def regexes(self):
if not self.diffs:
self._generate_diffs()
regexes = []
for s0_id, diff_dict in self.diffs.viewitems():
for s1_id, diff in diff_dict.viewitems():
s0, s1 = self.sequences[s0_id], self.sequences[s1_id]
bookmark_i = 0
bookmark_j = 0
this_regex = [r'^']
for i, j, n in diff:
nonmatches_i = s0[bookmark_i:i]
nonmatches_j = s1[bookmark_j:j]
mismatch_group = retools.char_set_to_smart_group(nonmatches_i + nonmatches_j)
this_regex.append(mismatch_group)
match_group = retools.escaped(s0[i:i+n])
this_regex.append(match_group)
bookmark_i = i+n
bookmark_j = j+n
this_regex.append(r'$')
regexes.append(''.join(this_regex))
return regexes
def __init__(self, left, right, data, fill=False):
super(ChoiceOptNode, self).__init__(left, right, data, 'choice_opt', fill)
self.regex = lambda: r'(%s)?' % '|'.join([retools.escaped(x) for x in self.data])
def __init__(self, left, right, data, fill=False):
super(ConcatOptNode, self).__init__(left, right, data, 'concat_opt', fill)
self.regex = lambda: r'(%s)?' % retools.escaped(self.data)