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use lsp_types::CompletionParams;
use rowan::{ast::AstNode, TextRange};
use crate::{
features::cursor::CursorContext,
syntax::bibtex::{self, HasName},
LANGUAGE_DATA,
};
use super::types::{InternalCompletionItem, InternalCompletionItemData};
pub fn complete_fields<'a>(
context: &'a CursorContext<CompletionParams>,
items: &mut Vec<InternalCompletionItem<'a>>,
) -> Option<()> {
let token = context.cursor.as_bibtex()?;
let range = if token.kind() == bibtex::NAME {
token.text_range()
} else {
TextRange::empty(context.offset)
};
let parent = token.parent()?;
if let Some(entry) = bibtex::Entry::cast(parent.clone()) {
if entry.name_token()?.text_range() == token.text_range() {
return None;
}
} else {
bibtex::Field::cast(parent)?;
}
for field in &LANGUAGE_DATA.fields {
let data = InternalCompletionItemData::Field { field };
let item = InternalCompletionItem::new(range, data);
items.push(item);
}
Some(())
}
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