AbstractChosen.prototype.winnow_results = function()

in solr/webapp/solr/libs/chosen.jquery.js [323:379]
56 lines of code
21 McCabe index (conditional complexity)

    AbstractChosen.prototype.winnow_results = function() {
      var escapedSearchText, option, regex, regexAnchor, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref;

      this.no_results_clear();
      results = 0;
      searchText = this.get_search_text();
      escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
      regexAnchor = this.search_contains ? "" : "^";
      regex = new RegExp(regexAnchor + escapedSearchText, 'i');
      zregex = new RegExp(escapedSearchText, 'i');
      _ref = this.results_data;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        option = _ref[_i];
        option.search_match = false;
        results_group = null;
        if (this.include_option_in_results(option)) {
          if (option.group) {
            option.group_match = false;
            option.active_options = 0;
          }
          if ((option.group_array_index != null) && this.results_data[option.group_array_index]) {
            results_group = this.results_data[option.group_array_index];
            if (results_group.active_options === 0 && results_group.search_match) {
              results += 1;
            }
            results_group.active_options += 1;
          }
          if (!(option.group && !this.group_search)) {
            option.search_text = option.group ? option.label : option.html;
            option.search_match = this.search_string_match(option.search_text, regex);
            if (option.search_match && !option.group) {
              results += 1;
            }
            if (option.search_match) {
              if (searchText.length) {
                startpos = option.search_text.search(zregex);
                text = option.search_text.substr(0, startpos + searchText.length) + '</em>' + option.search_text.substr(startpos + searchText.length);
                option.search_text = text.substr(0, startpos) + '<em>' + text.substr(startpos);
              }
              if (results_group != null) {
                results_group.group_match = true;
              }
            } else if ((option.group_array_index != null) && this.results_data[option.group_array_index].search_match) {
              option.search_match = true;
            }
          }
        }
      }
      this.result_clear_highlight();
      if (results < 1 && searchText.length) {
        this.update_results_content("");
        return this.no_results(searchText);
      } else {
        this.update_results_content(this.results_option_build());
        return this.winnow_results_set_highlight();
      }
    };