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Code Issues Projects Releases Wiki Activity

Redirect: Allow redirects to Special pages

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This commit is contained in:
gnosygnu 2016-12-28 17:51:12 -05:00
parent 982cd2b848
commit 4c3ea9890d
1 changed files with 38 additions and 29 deletions
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67
400_xowa/src/gplx/xowa/wikis/pages/Xow_page_mgr.java
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@ -32,40 +32,49 @@ public class Xow_page_mgr implements Gfo_invk {
} }
private void Load_by_ns(Xoae_page rv, Xoa_url url, Xoa_ttl ttl, boolean called_from_msg) { private void Load_by_ns(Xoae_page rv, Xoa_url url, Xoa_ttl ttl, boolean called_from_msg) {
rv.Url_(url); // NOTE: must update page.Url(); should combine with Xoae_page.New() rv.Url_(url); // NOTE: must update page.Url(); should combine with Xoae_page.New()
Xow_ns ns = ttl.Ns();
switch (ns.Id()) { // WORKAROUND: loop twice in order to allow redirects from regular page to special
case Xow_ns_.Tid__special: // Special pages are built (not loaded from db) for (int i = 0; i < 2; i++) {
wiki.Special_mgr().Special__gen(wiki.App(), wiki, rv, url, ttl); Xow_ns ns = ttl.Ns();
Xopg_redirect_itm redirect_itm = rv.Redirect_trail().Itms__get_at_nth_or_null(); switch (ns.Id()) {
if (redirect_itm != null) { case Xow_ns_.Tid__special: // Special pages are built (not loaded from db)
rv.Redirect_trail().Clear(); // clear needed; EX: Special:Random -> [[Redirected_page]] -> {must clear here} -> [[Page]] wiki.Special_mgr().Special__gen(wiki.App(), wiki, rv, url, ttl);
Load_by_ns(rv, redirect_itm.Url(), redirect_itm.Ttl(), called_from_msg); Xopg_redirect_itm redirect_itm = rv.Redirect_trail().Itms__get_at_nth_or_null();
} if (redirect_itm != null) {
return; rv.Redirect_trail().Clear(); // clear needed; EX: Special:Random -> [[Redirected_page]] -> {must clear here} -> [[Page]]
case Xow_ns_.Tid__mediawiki: // MediaWiki msgs can either be loaded from memory, or from database Load_by_ns(rv, redirect_itm.Url(), redirect_itm.Ttl(), called_from_msg);
if ( !called_from_msg // if called_from_msg, fall through to actual data retrieval below, else infinite loop; DATE:2014-05-09 }
&& Xow_page_tid.Identify_by_ttl(ttl.Page_db()) == Xow_page_tid.Tid_wikitext // skip ".js" and ".css" pages in MediaWiki; DATE:2014-06-13
) {
Xol_lang_itm lang = wiki.Lang();
byte[] msg_key = ttl.Page_db();
Bry_bfr tmp_bfr = wiki.Utl__bfr_mkr().Get_b512();
msg_key = lang.Case_mgr().Case_build_1st_lower(tmp_bfr, msg_key, 0, msg_key.length);
byte[] msg_val = Xol_msg_mgr_.Get_msg_itm(tmp_bfr, wiki, wiki.Lang(), msg_key).Val(); // NOTE: do not change to Get_msg_val; Get_msg_val, also replaces $1 with values, and $1 needs to be preserved for callers;
rv.Db().Text().Text_bry_(msg_val);
tmp_bfr.Mkr_rls();
return; return;
} case Xow_ns_.Tid__mediawiki: // MediaWiki msgs can either be loaded from memory, or from database
break; if ( !called_from_msg // if called_from_msg, fall through to actual data retrieval below, else infinite loop; DATE:2014-05-09
&& Xow_page_tid.Identify_by_ttl(ttl.Page_db()) == Xow_page_tid.Tid_wikitext // skip ".js" and ".css" pages in MediaWiki; DATE:2014-06-13
) {
Xol_lang_itm lang = wiki.Lang();
byte[] msg_key = ttl.Page_db();
Bry_bfr tmp_bfr = wiki.Utl__bfr_mkr().Get_b512();
msg_key = lang.Case_mgr().Case_build_1st_lower(tmp_bfr, msg_key, 0, msg_key.length);
byte[] msg_val = Xol_msg_mgr_.Get_msg_itm(tmp_bfr, wiki, wiki.Lang(), msg_key).Val(); // NOTE: do not change to Get_msg_val; Get_msg_val, also replaces $1 with values, and $1 needs to be preserved for callers;
rv.Db().Text().Text_bry_(msg_val);
tmp_bfr.Mkr_rls();
return;
}
break;
}
Xoa_ttl redirect_ttl = Load_from_db(rv, ns, ttl, url.Qargs_mgr().Match(Xoa_url_.Qarg__redirect, Xoa_url_.Qarg__redirect__no));
if (redirect_ttl != null && redirect_ttl.Ns().Id_is_special()) {
ttl = redirect_ttl;
rv.Redirect_trail().Clear();
rv.Db().Page().Exists_y_();
}
} }
Load_from_db(rv, ns, ttl, url.Qargs_mgr().Match(Xoa_url_.Qarg__redirect, Xoa_url_.Qarg__redirect__no));
} }
public void Load_from_db(Xoae_page rv, Xow_ns ns, Xoa_ttl ttl, boolean redirect_force) { public Xoa_ttl Load_from_db(Xoae_page rv, Xow_ns ns, Xoa_ttl ttl, boolean redirect_force) {
int redirects = 0; int redirects = 0;
Xowd_page_itm page_row = Xowd_page_itm.new_tmp(); Xowd_page_itm page_row = Xowd_page_itm.new_tmp();
while (true) { // loop until (a) no more redirects or (b) page not found while (true) { // loop until (a) no more redirects or (b) page not found
// load from page table // load from page table
boolean exists = wiki.Db_mgr().Load_mgr().Load_by_ttl(page_row, ns, ttl.Page_db()); boolean exists = wiki.Db_mgr().Load_mgr().Load_by_ttl(page_row, ns, ttl.Page_db());
if (!exists) {rv.Db().Page().Exists_n_(); return;} if (!exists) {rv.Db().Page().Exists_n_(); return ttl;}
if (wiki.App().Mode().Tid_is_gui()) // NOTE: must check if gui, else will write during mass build; DATE:2014-05-03 if (wiki.App().Mode().Tid_is_gui()) // NOTE: must check if gui, else will write during mass build; DATE:2014-05-03
wiki.Appe().Usr_dlg().Prog_many("", "", "loading page for ~{0}", ttl.Raw()); wiki.Appe().Usr_dlg().Prog_many("", "", "loading page for ~{0}", ttl.Raw());
@ -76,20 +85,20 @@ public class Xow_page_mgr implements Gfo_invk {
wiki.Db_mgr().Load_mgr().Load_page(page_row, ns); wiki.Db_mgr().Load_mgr().Load_page(page_row, ns);
byte[] wtxt = page_row.Text(); byte[] wtxt = page_row.Text();
rv.Db().Text().Text_bry_(wtxt); rv.Db().Text().Text_bry_(wtxt);
if (redirect_force) return; // redirect_force passed; return page now, even if page is a redirect elsewhere; NOTE: only applies to WTXT, not HTML if (redirect_force) return ttl; // redirect_force passed; return page now, even if page is a redirect elsewhere; NOTE: only applies to WTXT, not HTML
// handle redirects for html_dbs // handle redirects for html_dbs
if ( page_row.Redirect_id() > 0 // redirect exists if ( page_row.Redirect_id() > 0 // redirect exists
&& Bry_.Len_eq_0(wtxt)) { // wikitext is not found && Bry_.Len_eq_0(wtxt)) { // wikitext is not found
Redirect_to_html_page(rv, wiki, page_row); Redirect_to_html_page(rv, wiki, page_row);
return; return ttl;
} }
// handle redirects // handle redirects
Xoa_ttl redirect_ttl = wiki.Redirect_mgr().Extract_redirect(wtxt); Xoa_ttl redirect_ttl = wiki.Redirect_mgr().Extract_redirect(wtxt);
if ( redirect_ttl == null // not a redirect if ( redirect_ttl == null // not a redirect
|| redirects++ > 4) // too many redirects; something went wrong || redirects++ > 4) // too many redirects; something went wrong
return; return redirect_ttl;
// redirect; do some bookkeeping and reset ns / ttl // redirect; do some bookkeeping and reset ns / ttl
// NOTE: this adds the target ttl to redirect_mgr (#REDIRECT [[A]]); note that special redirects will add source ttl; DATE:2016-07-31 // NOTE: this adds the target ttl to redirect_mgr (#REDIRECT [[A]]); note that special redirects will add source ttl; DATE:2016-07-31