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refactor(zseri/s-r-sc): use inner while loop to improve perf

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Change-Id: I13e95b91351af33c2452f1c4de45cc47aeae1dc0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4745
Tested-by: BuildkiteCI
Reviewed-by: zseri <zseri.devel@ytrizja.de>
This commit is contained in:
zseri 2021-12-30 02:56:40 +01:00
parent c3a9c90cce
commit 2f431bf8df
1 changed files with 9 additions and 8 deletions
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17
users/zseri/store-ref-scanner/src/lib.rs
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@ -77,20 +77,21 @@ where
fn next(&mut self) -> Option<Input> { fn next(&mut self) -> Option<Input> {
let hbl: usize = self.spec.hashbytes_len.into(); let hbl: usize = self.spec.hashbytes_len.into();
while !self.input.as_ref().is_empty() { 'outer: while !self.input.as_ref().is_empty() {
if !self.spec.path_to_store.is_empty() { if !self.spec.path_to_store.is_empty() {
let p2sas = self.spec.path_to_store; let p2sas = self.spec.path_to_store;
if self.input.as_ref().starts_with(p2sas.as_bytes()) { while !self.input.as_ref().starts_with(p2sas.as_bytes()) {
self.input.split_to(p2sas.len()); if self.input.as_ref().is_empty() {
} else { break 'outer;
}
self.input.split_to(1); self.input.split_to(1);
continue; }
self.input.split_to(p2sas.len());
if self.input.as_ref().is_empty() {
break 'outer;
} }
} }
let hsep = matches!(self.input.as_ref().iter().next(), Some(b'/') | Some(b'\\')); let hsep = matches!(self.input.as_ref().iter().next(), Some(b'/') | Some(b'\\'));
if self.input.as_ref().is_empty() {
break;
}
self.input.split_to(1); self.input.split_to(1);
if hsep && self.spec.check_rest(self.input.as_ref()) { if hsep && self.spec.check_rest(self.input.as_ref()) {
// we have found a valid hash // we have found a valid hash