A, B, C, D, E, F, G, H,
}
+#[derive(Serialize, Deserialize, EnumSetType, Debug)]
+#[enumset(serialize_as_map)]
+#[serde(crate="serde2")]
+pub enum MapEnum {
+ A, B, C, D, E, F, G, H,
+}
+
#[derive(EnumSetType, Debug)]
#[enumset(serialize_repr = "u128")]
pub enum ReprEnum {
fn test_json_reprs() {
assert_eq!(ListEnum::A | ListEnum::C | ListEnum::F,
serde_json::from_str::<EnumSet<ListEnum>>(r#"["A","C","F"]"#).unwrap());
+ assert_eq!(MapEnum::A | MapEnum::C | MapEnum::F,
+ serde_json::from_str::<EnumSet<MapEnum>>(r#"{"A":true,"C":true,"F":true}"#).unwrap());
assert_eq!(ReprEnum::A | ReprEnum::C | ReprEnum::D,
serde_json::from_str::<EnumSet<ReprEnum>>("13").unwrap());
assert_eq!(r#"["A","C","F"]"#,
serde_json::to_string(&(ListEnum::A | ListEnum::C | ListEnum::F)).unwrap());
+ assert_eq!(r#"{"A":true,"C":true,"F":true}"#,
+ serde_json::to_string(&(MapEnum::A | MapEnum::C | MapEnum::F)).unwrap());
assert_eq!("13",
serde_json::to_string(&(ReprEnum::A | ReprEnum::C | ReprEnum::D)).unwrap());
}
tests!(list_enum, serde_test_simple!(ListEnum, !0));
+tests!(map_enum, serde_test_simple!(MapEnum, !0));
tests!(repr_enum, serde_test!(ReprEnum, 16));
tests!(deny_unknown_enum, serde_test_simple!(DenyUnknownEnum, 16));
#[darling(default)]
repr: Option<String>,
serialize_as_list: bool,
+ serialize_as_map: bool,
serialize_deny_unknown: bool,
#[darling(default)]
serialize_repr: Option<String>,
no_super_impls: bool,
/// Serialize the enum as a list.
serialize_as_list: bool,
+ /// Serialize the enum as a map.
+ serialize_as_map: bool,
/// Disallow unknown bits while deserializing the enum.
serialize_deny_unknown: bool,
}
no_ops: attrs.no_ops,
no_super_impls: attrs.no_super_impls,
serialize_as_list: attrs.serialize_as_list,
+ serialize_as_map: attrs.serialize_as_map,
serialize_deny_unknown: attrs.serialize_deny_unknown,
}
}
de.deserialize_seq(Visitor)
}
}
+ } else if info.serialize_as_map {
+ let expecting_str = format!("a map from {} to bool", name);
+ quote! {
+ fn serialize<S: #serde::Serializer>(
+ set: #enumset::EnumSet<#name>, ser: S,
+ ) -> #core::result::Result<S::Ok, S::Error> {
+ use #serde::ser::SerializeMap;
+ let mut map = ser.serialize_map(#core::prelude::v1::Some(set.len()))?;
+ for bit in set {
+ map.serialize_entry(&bit, &true)?;
+ }
+ map.end()
+ }
+ fn deserialize<'de, D: #serde::Deserializer<'de>>(
+ de: D,
+ ) -> #core::result::Result<#enumset::EnumSet<#name>, D::Error> {
+ struct Visitor;
+ impl <'de> #serde::de::Visitor<'de> for Visitor {
+ type Value = #enumset::EnumSet<#name>;
+ fn expecting(
+ &self, formatter: &mut #core::fmt::Formatter,
+ ) -> #core::fmt::Result {
+ write!(formatter, #expecting_str)
+ }
+ fn visit_map<A>(
+ mut self, mut map: A,
+ ) -> #core::result::Result<Self::Value, A::Error> where
+ A: #serde::de::MapAccess<'de>
+ {
+ let mut accum = #enumset::EnumSet::<#name>::new();
+ while let #core::prelude::v1::Some((val, true)) = map.next_entry::<#name, bool>()? {
+ accum |= val;
+ }
+ #core::prelude::v1::Ok(accum)
+ }
+ }
+ de.deserialize_map(Visitor)
+ }
+ }
} else {
let serialize_repr = info.serde_repr();
let check_unknown = if info.serialize_deny_unknown {