X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfatables%2Fxmlrule.py;h=5eb5891186337c51e0042c6b3946092f1adfbb1e;hb=50d80230b924e20e028ed3c0f13ddd6f98cfbe54;hp=b0f6fdef6e30db900f8831bdecba19cdb599106f;hpb=4f5aa107ea1efb7a1e67da360ab91e7aacbd80a8;p=sfa.git diff --git a/sfatables/xmlrule.py b/sfatables/xmlrule.py index b0f6fdef..5eb58911 100644 --- a/sfatables/xmlrule.py +++ b/sfatables/xmlrule.py @@ -7,35 +7,63 @@ 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, doc, 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(filepath) style = libxslt.parseStylesheetDoc(styledoc) - doc = libxml2.parseDoc(rspec) result = style.applyStylesheet(doc, None) - stylesheet_result = style.saveResultToString(result) + 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 + p.xpathFreeContext() + else: + stylesheet_result = result #style.saveResultToString(result) + style.freeStylesheet() - doc.freeDoc() - result.freeDoc() + #doc.freeDoc() + #result.freeDoc() + + return stylesheet_result + + def wrap_up(self, doc): + filepath = os.path.join(sfatables_config, 'processors', self.final_processor) + + if not os.path.exists(filepath): + # TODO: final_processor is not there yet + return doc#rspec + + styledoc = libxml2.parseFile(filepath) + style = libxslt.parseStylesheetDoc(styledoc) + #doc = libxml2.parseDoc(rspec) + result = style.applyStylesheet(doc, None) + stylesheet_result = result #style.saveResultToString(result) + style.freeStylesheet() + #doc.freeDoc() + #result.freeDoc() return stylesheet_result def match(self, rspec): - match_result = self.apply_processor('match',rspec) - return (match_result=='True') + match_result = self.apply_processor('match',rspec,"//result/@verdict") + return (match_result[0].content=='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): @@ -87,13 +115,12 @@ 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):