Method create_initial_layer_props

src/laybasic/laybasic/layLayoutViewBase.cc:3674–3742

}

void 
LayoutViewBase::create_initial_layer_props (int cv_index, const std::string &lyp_file, bool add_missing)
{
  std::vector<lay::LayerPropertiesList> props;
  bool loaded = false;

  if (! lyp_file.empty ()) {

    //  read the layer properties from the file
    try { 

      try {
        tl::XMLFileSource in (lyp_file);
        props.push_back (lay::LayerPropertiesList ());
        props.back ().load (in);
        loaded = true;
      } catch (...) {
        props.clear ();
        tl::XMLFileSource in (lyp_file);
        tl::log << tl::to_string (tr ("Loading layer properties file: ")) << lyp_file;
        lay::LayerPropertiesList::load (in, props);
        loaded = true;
      }

    } catch (tl::Exception &ex) {
      tl::warn << tl::to_string (tr ("Initialization of layers failed: ")) << ex.msg ();
    } catch (...) {
      tl::warn << tl::to_string (tr ("Initialization of layers failed: unspecific error"));
    }

  }

  std::map <int, int> cv_map;
  cv_map.insert (std::make_pair (-1, cv_index));

  if (! loaded) {

    props.clear ();
    props.push_back (lay::LayerPropertiesList ());

  } else {

    //  do't map cv's if the input file is a multi-cv one.
    std::set <int> cv;
    for (std::vector<lay::LayerPropertiesList>::const_iterator p = props.begin (); p != props.end (); ++p) {
      for (lay::LayerPropertiesConstIterator lp = p->begin_const_recursive (); ! lp.at_end (); ++lp) {
        if (! lp->has_children ()) {
          cv.insert (lp->source (true).cv_index ());
          if (cv.size () >= 2) {
            cv_map.clear ();
            cv_map.insert (std::make_pair (cv_index, cv_index));
            //  erase the others:
            cv_map.insert (std::make_pair (-1, -2));
            break;
          }
        }
      }
    }