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#[doc(hidden)]
#[macro_export]
macro_rules! define_css_keyword_enum
{
($name: ident: values { $( $css: expr => $variant: ident),+, }
aliases { $( $alias: expr => $alias_variant: ident ),+, }) => {
__define_css_keyword_enum__add_optional_traits!($name [ $( $css => $variant ),+ ]
[ $( $alias => $alias_variant ),+ ]);
};
($name: ident: values { $( $css: expr => $variant: ident),+, }
aliases { $( $alias: expr => $alias_variant: ident ),* }) => {
__define_css_keyword_enum__add_optional_traits!($name [ $( $css => $variant ),+ ]
[ $( $alias => $alias_variant ),* ]);
};
($name: ident: values { $( $css: expr => $variant: ident),+ }
aliases { $( $alias: expr => $alias_variant: ident ),+, }) => {
__define_css_keyword_enum__add_optional_traits!($name [ $( $css => $variant ),+ ]
[ $( $alias => $alias_variant ),+ ]);
};
($name: ident: values { $( $css: expr => $variant: ident),+ }
aliases { $( $alias: expr => $alias_variant: ident ),* }) => {
__define_css_keyword_enum__add_optional_traits!($name [ $( $css => $variant ),+ ]
[ $( $alias => $alias_variant ),* ]);
};
($name: ident: $( $css: expr => $variant: ident ),+,) => {
__define_css_keyword_enum__add_optional_traits!($name [ $( $css => $variant ),+ ] []);
};
($name: ident: $( $css: expr => $variant: ident ),+) => {
__define_css_keyword_enum__add_optional_traits!($name [ $( $css => $variant ),+ ] []);
};
}
#[doc(hidden)]
#[macro_export]
macro_rules! __define_css_keyword_enum__add_optional_traits
{
($name: ident [ $( $css: expr => $variant: ident ),+ ]
[ $( $alias: expr => $alias_variant: ident),* ]) => {
__define_css_keyword_enum__actual! {
$name [ PartialOrd, Ord ]
[ $( $css => $variant ),+ ]
[ $( $alias => $alias_variant ),* ]
}
};
}
#[doc(hidden)]
#[macro_export]
macro_rules! __define_css_keyword_enum__actual
{
($name: ident [ $( $derived_trait: ident),* ]
[ $( $css: expr => $variant: ident ),+ ]
[ $( $alias: expr => $alias_variant: ident ),* ]) =>
{
#[allow(non_camel_case_types, missing_docs)]
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq$(, $derived_trait )* )]
pub enum $name
{
$( $variant ),+
}
impl $name
{
pub(crate) fn parse<'i, 't>(input: &mut ::cssparser::Parser<'i, 't>) -> Result<$name, ::cssparser::ParseError<'i, $crate::CustomParseError<'i>>>
{
let ident = input.expect_ident()?;
Self::from_ident(&ident).map_err(|()| ParseError::Basic(BasicParseError::UnexpectedToken(Token::Ident(ident.clone()))))
}
pub(crate) fn from_ident(ident: &str) -> Result<$name, ()>
{
match_ignore_ascii_case!
{
ident,
$( $css => Ok($name::$variant), )+
$( $alias => Ok($name::$alias_variant), )*
_ => Err(())
}
}
}
impl ToCss for $name
{
fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result
{
match *self
{
$( $name::$variant => dest.write_str($css) ),+
}
}
}
}
}