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1 | // Created by: DAUTRY Philippe |
| 2 | // Copyright (c) 1997-1999 Matra Datavision |
| 3 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | #ifndef _TDF_ChildIDIterator_HeaderFile |
| 17 | #define _TDF_ChildIDIterator_HeaderFile |
| 18 | |
| 19 | #include <Standard.hxx> |
| 20 | #include <Standard_DefineAlloc.hxx> |
| 21 | #include <Standard_Handle.hxx> |
| 22 | |
| 23 | #include <Standard_GUID.hxx> |
| 24 | #include <TDF_ChildIterator.hxx> |
| 25 | #include <Standard_Boolean.hxx> |
| 26 | class TDF_Attribute; |
| 27 | class TDF_Label; |
| 28 | class Standard_GUID; |
| 29 | |
| 30 | |
| 31 | //! Iterates on the children of a label, to find |
| 32 | //! attributes having ID as Attribute ID. |
| 33 | //! |
| 34 | //! Level option works as TDF_ChildIterator. |
| 35 | class TDF_ChildIDIterator |
| 36 | { |
| 37 | public: |
| 38 | |
| 39 | DEFINE_STANDARD_ALLOC |
| 40 | |
| 41 | |
| 42 | //! Creates an empty iterator. |
| 43 | Standard_EXPORT TDF_ChildIDIterator(); |
| 44 | |
| 45 | //! Iterates on the children of the given label. If |
| 46 | //! <allLevels> option is set to true, it explores not |
| 47 | //! only the first, but all the sub label levels. |
| 48 | Standard_EXPORT TDF_ChildIDIterator(const TDF_Label& aLabel, const Standard_GUID& anID, const Standard_Boolean allLevels = Standard_False); |
| 49 | |
| 50 | //! Initializes the iteration on the children of the |
| 51 | //! given label. If <allLevels> option is set to true, |
| 52 | //! it explores not only the first, but all the sub |
| 53 | //! label levels. |
| 54 | Standard_EXPORT void Initialize (const TDF_Label& aLabel, const Standard_GUID& anID, const Standard_Boolean allLevels = Standard_False); |
| 55 | |
| 56 | //! Returns True if there is a current Item in the |
| 57 | //! iteration. |
| 58 | Standard_Boolean More() const; |
| 59 | |
| 60 | //! Move to the next Item |
| 61 | Standard_EXPORT void Next(); |
| 62 | |
| 63 | //! Move to the next Brother. If there is none, go up |
| 64 | //! etc. This method is interesting only with |
| 65 | //! "allLevels" behavior, because it avoids to explore |
| 66 | //! the current label children. |
| 67 | Standard_EXPORT void NextBrother(); |
| 68 | |
| 69 | //! Returns the current item; a null handle if there is none. |
| 70 | Handle(TDF_Attribute) Value() const; |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | protected: |
| 76 | |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | private: |
| 82 | |
| 83 | |
| 84 | |
| 85 | Standard_GUID myID; |
| 86 | TDF_ChildIterator myItr; |
| 87 | Handle(TDF_Attribute) myAtt; |
| 88 | |
| 89 | |
| 90 | }; |
| 91 | |
| 92 | |
| 93 | #include <TDF_ChildIDIterator.lxx> |
| 94 | |
| 95 | |
| 96 | |
| 97 | |
| 98 | |
| 99 | #endif // _TDF_ChildIDIterator_HeaderFile |
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