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Match against reference instead of value

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Hang Qian 2022-03-19 10:58:35 -07:00 committed by David Peter
parent bbd8c78861
commit 3f6ff2ca32
1 changed files with 10 additions and 10 deletions
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20
src/regex_helper.rs
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@ -15,19 +15,19 @@ pub fn pattern_has_uppercase_char(pattern: &str) -> bool {
fn hir_has_uppercase_char(hir: &Hir) -> bool {
use regex_syntax::hir::*;
match *hir.kind() {
match hir.kind() {
HirKind::Literal(Literal::Unicode(c)) => c.is_uppercase(),
HirKind::Literal(Literal::Byte(b)) => char::from(b).is_uppercase(),
HirKind::Class(Class::Unicode(ref ranges)) => ranges
HirKind::Literal(Literal::Byte(b)) => char::from(*b).is_uppercase(),
HirKind::Class(Class::Unicode(ranges)) => ranges
.iter()
.any(|r| r.start().is_uppercase() || r.end().is_uppercase()),
HirKind::Class(Class::Bytes(ref ranges)) => ranges
HirKind::Class(Class::Bytes(ranges)) => ranges
.iter()
.any(|r| char::from(r.start()).is_uppercase() || char::from(r.end()).is_uppercase()),
HirKind::Group(Group { ref hir, .. }) | HirKind::Repetition(Repetition { ref hir, .. }) => {
HirKind::Group(Group { hir, .. }) | HirKind::Repetition(Repetition { hir, .. }) => {
hir_has_uppercase_char(hir)
}
HirKind::Concat(ref hirs) | HirKind::Alternation(ref hirs) => {
HirKind::Concat(hirs) | HirKind::Alternation(hirs) => {
hirs.iter().any(hir_has_uppercase_char)
}
_ => false,
@ -52,11 +52,11 @@ fn hir_matches_strings_with_leading_dot(hir: &Hir) -> bool {
// "^\\.", i.e. a start text anchor and a literal dot character. There are a lot
// of other patterns that ONLY match hidden files, e.g. ^(\\.foo|\\.bar) which are
// not (yet) detected by this algorithm.
match *hir.kind() {
HirKind::Concat(ref hirs) => {
match hir.kind() {
HirKind::Concat(hirs) => {
let mut hirs = hirs.iter();
if let Some(hir) = hirs.next() {
if *hir.kind() != HirKind::Anchor(Anchor::StartText) {
if hir.kind() != &HirKind::Anchor(Anchor::StartText) {
return false;
}
} else {
@ -64,7 +64,7 @@ fn hir_matches_strings_with_leading_dot(hir: &Hir) -> bool {
}
if let Some(hir) = hirs.next() {
*hir.kind() == HirKind::Literal(Literal::Unicode('.'))
hir.kind() == &HirKind::Literal(Literal::Unicode('.'))
} else {
false
}