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authorNorbert Preining <norbert@preining.info>2019-12-03 03:01:24 +0000
committerNorbert Preining <norbert@preining.info>2019-12-03 03:01:24 +0000
commitb8d4bb76703bcb15578e2b23c5d256532180b894 (patch)
treebedd1df7a00521a2bd986b3c0289d6556a59e39b /support/texlab/src/hover/latex_include.rs
parent02e4625a78a5029e8b5dc2a4ec70193b232f497e (diff)
CTAN sync 201912030301
Diffstat (limited to 'support/texlab/src/hover/latex_include.rs')
-rw-r--r--support/texlab/src/hover/latex_include.rs104
1 files changed, 104 insertions, 0 deletions
diff --git a/support/texlab/src/hover/latex_include.rs b/support/texlab/src/hover/latex_include.rs
new file mode 100644
index 0000000000..9073d99465
--- /dev/null
+++ b/support/texlab/src/hover/latex_include.rs
@@ -0,0 +1,104 @@
+use crate::range::RangeExt;
+use crate::syntax::*;
+use crate::workspace::*;
+use futures_boxed::boxed;
+use lsp_types::*;
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub struct LatexIncludeHoverProvider;
+
+impl FeatureProvider for LatexIncludeHoverProvider {
+ type Params = TextDocumentPositionParams;
+ type Output = Option<Hover>;
+
+ #[boxed]
+ async fn execute<'a>(
+ &'a self,
+ request: &'a FeatureRequest<TextDocumentPositionParams>,
+ ) -> Option<Hover> {
+ let (range, targets) = Self::find_include(request)?;
+ for target in targets {
+ if let Some(document) = request.workspace().find(&target) {
+ let path = document.uri.to_file_path().ok()?;
+ return Some(Hover {
+ range: Some(range),
+ contents: HoverContents::Markup(MarkupContent {
+ kind: MarkupKind::PlainText,
+ value: path.to_string_lossy().into_owned(),
+ }),
+ });
+ }
+ }
+ None
+ }
+}
+
+impl LatexIncludeHoverProvider {
+ fn find_include(
+ request: &FeatureRequest<TextDocumentPositionParams>,
+ ) -> Option<(Range, &[Uri])> {
+ if let SyntaxTree::Latex(tree) = &request.document().tree {
+ for include in &tree.includes {
+ for (i, path) in include.paths().iter().enumerate() {
+ let range = path.range();
+ if range.contains(request.params.position) {
+ return Some((range, &include.all_targets[i]));
+ }
+ }
+ }
+ }
+ None
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use crate::range::RangeExt;
+
+ #[test]
+ fn test_multiple_paths() {
+ let hover = test_feature(
+ LatexIncludeHoverProvider,
+ FeatureSpec {
+ files: vec![
+ FeatureSpec::file("foo.tex", "\\include{bar, baz}"),
+ FeatureSpec::file("bar.tex", ""),
+ FeatureSpec::file("baz.tex", ""),
+ ],
+ main_file: "foo.tex",
+ position: Position::new(0, 16),
+ ..FeatureSpec::default()
+ },
+ );
+
+ assert_eq!(
+ hover,
+ Some(Hover {
+ contents: HoverContents::Markup(MarkupContent {
+ kind: MarkupKind::PlainText,
+ value: FeatureSpec::uri("baz.tex")
+ .to_file_path()
+ .unwrap()
+ .to_string_lossy()
+ .into_owned(),
+ }),
+ range: Some(Range::new_simple(0, 14, 0, 17)),
+ })
+ );
+ }
+
+ #[test]
+ fn test_empty() {
+ let hover = test_feature(
+ LatexIncludeHoverProvider,
+ FeatureSpec {
+ files: vec![FeatureSpec::file("foo.tex", "")],
+ main_file: "foo.tex",
+ position: Position::new(0, 0),
+ ..FeatureSpec::default()
+ },
+ );
+ assert_eq!(hover, None);
+ }
+}