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use crate::de::Error;
pub(crate) struct ArrayDeserializer {
input: Vec<crate::Item>,
span: Option<std::ops::Range<usize>>,
}
impl ArrayDeserializer {
pub(crate) fn new(input: Vec<crate::Item>, span: Option<std::ops::Range<usize>>) -> Self {
Self { input, span }
}
}
// Note: this is wrapped by `ValueDeserializer` and any trait methods
// implemented here need to be wrapped there
impl<'de> serde::Deserializer<'de> for ArrayDeserializer {
type Error = Error;
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: serde::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::de::Visitor<'de>,
{
if serde_spanned::__unstable::is_spanned(name, fields) {
if let Some(span) = self.span.clone() {
return visitor.visit_map(super::SpannedDeserializer::new(self, span));
}
}
self.deserialize_any(visitor)
}
serde::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::de::IntoDeserializer<'de, crate::de::Error> for ArrayDeserializer {
type Deserializer = Self;
fn into_deserializer(self) -> Self::Deserializer {
self
}
}
impl crate::Array {
pub(crate) fn into_deserializer(self) -> ArrayDeserializer {
ArrayDeserializer::new(self.values, self.span)
}
}
impl crate::ArrayOfTables {
pub(crate) fn into_deserializer(self) -> ArrayDeserializer {
ArrayDeserializer::new(self.values, self.span)
}
}
pub(crate) struct ArraySeqAccess {
iter: std::vec::IntoIter<crate::Item>,
}
impl ArraySeqAccess {
pub(crate) fn new(input: Vec<crate::Item>) -> Self {
Self {
iter: input.into_iter(),
}
}
}
impl<'de> serde::de::SeqAccess<'de> for ArraySeqAccess {
type Error = Error;
fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error>
where
T: serde::de::DeserializeSeed<'de>,
{
match self.iter.next() {
Some(v) => seed
.deserialize(crate::de::ValueDeserializer::new(v))
.map(Some),
None => Ok(None),
}
}
}
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