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fix: doc url link type

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This commit is contained in:
rainy-me 2022-05-05 00:41:29 +09:00
parent 0ee4e6a22d
commit 5f4351fbb6
4 changed files with 82 additions and 33 deletions
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19
crates/hir/src/lib.rs
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@ -75,7 +75,6 @@ use syntax::{
ast::{self, HasAttrs as _, HasDocComments, HasName},
AstNode, AstPtr, SmolStr, SyntaxNodePtr, T,
};
use tt::{Ident, Leaf, Literal, TokenTree};
use crate::db::{DefDatabase, HirDatabase};
@ -230,23 +229,7 @@ impl Crate {
pub fn get_html_root_url(self: &Crate, db: &dyn HirDatabase) -> Option<String> {
// Look for #![doc(html_root_url = "...")]
let attrs = db.attrs(AttrDefId::ModuleId(self.root_module(db).into()));
let doc_attr_q = attrs.by_key("doc");
if !doc_attr_q.exists() {
return None;
}
let doc_url = doc_attr_q.tt_values().filter_map(|tt| {
let name = tt.token_trees.iter()
.skip_while(|tt| !matches!(tt, TokenTree::Leaf(Leaf::Ident(Ident { text, ..} )) if text == "html_root_url"))
.nth(2);
match name {
Some(TokenTree::Leaf(Leaf::Literal(Literal{ref text, ..}))) => Some(text),
_ => None
}
}).next();
let doc_url = attrs.by_key("doc").find_string_value_in_tt("html_root_url");
doc_url.map(|s| s.trim_matches('"').trim_end_matches('/').to_owned() + "/")
}