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7fe7b2ffb1
Most of types just derive it using proc_macro directly. Some of value types need manual impl. In my current plan, this new trait will be used in bug 1434130 to expose values as well. Bug: 1455576 Reviewed-by: emilio MozReview-Commit-ID: LI7fy45VkRw
57 lines
1.7 KiB
Rust
57 lines
1.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Specified values for outline properties
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use cssparser::Parser;
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use parser::{Parse, ParserContext};
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use selectors::parser::SelectorParseErrorKind;
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use style_traits::ParseError;
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use values::specified::BorderStyle;
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#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Ord, PartialEq, PartialOrd,
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SpecifiedValueInfo, ToComputedValue, ToCss)]
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/// <https://drafts.csswg.org/css-ui/#propdef-outline-style>
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pub enum OutlineStyle {
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/// auto
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Auto,
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/// <border-style>
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Other(BorderStyle),
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}
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impl OutlineStyle {
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#[inline]
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/// Get default value as None
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pub fn none() -> OutlineStyle {
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OutlineStyle::Other(BorderStyle::None)
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}
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#[inline]
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/// Get value for None or Hidden
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pub fn none_or_hidden(&self) -> bool {
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match *self {
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OutlineStyle::Auto => false,
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OutlineStyle::Other(ref border_style) => border_style.none_or_hidden(),
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}
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}
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}
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impl Parse for OutlineStyle {
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fn parse<'i, 't>(
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_context: &ParserContext,
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input: &mut Parser<'i, 't>,
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) -> Result<OutlineStyle, ParseError<'i>> {
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if let Ok(border_style) = input.try(BorderStyle::parse) {
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if let BorderStyle::Hidden = border_style {
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return Err(input
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.new_custom_error(SelectorParseErrorKind::UnexpectedIdent("hidden".into())));
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}
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return Ok(OutlineStyle::Other(border_style));
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}
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input.expect_ident_matching("auto")?;
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Ok(OutlineStyle::Auto)
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}
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}
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