1 // Created on: 1999-09-08 2 // Created by: Andrey BETENEV 3 // Copyright (c) 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 _StepBasic_Unit_HeaderFile 18 #define _StepBasic_Unit_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_DefineAlloc.hxx> 22 #include <Standard_Handle.hxx> 23 24 #include <StepData_SelectType.hxx> 25 #include <Standard_Integer.hxx> 26 class Standard_Transient; 27 class StepBasic_NamedUnit; 28 class StepBasic_DerivedUnit; 29 30 31 //! Implements a select type unit (NamedUnit or DerivedUnit) 32 class StepBasic_Unit : public StepData_SelectType 33 { 34 public: 35 36 DEFINE_STANDARD_ALLOC 37 38 39 //! Creates empty object 40 Standard_EXPORT StepBasic_Unit(); 41 42 //! Recognizes a type of Unit Entity 43 //! 1 -> NamedUnit 44 //! 2 -> DerivedUnit 45 Standard_EXPORT Standard_Integer CaseNum (const Handle(Standard_Transient)& ent) const; 46 47 //! returns Value as a NamedUnit (Null if another type) 48 Standard_EXPORT Handle(StepBasic_NamedUnit) NamedUnit() const; 49 50 //! returns Value as a DerivedUnit (Null if another type) 51 Standard_EXPORT Handle(StepBasic_DerivedUnit) DerivedUnit() const; 52 53 54 55 56 protected: 57 58 59 60 61 62 private: 63 64 65 66 67 68 }; 69 70 71 72 73 74 75 76 #endif // _StepBasic_Unit_HeaderFile 77