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This commit is contained in:
Zac Pullar-Strecker 2020-08-25 16:40:43 +12:00
parent 5452368fad
commit 452afaebe1
2 changed files with 23 additions and 18 deletions
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18
crates/hir/src/code_model.rs
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@ -126,13 +126,16 @@ impl Crate {
}
/// Try to get the root URL of the documentation of a crate.
pub fn get_doc_url(self: &Crate, db: &dyn HirDatabase) -> Option<String> {
pub fn get_html_root_url(self: &Crate, db: &dyn HirDatabase) -> Option<String> {
// Look for #![doc(html_root_url = "...")]
let attrs = db.attrs(AttrDef::from(self.root_module(db)).into());
let doc_attr_q = attrs.by_key("doc");
let doc_url = if doc_attr_q.exists() {
doc_attr_q.tt_values().map(|tt| {
if !doc_attr_q.exists() {
return None;
}
let doc_url = doc_attr_q.tt_values().map(|tt| {
let name = tt.token_trees.iter()
.skip_while(|tt| !matches!(tt, TokenTree::Leaf(Leaf::Ident(Ident{text: ref ident, ..})) if ident == "html_root_url"))
.skip(2)
@ -142,14 +145,9 @@ impl Crate {
Some(TokenTree::Leaf(Leaf::Literal(Literal{ref text, ..}))) => Some(text),
_ => None
}
}).flat_map(|t| t).next().map(|s| s.to_string())
} else {
None
};
}).flat_map(|t| t).next();
doc_url
.map(|s| s.trim_matches('"').trim_end_matches("/").to_owned() + "/")
.map(|s| s.to_string())
doc_url.map(|s| s.trim_matches('"').trim_end_matches("/").to_owned() + "/")
}
}