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-rw-r--r--servo/components/style/values/specified/outline.rs71
1 files changed, 71 insertions, 0 deletions
diff --git a/servo/components/style/values/specified/outline.rs b/servo/components/style/values/specified/outline.rs
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+++ b/servo/components/style/values/specified/outline.rs
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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
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+//! Specified values for outline properties
+
+use crate::parser::{Parse, ParserContext};
+use crate::values::specified::BorderStyle;
+use cssparser::Parser;
+use selectors::parser::SelectorParseErrorKind;
+use style_traits::ParseError;
+
+#[derive(
+ Clone,
+ Copy,
+ Debug,
+ Eq,
+ MallocSizeOf,
+ Ord,
+ PartialEq,
+ PartialOrd,
+ SpecifiedValueInfo,
+ ToComputedValue,
+ ToCss,
+ ToResolvedValue,
+ ToShmem,
+)]
+#[repr(C, u8)]
+/// <https://drafts.csswg.org/css-ui/#propdef-outline-style>
+pub enum OutlineStyle {
+ /// auto
+ Auto,
+ /// <border-style>
+ BorderStyle(BorderStyle),
+}
+
+impl OutlineStyle {
+ #[inline]
+ /// Get default value as None
+ pub fn none() -> OutlineStyle {
+ OutlineStyle::BorderStyle(BorderStyle::None)
+ }
+
+ #[inline]
+ /// Get value for None or Hidden
+ pub fn none_or_hidden(&self) -> bool {
+ match *self {
+ OutlineStyle::Auto => false,
+ OutlineStyle::BorderStyle(ref style) => style.none_or_hidden(),
+ }
+ }
+}
+
+impl Parse for OutlineStyle {
+ fn parse<'i, 't>(
+ _context: &ParserContext,
+ input: &mut Parser<'i, 't>,
+ ) -> Result<OutlineStyle, ParseError<'i>> {
+ if let Ok(border_style) = input.try_parse(BorderStyle::parse) {
+ if let BorderStyle::Hidden = border_style {
+ return Err(input
+ .new_custom_error(SelectorParseErrorKind::UnexpectedIdent("hidden".into())));
+ }
+
+ return Ok(OutlineStyle::BorderStyle(border_style));
+ }
+
+ input.expect_ident_matching("auto")?;
+ Ok(OutlineStyle::Auto)
+ }
+}