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Less cloning

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This commit is contained in:
Simon Sapin 2020-03-31 21:32:31 +02:00
parent c377d9c48e
commit 08801d94cd
6 changed files with 83 additions and 71 deletions
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32
components/layout_2020/geom.rs
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@ -7,8 +7,8 @@ use std::fmt;
use std::ops::{Add, AddAssign, Sub};
use style::logical_geometry::{BlockFlowDirection, InlineBaseDirection};
use style::logical_geometry::{PhysicalCorner, WritingMode};
use style::values::computed::{Length, LengthOrAuto, LengthPercentage, LengthPercentageOrAuto};
use style::values::generics::length::MaxSize;
use style::values::computed::{Length, LengthPercentage};
use style::values::generics::length::GenericLengthPercentageOrAuto as AutoOr;
use style::Zero;
use style_traits::CSSPixel;
@ -16,6 +16,8 @@ pub type PhysicalPoint<U> = euclid::Point2D<U, CSSPixel>;
pub type PhysicalSize<U> = euclid::Size2D<U, CSSPixel>;
pub type PhysicalRect<U> = euclid::Rect<U, CSSPixel>;
pub type PhysicalSides<U> = euclid::SideOffsets2D<U, CSSPixel>;
pub type LengthOrAuto = AutoOr<Length>;
pub type LengthPercentageOrAuto<'a> = AutoOr<&'a LengthPercentage>;
pub(crate) mod flow_relative {
#[derive(Clone, Serialize)]
@ -107,7 +109,7 @@ impl flow_relative::Vec2<LengthOrAuto> {
}
}
impl flow_relative::Vec2<LengthPercentageOrAuto> {
impl flow_relative::Vec2<LengthPercentageOrAuto<'_>> {
pub fn percentages_relative_to(
&self,
containing_block: &ContainingBlock,
@ -123,24 +125,18 @@ impl flow_relative::Vec2<LengthPercentageOrAuto> {
}
}
impl flow_relative::Vec2<MaxSize<LengthPercentage>> {
impl flow_relative::Vec2<Option<&'_ LengthPercentage>> {
pub fn percentages_relative_to(
&self,
containing_block: &ContainingBlock,
) -> flow_relative::Vec2<Option<Length>> {
flow_relative::Vec2 {
inline: match self.inline {
MaxSize::None => None,
MaxSize::LengthPercentage(ref lp) => {
Some(lp.percentage_relative_to(containing_block.inline_size))
},
},
block: match self.block {
MaxSize::None => None,
MaxSize::LengthPercentage(ref lp) => {
lp.maybe_percentage_relative_to(containing_block.block_size.non_auto())
},
},
inline: self
.inline
.map(|lp| lp.percentage_relative_to(containing_block.inline_size)),
block: self.block.and_then(|lp| {
lp.maybe_percentage_relative_to(containing_block.block_size.non_auto())
}),
}
}
}
@ -280,13 +276,13 @@ impl<T> flow_relative::Sides<T> {
}
}
impl flow_relative::Sides<LengthPercentage> {
impl flow_relative::Sides<&'_ LengthPercentage> {
pub fn percentages_relative_to(&self, basis: Length) -> flow_relative::Sides<Length> {
self.map(|s| s.percentage_relative_to(basis))
}
}
impl flow_relative::Sides<LengthPercentageOrAuto> {
impl flow_relative::Sides<LengthPercentageOrAuto<'_>> {
pub fn percentages_relative_to(&self, basis: Length) -> flow_relative::Sides<LengthOrAuto> {
self.map(|s| s.percentage_relative_to(basis))
}