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Added oof::matches_any_arg, can detect --help etc.

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This commit is contained in:
João M. Bezerra 2021-04-04 02:20:39 -03:00
parent b2d064bbb3
commit 535d4fcc93
1 changed files with 33 additions and 0 deletions
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33
oof/src/lib.rs
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@ -212,6 +212,17 @@ pub fn filter_flags(
Ok((new_args, result_flags))
}
/// Says if any text matches any arg
pub fn matches_any_arg<T, U>(args: &[T], texts: &[U]) -> bool
where
T: AsRef<OsStr>,
U: AsRef<str>,
{
texts
.iter()
.any(|text| args.iter().any(|arg| arg.as_ref() == text.as_ref()))
}
#[cfg(test)]
mod tests {
use crate::*;
@ -311,6 +322,28 @@ mod tests {
// Should panic here
filter_flags(vec![], &flags_info).unwrap_err();
}
#[test]
fn test_matches_any_arg_function() {
let args = gen_args("program a -h b");
assert!(matches_any_arg(&args, &["--help", "-h"]));
let args = gen_args("program a b --help");
assert!(matches_any_arg(&args, &["--help", "-h"]));
let args = gen_args("--version program a b");
assert!(matches_any_arg(&args, &["--version", "-v"]));
let args = gen_args("program -v a --version b");
assert!(matches_any_arg(&args, &["--version", "-v"]));
// Cases without it
let args = gen_args("program a b c");
assert!(!matches_any_arg(&args, &["--help", "-h"]));
let args = gen_args("program a --version -v b c");
assert!(!matches_any_arg(&args, &["--help", "-h"]));
}
}
/// Create a flag with long flag (?).