cadmpeg-ir 0.6.5

CAD data model, validation, diffing, and codec API for cadmpeg.
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// SPDX-License-Identifier: Apache-2.0
//! Borrow local and external reference tokens during serialization.

use super::ReferenceTarget;
use serde::{Serialize, Serializer};

impl Serialize for ReferenceTarget {
    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        #[derive(Serialize)]
        #[serde(tag = "kind", rename_all = "snake_case")]
        enum Wire<'a> {
            Null {},
            Local { target: &'a str },
            External { document: &'a str, object: &'a str },
        }
        match self {
            Self::Null => Wire::Null {},
            Self::Local(target) => Wire::Local { target },
            Self::External { document, object } => Wire::External { document, object },
        }
        .serialize(serializer)
    }
}