/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com
XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.
You may use XOWA according to either of these licenses as is most appropriate
for your project on a case-by-case basis.
The terms of each license can be found in the source code repository:
GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx.xowa.parsers.paras; import gplx.*; import gplx.xowa.*; import gplx.xowa.parsers.*;
import gplx.core.btries.*; import gplx.xowa.langs.*;
import gplx.xowa.parsers.lists.*; import gplx.xowa.parsers.tblws.*; import gplx.xowa.parsers.xndes.*; import gplx.xowa.parsers.lnkis.*; import gplx.xowa.parsers.miscs.*;
public class Xop_nl_lxr implements Xop_lxr {
public int Lxr_tid() {return Xop_lxr_.Tid_nl;}
public void Init_by_wiki(Xowe_wiki wiki, Btrie_fast_mgr core_trie) {core_trie.Add(Byte_ascii.Nl, this);}
public void Init_by_lang(Xol_lang_itm lang, Btrie_fast_mgr core_trie) {}
public void Term(Btrie_fast_mgr core_trie) {}
public int Make_tkn(Xop_ctx ctx, Xop_tkn_mkr tkn_mkr, Xop_root_tkn root, byte[] src, int src_len, int bgn_pos, int cur_pos) {
if (bgn_pos == Xop_parser_.Doc_bgn_bos) return ctx.Lxr_make_txt_(cur_pos); // simulated nl at beginning of every parse
int trim_category_pos = Scan_fwd_for_ctg(ctx, src, cur_pos, src_len);
if (trim_category_pos != Bry_find_.Not_found) { // [[Category]] found after ws
int root_subs_len = root.Subs_len();
if (root_subs_len > 0) {
Xop_tkn_itm tkn = root.Subs_get(root_subs_len - 1);
if (tkn.Tkn_tid() == Xop_tkn_itm_.Tid_eq) {
Xop_eq_tkn eq_tkn = (Xop_eq_tkn)tkn;
if (eq_tkn.Eq_len() > 1) {
Xop_nl_tkn nl_tkn = tkn_mkr.NewLine(bgn_pos, cur_pos, Xop_nl_tkn.Tid_char, 1);
ctx.Subs_add(root, nl_tkn);
}
}
}
return trim_category_pos;
}
Xop_tkn_itm last_tkn = ctx.Stack_get_last(); // BLOCK:invalid_ttl_check
if ( !ctx.Tid_is_image_map()
&& last_tkn != null
&& last_tkn.Tkn_tid() == Xop_tkn_itm_.Tid_lnki) {
Xop_lnki_tkn lnki = (Xop_lnki_tkn)last_tkn;
if ( lnki.Pipe_count_is_zero()) { // always invalid
ctx.Stack_pop_last();
return Xop_lnki_wkr_.Invalidate_lnki(ctx, src, root, lnki, bgn_pos);
}
}
ctx.Apos().End_frame(ctx, root, src, bgn_pos, true); // NOTE: frame should at end at bgn_pos (before \n) not after; else, will create tkn at (5,5), while tkn_mkr.Space creates one at (4,5); DATE:2013-10-31
ctx.Tblw().Cell_pipe_seen_(false); // flip off "|" in tblw seq; EX: "| a\n||" needs to flip off "|" else "||" will be seen as style dlm"; NOTE: not covered by test?
Xop_para_wkr para_wkr = ctx.Para();
switch (ctx.Cur_tkn_tid()) {
case Xop_tkn_itm_.Tid_hdr: // last tkn was hdr; close it; EX: \n==a==\nb; "\n" should close 2nd "=="; DATE:2014-02-17
int acs_pos = ctx.Stack_idx_typ(Xop_tkn_itm_.Tid_hdr);
ctx.Stack_pop_til(root, src, acs_pos, true, bgn_pos, cur_pos, Xop_tkn_itm_.Tid_newLine);
para_wkr.Process_block__bgn_n__end_y(Xop_xnde_tag_.Tag__h2);
break;
case Xop_tkn_itm_.Tid_list: // close list
Xop_list_wkr_.Close_list_if_present(ctx, root, src, bgn_pos, cur_pos);
para_wkr.Process_block__bgn_n__end_y(Xop_xnde_tag_.Tag__li);
break;
case Xop_tkn_itm_.Tid_lnke: // close lnke
if (ctx.Stack_idx_typ(Xop_tkn_itm_.Tid_tmpl_invk) == -1) // only close if no tmpl; MWR: [[SHA-2]]; * {{cite journal|title=Proposed
ctx.Stack_pop_til(root, src, ctx.Stack_idx_typ(Xop_tkn_itm_.Tid_lnke), true, bgn_pos, cur_pos, Xop_tkn_itm_.Tid_newLine);
break;
case Xop_tkn_itm_.Tid_lnki: // NOTE: \n in caption or other multipart lnki; don't call para_wkr.Process
Xop_tkn_itm nl_tkn = tkn_mkr.Space(root, bgn_pos, cur_pos); // convert \n to \s. may result in multiple \s, but rely on htmlViewer to suppress; EX: w:Schwarzschild_radius; and the stellar [[Velocity dispersion|velocity\ndispersion]];
ctx.Subs_add(root, nl_tkn);
return cur_pos;
// case Xop_tkn_itm_.Tid_tblw_tc: case Xop_tkn_itm_.Tid_tblw_td: // STUB: tc/td should not have attributes
case Xop_tkn_itm_.Tid_tblw_tb: case Xop_tkn_itm_.Tid_tblw_tr: case Xop_tkn_itm_.Tid_tblw_th: // nl should close previous tblw's atrs range; EX {{Infobox planet}} and |-\n<tr>
Xop_tblw_wkr.Atrs_close(ctx, src, root, Bool_.N);
break;
}
if ( ctx.Parse_tid() == Xop_parser_tid_.Tid__wtxt // parse_mode is wiki
&& para_wkr.Enabled() // check that para is enabled
)
para_wkr.Process_nl(ctx, root, src, bgn_pos, cur_pos);
else { // parse mode is tmpl, or para is disabled; for latter, adding \n for pretty-print
Xop_nl_tkn nl_tkn = tkn_mkr.NewLine(bgn_pos, cur_pos, Xop_nl_tkn.Tid_char, 1);
ctx.Subs_add(root, nl_tkn);
}
return cur_pos;
}
public static int Scan_fwd_for_ctg(Xop_ctx ctx, byte[] src, int cur_pos, int src_len) {
Btrie_rv trv = new Btrie_rv();
for (int i = cur_pos; i < src_len; i++) {
byte b = src[i];
switch (b) {
case Byte_ascii.Space: case Byte_ascii.Tab: case Byte_ascii.Nl: case Byte_ascii.Cr: // ignore ws
break;
case Byte_ascii.Brack_bgn: // [
if ( Bry_.Has_at(src, src_len, i + 1, Byte_ascii.Brack_bgn) // [[
&& i + 2 < src_len) {
int ttl_bgn = Bry_find_.Find_fwd_while(src, i + 2, src_len, Byte_ascii.Space);
Btrie_slim_mgr ctg_trie = ctx.Wiki().Ns_mgr().Category_trie();
Object ctg_ns = ctg_trie.Match_at(trv, src, ttl_bgn, src_len);
if (ctg_ns != null // "[[Category" found
&& Bry_.Has_at(src, src_len, trv.Pos(), Byte_ascii.Colon)) { // check that next char is :
return i;// return pos of 1st [
}
return Bry_find_.Not_found;
}
break;
default: // non-ws; return not found
return Bry_find_.Not_found;
}
}
return Bry_find_.Not_found;
}
public static final Xop_nl_lxr Instance = new Xop_nl_lxr(); Xop_nl_lxr() {}
}