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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 | #include <TObj_ModelIterator.hxx> |
19 | |
20 | #include <TObj_Model.hxx> |
21 | |
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22 | |
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23 | IMPLEMENT_STANDARD_RTTIEXT(TObj_ModelIterator,TObj_ObjectIterator) |
24 | |
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25 | //======================================================================= |
26 | //function : Constructor |
27 | //purpose : |
28 | //======================================================================= |
29 | |
30 | TObj_ModelIterator::TObj_ModelIterator(const Handle(TObj_Model)& theModel) |
31 | { |
32 | myObject = theModel->GetRoot(); |
33 | if ( ! myObject.IsNull() ) |
34 | addIterator(myObject); |
35 | } |
36 | |
37 | //======================================================================= |
38 | //function : addIterator |
39 | //purpose : |
40 | //======================================================================= |
41 | |
42 | void TObj_ModelIterator::addIterator(const Handle(TObj_Object)& theObj) |
43 | { |
44 | Handle(TObj_ObjectIterator) anIter = theObj->GetChildren(); |
45 | if (anIter.IsNull() ) |
46 | return; // object has no children. |
47 | myIterSeq.Append(anIter); |
48 | } |
49 | |
50 | //======================================================================= |
51 | //function : More |
52 | //purpose : |
53 | //======================================================================= |
54 | |
55 | Standard_Boolean TObj_ModelIterator::More() const |
56 | { |
57 | return ! myObject.IsNull(); |
58 | } |
59 | |
60 | //======================================================================= |
61 | //function : Value |
62 | //purpose : |
63 | //======================================================================= |
64 | |
65 | Handle(TObj_Object) TObj_ModelIterator::Value() const |
66 | { |
67 | return myObject; |
68 | } |
69 | |
70 | //======================================================================= |
71 | //function : Next |
72 | //purpose : |
73 | //======================================================================= |
74 | |
75 | void TObj_ModelIterator::Next() |
76 | { |
77 | myObject.Nullify(); |
78 | while ( myIterSeq.Length() >0 ) |
79 | { |
80 | if ( myIterSeq.Last()->More() ) |
81 | { |
82 | myObject = myIterSeq.Last()->Value(); |
83 | myIterSeq.Last()->Next(); |
84 | addIterator ( myObject ); |
85 | return; |
86 | } |
87 | else myIterSeq.Remove(myIterSeq.Length()); |
88 | } |
89 | } |