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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
View file

@ -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 {
debug_assert!(bindings::Gecko_AssertClassAttrValueIsSane(attr));
let base_type = base_type(attr);
if base_type == structs::nsAttrValue_ValueBaseType_eStringBase {
return Class::None;
}
if base_type == structs::nsAttrValue_ValueBaseType_eAtomBase {
return Class::One(ptr::<nsAtom>(attr));
}
debug_assert_eq!(base_type, structs::nsAttrValue_ValueBaseType_eOtherBase);
let container = ptr::<structs::MiscContainer>(attr);
debug_assert_eq!(
(*container).mType,
structs::nsAttrValue_ValueType_eAtomArray
);
let array = (*container)
.__bindgen_anon_1
.mValue
.as_ref()
.__bindgen_anon_1
.mAtomArray
.as_ref();
Class::More(&***array)
if base_type == structs::nsAttrValue_ValueBaseType_eOtherBase {
let container = ptr::<structs::MiscContainer>(attr);
debug_assert_eq!(
(*container).mType,
structs::nsAttrValue_ValueType_eAtomArray
);
let array = (*container)
.__bindgen_anon_1
.mValue
.as_ref()
.__bindgen_anon_1
.mAtomArray
.as_ref();
return Class::More(&***array)
}
debug_assert_eq!(base_type, structs::nsAttrValue_ValueBaseType_eStringBase);
Class::None
}
#[inline(always)]