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Tweaks and cleanups of the gemtext parser #32

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Merged
davep merged 3 commits into from
Jun 24, 2026
Merged

Tweaks and cleanups of the gemtext parser #32

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17125c6
:hammer: Move the rest of the line markers into constants
davep Jun 24, 2026
5a8b638
:racehorse: Reduce property lookups in the tight loop
davep Jun 24, 2026
fe98bcb
:racehorse: Clear the preformat list when emitted
davep Jun 24, 2026
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23 changes: 14 additions & 9 deletions src/rogallo/gemtext/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,10 @@ def uri(self) -> str:
"""Marker for a level 3 heading in Gemtext."""
_QUOTE: Final[str] = ">"
"""Marker for a quote in Gemtext."""
_PRE_FORMAT: Final[str] = "```"
"""Marker for preformatted text in Gemtext."""
_LIST_ITEM: Final[str] = "* "
"""Marker for a list item in Gemtext."""


##############################################################################
Expand All @@ -126,25 +130,26 @@ def _parse(self) -> Iterator[Line]:
in_preformat = False
preformat_content: list[str] = []
for line in self._text.splitlines():
if line.startswith("```"):
is_a = line.startswith
if is_a(_PRE_FORMAT):
if not (in_preformat := not in_preformat):
yield PreFormatted("\n".join(preformat_content))
preformat_content = []
preformat_content.clear()
elif in_preformat:
preformat_content.append(line)
elif line.startswith(_LINK):
elif is_a(_LINK):
parts = line.removeprefix(_LINK).strip().split(maxsplit=1)
yield Link(parts[0], parts[1] if len(parts) > 1 else "")
elif line.startswith(_QUOTE):
elif is_a(_QUOTE):
yield Quote(line.removeprefix(_QUOTE).strip())
elif line.startswith(_H3):
elif is_a(_H3):
yield Heading(line.removeprefix(_H3).strip(), 3)
elif line.startswith(_H2):
elif is_a(_H2):
yield Heading(line.removeprefix(_H2).strip(), 2)
elif line.startswith(_H1):
elif is_a(_H1):
yield Heading(line.removeprefix(_H1).strip(), 1)
elif line.startswith("* "):
yield ListItem(line.removeprefix("* ").strip())
elif is_a(_LIST_ITEM):
yield ListItem(line.removeprefix(_LIST_ITEM).strip())
else:
yield Paragraph(line)
if in_preformat:
Expand Down
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