87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
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# lheading (---, ==)
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import logging
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from .state_block import StateBlock
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LOGGER = logging.getLogger(__name__)
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def lheading(state: StateBlock, startLine: int, endLine: int, silent: bool) -> bool:
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LOGGER.debug("entering lheading: %s, %s, %s, %s", state, startLine, endLine, silent)
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level = None
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nextLine = startLine + 1
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ruler = state.md.block.ruler
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terminatorRules = ruler.getRules("paragraph")
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if state.is_code_block(startLine):
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return False
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oldParentType = state.parentType
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state.parentType = "paragraph" # use paragraph to match terminatorRules
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# jump line-by-line until empty one or EOF
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while nextLine < endLine and not state.isEmpty(nextLine):
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# this would be a code block normally, but after paragraph
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# it's considered a lazy continuation regardless of what's there
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if state.sCount[nextLine] - state.blkIndent > 3:
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nextLine += 1
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continue
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# Check for underline in setext header
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if state.sCount[nextLine] >= state.blkIndent:
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pos = state.bMarks[nextLine] + state.tShift[nextLine]
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maximum = state.eMarks[nextLine]
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if pos < maximum:
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marker = state.src[pos]
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if marker in ("-", "="):
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pos = state.skipCharsStr(pos, marker)
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pos = state.skipSpaces(pos)
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# /* = */
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if pos >= maximum:
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level = 1 if marker == "=" else 2
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break
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# quirk for blockquotes, this line should already be checked by that rule
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if state.sCount[nextLine] < 0:
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nextLine += 1
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continue
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# Some tags can terminate paragraph without empty line.
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terminate = False
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for terminatorRule in terminatorRules:
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if terminatorRule(state, nextLine, endLine, True):
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terminate = True
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break
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if terminate:
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break
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nextLine += 1
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if not level:
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# Didn't find valid underline
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return False
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content = state.getLines(startLine, nextLine, state.blkIndent, False).strip()
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state.line = nextLine + 1
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token = state.push("heading_open", "h" + str(level), 1)
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token.markup = marker
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token.map = [startLine, state.line]
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token = state.push("inline", "", 0)
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token.content = content
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token.map = [startLine, state.line - 1]
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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 = marker
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state.parentType = oldParentType
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return True
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