summaryrefslogtreecommitdiff
path: root/support/texlab/src/rename/latex_label.rs
diff options
context:
space:
mode:
Diffstat (limited to 'support/texlab/src/rename/latex_label.rs')
-rw-r--r--support/texlab/src/rename/latex_label.rs133
1 files changed, 133 insertions, 0 deletions
diff --git a/support/texlab/src/rename/latex_label.rs b/support/texlab/src/rename/latex_label.rs
new file mode 100644
index 0000000000..1cf5e3ea9d
--- /dev/null
+++ b/support/texlab/src/rename/latex_label.rs
@@ -0,0 +1,133 @@
+use crate::range::RangeExt;
+use crate::syntax::*;
+use crate::workspace::*;
+use futures_boxed::boxed;
+use lsp_types::*;
+use std::collections::HashMap;
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub struct LatexLabelPrepareRenameProvider;
+
+impl FeatureProvider for LatexLabelPrepareRenameProvider {
+ type Params = TextDocumentPositionParams;
+ type Output = Option<Range>;
+
+ #[boxed]
+ async fn execute<'a>(
+ &'a self,
+ request: &'a FeatureRequest<TextDocumentPositionParams>,
+ ) -> Option<Range> {
+ find_label(&request.document().tree, request.params.position).map(Span::range)
+ }
+}
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub struct LatexLabelRenameProvider;
+
+impl FeatureProvider for LatexLabelRenameProvider {
+ type Params = RenameParams;
+ type Output = Option<WorkspaceEdit>;
+
+ #[boxed]
+ async fn execute<'a>(
+ &'a self,
+ request: &'a FeatureRequest<RenameParams>,
+ ) -> Option<WorkspaceEdit> {
+ let name = find_label(
+ &request.document().tree,
+ request.params.text_document_position.position,
+ )?;
+ let mut changes = HashMap::new();
+ for document in request.related_documents() {
+ if let SyntaxTree::Latex(tree) = &document.tree {
+ let edits = tree
+ .structure
+ .labels
+ .iter()
+ .flat_map(LatexLabel::names)
+ .filter(|label| label.text() == name.text)
+ .map(|label| TextEdit::new(label.range(), request.params.new_name.clone()))
+ .collect();
+ changes.insert(document.uri.clone().into(), edits);
+ }
+ }
+ Some(WorkspaceEdit::new(changes))
+ }
+}
+
+fn find_label(tree: &SyntaxTree, position: Position) -> Option<&Span> {
+ if let SyntaxTree::Latex(tree) = tree {
+ tree.structure
+ .labels
+ .iter()
+ .flat_map(LatexLabel::names)
+ .find(|label| label.range().contains(position))
+ .map(|label| &label.span)
+ } else {
+ None
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use lsp_types::{Position, Range};
+
+ #[test]
+ fn test_label() {
+ let edit = test_feature(
+ LatexLabelRenameProvider,
+ FeatureSpec {
+ files: vec![
+ FeatureSpec::file("foo.tex", "\\label{foo}\n\\include{bar}"),
+ FeatureSpec::file("bar.tex", "\\ref{foo}"),
+ FeatureSpec::file("baz.tex", "\\ref{foo}"),
+ ],
+ main_file: "foo.tex",
+ position: Position::new(0, 7),
+ new_name: "bar",
+ ..FeatureSpec::default()
+ },
+ );
+ let mut changes = HashMap::new();
+ changes.insert(
+ FeatureSpec::uri("foo.tex"),
+ vec![TextEdit::new(Range::new_simple(0, 7, 0, 10), "bar".into())],
+ );
+ changes.insert(
+ FeatureSpec::uri("bar.tex"),
+ vec![TextEdit::new(Range::new_simple(0, 5, 0, 8), "bar".into())],
+ );
+ assert_eq!(edit, Some(WorkspaceEdit::new(changes)));
+ }
+
+ #[test]
+ fn test_command_args() {
+ let edit = test_feature(
+ LatexLabelRenameProvider,
+ FeatureSpec {
+ files: vec![FeatureSpec::file("foo.tex", "\\foo{bar}")],
+ main_file: "foo.tex",
+ position: Position::new(0, 5),
+ new_name: "baz",
+ ..FeatureSpec::default()
+ },
+ );
+ assert_eq!(edit, None);
+ }
+
+ #[test]
+ fn test_bibtex() {
+ let edit = test_feature(
+ LatexLabelRenameProvider,
+ FeatureSpec {
+ files: vec![FeatureSpec::file("foo.bib", "")],
+ main_file: "foo.bib",
+ position: Position::new(0, 0),
+ new_name: "baz",
+ ..FeatureSpec::default()
+ },
+ );
+ assert_eq!(edit, None);
+ }
+}