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#[derive(Debug, Clone)]
pub struct Filter {
// TODO: Maybe change to "ignore_matches"?
pub is_list_ignored: bool,
pub list: Vec<regex::Regex>,
}
impl Filter {
/// Whether the filter should keep the entry or reject it.
#[inline]
pub(crate) fn keep_entry(&self, value: &str) -> bool {
self.list
.iter()
.find(|regex| regex.is_match(value))
.map(|_| !self.is_list_ignored)
.unwrap_or(self.is_list_ignored)
}
}
#[cfg(test)]
mod test {
use regex::Regex;
use super::*;
/// Test based on the issue in <https://github.com/ClementTsang/bottom/pull/1037>.
#[test]
fn filter_is_list_ignored() {
let results = [
"CPU socket temperature",
"wifi_0",
"motherboard temperature",
"amd gpu",
];
let ignore_true = Filter {
is_list_ignored: true,
list: vec![Regex::new("temperature").unwrap()],
};
assert_eq!(
results
.into_iter()
.filter(|r| ignore_true.keep_entry(r))
.collect::<Vec<_>>(),
vec!["wifi_0", "amd gpu"]
);
let ignore_false = Filter {
is_list_ignored: false,
list: vec![Regex::new("temperature").unwrap()],
};
assert_eq!(
results
.into_iter()
.filter(|r| ignore_false.keep_entry(r))
.collect::<Vec<_>>(),
vec!["CPU socket temperature", "motherboard temperature"]
);
}
}
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