def CommandCompleter(self, args):
"""Returns the command/group completion choices for args or None.
Args:
args: The CLI tree parsed command args.
Returns:
(choices, offset):
choices - The list of completion strings or None.
offset - The completion prefix offset.
"""
arg = args[-1]
if arg.value.startswith('-'):
return None, 0
if arg.token_type == parser.ArgTokenType.GROUP:
if not self.empty:
return [], 0
node = arg.tree
prefix = ''
elif arg.token_type == parser.ArgTokenType.PREFIX:
prefix = arg.value
node = self.parser.root
elif arg.token_type == parser.ArgTokenType.UNKNOWN:
prefix = arg.value
if (self.manpage_generator and not prefix and len(args) == 2
and args[0].value):
node = generate_cli_trees.LoadOrGenerate(args[0].value)
if not node:
return None, 0
self.parser.root[parser.LOOKUP_COMMANDS][args[0].value] = node
elif args[-2].token_type == parser.ArgTokenType.GROUP:
node = args[-2].tree
else:
return None, 0
else:
return None, 0
return [
k for k, v in six.iteritems(node[parser.LOOKUP_COMMANDS])
if k.startswith(prefix) and not self.IsSuppressed(v)
], -len(prefix)
def CommandCompleter(self, args):
"""Returns the command/group completion choices for args or None.
Args:
args: The CLI tree parsed command args.
Returns:
(choices, offset):
choices - The list of completion strings or None.
offset - The completion prefix offset.
"""
arg = args[-1]
if arg.value.startswith('-'):
# A flag, not a command.
return None, 0
elif arg.token_type == parser.ArgTokenType.PREFIX:
# The root command name arg ("argv[0]"), the first token at the beginning
# of the command line or the next token after a shell statement separator.
node = self.parser.root
prefix = arg.value
elif arg.token_type in (parser.ArgTokenType.COMMAND,
parser.ArgTokenType.GROUP) and not self.empty:
# A command/group with an exact CLI tree match. See if it's also a prefix
# of other command/groups.
node = args[-2].tree if len(args) > 1 else self.parser.root
prefix = arg.value
for c in node[parser.LOOKUP_COMMANDS]:
if c.startswith(prefix) and c != prefix:
break
else:
return None, 0
elif arg.token_type == parser.ArgTokenType.GROUP:
# A command group with an exact CLI tree match.
if not self.empty:
return [], 0
node = arg.tree
prefix = ''
elif arg.token_type == parser.ArgTokenType.UNKNOWN:
# Unknown command arg type.
prefix = arg.value
if (self.manpage_generator and not prefix and
len(args) == 2 and args[0].value):
node = generate_cli_trees.LoadOrGenerate(args[0].value)
if not node:
return None, 0
self.parser.root[parser.LOOKUP_COMMANDS][args[0].value] = node
elif len(args) > 1 and args[-2].token_type == parser.ArgTokenType.GROUP:
node = args[-2].tree
else:
return None, 0
else:
# Don't know how to complete this arg.
return None, 0
return [k for k, v in six.iteritems(node[parser.LOOKUP_COMMANDS])
if k.startswith(prefix) and not self.IsSuppressed(v)], -len(prefix)