import libxml2
+import libxslt
from sfatables.globals import *
class XMLRule:
processors = {'match':None,'target':None}
context = {'match':None,'target':None}
- def apply_processor(self, type, rspec):
- processor = processors[type]
- styledoc = libxml2.parseFile(processor)
+ def apply_processor(self, type, rspec, output_xpath_filter=None):
+ processor = self.processors[type]
+
+ # XXX TO CLEAN UP
+ filepath = 'processors/' + processor
+ # XXX
+
+ 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 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):