texlab/features/reference/
entry.rs

1use std::sync::Arc;
2
3use lsp_types::ReferenceParams;
4use rowan::ast::AstNode;
5
6use crate::{
7    features::cursor::CursorContext,
8    syntax::{
9        bibtex::{self, HasName},
10        latex,
11    },
12    DocumentData,
13};
14
15use super::ReferenceResult;
16
17pub(super) fn find_entry_references(
18    context: &CursorContext<ReferenceParams>,
19    results: &mut Vec<ReferenceResult>,
20) -> Option<()> {
21    let (key_text, _) = context
22        .find_citation_key_word()
23        .or_else(|| context.find_citation_key_command())
24        .or_else(|| context.find_entry_key())?;
25
26    for document in context.request.workspace.iter() {
27        match document.data() {
28            DocumentData::Latex(data) => {
29                latex::SyntaxNode::new_root(data.green.clone())
30                    .descendants()
31                    .filter_map(latex::Citation::cast)
32                    .filter_map(|citation| citation.key_list())
33                    .flat_map(|keys| keys.keys())
34                    .filter(|key| key.to_string() == key_text)
35                    .map(|key| latex::small_range(&key))
36                    .for_each(|range| {
37                        let uri = Arc::clone(document.uri());
38                        results.push(ReferenceResult { uri, range });
39                    });
40            }
41            DocumentData::Bibtex(data) if context.request.params.context.include_declaration => {
42                bibtex::SyntaxNode::new_root(data.green.clone())
43                    .children()
44                    .filter_map(bibtex::Entry::cast)
45                    .filter_map(|entry| entry.name_token())
46                    .filter(|key| key.text() == key_text)
47                    .map(|key| key.text_range())
48                    .for_each(|range| {
49                        let uri = Arc::clone(document.uri());
50                        results.push(ReferenceResult { uri, range });
51                    });
52            }
53            DocumentData::Bibtex(_) | DocumentData::BuildLog(_) => {}
54        }
55    }
56
57    Some(())
58}
texlab/features/reference/entry.rs

texlab/features/reference/
entry.rs
