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1 | // Created on: 2004-11-23 |
2 | // Created by: Pavel TELKOV |
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3 | // Copyright (c) 2004-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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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 |
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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. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | // The original implementation Copyright: (C) RINA S.p.A |
17 | |
18 | #ifndef TObj_LabelIterator_HeaderFile |
19 | #define TObj_LabelIterator_HeaderFile |
20 | |
21 | #include <TObj_Object.hxx> |
22 | |
23 | #include <TDF_Label.hxx> |
24 | #include <TDF_ChildIterator.hxx> |
25 | #include <TObj_ObjectIterator.hxx> |
26 | |
27 | /** |
28 | * This class is a basis for OCAF based iterators. |
29 | */ |
30 | |
31 | class TObj_LabelIterator : public TObj_ObjectIterator |
32 | { |
33 | |
34 | protected: |
35 | /** |
36 | * Constructor |
37 | */ |
38 | |
39 | //! Creates an Empty Iterator |
40 | Standard_EXPORT TObj_LabelIterator(); |
41 | |
42 | public: |
43 | /** |
44 | * Constructor |
45 | */ |
46 | |
47 | //! Creates an iterator an initialize it by theLabel and recursive flag. |
48 | //! If isRecursive is Standard_True make recursive iterations |
49 | Standard_EXPORT TObj_LabelIterator |
50 | (const TDF_Label& theLabel, |
51 | const Standard_Boolean isRecursive = Standard_False); |
52 | |
53 | public: |
54 | /** |
55 | * Redefined methods |
56 | */ |
57 | |
58 | //! Returns True if there is a current Item in the iteration. |
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59 | virtual Standard_Boolean More () const Standard_OVERRIDE |
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60 | { return !myNode.IsNull(); } |
61 | |
62 | //! Move to the next Item |
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63 | virtual Standard_EXPORT void Next () Standard_OVERRIDE; |
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64 | |
65 | //! Returns the current item |
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66 | virtual Handle(TObj_Object) Value () const Standard_OVERRIDE |
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67 | { return myObject; } |
68 | |
69 | //! Returns the label of the current item |
70 | inline const TDF_Label& LabelValue() const |
71 | { return myNode; } |
72 | |
73 | protected: |
74 | /** |
75 | * Iterating methods |
76 | */ |
77 | |
78 | //! Shifts iterator to the next object |
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79 | virtual void MakeStep() = 0; |
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80 | |
81 | protected: |
82 | /** |
83 | * Internal methods |
84 | */ |
85 | |
86 | //! Initialize Iterator by the theLabel |
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87 | void Init(const TDF_Label& theLabel, |
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88 | const Standard_Boolean isRecursive = Standard_False) |
89 | { myIterator.Initialize(theLabel,isRecursive); } |
90 | |
91 | |
92 | protected: |
93 | /** |
94 | * Fields |
95 | */ |
96 | TDF_Label myNode; //!< Current node |
97 | TDF_ChildIterator myIterator; //!< OCAF Child iterator |
98 | Handle(TObj_Object) myObject; //!< Current Object |
99 | |
100 | public: |
101 | //! CASCADE RTTI |
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102 | DEFINE_STANDARD_RTTIEXT(TObj_LabelIterator,TObj_ObjectIterator) |
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103 | }; |
104 | |
105 | //! Define handle class for TObj_LabelIterator |
106 | DEFINE_STANDARD_HANDLE(TObj_LabelIterator,TObj_ObjectIterator) |
107 | |
108 | #endif |
109 | |
110 | #ifdef _MSC_VER |
111 | #pragma once |
112 | #endif |