diff options
Diffstat (limited to 'third_party/rust/serde_json/src/value/de.rs')
-rw-r--r-- | third_party/rust/serde_json/src/value/de.rs | 94 |
1 files changed, 70 insertions, 24 deletions
diff --git a/third_party/rust/serde_json/src/value/de.rs b/third_party/rust/serde_json/src/value/de.rs index 9c266d08ae..936725635f 100644 --- a/third_party/rust/serde_json/src/value/de.rs +++ b/third_party/rust/serde_json/src/value/de.rs @@ -1,4 +1,4 @@ -use crate::error::Error; +use crate::error::{Error, ErrorCode}; use crate::map::Map; use crate::number::Number; use crate::value::Value; @@ -106,15 +106,15 @@ impl<'de> Deserialize<'de> for Value { where V: MapAccess<'de>, { - match visitor.next_key_seed(KeyClassifier)? { + match tri!(visitor.next_key_seed(KeyClassifier)) { #[cfg(feature = "arbitrary_precision")] Some(KeyClass::Number) => { - let number: NumberFromString = visitor.next_value()?; + let number: NumberFromString = tri!(visitor.next_value()); Ok(Value::Number(number.value)) } #[cfg(feature = "raw_value")] Some(KeyClass::RawValue) => { - let value = visitor.next_value_seed(crate::raw::BoxedFromString)?; + let value = tri!(visitor.next_value_seed(crate::raw::BoxedFromString)); crate::from_str(value.get()).map_err(de::Error::custom) } Some(KeyClass::Map(first_key)) => { @@ -219,6 +219,8 @@ impl<'de> serde::Deserializer<'de> for Value { Value::Number(n) => n.deserialize_any(visitor), #[cfg(any(feature = "std", feature = "alloc"))] Value::String(v) => visitor.visit_string(v), + #[cfg(not(any(feature = "std", feature = "alloc")))] + Value::String(_) => unreachable!(), Value::Array(v) => visit_array(v, visitor), Value::Object(v) => visit_object(v, visitor), } @@ -482,6 +484,14 @@ impl<'de> IntoDeserializer<'de, Error> for Value { } } +impl<'de> IntoDeserializer<'de, Error> for &'de Value { + type Deserializer = Self; + + fn into_deserializer(self) -> Self::Deserializer { + self + } +} + struct VariantDeserializer { value: Option<Value>, } @@ -1120,18 +1130,30 @@ struct MapKeyDeserializer<'de> { key: Cow<'de, str>, } -macro_rules! deserialize_integer_key { - ($method:ident => $visit:ident) => { +macro_rules! deserialize_numeric_key { + ($method:ident) => { + deserialize_numeric_key!($method, deserialize_number); + }; + + ($method:ident, $using:ident) => { fn $method<V>(self, visitor: V) -> Result<V::Value, Error> where V: Visitor<'de>, { - match (self.key.parse(), self.key) { - (Ok(integer), _) => visitor.$visit(integer), - (Err(_), Cow::Borrowed(s)) => visitor.visit_borrowed_str(s), - #[cfg(any(feature = "std", feature = "alloc"))] - (Err(_), Cow::Owned(s)) => visitor.visit_string(s), + let mut de = crate::Deserializer::from_str(&self.key); + + match tri!(de.peek()) { + Some(b'0'..=b'9' | b'-') => {} + _ => return Err(Error::syntax(ErrorCode::ExpectedNumericKey, 0, 0)), + } + + let number = tri!(de.$using(visitor)); + + if tri!(de.peek()).is_some() { + return Err(Error::syntax(ErrorCode::ExpectedNumericKey, 0, 0)); } + + Ok(number) } }; } @@ -1146,16 +1168,38 @@ impl<'de> serde::Deserializer<'de> for MapKeyDeserializer<'de> { BorrowedCowStrDeserializer::new(self.key).deserialize_any(visitor) } - deserialize_integer_key!(deserialize_i8 => visit_i8); - deserialize_integer_key!(deserialize_i16 => visit_i16); - deserialize_integer_key!(deserialize_i32 => visit_i32); - deserialize_integer_key!(deserialize_i64 => visit_i64); - deserialize_integer_key!(deserialize_i128 => visit_i128); - deserialize_integer_key!(deserialize_u8 => visit_u8); - deserialize_integer_key!(deserialize_u16 => visit_u16); - deserialize_integer_key!(deserialize_u32 => visit_u32); - deserialize_integer_key!(deserialize_u64 => visit_u64); - deserialize_integer_key!(deserialize_u128 => visit_u128); + deserialize_numeric_key!(deserialize_i8); + deserialize_numeric_key!(deserialize_i16); + deserialize_numeric_key!(deserialize_i32); + deserialize_numeric_key!(deserialize_i64); + deserialize_numeric_key!(deserialize_u8); + deserialize_numeric_key!(deserialize_u16); + deserialize_numeric_key!(deserialize_u32); + deserialize_numeric_key!(deserialize_u64); + #[cfg(not(feature = "float_roundtrip"))] + deserialize_numeric_key!(deserialize_f32); + deserialize_numeric_key!(deserialize_f64); + + #[cfg(feature = "float_roundtrip")] + deserialize_numeric_key!(deserialize_f32, do_deserialize_f32); + deserialize_numeric_key!(deserialize_i128, do_deserialize_i128); + deserialize_numeric_key!(deserialize_u128, do_deserialize_u128); + + fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Error> + where + V: Visitor<'de>, + { + if self.key == "true" { + visitor.visit_bool(true) + } else if self.key == "false" { + visitor.visit_bool(false) + } else { + Err(serde::de::Error::invalid_type( + Unexpected::Str(&self.key), + &visitor, + )) + } + } #[inline] fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Error> @@ -1193,8 +1237,8 @@ impl<'de> serde::Deserializer<'de> for MapKeyDeserializer<'de> { } forward_to_deserialize_any! { - bool f32 f64 char str string bytes byte_buf unit unit_struct seq tuple - tuple_struct map struct identifier ignored_any + char str string bytes byte_buf unit unit_struct seq tuple tuple_struct + map struct identifier ignored_any } } @@ -1297,6 +1341,8 @@ impl<'de> de::Deserializer<'de> for BorrowedCowStrDeserializer<'de> { Cow::Borrowed(string) => visitor.visit_borrowed_str(string), #[cfg(any(feature = "std", feature = "alloc"))] Cow::Owned(string) => visitor.visit_string(string), + #[cfg(not(any(feature = "std", feature = "alloc")))] + Cow::Owned(_) => unreachable!(), } } @@ -1327,7 +1373,7 @@ impl<'de> de::EnumAccess<'de> for BorrowedCowStrDeserializer<'de> { where T: de::DeserializeSeed<'de>, { - let value = seed.deserialize(self)?; + let value = tri!(seed.deserialize(self)); Ok((value, UnitOnly)) } } |