forked from lavina/lavina
63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
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use super::*;
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use derive_more::From;
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#[derive(Default, Debug, PartialEq, Eq)]
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pub struct Ignore;
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#[derive(From)]
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pub struct IgnoreParser(IgnoreParserInner);
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enum IgnoreParserInner {
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Initial,
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InTag { name: Vec<u8>, depth: u8 },
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}
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impl Parser for IgnoreParser {
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type Output = Result<Ignore>;
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fn consume<'a>(
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self: Self,
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namespace: ResolveResult,
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event: &Event<'a>,
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) -> Continuation<Self, Self::Output> {
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match self.0 {
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IgnoreParserInner::Initial => match event {
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Event::Start(bytes) => {
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let name = bytes.name().0.to_owned();
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Continuation::Continue(IgnoreParserInner::InTag { name, depth: 0 }.into())
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}
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Event::Empty(_) => Continuation::Final(Ok(Ignore)),
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_ => Continuation::Final(Ok(Ignore)),
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},
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IgnoreParserInner::InTag { name, depth } => match event {
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Event::End(bytes) if name == bytes.name().0 => {
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if depth == 0 {
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Continuation::Final(Ok(Ignore))
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} else {
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Continuation::Continue(
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IgnoreParserInner::InTag {
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name,
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depth: depth - 1,
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}
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.into(),
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)
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}
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}
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_ => Continuation::Final(Ok(Ignore)),
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},
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}
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}
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}
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impl FromXml for Ignore {
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type P = IgnoreParser;
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fn parse() -> Self::P {
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IgnoreParserInner::Initial.into()
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}
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}
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impl ToXml for () {
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fn serialize(&self, events: &mut Vec<Event<'static>>) {}
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}
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