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add simple Filter trait for composable filters #100

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add simple Filter trait for composable filters #100

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c12e2d9
lib: add Document event
hellux Oct 31, 2025
35cfef9
html: mut out: W => out: &mut W
hellux Oct 30, 2025
63b3fe2
html: render epilogue on End(Document) event
hellux Oct 31, 2025
4218738
lib Render: render one event at a time
hellux Nov 1, 2025
9f00f94
lib: add Filter trait
hellux Nov 3, 2025
cdb2a71
fixup! lib Render: render one event at a time
hellux Nov 17, 2025
df03162
afl: fix lifetime warning
hellux Nov 17, 2025
e46c080
fixup! lib Render: render one event at a time
hellux Nov 17, 2025
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12 changes: 11 additions & 1 deletion src/block.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ pub enum Leaf<'s> {

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Container<'s> {
Document,
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@dpc dpc Nov 18, 2025

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I like the idea of a document start and end as events.

Blockquote,
Div { class: &'s str },
List { ty: ListType, tight: bool },
Expand Down Expand Up @@ -223,6 +224,8 @@ impl<'s> TreeParser<'s> {

#[must_use]
fn parse(mut self) -> Vec<Event<'s>> {
self.enter(Node::Container(Document), 0..0);

let mut lines = lines(self.src).collect::<Vec<_>>();
let mut line_pos = 0;
while line_pos < lines.len() {
Expand All @@ -239,7 +242,10 @@ impl<'s> TreeParser<'s> {
for _ in std::mem::take(&mut self.open_sections).drain(..) {
self.exit(self.src.len()..self.src.len());
}

self.exit(self.src.len()..self.src.len()); // Document
debug_assert_eq!(self.open, &[]);

self.events
}

Expand Down Expand Up @@ -1317,7 +1323,11 @@ mod test {
($src:expr $(,$($event:expr),* $(,)?)?) => {
let t = super::TreeParser::new($src).parse();
let actual = t.into_iter().map(|ev| (ev.kind, &$src[ev.span])).collect::<Vec<_>>();
let expected = &[$($($event),*,)?];
let expected = &[
(Enter(Container(Document)), ""),
$($($event),*,)?
(Exit(Container(Document)), ""),
];
assert_eq!(
actual,
expected,
Expand Down
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