style: Move border-image-repeat outside of mako.

components/style/values/computed/border.rs

@@ -5,8 +5,10 @@
 //! Computed types for CSS values related to borders.
 
 use app_units::Au;
+use std::fmt::{self, Write};
+use style_traits::{ToCss, CssWriter};
 use values::animated::ToAnimatedZero;
-use values::computed::{Number, NumberOrPercentage};
+use values::computed::{Context, Number, NumberOrPercentage, ToComputedValue};
 use values::computed::length::{LengthOrPercentage, NonNegativeLength};
 use values::generics::border::BorderCornerRadius as GenericBorderCornerRadius;
 use values::generics::border::BorderImageSideWidth as GenericBorderImageSideWidth;
@@ -15,6 +17,7 @@ use values::generics::border::BorderRadius as GenericBorderRadius;
 use values::generics::border::BorderSpacing as GenericBorderSpacing;
 use values::generics::rect::Rect;
 use values::generics::size::Size;
+use values::specified::border::{BorderImageRepeat as SpecifiedBorderImageRepeat, RepeatKeyword};
 
 /// A computed value for the `border-image-width` property.
 pub type BorderImageWidth = Rect<BorderImageSideWidth>;
@@ -81,3 +84,44 @@ impl ToAnimatedZero for BorderCornerRadius {
         Err(())
     }
 }
+
+/// The computed value of the `border-image-repeat` property:
+///
+/// https://drafts.csswg.org/css-backgrounds/#the-border-image-repeat
+#[derive(Clone, Debug, MallocSizeOf, PartialEq)]
+pub struct BorderImageRepeat(pub RepeatKeyword, pub RepeatKeyword);
+
+impl BorderImageRepeat {
+    /// Returns the `stretch` value.
+    pub fn stretch() -> Self {
+        BorderImageRepeat(RepeatKeyword::Stretch, RepeatKeyword::Stretch)
+    }
+}
+
+impl ToCss for BorderImageRepeat {
+    fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
+    where
+        W: Write,
+    {
+        self.0.to_css(dest)?;
+        if self.0 != self.1 {
+            dest.write_str(" ")?;
+            self.1.to_css(dest)?;
+        }
+        Ok(())
+    }
+}
+
+impl ToComputedValue for SpecifiedBorderImageRepeat {
+    type ComputedValue = BorderImageRepeat;
+
+    #[inline]
+    fn to_computed_value(&self, _: &Context) -> Self::ComputedValue {
+        BorderImageRepeat(self.0, self.1.unwrap_or(self.0))
+    }
+
+    #[inline]
+    fn from_computed_value(computed: &Self::ComputedValue) -> Self {
+        SpecifiedBorderImageRepeat(computed.0, Some(computed.1))
+    }
+}

components/style/values/computed/mod.rs

@@ -37,7 +37,7 @@ pub use self::align::{AlignItems, AlignContent, JustifyContent, SelfAlignment, J
 pub use self::align::{AlignSelf, JustifySelf};
 pub use self::angle::Angle;
 pub use self::background::{BackgroundSize, BackgroundRepeat};
-pub use self::border::{BorderImageSlice, BorderImageWidth, BorderImageSideWidth};
+pub use self::border::{BorderImageRepeat, BorderImageSlice, BorderImageWidth, BorderImageSideWidth};
 pub use self::border::{BorderRadius, BorderCornerRadius, BorderSpacing};
 pub use self::font::{FontSize, FontSizeAdjust, FontSynthesis, FontWeight, FontVariantAlternates};
 pub use self::font::{FontFamily, FontLanguageOverride, FontVariantSettings, FontVariantEastAsian};

components/style/values/specified/border.rs

@@ -171,3 +171,39 @@ impl Parse for BorderSpacing {
         }).map(GenericBorderSpacing)
     }
 }
+
+/// A single border-image-repeat keyword.
+#[allow(missing_docs)]
+#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
+#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq, ToCss)]
+pub enum RepeatKeyword {
+    Stretch,
+    Repeat,
+    Round,
+    Space,
+}
+
+/// The specified value for the `border-image-repeat` property.
+///
+/// https://drafts.csswg.org/css-backgrounds/#the-border-image-repeat
+#[derive(Clone, Debug, MallocSizeOf, PartialEq, ToCss)]
+pub struct BorderImageRepeat(pub RepeatKeyword, pub Option<RepeatKeyword>);
+
+impl BorderImageRepeat {
+    /// Returns the `stretch` value.
+    #[inline]
+    pub fn stretch() -> Self {
+        BorderImageRepeat(RepeatKeyword::Stretch, None)
+    }
+}
+
+impl Parse for BorderImageRepeat {
+    fn parse<'i, 't>(
+        _context: &ParserContext,
+        input: &mut Parser<'i, 't>,
+    ) -> Result<Self, ParseError<'i>> {
+        let horizontal = RepeatKeyword::parse(input)?;
+        let vertical = input.try(RepeatKeyword::parse).ok();
+        Ok(BorderImageRepeat(horizontal, vertical))
+    }
+}

components/style/values/specified/mod.rs

@@ -31,7 +31,7 @@ pub use self::align::{AlignContent, JustifyContent, AlignItems, ContentDistribut
 pub use self::align::{AlignSelf, JustifySelf};
 pub use self::background::{BackgroundRepeat, BackgroundSize};
 pub use self::border::{BorderCornerRadius, BorderImageSlice, BorderImageWidth};
-pub use self::border::{BorderImageSideWidth, BorderRadius, BorderSideWidth, BorderSpacing};
+pub use self::border::{BorderImageRepeat, BorderImageSideWidth, BorderRadius, BorderSideWidth, BorderSpacing};
 pub use self::font::{FontSize, FontSizeAdjust, FontSynthesis, FontWeight, FontVariantAlternates};
 pub use self::font::{FontFamily, FontLanguageOverride, FontVariantSettings, FontVariantEastAsian};
 pub use self::font::{FontVariantLigatures, FontVariantNumeric, FontFeatureSettings};