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use crate::{
feature::{FeatureProvider, FeatureRequest},
protocol::{
Position, Range, RangeExt, RenameParams, TextDocumentPositionParams, TextEdit,
WorkspaceEdit,
},
syntax::{Span, SyntaxNode},
workspace::DocumentContent,
};
use async_trait::async_trait;
use std::collections::HashMap;
#[derive(Debug, PartialEq, Eq, Clone, Copy, Default)]
pub struct LatexLabelPrepareRenameProvider;
#[async_trait]
impl FeatureProvider for LatexLabelPrepareRenameProvider {
type Params = TextDocumentPositionParams;
type Output = Option<Range>;
async fn execute<'a>(&'a self, req: &'a FeatureRequest<Self::Params>) -> Self::Output {
let pos = req.params.position;
find_label(&req.current().content, pos).map(Span::range)
}
}
#[derive(Debug, PartialEq, Eq, Clone, Copy, Default)]
pub struct LatexLabelRenameProvider;
#[async_trait]
impl FeatureProvider for LatexLabelRenameProvider {
type Params = RenameParams;
type Output = Option<WorkspaceEdit>;
async fn execute<'a>(&'a self, req: &'a FeatureRequest<Self::Params>) -> Self::Output {
let pos = req.params.text_document_position.position;
let name = find_label(&req.current().content, pos)?;
let mut changes = HashMap::new();
for doc in req.related() {
if let DocumentContent::Latex(table) = &doc.content {
let edits = table
.labels
.iter()
.flat_map(|label| label.names(&table))
.filter(|label| label.text() == name.text)
.map(|label| TextEdit::new(label.range(), req.params.new_name.clone()))
.collect();
changes.insert(doc.uri.clone().into(), edits);
}
}
Some(WorkspaceEdit::new(changes))
}
}
fn find_label(content: &DocumentContent, pos: Position) -> Option<&Span> {
if let DocumentContent::Latex(table) = content {
table
.labels
.iter()
.flat_map(|label| label.names(&table))
.find(|label| label.range().contains(pos))
.map(|label| &label.span)
} else {
None
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::feature::FeatureTester;
use indoc::indoc;
#[tokio::test]
async fn label() {
let actual_edit = FeatureTester::new()
.file(
"foo.tex",
indoc!(
r#"
\label{foo}
\include{bar}
"#
),
)
.file("bar.tex", r#"\ref{foo}"#)
.file("baz.tex", r#"\ref{foo}"#)
.main("foo.tex")
.position(0, 7)
.new_name("bar")
.test_rename(LatexLabelRenameProvider)
.await
.unwrap();
let mut expected_changes = HashMap::new();
expected_changes.insert(
FeatureTester::uri("foo.tex").into(),
vec![TextEdit::new(Range::new_simple(0, 7, 0, 10), "bar".into())],
);
expected_changes.insert(
FeatureTester::uri("bar.tex").into(),
vec![TextEdit::new(Range::new_simple(0, 5, 0, 8), "bar".into())],
);
assert_eq!(actual_edit, WorkspaceEdit::new(expected_changes));
}
#[tokio::test]
async fn command_args() {
let actual_edit = FeatureTester::new()
.file("main.tex", r#"\foo{bar}"#)
.main("main.tex")
.position(0, 5)
.new_name("baz")
.test_rename(LatexLabelRenameProvider)
.await;
assert_eq!(actual_edit, None);
}
#[tokio::test]
async fn empty_latex_document() {
let actual_edit = FeatureTester::new()
.file("main.tex", "")
.main("main.tex")
.position(0, 0)
.new_name("")
.test_rename(LatexLabelRenameProvider)
.await;
assert_eq!(actual_edit, None);
}
#[tokio::test]
async fn empty_bibtex_document() {
let actual_edit = FeatureTester::new()
.file("main.bib", "")
.main("main.bib")
.position(0, 0)
.new_name("")
.test_rename(LatexLabelRenameProvider)
.await;
assert_eq!(actual_edit, None);
}
}
|
