]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/po.pm
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[git.ikiwiki.info.git] / IkiWiki / Plugin / po.pm
index a2010e1bebcd1b00d19db09f7d0f90a25320fd82..a79e7d7f0ee56f579ff4e261cd97028533de3099 100644 (file)
@@ -25,10 +25,12 @@ use File::Temp;
 use Memoize;
 use UNIVERSAL;
 
+my ($master_language_code, $master_language_name);
 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");
@@ -39,7 +41,6 @@ sub import {
        hook(type => "checkconfig", id => "po", call => \&checkconfig);
        hook(type => "needsbuild", id => "po", call => \&needsbuild);
        hook(type => "scan", id => "po", call => \&scan, last => 1);
-       hook(type => "rescan", id => "po", call => \&rescan);
        hook(type => "filter", id => "po", call => \&filter);
        hook(type => "htmlize", id => "po", call => \&htmlize);
        hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
@@ -90,16 +91,13 @@ sub import {
 sub getsetup () {
        return
                plugin => {
-                       safe => 0,
+                       safe => 1,
                        rebuild => 1, # format plugin
                        section => "format",
                },
                po_master_language => {
                        type => "string",
-                       example => {
-                               'code' => 'en',
-                               'name' => 'English'
-                       },
+                       example => "en|English",
                        description => "master language (non-PO files)",
                        safe => 1,
                        rebuild => 1,
@@ -111,7 +109,7 @@ sub getsetup () {
                                'es|EspaƱol',
                                'de|Deutsch'
                        ],
-                       description => "slave languages (PO files)",
+                       description => "slave languages (translated via PO files) format: ll|Langname",
                        safe => 1,
                        rebuild => 1,
                },
@@ -133,39 +131,49 @@ sub getsetup () {
 }
 
 sub checkconfig () {
-       foreach my $field (qw{po_master_language}) {
-               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') {
-               my %slaves;
                foreach my $pair (@{$config{po_slave_languages}}) {
-                       my ($code, $name) = ( $pair =~ /^([a-z]{2})\|(.+)$/ );
-                       if (!defined $code || !defined $name) {
-                               error(sprintf(gettext("%s has invalid syntax: must use CODE|NAME"),
-                                             $pair));
+                       my ($code, $name)=splitlangpair($pair);
+                       if (defined $code && ! exists $slavelanguages{$code}) {
+                               push @slavelanguages, $code;
+                               $slavelanguages{$code} = $name;
                        }
-                       $slaves{$code} = $name;
-                       push @slavelanguages, $code;
-
                }
-               $config{po_slave_languages} = \%slaves;
        }
        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 %{$config{po_slave_languages}};
+               } keys %slavelanguages;
+               $config{po_slave_languages}=[
+                       map { joinlangpair($_, $slavelanguages{$_}) } @slavelanguages
+               ]
        }
 
-       delete $config{po_slave_languages}{$config{po_master_language}{code}};;
+       delete $slavelanguages{$master_language_code};
 
        map {
                islanguagecode($_)
                        or error(sprintf(gettext("%s is not a valid language code"), $_));
-       } ($config{po_master_language}{code}, @slavelanguages);
+       } ($master_language_code, @slavelanguages);
 
        if (! exists $config{po_translatable_pages} ||
            ! defined $config{po_translatable_pages}) {
@@ -199,11 +207,11 @@ sub checkconfig () {
                                if -d "$config{underlaydirbase}/po/$ll/$underlay";
                }
        
-               if ($config{po_master_language}{code} ne 'en') {
+               if ($master_language_code ne 'en') {
                        # Add underlay containing translated source files
                        # for the master language.
-                       add_underlay("locale/$config{po_master_language}{code}/$underlay")
-                               if -d "$config{underlaydirbase}/locale/$config{po_master_language}{code}/$underlay";
+                       add_underlay("locale/$master_language_code/$underlay")
+                               if -d "$config{underlaydirbase}/locale/$master_language_code/$underlay";
                }
        }
 }
@@ -222,40 +230,65 @@ sub needsbuild () {
        foreach my $master (keys %translations) {
                map add_depends($_, $master), values %{otherlanguages_pages($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};
-
-       if (istranslation($page)) {
-               foreach my $destpage (@{$links{$page}}) {
-                       if (istranslatable($destpage)) {
-                               # replace the occurence of $destpage in $links{$page}
-                               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
                                # $page in its backlinks
-                               push @{$links{$page}},
-                                       values %{otherlanguages_pages($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,
@@ -273,26 +306,6 @@ sub filter (@) {
        return $content;
 }
 
-# re-run the scan hooks and run the preprocess ones in scan
-# mode on the po-to-markup converted content
-sub rescan (@) {
-       my %params=@_;
-       my $page=$params{page};
-       my $content=$params{content};
-
-       return unless istranslation($page);
-
-       $content = po_to_markup($page, $content);
-       require IkiWiki;
-       IkiWiki::run_hooks(scan => sub {
-               shift->(
-                       page => $page,
-                       content => $content,
-               );
-       });
-       IkiWiki::preprocess($page, $page, $content, 1);
-}
-
 sub htmlize (@) {
        my %params=@_;
 
@@ -508,7 +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");
-               $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") {
@@ -583,7 +596,7 @@ sub mybestlink ($$) {
        my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
        my @caller = caller(1);
        if (length $res
-           && istranslatable($res)
+           && istranslatedto($res, lang($page))
            && istranslation($page)
            &&  !(exists $caller[3] && defined $caller[3]
                  && ($caller[3] eq "IkiWiki::PageSpec::match_link"))) {
@@ -597,7 +610,7 @@ sub mybeautify_urlpath ($) {
 
        my $res=$origsubs{'beautify_urlpath'}->($url);
        if (defined $config{po_link_to} && $config{po_link_to} eq "negotiated") {
-               $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!;
+               $res =~ s!/\Qindex.$master_language_code.$config{htmlext}\E$!/!;
                $res =~ s!/\Qindex.$config{htmlext}\E$!/!;
                map {
                        $res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!;
@@ -764,6 +777,15 @@ sub istranslatable ($) {
        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;
 
@@ -779,7 +801,7 @@ sub _istranslation ($) {
        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);
@@ -811,7 +833,7 @@ sub lang ($) {
        if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
                return $lang;
        }
-       return $config{po_master_language}{code};
+       return $master_language_code;
 }
 
 sub islanguagecode ($) {
@@ -824,7 +846,7 @@ sub otherlanguage_page ($$) {
        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;
 }
 
@@ -838,9 +860,12 @@ sub otherlanguages_codes ($) {
        return \@ret unless istranslation($page) || istranslatable($page);
        my $curlang=lang($page);
        foreach my $lang
-               ($config{po_master_language}{code}, @slavelanguages) {
+               ($master_language_code, @slavelanguages) {
                next if $lang eq $curlang;
-               push @ret, $lang;
+               if ($lang eq $master_language_code ||
+                   istranslatedto(masterpage($page), $lang)) {
+                       push @ret, $lang;
+               }
        }
        return \@ret;
 }
@@ -992,10 +1017,10 @@ sub percenttranslated ($) {
 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;
 }
 
@@ -1006,13 +1031,13 @@ sub otherlanguagesloop ($) {
        if (istranslation($page)) {
                push @ret, {
                        url => urlto_with_orig_beautiful_urlpath(masterpage($page), $page),
-                       code => $config{po_master_language}{code},
-                       language => $config{po_master_language}{name},
+                       code => $master_language_code,
+                       language => $master_language_name,
                        master => 1,
                };
        }
        foreach my $lang (@{otherlanguages_codes($page)}) {
-               next if $lang eq $config{po_master_language}{code};
+               next if $lang eq $master_language_code;
                my $otherpage = otherlanguage_page($page, $lang);
                push @ret, {
                        url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
@@ -1217,6 +1242,27 @@ sub po4a_options($) {
        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";
+}
+
 # ,----
 # | PageSpecs
 # `----