0024624: Lost word in license statement in source files
[occt.git] / src / BRepTools / BRepTools_Substitution.cxx
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b311480e 1// Created on: 1995-03-28
2// Created by: Yves FRICAUD
3// Copyright (c) 1995-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 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
973c2be1 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
17#include <BRepTools_Substitution.ixx>
18#include <TopoDS.hxx>
19#include <TopoDS_Iterator.hxx>
20#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
21#include <TopTools_ListIteratorOfListOfShape.hxx>
22#include <BRep_Builder.hxx>
23#include <Standard_ConstructionError.hxx>
24#include <BRep_Tool.hxx>
b311480e 25
7fd59977 26//=======================================================================
27//function : BRepTools_Substitution
28//purpose :
29//=======================================================================
30
31BRepTools_Substitution::BRepTools_Substitution()
32{}
33
34//=======================================================================
35//function : Clear
36//purpose :
37//=======================================================================
38
39void BRepTools_Substitution::Clear()
40{
41 myMap.Clear();
42}
43
44//=======================================================================
45//function : Substitute
46//purpose :
47//=======================================================================
48
49void BRepTools_Substitution::Substitute(const TopoDS_Shape& OS,
50 const TopTools_ListOfShape& NS)
51{
52 Standard_ConstructionError_Raise_if
53 (IsCopied(OS),"BRepTools_CutClue::Substitute");
54 myMap.Bind(OS,NS);
55}
56
57
58//=======================================================================
59//function : Build
60//purpose :
61//=======================================================================
62
63void BRepTools_Substitution::Build(const TopoDS_Shape& S)
64{
65 if (IsCopied(S)) return;
66
67 BRep_Builder B;
68 TopoDS_Iterator iteS (S.Oriented(TopAbs_FORWARD));
69 Standard_Boolean IsModified = Standard_False;
70 Standard_Boolean HasSubShape = Standard_False;
71
72 //------------------------------------------
73 // look S is modified and build subshapes.
74 //------------------------------------------
75 for (; iteS.More(); iteS.Next()) {
76 const TopoDS_Shape& SS = iteS.Value();
77 Build (SS);
78 if (IsCopied(SS)) {
79 IsModified = Standard_True;
80 }
81 }
82
83 TopoDS_Shape NewS = S.Oriented(TopAbs_FORWARD);
84 if (IsModified) {
85 //----------------------------------------
86 // Rebuild S.
87 //------------------------------------------
88 NewS.EmptyCopy();
89
90 if (NewS.ShapeType() == TopAbs_EDGE) {
91 Standard_Real f,l;
92 BRep_Tool::Range(TopoDS::Edge(S),f,l);
93 B.Range(TopoDS::Edge(NewS),f,l);
94 }
95
96 iteS.Initialize(S.Oriented(TopAbs_FORWARD));
97 //------------------------------------------
98 // Add the copy of subshapes of S to NewS.
99 //------------------------------------------
100 for ( ;iteS.More(); iteS.Next()) {
101 TopAbs_Orientation OS = iteS.Value().Orientation();
102 TopTools_ListOfShape L;
103 L = myMap(iteS.Value());
104 TopTools_ListIteratorOfListOfShape iteL(L);
105
106 for ( ; iteL.More(); iteL.Next()){
107 const TopoDS_Shape NSS = iteL.Value();
108 //------------------------------------------
109 // Rebuild NSS and add its copy to NewS.
110 //------------------------------------------
111 Build(NSS);
112
113 const TopTools_ListOfShape& NL = myMap(NSS);
114 TopAbs_Orientation NewOr = TopAbs::Compose(OS,NSS.Orientation());
115 TopTools_ListIteratorOfListOfShape iteNL(NL);
116
117 for ( ; iteNL.More(); iteNL.Next()){
118 B.Add (NewS,iteNL.Value().Oriented(NewOr));
119 HasSubShape = Standard_True;
120 }
121 }
122 }
123 if (!HasSubShape) {
124 if (NewS.ShapeType() == TopAbs_WIRE || NewS.ShapeType() == TopAbs_SHELL ||
125 NewS.ShapeType() == TopAbs_SOLID || NewS.ShapeType() == TopAbs_COMPOUND)
126 //----------------------------------------------------------------
127 // Wire,Solid,Shell,Compound mut have subshape else they disapear
128 //---------------------------------------------------------------
129 NewS.Nullify();
130 }
131 }
132 TopTools_ListOfShape L;
133 //-------------------------------------------------------
134 // NewS has the same orientation than S in its ancestors
135 // so NewS is bound with orientation FORWARD.
136 //-------------------------------------------------------
137 if (!NewS.IsNull()) L.Append(NewS.Oriented(TopAbs_FORWARD));
138 Substitute(S, L);
139}
140
141
142//=======================================================================
143//function : IsCopied
144//purpose :
145//=======================================================================
146
147Standard_Boolean BRepTools_Substitution::IsCopied(const TopoDS_Shape& S) const
148{
149 if (myMap.IsBound(S)) {
150 if (myMap (S).IsEmpty()) return Standard_True;
151 else
152 return !S.IsSame(myMap(S).First());
153 }
154 else
155 return Standard_False;
156}
157
158
159//=======================================================================
160//function : Copy
161//purpose :
162//=======================================================================
163
164const TopTools_ListOfShape& BRepTools_Substitution::Copy (const TopoDS_Shape& S)
165 const
166{
167 Standard_NoSuchObject_Raise_if(!IsCopied(S),"BRepTools_Substitution::Copy");
168 return myMap(S);
169}
170