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9775fa6110
Macro NO_CXX_EXCEPTION was removed from code. Method Raise() was replaced by explicit throw statement. Method Standard_Failure::Caught() was replaced by normal C++mechanism of exception transfer. Method Standard_Failure::Caught() is deprecated now. Eliminated empty constructors. Updated samples. Eliminate empty method ChangeValue from NCollection_Map class. Removed not operable methods from NCollection classes.
61 lines
2.2 KiB
Plaintext
61 lines
2.2 KiB
Plaintext
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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//#include <Interface_Recognizer.ixx>
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#include <Standard_NoSuchObject.hxx>
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// ATTENTION : TransRecognizer a exactement le meme code ...
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// Mais produit un Transient au lieu d un Persistent
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// Principe : a un objet de depart (cle), un Recognizer tente d'associer un
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// resultat. La classe Recognizer offre le mecanisme general gerant cela
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// Chaque classe particuliere (une fois definie l'instanciation) doit fournir
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// une methode specifique Eval, qui opere la correspondance
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// Eval considere l'objet par tous moyens appropries, et en cas de succes,
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// appelle SetOK(result) puis sort (return)
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// en cas d'echec, suite au retour d'Eval, Recognizer sait que SetOK n'a pas
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// ete appele
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Interface_Recognizer::Interface_Recognizer ()
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{ hasnext = Standard_False; }
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//thekey.Nullify(); inutile, fait par le constructeur ...
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Standard_Boolean Interface_Recognizer::Evaluate
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(const TheKey& akey, Handle(TheResul)& res)
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{
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theres.Nullify();
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Eval(akey);
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if (!theres.IsNull()) {
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res = theres;
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return Standard_True;
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}
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else if (hasnext) return thenext->Evaluate(akey,res);
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return Standard_False;
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}
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Handle(TheResul) Interface_Recognizer::Result () const
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{
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if (!theres.IsNull()) return theres;
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if (hasnext) return thenext->Result();
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throw Standard_NoSuchObject("Recognizer evaluation has failed");
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}
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void Interface_Recognizer::Add (const Handle(Interface_Recognizer)& reco)
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{ thenext = reco; hasnext = Standard_True; }
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void Interface_Recognizer::SetOK (const Handle(TheResul)& aresult)
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{ theres = aresult; }
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void Interface_Recognizer::SetKO ()
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{ theres.Nullify(); }
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