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