Function ReadSparseArrayBinary

IO/Core/vtkArrayReader.cxx:104–135

template <typename ValueT>
vtkSparseArray<ValueT>* ReadSparseArrayBinary(istream& stream)
{
  // Create the array ...
  vtkSmartPointer<vtkSparseArray<ValueT>> array = vtkSmartPointer<vtkSparseArray<ValueT>>::New();

  // Read the file header ...
  vtkArrayExtents extents;
  vtkArrayExtents::SizeT non_null_size = 0;
  bool swap_endian = false;
  ReadHeader(stream, extents, non_null_size, array);
  ReadEndianOrderMark(stream, swap_endian);

  // Read the array nullptr value ...
  ValueT null_value;
  stream.read(reinterpret_cast<char*>(&null_value), sizeof(ValueT));
  array->SetNullValue(null_value);

  // Read array coordinates ...
  array->ReserveStorage(non_null_size);

  for (vtkArray::DimensionT i = 0; i != array->GetDimensions(); ++i)
  {
    stream.read(reinterpret_cast<char*>(array->GetCoordinateStorage(i)),
      non_null_size * sizeof(vtkArray::CoordinateT));
  }

  // Read array values ...
  stream.read(reinterpret_cast<char*>(array->GetValueStorage()), non_null_size * sizeof(ValueT));

  array->Register(nullptr);
  return array;
}

template <>
vtkSparseArray<vtkStdString>* ReadSparseArrayBinary<vtkStdString>(istream& stream)