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use rowan::{ast::AstNode, TextRange};
use rustc_hash::FxHashMap;
use crate::{
db::parse::DocumentData,
syntax::{
bibtex::{self, HasName},
latex,
},
util::cursor::CursorContext,
};
use super::{Indel, Params, RenameResult};
pub(super) fn prepare_rename<T>(context: &CursorContext<T>) -> Option<TextRange> {
let (_, range) = context
.find_citation_key_word()
.or_else(|| context.find_entry_key())?;
Some(range)
}
pub(super) fn rename(context: &CursorContext<Params>) -> Option<RenameResult> {
prepare_rename(context)?;
let (key_text, _) = context
.find_citation_key_word()
.or_else(|| context.find_entry_key())?;
let mut changes = FxHashMap::default();
for document in context.related() {
match document.parse(context.db) {
DocumentData::Tex(data) => {
let root = data.root(context.db);
let edits: Vec<_> = root
.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| Indel {
delete: latex::small_range(&key),
insert: context.params.new_name.clone(),
})
.collect();
changes.insert(document, edits);
}
DocumentData::Bib(data) => {
let root = data.root(context.db);
let edits: Vec<_> = root
.descendants()
.filter_map(bibtex::Entry::cast)
.filter_map(|entry| entry.name_token())
.filter(|key| key.text() == key_text)
.map(|key| Indel {
delete: key.text_range(),
insert: context.params.new_name.clone(),
})
.collect();
changes.insert(document, edits);
}
DocumentData::Log(_) | DocumentData::TexlabRoot(_) | DocumentData::Tectonic(_) => {}
}
}
Some(RenameResult { changes })
}
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