1use crate::de::Error;
2
3pub(crate) struct ArrayDeserializer {
4 input: Vec<crate::Item>,
5 span: Option<std::ops::Range<usize>>,
6}
7
8impl ArrayDeserializer {
9 pub(crate) fn new(input: Vec<crate::Item>, span: Option<std::ops::Range<usize>>) -> Self {
10 Self { input, span }
11 }
12}
13
14// Note: this is wrapped by `ValueDeserializer` and any trait methods
15// implemented here need to be wrapped there
16impl<'de> serde::Deserializer<'de> for ArrayDeserializer {
17 type Error = Error;
18
19 fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
20 where
21 V: serde::de::Visitor<'de>,
22 {
23 visitor.visit_seq(ArraySeqAccess::new(self.input))
24 }
25
26 fn deserialize_struct<V>(
27 self,
28 name: &'static str,
29 fields: &'static [&'static str],
30 visitor: V,
31 ) -> Result<V::Value, Error>
32 where
33 V: serde::de::Visitor<'de>,
34 {
35 if serde_spanned::__unstable::is_spanned(name, fields) {
36 if let Some(span) = self.span.clone() {
37 return visitor.visit_map(super::SpannedDeserializer::new(self, span));
38 }
39 }
40
41 self.deserialize_any(visitor)
42 }
43
44 serde::forward_to_deserialize_any! {
45 bool u8 u16 u32 u64 i8 i16 i32 i64 f32 f64 char str string seq
46 bytes byte_buf map option unit newtype_struct
47 ignored_any unit_struct tuple_struct tuple enum identifier
48 }
49}
50
51impl serde::de::IntoDeserializer<'_, Error> for ArrayDeserializer {
52 type Deserializer = Self;
53
54 fn into_deserializer(self) -> Self::Deserializer {
55 self
56 }
57}
58
59impl crate::Array {
60 pub(crate) fn into_deserializer(self) -> ArrayDeserializer {
61 ArrayDeserializer::new(self.values, self.span)
62 }
63}
64
65impl crate::ArrayOfTables {
66 pub(crate) fn into_deserializer(self) -> ArrayDeserializer {
67 ArrayDeserializer::new(self.values, self.span)
68 }
69}
70
71pub(crate) struct ArraySeqAccess {
72 iter: std::vec::IntoIter<crate::Item>,
73}
74
75impl ArraySeqAccess {
76 pub(crate) fn new(input: Vec<crate::Item>) -> Self {
77 Self {
78 iter: input.into_iter(),
79 }
80 }
81}
82
83impl<'de> serde::de::SeqAccess<'de> for ArraySeqAccess {
84 type Error = Error;
85
86 fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error>
87 where
88 T: serde::de::DeserializeSeed<'de>,
89 {
90 match self.iter.next() {
91 Some(v: Item) => seed
92 .deserialize(crate::de::ValueDeserializer::new(v))
93 .map(op:Some),
94 None => Ok(None),
95 }
96 }
97}
98