(no commit message)

[git.ikiwiki.info.git] / IkiWiki / Plugin / po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index cdb9271e4529ff31bef653d5154ff34808629cf4..a79e7d7f0ee56f579ff4e261cd97028533de3099 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -10,7 +10,12 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Encode;
 use strict;
 use IkiWiki 3.00;
 use Encode;

-use Locale::Po4a::Common qw(nowrapi18n);
+eval q{use Locale::Po4a::Common qw(nowrapi18n !/.*/)};
+if ($@) {
+       print STDERR gettext("warning: Old po4a detected! Recommend upgrade to 0.35.")."\n";
+       eval q{use Locale::Po4a::Common qw(!/.*/)};
+       die $@ if $@;
+}

 use Locale::Po4a::Chooser;
 use Locale::Po4a::Po;
 use File::Basename;
 use Locale::Po4a::Chooser;
 use Locale::Po4a::Po;
 use File::Basename;


@@ -20,9 +25,12 @@ use File::Temp;
 use Memoize;
 use UNIVERSAL;
 
 use Memoize;
 use UNIVERSAL;
 

+my ($master_language_code, $master_language_name);

 my %translations;
 my @origneedsbuild;
 my %origsubs;
 my %translations;
 my @origneedsbuild;
 my %origsubs;

+my @slavelanguages; # language codes ordered as in config po_slave_languages
+my %slavelanguages; # language code to name lookup

 
 memoize("istranslatable");
 memoize("_istranslation");
 
 memoize("istranslatable");
 memoize("_istranslation");


@@ -46,16 +54,22 @@ sub import {
        hook(type => "formbuilder_setup", id => "po", call => \&formbuilder_setup, last => 1);
        hook(type => "formbuilder", id => "po", call => \&formbuilder);
 
        hook(type => "formbuilder_setup", id => "po", call => \&formbuilder_setup, last => 1);
        hook(type => "formbuilder", id => "po", call => \&formbuilder);
 

-       $origsubs{'bestlink'}=\&IkiWiki::bestlink;
-       inject(name => "IkiWiki::bestlink", call => \&mybestlink);
-       $origsubs{'beautify_urlpath'}=\&IkiWiki::beautify_urlpath;
-       inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
-       $origsubs{'targetpage'}=\&IkiWiki::targetpage;
-       inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
-       $origsubs{'urlto'}=\&IkiWiki::urlto;
-       inject(name => "IkiWiki::urlto", call => \&myurlto);
-       $origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
-       inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);
+       if (! %origsubs) {
+               $origsubs{'bestlink'}=\&IkiWiki::bestlink;
+               inject(name => "IkiWiki::bestlink", call => \&mybestlink);
+               $origsubs{'beautify_urlpath'}=\&IkiWiki::beautify_urlpath;
+               inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
+               $origsubs{'targetpage'}=\&IkiWiki::targetpage;
+               inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
+               $origsubs{'urlto'}=\&IkiWiki::urlto;
+               inject(name => "IkiWiki::urlto", call => \&myurlto);
+               $origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
+               inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);
+               $origsubs{'rootpage'}=\&IkiWiki::rootpage;
+               inject(name => "IkiWiki::rootpage", call => \&myrootpage);
+               $origsubs{'isselflink'}=\&IkiWiki::isselflink;
+               inject(name => "IkiWiki::isselflink", call => \&myisselflink);
+       }

 }
 
 
 }
 
 


@@ -77,33 +91,31 @@ sub import {
 sub getsetup () {
        return
                plugin => {
 sub getsetup () {
        return
                plugin => {

-                       safe => 0,
-                       rebuild => 1,
+                       safe => 1,
+                       rebuild => 1, # format plugin
+                       section => "format",

                },
                po_master_language => {
                        type => "string",
                },
                po_master_language => {
                        type => "string",

-                       example => {
-                               'code' => 'en',
-                               'name' => 'English'
-                       },
+                       example => "en|English",

                        description => "master language (non-PO files)",
                        safe => 1,
                        rebuild => 1,
                },
                po_slave_languages => {
                        type => "string",
                        description => "master language (non-PO files)",
                        safe => 1,
                        rebuild => 1,
                },
                po_slave_languages => {
                        type => "string",

-                       example => {
-                               'fr' => 'Français',
-                               'es' => 'Castellano',
-                               'de' => 'Deutsch'
-                       },
-                       description => "slave languages (PO files)",
+                       example => [
+                               'fr|Français',
+                               'es|Español',
+                               'de|Deutsch'
+                       ],
+                       description => "slave languages (translated via PO files) format: ll|Langname",

                        safe => 1,
                        rebuild => 1,
                },
                po_translatable_pages => {
                        type => "pagespec",
                        safe => 1,
                        rebuild => 1,
                },
                po_translatable_pages => {
                        type => "pagespec",

-                       example => "!*/Discussion",
+                       example => "* and !*/Discussion",

                        description => "PageSpec controlling which pages are translatable",
                        link => "ikiwiki/PageSpec",
                        safe => 1,
                        description => "PageSpec controlling which pages are translatable",
                        link => "ikiwiki/PageSpec",
                        safe => 1,


@@ -119,20 +131,50 @@ sub getsetup () {
 }
 
 sub checkconfig () {
 }
 
 sub checkconfig () {

-       foreach my $field (qw{po_master_language po_slave_languages}) {
-               if (! exists $config{$field} || ! defined $config{$field}) {
-                       error(sprintf(gettext("Must specify %s when using the %s plugin"),
-                                     $field, 'po'));
+       if (exists $config{po_master_language}) {
+               if (! ref $config{po_master_language}) {
+                       ($master_language_code, $master_language_name)=
+                               splitlangpair($config{po_master_language});
+               }
+               else {
+                       $master_language_code=$config{po_master_language}{code};
+                       $master_language_name=$config{po_master_language}{name};
+                       $config{po_master_language}=joinlangpair($master_language_code, $master_language_name);
+               }
+       }
+       if (! defined $master_language_code) {
+               $master_language_code='en';
+       }
+       if (! defined $master_language_name) {
+               $master_language_name='English';
+       }
+
+       if (ref $config{po_slave_languages} eq 'ARRAY') {
+               foreach my $pair (@{$config{po_slave_languages}}) {
+                       my ($code, $name)=splitlangpair($pair);
+                       if (defined $code && ! exists $slavelanguages{$code}) {
+                               push @slavelanguages, $code;
+                               $slavelanguages{$code} = $name;
+                       }

                }
        }
                }
        }

-       if (! (keys %{$config{po_slave_languages}})) {
-               error(gettext("At least one slave language must be defined ".
-                             "in po_slave_languages when using the po plugin"));
+       elsif (ref $config{po_slave_languages} eq 'HASH') {
+               %slavelanguages=%{$config{po_slave_languages}};
+               @slavelanguages = sort {
+                       $config{po_slave_languages}->{$a} cmp $config{po_slave_languages}->{$b};
+               } keys %slavelanguages;
+               $config{po_slave_languages}=[
+                       map { joinlangpair($_, $slavelanguages{$_}) } @slavelanguages
+               ]

        }
        }

+
+       delete $slavelanguages{$master_language_code};
+

        map {
                islanguagecode($_)
                        or error(sprintf(gettext("%s is not a valid language code"), $_));
        map {
                islanguagecode($_)
                        or error(sprintf(gettext("%s is not a valid language code"), $_));

-       } ($config{po_master_language}{code}, keys %{$config{po_slave_languages}});
+       } ($master_language_code, @slavelanguages);
+

        if (! exists $config{po_translatable_pages} ||
            ! defined $config{po_translatable_pages}) {
                $config{po_translatable_pages}="";
        if (! exists $config{po_translatable_pages} ||
            ! defined $config{po_translatable_pages}) {
                $config{po_translatable_pages}="";


@@ -150,7 +192,28 @@ sub checkconfig () {
                warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
                $config{po_link_to}='default';
        }
                warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
                $config{po_link_to}='default';
        }

+

        push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
        push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;

+
+       # Translated versions of the underlays are added if available.
+       foreach my $underlay ("basewiki",
+                             map { m/^\Q$config{underlaydirbase}\E\/*(.*)/ }
+                                 reverse @{$config{underlaydirs}}) {
+               next if $underlay=~/^locale\//;
+
+               # Underlays containing the po files for slave languages.
+               foreach my $ll (@slavelanguages) {
+                       add_underlay("po/$ll/$underlay")
+                               if -d "$config{underlaydirbase}/po/$ll/$underlay";
+               }
+       
+               if ($master_language_code ne 'en') {
+                       # Add underlay containing translated source files
+                       # for the master language.
+                       add_underlay("locale/$master_language_code/$underlay")
+                               if -d "$config{underlaydirbase}/locale/$master_language_code/$underlay";
+               }
+       }

 }
 
 sub needsbuild () {
 }
 
 sub needsbuild () {


@@ -165,45 +228,67 @@ sub needsbuild () {
 
        # make existing translations depend on the corresponding master page
        foreach my $master (keys %translations) {
 
        # make existing translations depend on the corresponding master page
        foreach my $master (keys %translations) {

-               map add_depends($_, $master), values %{otherlanguages($master)};
+               map add_depends($_, $master), values %{otherlanguages_pages($master)};

        }
        }

+
+       return $needsbuild;

 }
 
 }
 

-# 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};
 sub scan (@) {
        my %params=@_;
        my $page=$params{page};
        my $content=$params{content};

-
-       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;
-                                       }
-                               }
+       my $run_by_po=$params{run_by_po};
+
+       # 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
+
+       # A second scan pass is made over translation pages, so as an
+       # optimization, we only do so on the second pass in this case,
+       # i.e. when this hook is called by itself.
+       if ($run_by_po && istranslation($page)) {
+               # replace the occurence of $destpage in $links{$page}
+               my @orig_links = @{$links{$page}};
+               $links{$page} = [];
+               foreach my $destpage (@orig_links) {
+                       if (istranslatedto($destpage, lang($page))) {
+                               add_link($page, $destpage . '.' . lang($page));
+                       }
+                       else {
+                               add_link($page, $destpage);

                        }
                }
        }
                        }
                }
        }

-       elsif (! istranslatable($page) && ! istranslation($page)) {
+       # No second scan pass is done for a non-translation page, so
+       # links massaging must happen on first pass in this case.
+       elsif (! $run_by_po && ! istranslatable($page) && ! istranslation($page)) {

                foreach my $destpage (@{$links{$page}}) {
                        if (istranslatable($destpage)) {
                                # make sure any destpage's translations has
                                # $page in its backlinks
                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)};
+                               foreach my $link (values %{otherlanguages_pages($destpage)}) {
+                                       add_link($page, $link);
+                               }

                        }
                }
        }
                        }
                }
        }

+
+       # Re-run the preprocess hooks in scan mode, then the scan hooks,
+       # over the po-to-markup converted content
+       return if $run_by_po; # avoid looping endlessly
+       return unless istranslation($page);
+       $content = po_to_markup($page, $content);
+       require IkiWiki;
+       IkiWiki::preprocess($page, $page, $content, 1);
+       IkiWiki::run_hooks(scan => sub {
+               shift->(
+                       page => $page,
+                       content => $content,
+                       run_by_po => 1,
+               );
+       });

 }
 
 # We use filter to convert PO to the master page's format,
 }
 
 # We use filter to convert PO to the master page's format,


@@ -258,20 +343,19 @@ sub pagetemplate (@) {
        }
        if ($template->query(name => "otherlanguages")) {
                $template->param(otherlanguages => [otherlanguagesloop($page)]);
        }
        if ($template->query(name => "otherlanguages")) {
                $template->param(otherlanguages => [otherlanguagesloop($page)]);

-               map add_depends($page, $_), (values %{otherlanguages($page)});
+               map add_depends($page, $_), (values %{otherlanguages_pages($page)});

        }
        if ($config{discussion} && istranslation($page)) {
        }
        if ($config{discussion} && istranslation($page)) {

-               my $discussionlink=gettext("discussion");
-               if ($page !~ /.*\/\Q$discussionlink\E$/i &&
+               if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&

                   (length $config{cgiurl} ||
                   (length $config{cgiurl} ||

-                   exists $links{$masterpage."/".$discussionlink})) {
+                   exists $links{$masterpage."/".lc($config{discussionpage})})) {

                        $template->param('discussionlink' => htmllink(
                                $page,
                                $destpage,
                        $template->param('discussionlink' => htmllink(
                                $page,
                                $destpage,

-                               $masterpage . '/' . gettext("Discussion"),
+                               $masterpage . '/' . $config{discussionpage},

                                noimageinline => 1,
                                forcesubpage => 0,
                                noimageinline => 1,
                                forcesubpage => 0,

-                               linktext => gettext("Discussion"),
+                               linktext => $config{discussionpage},

                ));
                }
        }
                ));
                }
        }


@@ -283,7 +367,10 @@ sub pagetemplate (@) {
            && $masterpage eq "index") {
                $template->param('parentlinks' => []);
        }
            && $masterpage eq "index") {
                $template->param('parentlinks' => []);
        }

-} # }}}
+       if (ishomepage($page) && $template->query(name => "title")) {
+               $template->param(title => $config{wikiname});
+       }
+}

 
 # Add the renamed page translations to the list of to-be-renamed pages.
 sub renamepages (@) {
 
 # Add the renamed page translations to the list of to-be-renamed pages.
 sub renamepages (@) {


@@ -309,12 +396,12 @@ sub renamepages (@) {
        return () unless istranslatable($torename{src});
 
        my @ret;
        return () unless istranslatable($torename{src});
 
        my @ret;

-       my %otherpages=%{otherlanguages($torename{src})};
+       my %otherpages=%{otherlanguages_pages($torename{src})};

        while (my ($lang, $otherpage) = each %otherpages) {
                push @ret, {
                        src => $otherpage,
                        srcfile => $pagesources{$otherpage},
        while (my ($lang, $otherpage) = each %otherpages) {
                push @ret, {
                        src => $otherpage,
                        srcfile => $pagesources{$otherpage},

-                       dest => otherlanguage($torename{dest}, $lang),
+                       dest => otherlanguage_page($torename{dest}, $lang),

                        destfile => $torename{dest}.".".$lang.".po",
                        required => 0,
                };
                        destfile => $torename{dest}.".".$lang.".po",
                        required => 0,
                };


@@ -331,72 +418,41 @@ sub mydelete (@) {
 sub change (@) {
        my @rendered=@_;
 
 sub change (@) {
        my @rendered=@_;
 

-       # All meta titles are first extracted at scan time, i.e. before we turn
-       # PO files back into translated markdown; escaping of double-quotes in
-       # PO files breaks the meta plugin's parsing enough to save ugly titles
-       # to %pagestate at this time.
-       #
-       # Then, at render time, every page passes in turn through the Great
-       # Rendering Chain (filter->preprocess->linkify->htmlize), and the meta
-       # plugin's preprocess hook is this time in a position to correctly
-       # extract the titles from slave pages.
-       #
-       # This is, unfortunately, too late: if the page A, linking to the page
-       # B, is rendered before B, it will display the wrongly-extracted meta
-       # title as the link text to B.
-       #
-       # On the one hand, such a corner case only happens on rebuild: on
-       # refresh, every rendered page is fixed to contain correct meta titles.
-       # On the other hand, it can take some time to get every page fixed.
-       # We therefore re-render every rendered page after a rebuild to fix them
-       # at once. As this more or less doubles the time needed to rebuild the
-       # wiki, we do so only when really needed.
-
-       if (@rendered
-           && exists $config{rebuild} && defined $config{rebuild} && $config{rebuild}
-           && UNIVERSAL::can("IkiWiki::Plugin::meta", "getsetup")
-           && exists $config{meta_overrides_page_title}
-           && defined $config{meta_overrides_page_title}
-           && $config{meta_overrides_page_title}) {
-               debug(sprintf(gettext("re-rendering all pages to fix meta titles")));
-               resetalreadyfiltered();
-               require IkiWiki::Render;
-               foreach my $file (@rendered) {
-                       debug(sprintf(gettext("rendering %s"), $file));
-                       IkiWiki::render($file);
-               }
-       }
-

        my $updated_po_files=0;
 
        # Refresh/create POT and PO files as needed.
        foreach my $file (grep {istranslatablefile($_)} @rendered) {
        my $updated_po_files=0;
 
        # Refresh/create POT and PO files as needed.
        foreach my $file (grep {istranslatablefile($_)} @rendered) {

-               my $page=pagename($file);

                my $masterfile=srcfile($file);
                my $masterfile=srcfile($file);

+               my $page=pagename($file);

                my $updated_pot_file=0;
                my $updated_pot_file=0;

-               # Only refresh Pot file if it does not exist, or if
-               # $pagesources{$page} was changed: don't if only the HTML was
+
+               # Avoid touching underlay files.
+               next if $masterfile ne "$config{srcdir}/$file";
+
+               # Only refresh POT file if it does not exist, or if
+               # the source was changed: don't if only the HTML was

                # refreshed, e.g. because of a dependency.
                # refreshed, e.g. because of a dependency.

-               if ((grep { $_ eq $pagesources{$page} } @origneedsbuild)
-                   || ! -e potfile($masterfile)) {
+               if ((grep { $_ eq $pagesources{$page} } @origneedsbuild) ||
+                   ! -e potfile($masterfile)) {

                        refreshpot($masterfile);
                        $updated_pot_file=1;
                }
                my @pofiles;
                        refreshpot($masterfile);
                        $updated_pot_file=1;
                }
                my @pofiles;

-               map {
-                       push @pofiles, $_ if ($updated_pot_file || ! -e $_);
-               } (pofiles($masterfile));
+               foreach my $po (pofiles($masterfile)) {
+                       next if ! $updated_pot_file && -e $po;
+                       next if grep { $po=~/\Q$_\E/ } @{$config{underlaydirs}};
+                       push @pofiles, $po;
+               }

                if (@pofiles) {
                        refreshpofiles($masterfile, @pofiles);
                if (@pofiles) {
                        refreshpofiles($masterfile, @pofiles);

-                       map { IkiWiki::rcs_add($_) } @pofiles if $config{rcs};
+                       map { s/^\Q$config{srcdir}\E\/*//; IkiWiki::rcs_add($_) } @pofiles if $config{rcs};

                        $updated_po_files=1;
                }
        }
 
        if ($updated_po_files) {
                commit_and_refresh(
                        $updated_po_files=1;
                }
        }
 
        if ($updated_po_files) {
                commit_and_refresh(

-                       gettext("updated PO files"),
-                       "IkiWiki::Plugin::po::change");
+                       gettext("updated PO files"));

        }
 }
 
        }
 }
 


@@ -419,8 +475,8 @@ sub canremove (@) {
        my %params = @_;
 
        if (istranslation($params{page})) {
        my %params = @_;
 
        if (istranslation($params{page})) {

-               return gettext("Can not remove a translation. Removing the master page, ".
-                              "though, removes its translations as well.");
+               return gettext("Can not remove a translation. If the master page is removed, ".
+                              "however, its translations will be removed as well.");

        }
        return undef;
 }
        }
        return undef;
 }


@@ -439,8 +495,8 @@ sub canrename (@) {
                # saved early in the renaming process.
                my $orig_torename = $session->param("po_orig_torename");
                unless (grep { $_ eq $masterpage } @{$orig_torename}) {
                # saved early in the renaming process.
                my $orig_torename = $session->param("po_orig_torename");
                unless (grep { $_ eq $masterpage } @{$orig_torename}) {

-                       return gettext("Can not rename a translation. Renaming the master page, ".
-                                      "though, renames its translations as well.");
+                       return gettext("Can not rename a translation. If the master page is renamed, ".
+                                      "however, its translations will be renamed as well.");

                }
        }
        return undef;
                }
        }
        return undef;


@@ -465,7 +521,7 @@ sub formbuilder_setup (@) {
        if ($form->field("do") eq "create") {
                # Warn the user: new pages must be written in master language.
                my $template=template("pocreatepage.tmpl");
        if ($form->field("do") eq "create") {
                # Warn the user: new pages must be written in master language.
                my $template=template("pocreatepage.tmpl");

-               $template->param(LANG => $config{po_master_language}{name});
+               $template->param(LANG => $master_language_name);

                $form->tmpl_param(message => $template->output);
        }
        elsif ($form->field("do") eq "edit") {
                $form->tmpl_param(message => $template->output);
        }
        elsif ($form->field("do") eq "edit") {


@@ -501,12 +557,25 @@ sub formbuilder (@) {
        # This cannot be done in the formbuilder_setup hook as the list of types is
        # computed later.
        if ($form->field("do") eq "create") {
        # This cannot be done in the formbuilder_setup hook as the list of types is
        # computed later.
        if ($form->field("do") eq "create") {

-               foreach my $field ($form->field) {
+               foreach my $field ($form->field) {

                        next unless "$field" eq "type";
                        next unless "$field" eq "type";

-                       if ($field->type eq 'select') {
-                               # remove po from the list of types
-                               my @types = grep { $_ ne 'po' } $field->options;
-                               $field->options(\@types) if @types;
+                       next unless $field->type eq 'select';
+                       my $orig_value = $field->value;
+                       # remove po from the list of types
+                       my @types = grep { $_->[0] ne 'po' } $field->options;
+                       $field->options(\@types) if @types;
+                       # favor the type of linking page's masterpage
+                       if ($orig_value eq 'po') {
+                               my ($from, $type);
+                               if (defined $form->field('from')) {
+                                       ($from)=$form->field('from')=~/$config{wiki_file_regexp}/;
+                                       $from = masterpage($from);
+                               }
+                               if (defined $from && exists $pagesources{$from}) {
+                                       $type=pagetype($pagesources{$from});
+                               }
+                               $type=$config{default_pageext} unless defined $type;
+                               $field->value($type) ;

                        }
                }
        }
                        }
                }
        }


@@ -521,11 +590,16 @@ sub mybestlink ($$) {
        my $page=shift;
        my $link=shift;
 
        my $page=shift;
        my $link=shift;
 

+       return $origsubs{'bestlink'}->($page, $link)
+               if defined $config{po_link_to} && $config{po_link_to} eq "default";
+

        my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
        my $res=$origsubs{'bestlink'}->(masterpage($page), $link);

+       my @caller = caller(1);

        if (length $res
        if (length $res

-           && ($config{po_link_to} eq "current" || $config{po_link_to} eq "negotiated")
-           && istranslatable($res)
-           && istranslation($page)) {
+           && istranslatedto($res, lang($page))
+           && istranslation($page)
+           &&  !(exists $caller[3] && defined $caller[3]
+                 && ($caller[3] eq "IkiWiki::PageSpec::match_link"))) {

                return $res . "." . lang($page);
        }
        return $res;
                return $res . "." . lang($page);
        }
        return $res;


@@ -535,12 +609,12 @@ sub mybeautify_urlpath ($) {
        my $url=shift;
 
        my $res=$origsubs{'beautify_urlpath'}->($url);
        my $url=shift;
 
        my $res=$origsubs{'beautify_urlpath'}->($url);

-       if ($config{po_link_to} eq "negotiated") {
-               $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!;
+       if (defined $config{po_link_to} && $config{po_link_to} eq "negotiated") {
+               $res =~ s!/\Qindex.$master_language_code.$config{htmlext}\E$!/!;

                $res =~ s!/\Qindex.$config{htmlext}\E$!/!;
                map {
                        $res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!;
                $res =~ s!/\Qindex.$config{htmlext}\E$!/!;
                map {
                        $res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!;

-               } (keys %{$config{po_slave_languages}});
+               } @slavelanguages;

        }
        return $res;
 }
        }
        return $res;
 }


@@ -576,17 +650,21 @@ sub myurlto ($$;$) {
        # so that one is redirected to the just-edited page rather than to the
        # negociated translation; to prevent unnecessary fiddling with caller/inject,
        # we only do so when our beautify_urlpath would actually do what we want to
        # so that one is redirected to the just-edited page rather than to the
        # negociated translation; to prevent unnecessary fiddling with caller/inject,
        # we only do so when our beautify_urlpath would actually do what we want to

-       # avoid, i.e. when po_link_to = negotiated
+       # avoid, i.e. when po_link_to = negotiated.
+       # also avoid doing so when run by cgi_goto, so that the links on recentchanges
+       # page actually lead to the exact page they pretend to.

        if ($config{po_link_to} eq "negotiated") {
                my @caller = caller(1);
        if ($config{po_link_to} eq "negotiated") {
                my @caller = caller(1);

-               my $run_by_editpage = 0;
-               $run_by_editpage = 1 if (exists $caller[3] && defined $caller[3]
-                                        && $caller[3] eq "IkiWiki::cgi_editpage");
+               my $use_orig = 0;
+               $use_orig = 1 if (exists $caller[3] && defined $caller[3]
+                                && ($caller[3] eq "IkiWiki::cgi_editpage" ||
+                                    $caller[3] eq "IkiWiki::Plugin::goto::cgi_goto")
+                                );

                inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'})
                inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'})

-                       if $run_by_editpage;
+                       if $use_orig;

                my $res = $origsubs{'urlto'}->($to,$from,$absolute);
                inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath)
                my $res = $origsubs{'urlto'}->($to,$from,$absolute);
                inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath)

-                       if $run_by_editpage;
+                       if $use_orig;

                return $res;
        }
        else {
                return $res;
        }
        else {


@@ -604,6 +682,33 @@ sub mycgiurl (@) {
        return $origsubs{'cgiurl'}->(%params);
 }
 
        return $origsubs{'cgiurl'}->(%params);
 }
 

+sub myrootpage (@) {
+       my %params=@_;
+
+       my $rootpage;
+       if (exists $params{rootpage}) {
+               $rootpage=$origsubs{'bestlink'}->($params{page}, $params{rootpage});
+               if (!length $rootpage) {
+                       $rootpage=$params{rootpage};
+               }
+       }
+       else {
+               $rootpage=masterpage($params{page});
+       }
+       return $rootpage;
+}
+
+sub myisselflink ($$) {
+       my $page=shift;
+       my $link=shift;
+
+       return 1 if $origsubs{'isselflink'}->($page, $link);
+       if (istranslation($page)) {
+               return $origsubs{'isselflink'}->(masterpage($page), $link);
+       }
+       return;
+}
+

 # ,----
 # | Blackboxes for private data
 # `----
 # ,----
 # | Blackboxes for private data
 # `----


@@ -656,9 +761,10 @@ sub istranslatablefile ($) {
        my $file=shift;
 
        return 0 unless defined $file;
        my $file=shift;
 
        return 0 unless defined $file;

-       return 0 if defined pagetype($file) && pagetype($file) eq 'po';
+       my $type=pagetype($file);
+       return 0 if ! defined $type || $type eq 'po';

        return 0 if $file =~ /\.pot$/;
        return 0 if $file =~ /\.pot$/;

-       return 0 unless -e "$config{srcdir}/$file"; # underlay dirs may be read-only
+       return 0 if ! defined $config{po_translatable_pages};

        return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
        return;
 }
        return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
        return;
 }


@@ -671,6 +777,15 @@ sub istranslatable ($) {
        return;
 }
 
        return;
 }
 

+sub istranslatedto ($$) {
+       my $page=shift;
+       my $destlang = shift;
+
+       $page=~s#^/##;
+       return 0 unless istranslatable($page);
+       exists $pagesources{otherlanguage_page($page, $destlang)};
+}
+

 sub _istranslation ($) {
        my $page=shift;
 
 sub _istranslation ($) {
        my $page=shift;
 


@@ -686,7 +801,7 @@ sub _istranslation ($) {
        return 0 unless defined $masterpage && defined $lang
                         && length $masterpage && length $lang
                         && defined $pagesources{$masterpage}
        return 0 unless defined $masterpage && defined $lang
                         && length $masterpage && length $lang
                         && defined $pagesources{$masterpage}

-                        && defined $config{po_slave_languages}{$lang};
+                        && defined $slavelanguages{$lang};

 
        return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang)
                if istranslatable($masterpage);
 
        return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang)
                if istranslatable($masterpage);


@@ -718,7 +833,7 @@ sub lang ($) {
        if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
                return $lang;
        }
        if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
                return $lang;
        }

-       return $config{po_master_language}{code};
+       return $master_language_code;

 }
 
 sub islanguagecode ($) {
 }
 
 sub islanguagecode ($) {


@@ -727,25 +842,42 @@ sub islanguagecode ($) {
        return $code =~ /^[a-z]{2}$/;
 }
 
        return $code =~ /^[a-z]{2}$/;
 }
 

-sub otherlanguage ($$) {
+sub otherlanguage_page ($$) {

        my $page=shift;
        my $code=shift;
 
        my $page=shift;
        my $code=shift;
 

-       return masterpage($page) if $code eq $config{po_master_language}{code};
+       return masterpage($page) if $code eq $master_language_code;

        return masterpage($page) . '.' . $code;
 }
 
        return masterpage($page) . '.' . $code;
 }
 

-sub otherlanguages ($) {
+# Returns the list of other languages codes: the master language comes first,
+# then the codes are ordered the same way as in po_slave_languages, if it is
+# an array, or in the language name lexical order, if it is a hash.
+sub otherlanguages_codes ($) {

        my $page=shift;
 
        my $page=shift;
 

-       my %ret;
-       return \%ret unless istranslation($page) || istranslatable($page);
+       my @ret;
+       return \@ret unless istranslation($page) || istranslatable($page);

        my $curlang=lang($page);
        foreach my $lang
        my $curlang=lang($page);
        foreach my $lang

-               ($config{po_master_language}{code}, keys %{$config{po_slave_languages}}) {
+               ($master_language_code, @slavelanguages) {

                next if $lang eq $curlang;
                next if $lang eq $curlang;

-               $ret{$lang}=otherlanguage($page, $lang);
+               if ($lang eq $master_language_code ||
+                   istranslatedto(masterpage($page), $lang)) {
+                       push @ret, $lang;
+               }

        }
        }

+       return \@ret;
+}
+
+sub otherlanguages_pages ($) {
+       my $page=shift;
+
+       my %ret;
+       map {
+               $ret{$_} = otherlanguage_page($page, $_)
+       } @{otherlanguages_codes($page)};
+

        return \%ret;
 }
 
        return \%ret;
 }
 


@@ -769,25 +901,25 @@ sub pofile ($$) {
 sub pofiles ($) {
        my $masterfile=shift;
 
 sub pofiles ($) {
        my $masterfile=shift;
 

-       return map pofile($masterfile, $_), (keys %{$config{po_slave_languages}});
+       return map pofile($masterfile, $_), @slavelanguages;

 }
 
 sub refreshpot ($) {
        my $masterfile=shift;
 
        my $potfile=potfile($masterfile);
 }
 
 sub refreshpot ($) {
        my $masterfile=shift;
 
        my $potfile=potfile($masterfile);

-       my %options = ("markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0);
-       my $doc=Locale::Po4a::Chooser::new('text',%options);
+       my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
+                                          po4a_options($masterfile));

        $doc->{TT}{utf_mode} = 1;
        $doc->{TT}{utf_mode} = 1;

-       $doc->{TT}{file_in_charset} = 'utf-8';
-       $doc->{TT}{file_out_charset} = 'utf-8';
+       $doc->{TT}{file_in_charset} = 'UTF-8';
+       $doc->{TT}{file_out_charset} = 'UTF-8';

        $doc->read($masterfile);
        # let's cheat a bit to force porefs option to be passed to
        # Locale::Po4a::Po; this is undocument use of internal
        # Locale::Po4a::TransTractor's data, compulsory since this module
        # prevents us from using the porefs option.
        $doc->{TT}{po_out}=Locale::Po4a::Po->new({ 'porefs' => 'none' });
        $doc->read($masterfile);
        # let's cheat a bit to force porefs option to be passed to
        # Locale::Po4a::Po; this is undocument use of internal
        # Locale::Po4a::TransTractor's data, compulsory since this module
        # prevents us from using the porefs option.
        $doc->{TT}{po_out}=Locale::Po4a::Po->new({ 'porefs' => 'none' });

-       $doc->{TT}{po_out}->set_charset('utf-8');
+       $doc->{TT}{po_out}->set_charset('UTF-8');

        # do the actual work
        $doc->parse;
        IkiWiki::prep_writefile(basename($potfile),dirname($potfile));
        # do the actual work
        $doc->parse;
        IkiWiki::prep_writefile(basename($potfile),dirname($potfile));


@@ -805,8 +937,23 @@ sub refreshpofiles ($@) {
 
        foreach my $pofile (@pofiles) {
                IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
 
        foreach my $pofile (@pofiles) {
                IkiWiki::prep_writefile(basename($pofile),dirname($pofile));

+
+               if (! -e $pofile) {
+                       # If the po file exists in an underlay, copy it
+                       # from there.
+                       my ($pobase)=$pofile=~/^\Q$config{srcdir}\E\/?(.*)$/;
+                       foreach my $dir (@{$config{underlaydirs}}) {
+                               if (-e "$dir/$pobase") {
+                                       File::Copy::syscopy("$dir/$pobase",$pofile)
+                                               or error("po(refreshpofiles) ".
+                                                        sprintf(gettext("failed to copy underlay PO file to %s"),
+                                                                $pofile));
+                               }
+                       }
+               }
+

                if (-e $pofile) {
                if (-e $pofile) {

-                       system("msgmerge", "-U", "--backup=none", $pofile, $potfile) == 0
+                       system("msgmerge", "--previous", "-q", "-U", "--backup=none", $pofile, $potfile) == 0

                                or error("po(refreshpofiles) ".
                                         sprintf(gettext("failed to update %s"),
                                                 $pofile));
                                or error("po(refreshpofiles) ".
                                         sprintf(gettext("failed to update %s"),
                                                 $pofile));


@@ -853,15 +1000,13 @@ sub percenttranslated ($) {
        return gettext("N/A") unless istranslation($page);
        my $file=srcfile($pagesources{$page});
        my $masterfile = srcfile($pagesources{masterpage($page)});
        return gettext("N/A") unless istranslation($page);
        my $file=srcfile($pagesources{$page});
        my $masterfile = srcfile($pagesources{masterpage($page)});

-       my %options = (
-               "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
-       );
-       my $doc=Locale::Po4a::Chooser::new('text',%options);
+       my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
+                                          po4a_options($masterfile));

        $doc->process(
                'po_in_name'    => [ $file ],
                'file_in_name'  => [ $masterfile ],
        $doc->process(
                'po_in_name'    => [ $file ],
                'file_in_name'  => [ $masterfile ],

-               'file_in_charset'  => 'utf-8',
-               'file_out_charset' => 'utf-8',
+               'file_in_charset'  => 'UTF-8',
+               'file_out_charset' => 'UTF-8',

        ) or error("po(percenttranslated) ".
                   sprintf(gettext("failed to translate %s"), $page));
        my ($percent,$hit,$queries) = $doc->stats();
        ) or error("po(percenttranslated) ".
                   sprintf(gettext("failed to translate %s"), $page));
        my ($percent,$hit,$queries) = $doc->stats();


@@ -872,10 +1017,10 @@ sub percenttranslated ($) {
 sub languagename ($) {
        my $code=shift;
 
 sub languagename ($) {
        my $code=shift;
 

-       return $config{po_master_language}{name}
-               if $code eq $config{po_master_language}{code};
-       return $config{po_slave_languages}{$code}
-               if defined $config{po_slave_languages}{$code};
+       return $master_language_name
+               if $code eq $master_language_code;
+       return $slavelanguages{$code}
+               if defined $slavelanguages{$code};

        return;
 }
 
        return;
 }
 


@@ -883,30 +1028,25 @@ sub otherlanguagesloop ($) {
        my $page=shift;
 
        my @ret;
        my $page=shift;
 
        my @ret;

-       my %otherpages=%{otherlanguages($page)};
-       while (my ($lang, $otherpage) = each %otherpages) {
-               if (istranslation($page) && masterpage($page) eq $otherpage) {
-                       push @ret, {
-                               url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
-                               code => $lang,
-                               language => languagename($lang),
-                               master => 1,
-                       };
-               }
-               else {
-                       push @ret, {
-                               url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
-                               code => $lang,
-                               language => languagename($lang),
-                               percent => percenttranslated($otherpage),
-                       }
+       if (istranslation($page)) {
+               push @ret, {
+                       url => urlto_with_orig_beautiful_urlpath(masterpage($page), $page),
+                       code => $master_language_code,
+                       language => $master_language_name,
+                       master => 1,
+               };
+       }
+       foreach my $lang (@{otherlanguages_codes($page)}) {
+               next if $lang eq $master_language_code;
+               my $otherpage = otherlanguage_page($page, $lang);
+               push @ret, {
+                       url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
+                       code => $lang,
+                       language => languagename($lang),
+                       percent => percenttranslated($otherpage),

                }
        }
                }
        }

-       return sort {
-                       return -1 if $a->{code} eq $config{po_master_language}{code};
-                       return 1 if $b->{code} eq $config{po_master_language}{code};
-                       return $a->{language} cmp $b->{language};
-               } @ret;
+       return @ret;

 }
 
 sub homepageurl (;$) {
 }
 
 sub homepageurl (;$) {


@@ -915,6 +1055,14 @@ sub homepageurl (;$) {
        return urlto('', $page);
 }
 
        return urlto('', $page);
 }
 

+sub ishomepage ($) {
+       my $page = shift;
+
+       return 1 if $page eq 'index';
+       map { return 1 if $page eq 'index.'.$_ } @slavelanguages;
+       return undef;
+}
+

 sub deletetranslations ($) {
        my $deletedmasterfile=shift;
 
 sub deletetranslations ($) {
        my $deletedmasterfile=shift;
 


@@ -926,7 +1074,7 @@ sub deletetranslations ($) {
                if (-e $absfile && ! -l $absfile && ! -d $absfile) {
                        push @todelete, $file;
                }
                if (-e $absfile && ! -l $absfile && ! -d $absfile) {
                        push @todelete, $file;
                }

-       } keys %{$config{po_slave_languages}};
+       } @slavelanguages;

 
        map {
                if ($config{rcs}) {
 
        map {
                if ($config{rcs}) {


@@ -939,17 +1087,18 @@ sub deletetranslations ($) {
 
        if (@todelete) {
                commit_and_refresh(
 
        if (@todelete) {
                commit_and_refresh(

-                       gettext("removed obsolete PO files"),
-                       "IkiWiki::Plugin::po::deletetranslations");
+                       gettext("removed obsolete PO files"));

        }
 }
 
        }
 }
 

-sub commit_and_refresh ($$) {
-       my ($msg, $author) = (shift, shift);
+sub commit_and_refresh ($) {
+       my $msg = shift;

 
        if ($config{rcs}) {
                IkiWiki::disable_commit_hook();
 
        if ($config{rcs}) {
                IkiWiki::disable_commit_hook();

-               IkiWiki::rcs_commit_staged($msg, $author, "127.0.0.1");
+               IkiWiki::rcs_commit_staged(
+                       message => $msg,
+               );

                IkiWiki::enable_commit_hook();
                IkiWiki::rcs_update();
        }
                IkiWiki::enable_commit_hook();
                IkiWiki::rcs_update();
        }


@@ -967,11 +1116,8 @@ sub commit_and_refresh ($$) {
        IkiWiki::saveindex();
 }
 
        IkiWiki::saveindex();
 }
 

-# on success, returns the filtered content.
-# on error, if $nonfatal, warn and return undef; else, error out.
-sub po_to_markup ($$;$) {
+sub po_to_markup ($$) {

        my ($page, $content) = (shift, shift);
        my ($page, $content) = (shift, shift);

-       my $nonfatal = shift;

 
        $content = '' unless defined $content;
        $content = decode_utf8(encode_utf8($content));
 
        $content = '' unless defined $content;
        $content = decode_utf8(encode_utf8($content));


@@ -994,10 +1140,6 @@ sub po_to_markup ($$;$) {
 
        my $fail = sub ($) {
                my $msg = "po(po_to_markup) - $page : " . shift;
 
        my $fail = sub ($) {
                my $msg = "po(po_to_markup) - $page : " . shift;

-               if ($nonfatal) {
-                       warn $msg;
-                       return undef;
-               }

                error($msg, sub { unlink $infile, $outfile});
        };
 
                error($msg, sub { unlink $infile, $outfile});
        };
 


@@ -1005,21 +1147,18 @@ sub po_to_markup ($$;$) {
                or return $fail->(sprintf(gettext("failed to write %s"), $infile));
 
        my $masterfile = srcfile($pagesources{masterpage($page)});
                or return $fail->(sprintf(gettext("failed to write %s"), $infile));
 
        my $masterfile = srcfile($pagesources{masterpage($page)});

-       my %options = (
-               "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
-       );
-       my $doc=Locale::Po4a::Chooser::new('text',%options);
+       my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
+                                          po4a_options($masterfile));

        $doc->process(
                'po_in_name'    => [ $infile ],
                'file_in_name'  => [ $masterfile ],
        $doc->process(
                'po_in_name'    => [ $infile ],
                'file_in_name'  => [ $masterfile ],

-               'file_in_charset'  => 'utf-8',
-               'file_out_charset' => 'utf-8',
+               'file_in_charset'  => 'UTF-8',
+               'file_out_charset' => 'UTF-8',

        ) or return $fail->(gettext("failed to translate"));
        $doc->write($outfile)
                or return $fail->(sprintf(gettext("failed to write %s"), $outfile));
 
        ) or return $fail->(gettext("failed to translate"));
        $doc->write($outfile)
                or return $fail->(sprintf(gettext("failed to write %s"), $outfile));
 

-       $content = readfile($outfile)
-               or return $fail->(sprintf(gettext("failed to read %s"), $outfile));
+       $content = readfile($outfile);

 
        # Unlinking should happen automatically, thanks to File::Temp,
        # but it does not work here, probably because of the way writefile()
 
        # Unlinking should happen automatically, thanks to File::Temp,
        # but it does not work here, probably because of the way writefile()


@@ -1066,10 +1205,62 @@ sub isvalidpo ($) {
        unlink $infile;
 
        if ($res) {
        unlink $infile;
 
        if ($res) {

-           return IkiWiki::SuccessReason->new("valid gettext data");
+               return IkiWiki::SuccessReason->new("valid gettext data");

        }
        }

-       return IkiWiki::FailReason->new("invalid gettext data, go back ".
-                                       "to previous page to go on with edit");
+       return IkiWiki::FailReason->new(gettext("invalid gettext data, go back ".
+                                       "to previous page to continue edit"));
+}
+
+sub po4a_type ($) {
+       my $file = shift;
+
+       my $pagetype = pagetype($file);
+       if ($pagetype eq 'html') {
+               return 'xhtml';
+       }
+       return 'text';
+}
+
+sub po4a_options($) {
+       my $file = shift;
+
+       my %options;
+       my $pagetype = pagetype($file);
+
+       if ($pagetype eq 'html') {
+               # how to disable options is not consistent across po4a modules
+               $options{includessi} = '';
+               $options{includeexternal} = 0;
+       }
+       elsif ($pagetype eq 'mdwn') {
+               $options{markdown} = 1;
+       }
+       else {
+               $options{markdown} = 0;
+       }
+
+       return %options;
+}
+
+sub splitlangpair ($) {
+       my $pair=shift;
+
+       my ($code, $name) = ( $pair =~ /^([a-z]{2})\|(.+)$/ );
+       if (! defined $code || ! defined $name ||
+           ! length $code || ! length $name) {
+               # not a fatal error to avoid breaking if used with web setup
+               warn sprintf(gettext("%s has invalid syntax: must use CODE|NAME"),
+                       $pair);
+       }
+
+       return $code, $name;
+}
+
+sub joinlangpair ($$) {
+       my $code=shift;
+       my $name=shift;
+
+       return "$code|$name";

 }
 
 # ,----
 }
 
 # ,----


@@ -1132,4 +1323,32 @@ sub match_currentlang ($$;@) {
        }
 }
 
        }
 }
 

+sub match_needstranslation ($$;@) {
+       my $page=shift;
+       my $wanted=shift;
+
+       if (defined $wanted && $wanted ne "") {
+               if ($wanted !~ /^\d+$/) {
+                       return IkiWiki::FailReason->new("parameter is not an integer");
+               }
+               elsif ($wanted > 100) {
+                       return IkiWiki::FailReason->new("parameter is greater than 100");
+               }
+       }
+       else {
+               $wanted=100;
+       }
+
+       my $percenttranslated=IkiWiki::Plugin::po::percenttranslated($page);
+       if ($percenttranslated eq 'N/A') {
+               return IkiWiki::FailReason->new("file is not a translatable page");
+       }
+       elsif ($percenttranslated < $wanted) {
+               return IkiWiki::SuccessReason->new("file has $percenttranslated translated");
+       }
+       else {
+               return IkiWiki::FailReason->new("file is translated enough");
+       }
+}
+

 1
 1