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Derive the most trivial ToCss implementations 🌋

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For now, all variants get serialised as the space-separated serialisations
of their fields. Unit variants are not supported.
This commit is contained in:
Anthony Ramine 2017-06-04 15:45:09 +02:00
parent 6d6f03974d
commit c4f1d647a0
18 changed files with 113 additions and 263 deletions
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55
components/style/values/specified/length.rs
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@ -531,8 +531,8 @@ impl NoCalcLength {
/// This is commonly used for the `<length>` values.
///
/// https://drafts.csswg.org/css-values/#lengths
#[derive(Clone, Debug, HasViewportPercentage, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Debug, HasViewportPercentage, PartialEq, ToCss)]
pub enum Length {
/// The internal length type that cannot parse `calc`
NoCalc(NoCalcLength),
@ -549,15 +549,6 @@ impl From<NoCalcLength> for Length {
}
}
impl ToCss for Length {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
Length::NoCalc(ref inner) => inner.to_css(dest),
Length::Calc(ref calc) => calc.to_css(dest),
}
}
}
impl Mul<CSSFloat> for Length {
type Output = Length;
@ -758,9 +749,9 @@ impl Parse for Percentage {
impl ComputedValueAsSpecified for Percentage {}
/// A length or a percentage value.
#[derive(Clone, Debug, HasViewportPercentage, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Debug, HasViewportPercentage, PartialEq, ToCss)]
pub enum LengthOrPercentage {
Length(NoCalcLength),
Percentage(Percentage),
@ -790,16 +781,6 @@ impl From<Percentage> for LengthOrPercentage {
}
}
impl ToCss for LengthOrPercentage {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
LengthOrPercentage::Length(ref length) => length.to_css(dest),
LengthOrPercentage::Percentage(percentage) => percentage.to_css(dest),
LengthOrPercentage::Calc(ref calc) => calc.to_css(dest),
}
}
}
impl LengthOrPercentage {
#[inline]
/// Returns a `zero` length.
@ -1213,25 +1194,14 @@ impl LengthOrNumber {
/// A value suitable for a `min-width` or `min-height` property.
/// Unlike `max-width` or `max-height` properties, a MozLength can be
/// `auto`, and cannot be `none`.
#[derive(Clone, Debug, HasViewportPercentage, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Debug, HasViewportPercentage, PartialEq, ToCss)]
pub enum MozLength {
LengthOrPercentageOrAuto(LengthOrPercentageOrAuto),
ExtremumLength(ExtremumLength),
}
impl ToCss for MozLength {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
MozLength::LengthOrPercentageOrAuto(ref lopoa) =>
lopoa.to_css(dest),
MozLength::ExtremumLength(ref ext) =>
ext.to_css(dest),
}
}
}
impl Parse for MozLength {
fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
MozLength::parse_quirky(context, input, AllowQuirks::No)
@ -1250,25 +1220,14 @@ impl MozLength {
}
/// A value suitable for a `max-width` or `max-height` property.
#[derive(Clone, Debug, HasViewportPercentage, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Debug, HasViewportPercentage, PartialEq, ToCss)]
pub enum MaxLength {
LengthOrPercentageOrNone(LengthOrPercentageOrNone),
ExtremumLength(ExtremumLength),
}
impl ToCss for MaxLength {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
MaxLength::LengthOrPercentageOrNone(ref lopon) =>
lopon.to_css(dest),
MaxLength::ExtremumLength(ref ext) =>
ext.to_css(dest),
}
}
}
impl Parse for MaxLength {
fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
MaxLength::parse_quirky(context, input, AllowQuirks::No)