public boolean Bld(
Xop_ctx ctx,
Xop_tkn_mkr tkn_mkr,
Xop_arg_wkr wkr,
int wkr_typ,
Xop_root_tkn root,
Xop_tkn_itm tkn,
int bgn_pos,
int cur_pos,
int loop_bgn,
int loop_end,
byte[] src) {
boolean ws_bgn_chk = true, colon_chk = false, itm_is_static = true, key_exists = false;
int ws_bgn_idx = -1, ws_end_idx = -1, cur_itm_subs_len = 0, cur_nde_idx = -1;
Arg_nde_tkn cur_nde = null;
Arg_itm_tkn cur_itm = null;
int brack_count = 0;
Xop_tkn_itm eq_pending = null;
for (int i = loop_bgn;
i < loop_end;
i++) { // loop over subs between bookends; if lnki, all tkns between [[ and ]]; if tmpl, {{
// and }}
Xop_tkn_itm sub = root.Subs_get(i);
int sub_pos_bgn = sub.Src_bgn_grp(root, i);
if (cur_nde == null) {
cur_nde = tkn_mkr.ArgNde(++cur_nde_idx, sub_pos_bgn);
brack_count = 0;
key_exists = false;
}
if (cur_itm == null) {
cur_itm = tkn_mkr.ArgItm(sub_pos_bgn, -1);
itm_is_static = ws_bgn_chk = true;
cur_itm_subs_len = 0;
ws_bgn_idx = ws_end_idx = -1;
if (eq_pending
!= null) { // something like "A==B" encountered; zh.w:Wikipedia:条目评选; DATE:2014-08-27
eq_pending.Src_end_(eq_pending.Src_end() - 1); // remove an "=" EX:"A==B" -> "A","=","=B"
cur_itm.Subs_add_grp(eq_pending, root, i);
cur_itm_subs_len++; // add the tkn to cur_itm
eq_pending = null;
}
}
switch (sub.Tkn_tid()) {
case Xop_tkn_itm_
.Tid_ignore: // comment or *include* tkn; mark itm as non_static for tmpl (forces
// re-eval)
switch (wkr_typ) {
case Xop_arg_wkr_.Typ_tmpl:
case Xop_arg_wkr_.Typ_prm:
itm_is_static = false;
break;
}
break;
case Xop_tkn_itm_
.Tid_para: // NOTE: para can appear in following: [[File:A.png| \n 40px]]; EX:
// w:Supreme_Court_of_the_United_States; DATE:2014-04-05
case Xop_tkn_itm_.Tid_newLine:
case Xop_tkn_itm_.Tid_space:
case Xop_tkn_itm_.Tid_tab: // whitespace
if (ws_bgn_chk)
ws_bgn_idx =
cur_itm_subs_len; // definite ws at bgn; set ws_bgn_idx, and keep setting until text
// tkn reached; handles mixed sequence of \s\n\t where last tkn
// should be ws_bgn_idx
else {
if (ws_end_idx == -1) ws_end_idx = cur_itm_subs_len;
}
; // possible ws at end; may be overriden later; see AdjustWsForTxtTkn
break;
case Xop_tkn_itm_.Tid_colon:
if (wkr_typ
== Xop_arg_wkr_
.Typ_tmpl) { // treat colons as text; tmpl will do its own : parsing for 1st arg;
// NOTE: must do ws check else 2nd colon will break; EX: "{{#ifeq:
// :|a|b|c}}"; DATE:2013-12-10
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
} else {
if (cur_nde_idx == 0
&& !colon_chk) { // if 1st arg, mark colon pos; needed for lnki; EX: [[Category:A]];
// {{#ifeq:1}}
colon_chk = true;
cur_nde.Arg_colon_pos_(sub_pos_bgn);
}
}
break;
case Xop_tkn_itm_.Tid_brack_bgn:
++brack_count;
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
break;
case Xop_tkn_itm_.Tid_brack_end:
--brack_count;
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
break;
case Xop_tkn_itm_.Tid_eq:
if (wkr_typ == Xop_arg_wkr_.Typ_tmpl && brack_count > 0) {
} else if (wkr_typ == Xop_arg_wkr_.Typ_prm) {
} // always ignore for prm
else {
if (cur_nde_idx
!= 0 // if 1st arg, treat equal_tkn as txt_tkn; i.e.: eq should not be used to
// separate key/val
&& cur_nde.Eq_tkn()
== Xop_tkn_null
.Null_tkn // only mark key if key is not set; handle multiple-keys; EX:
// {{name|key1=b=c}}; DATE:2014-02-09
) {
Xop_eq_tkn sub_as_eq = (Xop_eq_tkn) sub;
int sub_as_eq_len = sub_as_eq.Eq_len();
boolean eq_is_spr =
sub_as_eq_len
== 1 // eq with len of 1 are considered separators;
// MW.REF:Preprocessor_DOM.php|preprocessToXml; "if ( $count == 1 &&
// $findEquals )" PAGE:en.w:Wikipedia:Picture_of_the_day/June_2014;
// DATE:2014-07-21
|| (cur_itm.Subs_len()
> 0 // or eq.len > 1 that occur later in itm; EX: a==b;
// zh.w:Wikipedia:条目评选; DATE:2014-08-27
&& cur_itm.Subs_get(0).Tkn_tid()
!= Xop_tkn_itm_
.Tid_eq // and 1st tkn is not ==; EX:==a==; 2nd == should not be
// eq b/c 1st == "deactivates" nde; DATE:2014-08-27
);
if (eq_is_spr) {
if (sub_as_eq_len == 1) // =.len == 1
cur_nde.Eq_tkn_(sub); // set as eq tkn
else // =.len > 1
eq_pending =
sub; // do not set as eq tkn; note that Eq_tkn exists for bookkeeping and is
// not printed out,
key_exists = true;
Arg_itm_end(
ctx,
cur_nde,
cur_itm,
ws_bgn_idx,
ws_end_idx,
cur_itm_subs_len,
sub_pos_bgn,
wkr_typ,
key_exists,
true,
itm_is_static,
src,
cur_nde_idx);
cur_nde.Key_tkn_(cur_itm);
cur_itm = null;
continue; // do not add tkn to cur_itm
}
}
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
break;
}
break;
case Xop_tkn_itm_.Tid_pipe:
if (cur_nde_idx == 0 && ws_bgn_chk && !colon_chk && wkr_typ == Xop_arg_wkr_.Typ_tmpl)
return false; // 1st arg, but no name; EX: "{{|a}}", "{{ }}"; disregard if lnki, since
// "[[|a]]" is valid
if (wkr_typ == Xop_arg_wkr_.Typ_tmpl && brack_count > 0) {
break;
} else {
Arg_itm_end(
ctx,
cur_nde,
cur_itm,
ws_bgn_idx,
ws_end_idx,
cur_itm_subs_len,
sub_pos_bgn,
wkr_typ,
key_exists,
false,
itm_is_static,
src,
cur_nde_idx);
cur_nde.Val_tkn_(cur_itm);
if (!wkr.Args_add(ctx, src, tkn, cur_nde, cur_nde_idx))
return false; // NOTE: if invalid, exit now; lnki_wkr expects false if any argument is
// invalid; DATE:2014-06-06
cur_nde = null;
cur_itm = null;
key_exists = false; // reset
continue; // do not add tkn to cur_itm
}
case Xop_tkn_itm_
.Tid_tmpl_prm: // nested prm (3 {) or invk (2 {); mark itm_is_static = false and treat
// tkn as txt
case Xop_tkn_itm_.Tid_tmpl_invk:
itm_is_static = false;
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
break;
case Xop_tkn_itm_.Tid_xnde:
Xop_xnde_tkn sub_as_xnde = (Xop_xnde_tkn) sub;
switch (sub_as_xnde.Tag().Id()) {
case Xop_xnde_tag_.Tid__noinclude:
case Xop_xnde_tag_.Tid__includeonly:
case Xop_xnde_tag_.Tid__onlyinclude:
itm_is_static = false;
break;
}
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
break;
default:
if (ws_bgn_chk) ws_bgn_chk = false;
else ws_end_idx = -1; // INLINE: AdjustWsForTxtTkn
break;
}
cur_itm.Subs_add_grp(sub, root, i);
cur_itm_subs_len++;
}
if (brack_count > 0) return false;
if (cur_nde == null) // occurs when | is last tkn; EX: {{name|a|}};
cur_nde = tkn_mkr.ArgNde(++cur_nde_idx, bgn_pos);
if (cur_itm == null) { // occurs when = is last tkn; EX: {{name|a=}};
cur_itm = tkn_mkr.ArgItm(bgn_pos, -1);
itm_is_static = ws_bgn_chk = true;
cur_itm_subs_len = 0;
ws_bgn_idx = ws_end_idx = -1;
key_exists = false;
}
Arg_itm_end(
ctx,
cur_nde,
cur_itm,
ws_bgn_idx,
ws_end_idx,
cur_itm_subs_len,
bgn_pos,
wkr_typ,
key_exists,
false,
itm_is_static,
src,
cur_nde_idx);
cur_nde.Val_tkn_(cur_itm);
return wkr.Args_add(ctx, src, tkn, cur_nde, cur_nde_idx);
}
private void Arg_itm_end(
Xop_ctx ctx,
Arg_nde_tkn nde,
Arg_itm_tkn itm,
int ws_bgn_idx,
int ws_end_idx,
int subs_len,
int lxr_bgn,
int wkr_typ,
boolean key_exists,
boolean cur_itm_is_key,
boolean itm_is_static,
byte[] src,
int arg_idx) {
// PURPOSE: mark tkns Ignore; find dat_bgn, dat_end
int dat_bgn = itm.Src_bgn(), dat_end = lxr_bgn;
boolean trim = false;
// trim ws at bgn
boolean wkr_is_not_prm = wkr_typ != Xop_arg_wkr_.Typ_prm;
if (ws_bgn_idx
!= -1) { // ignore ws if (ws_found_at_bgn && (tmpl_arg || (lnki_arg && key))); lnki_arg &&
// val does not ignore at bgn; EX: [[alt= a b c]] -> " a b c"
switch (wkr_typ) {
case Xop_arg_wkr_.Typ_prm:
trim = arg_idx == 0;
break;
case Xop_arg_wkr_.Typ_tmpl:
trim = key_exists || arg_idx == 0;
break;
case Xop_arg_wkr_.Typ_lnki:
trim = cur_itm_is_key || !key_exists;
break; // NOTE: trim if "a= b"; skip if " a=b" or " a"
}
if (trim) {
for (int i = 0; i <= ws_bgn_idx; i++) {
Xop_tkn_itm sub_tkn = itm.Subs_get(i); // NOTE: tknTypeId should be space, newline, or tab
if (wkr_is_not_prm)
sub_tkn.Ignore_y_grp_(ctx, itm, i); // mark tkn ignore unless wkr is prm; SEE:NOTE_1
if (i == ws_bgn_idx)
dat_bgn = sub_tkn.Src_end_grp(itm, i); // if last_tkn, set dat_bgn to bgn
}
}
}
// trim ws at end
if (ws_end_idx
!= -1) { // ignore ws if (ws_found_at_end && (tmpl_arg || (lnki_arg && val))); lnki_arg &&
// key does not ignore at end; EX: [[alt =a b c]] -> unrecognized nde ("alt ")
trim = false;
switch (wkr_typ) {
case Xop_arg_wkr_.Typ_prm:
trim = arg_idx == 0;
break;
case Xop_arg_wkr_.Typ_tmpl:
trim = key_exists || arg_idx == 0;
break; // NOTE: never set "trim = true";
// PAGE:fr.w:Histoire_de_la_marine_française_sous_Louis_XV_et_Louis_XVI
// DATE:2015-11-17
case Xop_arg_wkr_.Typ_lnki:
trim = !cur_itm_is_key;
break;
}
if (trim) {
for (int i = ws_end_idx; i < subs_len; i++) {
Xop_tkn_itm sub_tkn = itm.Subs_get(i); // NOTE: tknTypeId should be space, newline, or tab
if (wkr_is_not_prm)
sub_tkn.Ignore_y_grp_(ctx, itm, i); // mark tkn ignore unless wkr is prm; SEE:NOTE_1
if (i == ws_end_idx)
dat_end = sub_tkn.Src_bgn_grp(itm, i); // if 1st_tkn; set dat_end to bgn
}
}
}
itm.Src_end_(lxr_bgn);
nde.Src_end_(lxr_bgn); // NOTE: src_end is lxr_bgn; EX: {{a}} has src_end at 3; lxr_bgn for }}
itm.Dat_rng_(
dat_bgn,
dat_end); // always set dat, even if itm has dynamic parts; EX: {{{ a{{{1}}}b }}} has 4,13,
// not 3,14 (ignore ws)
// if (itm_is_static)
// itm.Dat_ary_(dat_end == dat_bgn ? Bry_.Empty : Bry_.Mid(src, dat_bgn, dat_end));
itm.Itm_static_(itm_is_static);
}