path: root/def_LinkTitle.py

#!/usr/bin/python3

# Copyright 2025, Jonas Smedegaard <dr@jones.dk>
# SPDX-License-Identifier: GPL-3+

from os.path import basename, splitext
from railroad import *

Diagram(
    Start("complex"),
    Choice(0,
        Sequence(
            '"',
            Optional(NonTerminal("_"), True),
            NonTerminal("!'\"' PlainWords"),
            Optional(NonTerminal("_"), True),
            '"',
        ),
        Sequence(
            "'",
            Optional(NonTerminal("_"), True),
            NonTerminal("!\"'\" PlainWords"),
            Optional(NonTerminal("_"), True),
            "'",
        ),
        Sequence(
            "(",
            Optional(NonTerminal("_"), True),
            NonTerminal("![()] PlainWords"),
            Optional(NonTerminal("_"), True),
            ")",
        )
    ),
    End("complex")
).writeStandalone(
    open(splitext(basename(__file__))[0] + ".svg", "w").write)