Function single_line_format

cmd2/history.py:22–56

Format a command line to display on a single line. Spaces and newlines in quotes are preserved so those strings will span multiple lines. :param statement: Statement being formatted. :return: formatted command line

(statement: Statement)

def single_line_format(statement: Statement) -> str:
    """Format a command line to display on a single line.

    Spaces and newlines in quotes are preserved so those strings will span multiple lines.

    :param statement: Statement being formatted.
    :return: formatted command line
    """
    if not statement.raw:
        return ""

    lines = statement.raw.splitlines()
    formatted_command = lines[0]

    # Append any remaining lines to the command.
    for line in lines[1:]:
        try:
            shlex_split(formatted_command)
        except ValueError:
            # We are in quotes, so restore the newline.
            separator = "\n"
        else:
            # Don't add a space before line if one already exists or if it begins with the terminator.
            if (
                formatted_command.endswith(" ")
                or line.startswith(" ")
                or (statement.terminator and line.startswith(statement.terminator))
            ):
                separator = ""
            else:
                separator = " "

        formatted_command += separator + line

    return formatted_command


@dataclass(frozen=True)