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Code Issues Projects Releases Wiki Activity

Gui: Fix NullPointerException when pressing backspace on empty search box [#841]

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master
gnosygnu 3 years ago
parent 17a3b4e7b3
commit 2a4abd8f75
1 changed files with 212 additions and 186 deletions
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398
400_xowa/src/gplx/xowa/htmls/js/Xoh_js_cbk.java
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@ -1,6 +1,6 @@
/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com
Copyright (C) 2012-2021 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.
@ -13,188 +13,214 @@ 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.htmls.js; import gplx.*; import gplx.xowa.*; import gplx.xowa.htmls.*;
import gplx.core.threads.*; import gplx.xowa.xtns.pfuncs.ifs.*; import gplx.xowa.wikis.data.tbls.*;
import gplx.langs.jsons.*;
import gplx.xowa.htmls.js.*;
import gplx.xowa.guis.views.*;
import gplx.xowa.parsers.*;
import gplx.xowa.htmls.modules.popups.*;
public class Xoh_js_cbk implements Gfo_invk {
private Xoae_app app;
private Xog_html_itm html_itm;
private Xop_root_tkn root = new Xop_root_tkn();
private final Bry_bfr bfr = Bry_bfr_.Reset(255);
public Xoh_js_cbk(Xog_html_itm html_itm) {this.html_itm = html_itm; this.app = html_itm.Owner_tab().Tab_mgr().Win().App();}
private String Xowa_exec_test(GfoMsg m) { // concat args with pipe; EX: xowa_exec('proc', 'arg0', 'arg1'); -> proc|arg0|arg1
bfr.Clear();
bfr.Add_str_u8(m.Key());
int len = m.Args_count();
for (int i = 0; i < len; i++)
bfr.Add_str_a7("|").Add_str_u8(m.Args_getAt(i).Val_to_str_or_empty());
return bfr.To_str_and_clear();
}
private String[] Xowa_exec_test_as_array(GfoMsg m) {// return args as array; EX: xowa_exec('proc', 'arg0', 'arg1'); -> proc,arg0,arg1
bfr.Clear();
int len = m.Args_count();
String[] rv = new String[len + 1];
rv[0] = Invk_xowa_exec_test_as_array;
for (int i = 0; i < len; i++)
rv[i + 1] = Object_.Xto_str_strict_or_empty(m.ReadValAt(i));
return rv;
}
private String Parse_to_html(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
Xop_ctx ctx = wiki.Parser_mgr().Ctx();
boolean old_para_enabled = ctx.Para().Enabled();
byte[] raw = Bry_.new_u8(m.Args_getAt(0).Val_to_str_or_empty());
boolean para_enabled = m.Args_count() < 2 ? false : Bool_.Parse(m.Args_getAt(1).Val_to_str_or_empty());
try {
ctx.Para().Enabled_(para_enabled);
wiki.Parser_mgr().Main().Parse_text_to_wdom(root, ctx, ctx.Tkn_mkr(), raw, 0);
byte[] data = root.Data_mid();
wiki.Html_mgr().Html_wtr().Write_doc(bfr, ctx, data, root);
return bfr.To_str_and_clear();
}
finally {
ctx.Para().Enabled_(old_para_enabled);
}
}
private String Get_page(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
try {
Xoa_ttl ttl = Xoa_ttl.Parse(wiki, m.Args_getAt(0).Val_to_bry());
Xoae_page page = wiki.Data_mgr().Load_page_by_ttl(ttl);
return String_.new_u8(page.Db().Text().Text_bry());
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String Popups_get_html(GfoMsg m) {
try {
String mode = m.Args_getAt(0).Val_to_str_or_empty();
String popups_id = m.Args_getAt(1).Val_to_str_or_empty();
Xow_popup_mgr popup_mgr = html_itm.Owner_tab().Wiki().Html_mgr().Head_mgr().Popup_mgr();
if (String_.Eq(mode, "init")) {
byte[] href_bry = m.Args_getAt(2).Val_to_bry();
byte[] tooltip_bry = m.Args_getAt(3).Val_to_bry();
return popup_mgr.Show_init(popups_id, href_bry, tooltip_bry);
}
else if (String_.Eq(mode, "more"))
return popup_mgr.Show_more(popups_id);
else if (String_.Eq(mode, "all"))
popup_mgr.Show_all(popups_id);
return "";
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String[] Get_title_meta(Xowe_wiki wiki, byte[] ttl_bry) {
synchronized (tmp_page) {
tmp_page.Clear();
Xoa_ttl ttl = Xoa_ttl.Parse(wiki, ttl_bry);
wiki.Db_mgr().Load_mgr().Load_by_ttl(tmp_page, ttl.Ns(), ttl.Page_db());
}
return String_.Ary(tmp_page.Exists() ? "1" : "0", Int_.To_str(tmp_page.Id()), Int_.To_str(tmp_page.Ns_id()), String_.new_u8(tmp_page.Ttl_page_db()), Bool_.To_str_lower(tmp_page.Redirected()), tmp_page.Modified_on().XtoStr_fmt("yyyy-MM-dd HH:mm:ss"), Int_.To_str(tmp_page.Text_len()));
} private static final Xowd_page_itm tmp_page = Xowd_page_itm.new_tmp();
private String[][] Get_titles_meta(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
try {
byte[][] ttls = Bry_split_.Split(Bry_.new_u8((String)m.ReadValAt(0)), Byte_ascii.Nl);
int ttls_len = ttls.length;
String[][] rv = new String[ttls_len][];
for (int i = 0; i < ttls_len; i++) {
byte[] ttl = ttls[i];
rv[i] = Get_title_meta(wiki, ttl);
}
return rv;
} catch (Exception e) {Err_.Noop(e); return null;}
}
private boolean Get_title_exists(Xowe_wiki wiki, byte[] ttl) {
return Pfunc_ifexist.Exists(wiki, ttl);
}
private String[] Get_titles_exists(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
try {
byte[][] ttls = Bry_.Ary_obj((Object[])m.ReadValAt(0));
int ttls_len = ttls.length;
String[] rv = new String[ttls_len];
for (int i = 0; i < ttls_len; i++) {
byte[] ttl = ttls[i];
rv[i] = Get_title_exists(wiki, ttl) ? "1" : "0";
}
return rv;
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String Get_search_suggestions(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
byte[] search_str = Bry_.new_u8((String)m.ReadValAt(0));
byte[] cbk_func = Bry_.new_u8((String)m.ReadValAt(1));
app.Addon_mgr().Itms__search__htmlbar().Search_by_swt(wiki, search_str, cbk_func);
return "";
}
private String[] Wikidata_get_label(GfoMsg m) {
try {
Thread_adp_.Sleep(10); // slow down calls to prevent random crashing in XulRunner; DATE:2014-04-23
gplx.xowa.xtns.wbases.Wdata_wiki_mgr wdata_mgr = app.Wiki_mgr().Wdata_mgr();
wdata_mgr.Wdata_wiki().Init_assert(); // NOTE: must assert else ns_mgr won't load Property
int len = m.Args_count();
if (len < 1) return null;
byte[][] langs = Bry_split_.Split(m.Args_getAt(0).Val_to_bry(), Byte_ascii.Semic);
int langs_len = langs.length;
String[] rv = new String[len - 1];
for (int i = 1; i < len; i++) {
try {
byte[] ttl_bry = m.Args_getAt(i).Val_to_bry();
gplx.xowa.xtns.wbases.Wdata_doc page = wdata_mgr.Doc_mgr.Get_by_xid_or_null(ttl_bry); if (page == null) continue;
for (int j = 0; j < langs_len; j++) {
byte[] lang_key = langs[j];
if (Bry_.Eq(lang_key, Wikidata_get_label_xowa_ui_lang))
lang_key = app.Sys_cfg().Lang();
byte[] val_bry = null;
if (Bry_.Eq(lang_key, Wikidata_get_label_xowa_title))
val_bry = ttl_bry;
else {
val_bry = page.Get_label_bry_or_null(lang_key);
}
if (val_bry == null) continue;
rv[i - 1] = String_.new_u8(val_bry);
break;
}
} catch (Exception e) {Err_.Noop(e); rv[i] = null;}
finally {}
}
return rv;
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String Scripts_exec(GfoMsg m) {
Object rv = null;
try {
rv = app.Gfs_mgr().Run_str(m.Args_getAt(0).Val_to_str_or_empty());
}
catch (Exception e) {Err_.Noop(e); return null;}
return Object_.Xto_str_strict_or_empty(rv);
}
private static final byte[] Wikidata_get_label_xowa_ui_lang = Bry_.new_a7("xowa_ui_lang"), Wikidata_get_label_xowa_title = Bry_.new_a7("xowa_title");
public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
if (ctx.Match(k, Invk_parse_to_html)) return Parse_to_html(m);
else if (ctx.Match(k, Invk_wikidata_get_label)) return Wikidata_get_label(m);
else if (ctx.Match(k, Invk_get_page)) return Get_page(m);
else if (ctx.MatchIn(k, Invk_cmd, Invk_scripts_exec)) return Scripts_exec(m);
else if (ctx.Match(k, Invk_scripts_exec)) return Scripts_exec(m);
else if (ctx.Match(k, Invk_popups_get_html)) return Popups_get_html(m);
else if (ctx.Match(k, Invk_get_search_suggestions)) return Get_search_suggestions(m);
else if (ctx.Match(k, Invk_get_titles_meta)) return Get_titles_meta(m);
else if (ctx.Match(k, Invk_get_titles_exists)) return Get_titles_exists(m);
else if (ctx.Match(k, Invk_get_current_url)) return String_.new_u8(html_itm.Owner_tab().Page().Url().Raw());
else if (ctx.Match(k, Invk_xowa_exec_test)) return Xowa_exec_test(m);
else if (ctx.Match(k, Invk_xowa_exec_test_as_array)) return Xowa_exec_test_as_array(m);
else if (ctx.Match(k, Invk_exec_json)) return app.Html__bridge_mgr().Cmd_mgr().Exec(m);
else if (ctx.Match(k, Invk_bldr_exec)) return app.Bldr().Exec_json((String)m.ReadValAt(0));
else return Gfo_invk_.Rv_unhandled;
}
public static final String Invk_parse_to_html = "parse_to_html", Invk_wikidata_get_label = "wikidata_get_label", Invk_get_page = "get_page", Invk_cmd = "cmd", Invk_scripts_exec = "scripts_exec"
, Invk_get_search_suggestions = "get_search_suggestions", Invk_get_titles_meta = "get_titles_meta", Invk_get_titles_exists = "get_titles_exists", Invk_get_current_url = "get_current_url"
, Invk_xowa_exec_test = "xowa_exec_test", Invk_xowa_exec_test_as_array = "xowa_exec_test_as_array"
, Invk_popups_get_html = "popups_get_html"
, Invk_exec_json = "exec_json"
, Invk_bldr_exec = "bldr_exec"
;
}
package gplx.xowa.htmls.js;
import gplx.Bool_;
import gplx.Bry_;
import gplx.Bry_bfr;
import gplx.Bry_bfr_;
import gplx.Bry_split_;
import gplx.Byte_ascii;
import gplx.Err_;
import gplx.GfoMsg;
import gplx.Gfo_invk;
import gplx.Gfo_invk_;
import gplx.GfsCtx;
import gplx.Int_;
import gplx.Object_;
import gplx.String_;
import gplx.core.threads.Thread_adp_;
import gplx.xowa.Xoa_ttl;
import gplx.xowa.Xoae_app;
import gplx.xowa.Xoae_page;
import gplx.xowa.Xowe_wiki;
import gplx.xowa.guis.views.Xog_html_itm;
import gplx.xowa.htmls.modules.popups.Xow_popup_mgr;
import gplx.xowa.parsers.Xop_ctx;
import gplx.xowa.parsers.Xop_root_tkn;
import gplx.xowa.wikis.data.tbls.Xowd_page_itm;
import gplx.xowa.xtns.pfuncs.ifs.Pfunc_ifexist;
public class Xoh_js_cbk implements Gfo_invk {
private Xoae_app app;
private Xog_html_itm html_itm;
private Xop_root_tkn root = new Xop_root_tkn();
private final Bry_bfr bfr = Bry_bfr_.Reset(255);
public Xoh_js_cbk(Xog_html_itm html_itm) {this.html_itm = html_itm; this.app = html_itm.Owner_tab().Tab_mgr().Win().App();}
private String Xowa_exec_test(GfoMsg m) { // concat args with pipe; EX: xowa_exec('proc', 'arg0', 'arg1'); -> proc|arg0|arg1
bfr.Clear();
bfr.Add_str_u8(m.Key());
int len = m.Args_count();
for (int i = 0; i < len; i++)
bfr.Add_str_a7("|").Add_str_u8(m.Args_getAt(i).Val_to_str_or_empty());
return bfr.To_str_and_clear();
}
private String[] Xowa_exec_test_as_array(GfoMsg m) {// return args as array; EX: xowa_exec('proc', 'arg0', 'arg1'); -> proc,arg0,arg1
bfr.Clear();
int len = m.Args_count();
String[] rv = new String[len + 1];
rv[0] = Invk_xowa_exec_test_as_array;
for (int i = 0; i < len; i++)
rv[i + 1] = Object_.Xto_str_strict_or_empty(m.ReadValAt(i));
return rv;
}
private String Parse_to_html(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
Xop_ctx ctx = wiki.Parser_mgr().Ctx();
boolean old_para_enabled = ctx.Para().Enabled();
byte[] raw = Bry_.new_u8(m.Args_getAt(0).Val_to_str_or_empty());
boolean para_enabled = m.Args_count() < 2 ? false : Bool_.Parse(m.Args_getAt(1).Val_to_str_or_empty());
try {
ctx.Para().Enabled_(para_enabled);
wiki.Parser_mgr().Main().Parse_text_to_wdom(root, ctx, ctx.Tkn_mkr(), raw, 0);
byte[] data = root.Data_mid();
wiki.Html_mgr().Html_wtr().Write_doc(bfr, ctx, data, root);
return bfr.To_str_and_clear();
}
finally {
ctx.Para().Enabled_(old_para_enabled);
}
}
private String Get_page(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
try {
Xoa_ttl ttl = Xoa_ttl.Parse(wiki, m.Args_getAt(0).Val_to_bry());
Xoae_page page = wiki.Data_mgr().Load_page_by_ttl(ttl);
return String_.new_u8(page.Db().Text().Text_bry());
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String Popups_get_html(GfoMsg m) {
try {
String mode = m.Args_getAt(0).Val_to_str_or_empty();
String popups_id = m.Args_getAt(1).Val_to_str_or_empty();
Xow_popup_mgr popup_mgr = html_itm.Owner_tab().Wiki().Html_mgr().Head_mgr().Popup_mgr();
if (String_.Eq(mode, "init")) {
byte[] href_bry = m.Args_getAt(2).Val_to_bry();
byte[] tooltip_bry = m.Args_getAt(3).Val_to_bry();
return popup_mgr.Show_init(popups_id, href_bry, tooltip_bry);
}
else if (String_.Eq(mode, "more"))
return popup_mgr.Show_more(popups_id);
else if (String_.Eq(mode, "all"))
popup_mgr.Show_all(popups_id);
return "";
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String[] Get_title_meta(Xowe_wiki wiki, byte[] ttl_bry) {
synchronized (tmp_page) {
tmp_page.Clear();
Xoa_ttl ttl = Xoa_ttl.Parse(wiki, ttl_bry);
wiki.Db_mgr().Load_mgr().Load_by_ttl(tmp_page, ttl.Ns(), ttl.Page_db());
}
return String_.Ary(tmp_page.Exists() ? "1" : "0", Int_.To_str(tmp_page.Id()), Int_.To_str(tmp_page.Ns_id()), String_.new_u8(tmp_page.Ttl_page_db()), Bool_.To_str_lower(tmp_page.Redirected()), tmp_page.Modified_on().XtoStr_fmt("yyyy-MM-dd HH:mm:ss"), Int_.To_str(tmp_page.Text_len()));
} private static final Xowd_page_itm tmp_page = Xowd_page_itm.new_tmp();
private String[][] Get_titles_meta(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
try {
byte[][] ttls = Bry_split_.Split(Bry_.new_u8((String)m.ReadValAt(0)), Byte_ascii.Nl);
int ttls_len = ttls.length;
String[][] rv = new String[ttls_len][];
for (int i = 0; i < ttls_len; i++) {
byte[] ttl = ttls[i];
rv[i] = Get_title_meta(wiki, ttl);
}
return rv;
} catch (Exception e) {Err_.Noop(e); return null;}
}
private boolean Get_title_exists(Xowe_wiki wiki, byte[] ttl) {
return Pfunc_ifexist.Exists(wiki, ttl);
}
private String[] Get_titles_exists(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
try {
byte[][] ttls = Bry_.Ary_obj((Object[])m.ReadValAt(0));
int ttls_len = ttls.length;
String[] rv = new String[ttls_len];
for (int i = 0; i < ttls_len; i++) {
byte[] ttl = ttls[i];
rv[i] = Get_title_exists(wiki, ttl) ? "1" : "0";
}
return rv;
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String Get_search_suggestions(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
String search_str = (String)m.ReadValAt(0);
// 2021-03-02|ISSUE#:841|Pressing backspace on empty search box will generate a null
if (search_str == null) {
return "";
}
byte[] search_bry = Bry_.new_u8(search_str);
byte[] cbk_func = Bry_.new_u8((String)m.ReadValAt(1));
app.Addon_mgr().Itms__search__htmlbar().Search_by_swt(wiki, search_bry, cbk_func);
return "";
}
private String[] Wikidata_get_label(GfoMsg m) {
try {
Thread_adp_.Sleep(10); // slow down calls to prevent random crashing in XulRunner; DATE:2014-04-23
gplx.xowa.xtns.wbases.Wdata_wiki_mgr wdata_mgr = app.Wiki_mgr().Wdata_mgr();
wdata_mgr.Wdata_wiki().Init_assert(); // NOTE: must assert else ns_mgr won't load Property
int len = m.Args_count();
if (len < 1) return null;
byte[][] langs = Bry_split_.Split(m.Args_getAt(0).Val_to_bry(), Byte_ascii.Semic);
int langs_len = langs.length;
String[] rv = new String[len - 1];
for (int i = 1; i < len; i++) {
try {
byte[] ttl_bry = m.Args_getAt(i).Val_to_bry();
gplx.xowa.xtns.wbases.Wdata_doc page = wdata_mgr.Doc_mgr.Get_by_xid_or_null(ttl_bry); if (page == null) continue;
for (int j = 0; j < langs_len; j++) {
byte[] lang_key = langs[j];
if (Bry_.Eq(lang_key, Wikidata_get_label_xowa_ui_lang))
lang_key = app.Sys_cfg().Lang();
byte[] val_bry = null;
if (Bry_.Eq(lang_key, Wikidata_get_label_xowa_title))
val_bry = ttl_bry;
else {
val_bry = page.Get_label_bry_or_null(lang_key);
}
if (val_bry == null) continue;
rv[i - 1] = String_.new_u8(val_bry);
break;
}
} catch (Exception e) {Err_.Noop(e); rv[i] = null;}
finally {}
}
return rv;
} catch (Exception e) {Err_.Noop(e); return null;}
}
private String Scripts_exec(GfoMsg m) {
Object rv = null;
try {
rv = app.Gfs_mgr().Run_str(m.Args_getAt(0).Val_to_str_or_empty());
}
catch (Exception e) {Err_.Noop(e); return null;}
return Object_.Xto_str_strict_or_empty(rv);
}
private static final byte[] Wikidata_get_label_xowa_ui_lang = Bry_.new_a7("xowa_ui_lang"), Wikidata_get_label_xowa_title = Bry_.new_a7("xowa_title");
public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
if (ctx.Match(k, Invk_parse_to_html)) return Parse_to_html(m);
else if (ctx.Match(k, Invk_wikidata_get_label)) return Wikidata_get_label(m);
else if (ctx.Match(k, Invk_get_page)) return Get_page(m);
else if (ctx.MatchIn(k, Invk_cmd, Invk_scripts_exec)) return Scripts_exec(m);
else if (ctx.Match(k, Invk_scripts_exec)) return Scripts_exec(m);
else if (ctx.Match(k, Invk_popups_get_html)) return Popups_get_html(m);
else if (ctx.Match(k, Invk_get_search_suggestions)) return Get_search_suggestions(m);
else if (ctx.Match(k, Invk_get_titles_meta)) return Get_titles_meta(m);
else if (ctx.Match(k, Invk_get_titles_exists)) return Get_titles_exists(m);
else if (ctx.Match(k, Invk_get_current_url)) return String_.new_u8(html_itm.Owner_tab().Page().Url().Raw());
else if (ctx.Match(k, Invk_xowa_exec_test)) return Xowa_exec_test(m);
else if (ctx.Match(k, Invk_xowa_exec_test_as_array)) return Xowa_exec_test_as_array(m);
else if (ctx.Match(k, Invk_exec_json)) return app.Html__bridge_mgr().Cmd_mgr().Exec(m);
else if (ctx.Match(k, Invk_bldr_exec)) return app.Bldr().Exec_json((String)m.ReadValAt(0));
else return Gfo_invk_.Rv_unhandled;
}
public static final String Invk_parse_to_html = "parse_to_html", Invk_wikidata_get_label = "wikidata_get_label", Invk_get_page = "get_page", Invk_cmd = "cmd", Invk_scripts_exec = "scripts_exec"
, Invk_get_search_suggestions = "get_search_suggestions", Invk_get_titles_meta = "get_titles_meta", Invk_get_titles_exists = "get_titles_exists", Invk_get_current_url = "get_current_url"
, Invk_xowa_exec_test = "xowa_exec_test", Invk_xowa_exec_test_as_array = "xowa_exec_test_as_array"
, Invk_popups_get_html = "popups_get_html"
, Invk_exec_json = "exec_json"
, Invk_bldr_exec = "bldr_exec"
;
}

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