automerge/automerge/src/legacy/serde_impls/object_id.rs
2021-12-16 20:39:08 -05:00

36 lines
948 B
Rust

use std::str::FromStr;
use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
use crate::legacy::{ObjectId, OpId};
impl Serialize for ObjectId {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
match self {
ObjectId::Id(id) => id.serialize(serializer),
ObjectId::Root => serializer.serialize_str("_root"),
}
}
}
impl<'de> Deserialize<'de> for ObjectId {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
if s == "_root" {
Ok(ObjectId::Root)
} else if let Ok(id) = OpId::from_str(&s) {
Ok(ObjectId::Id(id))
} else {
Err(de::Error::invalid_value(
de::Unexpected::Str(&s),
&"A valid ObjectID",
))
}
}
}