public DnnEventSelector {
+protected:
+	DnnPtrExtractor	PtrExtractor;
+	int	TblSize;
+	CcuHashTableOf<DnnTrigger>	*Triggers;
+public:
+		DnnEventPtrSelector (DnnPtrExtractor, int);
+		~DnnEventPtrSelector ();
+	DnnTrigger*	UseTrigger (void*);
+	void	UnuseTrigger (void*, DnnBaseReaction*);
+	DnnTrigger*	FindTrigger (DnnEvent*);
+};
+
+
+#endif	/* DnnSource_H_ */