1 files changed, 47 insertions, 0 deletions
diff --git a/lib/Data/MultiValued/AttributeTrait/TagsAndRanges.pm b/lib/Data/MultiValued/AttributeTrait/TagsAndRanges.pm
index 36b7cf9..10a1a94 100644
--- a/lib/Data/MultiValued/AttributeTrait/TagsAndRanges.pm
+++ b/lib/Data/MultiValued/AttributeTrait/TagsAndRanges.pm
@@ -39,12 +39,59 @@ Returns C<('tag', 'from', 'to')>.
 
 Returns C<('tag', 'at')>.
 
+=head2 C<all_tags>
+
+  my @tags = $obj->meta->get_attribute('my_attr')->all_tags($obj);
+
+Returns a list of all values for which C<<
+$obj->has_my_attr_multi({tag=>$tag}) >> would return true.
+
+=head2 C<all_tags_and_ranges>
+
+  my @tags_and_ranges = $obj->meta->get_attribute('my_attr')
+     ->all_tags_and_ranges($obj);
+
+Returns a list of 2-element arrayrefs. The first element of each
+arrayref is a tag (possibly C<undef>), the second element is an
+arrayref of 2-element arrayrefs, each arrayref describing the extremes
+of a range. Something like:
+
+   [
+    [ 'x', [ [undef,10], [10,20], [20,undef] ] ],
+    [ undef, [ [undef,undef] ] ],
+   ],
+
 =cut
 
 sub multivalue_storage_class { 'Data::MultiValued::TagsAndRanges' };
 sub opts_to_pass_set { qw(from to tag) }
 sub opts_to_pass_get { qw(at tag) }
 
+require Data::MultiValued::AttributeTrait::Tags;
+
+sub all_tags {
+    my ($self,$instance) = @_;
+    return $self->Data::MultiValued::AttributeTrait::Tags::all_tags($instance);
+}
+
+sub all_tags_and_ranges {
+    my ($self,$instance) = @_;
+
+    my $storage = $self->get_full_storage($instance);
+    return unless $storage;
+
+    my @tags = $self->all_tags($instance);
+
+    my @tags_and_ranges;
+    for my $tag (@tags) {
+        my @these_ranges = $storage->_storage
+            ->get({tag=>$tag})->all_ranges;
+        push @tags_and_ranges,[$tag, \@these_ranges];
+    }
+
+    return @tags_and_ranges;
+}
+
 package Moose::Meta::Attribute::Custom::Trait::MultiValued::TagsAndRanges;{
 sub register_implementation { 'Data::MultiValued::AttributeTrait::TagsAndRanges' }
 }