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//! Collect info for MDX.
use crate::event::{Event, Kind, Name};
use crate::util::slice::{Position, Slice};
use alloc::{string::String, vec, vec::Vec};
pub type Stop = (usize, usize);
#[derive(Debug)]
pub struct Result {
pub value: String,
pub stops: Vec<Stop>,
}
pub fn collect(
events: &[Event],
bytes: &[u8],
from: usize,
names: &[Name],
stop: &[Name],
) -> Result {
let mut result = Result {
value: String::new(),
stops: vec![],
};
let mut index = from;
while index < events.len() {
if events[index].kind == Kind::Enter {
if names.contains(&events[index].name) {
// Include virtual spaces, and assume void.
let value = Slice::from_position(
bytes,
&Position {
start: &events[index].point,
end: &events[index + 1].point,
},
)
.serialize();
result
.stops
.push((result.value.len(), events[index].point.index));
result.value.push_str(&value);
}
} else if stop.contains(&events[index].name) {
break;
}
index += 1;
}
result
}
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