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use serde_spanned::Spanned;
use crate::de::DeArray;
use crate::de::DeValue;
use crate::de::Error;
pub(crate) struct ArrayDeserializer<'i> {
input: DeArray<'i>,
span: core::ops::Range<usize>,
}
impl<'i> ArrayDeserializer<'i> {
pub(crate) fn new(input: DeArray<'i>, span: core::ops::Range<usize>) -> Self {
Self { input, span }
}
}
impl<'de> serde_core::Deserializer<'de> for ArrayDeserializer<'de> {
type Error = Error;
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: serde_core::de::Visitor<'de>,
{
visitor.visit_seq(ArraySeqAccess::new(self.input))
}
fn deserialize_struct<V>(
self,
name: &'static str,
_fields: &'static [&'static str],
visitor: V,
) -> Result<V::Value, Error>
where
V: serde_core::de::Visitor<'de>,
{
if serde_spanned::de::is_spanned(name) {
let span = self.span.clone();
return visitor.visit_map(super::SpannedDeserializer::new(self, span));
}
self.deserialize_any(visitor)
}
serde_core::forward_to_deserialize_any! {
bool u8 u16 u32 u64 i8 i16 i32 i64 f32 f64 char str string seq
bytes byte_buf map option unit newtype_struct
ignored_any unit_struct tuple_struct tuple enum identifier
}
}
impl<'de> serde_core::de::IntoDeserializer<'de, Error> for ArrayDeserializer<'de> {
type Deserializer = Self;
fn into_deserializer(self) -> Self::Deserializer {
self
}
}
pub(crate) struct ArraySeqAccess<'i> {
iter: alloc::vec::IntoIter<Spanned<DeValue<'i>>>,
}
impl<'i> ArraySeqAccess<'i> {
pub(crate) fn new(input: DeArray<'i>) -> Self {
Self {
iter: input.into_iter(),
}
}
}
impl<'de> serde_core::de::SeqAccess<'de> for ArraySeqAccess<'de> {
type Error = Error;
fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error>
where
T: serde_core::de::DeserializeSeed<'de>,
{
match self.iter.next() {
Some(v) => {
let span = v.span();
let v = v.into_inner();
seed.deserialize(crate::de::ValueDeserializer::with_parts(v, span))
.map(Some)
}
None => Ok(None),
}
}
}