Make sure we don't hang in an infinite loop when encountering malformed macro/template files.

1 files changed, 4 insertions, 2 deletions

diff --git a/server/src/templateheaderparser.cc b/server/src/templateheaderparser.cc
index 8698e05..0b274ee 100644
--- a/server/src/templateheaderparser.cc
+++ b/server/src/templateheaderparser.cc
@@ -94,11 +94,13 @@ TemplateHeaderParser::~TemplateHeaderParser()
 
 void TemplateHeaderParser::startTag(std::string name, std::map< std::string, std::string> attributes)
 {
-  // Create template and enable parsing of queries, maps and widgets
+  if(t) return;
+
   if(name == "template") {
-    assert(!t); // A Template has already been allocated, cannot create template!
     t = new Template();
     t->attributes = attributes;
+  } else {
+    throw Exception("Missing root tag 'template' - found '" + name + "'");
   }
 }