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parse: merge enter / exit block events match branch

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This commit is contained in:
Noah Hellman 2023-01-21 21:07:42 +01:00
parent 50632204a3
commit 6befcad52a
1 changed files with 27 additions and 34 deletions
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61
src/lib.rs
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@ -456,49 +456,42 @@ impl<'s> Parser<'s> {
continue;
}
},
tree::EventKind::Enter(c) | tree::EventKind::Exit(c)
if matches!(c, block::Node::Leaf(block::Leaf::LinkDefinition)) =>
{
// ignore link definitions
self.tree.take_inlines().last();
continue;
}
tree::EventKind::Enter(c) => match c {
block::Node::Leaf(l) => {
self.inlines.set_spans(self.tree.take_inlines());
self.inline_parser = Some(inline::Parser::new(self.inlines.chars()));
let container = Container::from_leaf_block(content, l);
Event::Start(container, attributes)
}
block::Node::Container(c) => {
let container = match c {
tree::EventKind::Enter(c) | tree::EventKind::Exit(c) => {
let enter = matches!(ev.kind, tree::EventKind::Enter(..));
let cont = match c {
block::Node::Leaf(l) => {
if matches!(l, block::Leaf::LinkDefinition) {
// ignore link definitions
self.tree.take_inlines().last();
continue;
}
if enter {
self.inlines.set_spans(self.tree.take_inlines());
self.inline_parser =
Some(inline::Parser::new(self.inlines.chars()));
}
Container::from_leaf_block(content, l)
}
block::Node::Container(c) => match c {
block::Container::Blockquote => Container::Blockquote,
block::Container::Div { .. } => Container::Div {
class: (!ev.span.is_empty()).then(|| content),
},
block::Container::Footnote => {
assert!(enter);
self.footnotes.insert(content, self.tree.take_branch());
continue;
}
_ => panic!(),
};
Event::Start(container, attributes)
block::Container::List(ty) => todo!(),
block::Container::ListItem(ty) => todo!(),
},
};
if enter {
Event::Start(cont, attributes)
} else {
Event::End(cont)
}
},
tree::EventKind::Exit(c) => match c {
block::Node::Leaf(l) => Event::End(Container::from_leaf_block(content, l)),
block::Node::Container(c) => {
let container = match c {
block::Container::Blockquote => Container::Blockquote,
block::Container::Div { .. } => Container::Div {
class: (!ev.span.is_empty()).then(|| content),
},
block::Container::Footnote => panic!(),
_ => panic!(),
};
Event::End(container)
}
},
}
tree::EventKind::Inline => unreachable!(),
};
return Some(event);