1use serde::de::value::BorrowedStrDeserializer;
2use serde::de::IntoDeserializer;
3
4use crate::de::Error;
5
6pub(crate) struct DatetimeDeserializer {
7 date: Option<crate::Datetime>,
8}
9
10impl DatetimeDeserializer {
11 pub(crate) fn new(date: crate::Datetime) -> Self {
12 Self { date: Some(date) }
13 }
14}
15
16impl<'de> serde::de::MapAccess<'de> for DatetimeDeserializer {
17 type Error = Error;
18
19 fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Error>
20 where
21 K: serde::de::DeserializeSeed<'de>,
22 {
23 if self.date.is_some() {
24 seed.deserialize(BorrowedStrDeserializer::new(
25 toml_datetime::__unstable::FIELD,
26 ))
27 .map(Some)
28 } else {
29 Ok(None)
30 }
31 }
32
33 fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Error>
34 where
35 V: serde::de::DeserializeSeed<'de>,
36 {
37 if let Some(date) = self.date.take() {
38 seed.deserialize(date.to_string().into_deserializer())
39 } else {
40 panic!("next_value_seed called before next_key_seed")
41 }
42 }
43}
44