Fix handling of XML without root

svgpp · Sep 30, 2022 · 0bc57f2 · 0bc57f2
1 parent 15da189
commit 0bc57f2
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/demo/render/svgpp_render.cpp b/src/demo/render/svgpp_render.cpp
@@ -1656,7 +1656,10 @@ void renderDocument(XMLDocument & xmlDocument, ImageBuffer & buffer)
 {
   Document document(xmlDocument);
   Canvas canvas(document, buffer);
-  document_traversal_main::load_document(xmlDocument.getRoot(), canvas);
+  if (XMLElement root = xmlDocument.getRoot())
+    document_traversal_main::load_document(root, canvas);
+  else
+    throw std::runtime_error("No root XML element");
 }
 
 int main(int argc, char * argv[])