-- Created on: 1997-04-02 -- Created by: Administrateur Atelier XSTEP -- Copyright (c) 1997-1999 Matra Datavision -- Copyright (c) 1999-2014 OPEN CASCADE SAS -- -- This file is part of Open CASCADE Technology software library. -- -- This library is free software; you can redistribute it and/or modify it under -- the terms of the GNU Lesser General Public License version 2.1 as published -- by the Free Software Foundation, with special exception defined in the file -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT -- distribution for complete text of the license and disclaimer of any warranty. -- -- Alternatively, this file may be used under the terms of Open CASCADE -- commercial license or contractual agreement. deferred class EDescr from StepData inherits TShared ---Purpose : This class is intended to describe the authorized form for an -- entity, either Simple or Plex uses CString, Described from StepData is Matches (me; steptype : CString) returns Boolean is deferred; ---Purpose : Tells if a ESDescr matches a step type : exact or super type IsComplex (me) returns Boolean is deferred; ---Purpose : Tells if a EDescr is complex (ECDescr) or simple (ESDescr) NewEntity (me) returns Described is deferred; ---Purpose : Creates a described entity (i.e. a simple one) end EDescr;