src/RWStepGeom/RWStepGeom_RWSurfaceCurve.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
  15 #include <Interface_Check.hxx>
  16 #include <Interface_EntityIterator.hxx>
  17 #include <RWStepGeom_RWSurfaceCurve.hxx>
  18 #include <StepData_StepReaderData.hxx>
  19 #include <StepData_StepWriter.hxx>
  20 #include <StepGeom_Curve.hxx>
  21 #include <StepGeom_HArray1OfPcurveOrSurface.hxx>
  22 #include <StepGeom_PcurveOrSurface.hxx>
  23 #include <StepGeom_PreferredSurfaceCurveRepresentation.hxx>
  24 #include <StepGeom_SurfaceCurve.hxx>
  25 #include <TCollection_AsciiString.hxx>
  26
  27 // --- Enum : PreferredSurfaceCurveRepresentation ---
  28 static TCollection_AsciiString pscrPcurveS2(".PCURVE_S2.");
  29 static TCollection_AsciiString pscrPcurveS1(".PCURVE_S1.");
  30 static TCollection_AsciiString pscrCurve3d(".CURVE_3D.");
  31
  32 RWStepGeom_RWSurfaceCurve::RWStepGeom_RWSurfaceCurve () {}
  33
  34 void RWStepGeom_RWSurfaceCurve::ReadStep
  35         (const Handle(StepData_StepReaderData)& data,
  36          const Standard_Integer num,
  37          Handle(Interface_Check)& ach,
  38          const Handle(StepGeom_SurfaceCurve)& ent) const
  39 {
  40
  41
  42         // --- Number of Parameter Control ---
  43
  44         if (!data->CheckNbParams(num,4,ach,"surface_curve")) return;
  45
  46         // --- inherited field : name ---
  47
  48         Handle(TCollection_HAsciiString) aName;
  49         //szv#4:S4163:12Mar99 `Standard_Boolean stat1 =` not needed
  50         data->ReadString (num,1,"name",ach,aName);
  51
  52         // --- own field : curve3d ---
  53
  54         Handle(StepGeom_Curve) aCurve3d;
  55         //szv#4:S4163:12Mar99 `Standard_Boolean stat2 =` not needed
  56         data->ReadEntity(num, 2,"curve_3d", ach, STANDARD_TYPE(StepGeom_Curve), aCurve3d);
  57
  58         // --- own field : associatedGeometry ---
  59
  60         Handle(StepGeom_HArray1OfPcurveOrSurface) aAssociatedGeometry;
  61         StepGeom_PcurveOrSurface aAssociatedGeometryItem;
  62         Standard_Integer nsub3;
  63         if (data->ReadSubList (num,3,"associated_geometry",ach,nsub3)) {
  64           Standard_Integer nb3 = data->NbParams(nsub3);
  65           aAssociatedGeometry = new StepGeom_HArray1OfPcurveOrSurface (1, nb3);
  66           for (Standard_Integer i3 = 1; i3 <= nb3; i3 ++) {
  67             //szv#4:S4163:12Mar99 `Standard_Boolean stat3 =` not needed
  68             if (data->ReadEntity (nsub3,i3,"associated_geometry",ach,aAssociatedGeometryItem))
  69               aAssociatedGeometry->SetValue(i3,aAssociatedGeometryItem);
  70           }
  71         }
  72
  73         // --- own field : masterRepresentation ---
  74
  75         StepGeom_PreferredSurfaceCurveRepresentation aMasterRepresentation = StepGeom_pscrCurve3d;
  76         if (data->ParamType(num,4) == Interface_ParamEnum) {
  77           Standard_CString text = data->ParamCValue(num,4);
  78           if      (pscrPcurveS2.IsEqual(text)) aMasterRepresentation = StepGeom_pscrPcurveS2;
  79           else if (pscrPcurveS1.IsEqual(text)) aMasterRepresentation = StepGeom_pscrPcurveS1;
  80           else if (pscrCurve3d.IsEqual(text)) aMasterRepresentation = StepGeom_pscrCurve3d;
  81           else ach->AddFail("Enumeration preferred_surface_curve_representation has not an allowed value");
  82         }
  83         else ach->AddFail("Parameter #4 (master_representation) is not an enumeration");
  84
  85         //--- Initialisation of the read entity ---
  86
  87
  88         ent->Init(aName, aCurve3d, aAssociatedGeometry, aMasterRepresentation);
  89 }
  90
  91
  92 void RWStepGeom_RWSurfaceCurve::WriteStep
  93         (StepData_StepWriter& SW,
  94          const Handle(StepGeom_SurfaceCurve)& ent) const
  95 {
  96
  97         // --- inherited field name ---
  98
  99         SW.Send(ent->Name());
 100
 101         // --- own field : curve3d ---
 102
 103         SW.Send(ent->Curve3d());
 104
 105         // --- own field : associatedGeometry ---
 106
 107         SW.OpenSub();
 108         for (Standard_Integer i3 = 1;  i3 <= ent->NbAssociatedGeometry();  i3 ++) {
 109           if (!ent->AssociatedGeometryValue(i3).Value().IsNull()) {
 110             SW.Send(ent->AssociatedGeometryValue(i3).Value());
 111           }
 112         }
 113         SW.CloseSub();
 114
 115         // --- own field : masterRepresentation ---
 116
 117         switch(ent->MasterRepresentation()) {
 118           case StepGeom_pscrPcurveS2 : SW.SendEnum (pscrPcurveS2); break;
 119           case StepGeom_pscrPcurveS1 : SW.SendEnum (pscrPcurveS1); break;
 120           case StepGeom_pscrCurve3d : SW.SendEnum (pscrCurve3d); break;
 121         }
 122 }
 123
 124
 125 void RWStepGeom_RWSurfaceCurve::Share(const Handle(StepGeom_SurfaceCurve)& ent, Interface_EntityIterator& iter) const
 126 {
 127
 128         iter.GetOneItem(ent->Curve3d());
 129
 130
 131         Standard_Integer nbElem2 = ent->NbAssociatedGeometry();
 132         for (Standard_Integer is2=1; is2<=nbElem2; is2 ++) {
 133           iter.GetOneItem(ent->AssociatedGeometryValue(is2).Value());
 134         }
 135
 136 }
 137