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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},
latex,
},
DocumentData,
};
use super::ReferenceResult;
pub(super) fn find_entry_references(
context: &CursorContext<ReferenceParams>,
results: &mut Vec<ReferenceResult>,
) -> Option<()> {
let (key_text, _) = context
.find_citation_key_word()
.or_else(|| context.find_citation_key_command())
.or_else(|| context.find_entry_key())?;
for document in context.request.workspace.documents_by_uri.values() {
match &document.data {
DocumentData::Latex(data) => {
latex::SyntaxNode::new_root(data.green.clone())
.descendants()
.filter_map(latex::Citation::cast)
.filter_map(|citation| citation.key_list())
.flat_map(|keys| keys.keys())
.filter(|key| key.to_string() == key_text)
.map(|key| latex::small_range(&key))
.for_each(|range| {
let uri = Arc::clone(&document.uri);
results.push(ReferenceResult { uri, range });
});
}
DocumentData::Bibtex(data) if context.request.params.context.include_declaration => {
bibtex::SyntaxNode::new_root(data.green.clone())
.children()
.filter_map(bibtex::Entry::cast)
.filter_map(|entry| entry.name_token())
.filter(|key| key.text() == key_text)
.map(|key| key.text_range())
.for_each(|range| {
let uri = Arc::clone(&document.uri);
results.push(ReferenceResult { uri, range });
});
}
DocumentData::Bibtex(_) | DocumentData::BuildLog(_) => {}
}
}
Some(())
}
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