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-rw-r--r--support/texlab/src/features/definition/document.rs112
1 files changed, 112 insertions, 0 deletions
diff --git a/support/texlab/src/features/definition/document.rs b/support/texlab/src/features/definition/document.rs
new file mode 100644
index 0000000000..b2b713f260
--- /dev/null
+++ b/support/texlab/src/features/definition/document.rs
@@ -0,0 +1,112 @@
+use cancellation::CancellationToken;
+use lsp_types::{GotoDefinitionParams, LocationLink, Range};
+
+use crate::{features::cursor::CursorContext, LineIndexExt, RangeExt};
+
+pub fn goto_document_definition(
+ context: &CursorContext<GotoDefinitionParams>,
+ cancellation_token: &CancellationToken,
+) -> Option<Vec<LocationLink>> {
+ let main_document = context.request.main_document();
+ if let Some(data) = main_document.data.as_latex() {
+ for include in data
+ .extras
+ .explicit_links
+ .iter()
+ .filter(|link| link.stem_range.contains_inclusive(context.offset))
+ {
+ for target in &include.targets {
+ cancellation_token.result().ok()?;
+
+ if context
+ .request
+ .subset
+ .documents
+ .iter()
+ .any(|document| document.uri.as_ref() == target.as_ref())
+ {
+ return Some(vec![LocationLink {
+ origin_selection_range: Some(
+ main_document
+ .line_index
+ .line_col_lsp_range(include.stem_range),
+ ),
+ target_uri: target.as_ref().clone().into(),
+ target_range: Range::new_simple(0, 0, 0, 0),
+ target_selection_range: Range::new_simple(0, 0, 0, 0),
+ }]);
+ }
+ }
+ }
+ }
+ None
+}
+
+#[cfg(test)]
+mod tests {
+ use lsp_types::Range;
+
+ use crate::{features::testing::FeatureTester, RangeExt};
+
+ use super::*;
+
+ #[test]
+ fn test_empty_latex_document() {
+ let request = FeatureTester::builder()
+ .files(vec![("main.tex", "")])
+ .main("main.tex")
+ .line(0)
+ .character(0)
+ .build()
+ .definition();
+
+ let context = CursorContext::new(request);
+ let actual_links = goto_document_definition(&context, CancellationToken::none());
+
+ assert!(actual_links.is_none());
+ }
+
+ #[test]
+ fn test_empty_bibtex_document() {
+ let request = FeatureTester::builder()
+ .files(vec![("main.bib", "")])
+ .main("main.bib")
+ .line(0)
+ .character(0)
+ .build()
+ .definition();
+
+ let context = CursorContext::new(request);
+ let actual_links = goto_document_definition(&context, CancellationToken::none());
+
+ assert!(actual_links.is_none());
+ }
+
+ #[test]
+ fn test_simple() {
+ let tester = FeatureTester::builder()
+ .files(vec![
+ ("foo.tex", r#"\addbibresource{baz.bib}"#),
+ ("bar.bib", r#"@article{foo, bar = {baz}}"#),
+ ("baz.bib", r#"@article{foo, bar = {baz}}"#),
+ ])
+ .main("foo.tex")
+ .line(0)
+ .character(18)
+ .build();
+ let target_uri = tester.uri("baz.bib").as_ref().clone().into();
+
+ let request = tester.definition();
+ let context = CursorContext::new(request);
+ let actual_links = goto_document_definition(&context, CancellationToken::none()).unwrap();
+
+ let expected_links = vec![LocationLink {
+ origin_selection_range: Some(Range::new_simple(0, 16, 0, 23)),
+ target_uri,
+ target_range: Range::new_simple(0, 0, 0, 0),
+ target_selection_range: Range::new_simple(0, 0, 0, 0),
+ }];
+
+ assert_eq!(actual_links, expected_links);
+ }
+}