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style: Reorder some conditions when handling class/part attributes.

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Empty class attributes are uncommon.

Differential Revision: https://phabricator.services.mozilla.com/D100592
This commit is contained in:
Emilio Cobos Álvarez 2021-01-02 04:50:01 +00:00
parent 0dc6c32759
commit 610ebe2e25
1 changed files with 17 additions and 18 deletions
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35
components/style/gecko/snapshot_helpers.rs
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@ -34,27 +34,26 @@ unsafe fn ptr<T>(attr: &structs::nsAttrValue) -> *const T {
unsafe fn get_class_or_part_from_attr(attr: &structs::nsAttrValue) -> Class { unsafe fn get_class_or_part_from_attr(attr: &structs::nsAttrValue) -> Class {
debug_assert!(bindings::Gecko_AssertClassAttrValueIsSane(attr)); debug_assert!(bindings::Gecko_AssertClassAttrValueIsSane(attr));
let base_type = base_type(attr); let base_type = base_type(attr);
if base_type == structs::nsAttrValue_ValueBaseType_eStringBase {
return Class::None;
}
if base_type == structs::nsAttrValue_ValueBaseType_eAtomBase { if base_type == structs::nsAttrValue_ValueBaseType_eAtomBase {
return Class::One(ptr::<nsAtom>(attr)); return Class::One(ptr::<nsAtom>(attr));
} }
debug_assert_eq!(base_type, structs::nsAttrValue_ValueBaseType_eOtherBase); if base_type == structs::nsAttrValue_ValueBaseType_eOtherBase {
let container = ptr::<structs::MiscContainer>(attr);
let container = ptr::<structs::MiscContainer>(attr); debug_assert_eq!(
debug_assert_eq!( (*container).mType,
(*container).mType, structs::nsAttrValue_ValueType_eAtomArray
structs::nsAttrValue_ValueType_eAtomArray );
); let array = (*container)
let array = (*container) .__bindgen_anon_1
.__bindgen_anon_1 .mValue
.mValue .as_ref()
.as_ref() .__bindgen_anon_1
.__bindgen_anon_1 .mAtomArray
.mAtomArray .as_ref();
.as_ref(); return Class::More(&***array)
Class::More(&***array) }
debug_assert_eq!(base_type, structs::nsAttrValue_ValueBaseType_eStringBase);
Class::None
} }
#[inline(always)] #[inline(always)]