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style: Hash less stuff in the bloom filter, using the precomputed hashes we have.

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This commit is contained in:
Emilio Cobos Álvarez 2017-03-21 19:38:16 +01:00
parent 65ebbb7c56
commit e29b84de18
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GPG key ID: 056B727BB9C1027C
10 changed files with 129 additions and 63 deletions
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11
components/selectors/matching.rs
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@ -4,6 +4,7 @@
use bloom::BloomFilter;
use parser::{CaseSensitivity, Combinator, ComplexSelector, LocalName};
use parser::{SimpleSelector, Selector, SelectorImpl};
use precomputed_hash::PrecomputedHash;
use std::borrow::Borrow;
use tree::Element;
@ -135,23 +136,23 @@ fn may_match<E>(mut selector: &ComplexSelector<E::Impl>,
for ss in selector.compound_selector.iter() {
match *ss {
SimpleSelector::LocalName(LocalName { ref name, ref lower_name }) => {
if !bf.might_contain(name) &&
!bf.might_contain(lower_name) {
if !bf.might_contain_hash(name.precomputed_hash()) &&
!bf.might_contain_hash(lower_name.precomputed_hash()) {
return false
}
},
SimpleSelector::Namespace(ref namespace) => {
if !bf.might_contain(&namespace.url) {
if !bf.might_contain_hash(namespace.url.precomputed_hash()) {
return false
}
},
SimpleSelector::ID(ref id) => {
if !bf.might_contain(id) {
if !bf.might_contain_hash(id.precomputed_hash()) {
return false
}
},
SimpleSelector::Class(ref class) => {
if !bf.might_contain(class) {
if !bf.might_contain_hash(class.precomputed_hash()) {
return false
}
},