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#![warn(missing_docs)]
pub mod error;
use error::{Error, Result};
pub mod spec;
pub use spec::{Document, VERSION};
use serde::{de::DeserializeOwned, Deserialize, Serialize};
use std::marker::PhantomData;
#[derive(Debug, Deserialize, Serialize)]
pub struct Reference<'a, T> {
#[serde(rename = "$ref")]
pub r#ref: String,
#[serde(skip)]
phantom: PhantomData<&'a T>,
}
impl<'a, T> Reference<'a, T>
where
T: DeserializeOwned,
{
fn parts(&self) -> Vec<&str> {
self.r#ref.split('/').skip(1).collect()
}
pub fn resolve(&self, document: &Document) -> Result<T> {
use serde_json::Value::*;
let mut json = serde_json::to_value(&document).expect("failed to serialize document");
for part in self.parts() {
json = json[part].clone();
}
match json {
Null => Err(Error::MissingReferenceTarget {
reference: self.r#ref.clone(),
}),
value => Ok(serde_json::from_value::<T>(value).unwrap()),
}
}
}