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clibuffer.py

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clibuffer.py

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from prompt_toolkit.application import get_app
from prompt_toolkit.enums import DEFAULT_BUFFER
from prompt_toolkit.filters import Condition, Filter
from mycli.packages.special import iocommands
from mycli.packages.special.main import (
CASE_INSENSITIVE_COMMANDS,
CASE_SENSITIVE_COMMANDS,
)
def cli_is_multiline(mycli) -> Filter:
@Condition
def cond():
if not mycli.multi_line:
return False
else:
doc = get_app().layout.get_buffer_by_name(DEFAULT_BUFFER).document
return not _multiline_exception(doc.text)
return cond
def _multiline_exception(text: str) -> bool:
orig = text
text = text.strip()
first_word = text.split()[0] if text else ''
# Multi-statement favorite query is a special case. Because there will
# be a semicolon separating statements, we can't consider semicolon an
# EOL. Let's consider an empty line an EOL instead.
if first_word.startswith(("\\fs", "/fs")):
return orig.endswith("\n")
return (
# Special Command
first_word.startswith("\\")
or (first_word.startswith('/') and not first_word.startswith('/*'))
or text.endswith((
# Ended with the current delimiter (usually a semi-column)
iocommands.get_current_delimiter(),
# or ended with certain commands
"\\g",
"\\G",
"\\x",
r"\e",
r"\edit",
r"\clip",
))
or
# non-backslashed special commands such as "exit" or "help" don't need semicolon
first_word in CASE_SENSITIVE_COMMANDS
or
# uppercase variants accepted
first_word.lower() in CASE_INSENSITIVE_COMMANDS
or
# just a plain enter without any text
(first_word == "")
)
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