/* OpenTally: Open-source election vote counting * Copyright © 2021 Lee Yingtong Li (RunasSudo) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ use crate::election::Election; use crate::numbers::Number; use itertools::Itertools; use std::io::{BufWriter, Write}; /// Write the [Election] into BLT format pub fn write(election: Election, output: W) { let mut output = BufWriter::new(output); // Writer header row output.write_fmt(format_args!("{} {}\n", election.candidates.len(), election.seats)).expect("IO Error"); // Write withdrawn candidates if !election.withdrawn_candidates.is_empty() { output.write_all(election.withdrawn_candidates.into_iter().map(|idx| format!("-{}", idx + 1)).join(" ").as_bytes()).expect("IO Error"); output.write_all(b"\n").expect("IO Error"); } // Write ballots for ballot in election.ballots { output.write_fmt(format_args!("{}", ballot.orig_value)).expect("IO Error"); for preference in ballot.preferences { output.write_fmt(format_args!(" {}", preference.into_iter().map(|p| p + 1).join("="))).expect("IO Error"); } output.write_all(b" 0\n").expect("IO Error"); } output.write_all(b"0\n").expect("IO Error"); // Write candidate names for candidate in election.candidates { output.write_fmt(format_args!("\"{}\"\n", candidate.name)).expect("IO Error"); } // Write election name output.write_fmt(format_args!("\"{}\"\n", election.name)).expect("IO Error"); }