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Auto merge of #20038 - emilio:no-need-for-strings, r=nox

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style: Avoid an intermediate buffer in Servo_Shorthand_AnimationValues_Serialize.

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bors-servo 2018-02-13 12:06:02 -05:00 • committed by GitHub
commit 4c3f1756da
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1 changed files with 10 additions and 11 deletions
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21
ports/geckolib/glue.rs
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@ -709,10 +709,11 @@ pub extern "C" fn Servo_AnimationValue_Serialize(
}
#[no_mangle]
pub extern "C" fn Servo_Shorthand_AnimationValues_Serialize(shorthand_property: nsCSSPropertyID,
values: RawGeckoServoAnimationValueListBorrowed,
buffer: *mut nsAString)
{
pub unsafe extern "C" fn Servo_Shorthand_AnimationValues_Serialize(
shorthand_property: nsCSSPropertyID,
values: RawGeckoServoAnimationValueListBorrowed,
buffer: *mut nsAString,
) {
let property_id = get_property_id_from_nscsspropertyid!(shorthand_property, ());
let shorthand = match property_id.as_shorthand() {
Ok(shorthand) => shorthand,
@ -724,14 +725,12 @@ pub extern "C" fn Servo_Shorthand_AnimationValues_Serialize(shorthand_property:
// about its lifetime. (longhands_to_css() expects &PropertyDeclaration
// iterator.)
let declarations: Vec<PropertyDeclaration> =
values.iter().map(|v| AnimationValue::as_arc(unsafe { &&*v.mRawPtr }).uncompute()).collect();
values.iter().map(|v| AnimationValue::as_arc(&&*v.mRawPtr).uncompute()).collect();
let mut string = String::new();
let rv = shorthand.longhands_to_css(declarations.iter(), &mut CssWriter::new(&mut string));
if rv.is_ok() {
let buffer = unsafe { buffer.as_mut().unwrap() };
buffer.assign_utf8(&string);
}
let _ = shorthand.longhands_to_css(
declarations.iter(),
&mut CssWriter::new(&mut *buffer),
);
}
#[no_mangle]