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