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use crate::syntax::*;
use crate::workspace::*;
use futures_boxed::boxed;
use lsp_types::{DocumentLink, DocumentLinkParams};
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct LatexIncludeLinkProvider;
impl FeatureProvider for LatexIncludeLinkProvider {
type Params = DocumentLinkParams;
type Output = Vec<DocumentLink>;
#[boxed]
async fn execute<'a>(
&'a self,
request: &'a FeatureRequest<DocumentLinkParams>,
) -> Vec<DocumentLink> {
if let SyntaxTree::Latex(tree) = &request.document().tree {
return tree
.includes
.iter()
.flat_map(|include| Self::resolve(request, include))
.collect();
}
Vec::new()
}
}
impl LatexIncludeLinkProvider {
fn resolve(
request: &FeatureRequest<DocumentLinkParams>,
include: &LatexInclude,
) -> Vec<DocumentLink> {
let mut links = Vec::new();
let paths = include.paths();
for (i, targets) in include.all_targets.iter().enumerate() {
for target in targets {
if let Some(link) = request
.workspace()
.find(target)
.map(|document| DocumentLink {
range: paths[i].range(),
target: document.uri.clone().into(),
})
{
links.push(link);
}
}
}
links
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::range::RangeExt;
use lsp_types::{Position, Range};
#[test]
fn test_has_links() {
let links = test_feature(
LatexIncludeLinkProvider,
FeatureSpec {
files: vec![
FeatureSpec::file("foo.tex", "\\input{bar.tex}"),
FeatureSpec::file("bar.tex", ""),
],
main_file: "foo.tex",
position: Position::new(0, 15),
..FeatureSpec::default()
},
);
assert_eq!(
links,
vec![DocumentLink {
range: Range::new_simple(0, 7, 0, 14),
target: FeatureSpec::uri("bar.tex"),
}]
);
}
#[test]
fn test_no_links_latex() {
let links = test_feature(
LatexIncludeLinkProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.tex", "")],
main_file: "foo.tex",
position: Position::new(0, 15),
..FeatureSpec::default()
},
);
assert!(links.is_empty());
}
#[test]
fn test_no_links_bibtex() {
let links = test_feature(
LatexIncludeLinkProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "")],
main_file: "foo.bib",
position: Position::new(0, 15),
..FeatureSpec::default()
},
);
assert!(links.is_empty());
}
}
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