ruleparser.py 文件源码

def __init__(self, rule):
        self.rule = rule
        self.opener = self.rule['opener']
        self.closer = self.rule['closer']
        self.columns = self.rule.get('columns', -1)

        nested = nestedExpr(opener=self.opener, closer=self.closer,
                            content=CharsNotIn(self.opener + self.closer))
        if self.columns < 0:
            self.nested = OneOrMore(nested)
        else:
            self.nested = nested * self.columns + Or([CharsNotIn('\n'), Empty()])