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Support possibly-vector keyword properties

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This commit is contained in:
Manish Goregaokar 2016-08-19 15:53:03 +05:30
parent 57340e4310
commit ce9640a48e
1 changed files with 20 additions and 6 deletions
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26
components/style/properties/helpers.mako.rs
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@ -285,8 +285,11 @@
}
</%def>
<%def name="single_keyword(name, values, **kwargs)">
<%call expr="single_keyword_computed(name, values, **kwargs)">
<%def name="maybe_vector_longhand(name, maybe, **kwargs)">
</%def>
<%def name="single_keyword(name, values, vector=False, **kwargs)">
<%call expr="single_keyword_computed(name, values, vector, **kwargs)">
use values::computed::ComputedValueAsSpecified;
use values::NoViewportPercentage;
impl ComputedValueAsSpecified for SpecifiedValue {}
@ -294,16 +297,16 @@
</%call>
</%def>
<%def name="single_keyword_computed(name, values, **kwargs)">
<%def name="single_keyword_computed(name, values, vector=False, **kwargs)">
<%
keyword_kwargs = {a: kwargs.pop(a, None) for a in [
'gecko_constant_prefix', 'gecko_enum_prefix',
'extra_gecko_values', 'extra_servo_values',
]}
%>
<%call expr="longhand(name, keyword=Keyword(name, values, **keyword_kwargs), **kwargs)">
<%def name="inner_body()">
pub use self::computed_value::T as SpecifiedValue;
${caller.body()}
pub mod computed_value {
define_css_keyword_enum! { T:
% for value in data.longhands_by_name[name].keyword.values_for(product):
@ -320,7 +323,18 @@
-> Result<SpecifiedValue, ()> {
computed_value::T::parse(input)
}
</%call>
</%def>
% if vector:
<%call expr="vector_longhand(name, keyword=Keyword(name, values, **keyword_kwargs), **kwargs)">
${inner_body()}
${caller.body()}
</%call>
% else:
<%call expr="longhand(name, keyword=Keyword(name, values, **keyword_kwargs), **kwargs)">
${inner_body()}
${caller.body()}
</%call>
% endif
</%def>
<%def name="keyword_list(name, values, **kwargs)">