po: abstract implementation details for %translations building and resetting

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

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 7bc702eca180bc54aaa9f9a872fa2c554a0c2ca6..a37230b887dde1cf76e52fa91f1f9881536f5e58 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -202,6 +202,15 @@ sub refreshpofiles ($@) { #{{{
        }
 } #}}}
 
+sub buildtranslationscache() { #{{{
+       # use istranslation's side-effect
+       map istranslation($_), (keys %pagesources);
+} #}}}
+
+sub resettranslationscache() { #{{{
+       undef %translations;
+} #}}}
+
 sub needsbuild () { #{{{
        my $needsbuild=shift;
 
@@ -209,8 +218,7 @@ sub needsbuild () { #{{{
        # a given master page was rendered because its source file was changed
        @origneedsbuild=(@$needsbuild);
 
-       # build %translations, using istranslation's side-effect
-       map istranslation($_), (keys %pagesources);
+       buildtranslationscache();
 
        # make existing translations depend on the corresponding master page
        foreach my $master (keys %translations) {
@@ -335,6 +343,31 @@ sub mybestlink ($$) { #{{{
        return "";
 } #}}}
 
+sub alreadyfiltered($$) { #{{{
+       my $page=shift;
+       my $destpage=shift;
+
+       return ( exists $filtered{$page}{$destpage}
+                && $filtered{$page}{$destpage} eq 1 );
+} #}}}
+sub setalreadyfiltered($$) { #{{{
+       my $page=shift;
+       my $destpage=shift;
+
+       $filtered{$page}{$destpage}=1;
+} #}}}
+sub unsetalreadyfiltered($$) { #{{{
+       my $page=shift;
+       my $destpage=shift;
+
+       if (exists $filtered{$page}{$destpage}) {
+               delete $filtered{$page}{$destpage};
+       }
+} #}}}
+sub resetalreadyfiltered() { #{{{
+       undef %filtered;
+} #}}}
+
 # 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 (@) { #{{{
@@ -345,8 +378,7 @@ sub filter (@) { #{{{
        my $content = decode_utf8(encode_utf8($params{content}));
 
        return $content if ( ! istranslation($page)
-                            || ( exists $filtered{$page}{$destpage}
-                                 && $filtered{$page}{$destpage} eq 1 ));
+                            || alreadyfiltered($page, $destpage) );
 
        # CRLF line terminators make poor Locale::Po4a feel bad
        $content=~s/\r\n/\n/g;
@@ -385,16 +417,16 @@ sub filter (@) { #{{{
                'file_in_name'  => \@masters,
                'file_in_charset'  => 'utf-8',
                'file_out_charset' => 'utf-8',
-       ) or error("[po/filter:$infile]: failed to translate");
-       $doc->write($outfile) or error("[po/filter:$infile] could not write $outfile");
-       $content = readfile($outfile) or error("[po/filter:$infile] could not read $outfile");
+       ) or error("[po/filter:$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;
 
-       $filtered{$page}{$destpage}=1;
+       setalreadyfiltered($page, $destpage);
        return $content;
 } #}}}
 
@@ -429,7 +461,7 @@ sub percenttranslated ($) { #{{{
                'file_in_name'  => \@masters,
                'file_in_charset'  => 'utf-8',
                'file_out_charset' => 'utf-8',
-       ) or error("[po/percenttranslated:$file]: failed to translate");
+       ) or error("[po/percenttranslated:$page]: failed to translate");
        my ($percent,$hit,$queries) = $doc->stats();
        return $percent;
 } #}}}
@@ -496,7 +528,7 @@ sub pagetemplate (@) { #{{{
                elsif (istranslation($page)) {
                        add_depends($page, $masterpage);
                        foreach my $translation (values %{$translations{$masterpage}}) {
-                               add_depends($page, $translation);
+                               add_depends($page, $translation) unless $page eq $translation;
                        }
                }
        }
@@ -517,7 +549,9 @@ sub pagetemplate (@) { #{{{
                                                        linktext => gettext("Discussion"),
                                                        ));
        }
-       # remove broken parentlink to ./index.html on home page's translations
+       # Remove broken parentlink to ./index.html on home page's translations.
+       # It works because this hook has the "last" parameter set, to ensure it
+       # runs after parentlinks' own pagetemplate hook.
        if ($template->param('parentlinks')
            && istranslation($page)
            && $masterpage eq "index") {
@@ -535,6 +569,9 @@ sub change(@) { #{{{
                next unless istranslatable($page);
                my $file=srcfile($pagesources{$page});
                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
+               # refreshed, e.g. because of a dependency.
                if ((grep { $_ eq $pagesources{$page} } @origneedsbuild)
                    || ! -e potfile($file)) {
                        refreshpot($file);
@@ -564,8 +601,8 @@ sub change(@) { #{{{
                        IkiWiki::rcs_update();
                }
                # Reinitialize module's private variables.
-               undef %filtered;
-               undef %translations;
+               resetalreadyfiltered();
+               resettranslationscache();
                # Trigger a wiki refresh.
                require IkiWiki::Render;
                IkiWiki::refresh();
@@ -577,9 +614,7 @@ sub editcontent () { #{{{
        my %params=@_;
        # as we're previewing or saving a page, the content may have
        # changed, so tell the next filter() invocation it must not be lazy
-       if (exists $filtered{$params{page}}{$params{page}}) {
-               delete $filtered{$params{page}}{$params{page}};
-       }
+       unsetalreadyfiltered($params{page}, $params{page});
        return $params{content};
 } #}}}