mirror of
https://github.com/servo/servo.git
synced 2025-10-04 02:29:12 +01:00
278 lines
9.9 KiB
Rust
278 lines
9.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
|
|
|
<%namespace name="helpers" file="/helpers.mako.rs" />
|
|
|
|
${helpers.two_properties_shorthand(
|
|
"overflow",
|
|
"overflow-x",
|
|
"overflow-y",
|
|
engines="gecko servo",
|
|
flags="SHORTHAND_IN_GETCS",
|
|
spec="https://drafts.csswg.org/css-overflow/#propdef-overflow",
|
|
)}
|
|
|
|
${helpers.two_properties_shorthand(
|
|
"overflow-clip-box",
|
|
"overflow-clip-box-block",
|
|
"overflow-clip-box-inline",
|
|
engines="gecko",
|
|
enabled_in="ua",
|
|
gecko_pref="layout.css.overflow-clip-box.enabled",
|
|
spec="Internal, may be standardized in the future "
|
|
"(https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-clip-box)",
|
|
)}
|
|
|
|
${helpers.two_properties_shorthand(
|
|
"overscroll-behavior",
|
|
"overscroll-behavior-x",
|
|
"overscroll-behavior-y",
|
|
engines="gecko",
|
|
gecko_pref="layout.css.overscroll-behavior.enabled",
|
|
spec="https://wicg.github.io/overscroll-behavior/#overscroll-behavior-properties",
|
|
)}
|
|
|
|
<%helpers:shorthand
|
|
engines="gecko"
|
|
name="container"
|
|
sub_properties="container-name container-type"
|
|
gecko_pref="layout.css.container-queries.enabled",
|
|
spec="https://drafts.csswg.org/css-contain-3/#container-shorthand"
|
|
>
|
|
pub fn parse_value<'i>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, '_>,
|
|
) -> Result<Longhands, ParseError<'i>> {
|
|
use crate::parser::Parse;
|
|
use crate::values::specified::box_::{ContainerName, ContainerType};
|
|
// See https://github.com/w3c/csswg-drafts/issues/7180 for why we don't
|
|
// match the spec.
|
|
let container_name = ContainerName::parse(context, input)?;
|
|
let container_type = if input.try_parse(|input| input.expect_delim('/')).is_ok() {
|
|
ContainerType::parse(context, input)?
|
|
} else {
|
|
ContainerType::NORMAL
|
|
};
|
|
Ok(expanded! {
|
|
container_name: container_name,
|
|
container_type: container_type,
|
|
})
|
|
}
|
|
|
|
impl<'a> ToCss for LonghandsToSerialize<'a> {
|
|
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
|
|
self.container_name.to_css(dest)?;
|
|
if !self.container_type.is_empty() {
|
|
dest.write_str(" / ")?;
|
|
self.container_type.to_css(dest)?;
|
|
}
|
|
Ok(())
|
|
}
|
|
}
|
|
</%helpers:shorthand>
|
|
|
|
<%helpers:shorthand
|
|
engines="gecko"
|
|
name="page-break-before"
|
|
flags="SHORTHAND_IN_GETCS IS_LEGACY_SHORTHAND"
|
|
sub_properties="break-before"
|
|
spec="https://drafts.csswg.org/css-break-3/#page-break-properties"
|
|
>
|
|
pub fn parse_value<'i>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, '_>,
|
|
) -> Result<Longhands, ParseError<'i>> {
|
|
use crate::values::specified::box_::BreakBetween;
|
|
Ok(expanded! {
|
|
break_before: BreakBetween::parse_legacy(context, input)?,
|
|
})
|
|
}
|
|
|
|
impl<'a> ToCss for LonghandsToSerialize<'a> {
|
|
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
|
|
self.break_before.to_css_legacy(dest)
|
|
}
|
|
}
|
|
</%helpers:shorthand>
|
|
|
|
<%helpers:shorthand
|
|
engines="gecko"
|
|
name="page-break-after"
|
|
flags="SHORTHAND_IN_GETCS IS_LEGACY_SHORTHAND"
|
|
sub_properties="break-after"
|
|
spec="https://drafts.csswg.org/css-break-3/#page-break-properties"
|
|
>
|
|
pub fn parse_value<'i>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, '_>,
|
|
) -> Result<Longhands, ParseError<'i>> {
|
|
use crate::values::specified::box_::BreakBetween;
|
|
Ok(expanded! {
|
|
break_after: BreakBetween::parse_legacy(context, input)?,
|
|
})
|
|
}
|
|
|
|
impl<'a> ToCss for LonghandsToSerialize<'a> {
|
|
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
|
|
self.break_after.to_css_legacy(dest)
|
|
}
|
|
}
|
|
</%helpers:shorthand>
|
|
|
|
<%helpers:shorthand
|
|
engines="gecko"
|
|
name="page-break-inside"
|
|
flags="SHORTHAND_IN_GETCS IS_LEGACY_SHORTHAND"
|
|
sub_properties="break-inside"
|
|
spec="https://drafts.csswg.org/css-break-3/#page-break-properties"
|
|
>
|
|
pub fn parse_value<'i>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, '_>,
|
|
) -> Result<Longhands, ParseError<'i>> {
|
|
use crate::values::specified::box_::BreakWithin;
|
|
Ok(expanded! {
|
|
break_inside: BreakWithin::parse_legacy(context, input)?,
|
|
})
|
|
}
|
|
|
|
impl<'a> ToCss for LonghandsToSerialize<'a> {
|
|
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
|
|
self.break_inside.to_css_legacy(dest)
|
|
}
|
|
}
|
|
</%helpers:shorthand>
|
|
|
|
<%helpers:shorthand name="offset"
|
|
engines="gecko"
|
|
sub_properties="offset-path offset-distance offset-rotate offset-anchor"
|
|
gecko_pref="layout.css.motion-path.enabled",
|
|
spec="https://drafts.fxtf.org/motion-1/#offset-shorthand">
|
|
use crate::parser::Parse;
|
|
use crate::values::specified::motion::{OffsetPath, OffsetRotate};
|
|
use crate::values::specified::position::PositionOrAuto;
|
|
use crate::values::specified::LengthPercentage;
|
|
use crate::Zero;
|
|
|
|
pub fn parse_value<'i, 't>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, 't>,
|
|
) -> Result<Longhands, ParseError<'i>> {
|
|
// FIXME: Bug 1559232: Support offset-position.
|
|
// Per the spec, this must have offet-position and/or offset-path. However, we don't
|
|
// support offset-position, so offset-path is necessary now.
|
|
let offset_path = OffsetPath::parse(context, input)?;
|
|
|
|
let mut offset_distance = None;
|
|
let mut offset_rotate = None;
|
|
loop {
|
|
if offset_distance.is_none() {
|
|
if let Ok(value) = input.try_parse(|i| LengthPercentage::parse(context, i)) {
|
|
offset_distance = Some(value);
|
|
}
|
|
}
|
|
|
|
if offset_rotate.is_none() {
|
|
if let Ok(value) = input.try_parse(|i| OffsetRotate::parse(context, i)) {
|
|
offset_rotate = Some(value);
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
let offset_anchor = input.try_parse(|i| {
|
|
i.expect_delim('/')?;
|
|
PositionOrAuto::parse(context, i)
|
|
}).ok();
|
|
|
|
Ok(expanded! {
|
|
offset_path: offset_path,
|
|
offset_distance: offset_distance.unwrap_or(LengthPercentage::zero()),
|
|
offset_rotate: offset_rotate.unwrap_or(OffsetRotate::auto()),
|
|
offset_anchor: offset_anchor.unwrap_or(PositionOrAuto::auto()),
|
|
})
|
|
}
|
|
|
|
impl<'a> ToCss for LonghandsToSerialize<'a> {
|
|
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
|
|
// FIXME: Bug 1559232: Support offset-position. We don't support offset-position,
|
|
// so always serialize offset-path now.
|
|
self.offset_path.to_css(dest)?;
|
|
|
|
if !self.offset_distance.is_zero() {
|
|
dest.write_str(" ")?;
|
|
self.offset_distance.to_css(dest)?;
|
|
}
|
|
|
|
if !self.offset_rotate.is_auto() {
|
|
dest.write_str(" ")?;
|
|
self.offset_rotate.to_css(dest)?;
|
|
}
|
|
|
|
if *self.offset_anchor != PositionOrAuto::auto() {
|
|
dest.write_str(" / ")?;
|
|
self.offset_anchor.to_css(dest)?;
|
|
}
|
|
Ok(())
|
|
}
|
|
}
|
|
</%helpers:shorthand>
|
|
|
|
<%helpers:shorthand name="zoom" engines="gecko"
|
|
sub_properties="transform transform-origin"
|
|
gecko_pref="layout.css.zoom-transform-hack.enabled"
|
|
flags="SHORTHAND_IN_GETCS IS_LEGACY_SHORTHAND"
|
|
spec="Not a standard, only a compat hack">
|
|
use crate::parser::Parse;
|
|
use crate::values::specified::{Number, NumberOrPercentage, TransformOrigin};
|
|
use crate::values::generics::transform::{Transform, TransformOperation};
|
|
|
|
pub fn parse_value<'i, 't>(
|
|
context: &ParserContext,
|
|
input: &mut Parser<'i, 't>,
|
|
) -> Result<Longhands, ParseError<'i>> {
|
|
let zoom = match input.try_parse(|input| NumberOrPercentage::parse(context, input)) {
|
|
Ok(number_or_percent) => number_or_percent.to_number(),
|
|
Err(..) => {
|
|
input.expect_ident_matching("normal")?;
|
|
Number::new(1.0)
|
|
},
|
|
};
|
|
|
|
// Make sure that the initial value matches the values for the
|
|
// longhands, just for general sanity. `zoom: 1` and `zoom: 0` are
|
|
// ignored, see [1][2]. They are just hack for the "has layout" mode on
|
|
// IE.
|
|
//
|
|
// [1]: https://bugs.webkit.org/show_bug.cgi?id=18467
|
|
// [2]: https://bugzilla.mozilla.org/show_bug.cgi?id=1593009
|
|
Ok(if zoom.get() == 1.0 || zoom.get() == 0.0 {
|
|
expanded! {
|
|
transform: Transform::none(),
|
|
transform_origin: TransformOrigin::initial_value(),
|
|
}
|
|
} else {
|
|
expanded! {
|
|
transform: Transform(vec![TransformOperation::Scale(zoom, zoom)].into()),
|
|
transform_origin: TransformOrigin::zero_zero(),
|
|
}
|
|
})
|
|
}
|
|
|
|
impl<'a> ToCss for LonghandsToSerialize<'a> {
|
|
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
|
|
if self.transform.0.is_empty() && *self.transform_origin == TransformOrigin::initial_value() {
|
|
return 1.0f32.to_css(dest);
|
|
}
|
|
if *self.transform_origin != TransformOrigin::zero_zero() {
|
|
return Ok(())
|
|
}
|
|
match &*self.transform.0 {
|
|
[TransformOperation::Scale(x, y)] if x == y => x.to_css(dest),
|
|
_ => Ok(()),
|
|
}
|
|
}
|
|
}
|
|
</%helpers:shorthand>
|