use loda_rust_core::oeis::OeisIdHashSet; use crate::common::OeisIdStringMap; use crate::oeis::{NameRow, ProcessNamesFile}; use std::error::Error; use std::io; use std::time::Instant; use console::Style; use indicatif::{HumanDuration, ProgressBar}; pub fn batch_lookup_names( reader: &mut dyn io::BufRead, filesize: usize, oeis_ids: &OeisIdHashSet ) -> Result> { let start = Instant::now(); println!("Looking up in the OEIS 'names' file"); let mut oeis_id_name_map = OeisIdStringMap::new(); let pb = ProgressBar::new(filesize as u64); let callback = |row: &NameRow, count_bytes: usize| { pb.set_position(count_bytes as u64); if oeis_ids.contains(&row.oeis_id()) { // let message = format!("{}: {}", row.oeis_id().a_number(), row.name()); // pb.println(message); oeis_id_name_map.insert(row.oeis_id(), row.name().to_string()); } }; let oeis_ids_to_ignore = OeisIdHashSet::new(); let mut processor = ProcessNamesFile::new(); processor.execute( reader, &oeis_ids_to_ignore, callback ); pb.finish_and_clear(); let green_bold = Style::new().green().bold(); println!( "{:>12} Lookups in the OEIS 'names' file, in {}", green_bold.apply_to("Finished"), HumanDuration(start.elapsed()) ); Ok(oeis_id_name_map) }