Links! (#43)

Co-authored-by: Laurenz <laurmaedje@gmail.com>

2 files changed, 17 insertions, 1 deletions

diff --git a/src/library/mod.rs b/src/library/mod.rs
index 44f1f01f..9d25a008 100644
--- a/src/library/mod.rs
+++ b/src/library/mod.rs
@@ -35,6 +35,7 @@ pub fn new() -> Scope {
     std.def_func("strike", strike);
     std.def_func("underline", underline);
     std.def_func("overline", overline);
+    std.def_func("link", link);
 
     // Layout.
     std.def_func("page", page);
diff --git a/src/library/text.rs b/src/library/text.rs
index bde2a9aa..cfd2de99 100644
--- a/src/library/text.rs
+++ b/src/library/text.rs
@@ -1,4 +1,4 @@
-use crate::eval::{FontState, LineState};
+use crate::eval::{Decoration, FontState, LineState};
 use crate::layout::Paint;
 
 use super::*;
@@ -197,3 +197,18 @@ fn line_impl(
 
     Ok(Value::Template(template))
 }
+
+/// `link`: Set a link.
+pub fn link(_: &mut EvalContext, args: &mut Arguments) -> TypResult<Value> {
+    let url = args.expect::<Str>("url")?;
+
+    let mut body = args.eat().unwrap_or_else(|| {
+        let mut template = Template::new();
+        template.text(&url);
+        template
+    });
+
+    body.decorate(Decoration::Link(url.into()));
+
+    Ok(Value::Template(body))
+}