use crate::de::Read;
use crate::{Deserializer, Error};
use serde::Deserialize;
use std::marker::PhantomData;
pub struct StreamDeserializer<'de, R, T> {
pub(crate) de: Deserializer<'de, R>,
pub(crate) done: bool,
pub(crate) _p: PhantomData<T>,
}
impl<'de, R, T> Iterator for StreamDeserializer<'de, R, T>
where
R: Read<'de>,
T: Deserialize<'de>,
{
type Item = Result<T, Error>;
fn next(&mut self) -> Option<Self::Item> {
if self.done {
return None;
}
match self.de.reader.peek() {
Ok(Some(0xff)) => {
self.de.reader.consume();
self.done = true;
return None;
}
Ok(Some(_)) => {}
Ok(None) => {
self.done = true;
return None;
}
Err(e) => {
self.done = true;
return Some(Err(e));
}
}
match T::deserialize(&mut self.de) {
Ok(value) => Some(Ok(value)),
Err(e) => {
self.done = true;
Some(Err(e))
}
}
}
}