include/opencascade/IGESData_LevelListEntity.hxx

0001 // Created on: 1992-04-07
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 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 _IGESData_LevelListEntity_HeaderFile
0018 #define _IGESData_LevelListEntity_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <IGESData_IGESEntity.hxx>
0023 #include <Standard_Integer.hxx>
0024
0025 class IGESData_LevelListEntity;
0026 DEFINE_STANDARD_HANDLE(IGESData_LevelListEntity, IGESData_IGESEntity)
0027
0028 //! defines required type for LevelList in directory part
0029 //! an effective LevelList entity must inherits it
0030 class IGESData_LevelListEntity : public IGESData_IGESEntity
0031 {
0032
0033 public:
0034   //! Must return the count of levels
0035   Standard_EXPORT virtual Standard_Integer NbLevelNumbers() const = 0;
0036
0037   //! returns the Level Number of <me>, indicated by <num>
0038   //! raises an exception if num is out of range
0039   Standard_EXPORT virtual Standard_Integer LevelNumber(const Standard_Integer num) const = 0;
0040
0041   //! returns True if <level> is in the list
0042   Standard_EXPORT Standard_Boolean HasLevelNumber(const Standard_Integer level) const;
0043
0044   DEFINE_STANDARD_RTTIEXT(IGESData_LevelListEntity, IGESData_IGESEntity)
0045
0046 protected:
0047 private:
0048 };
0049
0050 #endif // _IGESData_LevelListEntity_HeaderFile