private void Write_page_by_tid(
      Xop_ctx ctx,
      Xoh_wtr_ctx hctx,
      byte html_gen_tid,
      Bry_bfr bfr,
      Bry_fmtr fmtr,
      byte[] page_data) {
    // if custom_html, use it and exit; needed for Default_tab
    byte[] custom_html = page.Html_data().Custom_html();
    if (custom_html != null) {
      bfr.Add(custom_html);
      return;
    }
    // temp variables
    if (root_dir_bry == null) this.root_dir_bry = app.Fsys_mgr().Root_dir().To_http_file_bry();
    Xoa_ttl page_ttl = page.Ttl();
    int page_ns_id = page_ttl.Ns().Id();
    byte page_tid = Xow_page_tid.Identify(wiki.Domain_tid(), page_ns_id, page_ttl.Page_db());
    DateAdp modified_on = page.Db().Page().Modified_on();
    byte[] modified_on_msg =
        wiki.Msg_mgr()
            .Val_by_id_args(
                Xol_msg_itm_.Id_portal_lastmodified,
                modified_on.XtoStr_fmt_yyyy_MM_dd(),
                modified_on.XtoStr_fmt_HHmm());
    byte[] page_body_class = Xoh_page_body_cls.Calc(tmp_bfr, page_ttl, page_tid);
    byte[] html_content_editable =
        wiki.Gui_mgr().Cfg_browser().Content_editable() ? Content_editable_bry : Bry_.Empty;
    byte[] page_content_sub = Xoh_page_wtr_wkr_.Bld_page_content_sub(app, wiki, page, tmp_bfr);
    byte[] js_edit_toolbar_bry =
        html_gen_tid == Xopg_page_.Tid_edit
            ? wiki.Fragment_mgr().Html_js_edit_toolbar()
            : Bry_.Empty;
    Xol_vnt_mgr vnt_mgr = wiki.Lang().Vnt_mgr();
    if (vnt_mgr.Enabled()) {
      byte[] converted_title = vnt_mgr.Convert_lang().Converted_title(); // prefer converted title
      if (converted_title
          == null) // converted title does not exist; use regular page title and convert it
      converted_title = vnt_mgr.Convert_lang().Auto_convert(vnt_mgr.Cur_itm(), page_ttl.Page_txt());
      page_ttl = Xoa_ttl.Parse(wiki, page_ttl.Ns().Id(), converted_title);
    }
    byte[] page_name =
        Xoh_page_wtr_wkr_.Bld_page_name(
            tmp_bfr, page_ttl,
            null); // NOTE: page_name does not show display_title (<i>). always pass in null
    byte[] page_display_title =
        Xoh_page_wtr_wkr_.Bld_page_name(tmp_bfr, page_ttl, page.Html_data().Display_ttl());
    page.Html_data()
        .Custom_tab_name_(
            page_name); // set tab_name to page_name; note that if null, gui code will ignore and
                        // use Ttl.Page_txt; PAGE: zh.w:釣魚臺列嶼主權問題 DATE:2015-10-05
    Xow_portal_mgr portal_mgr = wiki.Html_mgr().Portal_mgr().Init_assert();
    fmtr.Bld_bfr_many(
        bfr,
        root_dir_bry,
        Xoa_app_.Version,
        Xoa_app_.Build_date,
        app.Tcp_server().Running_str(),
        page.Db().Page().Id(),
        page.Ttl().Full_db(),
        page_name,
        page.Html_data().Page_heading().Init(page.Html_data(), page_display_title),
        modified_on_msg,
        mgr.Css_common_bry(),
        mgr.Css_wiki_bry(),
        page.Html_data().Head_mgr().Init(app, wiki, page).Init_dflts(),
        page.Lang().Dir_ltr_bry(),
        page.Html_data().Indicators(),
        page_content_sub,
        wiki.Html_mgr().Portal_mgr().Div_jump_to(),
        wiki.Xtn_mgr().Xtn_pgbnr().Write_html(page, ctx, hctx),
        page_body_class,
        html_content_editable,
        page_data,
        wdata_lang_wtr

        // sidebar divs
        ,
        portal_mgr.Div_personal_bry(),
        portal_mgr.Div_ns_bry(wiki.Utl__bfr_mkr(), page_ttl, wiki.Ns_mgr()),
        portal_mgr.Div_view_bry(
            wiki.Utl__bfr_mkr(), html_gen_tid, page.Html_data().Xtn_search_text()),
        portal_mgr.Div_logo_bry(),
        portal_mgr.Div_home_bry(),
        new Xopg_xtn_skin_fmtr_arg(page, Xopg_xtn_skin_itm_tid.Tid_sidebar),
        portal_mgr.Div_sync_bry(
            tmp_bfr, app.Api_root().Addon().Bldr().Sync().Manual_enabled(), wiki, page),
        portal_mgr.Div_wikis_bry(wiki.Utl__bfr_mkr()),
        portal_mgr.Sidebar_mgr().Html_bry(),
        mgr.Edit_rename_div_bry(page_ttl),
        page.Html_data().Edit_preview_w_dbg(),
        js_edit_toolbar_bry);
    Xoh_page_wtr_wkr_.Bld_head_end(bfr, tmp_bfr, page); // add after </head>
    Xoh_page_wtr_wkr_.Bld_html_end(bfr, tmp_bfr, page); // add after </html>		
  }
public class Xol_duration_mgr {
  private Xol_msg_itm[] interval_msgs = null;
  private final Bry_bfr tmp_bfr = Bry_bfr_.Reset(255);
  private final Bry_fmtr tmp_fmtr = Bry_fmtr.New__tmp();

  public Xol_duration_mgr(Xol_lang_itm lang) {
    this.lang = lang;
  }

  private Xol_lang_itm lang;

  public Xol_interval_itm[] Get_duration_intervals(long seconds, Xol_duration_itm[] intervals) {
    if (intervals == null) intervals = Xol_duration_itm_.Ary_default;
    Array_.Sort(intervals, Xol_duration_itm_sorter.Instance);
    int intervals_len = intervals.length;
    long val = seconds;
    List_adp rv = List_adp_.New();
    for (int i = 0; i < intervals_len; i++) {
      Xol_duration_itm itm = intervals[i];
      long itm_seconds = itm.Seconds();
      val = seconds / itm_seconds;
      if (val > 0
          || (i == intervals_len - 1
              && rv.Count()
                  == 0) // always add one seg; EX: 40 seconds, but minutes requested -> 0 minutes;
                        // DATE:2014-05-10
      ) {
        seconds -= val * itm_seconds;
        rv.Add(new Xol_interval_itm(itm, val));
      }
    }
    return (Xol_interval_itm[]) rv.To_ary(Xol_interval_itm.class);
  }

  public byte[] Format_durations(Xop_ctx ctx, long seconds, Xol_duration_itm[] ary) {
    if (interval_msgs == null) Format_durations_init();
    Xol_interval_itm[] intervals = Get_duration_intervals(seconds, ary);
    int intervals_len = intervals.length;
    byte[][] msgs_ary = new byte[intervals_len][];
    for (int i = 0; i < intervals_len; i++) {
      Xol_interval_itm interval = intervals[i];
      Xol_msg_itm msg_itm = interval_msgs[interval.Duration_itm().Tid()];
      byte[] msg_bry = msg_itm.Fmt(tmp_bfr, tmp_fmtr, interval.Val());
      msg_bry = ctx.Wiki().Parser_mgr().Main().Parse_text_to_html(ctx, msg_bry);
      msgs_ary[i] = msg_bry;
    }
    return List_to_str(msgs_ary);
  }

  private byte[] Msg_and, Msg_word_separator, Msg_comma_separator;

  private void Format_durations_init() {
    Xol_msg_mgr msg_mgr = lang.Msg_mgr();
    int len = Xol_duration_itm_.Ary_default.length;
    interval_msgs = new Xol_msg_itm[len];
    for (int i = 0; i < len; i++) {
      Xol_duration_itm itm = Xol_duration_itm_.Ary_default[i];
      byte[] msg_key = Bry_.Add(Bry_duration, itm.Name_bry());
      interval_msgs[i] = msg_mgr.Itm_by_key_or_new(msg_key);
    }
  }

  private static final byte[] Bry_duration = Bry_.new_a7("duration-");

  private void List_to_str_init() {
    Xol_msg_mgr msg_mgr = lang.Msg_mgr();
    Msg_and = msg_mgr.Val_by_str_or_empty("and");
    Msg_word_separator = msg_mgr.Val_by_str_or_empty("word-separator");
    Msg_comma_separator = msg_mgr.Val_by_str_or_empty("comma-separator");
  }

  public byte[] List_to_str(byte[][] segs_ary) {
    int len = segs_ary.length;
    switch (len) {
      case 0:
        return Bry_.Empty;
      case 1:
        return segs_ary[0];
      default:
        if (Msg_and == null) List_to_str_init();
        int last_idx = len - 1;
        for (int i = 0; i < last_idx; i++) {
          if (i != 0) tmp_bfr.Add(Msg_comma_separator);
          tmp_bfr.Add(segs_ary[i]);
        }
        tmp_bfr.Add(Msg_and).Add(Msg_word_separator).Add(segs_ary[last_idx]);
        return tmp_bfr.To_bry_and_clear();
    }
  }
}