typst/library/src/meta/reference.rs
2022-12-02 13:21:36 +01:00

27 lines
627 B
Rust

use crate::prelude::*;
use crate::text::TextNode;
/// A reference to a label.
#[derive(Debug, Hash)]
pub struct RefNode(pub EcoString);
#[node(Show)]
impl RefNode {
fn construct(_: &Vm, args: &mut Args) -> SourceResult<Content> {
Ok(Self(args.expect("target")?).pack())
}
fn field(&self, name: &str) -> Option<Value> {
match name {
"target" => Some(Value::Str(self.0.clone().into())),
_ => None,
}
}
}
impl Show for RefNode {
fn show(&self, _: &mut Vt, _: &Content, _: StyleChain) -> Content {
TextNode::packed(format_eco!("@{}", self.0))
}
}