darklua_core/utils/
serde_string_or_struct.rsuse std::{fmt, marker::PhantomData, str::FromStr};
use serde::{
de::{value::MapAccessDeserializer, MapAccess, Visitor},
Deserialize, Deserializer,
};
pub(crate) fn string_or_struct<'de, T, D>(deserializer: D) -> Result<T, D::Error>
where
T: Deserialize<'de> + FromStr<Err = String>,
D: Deserializer<'de>,
{
struct StringOrStruct<T>(PhantomData<T>);
impl<'de, T> Visitor<'de> for StringOrStruct<T>
where
T: Deserialize<'de> + FromStr<Err = String>,
{
type Value = T;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("string or object")
}
fn visit_str<E>(self, value: &str) -> Result<T, E>
where
E: serde::de::Error,
{
T::from_str(value).map_err(E::custom)
}
fn visit_map<M>(self, map: M) -> Result<T, M::Error>
where
M: MapAccess<'de>,
{
Deserialize::deserialize(MapAccessDeserializer::new(map))
}
}
deserializer.deserialize_any(StringOrStruct(PhantomData))
}