X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfatables%2Fxmlrule.py;h=55796a9d9b88c9579e8e46b4917ed9ac1c56e0cc;hb=87121ca63d2b95bb155ea2adc5fd7c61d5cddcbe;hp=258e75a1c2eadf375e437b93a50a19aa46342df3;hpb=3911c6d97e010f6cf8faed8fc9800a90028d7aea;p=sfa.git

diff --git a/sfatables/xmlrule.py b/sfatables/xmlrule.py
index 258e75a1..55796a9d 100644
--- a/sfatables/xmlrule.py
+++ b/sfatables/xmlrule.py
@@ -1,4 +1,5 @@
 import libxml2
+import libxslt
 from sfatables.globals import *
 
 class XMLRule:
@@ -6,23 +7,52 @@ class XMLRule:
     chain = None
     xmldoc = None
     terminal = 0
+    final_processor = '__sfatables_wrap_up__.xsl'
 
     arguments = {'match':None,'target':None}
     processors = {'match':None,'target':None}
     context = {'match':None,'target':None}
 
-    def apply_processor(self, type, rspec):
+    def apply_processor(self, type, rspec, output_xpath_filter=None):
         processor = self.processors[type]
 
         # XXX TO CLEAN UP
-        filepath = 'processors/' + processor
+        filepath = os.path.join(sfatables_config, 'processors', processor)
         # XXX
 
-        styledoc = libxml2.parseFile(processor)
+        styledoc = libxml2.parseFile(filepath)
         style = libxslt.parseStylesheetDoc(styledoc)
         doc = libxml2.parseDoc(rspec)
         result = style.applyStylesheet(doc, None)
-        processed_result = style.saveResultToString(result, 0)
+        if (output_xpath_filter):
+            p = result.xpathNewContext()
+            xpath_result = p.xpathEval(output_xpath_filter)
+            if (xpath_result == []):
+                raise Exception("Could not apply processor %s."%processor)
+
+            stylesheet_result = xpath_result[0].content
+            p.xpathFreeContext()
+        else:
+            stylesheet_result = style.saveResultToString(result)
+
+        style.freeStylesheet()
+        doc.freeDoc()
+        result.freeDoc()
+
+        return stylesheet_result
+
+    def wrap_up(self, rspec):
+        filepath = os.path.join(sfatables_config, 'processors', self.final_processor)
+
+        if not os.path.exists(filepath):
+            # TODO: final_processor is not there yet
+            return rspec
+
+        styledoc = libxml2.parseFile(filepath)
+        style = libxslt.parseStylesheetDoc(styledoc)
+        doc = libxml2.parseDoc(rspec)
+        result = style.applyStylesheet(doc, None)
+        stylesheet_result = style.saveResultToString(result)
         style.freeStylesheet()
         doc.freeDoc()
         result.freeDoc()
@@ -30,11 +60,11 @@ class XMLRule:
         return stylesheet_result
 
     def match(self, rspec):
-        match_result = self.apply_processor('match',rspec) 
+        match_result = self.apply_processor('match',rspec,"//result/@verdict") 
         return (match_result=='True')
 
     def target(self, rspec):
-        target_result = self.apply_processor('target',rspec)
+        target_result = self.apply_processor('target',rspec,None)
         return target_result
 
     def apply_interpreted(self, rspec):
@@ -86,13 +116,12 @@ class XMLRule:
         root_node.addChild(arguments[type])
         return rspec
 
-    def __init__(self, chain, rule_number):
-
-        self.load_xml_extension('match', chain, rule_number)
-        self.load_xml_extension('target',chain, rule_number)
-        self.rule_number = rule_number
-        self.chain = chain
-
+    def __init__(self, chain=None, rule_number=None):
+        if (chain and rule_number):
+            self.load_xml_extension('match', chain, rule_number)
+            self.load_xml_extension('target',chain, rule_number)
+            self.rule_number = rule_number
+            self.chain = chain
         return
         
     def free(self):