From: tla <tla@mit.edu>
Date: Mon, 28 Oct 2013 21:24:13 +0000 (+0100)
Subject: ensure graph names come through for undirected graphs too (tla/stemmaweb#28)
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=6665a3279629a4cafac3e132d9b609310a1028f6;p=scpubgit%2Fstemmatology.git

ensure graph names come through for undirected graphs too (tla/stemmaweb#28)
---

diff --git a/analysis/lib/Text/Tradition/Stemma.pm b/analysis/lib/Text/Tradition/Stemma.pm
index 7ea5e4e..8d75edb 100644
--- a/analysis/lib/Text/Tradition/Stemma.pm
+++ b/analysis/lib/Text/Tradition/Stemma.pm
@@ -136,6 +136,7 @@ is( ref( $udstemma ), 'Text::Tradition::Stemma', "Created stemma from undirected
 is( scalar $udstemma->witnesses, 13, "Found correct number of extant witnesses" );
 is( scalar $udstemma->hypotheticals, 12, "Found correct number of hypotheticals" );
 ok( $udstemma->is_undirected, "Stemma was recorded as undirected" );
+is( $udstemma->identifier, "RHM stemma", "Undirected graph retained its name" );
 
 =end testing
 
@@ -184,18 +185,6 @@ before 'graph' => sub {
 	}
 };
 
-after 'graph' => sub {
-	my $self = shift;
-	return unless @_;
-	## HORRIBLE HACK but there is no API access to graph attributes!
-	my $graph_id = exists $_[0]->[4]->{'name'} ? $_[0]->[4]->{'name'} : '';
-	if( $graph_id && !( $self->has_identifier && $self->identifier eq $graph_id ) ) {
-		$self->set_identifier( $graph_id );
-	} elsif ( !$graph_id && $self->has_identifier ) {
-		$self->set_identifier( 'stemma' );
-	}
-};
-
 sub _graph_from_dot {
 	my( $self, $dotfh ) = @_;
  	my $reader = Graph::Reader::Dot->new();
@@ -218,6 +207,8 @@ sub _graph_from_dot {
 	} elsif( !$graph ) {
 		throw( "Failed to create graph from dot" );
 	}
+	## HORRIBLE HACK but there is no API access to graph attributes!
+	my $graph_id = exists $graph->[4]->{'name'} ? $graph->[4]->{'name'} : 'stemma';
 	# Correct for implicit graph -> digraph quirk of reader
 	if( $reader_err && $reader_err =~ /graph will be treated as digraph/ ) {
 		my $udgraph = $graph->undirected_copy;
@@ -227,6 +218,7 @@ sub _graph_from_dot {
 		$graph = $udgraph;
 	}
 	$self->graph( $graph );
+	$self->set_identifier( $graph_id );
 }
 
 sub is_undirected {
diff --git a/analysis/t/data/besoin_undirected.dot b/analysis/t/data/besoin_undirected.dot
index 75df083..bbff89d 100644
--- a/analysis/t/data/besoin_undirected.dot
+++ b/analysis/t/data/besoin_undirected.dot
@@ -1,4 +1,4 @@
-graph stemma {
+graph "RHM stemma" {
   0 [ class=hypothetical ];
   1 [ class=hypothetical ];
   10 [ class=hypothetical ];
diff --git a/analysis/t/text_tradition_stemma.t b/analysis/t/text_tradition_stemma.t
index 3650076..da22e80 100644
--- a/analysis/t/text_tradition_stemma.t
+++ b/analysis/t/text_tradition_stemma.t
@@ -47,6 +47,7 @@ is( ref( $udstemma ), 'Text::Tradition::Stemma', "Created stemma from undirected
 is( scalar $udstemma->witnesses, 13, "Found correct number of extant witnesses" );
 is( scalar $udstemma->hypotheticals, 12, "Found correct number of hypotheticals" );
 ok( $udstemma->is_undirected, "Stemma was recorded as undirected" );
+is( $udstemma->identifier, "RHM stemma", "Undirected graph retained its name" );
 }