class ShellLexer(RegexLexer):
"""Provides highlighting for commands, subcommands, arguments, and options.
:type completion_index: :class:`CompletionIndex`
:param completion_index: Completion index used to determine commands,
subcommands, arguments, and options for highlighting.
:type tokens: dict
:param tokens: A dict of (`pygments.lexer`, `pygments.token`) used for
pygments highlighting.
"""
completion_index = CompletionIndex()
completion_index.load_completions()
tokens = {
'root': [
# ec2, s3, elb...
(words(tuple(completion_index.commands),
prefix=r'\b',
suffix=r'\b'), Literal.String),
# describe-instances
(words(tuple(completion_index.subcommands),
prefix=r'\b',
suffix=r'\b'), Name.Class),
# --instance-ids
(words(tuple(list(completion_index.args_opts)),
prefix=r'',
suffix=r'\b'), Keyword.Declaration),
# --profile
(words(tuple(completion_index.global_opts),
prefix=r'',
suffix=r'\b'), Operator.Word),
# Everything else
(r'.*\n', Text),
]
}
def setUp(self):
self.completion_index = CompletionIndex()
# This would probably be cleaner with a pytest.fixture like
# test_completions.index_data
DATA = ('{"aws": '
'{"commands": ["devicefarm", "foo"], '
'"arguments": ["--debug", "--endpoint-url"], '
'"children": {"devicefarm": '
'{"commands": ["create-device-pool"], '
'"children": {"create-device-pool": '
'{"commands": [], '
'"arguments": ["--project-arn", "--name"]}}}, '
'"foo": '
'{"commands": ["bar"], '
'"children": {"bar": '
'{"commands": [], "arguments": ["--baz"]}}}}}}')
self.completion_index.load_index = lambda x: DATA
self.completion_index.load_completions()
