rust/chat_sanitizer/src/letter_repeat.rs
author Wuzzy <Wuzzy2@mail.ru>
Thu, 08 Oct 2020 11:12:22 +0200
changeset 15741 8997e212be4c
parent 14505 ba29aa03db87
permissions -rw-r--r--
Fix hog not returning from TimeBox when all land was destroyed
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use crate::{MessageChecker, Severity};
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use itertools::Itertools;
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use std::marker::PhantomData;
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struct LetterRepeatChecker<T> {
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    threshold: usize,
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    player_id_type: PhantomData<T>,
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}
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impl<T> LetterRepeatChecker<T> {
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    pub fn new(threshold: usize) -> Self {
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        Self {
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            threshold,
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            player_id_type: PhantomData,
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        }
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    }
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}
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impl<T> MessageChecker<T> for LetterRepeatChecker<T> {
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    fn check(&self, _player_id: T, message: &str) -> Severity {
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        for (_key, group) in &message.chars().into_iter().group_by(|c| *c) {
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            if group.count() >= self.threshold {
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                return Severity::Warn;
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            }
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        }
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        Severity::Pass
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    }
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}
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#[cfg(test)]
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mod tests {
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    use super::*;
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    #[test]
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    fn it_works() {
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        let checker = LetterRepeatChecker::new(3);
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        assert_eq!(checker.check(0, "Hello world!"), Severity::Pass);
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        assert_eq!(checker.check(0, "ooops"), Severity::Warn);
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        assert_eq!(
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            checker.check(0, "жираф - длинношеее животное"),
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            Severity::Warn
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        );
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    }
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}