def clean_start(self, pat='[two|three|four]cols{(.*)'):
obj0 = self.objlist[0]
p = re.compile(pat)
q = p.search(obj0.string)
if q:
self.objlist.pop(0)
rest = q.group(1)
if rest:
line0 = line(rest)
self.objlist.insert(0,line0)
def clean_end(self, pat='(.*)}'):
end_obj = self.objlist[-1]
p = re.compile(pat)
q = p.match(end_obj.string)
if q:
self.objlist.pop()
start = q.group(1)
rest = q.group(1)
if rest:
lastline = line(rest)
self.objlist.append(lastline)