69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
|
""" Atex heading (#, ##, ...) """
|
||
|
|
from __future__ import annotations
|
||
|
|
|
||
|
|
import logging
|
||
|
|
|
||
|
|
from ..common.utils import isStrSpace
|
||
|
|
from .state_block import StateBlock
|
||
|
|
|
||
|
|
LOGGER = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
def heading(state: StateBlock, startLine: int, endLine: int, silent: bool) -> bool:
|
||
|
|
LOGGER.debug("entering heading: %s, %s, %s, %s", state, startLine, endLine, silent)
|
||
|
|
|
||
|
|
pos = state.bMarks[startLine] + state.tShift[startLine]
|
||
|
|
maximum = state.eMarks[startLine]
|
||
|
|
|
||
|
|
if state.is_code_block(startLine):
|
||
|
|
return False
|
||
|
|
|
||
|
|
ch: str | None = state.src[pos]
|
||
|
|
|
||
|
|
if ch != "#" or pos >= maximum:
|
||
|
|
return False
|
||
|
|
|
||
|
|
# count heading level
|
||
|
|
level = 1
|
||
|
|
pos += 1
|
||
|
|
try:
|
||
|
|
ch = state.src[pos]
|
||
|
|
except IndexError:
|
||
|
|
ch = None
|
||
|
|
while ch == "#" and pos < maximum and level <= 6:
|
||
|
|
level += 1
|
||
|
|
pos += 1
|
||
|
|
try:
|
||
|
|
ch = state.src[pos]
|
||
|
|
except IndexError:
|
||
|
|
ch = None
|
||
|
|
|
||
|
|
if level > 6 or (pos < maximum and not isStrSpace(ch)):
|
||
|
|
return False
|
||
|
|
|
||
|
|
if silent:
|
||
|
|
return True
|
||
|
|
|
||
|
|
# Let's cut tails like ' ### ' from the end of string
|
||
|
|
|
||
|
|
maximum = state.skipSpacesBack(maximum, pos)
|
||
|
|
tmp = state.skipCharsStrBack(maximum, "#", pos)
|
||
|
|
if tmp > pos and isStrSpace(state.src[tmp - 1]):
|
||
|
|
maximum = tmp
|
||
|
|
|
||
|
|
state.line = startLine + 1
|
||
|
|
|
||
|
|
token = state.push("heading_open", "h" + str(level), 1)
|
||
|
|
token.markup = "########"[:level]
|
||
|
|
token.map = [startLine, state.line]
|
||
|
|
|
||
|
|
token = state.push("inline", "", 0)
|
||
|
|
token.content = state.src[pos:maximum].strip()
|
||
|
|
token.map = [startLine, state.line]
|
||
|
|
token.children = []
|
||
|
|
|
||
|
|
token = state.push("heading_close", "h" + str(level), -1)
|
||
|
|
token.markup = "########"[:level]
|
||
|
|
|
||
|
|
return True
|