diff options
Diffstat (limited to 'vendor/regex-automata/tests/util.rs')
-rw-r--r-- | vendor/regex-automata/tests/util.rs | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/vendor/regex-automata/tests/util.rs b/vendor/regex-automata/tests/util.rs deleted file mode 100644 index 499aa8c6d..000000000 --- a/vendor/regex-automata/tests/util.rs +++ /dev/null @@ -1,57 +0,0 @@ -use regex_automata::util::prefilter::{self, Candidate, Prefilter}; - -#[derive(Clone, Debug)] -pub struct SubstringPrefilter(bstr::Finder<'static>); - -impl SubstringPrefilter { - pub fn new<B: AsRef<[u8]>>(needle: B) -> SubstringPrefilter { - SubstringPrefilter(bstr::Finder::new(needle.as_ref()).into_owned()) - } -} - -impl Prefilter for SubstringPrefilter { - #[inline] - fn next_candidate( - &self, - state: &mut prefilter::State, - haystack: &[u8], - at: usize, - ) -> Candidate { - self.0 - .find(&haystack[at..]) - .map(|i| Candidate::PossibleStartOfMatch(at + i)) - .unwrap_or(Candidate::None) - } - - fn heap_bytes(&self) -> usize { - self.0.needle().len() - } -} - -/// A prefilter that always returns `Candidate::None`, even if it's a false -/// negative. This is useful for confirming that a prefilter is actually -/// active by asserting an incorrect result. -#[derive(Clone, Debug)] -pub struct BunkPrefilter(()); - -impl BunkPrefilter { - pub fn new() -> BunkPrefilter { - BunkPrefilter(()) - } -} - -impl Prefilter for BunkPrefilter { - #[inline] - fn next_candidate( - &self, - _state: &mut prefilter::State, - _haystack: &[u8], - _at: usize, - ) -> Candidate { - Candidate::None - } - - fn heap_bytes(&self) -> usize { - 0 - } -} |