Class SetextHeaderProcessor

markdown/blockprocessors.py:493–513

Process Setext-style Headers.

class SetextHeaderProcessor(BlockProcessor):
    """ Process Setext-style Headers. """

    # Detect Setext-style header. Must be first 2 lines of block.
    RE = re.compile(r'^.*?\n[=-]+[ ]*(\n|$)', re.MULTILINE)

    def test(self, parent: etree.Element, block: str) -> bool:
        return bool(self.RE.match(block))

    def run(self, parent: etree.Element, blocks: list[str]) -> None:
        lines = blocks.pop(0).split('\n')
        # Determine level. `=` is 1 and `-` is 2.
        if lines[1].startswith('='):
            level = 1
        else:
            level = 2
        h = etree.SubElement(parent, 'h%d' % level)
        h.text = lines[0].strip()
        if len(lines) > 2:
            # Block contains additional lines. Add to  master blocks for later.
            blocks.insert(0, '\n'.join(lines[2:]))


class HRProcessor(BlockProcessor):