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Change LengthOrPercentageOrAuto to make use of NoCalcLength

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This commit is contained in:
Ravi Shankar 2017-01-23 23:55:20 +05:30
parent 590c9579f0
commit bdb08b9a82
5 changed files with 35 additions and 42 deletions
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6
components/style/values/specified/length.rs
View file

@ -989,7 +989,7 @@ impl Parse for LengthOrPercentage {
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
pub enum LengthOrPercentageOrAuto {
Length(Length),
Length(NoCalcLength),
Percentage(Percentage),
Auto,
Calc(Box<CalcLengthOrPercentage>),
@ -1022,11 +1022,11 @@ impl LengthOrPercentageOrAuto {
{
match try!(input.next()) {
Token::Dimension(ref value, ref unit) if context.is_ok(value.value) =>
Length::parse_dimension(value.value, unit).map(LengthOrPercentageOrAuto::Length),
NoCalcLength::parse_dimension(value.value, unit).map(LengthOrPercentageOrAuto::Length),
Token::Percentage(ref value) if context.is_ok(value.unit_value) =>
Ok(LengthOrPercentageOrAuto::Percentage(Percentage(value.unit_value))),
Token::Number(ref value) if value.value == 0. =>
Ok(LengthOrPercentageOrAuto::Length(Length::zero())),
Ok(LengthOrPercentageOrAuto::Length(NoCalcLength::zero())),
Token::Ident(ref value) if value.eq_ignore_ascii_case("auto") =>
Ok(LengthOrPercentageOrAuto::Auto),
Token::Function(ref name) if name.eq_ignore_ascii_case("calc") => {

12
components/style/viewport.rs
View file

@ -25,7 +25,7 @@ use style_traits::ToCss;
use style_traits::viewport::{Orientation, UserZoom, ViewportConstraints, Zoom};
use stylesheets::{Stylesheet, Origin};
use values::computed::{Context, ToComputedValue};
use values::specified::{Length, NoCalcLength, LengthOrPercentageOrAuto, ViewportPercentageLength};
use values::specified::{NoCalcLength, LengthOrPercentageOrAuto, ViewportPercentageLength};
macro_rules! declare_viewport_descriptor {
( $( $variant_name: expr => $variant: ident($data: ident), )+ ) => {
@ -150,16 +150,14 @@ impl FromMeta for ViewportLength {
Some(match value {
v if v.eq_ignore_ascii_case("device-width") =>
specified!(Length::NoCalc(
NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vw(100.)))),
specified!(NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vw(100.))),
v if v.eq_ignore_ascii_case("device-height") =>
specified!(Length::NoCalc(
NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vh(100.)))),
specified!(NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vh(100.))),
_ => {
match value.parse::<f32>() {
Ok(n) if n >= 0. => specified!(Length::from_px(n.max(1.).min(10000.))),
Ok(n) if n >= 0. => specified!(NoCalcLength::from_px(n.max(1.).min(10000.))),
Ok(_) => return None,
Err(_) => specified!(Length::from_px(1.))
Err(_) => specified!(NoCalcLength::from_px(1.))
}
}
})