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Auto merge of #10957 - heycam:number, r=bholley

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Support plain number-typed properties in geckolib

r? @bholley

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This change is [<img src="https://reviewable.io/review_button.svg" height="35" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/10957)
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This commit is contained in:
bors-servo 2016-05-02 21:58:17 -07:00
commit ddada69acb
9 changed files with 119 additions and 43 deletions
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3
components/style/properties/data.py
View file

@ -46,10 +46,11 @@ class Keyword(object):
class Longhand(object):
def __init__(self, style_struct, name, derived_from=None, keyword=None,
custom_cascade=False, experimental=False, internal=False,
predefined_type=None, custom_cascade=False, experimental=False, internal=False,
need_clone=False, gecko_ffi_name=None):
self.name = name
self.keyword = keyword
self.predefined_type = predefined_type
self.ident = to_rust_ident(name)
self.camel_case = to_camel_case(self.ident)
self.style_struct = style_struct

2
components/style/properties/helpers.mako.rs
View file

@ -17,7 +17,7 @@
</%def>
<%def name="predefined_type(name, type, initial_value, parse_method='parse', **kwargs)">
<%call expr="longhand(name, **kwargs)">
<%call expr="longhand(name, predefined_type=type, **kwargs)">
#[allow(unused_imports)]
use app_units::Au;
pub type SpecifiedValue = specified::${type};

43
components/style/properties/longhand/effects.mako.rs
View file

@ -7,46 +7,9 @@
// Box-shadow, etc.
<% data.new_style_struct("Effects", inherited=False) %>
<%helpers:longhand name="opacity">
use cssparser::ToCss;
use std::fmt;
use values::CSSFloat;
impl ToCss for SpecifiedValue {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
self.0.to_css(dest)
}
}
#[derive(Debug, Clone, PartialEq, HeapSizeOf)]
pub struct SpecifiedValue(pub CSSFloat);
pub mod computed_value {
use values::CSSFloat;
pub type T = CSSFloat;
}
#[inline]
pub fn get_initial_value() -> computed_value::T {
1.0
}
impl ToComputedValue for SpecifiedValue {
type ComputedValue = computed_value::T;
#[inline]
fn to_computed_value<Cx: TContext>(&self, _context: &Cx) -> computed_value::T {
if self.0 < 0.0 {
0.0
} else if self.0 > 1.0 {
1.0
} else {
self.0
}
}
}
fn parse(_context: &ParserContext, input: &mut Parser) -> Result<SpecifiedValue, ()> {
specified::parse_number(input).map(SpecifiedValue)
}
</%helpers:longhand>
${helpers.predefined_type("opacity",
"Opacity",
"1.0")}
<%helpers:longhand name="box-shadow">
use cssparser::{self, ToCss};

5
components/style/properties/longhand/position.mako.rs
View file

@ -63,6 +63,11 @@
// Flex container properties
${helpers.single_keyword("flex-direction", "row row-reverse column column-reverse", experimental=True)}
// Flex item properties
${helpers.predefined_type("flex-grow", "Number", "0.0", "parse_non_negative", products="gecko")}
${helpers.predefined_type("flex-shrink", "Number", "1.0", "parse_non_negative", products="gecko")}
// https://drafts.csswg.org/css-flexbox/#propdef-order
<%helpers:longhand name="order">
use values::computed::ComputedValueAsSpecified;

8
components/style/properties/longhand/svg.mako.rs
View file

@ -13,6 +13,14 @@ ${helpers.single_keyword("dominant-baseline",
${helpers.single_keyword("vector-effect", "none non-scaling-stroke", products="gecko")}
// Section 13 - Gradients and Patterns
${helpers.predefined_type("stop-opacity", "Opacity", "1.0", products="gecko")}
// Section 15 - Filter Effects
${helpers.predefined_type("flood-opacity", "Opacity", "1.0", products="gecko")}
// CSS Masking Module Level 1
// https://www.w3.org/TR/css-masking-1/
${helpers.single_keyword("mask-type", "luminance alpha", products="gecko")}

7
components/style/properties/longhand/svg_inherited.mako.rs
View file

@ -22,6 +22,8 @@ ${helpers.single_keyword("color-interpolation-filters",
products="gecko",
gecko_constant_prefix="NS_STYLE_COLOR_INTERPOLATION")}
${helpers.predefined_type("fill-opacity", "Opacity", "1.0", products="gecko")}
${helpers.single_keyword("fill-rule", "nonzero evenodd", products="gecko")}
${helpers.single_keyword("shape-rendering",
@ -32,6 +34,11 @@ ${helpers.single_keyword("stroke-linecap", "butt round square", products="gecko"
${helpers.single_keyword("stroke-linejoin", "miter round bevel", products="gecko")}
${helpers.predefined_type("stroke-miterlimit", "Number", "4.0", "parse_at_least_one",
products="gecko")}
${helpers.predefined_type("stroke-opacity", "Opacity", "1.0", products="gecko")}
// Section 14 - Clipping, Masking and Compositing
${helpers.single_keyword("clip-rule", "nonzero evenodd",
products="gecko",

3
components/style/properties/longhand/xul.mako.rs
View file

@ -10,3 +10,6 @@
${helpers.single_keyword("-moz-box-align", "stretch start center baseline end", products="gecko",
gecko_ffi_name="mBoxAlign", gecko_constant_prefix="NS_STYLE_BOX_ALIGN")}
${helpers.predefined_type("-moz-box-flex", "Number", "0.0", "parse_non_negative", products="gecko",
gecko_ffi_name="mBoxFlex")}

69
components/style/values.rs
View file

@ -1475,6 +1475,73 @@ pub mod specified {
write!(dest, "{}s", self.0)
}
}
#[derive(Clone, Copy, Debug, PartialEq, PartialOrd, HeapSizeOf)]
pub struct Number(pub CSSFloat);
impl Number {
pub fn parse(input: &mut Parser) -> Result<Number, ()> {
parse_number(input).map(Number)
}
fn parse_with_minimum(input: &mut Parser, min: CSSFloat) -> Result<Number, ()> {
match parse_number(input) {
Ok(value) if value < min => Err(()),
value => value.map(Number),
}
}
pub fn parse_non_negative(input: &mut Parser) -> Result<Number, ()> {
Number::parse_with_minimum(input, 0.0)
}
pub fn parse_at_least_one(input: &mut Parser) -> Result<Number, ()> {
Number::parse_with_minimum(input, 1.0)
}
}
impl ToComputedValue for Number {
type ComputedValue = CSSFloat;
#[inline]
fn to_computed_value<Cx: TContext>(&self, _: &Cx) -> CSSFloat { self.0 }
}
impl ToCss for Number {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
self.0.to_css(dest)
}
}
#[derive(Clone, Copy, Debug, PartialEq, PartialOrd, HeapSizeOf)]
pub struct Opacity(pub CSSFloat);
impl Opacity {
pub fn parse(input: &mut Parser) -> Result<Opacity, ()> {
parse_number(input).map(Opacity)
}
}
impl ToComputedValue for Opacity {
type ComputedValue = CSSFloat;
#[inline]
fn to_computed_value<Cx: TContext>(&self, _: &Cx) -> CSSFloat {
if self.0 < 0.0 {
0.0
} else if self.0 > 1.0 {
1.0
} else {
self.0
}
}
}
impl ToCss for Opacity {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
self.0.to_css(dest)
}
}
}
pub mod computed {
@ -2087,4 +2154,6 @@ pub mod computed {
}
}
pub type Length = Au;
pub type Number = CSSFloat;
pub type Opacity = CSSFloat;
}