Rename LengthOrPercentageOrAutoOrContent to FlexBasis

components/style/values/generics/flex.rs

@@ -0,0 +1,37 @@
+/* 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/. */
+
+//! Generic types for CSS values related to flexbox.
+
+use values::specified::Percentage;
+
+/// A generic value for the `flex-basis` property.
+#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
+#[derive(Clone, Copy, Debug, HasViewportPercentage, PartialEq, ToComputedValue, ToCss)]
+pub enum FlexBasis<LengthOrPercentage> {
+    /// `auto`
+    Auto,
+    /// `content`
+    Content,
+    /// `<length-percentage>`
+    Length(LengthOrPercentage),
+}
+
+impl<L> FlexBasis<L> {
+    /// Returns `auto`.
+    #[inline]
+    pub fn auto() -> Self {
+        FlexBasis::Auto
+    }
+}
+
+impl<L> FlexBasis<L>
+where Percentage: Into<L>,
+{
+    /// Returns `0%`.
+    #[inline]
+    pub fn zero_percent() -> Self {
+        FlexBasis::Length(Percentage(0.).into())
+    }
+}