class RuleInterpreter(Interpreter):
norule = Node()
def __init__(self, rule):
self.rule = Node()
self.appendrule(rule)
Interpreter.__init__(self)
def appendrule(self, rule):
shorp = Shorp()
shorp.add(rule)
self.rule.addChilds(shorp.parse().getChilds(), '+')
def matchrule(self, name):
rules = self.rule.getChilds()
matchr = None
for r in rules:
if r.getAttr('+') == name:
matchr = r
break
elif r.getAttr('+') == '':
matchr = r
return matchr
def interpretimpl(self, node, intent=-1):
if intent<0:
rule = self.norule
ruletpl = ''
else:
rulename = node.getAttr('+')
rule = self.matchrule(rulename)
if rule == None: rule = self.norule
ruletpl = rule.getAttr(':')
node = self.normalize(node, rule)
return getattr(self, 'rule_%s'%ruletpl)(node, rule, intent)
def rule_(self, node, rule, intent):
text = ''
childs = node.getChilds()
for child in childs:
text += self.interpret(child, intent+1)
return text
def normalize(self, node, rule):
return node
def __init__(self, rule):
self.rule = Node()
self.appendrule(rule)
Interpreter.__init__(self)
