0027104: DownCast() cannot return null for mismatched handle
[occt.git] / src / RWStepGeom / RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve.cxx
1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
2 //
3 // This file is part of Open CASCADE Technology software library.
4 //
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
10 //
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
13
14 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
15
16 #include <Interface_Check.hxx>
17 #include <Interface_EntityIterator.hxx>
18 #include <Interface_ShareTool.hxx>
19 #include <RWStepGeom_RWBSplineCurveWithKnots.hxx>
20 #include <RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve.hxx>
21 #include <RWStepGeom_RWRationalBSplineCurve.hxx>
22 #include <StepData_Logical.hxx>
23 #include <StepData_StepReaderData.hxx>
24 #include <StepData_StepWriter.hxx>
25 #include <StepGeom_BSplineCurveForm.hxx>
26 #include <StepGeom_BSplineCurveWithKnots.hxx>
27 #include <StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve.hxx>
28 #include <StepGeom_CartesianPoint.hxx>
29 #include <StepGeom_HArray1OfCartesianPoint.hxx>
30 #include <StepGeom_KnotType.hxx>
31 #include <StepGeom_RationalBSplineCurve.hxx>
32 #include <TColStd_HArray1OfInteger.hxx>
33 #include <TColStd_HArray1OfReal.hxx>
34
35 // --- Enum : BSplineCurveForm ---
36 static TCollection_AsciiString bscfEllipticArc(".ELLIPTIC_ARC.");
37 static TCollection_AsciiString bscfPolylineForm(".POLYLINE_FORM.");
38 static TCollection_AsciiString bscfParabolicArc(".PARABOLIC_ARC.");
39 static TCollection_AsciiString bscfCircularArc(".CIRCULAR_ARC.");
40 static TCollection_AsciiString bscfUnspecified(".UNSPECIFIED.");
41 static TCollection_AsciiString bscfHyperbolicArc(".HYPERBOLIC_ARC.");
42
43         // --- Enum : KnotType ---
44 static TCollection_AsciiString ktUniformKnots(".UNIFORM_KNOTS.");
45 static TCollection_AsciiString ktQuasiUniformKnots(".QUASI_UNIFORM_KNOTS.");
46 static TCollection_AsciiString ktPiecewiseBezierKnots(".PIECEWISE_BEZIER_KNOTS.");
47 static TCollection_AsciiString ktUnspecified(".UNSPECIFIED.");
48
49 RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve::RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve () {}
50
51 void RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve::ReadStep
52         (const Handle(StepData_StepReaderData)& data,
53          const Standard_Integer num0,
54          Handle(Interface_Check)& ach,
55          const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve)& ent) const
56 {
57
58 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
59         Standard_Integer num = 0;  // num0
60         data->NamedForComplex("BOUNDED_CURVE", "BNDCRV",num0,num,ach);
61
62 //      num = data->NextForComplex(num);
63 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
64 //        num =  0; gka TRJ9
65   data->NamedForComplex("B_SPLINE_CURVE", "BSPCR",num0,num,ach);
66
67         // --- Instance of common supertype BSplineCurve ---
68
69         if (!data->CheckNbParams(num,5,ach,"b_spline_curve")) return;
70         // --- field : degree ---
71
72
73         Standard_Integer aDegree;
74         //szv#4:S4163:12Mar99 `Standard_Boolean stat1 =` not needed
75         data->ReadInteger (num,1,"degree",ach,aDegree);
76         // --- field : controlPointsList ---
77
78
79         Handle(StepGeom_HArray1OfCartesianPoint) aControlPointsList;
80         Handle(StepGeom_CartesianPoint) anent2;
81         Standard_Integer nsub2;
82         if (data->ReadSubList (num,2,"control_points_list",ach,nsub2)) {
83           Standard_Integer nb2 = data->NbParams(nsub2);
84           aControlPointsList = new StepGeom_HArray1OfCartesianPoint (1, nb2);
85           for (Standard_Integer i2 = 1; i2 <= nb2; i2 ++) {
86             //szv#4:S4163:12Mar99 `Standard_Boolean stat2 =` not needed
87             if (data->ReadEntity (nsub2, i2,"cartesian_point", ach,
88                                   STANDARD_TYPE(StepGeom_CartesianPoint), anent2))
89               aControlPointsList->SetValue(i2, anent2);
90           }
91         }
92
93         // --- field : curveForm ---
94
95
96         StepGeom_BSplineCurveForm aCurveForm = StepGeom_bscfPolylineForm;
97         if (data->ParamType(num,3) == Interface_ParamEnum) {
98           Standard_CString text = data->ParamCValue(num,3);
99           if      (bscfEllipticArc.IsEqual(text)) aCurveForm = StepGeom_bscfEllipticArc;
100           else if (bscfPolylineForm.IsEqual(text)) aCurveForm = StepGeom_bscfPolylineForm;
101           else if (bscfParabolicArc.IsEqual(text)) aCurveForm = StepGeom_bscfParabolicArc;
102           else if (bscfCircularArc.IsEqual(text)) aCurveForm = StepGeom_bscfCircularArc;
103           else if (bscfUnspecified.IsEqual(text)) aCurveForm = StepGeom_bscfUnspecified;
104           else if (bscfHyperbolicArc.IsEqual(text)) aCurveForm = StepGeom_bscfHyperbolicArc;
105           else ach->AddFail("Enumeration b_spline_curve_form has not an allowed value");
106         }
107         else ach->AddFail("Parameter #3 (curve_form) is not an enumeration");
108         // --- field : closedCurve ---
109
110
111         StepData_Logical aClosedCurve;
112         //szv#4:S4163:12Mar99 `Standard_Boolean stat4 =` not needed
113         data->ReadLogical (num,4,"closed_curve",ach,aClosedCurve);
114         // --- field : selfIntersect ---
115
116
117         StepData_Logical aSelfIntersect;
118         //szv#4:S4163:12Mar99 `Standard_Boolean stat5 =` not needed
119         data->ReadLogical (num,5,"self_intersect",ach,aSelfIntersect);
120
121 //      num = data->NextForComplex(num);
122 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
123 //        num =  0; //gka TRJ9
124         data->NamedForComplex("B_SPLINE_CURVE_WITH_KNOTS", "BSCWK",num0,num,ach);
125
126         // --- Instance of plex componant BSplineCurveWithKnots ---
127
128         if (!data->CheckNbParams(num,3,ach,"b_spline_curve_with_knots")) return;
129
130         // --- field : knotMultiplicities ---
131
132         Handle(TColStd_HArray1OfInteger) aKnotMultiplicities;
133         Standard_Integer aKnotMultiplicitiesItem;
134         Standard_Integer nsub6;
135         if (data->ReadSubList (num,1,"knot_multiplicities",ach,nsub6)) {
136           Standard_Integer nb6 = data->NbParams(nsub6);
137           aKnotMultiplicities = new TColStd_HArray1OfInteger (1, nb6);
138           for (Standard_Integer i6 = 1; i6 <= nb6; i6 ++) {
139             //szv#4:S4163:12Mar99 `Standard_Boolean stat6 =` not needed
140             if (data->ReadInteger (nsub6,i6,"knot_multiplicities",ach,aKnotMultiplicitiesItem))
141               aKnotMultiplicities->SetValue(i6,aKnotMultiplicitiesItem);
142           }
143         }
144
145         // --- field : knots ---
146
147         Handle(TColStd_HArray1OfReal) aKnots;
148         Standard_Real aKnotsItem;
149         Standard_Integer nsub7;
150         if (data->ReadSubList (num,2,"knots",ach,nsub7)) {
151           Standard_Integer nb7 = data->NbParams(nsub7);
152           aKnots = new TColStd_HArray1OfReal (1, nb7);
153           for (Standard_Integer i7 = 1; i7 <= nb7; i7 ++) {
154             //szv#4:S4163:12Mar99 `Standard_Boolean stat7 =` not needed
155             if (data->ReadReal (nsub7,i7,"knots",ach,aKnotsItem))
156               aKnots->SetValue(i7,aKnotsItem);
157           }
158         }
159
160         // --- field : knotSpec ---
161
162         StepGeom_KnotType aKnotSpec = StepGeom_ktUniformKnots;
163         if (data->ParamType(num,3) == Interface_ParamEnum) {
164           Standard_CString text = data->ParamCValue(num,3);
165           if      (ktUniformKnots.IsEqual(text)) aKnotSpec = StepGeom_ktUniformKnots;
166           else if (ktQuasiUniformKnots.IsEqual(text)) aKnotSpec = StepGeom_ktQuasiUniformKnots;
167           else if (ktPiecewiseBezierKnots.IsEqual(text)) aKnotSpec = StepGeom_ktPiecewiseBezierKnots;
168           else if (ktUnspecified.IsEqual(text)) aKnotSpec = StepGeom_ktUnspecified;
169           else ach->AddFail("Enumeration knot_type has not an allowed value");
170         }
171         else ach->AddFail("Parameter #3 (knot_spec) is not an enumeration");
172
173 //      num = data->NextForComplex(num);
174 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
175 //        num =  0; gka TRJ9
176         data->NamedForComplex("CURVE",num0,num,ach);
177
178 //      num = data->NextForComplex(num);
179 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
180         //num =  0;
181         data->NamedForComplex("GEOMETRIC_REPRESENTATION_ITEM", "GMRPIT",num0,num,ach);
182
183 //      num = data->NextForComplex(num);
184 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
185         //num =  0;
186         data->NamedForComplex("RATIONAL_B_SPLINE_CURVE", "RBSC",num0,num,ach);
187
188         // --- Instance of plex componant RationalBSplineCurve ---
189
190         if (!data->CheckNbParams(num,1,ach,"rational_b_spline_curve")) return;
191
192         // --- field : weightsData ---
193
194         Handle(TColStd_HArray1OfReal) aWeightsData;
195         Standard_Real aWeightsDataItem;
196         Standard_Integer nsub9;
197         if (data->ReadSubList (num,1,"weights_data",ach,nsub9)) {
198           Standard_Integer nb9 = data->NbParams(nsub9);
199           aWeightsData = new TColStd_HArray1OfReal (1, nb9);
200           for (Standard_Integer i9 = 1; i9 <= nb9; i9 ++) {
201             //szv#4:S4163:12Mar99 `Standard_Boolean stat9 =` not needed
202             if (data->ReadReal (nsub9,i9,"weights_data",ach,aWeightsDataItem))
203               aWeightsData->SetValue(i9,aWeightsDataItem);
204           }
205         }
206
207 //      num = data->NextForComplex(num);
208 // sln 04.10.2001. BUC61003. Correction of looking for items of complex entity
209         //num =  0;
210         data->NamedForComplex("REPRESENTATION_ITEM", "RPRITM",num0,num,ach);
211
212         // --- Instance of plex componant RepresentationItem ---
213
214         if (!data->CheckNbParams(num,1,ach,"representation_item")) return;
215
216         // --- field : name ---
217
218         Handle(TCollection_HAsciiString) aName;
219         //szv#4:S4163:12Mar99 `Standard_Boolean stat10 =` not needed
220         data->ReadString (num,1,"name",ach,aName);
221
222         //--- Initialisation of the red entity ---
223
224         ent->Init(aName,aDegree,aControlPointsList,aCurveForm,aClosedCurve,aSelfIntersect,aKnotMultiplicities,aKnots,aKnotSpec,aWeightsData);
225 }
226
227
228 void RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve::WriteStep
229         (StepData_StepWriter& SW,
230          const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve)& ent) const
231 {
232
233         // --- Instance of plex componant BoundedCurve ---
234
235         SW.StartEntity("BOUNDED_CURVE");
236
237         // --- Instance of common supertype BSplineCurve ---
238
239         SW.StartEntity("B_SPLINE_CURVE");
240         // --- field : degree ---
241
242         SW.Send(ent->Degree());
243         // --- field : controlPointsList ---
244
245         SW.OpenSub();
246         for (Standard_Integer i2 = 1;  i2 <= ent->NbControlPointsList();  i2 ++) {
247           SW.Send(ent->ControlPointsListValue(i2));
248         }
249         SW.CloseSub();
250         // --- field : curveForm ---
251
252         switch(ent->CurveForm()) {
253           case StepGeom_bscfEllipticArc : SW.SendEnum (bscfEllipticArc); break;
254           case StepGeom_bscfPolylineForm : SW.SendEnum (bscfPolylineForm); break;
255           case StepGeom_bscfParabolicArc : SW.SendEnum (bscfParabolicArc); break;
256           case StepGeom_bscfCircularArc : SW.SendEnum (bscfCircularArc); break;
257           case StepGeom_bscfUnspecified : SW.SendEnum (bscfUnspecified); break;
258           case StepGeom_bscfHyperbolicArc : SW.SendEnum (bscfHyperbolicArc); break;
259         }
260         // --- field : closedCurve ---
261
262         SW.SendLogical(ent->ClosedCurve());
263         // --- field : selfIntersect ---
264
265         SW.SendLogical(ent->SelfIntersect());
266
267         // --- Instance of plex componant BSplineCurveWithKnots ---
268
269         SW.StartEntity("B_SPLINE_CURVE_WITH_KNOTS");
270         // --- field : knotMultiplicities ---
271
272         SW.OpenSub();
273         for (Standard_Integer i6 = 1;  i6 <= ent->NbKnotMultiplicities();  i6 ++) {
274           SW.Send(ent->KnotMultiplicitiesValue(i6));
275         }
276         SW.CloseSub();
277         // --- field : knots ---
278
279         SW.OpenSub();
280         for (Standard_Integer i7 = 1;  i7 <= ent->NbKnots();  i7 ++) {
281           SW.Send(ent->KnotsValue(i7));
282         }
283         SW.CloseSub();
284         // --- field : knotSpec ---
285
286         switch(ent->KnotSpec()) {
287           case StepGeom_ktUniformKnots : SW.SendEnum (ktUniformKnots); break;
288           case StepGeom_ktQuasiUniformKnots : SW.SendEnum (ktQuasiUniformKnots); break;
289           case StepGeom_ktPiecewiseBezierKnots : SW.SendEnum (ktPiecewiseBezierKnots); break;
290           case StepGeom_ktUnspecified : SW.SendEnum (ktUnspecified); break;
291         }
292
293         // --- Instance of plex componant Curve ---
294
295         SW.StartEntity("CURVE");
296
297         // --- Instance of plex componant GeometricRepresentationItem ---
298
299         SW.StartEntity("GEOMETRIC_REPRESENTATION_ITEM");
300
301         // --- Instance of plex componant RationalBSplineCurve ---
302
303         SW.StartEntity("RATIONAL_B_SPLINE_CURVE");
304         // --- field : weightsData ---
305
306         SW.OpenSub();
307         for (Standard_Integer i9 = 1;  i9 <= ent->NbWeightsData();  i9 ++) {
308           SW.Send(ent->WeightsDataValue(i9));
309         }
310         SW.CloseSub();
311
312         // --- Instance of plex componant RepresentationItem ---
313
314         SW.StartEntity("REPRESENTATION_ITEM");
315         // --- field : name ---
316
317         SW.Send(ent->Name());
318 }
319
320
321 void RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve::Share(const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve)& ent, Interface_EntityIterator& iter) const
322 {
323
324         Standard_Integer nbElem1 = ent->NbControlPointsList();
325         for (Standard_Integer is1=1; is1<=nbElem1; is1 ++) {
326           iter.GetOneItem(ent->ControlPointsListValue(is1));
327         }
328
329 }
330
331
332
333 void RWStepGeom_RWBSplineCurveWithKnotsAndRationalBSplineCurve::Check
334   (const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve)& ent,
335    const Interface_ShareTool& aShto,
336    Handle(Interface_Check)& ach) const
337 {
338   Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve) aRationalBSC = ent;
339   Handle(StepGeom_BSplineCurveWithKnots) aBSCWK =
340     aRationalBSC->BSplineCurveWithKnots();
341   RWStepGeom_RWBSplineCurveWithKnots t1;
342   t1.Check(aBSCWK,aShto,ach);
343   Handle(StepGeom_RationalBSplineCurve) aRBSC =
344     aRationalBSC->RationalBSplineCurve();
345   RWStepGeom_RWRationalBSplineCurve t2;
346   t2.Check(aRBSC,aShto,ach);
347 }