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from typing import List, Optional
from .key_processor import KeyPress
__all__ = [
"EmacsState",
]
class EmacsState:
"""
Mutable class to hold Emacs specific state.
"""
def __init__(self) -> None:
# Simple macro recording. (Like Readline does.)
# (For Emacs mode.)
self.macro: Optional[List[KeyPress]] = []
self.current_recording: Optional[List[KeyPress]] = None
def reset(self) -> None:
self.current_recording = None
@property
def is_recording(self) -> bool:
"Tell whether we are recording a macro."
return self.current_recording is not None
def start_macro(self) -> None:
"Start recording macro."
self.current_recording = []
def end_macro(self) -> None:
"End recording macro."
self.macro = self.current_recording
self.current_recording = None
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