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use super::{LatexSymbol, LatexSymbolKind};
use crate::syntax::*;
use crate::workspace::*;
use futures_boxed::boxed;
use lsp_types::*;
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct BibtexStringSymbolProvider;
impl FeatureProvider for BibtexStringSymbolProvider {
type Params = DocumentSymbolParams;
type Output = Vec<LatexSymbol>;
#[boxed]
async fn execute<'a>(&'a self, request: &'a FeatureRequest<Self::Params>) -> Self::Output {
let mut symbols = Vec::new();
if let SyntaxTree::Bibtex(tree) = &request.document().tree {
for child in &tree.root.children {
if let BibtexDeclaration::String(string) = &child {
if let Some(name) = &string.name {
symbols.push(LatexSymbol {
name: name.text().to_owned(),
label: None,
kind: LatexSymbolKind::String,
deprecated: false,
full_range: string.range(),
selection_range: name.range(),
children: Vec::new(),
});
}
}
}
}
symbols
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::range::RangeExt;
#[test]
fn test_valid() {
let symbols = test_feature(
BibtexStringSymbolProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "@string{key = \"value\"}")],
main_file: "foo.bib",
..FeatureSpec::default()
},
);
assert_eq!(
symbols,
vec![LatexSymbol {
name: "key".into(),
label: None,
kind: LatexSymbolKind::String,
deprecated: false,
full_range: Range::new_simple(0, 0, 0, 22),
selection_range: Range::new_simple(0, 8, 0, 11),
children: Vec::new(),
}]
);
}
#[test]
fn test_invalid() {
let symbols = test_feature(
BibtexStringSymbolProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "@string{}")],
main_file: "foo.bib",
..FeatureSpec::default()
},
);
assert_eq!(symbols, Vec::new());
}
}
|