Reimplement extensible sorting mechanisms, in the same way as pagespecs

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

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 5f046cb2a06e90fdc53939ae2d2b3490d2d4d30e..e8cc1e3927a13c3f89f87fe27800a26355ddd006 100644 (file)
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -89,6 +89,12 @@ sub preprocess (@) {
        # Metadata collection that needs to happen during the scan pass.
        if ($key eq 'title') {
                $pagestate{$page}{meta}{title}=HTML::Entities::encode_numeric($value);
+               if (exists $params{sort}) {
+                       $pagestate{$page}{meta}{titlesort}=$params{sort};
+               }
+               else {
+                       $pagestate{$page}{meta}{titlesort}=$value;
+               }
                return "";
        }
        elsif ($key eq 'description') {
@@ -282,6 +288,16 @@ sub pagetemplate (@) {
        }
 }
 
+sub titlesort {
+       my $key = $pagestate{$_[0]}{meta}{titlesort};
+
+       if (defined $key) {
+               return $key;
+       }
+
+       return pagetitle(IkiWiki::basename($_[0]));
+}
+
 sub match {
        my $field=shift;
        my $page=shift;
@@ -332,4 +348,10 @@ sub match_copyright ($$;@) {
        IkiWiki::Plugin::meta::match("copyright", @_);
 }
 
+sub cmp_meta_title {
+       IkiWiki::Plugin::meta::titlesort($_[0])
+       cmp
+       IkiWiki::Plugin::meta::titlesort($_[1])
+}
+
 1