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use crate::syntax::*;
use crate::workspace::*;
use futures_boxed::boxed;
use lsp_types::*;
use std::collections::HashMap;
use std::sync::Arc;
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct LatexCommandPrepareRenameProvider;
impl FeatureProvider for LatexCommandPrepareRenameProvider {
type Params = TextDocumentPositionParams;
type Output = Option<Range>;
#[boxed]
async fn execute<'a>(
&'a self,
request: &'a FeatureRequest<TextDocumentPositionParams>,
) -> Option<Range> {
let position = request.params.position;
find_command(&request.document().tree, position).map(|cmd| cmd.range())
}
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct LatexCommandRenameProvider;
impl FeatureProvider for LatexCommandRenameProvider {
type Params = RenameParams;
type Output = Option<WorkspaceEdit>;
#[boxed]
async fn execute<'a>(
&'a self,
request: &'a FeatureRequest<RenameParams>,
) -> Option<WorkspaceEdit> {
let command = find_command(
&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: Vec<TextEdit> = tree
.commands
.iter()
.filter(|cmd| cmd.name.text() == command.name.text())
.map(|cmd| {
TextEdit::new(cmd.name.range(), format!("\\{}", request.params.new_name))
})
.collect();
changes.insert(document.uri.clone().into(), edits);
}
}
Some(WorkspaceEdit::new(changes))
}
}
fn find_command(tree: &SyntaxTree, position: Position) -> Option<Arc<LatexCommand>> {
if let SyntaxTree::Latex(tree) = tree {
tree.find_command_by_name(position)
} else {
None
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::range::RangeExt;
use lsp_types::{Position, Range};
#[test]
fn test() {
let edit = test_feature(
LatexCommandRenameProvider,
FeatureSpec {
files: vec![
FeatureSpec::file("foo.tex", "\\include{bar.tex}\n\\baz"),
FeatureSpec::file("bar.tex", "\\baz"),
],
main_file: "foo.tex",
position: Position::new(1, 2),
new_name: "qux",
..FeatureSpec::default()
},
);
let mut changes = HashMap::new();
changes.insert(
FeatureSpec::uri("foo.tex"),
vec![TextEdit::new(Range::new_simple(1, 0, 1, 4), "\\qux".into())],
);
changes.insert(
FeatureSpec::uri("bar.tex"),
vec![TextEdit::new(Range::new_simple(0, 0, 0, 4), "\\qux".into())],
);
assert_eq!(edit, Some(WorkspaceEdit::new(changes)));
}
#[test]
fn test_bibtex() {
let edit = test_feature(
LatexCommandRenameProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "@article{foo, bar = baz}")],
main_file: "foo.bib",
position: Position::new(0, 14),
new_name: "qux",
..FeatureSpec::default()
},
);
assert_eq!(edit, None);
}
}
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