summaryrefslogtreecommitdiff
path: root/support/texlab/src/features/link.rs
diff options
context:
space:
mode:
Diffstat (limited to 'support/texlab/src/features/link.rs')
-rw-r--r--support/texlab/src/features/link.rs115
1 files changed, 115 insertions, 0 deletions
diff --git a/support/texlab/src/features/link.rs b/support/texlab/src/features/link.rs
new file mode 100644
index 0000000000..a6016c9f76
--- /dev/null
+++ b/support/texlab/src/features/link.rs
@@ -0,0 +1,115 @@
+use cancellation::CancellationToken;
+use lsp_types::{DocumentLink, DocumentLinkParams};
+
+use crate::LineIndexExt;
+
+use super::FeatureRequest;
+
+pub fn find_document_links(
+ request: FeatureRequest<DocumentLinkParams>,
+ cancellation_token: &CancellationToken,
+) -> Vec<DocumentLink> {
+ let mut links = Vec::new();
+ let main_document = request.main_document();
+ if let Some(data) = main_document.data.as_latex() {
+ for include in &data.extras.explicit_links {
+ for target in &include.targets {
+ if cancellation_token.is_canceled() {
+ return links;
+ }
+
+ if request
+ .subset
+ .documents
+ .iter()
+ .any(|document| document.uri.as_ref() == target.as_ref())
+ {
+ links.push(DocumentLink {
+ range: main_document
+ .line_index
+ .line_col_lsp_range(include.stem_range),
+ target: Some(target.as_ref().clone().into()),
+ tooltip: None,
+ data: None,
+ });
+ break;
+ }
+ }
+ }
+ }
+ links
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ use lsp_types::Range;
+
+ use crate::{features::testing::FeatureTester, RangeExt};
+
+ #[test]
+ fn test_empty_latex_document() {
+ let request = FeatureTester::builder()
+ .files(vec![("main.tex", "")])
+ .main("main.tex")
+ .build()
+ .link();
+
+ let items = find_document_links(request, CancellationToken::none());
+ assert!(items.is_empty());
+ }
+
+ #[test]
+ fn test_empty_bibtex_document() {
+ let request = FeatureTester::builder()
+ .files(vec![("main.bib", "")])
+ .main("main.bib")
+ .build()
+ .link();
+
+ let items = find_document_links(request, CancellationToken::none());
+ assert!(items.is_empty());
+ }
+
+ #[test]
+ fn test_includes() {
+ let tester = FeatureTester::builder()
+ .files(vec![("foo.tex", r#"\input{bar.tex}"#), ("bar.tex", r#""#)])
+ .main("foo.tex")
+ .build();
+ let target = tester.uri("bar.tex");
+
+ let actual_items = find_document_links(tester.link(), CancellationToken::none());
+
+ let expected_items = vec![DocumentLink {
+ range: Range::new_simple(0, 7, 0, 14),
+ target: Some(target.as_ref().clone().into()),
+ tooltip: None,
+ data: None,
+ }];
+ assert_eq!(actual_items, expected_items);
+ }
+
+ #[test]
+ fn test_imports() {
+ let tester = FeatureTester::builder()
+ .files(vec![
+ ("foo.tex", r#"\import{bar/}{baz}"#),
+ ("bar/baz.tex", r#""#),
+ ])
+ .main("foo.tex")
+ .build();
+ let target = tester.uri("bar/baz.tex");
+
+ let actual_items = find_document_links(tester.link(), CancellationToken::none());
+
+ let expected_items = vec![DocumentLink {
+ range: Range::new_simple(0, 14, 0, 17),
+ target: Some(target.as_ref().clone().into()),
+ tooltip: None,
+ data: None,
+ }];
+ assert_eq!(actual_items, expected_items);
+ }
+}