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use rowan::{ast::AstNode, TextRange};
use syntax::bibtex::{self, HasName};
use crate::util::cursor::CursorContext;
use super::builder::CompletionBuilder;
pub fn complete<'db>(
context: &'db CursorContext,
builder: &mut CompletionBuilder<'db>,
) -> Option<()> {
let token = context.cursor.as_bib()?;
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 base_db::data::BIBTEX_FIELD_TYPES {
builder.field(range, field);
}
Some(())
}
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