save any defined stemmata in GraphML

[scpubgit/stemmatology.git] / lib / Text / Tradition / Collation.pm

diff --git a/lib/Text/Tradition/Collation.pm b/lib/Text/Tradition/Collation.pm
index 17e4394..fcdd1ff 100644 (file)
--- a/lib/Text/Tradition/Collation.pm
+++ b/lib/Text/Tradition/Collation.pm
@@ -887,6 +887,13 @@ is( scalar $st->collation->readings, $READINGS, "Reparsed collation has all read
 is( scalar $st->collation->paths, $PATHS, "Reparsed collation has all paths" );
 is( scalar $st->collation->relationships, 3, "Reparsed collation has new relationships" );
 
+# Now add a stemma, write to GraphML, and parse again.
+my $stemma = $tradition->add_stemma( 'dotfile' => 't/data/florilegium.dot' );
+is( ref( $stemma ), 'Text::Tradition::Stemma', "Parsed dotfile into stemma" );
+is( $tradition->stemmata, 1, "Tradition now has the stemma" );
+$graphml = $c->as_graphml;
+like( $graphml, qr/digraph/, "Digraph declaration exists in GraphML" );
+
 =end testing
 
 =cut
@@ -957,6 +964,8 @@ sub as_graphml {
                next unless $save_types{$attr->type_constraint->name};
                $graph_attributes{$attr->name} = $save_types{$attr->type_constraint->name};
        }
+    # Extra custom key for the tradition stemma(ta)
+    $graph_attributes{'stemmata'} = 'string';
        
     foreach my $datum ( sort keys %graph_attributes ) {
        $graph_data_keys{$datum} = 'dg'.$gdi++;
@@ -1030,11 +1039,16 @@ sub as_graphml {
     $sgraph->setAttribute( 'parse.nodes', 0 ); # fill in later
     $sgraph->setAttribute( 'parse.order', 'nodesfirst' );
            
-    # Collation attribute data
+    # Tradition/collation attribute data
     foreach my $datum ( keys %graph_attributes ) {
        my $value;
        if( $datum eq 'version' ) {
-               $value = '3.1';
+               $value = '3.2';
+       } elsif( $datum eq 'stemmata' ) {
+               my @stemstrs;
+               map { push( @stemstrs, $_->editable( {linesep => ''} ) ) } 
+                       $self->tradition->stemmata;
+               $value = join( "\n", @stemstrs );
        } elsif( $gattr_from{$datum} eq 'Tradition' ) {
                $value = $self->tradition->$datum;
        } else {