From bcb19dbd53973ff7efd9b2838de121d1e23430f4 Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 28 Nov 2000 14:52:15 +0000
Subject: Lots of files were added around '96

---
 dnn/Criterion.h | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100755 dnn/Criterion.h

(limited to 'dnn/Criterion.h')

diff --git a/dnn/Criterion.h b/dnn/Criterion.h
new file mode 100755
index 0000000..92dd48a
--- /dev/null
+++ b/dnn/Criterion.h
@@ -0,0 +1,103 @@
+/*
+ *	DNN - Data News Network
+ *
+ *	by Stephane Chatty
+ *
+ *	Copyright 1993-1995
+ *	Centre d'Etudes de la Navigation Aerienne (CENA)
+ *
+ *	Criteria.
+ *
+ *	$Id$
+ *	$CurLog$
+ *	Removed pragma interfaces
+ */
+
+#ifndef DnnCriterion_H_
+#define DnnCriterion_H_
+
+#include "cplus_bugs.h"
+#include "ccu/bool.h"
+#include "ccu/List.h"
+class DnnEvent;
+
+class DnnBaseCriterion {
+friend	class	DnnAndCriterion;
+friend	class	DnnOrCriterion;
+protected:
+		DnnBaseCriterion ();
+		~DnnBaseCriterion ();
+public:
+virtual	bool	Test (DnnEvent&) = 0;
+};
+
+class DnnOrCriterion;
+
+class DnnAndCriterion : public DnnBaseCriterion {
+friend	class	DnnOrCriterion;
+protected:
+	CcuListOf <DnnBaseCriterion>	Conditions;
+	bool	Test (DnnEvent&);
+public:
+		DnnAndCriterion ();
+		~DnnAndCriterion ();
+	DnnAndCriterion&	operator &= (DnnBaseCriterion&);
+	DnnAndCriterion&	operator &= (DnnOrCriterion&);
+	DnnAndCriterion&	operator &= (DnnAndCriterion&);
+};
+
+class DnnOrCriterion : public DnnBaseCriterion {
+friend	class	DnnAndCriterion;
+protected:
+	CcuListOf <DnnBaseCriterion>	Alternatives;
+	bool	Test (DnnEvent&);
+public:
+		DnnOrCriterion ();
+		~DnnOrCriterion ();
+	DnnOrCriterion&	operator |= (DnnBaseCriterion&);
+	DnnOrCriterion&	operator |= (DnnOrCriterion&);
+	DnnOrCriterion&	operator |= (DnnAndCriterion&);
+};
+
+class DnnBasicCriterion : public DnnBaseCriterion {
+protected:
+	bool  (*Check) (DnnEvent&);
+	bool Test (DnnEvent& e);
+
+public:
+		DnnBasicCriterion ();
+		DnnBasicCriterion (bool  (*c) (DnnEvent&));
+		~DnnBasicCriterion ();
+inline	void	ChangeCriterion (bool (*c) (DnnEvent&))	{Check = c; }
+};
+
+template <class T> class DnnCriterionOf : public DnnBaseCriterion {
+protected:
+	T&	Object;
+	void	(T::*Check)	(DnnEvent&);
+
+public:
+		DnnCriterionOf (T& o, void (T::*c) (DnnEvent&)) : DnnBaseCriterion (), Object (o), Check (c)	{}
+		~DnnCriterionOf ()	{}
+	bool	Test (DnnEvent& ev)	{ return (Object.*Check) (ev); }
+};
+
+#define SpecializedCriterion(R,S) \
+\
+class R : public DnnBaseCriterion { \
+\
+protected: \
+\
+    S& Body; \
+    bool  (S::*SpecializedCheck) (DnnEvent&); \
+\
+public: \
+\
+    R (S& s, bool  (S::*sc) (DnnEvent&)) : DnnBaseCriterion (), Body (s), SpecializedCheck (sc) {} \
+   ~R () {} \
+\
+    bool  Test (DnnEvent& e) { return (Body.*SpecializedCheck) (e); } \
+\
+};
+
+#endif	/* DnnCriterion_H_ */
-- 
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