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Refactor text-emphasis-position to use ${helpers.predefined_type(..)}

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This commit is contained in:
Li Hao Tan 2018-04-01 00:57:32 +08:00
parent f7a495afa7
commit 8d5a2a9aeb
5 changed files with 113 additions and 89 deletions
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96
components/style/properties/longhand/inherited_text.mako.rs
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@ -206,93 +206,15 @@ ${helpers.predefined_type(
spec="https://drafts.csswg.org/css-text-decor/#propdef-text-emphasis-style",
)}
<%helpers:longhand name="text-emphasis-position" animation_value_type="discrete" products="gecko"
spec="https://drafts.csswg.org/css-text-decor/#propdef-text-emphasis-position">
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq)]
#[derive(ToComputedValue, ToCss)]
pub enum HorizontalWritingModeValue {
Over,
Under,
}
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq)]
#[derive(ToComputedValue, ToCss)]
pub enum VerticalWritingModeValue {
Right,
Left,
}
#[derive(Clone, Debug, MallocSizeOf, PartialEq, ToComputedValue, ToCss)]
pub struct SpecifiedValue(pub HorizontalWritingModeValue, pub VerticalWritingModeValue);
pub mod computed_value {
pub type T = super::SpecifiedValue;
}
pub fn get_initial_value() -> computed_value::T {
SpecifiedValue(HorizontalWritingModeValue::Over, VerticalWritingModeValue::Right)
}
pub fn parse<'i, 't>(_context: &ParserContext, input: &mut Parser<'i, 't>)
-> Result<SpecifiedValue, ParseError<'i>> {
if let Ok(horizontal) = input.try(|input| HorizontalWritingModeValue::parse(input)) {
let vertical = VerticalWritingModeValue::parse(input)?;
Ok(SpecifiedValue(horizontal, vertical))
} else {
let vertical = VerticalWritingModeValue::parse(input)?;
let horizontal = HorizontalWritingModeValue::parse(input)?;
Ok(SpecifiedValue(horizontal, vertical))
}
}
% if product == "gecko":
impl SpecifiedValue {
pub fn from_gecko_keyword(kw: u32) -> Self {
use gecko_bindings::structs;
let vert = if kw & structs::NS_STYLE_TEXT_EMPHASIS_POSITION_RIGHT != 0 {
VerticalWritingModeValue::Right
} else {
debug_assert!(kw & structs::NS_STYLE_TEXT_EMPHASIS_POSITION_LEFT != 0);
VerticalWritingModeValue::Left
};
let horiz = if kw & structs::NS_STYLE_TEXT_EMPHASIS_POSITION_OVER != 0 {
HorizontalWritingModeValue::Over
} else {
debug_assert!(kw & structs::NS_STYLE_TEXT_EMPHASIS_POSITION_UNDER != 0);
HorizontalWritingModeValue::Under
};
SpecifiedValue(horiz, vert)
}
}
impl From<u8> for SpecifiedValue {
fn from(bits: u8) -> SpecifiedValue {
SpecifiedValue::from_gecko_keyword(bits as u32)
}
}
impl From<SpecifiedValue> for u8 {
fn from(v: SpecifiedValue) -> u8 {
use gecko_bindings::structs;
let mut result = match v.0 {
HorizontalWritingModeValue::Over => structs::NS_STYLE_TEXT_EMPHASIS_POSITION_OVER,
HorizontalWritingModeValue::Under => structs::NS_STYLE_TEXT_EMPHASIS_POSITION_UNDER,
};
match v.1 {
VerticalWritingModeValue::Right => {
result |= structs::NS_STYLE_TEXT_EMPHASIS_POSITION_RIGHT;
}
VerticalWritingModeValue::Left => {
result |= structs::NS_STYLE_TEXT_EMPHASIS_POSITION_LEFT;
}
};
result as u8
}
}
% endif
</%helpers:longhand>
${helpers.predefined_type(
"text-emphasis-position",
"TextEmphasisPosition",
"computed::TextEmphasisPosition::over_right()",
initial_specified_value="specified::TextEmphasisPosition::over_right()",
products="gecko",
animation_value_type="discrete",
spec="https://drafts.csswg.org/css-text-decor/#propdef-text-emphasis-position",
)}
${helpers.predefined_type(
"text-emphasis-color",