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style: Document style_traits and deny missing docs on it.

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Emilio Cobos Álvarez 2016-12-31 03:54:53 +01:00
parent 40a6a1f971
commit 82b6825a86
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4 changed files with 37 additions and 7 deletions
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11
components/style_traits/values.rs
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@ -2,6 +2,8 @@
* 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/. */
//! Helper types and traits for the handling of CSS values.
use app_units::Au;
use std::fmt;
@ -78,13 +80,14 @@ macro_rules! __define_css_keyword_enum__add_optional_traits {
#[macro_export]
macro_rules! __define_css_keyword_enum__actual {
($name: ident [ $( $derived_trait: ident),* ] [ $( $css: expr => $variant: ident ),+ ]) => {
#[allow(non_camel_case_types)]
#[allow(non_camel_case_types, missing_docs)]
#[derive(Clone, Eq, PartialEq, Copy, Hash, RustcEncodable, Debug $(, $derived_trait )* )]
pub enum $name {
$( $variant ),+
}
impl $name {
/// Parse this property from a CSS input stream.
pub fn parse(input: &mut ::cssparser::Parser) -> Result<$name, ()> {
match_ignore_ascii_case! { try!(input.expect_ident()),
$( $css => Ok($name::$variant), )+
@ -105,18 +108,23 @@ macro_rules! __define_css_keyword_enum__actual {
}
}
/// Helper types for the handling of specified values.
pub mod specified {
use app_units::Au;
/// Whether to allow negative values or not.
#[repr(u8)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum AllowedNumericType {
/// Allow all kind of numeric values.
All,
/// Allow only non-negative values.
NonNegative
}
impl AllowedNumericType {
/// Whether value is valid for this allowed numeric type.
#[inline]
pub fn is_ok(&self, value: f32) -> bool {
match *self {
@ -125,6 +133,7 @@ pub mod specified {
}
}
/// Clamp the value following the rules of this numeric type.
#[inline]
pub fn clamp(&self, val: Au) -> Au {
use std::cmp;