From df45724d152972305a473c34f9a4fdda14f8ced0 Mon Sep 17 00:00:00 2001
From: spixx <spixx>
Date: Sat, 11 Nov 2006 13:15:43 +0000
Subject: [PATCH] * Check for missing attribute

---
 src/xmlstructure.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/xmlstructure.cpp b/src/xmlstructure.cpp
index f2832c3..278f270 100644
--- a/src/xmlstructure.cpp
+++ b/src/xmlstructure.cpp
@@ -1,6 +1,6 @@
 // Copyright (C) 2006 Erik Dahlberg
 // 
-// This file is part of LSystem3d.
+// This file is part of LSystem3D.
 // 
 // LSystem3D is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
@@ -21,6 +21,7 @@
 
 #include <string>
 
+#include <libxml++/attribute.h>
 #include <libxml++/document.h>
 #include <libxml++/nodes/element.h>
 #include <libxml++/nodes/node.h>
@@ -225,7 +226,13 @@ string XMLStructure::getAttribute(string name)
     xmlpp::Element *child = dynamic_cast<xmlpp::Element*>(*_activeChildInList);
     
     // its attribute value
-    string attributeValue = child->get_attribute(name)->get_value();
+    string attributeValue;
+    xmlpp::Attribute *attribute = child->get_attribute(name);
+    
+    if (attribute)
+    {
+        attributeValue = attribute->get_value();
+    }
     
     return attributeValue;
 }
-- 
2.34.1