IkiWiki/Plugin/po.pm

   1 #!/usr/bin/perl
   2 # .po as a wiki page type
   3 # Licensed under GPL v2 or greater
   4 # Copyright (C) 2008-2009 intrigeri <intrigeri@boum.org>
   5 # inspired by the GPL'd po4a-translate,
   6 # which is Copyright 2002, 2003, 2004 by Martin Quinson (mquinson#debian.org)
   7 package IkiWiki::Plugin::po;
   8
   9 use warnings;
  10 use strict;
  11 use IkiWiki 3.00;
  12 use Encode;
  13 eval q{use Locale::Po4a::Common qw(nowrapi18n !/.*/)};
  14 if ($@) {
  15         print STDERR gettext("warning: Old po4a detected! Recommend upgrade to 0.35.")."\n";
  16         eval q{use Locale::Po4a::Common qw(!/.*/)};
  17         die $@ if $@;
  18 }
  19 use Locale::Po4a::Chooser;
  20 use Locale::Po4a::Po;
  21 use File::Basename;
  22 use File::Copy;
  23 use File::Spec;
  24 use File::Temp;
  25 use Memoize;
  26 use UNIVERSAL;
  27
  28 my ($master_language_code, $master_language_name);
  29 my %translations;
  30 my @origneedsbuild;
  31 my %origsubs;
  32 my @slavelanguages; # language codes ordered as in config po_slave_languages
  33 my %slavelanguages; # language code to name lookup
  34
  35 memoize("istranslatable");
  36 memoize("_istranslation");
  37 memoize("percenttranslated");
  38
  39 sub import {
  40         hook(type => "getsetup", id => "po", call => \&getsetup);
  41         hook(type => "checkconfig", id => "po", call => \&checkconfig);
  42         hook(type => "needsbuild", id => "po", call => \&needsbuild);
  43         hook(type => "scan", id => "po", call => \&scan, last => 1);
  44         hook(type => "filter", id => "po", call => \&filter);
  45         hook(type => "htmlize", id => "po", call => \&htmlize);
  46         hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
  47         hook(type => "rename", id => "po", call => \&renamepages, first => 1);
  48         hook(type => "delete", id => "po", call => \&mydelete);
  49         hook(type => "change", id => "po", call => \&change);
  50         hook(type => "checkcontent", id => "po", call => \&checkcontent);
  51         hook(type => "canremove", id => "po", call => \&canremove);
  52         hook(type => "canrename", id => "po", call => \&canrename);
  53         hook(type => "editcontent", id => "po", call => \&editcontent);
  54         hook(type => "formbuilder_setup", id => "po", call => \&formbuilder_setup, last => 1);
  55         hook(type => "formbuilder", id => "po", call => \&formbuilder);
  56
  57         if (! %origsubs) {
  58                 $origsubs{'bestlink'}=\&IkiWiki::bestlink;
  59                 inject(name => "IkiWiki::bestlink", call => \&mybestlink);
  60                 $origsubs{'beautify_urlpath'}=\&IkiWiki::beautify_urlpath;
  61                 inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
  62                 $origsubs{'targetpage'}=\&IkiWiki::targetpage;
  63                 inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
  64                 $origsubs{'urlto'}=\&IkiWiki::urlto;
  65                 inject(name => "IkiWiki::urlto", call => \&myurlto);
  66                 $origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
  67                 inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);
  68                 $origsubs{'rootpage'}=\&IkiWiki::rootpage;
  69                 inject(name => "IkiWiki::rootpage", call => \&myrootpage);
  70                 $origsubs{'isselflink'}=\&IkiWiki::isselflink;
  71                 inject(name => "IkiWiki::isselflink", call => \&myisselflink);
  72         }
  73 }
  74
  75
  76 # ,----
  77 # | Table of contents
  78 # `----
  79
  80 # 1. Hooks
  81 # 2. Injected functions
  82 # 3. Blackboxes for private data
  83 # 4. Helper functions
  84 # 5. PageSpecs
  85
  86
  87 # ,----
  88 # | Hooks
  89 # `----
  90
  91 sub getsetup () {
  92         return
  93                 plugin => {
  94                         safe => 1,
  95                         rebuild => 1, # format plugin
  96                         section => "format",
  97                 },
  98                 po_master_language => {
  99                         type => "string",
 100                         example => "en|English",
 101                         description => "master language (non-PO files)",
 102                         safe => 1,
 103                         rebuild => 1,
 104                 },
 105                 po_slave_languages => {
 106                         type => "string",
 107                         example => [
 108                                 'fr|Français',
 109                                 'es|Español',
 110                                 'de|Deutsch'
 111                         ],
 112                         description => "slave languages (translated via PO files) format: ll|Langname",
 113                         safe => 1,
 114                         rebuild => 1,
 115                 },
 116                 po_translatable_pages => {
 117                         type => "pagespec",
 118                         example => "* and !*/Discussion",
 119                         description => "PageSpec controlling which pages are translatable",
 120                         link => "ikiwiki/PageSpec",
 121                         safe => 1,
 122                         rebuild => 1,
 123                 },
 124                 po_link_to => {
 125                         type => "string",
 126                         example => "current",
 127                         description => "internal linking behavior (default/current/negotiated)",
 128                         safe => 1,
 129                         rebuild => 1,
 130                 },
 131 }
 132
 133 sub checkconfig () {
 134         if (exists $config{po_master_language}) {
 135                 if (! ref $config{po_master_language}) {
 136                         ($master_language_code, $master_language_name)=
 137                                 splitlangpair($config{po_master_language});
 138                 }
 139                 else {
 140                         $master_language_code=$config{po_master_language}{code};
 141                         $master_language_name=$config{po_master_language}{name};
 142                         $config{po_master_language}=joinlangpair($master_language_code, $master_language_name);
 143                 }
 144         }
 145         if (! defined $master_language_code) {
 146                 $master_language_code='en';
 147         }
 148         if (! defined $master_language_name) {
 149                 $master_language_name='English';
 150         }
 151
 152         if (ref $config{po_slave_languages} eq 'ARRAY') {
 153                 foreach my $pair (@{$config{po_slave_languages}}) {
 154                         my ($code, $name)=splitlangpair($pair);
 155                         if (defined $code && ! exists $slavelanguages{$code}) {
 156                                 push @slavelanguages, $code;
 157                                 $slavelanguages{$code} = $name;
 158                         }
 159                 }
 160         }
 161         elsif (ref $config{po_slave_languages} eq 'HASH') {
 162                 %slavelanguages=%{$config{po_slave_languages}};
 163                 @slavelanguages = sort {
 164                         $config{po_slave_languages}->{$a} cmp $config{po_slave_languages}->{$b};
 165                 } keys %slavelanguages;
 166                 $config{po_slave_languages}=[
 167                         map { joinlangpair($_, $slavelanguages{$_}) } @slavelanguages
 168                 ]
 169         }
 170
 171         delete $slavelanguages{$master_language_code};
 172
 173         map {
 174                 islanguagecode($_)
 175                         or error(sprintf(gettext("%s is not a valid language code"), $_));
 176         } ($master_language_code, @slavelanguages);
 177
 178         if (! exists $config{po_translatable_pages} ||
 179             ! defined $config{po_translatable_pages}) {
 180                 $config{po_translatable_pages}="";
 181         }
 182         if (! exists $config{po_link_to} ||
 183             ! defined $config{po_link_to}) {
 184                 $config{po_link_to}='default';
 185         }
 186         elsif ($config{po_link_to} !~ /^(default|current|negotiated)$/) {
 187                 warn(sprintf(gettext('%s is not a valid value for po_link_to, falling back to po_link_to=default'),
 188                              $config{po_link_to}));
 189                 $config{po_link_to}='default';
 190         }
 191         elsif ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
 192                 warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
 193                 $config{po_link_to}='default';
 194         }
 195
 196         push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
 197
 198         # Translated versions of the underlays are added if available.
 199         foreach my $underlay ("basewiki",
 200                               map { m/^\Q$config{underlaydirbase}\E\/*(.*)/ }
 201                                   reverse @{$config{underlaydirs}}) {
 202                 next if $underlay=~/^locale\//;
 203
 204                 # Underlays containing the po files for slave languages.
 205                 foreach my $ll (@slavelanguages) {
 206                         add_underlay("po/$ll/$underlay")
 207                                 if -d "$config{underlaydirbase}/po/$ll/$underlay";
 208                 }
 209
 210                 if ($master_language_code ne 'en') {
 211                         # Add underlay containing translated source files
 212                         # for the master language.
 213                         add_underlay("locale/$master_language_code/$underlay")
 214                                 if -d "$config{underlaydirbase}/locale/$master_language_code/$underlay";
 215                 }
 216         }
 217 }
 218
 219 sub needsbuild () {
 220         my $needsbuild=shift;
 221
 222         # backup @needsbuild content so that change() can know whether
 223         # a given master page was rendered because its source file was changed
 224         @origneedsbuild=(@$needsbuild);
 225
 226         flushmemoizecache();
 227         buildtranslationscache();
 228
 229         # make existing translations depend on the corresponding master page
 230         foreach my $master (keys %translations) {
 231                 map add_depends($_, $master), values %{otherlanguages_pages($master)};
 232         }
 233
 234         return $needsbuild;
 235 }
 236
 237 sub scan (@) {
 238         my %params=@_;
 239         my $page=$params{page};
 240         my $content=$params{content};
 241         my $run_by_po=$params{run_by_po};
 242
 243         # Massage the recorded state of internal links so that:
 244         # - it matches the actually generated links, rather than the links as
 245         #   written in the pages' source
 246         # - backlinks are consistent in all cases
 247
 248         # A second scan pass is made over translation pages, so as an
 249         # optimization, we only do so on the second pass in this case,
 250         # i.e. when this hook is called by itself.
 251         if ($run_by_po && istranslation($page)) {
 252                 # replace the occurence of $destpage in $links{$page}
 253                 my @orig_links = @{$links{$page}};
 254                 $links{$page} = [];
 255                 foreach my $destpage (@orig_links) {
 256                         if (istranslatedto($destpage, lang($page))) {
 257                                 add_link($page, $destpage . '.' . lang($page));
 258                         }
 259                         else {
 260                                 add_link($page, $destpage);
 261                         }
 262                 }
 263         }
 264         # No second scan pass is done for a non-translation page, so
 265         # links massaging must happen on first pass in this case.
 266         elsif (! $run_by_po && ! istranslatable($page) && ! istranslation($page)) {
 267                 foreach my $destpage (@{$links{$page}}) {
 268                         if (istranslatable($destpage)) {
 269                                 # make sure any destpage's translations has
 270                                 # $page in its backlinks
 271                                 foreach my $link (values %{otherlanguages_pages($destpage)}) {
 272                                         add_link($page, $link);
 273                                 }
 274                         }
 275                 }
 276         }
 277
 278         # Re-run the preprocess hooks in scan mode, then the scan hooks,
 279         # over the po-to-markup converted content
 280         return if $run_by_po; # avoid looping endlessly
 281         return unless istranslation($page);
 282         $content = po_to_markup($page, $content);
 283         require IkiWiki;
 284         IkiWiki::preprocess($page, $page, $content, 1);
 285         IkiWiki::run_hooks(scan => sub {
 286                 shift->(
 287                         page => $page,
 288                         content => $content,
 289                         run_by_po => 1,
 290                 );
 291         });
 292 }
 293
 294 # We use filter to convert PO to the master page's format,
 295 # since the rest of ikiwiki should not work on PO files.
 296 sub filter (@) {
 297         my %params = @_;
 298
 299         my $page = $params{page};
 300         my $destpage = $params{destpage};
 301         my $content = $params{content};
 302         if (istranslation($page) && ! alreadyfiltered($page, $destpage)) {
 303                 $content = po_to_markup($page, $content);
 304                 setalreadyfiltered($page, $destpage);
 305         }
 306         return $content;
 307 }
 308
 309 sub htmlize (@) {
 310         my %params=@_;
 311
 312         my $page = $params{page};
 313         my $content = $params{content};
 314
 315         # ignore PO files this plugin did not create
 316         return $content unless istranslation($page);
 317
 318         # force content to be htmlize'd as if it was the same type as the master page
 319         return IkiWiki::htmlize($page, $page,
 320                 pagetype(srcfile($pagesources{masterpage($page)})),
 321                 $content);
 322 }
 323
 324 sub pagetemplate (@) {
 325         my %params=@_;
 326         my $page=$params{page};
 327         my $destpage=$params{destpage};
 328         my $template=$params{template};
 329
 330         my ($masterpage, $lang) = istranslation($page);
 331
 332         if (istranslation($page) && $template->query(name => "percenttranslated")) {
 333                 $template->param(percenttranslated => percenttranslated($page));
 334         }
 335         if ($template->query(name => "istranslation")) {
 336                 $template->param(istranslation => scalar istranslation($page));
 337         }
 338         if ($template->query(name => "istranslatable")) {
 339                 $template->param(istranslatable => istranslatable($page));
 340         }
 341         if ($template->query(name => "HOMEPAGEURL")) {
 342                 $template->param(homepageurl => homepageurl($page));
 343         }
 344         if ($template->query(name => "otherlanguages")) {
 345                 $template->param(otherlanguages => [otherlanguagesloop($page)]);
 346                 map add_depends($page, $_), (values %{otherlanguages_pages($page)});
 347         }
 348         if ($config{discussion} && istranslation($page)) {
 349                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
 350                    (length $config{cgiurl} ||
 351                     exists $links{$masterpage."/".lc($config{discussionpage})})) {
 352                         $template->param('discussionlink' => htmllink(
 353                                 $page,
 354                                 $destpage,
 355                                 $masterpage . '/' . $config{discussionpage},
 356                                 noimageinline => 1,
 357                                 forcesubpage => 0,
 358                                 linktext => $config{discussionpage},
 359                 ));
 360                 }
 361         }
 362         # Remove broken parentlink to ./index.html on home page's translations.
 363         # It works because this hook has the "last" parameter set, to ensure it
 364         # runs after parentlinks' own pagetemplate hook.
 365         if ($template->param('parentlinks')
 366             && istranslation($page)
 367             && $masterpage eq "index") {
 368                 $template->param('parentlinks' => []);
 369         }
 370         if (ishomepage($page) && $template->query(name => "title")
 371             && !$template->param("title_overridden")) {
 372                 $template->param(title => $config{wikiname});
 373         }
 374 }
 375
 376 # Add the renamed page translations to the list of to-be-renamed pages.
 377 sub renamepages (@) {
 378         my %params = @_;
 379
 380         my %torename = %{$params{torename}};
 381         my $session = $params{session};
 382
 383         # Save the page(s) the user asked to rename, so that our
 384         # canrename hook can tell the difference between:
 385         #  - a translation being renamed as a consequence of its master page
 386         #    being renamed
 387         #  - a user trying to directly rename a translation
 388         # This is why this hook has to be run first, before the list of pages
 389         # to rename is modified by other plugins.
 390         my @orig_torename;
 391         @orig_torename=@{$session->param("po_orig_torename")}
 392                 if defined $session->param("po_orig_torename");
 393         push @orig_torename, $torename{src};
 394         $session->param(po_orig_torename => \@orig_torename);
 395         IkiWiki::cgi_savesession($session);
 396
 397         return () unless istranslatable($torename{src});
 398
 399         my @ret;
 400         my %otherpages=%{otherlanguages_pages($torename{src})};
 401         while (my ($lang, $otherpage) = each %otherpages) {
 402                 push @ret, {
 403                         src => $otherpage,
 404                         srcfile => $pagesources{$otherpage},
 405                         dest => otherlanguage_page($torename{dest}, $lang),
 406                         destfile => $torename{dest}.".".$lang.".po",
 407                         required => 0,
 408                 };
 409         }
 410         return @ret;
 411 }
 412
 413 sub mydelete (@) {
 414         my @deleted=@_;
 415
 416         map { deletetranslations($_) } grep istranslatablefile($_), @deleted;
 417 }
 418
 419 sub change (@) {
 420         my @rendered=@_;
 421
 422         my $updated_po_files=0;
 423
 424         # Refresh/create POT and PO files as needed.
 425         foreach my $file (grep {istranslatablefile($_)} @rendered) {
 426                 my $masterfile=srcfile($file);
 427                 my $page=pagename($file);
 428                 my $updated_pot_file=0;
 429
 430                 # Avoid touching underlay files.
 431                 next if $masterfile ne "$config{srcdir}/$file";
 432
 433                 # Only refresh POT file if it does not exist, or if
 434                 # the source was changed: don't if only the HTML was
 435                 # refreshed, e.g. because of a dependency.
 436                 if ((grep { $_ eq $pagesources{$page} } @origneedsbuild) ||
 437                     ! -e potfile($masterfile)) {
 438                         refreshpot($masterfile);
 439                         $updated_pot_file=1;
 440                 }
 441                 my @pofiles;
 442                 foreach my $po (pofiles($masterfile)) {
 443                         next if ! $updated_pot_file && -e $po;
 444                         next if grep { $po=~/\Q$_\E/ } @{$config{underlaydirs}};
 445                         push @pofiles, $po;
 446                 }
 447                 if (@pofiles) {
 448                         refreshpofiles($masterfile, @pofiles);
 449                         map { s/^\Q$config{srcdir}\E\/*//; IkiWiki::rcs_add($_) } @pofiles if $config{rcs};
 450                         $updated_po_files=1;
 451                 }
 452         }
 453
 454         if ($updated_po_files) {
 455                 commit_and_refresh(
 456                         gettext("updated PO files"));
 457         }
 458 }
 459
 460 sub checkcontent (@) {
 461         my %params=@_;
 462
 463         if (istranslation($params{page})) {
 464                 my $res = isvalidpo($params{content});
 465                 if ($res) {
 466                         return undef;
 467                 }
 468                 else {
 469                         return "$res";
 470                 }
 471         }
 472         return undef;
 473 }
 474
 475 sub canremove (@) {
 476         my %params = @_;
 477
 478         if (istranslation($params{page})) {
 479                 return gettext("Can not remove a translation. If the master page is removed, ".
 480                                "however, its translations will be removed as well.");
 481         }
 482         return undef;
 483 }
 484
 485 sub canrename (@) {
 486         my %params = @_;
 487         my $session = $params{session};
 488
 489         if (istranslation($params{src})) {
 490                 my $masterpage = masterpage($params{src});
 491                 # Tell the difference between:
 492                 #  - a translation being renamed as a consequence of its master page
 493                 #    being renamed, which is allowed
 494                 #  - a user trying to directly rename a translation, which is forbidden
 495                 # by looking for the master page in the list of to-be-renamed pages we
 496                 # saved early in the renaming process.
 497                 my $orig_torename = $session->param("po_orig_torename");
 498                 unless (grep { $_ eq $masterpage } @{$orig_torename}) {
 499                         return gettext("Can not rename a translation. If the master page is renamed, ".
 500                                        "however, its translations will be renamed as well.");
 501                 }
 502         }
 503         return undef;
 504 }
 505
 506 # As we're previewing or saving a page, the content may have
 507 # changed, so tell the next filter() invocation it must not be lazy.
 508 sub editcontent () {
 509         my %params=@_;
 510
 511         unsetalreadyfiltered($params{page}, $params{page});
 512         return $params{content};
 513 }
 514
 515 sub formbuilder_setup (@) {
 516         my %params=@_;
 517         my $form=$params{form};
 518         my $q=$params{cgi};
 519
 520         return unless defined $form->field("do");
 521
 522         if ($form->field("do") eq "create") {
 523                 # Warn the user: new pages must be written in master language.
 524                 my $template=template("pocreatepage.tmpl");
 525                 $template->param(LANG => $master_language_name);
 526                 $form->tmpl_param(message => $template->output);
 527         }
 528         elsif ($form->field("do") eq "edit") {
 529                 # Remove the rename/remove buttons on slave pages.
 530                 # This has to be done after the rename/remove plugins have added
 531                 # their buttons, which is why this hook must be run last.
 532                 # The canrename/canremove hooks already ensure this is forbidden
 533                 # at the backend level, so this is only UI sugar.
 534                 if (istranslation($form->field("page"))) {
 535                         map {
 536                                 for (my $i = 0; $i < @{$params{buttons}}; $i++) {
 537                                         if (@{$params{buttons}}[$i] eq $_) {
 538                                                 delete  @{$params{buttons}}[$i];
 539                                                 last;
 540                                         }
 541                                 }
 542                         } qw(Rename Remove);
 543                 }
 544         }
 545 }
 546
 547 sub formbuilder (@) {
 548         my %params=@_;
 549         my $form=$params{form};
 550         my $q=$params{cgi};
 551
 552         return unless defined $form->field("do");
 553
 554         # Do not allow to create pages of type po: they are automatically created.
 555         # The main reason to do so is to bypass the "favor the type of linking page
 556         # on page creation" logic, which is unsuitable when a broken link is clicked
 557         # on a slave (PO) page.
 558         # This cannot be done in the formbuilder_setup hook as the list of types is
 559         # computed later.
 560         if ($form->field("do") eq "create") {
 561                 foreach my $field ($form->field) {
 562                         next unless "$field" eq "type";
 563                         next unless $field->type eq 'select';
 564                         my $orig_value = $field->value;
 565                         # remove po from the list of types
 566                         my @types = grep { $_->[0] ne 'po' } $field->options;
 567                         $field->options(\@types) if @types;
 568                         # favor the type of linking page's masterpage
 569                         if ($orig_value eq 'po') {
 570                                 my ($from, $type);
 571                                 if (defined $form->field('from')) {
 572                                         ($from)=$form->field('from')=~/$config{wiki_file_regexp}/;
 573                                         $from = masterpage($from);
 574                                 }
 575                                 if (defined $from && exists $pagesources{$from}) {
 576                                         $type=pagetype($pagesources{$from});
 577                                 }
 578                                 $type=$config{default_pageext} unless defined $type;
 579                                 $field->value($type) ;
 580                         }
 581                 }
 582         }
 583 }
 584
 585 # ,----
 586 # | Injected functions
 587 # `----
 588
 589 # Implement po_link_to 'current' and 'negotiated' settings.
 590 sub mybestlink ($$) {
 591         my $page=shift;
 592         my $link=shift;
 593
 594         return $origsubs{'bestlink'}->($page, $link)
 595                 if defined $config{po_link_to} && $config{po_link_to} eq "default";
 596
 597         my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
 598         my @caller = caller(1);
 599         if (length $res
 600             && istranslatedto($res, lang($page))
 601             && istranslation($page)
 602             &&  !(exists $caller[3] && defined $caller[3]
 603                   && ($caller[3] eq "IkiWiki::PageSpec::match_link"))) {
 604                 return $res . "." . lang($page);
 605         }
 606         return $res;
 607 }
 608
 609 sub mybeautify_urlpath ($) {
 610         my $url=shift;
 611
 612         my $res=$origsubs{'beautify_urlpath'}->($url);
 613         if (defined $config{po_link_to} && $config{po_link_to} eq "negotiated") {
 614                 $res =~ s!/\Qindex.$master_language_code.$config{htmlext}\E$!/!;
 615                 $res =~ s!/\Qindex.$config{htmlext}\E$!/!;
 616                 map {
 617                         $res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!;
 618                 } @slavelanguages;
 619         }
 620         return $res;
 621 }
 622
 623 sub mytargetpage ($$) {
 624         my $page=shift;
 625         my $ext=shift;
 626
 627         if (istranslation($page) || istranslatable($page)) {
 628                 my ($masterpage, $lang) = (masterpage($page), lang($page));
 629                 if (! $config{usedirs} || $masterpage eq 'index') {
 630                         return $masterpage . "." . $lang . "." . $ext;
 631                 }
 632                 else {
 633                         return $masterpage . "/index." . $lang . "." . $ext;
 634                 }
 635         }
 636         return $origsubs{'targetpage'}->($page, $ext);
 637 }
 638
 639 sub myurlto ($;$$) {
 640         my $to=shift;
 641         my $from=shift;
 642         my $absolute=shift;
 643
 644         # workaround hard-coded /index.$config{htmlext} in IkiWiki::urlto()
 645         if (! length $to
 646             && $config{po_link_to} eq "current"
 647             && istranslatable('index')) {
 648                 if (defined $from) {
 649                         return IkiWiki::beautify_urlpath(IkiWiki::baseurl($from) . "index." . lang($from) . ".$config{htmlext}");
 650                 }
 651                 else {
 652                         return $origsubs{'urlto'}->($to,$from,$absolute);
 653                 }
 654         }
 655         # avoid using our injected beautify_urlpath if run by cgi_editpage,
 656         # so that one is redirected to the just-edited page rather than to the
 657         # negociated translation; to prevent unnecessary fiddling with caller/inject,
 658         # we only do so when our beautify_urlpath would actually do what we want to
 659         # avoid, i.e. when po_link_to = negotiated.
 660         # also avoid doing so when run by cgi_goto, so that the links on recentchanges
 661         # page actually lead to the exact page they pretend to.
 662         if ($config{po_link_to} eq "negotiated") {
 663                 my @caller = caller(1);
 664                 my $use_orig = 0;
 665                 $use_orig = 1 if (exists $caller[3] && defined $caller[3]
 666                                  && ($caller[3] eq "IkiWiki::cgi_editpage" ||
 667                                      $caller[3] eq "IkiWiki::Plugin::goto::cgi_goto")
 668                                  );
 669                 inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'})
 670                         if $use_orig;
 671                 my $res = $origsubs{'urlto'}->($to,$from,$absolute);
 672                 inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath)
 673                         if $use_orig;
 674                 return $res;
 675         }
 676         else {
 677                 return $origsubs{'urlto'}->($to,$from,$absolute)
 678         }
 679 }
 680
 681 sub mycgiurl (@) {
 682         my %params=@_;
 683
 684         # slave pages have no subpages
 685         if (istranslation($params{'from'})) {
 686                 $params{'from'} = masterpage($params{'from'});
 687         }
 688         return $origsubs{'cgiurl'}->(%params);
 689 }
 690
 691 sub myrootpage (@) {
 692         my %params=@_;
 693
 694         my $rootpage;
 695         if (exists $params{rootpage}) {
 696                 $rootpage=$origsubs{'bestlink'}->($params{page}, $params{rootpage});
 697                 if (!length $rootpage) {
 698                         $rootpage=$params{rootpage};
 699                 }
 700         }
 701         else {
 702                 $rootpage=masterpage($params{page});
 703         }
 704         return $rootpage;
 705 }
 706
 707 sub myisselflink ($$) {
 708         my $page=shift;
 709         my $link=shift;
 710
 711         return 1 if $origsubs{'isselflink'}->($page, $link);
 712         if (istranslation($page)) {
 713                 return $origsubs{'isselflink'}->(masterpage($page), $link);
 714         }
 715         return;
 716 }
 717
 718 # ,----
 719 # | Blackboxes for private data
 720 # `----
 721
 722 {
 723         my %filtered;
 724
 725         sub alreadyfiltered($$) {
 726                 my $page=shift;
 727                 my $destpage=shift;
 728
 729                 return exists $filtered{$page}{$destpage}
 730                          && $filtered{$page}{$destpage} eq 1;
 731         }
 732
 733         sub setalreadyfiltered($$) {
 734                 my $page=shift;
 735                 my $destpage=shift;
 736
 737                 $filtered{$page}{$destpage}=1;
 738         }
 739
 740         sub unsetalreadyfiltered($$) {
 741                 my $page=shift;
 742                 my $destpage=shift;
 743
 744                 if (exists $filtered{$page}{$destpage}) {
 745                         delete $filtered{$page}{$destpage};
 746                 }
 747         }
 748
 749         sub resetalreadyfiltered() {
 750                 undef %filtered;
 751         }
 752 }
 753
 754 # ,----
 755 # | Helper functions
 756 # `----
 757
 758 sub maybe_add_leading_slash ($;$) {
 759         my $str=shift;
 760         my $add=shift;
 761         $add=1 unless defined $add;
 762         return '/' . $str if $add;
 763         return $str;
 764 }
 765
 766 sub istranslatablefile ($) {
 767         my $file=shift;
 768
 769         return 0 unless defined $file;
 770         my $type=pagetype($file);
 771         return 0 if ! defined $type || $type eq 'po';
 772         return 0 if $file =~ /\.pot$/;
 773         return 0 if ! defined $config{po_translatable_pages};
 774         return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
 775         return;
 776 }
 777
 778 sub istranslatable ($) {
 779         my $page=shift;
 780
 781         $page=~s#^/##;
 782         return 1 if istranslatablefile($pagesources{$page});
 783         return;
 784 }
 785
 786 sub istranslatedto ($$) {
 787         my $page=shift;
 788         my $destlang = shift;
 789
 790         $page=~s#^/##;
 791         return 0 unless istranslatable($page);
 792         exists $pagesources{otherlanguage_page($page, $destlang)};
 793 }
 794
 795 sub _istranslation ($) {
 796         my $page=shift;
 797
 798         $page='' unless defined $page && length $page;
 799         my $hasleadingslash = ($page=~s#^/##);
 800         my $file=$pagesources{$page};
 801         return 0 unless defined $file
 802                          && defined pagetype($file)
 803                          && pagetype($file) eq 'po';
 804         return 0 if $file =~ /\.pot$/;
 805
 806         my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
 807         return 0 unless defined $masterpage && defined $lang
 808                          && length $masterpage && length $lang
 809                          && defined $pagesources{$masterpage}
 810                          && defined $slavelanguages{$lang};
 811
 812         return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang)
 813                 if istranslatable($masterpage);
 814 }
 815
 816 sub istranslation ($) {
 817         my $page=shift;
 818
 819         if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
 820                 my $hasleadingslash = ($masterpage=~s#^/##);
 821                 $translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
 822                 return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang);
 823         }
 824         return "";
 825 }
 826
 827 sub masterpage ($) {
 828         my $page=shift;
 829
 830         if ( 1 < (my ($masterpage, $lang) = _istranslation($page))) {
 831                 return $masterpage;
 832         }
 833         return $page;
 834 }
 835
 836 sub lang ($) {
 837         my $page=shift;
 838
 839         if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
 840                 return $lang;
 841         }
 842         return $master_language_code;
 843 }
 844
 845 sub islanguagecode ($) {
 846         my $code=shift;
 847
 848         return $code =~ /^[a-z]{2}$/;
 849 }
 850
 851 sub otherlanguage_page ($$) {
 852         my $page=shift;
 853         my $code=shift;
 854
 855         return masterpage($page) if $code eq $master_language_code;
 856         return masterpage($page) . '.' . $code;
 857 }
 858
 859 # Returns the list of other languages codes: the master language comes first,
 860 # then the codes are ordered the same way as in po_slave_languages, if it is
 861 # an array, or in the language name lexical order, if it is a hash.
 862 sub otherlanguages_codes ($) {
 863         my $page=shift;
 864
 865         my @ret;
 866         return \@ret unless istranslation($page) || istranslatable($page);
 867         my $curlang=lang($page);
 868         foreach my $lang
 869                 ($master_language_code, @slavelanguages) {
 870                 next if $lang eq $curlang;
 871                 if ($lang eq $master_language_code ||
 872                     istranslatedto(masterpage($page), $lang)) {
 873                         push @ret, $lang;
 874                 }
 875         }
 876         return \@ret;
 877 }
 878
 879 sub otherlanguages_pages ($) {
 880         my $page=shift;
 881
 882         my %ret;
 883         map {
 884                 $ret{$_} = otherlanguage_page($page, $_)
 885         } @{otherlanguages_codes($page)};
 886
 887         return \%ret;
 888 }
 889
 890 sub potfile ($) {
 891         my $masterfile=shift;
 892
 893         (my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
 894         $dir='' if $dir eq './';
 895         return File::Spec->catpath('', $dir, $name . ".pot");
 896 }
 897
 898 sub pofile ($$) {
 899         my $masterfile=shift;
 900         my $lang=shift;
 901
 902         (my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
 903         $dir='' if $dir eq './';
 904         return File::Spec->catpath('', $dir, $name . "." . $lang . ".po");
 905 }
 906
 907 sub pofiles ($) {
 908         my $masterfile=shift;
 909
 910         return map pofile($masterfile, $_), @slavelanguages;
 911 }
 912
 913 sub refreshpot ($) {
 914         my $masterfile=shift;
 915
 916         my $potfile=potfile($masterfile);
 917         my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
 918                                            po4a_options($masterfile));
 919         $doc->{TT}{utf_mode} = 1;
 920         $doc->{TT}{file_in_charset} = 'UTF-8';
 921         $doc->{TT}{file_out_charset} = 'UTF-8';
 922         $doc->read($masterfile);
 923         # let's cheat a bit to force porefs option to be passed to
 924         # Locale::Po4a::Po; this is undocument use of internal
 925         # Locale::Po4a::TransTractor's data, compulsory since this module
 926         # prevents us from using the porefs option.
 927         $doc->{TT}{po_out}=Locale::Po4a::Po->new({ 'porefs' => 'none' });
 928         $doc->{TT}{po_out}->set_charset('UTF-8');
 929         # do the actual work
 930         $doc->parse;
 931         IkiWiki::prep_writefile(basename($potfile),dirname($potfile));
 932         $doc->writepo($potfile);
 933 }
 934
 935 sub refreshpofiles ($@) {
 936         my $masterfile=shift;
 937         my @pofiles=@_;
 938
 939         my $potfile=potfile($masterfile);
 940         if (! -e $potfile) {
 941                 error("po(refreshpofiles) ".sprintf(gettext("POT file (%s) does not exist"), $potfile));
 942         }
 943
 944         foreach my $pofile (@pofiles) {
 945                 IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
 946
 947                 if (! -e $pofile) {
 948                         # If the po file exists in an underlay, copy it
 949                         # from there.
 950                         my ($pobase)=$pofile=~/^\Q$config{srcdir}\E\/?(.*)$/;
 951                         foreach my $dir (@{$config{underlaydirs}}) {
 952                                 if (-e "$dir/$pobase") {
 953                                         File::Copy::syscopy("$dir/$pobase",$pofile)
 954                                                 or error("po(refreshpofiles) ".
 955                                                          sprintf(gettext("failed to copy underlay PO file to %s"),
 956                                                                  $pofile));
 957                                 }
 958                         }
 959                 }
 960
 961                 if (-e $pofile) {
 962                         system("msgmerge", "--previous", "-q", "-U", "--backup=none", $pofile, $potfile) == 0
 963                                 or error("po(refreshpofiles) ".
 964                                          sprintf(gettext("failed to update %s"),
 965                                                  $pofile));
 966                 }
 967                 else {
 968                         File::Copy::syscopy($potfile,$pofile)
 969                                 or error("po(refreshpofiles) ".
 970                                          sprintf(gettext("failed to copy the POT file to %s"),
 971                                                  $pofile));
 972                 }
 973         }
 974 }
 975
 976 sub buildtranslationscache() {
 977         # use istranslation's side-effect
 978         map istranslation($_), (keys %pagesources);
 979 }
 980
 981 sub resettranslationscache() {
 982         undef %translations;
 983 }
 984
 985 sub flushmemoizecache() {
 986         Memoize::flush_cache("istranslatable");
 987         Memoize::flush_cache("_istranslation");
 988         Memoize::flush_cache("percenttranslated");
 989 }
 990
 991 sub urlto_with_orig_beautiful_urlpath($$) {
 992         my $to=shift;
 993         my $from=shift;
 994
 995         inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'});
 996         my $res=urlto($to, $from);
 997         inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
 998
 999         return $res;
1000 }
1001
1002 sub percenttranslated ($) {
1003         my $page=shift;
1004
1005         $page=~s/^\///;
1006         return gettext("N/A") unless istranslation($page);
1007         my $file=srcfile($pagesources{$page});
1008         my $masterfile = srcfile($pagesources{masterpage($page)});
1009         my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
1010                                            po4a_options($masterfile));
1011         $doc->process(
1012                 'po_in_name'    => [ $file ],
1013                 'file_in_name'  => [ $masterfile ],
1014                 'file_in_charset'  => 'UTF-8',
1015                 'file_out_charset' => 'UTF-8',
1016         ) or error("po(percenttranslated) ".
1017                    sprintf(gettext("failed to translate %s"), $page));
1018         my ($percent,$hit,$queries) = $doc->stats();
1019         $percent =~ s/\.[0-9]+$//;
1020         return $percent;
1021 }
1022
1023 sub languagename ($) {
1024         my $code=shift;
1025
1026         return $master_language_name
1027                 if $code eq $master_language_code;
1028         return $slavelanguages{$code}
1029                 if defined $slavelanguages{$code};
1030         return;
1031 }
1032
1033 sub otherlanguagesloop ($) {
1034         my $page=shift;
1035
1036         my @ret;
1037         if (istranslation($page)) {
1038                 push @ret, {
1039                         url => urlto_with_orig_beautiful_urlpath(masterpage($page), $page),
1040                         code => $master_language_code,
1041                         language => $master_language_name,
1042                         master => 1,
1043                 };
1044         }
1045         foreach my $lang (@{otherlanguages_codes($page)}) {
1046                 next if $lang eq $master_language_code;
1047                 my $otherpage = otherlanguage_page($page, $lang);
1048                 push @ret, {
1049                         url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
1050                         code => $lang,
1051                         language => languagename($lang),
1052                         percent => percenttranslated($otherpage),
1053                 }
1054         }
1055         return @ret;
1056 }
1057
1058 sub homepageurl (;$) {
1059         my $page=shift;
1060
1061         return urlto('', $page);
1062 }
1063
1064 sub ishomepage ($) {
1065         my $page = shift;
1066
1067         return 1 if $page eq 'index';
1068         map { return 1 if $page eq 'index.'.$_ } @slavelanguages;
1069         return undef;
1070 }
1071
1072 sub deletetranslations ($) {
1073         my $deletedmasterfile=shift;
1074
1075         my $deletedmasterpage=pagename($deletedmasterfile);
1076         my @todelete;
1077         map {
1078                 my $file = newpagefile($deletedmasterpage.'.'.$_, 'po');
1079                 my $absfile = "$config{srcdir}/$file";
1080                 if (-e $absfile && ! -l $absfile && ! -d $absfile) {
1081                         push @todelete, $file;
1082                 }
1083         } @slavelanguages;
1084
1085         map {
1086                 if ($config{rcs}) {
1087                         IkiWiki::rcs_remove($_);
1088                 }
1089                 else {
1090                         IkiWiki::prune("$config{srcdir}/$_");
1091                 }
1092         } @todelete;
1093
1094         if (@todelete) {
1095                 commit_and_refresh(
1096                         gettext("removed obsolete PO files"));
1097         }
1098 }
1099
1100 sub commit_and_refresh ($) {
1101         my $msg = shift;
1102
1103         if ($config{rcs}) {
1104                 IkiWiki::disable_commit_hook();
1105                 IkiWiki::rcs_commit_staged(
1106                         message => $msg,
1107                 );
1108                 IkiWiki::enable_commit_hook();
1109                 IkiWiki::rcs_update();
1110         }
1111         # Reinitialize module's private variables.
1112         resetalreadyfiltered();
1113         resettranslationscache();
1114         flushmemoizecache();
1115         # Trigger a wiki refresh.
1116         require IkiWiki::Render;
1117         # without preliminary saveindex/loadindex, refresh()
1118         # complains about a lot of uninitialized variables
1119         IkiWiki::saveindex();
1120         IkiWiki::loadindex();
1121         IkiWiki::refresh();
1122         IkiWiki::saveindex();
1123 }
1124
1125 sub po_to_markup ($$) {
1126         my ($page, $content) = (shift, shift);
1127
1128         $content = '' unless defined $content;
1129         $content = decode_utf8(encode_utf8($content));
1130         # CRLF line terminators make poor Locale::Po4a feel bad
1131         $content=~s/\r\n/\n/g;
1132
1133         # There are incompatibilities between some File::Temp versions
1134         # (including 0.18, bundled with Lenny's perl-modules package)
1135         # and others (e.g. 0.20, previously present in the archive as
1136         # a standalone package): under certain circumstances, some
1137         # return a relative filename, whereas others return an absolute one;
1138         # we here use this module in a way that is at least compatible
1139         # with 0.18 and 0.20. Beware, hit'n'run refactorers!
1140         my $infile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-in.XXXXXXXXXX",
1141                                     DIR => File::Spec->tmpdir,
1142                                     UNLINK => 1)->filename;
1143         my $outfile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-out.XXXXXXXXXX",
1144                                      DIR => File::Spec->tmpdir,
1145                                      UNLINK => 1)->filename;
1146
1147         my $fail = sub ($) {
1148                 my $msg = "po(po_to_markup) - $page : " . shift;
1149                 error($msg, sub { unlink $infile, $outfile});
1150         };
1151
1152         writefile(basename($infile), File::Spec->tmpdir, $content)
1153                 or return $fail->(sprintf(gettext("failed to write %s"), $infile));
1154
1155         my $masterfile = srcfile($pagesources{masterpage($page)});
1156         my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
1157                                            po4a_options($masterfile));
1158         $doc->process(
1159                 'po_in_name'    => [ $infile ],
1160                 'file_in_name'  => [ $masterfile ],
1161                 'file_in_charset'  => 'UTF-8',
1162                 'file_out_charset' => 'UTF-8',
1163         ) or return $fail->(gettext("failed to translate"));
1164         $doc->write($outfile)
1165                 or return $fail->(sprintf(gettext("failed to write %s"), $outfile));
1166
1167         $content = readfile($outfile);
1168
1169         # Unlinking should happen automatically, thanks to File::Temp,
1170         # but it does not work here, probably because of the way writefile()
1171         # and Locale::Po4a::write() work.
1172         unlink $infile, $outfile;
1173
1174         return $content;
1175 }
1176
1177 # returns a SuccessReason or FailReason object
1178 sub isvalidpo ($) {
1179         my $content = shift;
1180
1181         # NB: we don't use po_to_markup here, since Po4a parser does
1182         # not mind invalid PO content
1183         $content = '' unless defined $content;
1184         $content = decode_utf8(encode_utf8($content));
1185
1186         # There are incompatibilities between some File::Temp versions
1187         # (including 0.18, bundled with Lenny's perl-modules package)
1188         # and others (e.g. 0.20, previously present in the archive as
1189         # a standalone package): under certain circumstances, some
1190         # return a relative filename, whereas others return an absolute one;
1191         # we here use this module in a way that is at least compatible
1192         # with 0.18 and 0.20. Beware, hit'n'run refactorers!
1193         my $infile = new File::Temp(TEMPLATE => "ikiwiki-po-isvalidpo.XXXXXXXXXX",
1194                                     DIR => File::Spec->tmpdir,
1195                                     UNLINK => 1)->filename;
1196
1197         my $fail = sub ($) {
1198                 my $msg = '[po/isvalidpo] ' . shift;
1199                 unlink $infile;
1200                 return IkiWiki::FailReason->new("$msg");
1201         };
1202
1203         writefile(basename($infile), File::Spec->tmpdir, $content)
1204                 or return $fail->(sprintf(gettext("failed to write %s"), $infile));
1205
1206         my $res = (system("msgfmt", "--check", $infile, "-o", "/dev/null") == 0);
1207
1208         # Unlinking should happen automatically, thanks to File::Temp,
1209         # but it does not work here, probably because of the way writefile()
1210         # and Locale::Po4a::write() work.
1211         unlink $infile;
1212
1213         if ($res) {
1214                 return IkiWiki::SuccessReason->new("valid gettext data");
1215         }
1216         return IkiWiki::FailReason->new(gettext("invalid gettext data, go back ".
1217                                         "to previous page to continue edit"));
1218 }
1219
1220 sub po4a_type ($) {
1221         my $file = shift;
1222
1223         my $pagetype = pagetype($file);
1224         if ($pagetype eq 'html') {
1225                 return 'xhtml';
1226         }
1227         return 'text';
1228 }
1229
1230 sub po4a_options($) {
1231         my $file = shift;
1232
1233         my %options;
1234         my $pagetype = pagetype($file);
1235
1236         if ($pagetype eq 'html') {
1237                 # how to disable options is not consistent across po4a modules
1238                 $options{includessi} = '';
1239                 $options{includeexternal} = 0;
1240         }
1241         elsif ($pagetype eq 'mdwn') {
1242                 $options{markdown} = 1;
1243         }
1244         else {
1245                 $options{markdown} = 0;
1246         }
1247
1248         return %options;
1249 }
1250
1251 sub splitlangpair ($) {
1252         my $pair=shift;
1253
1254         my ($code, $name) = ( $pair =~ /^([a-z]{2})\|(.+)$/ );
1255         if (! defined $code || ! defined $name ||
1256             ! length $code || ! length $name) {
1257                 # not a fatal error to avoid breaking if used with web setup
1258                 warn sprintf(gettext("%s has invalid syntax: must use CODE|NAME"),
1259                         $pair);
1260         }
1261
1262         return $code, $name;
1263 }
1264
1265 sub joinlangpair ($$) {
1266         my $code=shift;
1267         my $name=shift;
1268
1269         return "$code|$name";
1270 }
1271
1272 # ,----
1273 # | PageSpecs
1274 # `----
1275
1276 package IkiWiki::PageSpec;
1277
1278 sub match_istranslation ($;@) {
1279         my $page=shift;
1280
1281         if (IkiWiki::Plugin::po::istranslation($page)) {
1282                 return IkiWiki::SuccessReason->new("is a translation page");
1283         }
1284         else {
1285                 return IkiWiki::FailReason->new("is not a translation page");
1286         }
1287 }
1288
1289 sub match_istranslatable ($;@) {
1290         my $page=shift;
1291
1292         if (IkiWiki::Plugin::po::istranslatable($page)) {
1293                 return IkiWiki::SuccessReason->new("is set as translatable in po_translatable_pages");
1294         }
1295         else {
1296                 return IkiWiki::FailReason->new("is not set as translatable in po_translatable_pages");
1297         }
1298 }
1299
1300 sub match_lang ($$;@) {
1301         my $page=shift;
1302         my $wanted=shift;
1303
1304         my $regexp=IkiWiki::glob2re($wanted);
1305         my $lang=IkiWiki::Plugin::po::lang($page);
1306         if ($lang !~ $regexp) {
1307                 return IkiWiki::FailReason->new("file language is $lang, not $wanted");
1308         }
1309         else {
1310                 return IkiWiki::SuccessReason->new("file language is $wanted");
1311         }
1312 }
1313
1314 sub match_currentlang ($$;@) {
1315         my $page=shift;
1316         shift;
1317         my %params=@_;
1318
1319         return IkiWiki::FailReason->new("no location provided") unless exists $params{location};
1320
1321         my $currentlang=IkiWiki::Plugin::po::lang($params{location});
1322         my $lang=IkiWiki::Plugin::po::lang($page);
1323
1324         if ($lang eq $currentlang) {
1325                 return IkiWiki::SuccessReason->new("file language is the same as current one, i.e. $currentlang");
1326         }
1327         else {
1328                 return IkiWiki::FailReason->new("file language is $lang, whereas current language is $currentlang");
1329         }
1330 }
1331
1332 sub match_needstranslation ($$;@) {
1333         my $page=shift;
1334         my $wanted=shift;
1335
1336         if (defined $wanted && $wanted ne "") {
1337                 if ($wanted !~ /^\d+$/) {
1338                         return IkiWiki::FailReason->new("parameter is not an integer");
1339                 }
1340                 elsif ($wanted > 100) {
1341                         return IkiWiki::FailReason->new("parameter is greater than 100");
1342                 }
1343         }
1344         else {
1345                 $wanted=100;
1346         }
1347
1348         my $percenttranslated=IkiWiki::Plugin::po::percenttranslated($page);
1349         if ($percenttranslated eq 'N/A') {
1350                 return IkiWiki::FailReason->new("file is not a translatable page");
1351         }
1352         elsif ($percenttranslated < $wanted) {
1353                 return IkiWiki::SuccessReason->new("file has $percenttranslated translated");
1354         }
1355         else {
1356                 return IkiWiki::FailReason->new("file is translated enough");
1357         }
1358 }
1359
1360 1