Guard against URIs (not QNames) being used for tags.

ruby-rdf · May 16, 2023 · 9c440ca · 9c440ca
1 parent d28856b
commit 9c440ca
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/rdf/rdfxml/writer.rb b/lib/rdf/rdfxml/writer.rb
@@ -259,6 +259,7 @@ def render_subject(subject, builder, **options, &block)
       # The first type is used for
       first_type = types.shift
       type_qname = get_qname(first_type) if first_type
+      type_qname = nil unless type_qname.is_a?(String)
       types.unshift(first_type) if first_type && !type_qname
       type_qname ||= "rdf:Description"
 
@@ -619,7 +620,7 @@ def expand_curie(curie)
     # Turn CURIE into a QNAME or return the RDF::URI
     def get_qname(uri)
       curie = get_curie(uri)
-      if curie.nil?
+      if curie.nil? || curie == ':'
         uri
       elsif curie.start_with?(":")
         curie[1..-1]