Adjust identify_algo_name_and_length to return Option<(String, Option<usize>)> instead of (String, Option<usize>)

This commit is contained in:
Sylvestre Ledru 2024-06-26 23:45:46 +02:00
parent adcc548f7c
commit 212ddf7d8c

View file

@ -418,7 +418,7 @@ fn identify_algo_name_and_length(
algo_name_input: Option<&str>,
res: &mut ChecksumResult,
properly_formatted: &mut bool,
) -> (String, Option<usize>) {
) -> Option<(String, Option<usize>)> {
// When the algo-based format is matched, extract details from regex captures
let algorithm = caps.name("algo").map_or("", |m| m.as_str()).to_lowercase();
@ -428,13 +428,13 @@ fn identify_algo_name_and_length(
if algo_name_input.is_some() && algo_name_input != Some(&algorithm) {
res.bad_format += 1;
*properly_formatted = false;
return (String::new(), None);
return None;
}
if !SUPPORTED_ALGORITHMS.contains(&algorithm.as_str()) {
// Not supported algo, leave early
*properly_formatted = false;
return (String::new(), None);
return None;
}
let bits = caps.name("bits").map_or(Some(None), |m| {
@ -445,15 +445,9 @@ fn identify_algo_name_and_length(
*properly_formatted = false;
None // Return None to signal a divisibility issue
}
});
})?;
if bits.is_none() {
// If bits is None, we have a parsing or divisibility issue
// Exit the loop outside of the closure
return (String::new(), None);
}
(algorithm, bits.unwrap())
Some((algorithm, bits))
}
/***
@ -518,6 +512,7 @@ where
&mut res,
&mut properly_formatted,
)
.unwrap_or((String::new(), None))
} else if let Some(a) = algo_name_input {
// When a specific algorithm name is input, use it and use the provided bits
(a.to_lowercase(), length_input)