use alloc::borrow::ToOwned;
use crate::query::label_text;
use crate::syntax::builders::symbol_lookup::build_symbol_lookup_node;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::utilities::text_nodes::node_to_str;
use crate::NodeId;
#[expect(
clippy::unnecessary_wraps,
reason = "the signature must match the reader dispatch table"
)]
pub fn reader(
args: &mut SyntaxGraphArgs<'_>,
n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
let graph = args.ast_graph;
let symbol = label_text(graph, n_id)
.filter(|text| !text.is_empty())
.map_or_else(|| node_to_str(graph, n_id), ToOwned::to_owned);
Ok(Some(build_symbol_lookup_node(args, n_id, symbol)))
}