def complete(self, input):
l = re.split('\s+', input)
matches = [m for m in self.shell.builtins.commands() if re.match(l[0], m)]
matches_length = len(matches)
# matches found
if matches_length > 0:
# partial or exact match
if not l[1:]: # only on first word
# many matches found
if matches_length > 1:
command = Utilities.longest_common_prefix(matches)
completion = Utilities.format(matches)
# one match found
elif matches_length == 1:
command = matches[0]
completion = ''
# exact match with space added for sub completion
elif re.match('{0}\s+'.format(l[0]), input):
try:
submatches = \
[m for m in eval('self.shell.builtins._{0}_completion()'.format(l[0])) if \
re.match(' '.join(l[1:]).strip(), m)]
submatches_length = len(submatches)
# many submatches found
if submatches_length > 1:
command = '{0} {1}'.format(l[0], Utilities.longest_common_prefix(submatches))
completion = Utilities.format(submatches)
# one submatch found
elif submatches_length == 1:
command = '{0} {1}'.format(l[0], submatches[0])
completion = ''
# no submatch found
else:
command = input
completion = ''
# _xxx_completion() does not exist
except AttributeError:
command = input
completion = ''
# no match
else:
command = input
completion = ''
# no match found
else:
command = input
completion = ''
return json.dumps({'command': command,
'completion': completion})
