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-rw-r--r--support/texlab/src/hover/bibtex/string_reference.rs165
1 files changed, 0 insertions, 165 deletions
diff --git a/support/texlab/src/hover/bibtex/string_reference.rs b/support/texlab/src/hover/bibtex/string_reference.rs
deleted file mode 100644
index 46724a4f60..0000000000
--- a/support/texlab/src/hover/bibtex/string_reference.rs
+++ /dev/null
@@ -1,165 +0,0 @@
-use crate::{
- feature::{FeatureProvider, FeatureRequest},
- protocol::{
- BibtexFormattingOptions, Hover, HoverContents, MarkupContent, MarkupKind, Position,
- TextDocumentPositionParams,
- },
- syntax::{bibtex, SyntaxNode},
-};
-use async_trait::async_trait;
-use petgraph::graph::NodeIndex;
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy, Default)]
-pub struct BibtexStringReferenceHoverProvider;
-
-#[async_trait]
-impl FeatureProvider for BibtexStringReferenceHoverProvider {
- type Params = TextDocumentPositionParams;
- type Output = Option<Hover>;
-
- async fn execute<'a>(&'a self, req: &'a FeatureRequest<Self::Params>) -> Self::Output {
- let tree = req.current().content.as_bibtex()?;
- let reference = Self::find_reference(tree, req.params.position)?;
- for string_node in tree.children(tree.root) {
- let hover = Self::find_definition(tree, string_node, reference);
- if hover.is_some() {
- return hover;
- }
- }
- None
- }
-}
-
-impl BibtexStringReferenceHoverProvider {
- fn find_reference(tree: &bibtex::Tree, pos: Position) -> Option<&bibtex::Token> {
- let mut results = tree.find(pos);
- results.reverse();
- match (
- &tree.graph[results[0]],
- results.get(1).map(|node| &tree.graph[*node]),
- ) {
- (bibtex::Node::Word(reference), Some(bibtex::Node::Concat(_))) => {
- Some(&reference.token)
- }
- (bibtex::Node::Word(reference), Some(bibtex::Node::Field(_))) => Some(&reference.token),
- _ => None,
- }
- }
-
- fn find_definition(
- tree: &bibtex::Tree,
- string_node: NodeIndex,
- reference: &bibtex::Token,
- ) -> Option<Hover> {
- let string = tree.as_string(string_node)?;
- if string.name.as_ref()?.text() != reference.text() {
- return None;
- }
-
- let options = BibtexFormattingOptions {
- line_length: None,
- formatter: None,
- };
- let text = bibtex::format(
- tree,
- tree.children(string_node).next()?,
- bibtex::FormattingParams {
- tab_size: 4,
- insert_spaces: true,
- options: &options,
- },
- );
- Some(Hover {
- contents: HoverContents::Markup(MarkupContent {
- kind: MarkupKind::PlainText,
- value: text,
- }),
- range: Some(reference.range()),
- })
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
- use crate::{
- feature::FeatureTester,
- protocol::{Range, RangeExt},
- };
- use indoc::indoc;
-
- #[tokio::test]
- async fn empty_latex_document() {
- let actual_hover = FeatureTester::new()
- .file("main.tex", "")
- .main("main.tex")
- .position(0, 0)
- .test_position(BibtexStringReferenceHoverProvider)
- .await;
-
- assert_eq!(actual_hover, None);
- }
-
- #[tokio::test]
- async fn empty_bibtex_document() {
- let actual_hover = FeatureTester::new()
- .file("main.bib", "")
- .main("main.bib")
- .position(0, 0)
- .test_position(BibtexStringReferenceHoverProvider)
- .await;
-
- assert_eq!(actual_hover, None);
- }
-
- #[tokio::test]
- async fn inside_reference() {
- let actual_hover = FeatureTester::new()
- .file(
- "main.bib",
- indoc!(
- r#"
- @string{foo = "Foo"}
- @string{bar = "Bar"}
- @article{baz, author = bar}
- "#
- ),
- )
- .main("main.bib")
- .position(2, 24)
- .test_position(BibtexStringReferenceHoverProvider)
- .await
- .unwrap();
-
- let expected_hover = Hover {
- contents: HoverContents::Markup(MarkupContent {
- kind: MarkupKind::PlainText,
- value: "\"Bar\"".into(),
- }),
- range: Some(Range::new_simple(2, 23, 2, 26)),
- };
-
- assert_eq!(actual_hover, expected_hover);
- }
-
- #[tokio::test]
- async fn outside_reference() {
- let actual_hover = FeatureTester::new()
- .file(
- "main.bib",
- indoc!(
- r#"
- @string{foo = "Foo"}
- @string{bar = "Bar"}
- @article{baz, author = bar}
- "#
- ),
- )
- .main("main.bib")
- .position(2, 20)
- .test_position(BibtexStringReferenceHoverProvider)
- .await;
-
- assert_eq!(actual_hover, None);
- }
-}