Added a "negate result" option
[sfa.git] / sfatables / xmlextension.py
index 1e27e76..4fc1ab5 100644 (file)
@@ -8,12 +8,13 @@ import libxml2
 from sfatables.globals import *
 
 class Xmlextension:
-    context = ""
-    processor = ""
-    operand = "VALUE"
-    arguments = []
-
     def __init__(self, dir, component_name):
+        self.context = ""
+        self.processor = ""
+        self.operand = "VALUE"
+        self.arguments = []
+        self.terminal = 0
+
         filename = dir+"/"+component_name+".xml"
         self.xmldoc = libxml2.parseFile(filename)
 
@@ -34,6 +35,9 @@ class Xmlextension:
         help = p.xpathEval('//rule/argument/help')
         target = p.xpathEval('//rule/argument/operand')
 
+        context = p.xpathEval('//attributes/attribute[@terminal="yes"]')
+        self.terminal = (context != [])
+
         self.arguments = map(lambda (name,help,target):{'name':name.content,'help':help.content,'target':target.content}, zip(name,help,target))
         
         p.xpathFreeContext()