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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-29 04:24:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-29 04:24:24 +0000
commit12e8343068b906f8b2afddc5569968a8a91fa5b0 (patch)
tree75cc5e05a4392ea0292251898f992a15a16b172b /markdown_it/rules_block/lheading.py
parentInitial commit. (diff)
downloadmarkdown-it-py-12e8343068b906f8b2afddc5569968a8a91fa5b0.tar.xz
markdown-it-py-12e8343068b906f8b2afddc5569968a8a91fa5b0.zip
Adding upstream version 2.1.0.upstream/2.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'markdown_it/rules_block/lheading.py')
-rw-r--r--markdown_it/rules_block/lheading.py90
1 files changed, 90 insertions, 0 deletions
diff --git a/markdown_it/rules_block/lheading.py b/markdown_it/rules_block/lheading.py
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+# lheading (---, ==)
+import logging
+
+from ..ruler import Ruler
+from .state_block import StateBlock
+
+LOGGER = logging.getLogger(__name__)
+
+
+def lheading(state: StateBlock, startLine: int, endLine: int, silent: bool):
+
+ LOGGER.debug("entering lheading: %s, %s, %s, %s", state, startLine, endLine, silent)
+
+ level = None
+ nextLine = startLine + 1
+ ruler: Ruler = state.md.block.ruler
+ terminatorRules = ruler.getRules("paragraph")
+
+ # if it's indented more than 3 spaces, it should be a code block
+ if state.sCount[startLine] - state.blkIndent >= 4:
+ return False
+
+ oldParentType = state.parentType
+ state.parentType = "paragraph" # use paragraph to match terminatorRules
+
+ # jump line-by-line until empty one or EOF
+ while nextLine < endLine and not state.isEmpty(nextLine):
+ # this would be a code block normally, but after paragraph
+ # it's considered a lazy continuation regardless of what's there
+ if state.sCount[nextLine] - state.blkIndent > 3:
+ nextLine += 1
+ continue
+
+ # Check for underline in setext header
+ if state.sCount[nextLine] >= state.blkIndent:
+ pos = state.bMarks[nextLine] + state.tShift[nextLine]
+ maximum = state.eMarks[nextLine]
+
+ if pos < maximum:
+ marker = state.srcCharCode[pos]
+
+ # /* - */ /* = */
+ if marker == 0x2D or marker == 0x3D:
+ pos = state.skipChars(pos, marker)
+ pos = state.skipSpaces(pos)
+
+ # /* = */
+ if pos >= maximum:
+ level = 1 if marker == 0x3D else 2
+ break
+
+ # quirk for blockquotes, this line should already be checked by that rule
+ if state.sCount[nextLine] < 0:
+ nextLine += 1
+ continue
+
+ # Some tags can terminate paragraph without empty line.
+ terminate = False
+ for terminatorRule in terminatorRules:
+ if terminatorRule(state, nextLine, endLine, True):
+ terminate = True
+ break
+ if terminate:
+ break
+
+ nextLine += 1
+
+ if not level:
+ # Didn't find valid underline
+ return False
+
+ content = state.getLines(startLine, nextLine, state.blkIndent, False).strip()
+
+ state.line = nextLine + 1
+
+ token = state.push("heading_open", "h" + str(level), 1)
+ token.markup = chr(marker)
+ token.map = [startLine, state.line]
+
+ token = state.push("inline", "", 0)
+ token.content = content
+ token.map = [startLine, state.line - 1]
+ token.children = []
+
+ token = state.push("heading_close", "h" + str(level), -1)
+ token.markup = chr(marker)
+
+ state.parentType = oldParentType
+
+ return True