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- """ 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
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