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stylo: System font support for bitflag properties and font-language-override

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Manish Goregaokar 2017-03-21 20:38:12 -07:00 • committed by Manish Goregaokar
parent f973a9720d
commit 681df60191
5 changed files with 267 additions and 126 deletions
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38
components/style/properties/helpers.mako.rs
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@ -566,6 +566,44 @@
}
</%def>
<%def name="gecko_bitflags_conversion(bit_map, gecko_bit_prefix, type, kw_type='u8')">
#[cfg(feature = "gecko")]
impl ${type} {
/// Obtain a specified value from a Gecko keyword value
///
/// Intended for use with presentation attributes, not style structs
pub fn from_gecko_keyword(kw: ${kw_type}) -> Self {
% for gecko_bit in bit_map.values():
use gecko_bindings::structs::${gecko_bit_prefix}${gecko_bit};
% endfor
let mut bits = ${type}::empty();
% for servo_bit, gecko_bit in bit_map.iteritems():
if kw & (${gecko_bit_prefix}${gecko_bit} as ${kw_type}) != 0 {
bits |= ${servo_bit};
}
% endfor
bits
}
pub fn to_gecko_keyword(self) -> ${kw_type} {
% for gecko_bit in bit_map.values():
use gecko_bindings::structs::${gecko_bit_prefix}${gecko_bit};
% endfor
let mut bits: ${kw_type} = 0;
// FIXME: if we ensure that the Servo bitflags storage is the same
// as Gecko's one, we can just copy it.
% for servo_bit, gecko_bit in bit_map.iteritems():
if self.contains(${servo_bit}) {
bits |= ${gecko_bit_prefix}${gecko_bit} as ${kw_type};
}
% endfor
bits
}
}
</%def>
<%def name="single_keyword_computed(name, values, vector=False,
extra_specified=None, needs_conversion=False, **kwargs)">
<%