|
1
|
|
|
"""Keystroke module.""" |
|
2
|
|
|
import re |
|
3
|
|
|
from .key import Key |
|
4
|
|
|
from .util import ensure_bytes |
|
5
|
|
|
|
|
6
|
|
|
|
|
7
|
|
|
KEYS_PATTERN = re.compile(b'(?:<[^>]+>|\S)') |
|
8
|
|
|
|
|
9
|
|
|
|
|
10
|
|
|
class Keystroke(tuple): |
|
11
|
|
|
"""Keystroke class which indicate multiple keys.""" |
|
12
|
|
|
|
|
13
|
|
|
__hash__ = tuple.__hash__ |
|
14
|
|
|
__slots__ = () |
|
15
|
|
|
|
|
16
|
|
|
def __str__(self): |
|
17
|
|
|
return ''.join(str(k) for k in self) |
|
18
|
|
|
|
|
19
|
|
|
def startswith(self, other): |
|
20
|
|
|
"""Check if the keystroke starts from ``other``. |
|
21
|
|
|
|
|
22
|
|
|
Args: |
|
23
|
|
|
other (Keystroke): A keystroke instance will be checked. |
|
24
|
|
|
|
|
25
|
|
|
Returns: |
|
26
|
|
|
bool: True if the keystroke starts from ``other``. |
|
27
|
|
|
""" |
|
28
|
|
|
if len(self) < len(other): |
|
29
|
|
|
return False |
|
30
|
|
|
return all(lhs == rhs for lhs, rhs in zip(self, other)) |
|
31
|
|
|
|
|
32
|
|
|
@classmethod |
|
33
|
|
|
def parse(cls, nvim, expr): |
|
34
|
|
|
"""Parse a keystroke expression and return a Keystroke instance. |
|
35
|
|
|
|
|
36
|
|
|
Args: |
|
37
|
|
|
nvim (neovim.Nvim): A ``neovim.Nvim`` instance. |
|
38
|
|
|
expr (tuple, bytes, str): A keystroke expression. |
|
39
|
|
|
|
|
40
|
|
|
Example: |
|
41
|
|
|
>>> from unittest.mock import MagicMock |
|
42
|
|
|
>>> nvim = MagicMock() |
|
43
|
|
|
>>> nvim.options = {'encoding': 'utf-8'} |
|
44
|
|
|
>>> Keystroke.parse(nvim, 'abc') |
|
45
|
|
|
(Key(code=97, ...), Key(code=98, ...), Key(code=99, ...)) |
|
46
|
|
|
>>> Keystroke.parse(nvim, '<Insert>') |
|
47
|
|
|
(Key(code=b'\x80kI', char=''),) |
|
48
|
|
|
|
|
49
|
|
|
Returns: |
|
50
|
|
|
Keystroke: A Keystroke instance. |
|
51
|
|
|
""" |
|
52
|
|
|
keys = _ensure_keys(nvim, expr) |
|
53
|
|
|
instance = cls(keys) |
|
54
|
|
|
return instance |
|
55
|
|
|
|
|
56
|
|
|
|
|
57
|
|
|
def _ensure_keys(nvim, expr): |
|
58
|
|
|
if isinstance(expr, (bytes, str)): |
|
59
|
|
|
expr_bytes = ensure_bytes(nvim, expr) |
|
60
|
|
|
keys = tuple( |
|
61
|
|
|
Key.parse(nvim, k) |
|
62
|
|
|
for k in KEYS_PATTERN.findall(expr_bytes) |
|
63
|
|
|
) |
|
64
|
|
|
else: |
|
65
|
|
|
keys = tuple(expr) |
|
66
|
|
|
return keys |
|
67
|
|
|
|
lambdalisue /
neovim-prompt
