servo/components/style/values/specified/box.rs
2017-08-30 23:01:12 +02:00

41 lines
1.6 KiB
Rust

/* 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/. */
//! Specified types for box properties.
use cssparser::Parser;
use parser::{Parse, ParserContext};
use style_traits::ParseError;
use values::generics::box_::VerticalAlign as GenericVerticalAlign;
use values::specified::AllowQuirks;
use values::specified::length::LengthOrPercentage;
/// A specified value for the `vertical-align` property.
pub type VerticalAlign = GenericVerticalAlign<LengthOrPercentage>;
impl Parse for VerticalAlign {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
if let Ok(lop) = input.try(|i| LengthOrPercentage::parse_quirky(context, i, AllowQuirks::Yes)) {
return Ok(GenericVerticalAlign::Length(lop));
}
try_match_ident_ignore_ascii_case! { input.expect_ident()?,
"baseline" => Ok(GenericVerticalAlign::Baseline),
"sub" => Ok(GenericVerticalAlign::Sub),
"super" => Ok(GenericVerticalAlign::Super),
"top" => Ok(GenericVerticalAlign::Top),
"text-top" => Ok(GenericVerticalAlign::TextTop),
"middle" => Ok(GenericVerticalAlign::Middle),
"bottom" => Ok(GenericVerticalAlign::Bottom),
"text-bottom" => Ok(GenericVerticalAlign::TextBottom),
#[cfg(feature = "gecko")]
"-moz-middle-with-baseline" => {
Ok(GenericVerticalAlign::MozMiddleWithBaseline)
},
}
}
}