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

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 9906c3f5713cc567ece9ba8b93e96fcf5f18f831..7d68a9b2dc4a9adc990042d07e12205850c5e3fd 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}=$value;
+               if (exists $params{sortas}) {
+                       $pagestate{$page}{meta}{titlesort}=$params{sortas};
+               }
+               else {
+                       delete $pagestate{$page}{meta}{titlesort};
+               }
                return "";
        }
        elsif ($key eq 'description') {
@@ -116,6 +122,12 @@ sub preprocess (@) {
        }
        elsif ($key eq 'author') {
                $pagestate{$page}{meta}{author}=$value;
+               if (exists $params{sortas}) {
+                       $pagestate{$page}{meta}{authorsort}=$params{sortas};
+               }
+               else {
+                       delete $pagestate{$page}{meta}{authorsort};
+               }
                # fallthorough
        }
        elsif ($key eq 'authorurl') {
@@ -287,6 +299,33 @@ sub pagetemplate (@) {
        }
 }
 
+sub get_sort_key {
+       my $page = shift;
+       my $meta = shift;
+
+       # e.g. titlesort (also makes sense for author)
+       my $key = $pagestate{$page}{meta}{$meta . "sort"};
+       return $key if defined $key;
+
+       # e.g. title
+       $key = $pagestate{$page}{meta}{$meta};
+       return $key if defined $key;
+
+       # fall back to closer-to-core things
+       if ($meta eq 'title') {
+               return pagetitle(IkiWiki::basename($page));
+       }
+       elsif ($meta eq 'date') {
+               return $IkiWiki::pagectime{$page};
+       }
+       elsif ($meta eq 'updated') {
+               return $IkiWiki::pagemtime{$page};
+       }
+       else {
+               return '';
+       }
+}
+
 sub match {
        my $field=shift;
        my $page=shift;
@@ -307,11 +346,11 @@ sub match {
                        return IkiWiki::SuccessReason->new("$re matches $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
                }
                else {
-                       return IkiWiki::FailReason->new("$re does not match $field of $page", "" => 1);
+                       return IkiWiki::FailReason->new("$re does not match $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
                }
        }
        else {
-               return IkiWiki::FailReason->new("$page does not have a $field", "" => 1);
+               return IkiWiki::FailReason->new("$page does not have a $field", $page => $IkiWiki::DEPEND_CONTENT);
        }
 }
 
@@ -337,4 +376,31 @@ sub match_copyright ($$;@) {
        IkiWiki::Plugin::meta::match("copyright", @_);
 }
 
+sub match_guid ($$;@) {
+       IkiWiki::Plugin::meta::match("guid", @_);
+}
+
+package IkiWiki::SortSpec;
+
+sub cmp_meta {
+       my $meta = shift;
+       error(gettext("sort=meta requires a parameter")) unless defined $meta;
+
+       if ($meta eq 'updated' || $meta eq 'date') {
+               return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
+                       <=>
+                       IkiWiki::Plugin::meta::get_sort_key($b, $meta);
+       }
+
+       return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
+               cmp
+               IkiWiki::Plugin::meta::get_sort_key($b, $meta);
+}
+
+# A prototype of how sort=title could behave in 4.0 or something
+sub cmp_meta_title {
+       $_[0] = 'title';
+       return cmp_meta(@_);
+}
+
 1