0031668: Visualization - WebGL sample doesn't work on Emscripten 1.39

[occt.git] / src / RWStepDimTol / RWStepDimTol_RWDatumSystem.cxx

// Created on: 2015-07-16
// Created by: Irina KRYLOVA
// Copyright (c) 2015 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <RWStepDimTol_RWDatumSystem.hxx>

#include <Interface_EntityIterator.hxx>
#include <StepData_StepReaderData.hxx>
#include <StepData_StepWriter.hxx>
#include <StepDimTol_DatumReferenceCompartment.hxx>
#include <StepDimTol_DatumSystem.hxx>
#include <StepRepr_ProductDefinitionShape.hxx>

//=======================================================================
//function : RWStepDimTol_RWDatumSystem
//purpose  : 
//=======================================================================

RWStepDimTol_RWDatumSystem::RWStepDimTol_RWDatumSystem ()
{
}

//=======================================================================
//function : ReadStep
//purpose  : 
//=======================================================================

void RWStepDimTol_RWDatumSystem::ReadStep (const Handle(StepData_StepReaderData)& data,
                                           const Standard_Integer num,
                                           Handle(Interface_Check)& ach,
                                           const Handle(StepDimTol_DatumSystem) &ent) const
{
  // Check number of parameters
  if ( ! data->CheckNbParams(num,5,ach,"datum_system") ) return;

  // Inherited fields of ShapeAspect

  Handle(TCollection_HAsciiString) aShapeAspect_Name;
  data->ReadString (num, 1, "shape_aspect.name", ach, aShapeAspect_Name);

  Handle(TCollection_HAsciiString) aShapeAspect_Description;
  if ( data->IsParamDefined (num,2) ) {
    data->ReadString (num, 2, "shape_aspect.description", ach, aShapeAspect_Description);
  }

  Handle(StepRepr_ProductDefinitionShape) aShapeAspect_OfShape;
  data->ReadEntity (num, 3, "shape_aspect.of_shape", ach, STANDARD_TYPE(StepRepr_ProductDefinitionShape), aShapeAspect_OfShape);

  StepData_Logical aShapeAspect_ProductDefinitional;
  data->ReadLogical (num, 4, "shape_aspect.product_definitional", ach, aShapeAspect_ProductDefinitional);
  
  // Own fields of DatumSystem
  
  Handle(StepDimTol_HArray1OfDatumReferenceCompartment) aConstituents;
  Handle(StepDimTol_DatumReferenceCompartment) anEnt;
  Standard_Integer nbSub;
  if (data->ReadSubList (num,5,"base",ach,nbSub)) {
    Standard_Integer nbElements = data->NbParams(nbSub);
    aConstituents = new StepDimTol_HArray1OfDatumReferenceCompartment (1, nbElements);
    for (Standard_Integer i = 1; i <= nbElements; i++) {
      if (data->ReadEntity(nbSub, i,"datum_reference_compartment", ach, STANDARD_TYPE(StepDimTol_DatumReferenceCompartment), anEnt))
        aConstituents->SetValue(i, anEnt);
    }
  }
  
  // Initialize entity
  ent->Init(aShapeAspect_Name,
            aShapeAspect_Description,
            aShapeAspect_OfShape,
            aShapeAspect_ProductDefinitional,
            aConstituents);
}

//=======================================================================
//function : WriteStep
//purpose  : 
//=======================================================================

void RWStepDimTol_RWDatumSystem::WriteStep (StepData_StepWriter& SW,
                                            const Handle(StepDimTol_DatumSystem) &ent) const
{

  // Inherited fields of ShapeAspect

  SW.Send (ent->Name());

  SW.Send (ent->Description());

  SW.Send (ent->OfShape());

  SW.SendLogical (ent->ProductDefinitional());
  
  // Own fields of DatumSystem
  Standard_Integer i, nb = ent->NbConstituents();
  SW.OpenSub();
  for (i = 1; i <= nb; i++)  
    SW.Send (ent->ConstituentsValue(i));
  SW.CloseSub();
}

//=======================================================================
//function : Share
//purpose  : 
//=======================================================================

void RWStepDimTol_RWDatumSystem::Share (const Handle(StepDimTol_DatumSystem) &ent,
                                        Interface_EntityIterator& iter) const
{

  // Inherited fields of ShapeAspect

  iter.AddItem (ent->OfShape());
  
  // Own fields of DatumSystem
  Standard_Integer i, nb = ent->NbConstituents();
  for (i = 1; i <= nb; i++)  
    iter.AddItem (ent->ConstituentsValue(i));
}