Copy attributes in addition of internal tags.
[sfa.git] / sfatables / runtime.py
index e948d05..a536335 100644 (file)
@@ -50,12 +50,14 @@ class SFATablesRules:
                 childNode = self.create_xml_node(k, context_dict[k])
                 node.addChild(childNode)
             else:
-                node.addContent(context_dict[k])
+                childNode = libxml2.newNode(k)
+                childNode.addContent(context_dict[k])
+                node.addChild(childNode)
         return node
                 
     def add_request_context_to_rspec(self, doc):
         p = doc.xpathNewContext()
-        context = p.xpathEval("//rspec")
+        context = p.xpathEval("//RSpec")
         if (not context):
             raise Exception('Request is not an rspec')
         else:
@@ -67,30 +69,37 @@ class SFATablesRules:
 
     
     def apply(self, rspec):
-        doc = libxml2.parseDoc(rspec)
-        doc = self.add_request_context_to_rspec(doc)
+        if (self.sorted_rule_list):
+            doc = libxml2.parseDoc(rspec)
+            doc = self.add_request_context_to_rspec(doc)
 
-        intermediate_rspec = doc
+            intermediate_rspec = doc
 
-        for rule in self.sorted_rule_list:
-            intermediate_rspec  = rule.apply_interpreted(intermediate_rspec)
-            intermediate_rspec = XMLRule().wrap_up(intermediate_rspec) 
-            if (rule.terminal):
-                break
+            for rule in self.sorted_rule_list:
+                (matched,intermediate_rspec) = rule.apply_interpreted(intermediate_rspec)
+                if (rule.terminal and matched):
+                    break
+
+            final_rspec = self.wrap_up(intermediate_rspec) 
+        else:
+            final_rspec = rspec
 
-        final_rspec = self.wrap_up(intermediate_rspec) 
         return final_rspec
 
+    def print_rules(self):
+        for rule in self.sorted_rule_list:
+            print rule.processors
+
 def main():
     incoming = SFATablesRules('INCOMING')
     incoming.set_context({'sfa':{'user':{'hrn':'plc.princeton.sapanb'}}})
 
     outgoing = SFATablesRules('OUTGOING')
     print "%d rules loaded for INCOMING chain"%len(incoming.sorted_rule_list)
-    print incoming.sorted_rule_list[0].processors
+    incoming.print_rules()
 
     print "%d rules loaded for OUTGOING chain"%len(outgoing.sorted_rule_list)
-    print outgoing.sorted_rule_list[0].processors
+    outgoing.print_rules()
 
     rspec = open(sys.argv[1]).read()
     newrspec = incoming.apply(rspec)