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/* 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
<%namespace name="helpers" file="/helpers.mako.rs" />
<%helpers:shorthand name="text-decoration"
engines="gecko servo"
sub_properties="text-decoration-color text-decoration-line text-decoration-style
${' text-decoration-thickness' if engine == 'gecko' else ''}"
use crate::properties::longhands::{text_decoration_color, text_decoration_line, text_decoration_style};
% if engine == "gecko":
use crate::properties::longhands::text_decoration_thickness;
% endif
pub fn parse_value<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Longhands, ParseError<'i>> {
let (mut line, mut style, mut color, mut any) = (None, None, None, false);
% if engine == "gecko":
let mut thickness = None;
% endif
loop {
macro_rules! parse_component {
($value:ident, $module:ident) => (
if $value.is_none() {
if let Ok(value) = input.try_parse(|input| $module::parse(context, input)) {
$value = Some(value);
any = true;
continue;
}
}
)
}
parse_component!(line, text_decoration_line);
parse_component!(style, text_decoration_style);
parse_component!(color, text_decoration_color);
% if engine == "gecko":
parse_component!(thickness, text_decoration_thickness);
% endif
break;
}
if !any {
return Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError));
}
Ok(expanded! {
text_decoration_line: unwrap_or_initial!(text_decoration_line, line),
text_decoration_style: unwrap_or_initial!(text_decoration_style, style),
text_decoration_color: unwrap_or_initial!(text_decoration_color, color),
% if engine == "gecko":
text_decoration_thickness: unwrap_or_initial!(text_decoration_thickness, thickness),
% endif
})
}
impl<'a> ToCss for LonghandsToSerialize<'a> {
#[allow(unused)]
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
use crate::values::specified::TextDecorationLine;
use crate::values::specified::Color;
let (is_solid_style, is_current_color) =
(
*self.text_decoration_style == text_decoration_style::SpecifiedValue::Solid,
*self.text_decoration_color == Color::CurrentColor,
);
% if engine == "gecko":
let is_auto_thickness = self.text_decoration_thickness.is_auto();
% else:
let is_auto_thickness = true;
% endif
let mut has_value = false;
let is_none = *self.text_decoration_line == TextDecorationLine::none();
if (is_solid_style && is_current_color && is_auto_thickness) || !is_none {
self.text_decoration_line.to_css(dest)?;
has_value = true;
}
% if engine == "gecko":
if !is_auto_thickness {
if has_value {
dest.write_char(' ')?;
}
self.text_decoration_thickness.to_css(dest)?;
has_value = true;
}
% endif
if !is_solid_style {
if has_value {
dest.write_char(' ')?;
}
self.text_decoration_style.to_css(dest)?;
has_value = true;
}
if !is_current_color {
if has_value {
dest.write_char(' ')?;
}
self.text_decoration_color.to_css(dest)?;
has_value = true;
}
Ok(())
}
}
</%helpers:shorthand>