89 lines
2.6 KiB
Rust
89 lines
2.6 KiB
Rust
/* OpenTally: Open-source election vote counting
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* Copyright © 2021 Lee Yingtong Li (RunasSudo)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#[derive(Clone)]
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pub struct Logger<'a> {
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pub entries: Vec<LogEntry<'a>>,
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}
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impl<'a> Logger<'a> {
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pub fn log(&mut self, entry: LogEntry<'a>) {
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if let LogEntry::Smart(mut smart) = entry {
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if self.entries.len() > 0 {
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if let LogEntry::Smart(last_smart) = self.entries.last_mut().unwrap() {
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if last_smart.template1 == smart.template1 && last_smart.template2 == smart.template2 {
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&last_smart.data.append(&mut smart.data);
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} else {
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self.entries.push(LogEntry::Smart(smart));
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}
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} else {
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self.entries.push(LogEntry::Smart(smart));
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}
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} else {
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self.entries.push(LogEntry::Smart(smart));
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}
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} else {
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self.entries.push(entry);
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}
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}
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pub fn log_literal(&mut self, literal: String) {
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self.log(LogEntry::Literal(literal));
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}
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pub fn log_smart(&mut self, template1: &'a str, template2: &'a str, data: Vec<&'a str>) {
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self.log(LogEntry::Smart(SmartLogEntry {
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template1: template1,
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template2: template2,
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data: data,
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}));
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}
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pub fn render(&self) -> Vec<String> {
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return self.entries.iter().map(|e| match e {
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LogEntry::Smart(smart) => smart.render(),
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LogEntry::Literal(literal) => literal.to_string(),
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}).collect();
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}
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}
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#[derive(Clone)]
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pub enum LogEntry<'a> {
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Smart(SmartLogEntry<'a>),
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Literal(String)
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}
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#[derive(Clone)]
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pub struct SmartLogEntry<'a> {
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template1: &'a str,
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template2: &'a str,
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data: Vec<&'a str>,
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}
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impl<'a> SmartLogEntry<'a> {
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pub fn render(&self) -> String {
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if self.data.len() == 0 {
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panic!("Attempted to format smart log entry with no data");
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} else if self.data.len() == 1 {
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return String::from(self.template1).replace("{}", self.data.first().unwrap());
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} else {
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let rendered_list = format!("{} and {}", self.data[0..self.data.len()-1].join(", "), self.data.last().unwrap());
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return String::from(self.template2).replace("{}", &rendered_list);
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}
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}
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}
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