1 // Created on: 1992-04-07 2 // Created by: Christian CAILLET 3 // Copyright (c) 1992-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 8 // This library is free software; you can redistribute it and/or modify it under 9 // the terms of the GNU Lesser General Public License version 2.1 as published 10 // by the Free Software Foundation, with special exception defined in the file 11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 12 // distribution for complete text of the license and disclaimer of any warranty. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _IGESData_LevelListEntity_HeaderFile 18 #define _IGESData_LevelListEntity_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <IGESData_IGESEntity.hxx> 24 #include <Standard_Integer.hxx> 25 #include <Standard_Boolean.hxx> 26 27 28 class IGESData_LevelListEntity; 29 DEFINE_STANDARD_HANDLE(IGESData_LevelListEntity, IGESData_IGESEntity) 30 31 //! defines required type for LevelList in directory part 32 //! an effective LevelList entity must inherits it 33 class IGESData_LevelListEntity : public IGESData_IGESEntity 34 { 35 36 public: 37 38 39 //! Must return the count of levels 40 Standard_EXPORT virtual Standard_Integer NbLevelNumbers() const = 0; 41 42 //! returns the Level Number of <me>, indicated by <num> 43 //! raises an exception if num is out of range 44 Standard_EXPORT virtual Standard_Integer LevelNumber (const Standard_Integer num) const = 0; 45 46 //! returns True if <level> is in the list 47 Standard_EXPORT Standard_Boolean HasLevelNumber (const Standard_Integer level) const; 48 49 50 51 52 DEFINE_STANDARD_RTTIEXT(IGESData_LevelListEntity,IGESData_IGESEntity) 53 54 protected: 55 56 57 58 59 private: 60 61 62 63 64 }; 65 66 67 68 69 70 71 72 #endif // _IGESData_LevelListEntity_HeaderFile 73