+ if (! (keys %{$config{po_slave_languages}})) {
+ error(gettext("At least one slave language must be defined in po_slave_languages"));
+ }
+ map {
+ islanguagecode($_)
+ or error(sprintf(gettext("%s is not a valid language code"), $_));
+ } ($config{po_master_language}{code}, keys %{$config{po_slave_languages}});
+ if (! exists $config{po_translatable_pages} ||
+ ! defined $config{po_translatable_pages}) {
+ $config{po_translatable_pages}="";
+ }
+ if (! exists $config{po_link_to} ||
+ ! defined $config{po_link_to}) {
+ $config{po_link_to}='default';
+ }
+ elsif (! grep {
+ $config{po_link_to} eq $_
+ } ('default', 'current', 'negotiated')) {
+ warn(sprintf(gettext('po_link_to=%s is not a valid setting, falling back to po_link_to=default'),
+ $config{po_link_to}));
+ $config{po_link_to}='default';
+ }
+ elsif ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
+ warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
+ $config{po_link_to}='default';
+ }
+ if (! exists $config{po_translation_status_in_links} ||
+ ! defined $config{po_translation_status_in_links}) {
+ $config{po_translation_status_in_links}=1;
+ }
+ push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
+}
+
+sub needsbuild () {
+ my $needsbuild=shift;
+
+ # backup @needsbuild content so that change() can know whether
+ # a given master page was rendered because its source file was changed
+ @origneedsbuild=(@$needsbuild);
+
+ flushmemoizecache();
+ buildtranslationscache();
+
+ # make existing translations depend on the corresponding master page
+ foreach my $master (keys %translations) {
+ map add_depends($_, $master), values %{otherlanguages($master)};
+ }
+}
+
+# Massage the recorded state of internal links so that:
+# - it matches the actually generated links, rather than the links as written
+# in the pages' source
+# - backlinks are consistent in all cases
+sub scan (@) {
+ my %params=@_;
+ my $page=$params{page};
+ my $content=$params{content};
+
+ return unless UNIVERSAL::can("IkiWiki::Plugin::link", "import");
+
+ if (istranslation($page)) {
+ foreach my $destpage (@{$links{$page}}) {
+ if (istranslatable($destpage)) {
+ # replace one occurence of $destpage in $links{$page}
+ # (we only want to replace the one that was added by
+ # IkiWiki::Plugin::link::scan, other occurences may be
+ # there for other reasons)
+ for (my $i=0; $i<@{$links{$page}}; $i++) {
+ if (@{$links{$page}}[$i] eq $destpage) {
+ @{$links{$page}}[$i] = $destpage . '.' . lang($page);
+ last;
+ }
+ }
+ }
+ }
+ }
+ elsif (! istranslatable($page) && ! istranslation($page)) {
+ foreach my $destpage (@{$links{$page}}) {
+ if (istranslatable($destpage)) {
+ # make sure any destpage's translations has
+ # $page in its backlinks
+ push @{$links{$page}},
+ values %{otherlanguages($destpage)};
+ }
+ }
+ }
+}
+
+# We use filter to convert PO to the master page's format,
+# since the rest of ikiwiki should not work on PO files.
+sub filter (@) {
+ my %params = @_;
+
+ my $page = $params{page};
+ my $destpage = $params{destpage};
+ my $content = decode_utf8(encode_utf8($params{content}));
+
+ return $content if ( ! istranslation($page)
+ || alreadyfiltered($page, $destpage) );
+
+ # CRLF line terminators make poor Locale::Po4a feel bad
+ $content=~s/\r\n/\n/g;
+
+ # There are incompatibilities between some File::Temp versions
+ # (including 0.18, bundled with Lenny's perl-modules package)
+ # and others (e.g. 0.20, previously present in the archive as
+ # a standalone package): under certain circumstances, some
+ # return a relative filename, whereas others return an absolute one;
+ # we here use this module in a way that is at least compatible
+ # with 0.18 and 0.20. Beware, hit'n'run refactorers!
+ my $infile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-in.XXXXXXXXXX",
+ DIR => File::Spec->tmpdir,
+ UNLINK => 1)->filename;
+ my $outfile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-out.XXXXXXXXXX",
+ DIR => File::Spec->tmpdir,
+ UNLINK => 1)->filename;
+
+ writefile(basename($infile), File::Spec->tmpdir, $content);
+
+ my $masterfile = srcfile($pagesources{masterpage($page)});
+ my %options = (
+ "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
+ );
+ my $doc=Locale::Po4a::Chooser::new('text',%options);
+ $doc->process(
+ 'po_in_name' => [ $infile ],
+ 'file_in_name' => [ $masterfile ],
+ 'file_in_charset' => 'utf-8',
+ 'file_out_charset' => 'utf-8',
+ ) or error("[po/filter:$page]: failed to translate");
+ $doc->write($outfile) or error("[po/filter:$page] could not write $outfile");
+ $content = readfile($outfile) or error("[po/filter:$page] could not read $outfile");
+
+ # Unlinking should happen automatically, thanks to File::Temp,
+ # but it does not work here, probably because of the way writefile()
+ # and Locale::Po4a::write() work.
+ unlink $infile, $outfile;
+
+ setalreadyfiltered($page, $destpage);
+ return $content;
+}
+
+sub htmlize (@) {
+ my %params=@_;
+
+ my $page = $params{page};
+ my $content = $params{content};
+
+ # ignore PO files this plugin did not create
+ return $content unless istranslation($page);
+
+ # force content to be htmlize'd as if it was the same type as the master page
+ return IkiWiki::htmlize($page, $page,
+ pagetype(srcfile($pagesources{masterpage($page)})),
+ $content);
+}
+
+sub pagetemplate (@) {
+ my %params=@_;
+ my $page=$params{page};
+ my $destpage=$params{destpage};
+ my $template=$params{template};
+
+ my ($masterpage, $lang) = istranslation($page);
+
+ if (istranslation($page) && $template->query(name => "percenttranslated")) {
+ $template->param(percenttranslated => percenttranslated($page));
+ }
+ if ($template->query(name => "istranslation")) {
+ $template->param(istranslation => scalar istranslation($page));
+ }
+ if ($template->query(name => "istranslatable")) {
+ $template->param(istranslatable => istranslatable($page));
+ }
+ if ($template->query(name => "HOMEPAGEURL")) {
+ $template->param(homepageurl => homepageurl($page));
+ }
+ if ($template->query(name => "otherlanguages")) {
+ $template->param(otherlanguages => [otherlanguagesloop($page)]);
+ map add_depends($page, $_), (values %{otherlanguages($page)});
+ }
+ # Rely on IkiWiki::Render's genpage() to decide wether
+ # a discussion link should appear on $page; this is not
+ # totally accurate, though: some broken links may be generated
+ # when cgiurl is disabled.
+ # This compromise avoids some code duplication, and will probably
+ # prevent future breakage when ikiwiki internals change.
+ # Known limitations are preferred to future random bugs.
+ if ($template->param('discussionlink') && istranslation($page)) {
+ $template->param('discussionlink' => htmllink(
+ $page,
+ $destpage,
+ $masterpage . '/' . gettext("Discussion"),
+ noimageinline => 1,
+ forcesubpage => 0,
+ linktext => gettext("Discussion"),
+ ));
+ }
+ # Remove broken parentlink to ./index.html on home page's translations.
+ # It works because this hook has the "last" parameter set, to ensure it
+ # runs after parentlinks' own pagetemplate hook.
+ if ($template->param('parentlinks')
+ && istranslation($page)
+ && $masterpage eq "index") {
+ $template->param('parentlinks' => []);