Method: RGeo::Geos::CAPIGeometryMethods#_steal

Defined in:
ext/geos_c_impl/geometry.c

#_steal(orig) ⇒ Object 



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# File 'ext/geos_c_impl/geometry.c', line 1019

static VALUE
method_geometry_steal(VALUE self, VALUE orig)
{
  RGeo_GeometryData* self_data;
  const GEOSPreparedGeometry* prep;
  const GEOSGeometry* geom;
  RGeo_GeometryData* orig_data;

  geom = rgeo_get_geos_geometry_safe(orig);
  if (geom) {
    // Clear out any existing value
    self_data = RGEO_GEOMETRY_DATA_PTR(self);
    if (self_data->geom) {
      GEOSGeom_destroy(self_data->geom);
    }
    prep = self_data->prep;
    if (prep && prep != (GEOSPreparedGeometry*)1 &&
        prep != (GEOSPreparedGeometry*)2) {
      GEOSPreparedGeom_destroy(prep);
    }

    // Steal value from orig
    orig_data = RGEO_GEOMETRY_DATA_PTR(orig);
    self_data->geom = orig_data->geom;
    self_data->prep = orig_data->prep;
    self_data->factory = orig_data->factory;
    self_data->klasses = orig_data->klasses;

    // Clear out orig
    orig_data->geom = NULL;
    orig_data->prep = NULL;
    orig_data->factory = Qnil;
    orig_data->klasses = Qnil;
  }
  return self;
}