public void Special__gen(Xow_wiki wikii, Xoa_page pagei, Xoa_url url, Xoa_ttl ttl) { Xowe_wiki wiki = (Xowe_wiki) wikii; Xoae_page page = (Xoae_page) pagei; Xoa_app app = wiki.App(); Dbui_tbl_itm__bmk ui_tbl = Dbui_tbl_itm__bmk.get_or_new(app, app.User().User_db_mgr().Bmk_mgr().Tbl__itm()); page.Html_data().Head_mgr().Itm__dbui().Init(app).Enabled_y_(); Bry_bfr bfr = wiki.Utl__bfr_mkr().Get_m001(); ui_tbl.Select(bfr, Xoud_bmk_mgr.Owner_root); page.Db().Html().Html_bry_(bfr.To_bry_and_rls()); }
public void Special_gen(Xowe_wiki wiki, Xoae_page page, Xoa_url url, Xoa_ttl ttl) { if (cfg == null) cfg = (Wdata_itemByTitle_cfg) wiki.Appe().Special_mgr().Get_or_null(Wdata_itemByTitle_cfg.Key); // Special:ItemByTitle/enwiki/Earth -> www.wikidata.org/wiki/Q2 Gfo_usr_dlg usr_dlg = wiki.Appe().Usr_dlg(); byte[] site_bry = cfg.Site_default(); byte[] page_bry = Bry_.Empty; byte[] raw_bry = ttl.Full_txt_wo_qarg(); // EX: enwiki/Earth int args_len = url.Args().length; if (args_len > 0) { arg_hash.Load(url); site_bry = arg_hash.Get_val_bry_or(Arg_site, Bry_.Empty); page_bry = arg_hash.Get_val_bry_or(Arg_page, Bry_.Empty); } int site_bgn = Bry_finder.Find_fwd(raw_bry, Xoa_ttl.Subpage_spr); if (site_bgn != Bry_.NotFound) { // leaf arg is available int page_bgn = Bry_finder.Find_fwd(raw_bry, Xoa_ttl.Subpage_spr, site_bgn + 1); int raw_bry_len = raw_bry.length; if (page_bgn != Bry_.NotFound && page_bgn < raw_bry_len) { // pipe is found and not last char (EX: "enwiki/" is invalid site_bry = Bry_.Mid(raw_bry, site_bgn + 1, page_bgn); page_bry = Bry_.Mid(raw_bry, page_bgn + 1, raw_bry_len); } } Xoae_app app = wiki.Appe(); if (Bry_.Len_gt_0(site_bry) && Bry_.Len_gt_0(page_bry)) if (Navigate(usr_dlg, app, app.Wiki_mgr().Wdata_mgr(), page, site_bry, page_bry)) return; Bry_bfr tmp_bfr = wiki.Utl__bfr_mkr().Get_k004(); html_fmtr.Bld_bfr_many( tmp_bfr, "Search for items by site and title", "Site", site_bry, "Page", page_bry, "Search"); page.Data_raw_(tmp_bfr.To_bry_and_rls()); page.Html_data().Html_restricted_n_(); // [[Special:]] pages allow all HTML }
class Xow_search_scanner { private final List_adp tkns = List_adp_.new_(); private byte[] src; private int src_len, pos, txt_bgn; private final Ordered_hash tmp_list = Ordered_hash_.new_(); private final Bry_bfr tmp_bfr = Bry_bfr.new_(); public Xow_search_tkn[] Scan(byte[] src) { this.src = src; this.src_len = src.length; tkns.Clear(); pos = 0; txt_bgn = -1; while (pos < src_len) { byte cur_b = src[pos]; Object cur_obj = trie.Match_bgn_w_byte(cur_b, src, pos, src_len); if (cur_obj == null) { // text character if (txt_bgn == -1) txt_bgn = pos; // 1st character not set; set it ++pos; } else { // AND, OR, (, ), -, \s, " int pos_end = trie.Match_pos(); byte cur_tid = ((Byte_obj_val) cur_obj).Val(); if (Cur_join_is_word(cur_tid, pos_end)) continue; // ignore words containing "and", "or"; EX: "random"; "for" if (txt_bgn != -1) { // pending word; create Tkns_add_word(Xow_search_tkn.Tid_word, txt_bgn, pos); txt_bgn = -1; } switch (cur_tid) { case Xow_search_tkn.Tid_space: // discard spaces pos = Bry_finder.Find_fwd_while(src, pos, src_len, Byte_ascii.Space); break; case Xow_search_tkn.Tid_quote: // find end quote and add as word int quote_bgn = pos + 1; int quote_end = Bry_finder.Find_fwd(src, Byte_ascii.Quote, quote_bgn, src_len); if (quote_end == Bry_.NotFound) throw Err_.new_fmt_("could not find end quote: {0}", String_.new_u8(src)); Tkns_add_word(Xow_search_tkn.Tid_word_quoted, quote_bgn, quote_end); pos = quote_end + 1; // +1 to place after quote break; case Xow_search_tkn.Tid_not: Tkns_add_word(Xow_search_tkn.Tid_not, pos, pos_end); pos = pos_end; break; case Xow_search_tkn.Tid_paren_bgn: case Xow_search_tkn.Tid_paren_end: case Xow_search_tkn.Tid_and: case Xow_search_tkn.Tid_or: tkns.Add(new_tkn(cur_tid, pos, pos_end)); pos = pos_end; break; default: throw Err_.unhandled(cur_tid); } } } if (txt_bgn != -1) { // pending word; create Tkns_add_word(Xow_search_tkn.Tid_word, txt_bgn, pos); txt_bgn = -1; } return (Xow_search_tkn[]) tkns.To_ary_and_clear(Xow_search_tkn.class); } private boolean Cur_join_is_word( byte cur_tid, int pos_end) { // extra logic to handle and / or occuring in unquoted strings; EX: "random"; // "for" switch (cur_tid) { default: return false; // only look at AND, OR, - case Xow_search_tkn.Tid_and: case Xow_search_tkn.Tid_or: case Xow_search_tkn.Tid_not: break; } boolean join_is_word = true; if (txt_bgn == -1) { // no pending word; if (cur_tid == Xow_search_tkn.Tid_not) return false; // NOT is only operator if no pending tkn; EX: -abc -> NOT abc; a-b -> a-b byte nxt_b = pos_end < src_len ? src[pos_end] : Byte_ascii.Nil; Object nxt_obj = trie.Match_bgn_w_byte(nxt_b, src, pos_end, src_len); if (nxt_obj == null) // next tkn is text; join must be word join_is_word = true; else { // next tkn is tkn byte nxt_tid = ((Byte_obj_val) nxt_obj).Val(); switch (nxt_tid) { case Xow_search_tkn.Tid_space: case Xow_search_tkn.Tid_quote: case Xow_search_tkn.Tid_paren_bgn: case Xow_search_tkn.Tid_paren_end: join_is_word = false; // next tkn is sym; and/or is not word; EX: a AND ; a AND"b"; a AND(b) break; case Xow_search_tkn.Tid_not: case Xow_search_tkn.Tid_and: case Xow_search_tkn.Tid_or: join_is_word = true; // next tkn is and or not; and/or is word; EX: andor; oror; or-abc; break; default: throw Err_.unhandled(cur_tid); } } } else { // pending word; cur join must be word; EX: "grand": "and" invoked and "gr" pending join_is_word = true; } if (join_is_word) { if (txt_bgn == -1) txt_bgn = pos; // 1st character not set; set it pos = pos_end; return true; } if (txt_bgn != -1) { Tkns_add_word(Xow_search_tkn.Tid_word, txt_bgn, pos); // create word txt_bgn = -1; } return false; } private void Tkns_add_word(byte tid, int src_bgn, int src_end) { if (tkns.Count() > 0) { // at least 1 tkn; check for "auto-and" Xow_search_tkn last_tkn = (Xow_search_tkn) tkns.Get_at_last(); if (last_tkn.Tid() == Xow_search_tkn.Tid_word) // previous tkn is word; auto "AND" words; EX: A B -> A AND B tkns.Add(Xow_search_tkn.new_bry(Xow_search_tkn.Tid_and, Bry_and)); } if (tid == Xow_search_tkn .Tid_word) { // if word has symbol, convert to quoted; EX: a-b should become "a-b"; // otherwise searcher would search for a single word a-b byte[] cur_word = Bry_.Mid(src, src_bgn, src_end); byte[][] words = gplx.xowa.bldrs.cmds.texts.Xob_search_base.Split_ttl_into_words( null, tmp_list, tmp_bfr, cur_word); int words_len = words.length; if (words_len == 1 // only one word && !Bry_.Eq(words[0], cur_word) // split word not same as raw && Bry_finder.Find_fwd(cur_word, Byte_ascii.Star) == -1 // no asterisk ) { tkns.Add(Xow_search_tkn.new_bry(tid, words[0])); return; } if (words.length > 1) // multiple words; add as quoted-term; EX: "a-b" tid = Xow_search_tkn.Tid_word_quoted; } tkns.Add(new_tkn(tid, src_bgn, src_end)); } private Xow_search_tkn new_tkn(byte tid, int val_bgn, int val_end) { return Xow_search_tkn.new_pos(tid, val_bgn, val_end); } private static final byte[] Bry_and = Bry_.new_a7("AND"); private static final Btrie_slim_mgr trie = Btrie_slim_mgr.ci_ascii_() // NOTE:ci.ascii:OR / AND only .Add_str_byte(" ", Xow_search_tkn.Tid_space) .Add_str_byte("\"", Xow_search_tkn.Tid_quote) .Add_str_byte("-", Xow_search_tkn.Tid_not) .Add_str_byte("(", Xow_search_tkn.Tid_paren_bgn) .Add_str_byte(")", Xow_search_tkn.Tid_paren_end) .Add_str_byte("or", Xow_search_tkn.Tid_or) .Add_str_byte("and", Xow_search_tkn.Tid_and); }