po(istranslatablefile): extracted this from istranslatable

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

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 739564c6bb01b47a866bb180128c1d04ef8b3d21..f13093963d33e50f2bc3d597646eca1fd665d418 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -23,6 +23,7 @@ my %translations;
 my @origneedsbuild;
 my %origsubs;
 
+memoize("istranslatable");
 memoize("_istranslation");
 memoize("percenttranslated");
 
@@ -149,6 +150,7 @@ sub needsbuild () { #{{{
        # 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
@@ -262,10 +264,14 @@ sub htmlize (@) { #{{{
 
        my $page = $params{page};
        my $content = $params{content};
-       my $masterfile = srcfile($pagesources{masterpage($page)});
+
+       # 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, $page, pagetype($masterfile), $content);
+       return IkiWiki::htmlize($page, $page,
+                               pagetype(srcfile($pagesources{masterpage($page)})),
+                               $content);
 } #}}}
 
 sub pagetemplate (@) { #{{{
@@ -360,8 +366,13 @@ sub change(@) { #{{{
                # Reinitialize module's private variables.
                resetalreadyfiltered();
                resettranslationscache();
+               flushmemoizecache();
                # Trigger a wiki refresh.
                require IkiWiki::Render;
+               # without preliminary saveindex/loadindex, refresh()
+               # complains about a lot of uninitialized variables
+               IkiWiki::saveindex();
+               IkiWiki::loadindex();
                IkiWiki::refresh();
                IkiWiki::saveindex();
        }
@@ -381,14 +392,14 @@ sub editcontent () { #{{{
 # | Injected functions
 # `----
 
-# Implement po_link_to=current
+# Implement po_link_to 'current' and 'negotiated' settings.
 sub mybestlink ($$) { #{{{
        my $page=shift;
        my $link=shift;
 
-       my $res=$origsubs{'bestlink'}->($page, $link);
+       my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
        if (length $res
-           && $config{po_link_to} eq "current"
+           && ($config{po_link_to} eq "current" || $config{po_link_to} eq "negotiated")
            && istranslatable($res)
            && istranslation($page)) {
                return $res . "." . lang($page);
@@ -402,6 +413,10 @@ sub mybeautify_urlpath ($) { #{{{
        my $res=$origsubs{'beautify_urlpath'}->($url);
        if ($config{po_link_to} eq "negotiated") {
                $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!;
+               $res =~ s!/\Qindex.$config{htmlext}\E$!/!;
+               map {
+                       $res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!;
+               } (keys %{$config{po_slave_languages}});
        }
        return $res;
 } #}}}
@@ -478,22 +493,37 @@ sub myurlto ($$;$) { #{{{
 # | Helper functions
 # `----
 
-sub istranslatable ($) { #{{{
-       my $page=shift;
+sub maybe_add_leading_slash ($;$) { #{{{
+       my $str=shift;
+       my $add=shift;
+       $add=1 unless defined $add;
+       return '/' . $str if $add;
+       return $str;
+} #}}}
 
-       my $file=$pagesources{$page};
+sub istranslatablefile ($) { #{{{
+       my $file=shift;
 
        return 0 unless defined $file;
        return 0 if (defined pagetype($file) && pagetype($file) eq 'po');
        return 0 if $file =~ /\.pot$/;
-       return pagespec_match($page, $config{po_translatable_pages});
+       return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
+       return;
+} #}}}
+
+sub istranslatable ($) { #{{{
+       my $page=shift;
+
+       $page=~s#^/##;
+       return 1 if istranslatablefile($pagesources{$page});
+       return;
 } #}}}
 
 sub _istranslation ($) { #{{{
        my $page=shift;
 
+       my $hasleadingslash = ($page=~s#^/##);
        my $file=$pagesources{$page};
-
        return 0 unless (defined $file
                         && defined pagetype($file)
                         && pagetype($file) eq 'po');
@@ -505,15 +535,17 @@ sub _istranslation ($) { #{{{
                         && defined $pagesources{$masterpage}
                         && defined $config{po_slave_languages}{$lang});
 
-       return ($masterpage, $lang) if istranslatable($masterpage);
+       return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang)
+               if istranslatable($masterpage);
 } #}}}
 
 sub istranslation ($) { #{{{
        my $page=shift;
 
        if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
+               my $hasleadingslash = ($masterpage=~s#^/##);
                $translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
-               return ($masterpage, $lang);
+               return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang);
        }
        return;
 } #}}}
@@ -542,20 +574,24 @@ sub islanguagecode ($) { #{{{
        return ($code =~ /^[a-z]{2}$/);
 } #}}}
 
-sub otherlanguages($) { #{{{
+sub otherlanguage ($$) { #{{{
+       my $page=shift;
+       my $code=shift;
+
+       return masterpage($page) if $code eq $config{po_master_language}{code};
+       return masterpage($page) . '.' . $code;
+} #}}}
+
+sub otherlanguages ($) { #{{{
        my $page=shift;
 
        my %ret;
-       if (istranslatable($page)) {
-               %ret = %{$translations{$page}};
-       }
-       elsif (istranslation($page)) {
-               my $masterpage = masterpage($page);
-               $ret{$config{po_master_language}{code}} = $masterpage;
-               foreach my $lang (sort keys %{$translations{$masterpage}}) {
-                       next if $lang eq lang($page);
-                       $ret{$lang} = $translations{$masterpage}{$lang};
-               }
+       return \%ret unless (istranslation($page) || istranslatable($page));
+       my $curlang=lang($page);
+       foreach my $lang
+               ($config{po_master_language}{code}, keys %{$config{po_slave_languages}}) {
+               next if $lang eq $curlang;
+               $ret{$lang}=otherlanguage($page, $lang);
        }
        return \%ret;
 } #}}}
@@ -634,6 +670,12 @@ sub resettranslationscache() { #{{{
        undef %translations;
 } #}}}
 
+sub flushmemoizecache() { #{{{
+       Memoize::flush_cache("istranslatable");
+       Memoize::flush_cache("_istranslation");
+       Memoize::flush_cache("percenttranslated");
+} #}}}
+
 sub urlto_with_orig_beautiful_urlpath($$) { #{{{
        my $to=shift;
        my $from=shift;
@@ -694,7 +736,7 @@ sub otherlanguagesloop ($) { #{{{
                }
                else {
                        push @ret, {
-                               url => urlto($otherpage, $page),
+                               url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
                                code => $lang,
                                language => languagename($lang),
                                percent => percenttranslated($otherpage),