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|
use cancellation::CancellationToken;
use lsp_types::{GotoDefinitionParams, LocationLink};
use crate::{
features::cursor::CursorContext,
syntax::{bibtex, latex, CstNode},
LineIndexExt,
};
pub fn goto_entry_definition(
context: &CursorContext<GotoDefinitionParams>,
cancellation_token: &CancellationToken,
) -> Option<Vec<LocationLink>> {
let main_document = context.request.main_document();
let word = context
.cursor
.as_latex()
.filter(|token| token.kind() == latex::WORD)?;
let key = latex::Key::cast(word.parent())?;
latex::Citation::cast(key.syntax().parent()?.parent()?)?;
let origin_selection_range = main_document
.line_index
.line_col_lsp_range(key.small_range());
for document in &context.request.subset.documents {
if let Some(data) = document.data.as_bibtex() {
for entry in data.root.children().filter_map(bibtex::Entry::cast) {
cancellation_token.result().ok()?;
if let Some(key) = entry.key().filter(|k| k.to_string() == key.to_string()) {
return Some(vec![LocationLink {
origin_selection_range: Some(origin_selection_range),
target_uri: document.uri.as_ref().clone().into(),
target_selection_range: document
.line_index
.line_col_lsp_range(key.small_range()),
target_range: document.line_index.line_col_lsp_range(entry.small_range()),
}]);
}
}
}
}
None
}
#[cfg(test)]
mod tests {
use indoc::indoc;
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_entry_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_entry_definition(&context, CancellationToken::none());
assert!(actual_links.is_none());
}
#[test]
fn test_simple() {
let tester = FeatureTester::builder()
.files(vec![
(
"foo.tex",
indoc!(
r#"
\addbibresource{baz.bib}
\cite{foo}
"#
),
),
("bar.bib", r#"@article{foo, bar = {baz}}"#),
("baz.bib", r#"@article{foo, bar = {baz}}"#),
])
.main("foo.tex")
.line(1)
.character(6)
.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_entry_definition(&context, CancellationToken::none()).unwrap();
let expected_links = vec![LocationLink {
origin_selection_range: Some(Range::new_simple(1, 6, 1, 9)),
target_uri,
target_range: Range::new_simple(0, 0, 0, 26),
target_selection_range: Range::new_simple(0, 9, 0, 12),
}];
assert_eq!(actual_links, expected_links);
}
}
|
