Add two template variables, expose html language code and language direction.

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 53e6af92f1db14c668f287724aed7b8b12c6f76a..6107a4a2252c256e715a3b0bd210eb28d45371b3 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -346,6 +346,12 @@ sub pagetemplate (@) {
        if ($template->query(name => "lang_code")) {
                $template->param(lang_code => $lang_code);
        }
+       if ($template->query(name => "html_lang_code")) {
+               $template->param(html_lang_code => htmllangcode($lang_code));
+       }
+       if ($template->query(name => "html_lang_dir")) {
+               $template->param(html_lang_dir => htmllangdir($lang_code));
+       }
        if ($template->query(name => "lang_name")) {
                $template->param(lang_name => languagename($lang_code));
        }
@@ -857,6 +863,19 @@ sub lang ($) {
        return $master_language_code;
 }
 
+sub htmllangcode ($) {
+       (my $lang = shift) =~ tr/_/-/;
+       return $lang;
+}
+
+sub htmllangdir ($) {
+       my $lang = shift;
+       if ($lang =~ /^(ar|fa|he)/) {
+               return 'rtl';
+       }
+       return 'ltr';
+}
+
 sub islanguagecode ($) {
        my $code=shift;
 
@@ -1053,6 +1072,8 @@ sub otherlanguagesloop ($) {
                push @ret, {
                        url => urlto_with_orig_beautiful_urlpath(masterpage($page), $page),
                        code => $master_language_code,
+                       html_code => htmllangcode($master_language_code),
+                       html_dir => htmllangdir($master_language_code),
                        language => $master_language_name,
                        master => 1,
                };
@@ -1063,6 +1084,8 @@ sub otherlanguagesloop ($) {
                push @ret, {
                        url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
                        code => $lang,
+                       html_code => htmllangcode($lang),
+                       html_dir => htmllangdir($lang),
                        language => languagename($lang),
                        percent => percenttranslated($otherpage),
                }