static inline int nanoarrow_materialize_posixct()

in r/src/materialize_posixct.h [28:77]

• 46 lines of code
• 11 McCabe index (conditional complexity)

static inline int nanoarrow_materialize_posixct(struct RConverter* converter) {
  if (converter->ptype_view.sexp_type == REALSXP) {
    enum ArrowTimeUnit time_unit;
    switch (converter->schema_view.type) {
      case NANOARROW_TYPE_NA:
        time_unit = NANOARROW_TIME_UNIT_SECOND;
        NANOARROW_RETURN_NOT_OK(nanoarrow_materialize_dbl(converter));
        break;
      case NANOARROW_TYPE_DATE64:
        time_unit = NANOARROW_TIME_UNIT_MILLI;
        NANOARROW_RETURN_NOT_OK(nanoarrow_materialize_dbl(converter));
        break;
      case NANOARROW_TYPE_TIMESTAMP:
        time_unit = converter->schema_view.time_unit;
        NANOARROW_RETURN_NOT_OK(nanoarrow_materialize_dbl(converter));
        break;
      default:
        return EINVAL;
    }

    double scale;
    switch (time_unit) {
      case NANOARROW_TIME_UNIT_SECOND:
        scale = 1;
        break;
      case NANOARROW_TIME_UNIT_MILLI:
        scale = 1e-3;
        break;
      case NANOARROW_TIME_UNIT_MICRO:
        scale = 1e-6;
        break;
      case NANOARROW_TIME_UNIT_NANO:
        scale = 1e-9;
        break;
      default:
        return EINVAL;
    }

    if (scale != 1) {
      double* result = REAL(converter->dst.vec_sexp);
      for (int64_t i = 0; i < converter->dst.length; i++) {
        result[converter->dst.offset + i] = result[converter->dst.offset + i] * scale;
      }
    }

    return NANOARROW_OK;
  }

  return EINVAL;
}