include/opencascade/StepData_EDescr.hxx

0001 // Created on: 1997-04-02
0002 // Created by: Administrateur Atelier XSTEP
0003 // Copyright (c) 1997-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _StepData_EDescr_HeaderFile
0018 #define _StepData_EDescr_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <Standard_Transient.hxx>
0024 class StepData_Described;
0025
0026 //! This class is intended to describe the authorized form for an
0027 //! entity, either Simple or Plex
0028 class StepData_EDescr : public Standard_Transient
0029 {
0030
0031 public:
0032   //! Tells if a ESDescr matches a step type : exact or super type
0033   Standard_EXPORT virtual bool Matches(const char* const steptype) const = 0;
0034
0035   //! Tells if a EDescr is complex (ECDescr) or simple (ESDescr)
0036   Standard_EXPORT virtual bool IsComplex() const = 0;
0037
0038   //! Creates a described entity (i.e. a simple one)
0039   Standard_EXPORT virtual occ::handle<StepData_Described> NewEntity() const = 0;
0040
0041   DEFINE_STANDARD_RTTIEXT(StepData_EDescr, Standard_Transient)
0042 };
0043
0044 #endif // _StepData_EDescr_HeaderFile