Workaround for Graph::Reader::Dot not accepting Unicode barewords. Fixes #19

diff --git a/lib/stemmaweb/Controller/Root.pm b/lib/stemmaweb/Controller/Root.pm
index 30cc644..f2488ad 100644 (file)
--- a/lib/stemmaweb/Controller/Root.pm
+++ b/lib/stemmaweb/Controller/Root.pm
@@ -351,6 +351,11 @@ sub stemma :Local :Args(2) {
        if( $c->req->method eq 'POST' ) {
                if( $ok eq 'full' ) {
                        my $dot = $c->request->body_params->{'dot'};
+                       # Graph::Reader::Dot does not handle bare unicode. We get around this
+                       # by wrapping all words in double quotes, but then we have to undo it
+                       # for the initial 'digraph stemma' statement. Horrible hack.
+                       $dot =~ s/\b(\w+)\b/"$1"/g;
+                       $dot =~ s/"(digraph|stemma)"/$1/g;
                        try {
                                if( $stemmaid eq 'n' ) {
                                        # We are adding a new stemma.