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Improve properties.mako.rs file structure, take 2

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This is a new attempt of #10586, after Simon Sapin's great cleanups in #10749 has landed. I have adjusted the changes to the new structure that was introduced, and also only done a few of the longhand ones. Will certainly continue on this as soon as we have a basic agreement that this style is reasonable.
This commit is contained in:
Per Lundberg 2016-04-21 00:06:25 +03:00
parent a6fc440125
commit d0489f1160
10 changed files with 358 additions and 305 deletions
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62
components/style/properties/longhand/border.mako.rs Normal file
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@ -0,0 +1,62 @@
/* 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 http://mozilla.org/MPL/2.0/. */
<%page args="data, helpers" />
<% data.new_style_struct("Border", inherited=False, gecko_ffi_name="nsStyleBorder",
additional_methods=[data.new_method("border_" + side + "_is_none_or_hidden_and_has_nonzero_width",
"bool") for side in ["top", "right", "bottom", "left"]]) %>
% for side in ["top", "right", "bottom", "left"]:
${helpers.predefined_type("border-%s-color" % side, "CSSColor", "::cssparser::Color::CurrentColor")}
% endfor
% for side in ["top", "right", "bottom", "left"]:
${helpers.predefined_type("border-%s-style" % side, "BorderStyle", "specified::BorderStyle::none")}
% endfor
% for side in ["top", "right", "bottom", "left"]:
<%helpers:longhand name="border-${side}-width">
use app_units::Au;
use cssparser::ToCss;
use std::fmt;
impl ToCss for SpecifiedValue {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
self.0.to_css(dest)
}
}
#[inline]
pub fn parse(_context: &ParserContext, input: &mut Parser)
-> Result<SpecifiedValue, ()> {
specified::parse_border_width(input).map(SpecifiedValue)
}
#[derive(Debug, Clone, PartialEq, HeapSizeOf)]
pub struct SpecifiedValue(pub specified::Length);
pub mod computed_value {
use app_units::Au;
pub type T = Au;
}
#[inline] pub fn get_initial_value() -> computed_value::T {
Au::from_px(3) // medium
}
impl ToComputedValue for SpecifiedValue {
type ComputedValue = computed_value::T;
#[inline]
fn to_computed_value<Cx: TContext>(&self, context: &Cx) -> computed_value::T {
self.0.to_computed_value(context)
}
}
</%helpers:longhand>
% endfor
// FIXME(#4126): when gfx supports painting it, make this Size2D<LengthOrPercentage>
% for corner in ["top-left", "top-right", "bottom-right", "bottom-left"]:
${helpers.predefined_type("border-" + corner + "-radius", "BorderRadiusSize",
"computed::BorderRadiusSize::zero()",
"parse")}
% endfor