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use std::sync::Arc;
use lsp_types::ReferenceParams;
use rowan::ast::AstNode;
use crate::{
features::cursor::CursorContext,
syntax::bibtex::{self, HasName},
};
use super::ReferenceResult;
pub(super) fn find_string_references(
context: &CursorContext<ReferenceParams>,
results: &mut Vec<ReferenceResult>,
) -> Option<()> {
let name_text = context
.cursor
.as_bibtex()
.filter(|token| token.kind() == bibtex::NAME)
.filter(|token| {
let parent = token.parent().unwrap();
bibtex::Value::can_cast(parent.kind()) || bibtex::StringDef::can_cast(parent.kind())
})?
.text();
let document = context.request.main_document();
let data = document.data.as_bibtex()?;
for node in bibtex::SyntaxNode::new_root(data.green.clone()).descendants() {
if let Some(name) = bibtex::StringDef::cast(node.clone())
.and_then(|string| string.name_token())
.filter(|name| {
context.request.params.context.include_declaration && name.text() == name_text
})
.or_else(|| {
bibtex::Value::cast(node)
.and_then(|token| token.syntax().first_token())
.filter(|name| name.text() == name_text)
})
{
results.push(ReferenceResult {
uri: Arc::clone(&document.uri),
range: name.text_range(),
});
}
}
Some(())
}
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