from panflute import Element, Block, Inline, Null, Str, Doc, convert_text, Para, Plain
import re

def inlinify(e: Element) -> Element:
	if len(e.content) == 1 and (isinstance(e.content[0], Para) or isinstance(e.content[0], Plain)):
		return e.content[0].content

def replaceEl(e: Element, r: Element) -> Element:
	parent = e.parent
	parent.content[e.index] = r
	r.parent = parent
	return r
def deleteEl(e: Element):
	del e.parent.content[e.index]

def nullify(e: Element):
	if isinstance(e, Inline):
		return Str("")
	elif isinstance(e, Block):
		return Null()

def import_md(s: str, standalone: bool=True) -> Doc:
	return convert_text(s, standalone=standalone)