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#!/usr/bin/env python3
# Import local files
from whitespace import *
from command import *
from util import *
from builtin_commands import commands
from panflute import *
import re
from mj_show import show
flags = ["dog"]
def transform(e: Element):
"""Transform the AST, making format-agnostic changes."""
if isinstance(e, Whitespace) and bavlna(e):
e = replaceEl(e, NBSP())
if hasattr(e, "attributes"):
# `if` attribute. Only show this element if flag is set.
if "if" in e.attributes:
if not e.attributes["if"] in flags:
deleteEl(e)
return
# `ifn` attribute. Only show this element if flag is NOT set
if "ifn" in e.attributes:
if e.attributes["ifn"] in flags:
deleteEl(e)
return
# `c` attribute. Execute a command with the name saved in this attribute.
if (isinstance(e, Div) or isinstance(e, Span)) and "c" in e.attributes:
if isinstance(e, Div):
e = replaceEl(e, MultilineCommand(*e.content, identifier=e.identifier, classes=e.classes, attributes=e.attributes))
else:
e = replaceEl(e, InlineCommand(*e.content, identifier=e.identifier, classes=e.classes, attributes=e.attributes))
# Handle special command shorthand [!commandname]{}
if isinstance(e, Span) and len(e.content) == 1 and isinstance(e.content[0], Str) and re.match(r"^!\w+$", e.content[0].text):
e = replaceEl(e, InlineCommand(identifier=e.identifier, classes=e.classes, attributes={**e.attributes, "c": e.content[0].text[1:]}))
if hasattr(e, "content"):
for c in e.content:
transform(c)
# All commands on the inside execute first while being transformed
if isinstance(e, Command):
pass # TODO: Dodělat tohle
doc = load()
print(show(doc))
transform(doc)
print("---------------------")
print(show(doc))