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Code Issues Releases Wiki Activity

Make the deserialization support correctly optional documents

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This commit is contained in:
Clément Renault 2019-11-05 15:03:18 +01:00
parent a127b72a74
commit 68c0a36b00
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GPG key ID: 92ADA4E935E71FA4
3 changed files with 109 additions and 13 deletions
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32
meilidb-core/src/serde/deserializer.rs
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@ -63,13 +63,14 @@ impl<'de, 'a, 'b> de::Deserializer<'de> for &'b mut Deserializer<'a> {
where
V: de::Visitor<'de>,
{
self.deserialize_map(visitor)
self.deserialize_option(visitor)
}
forward_to_deserialize_any! {
bool i8 i16 i32 i64 i128 u8 u16 u32 u64 u128 f32 f64 char str string
bytes byte_buf option unit unit_struct newtype_struct seq tuple
tuple_struct struct enum identifier ignored_any
fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: de::Visitor<'de>,
{
self.deserialize_map(visitor)
}
fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>
@ -104,16 +105,29 @@ impl<'de, 'a, 'b> de::Deserializer<'de> for &'b mut Deserializer<'a> {
}
});
let map_deserializer = de::value::MapDeserializer::new(iter);
let result = visitor
.visit_map(map_deserializer)
.map_err(DeserializerError::from);
let mut iter = iter.peekable();
let result = match iter.peek() {
Some(_) => {
let map_deserializer = de::value::MapDeserializer::new(iter);
visitor
.visit_some(map_deserializer)
.map_err(DeserializerError::from)
}
None => visitor.visit_none(),
};
match error.take() {
Some(error) => Err(error.into()),
None => result,
}
}
forward_to_deserialize_any! {
bool i8 i16 i32 i64 i128 u8 u16 u32 u64 u128 f32 f64 char str string
bytes byte_buf unit unit_struct newtype_struct seq tuple
tuple_struct struct enum identifier ignored_any
}
}
struct Value(SerdeJsonDeserializer<SerdeJsonIoRead<Cursor<Vec<u8>>>>);