61 lines
2 KiB
Python
61 lines
2 KiB
Python
import logging
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from prompt_toolkit.enums import DEFAULT_BUFFER
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from prompt_toolkit.filters import Condition
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from prompt_toolkit.application import get_app
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from .packages.parseutils.utils import is_open_quote
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_logger = logging.getLogger(__name__)
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def _is_complete(sql):
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# A complete command is an sql statement that ends with a semicolon, unless
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# there's an open quote surrounding it, as is common when writing a
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# CREATE FUNCTION command
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return sql.endswith(";") and not is_open_quote(sql)
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"""
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Returns True if the buffer contents should be handled (i.e. the query/command
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executed) immediately. This is necessary as we use prompt_toolkit in multiline
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mode, which by default will insert new lines on Enter.
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"""
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def safe_multi_line_mode(pgcli):
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@Condition
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def cond():
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_logger.debug(
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'Multi-line mode state: "%s" / "%s"', pgcli.multi_line, pgcli.multiline_mode
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)
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return pgcli.multi_line and (pgcli.multiline_mode == "safe")
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return cond
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def buffer_should_be_handled(pgcli):
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@Condition
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def cond():
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if not pgcli.multi_line:
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_logger.debug("Not in multi-line mode. Handle the buffer.")
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return True
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if pgcli.multiline_mode == "safe":
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_logger.debug("Multi-line mode is set to 'safe'. Do NOT handle the buffer.")
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return False
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doc = get_app().layout.get_buffer_by_name(DEFAULT_BUFFER).document
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text = doc.text.strip()
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return (
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text.startswith("\\") # Special Command
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or text.endswith(r"\e") # Special Command
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or text.endswith(r"\G") # Ended with \e which should launch the editor
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or _is_complete(text) # A complete SQL command
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or (text == "exit") # Exit doesn't need semi-colon
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or (text == "quit") # Quit doesn't need semi-colon
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or (text == ":q") # To all the vim fans out there
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or (text == "") # Just a plain enter without any text
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)
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return cond
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