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Support lang pseudo class

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This commit is contained in:
Keith Yeung 2017-02-07 20:24:21 -08:00
parent 050d9d9097
commit 7456bcf02b
63 changed files with 250 additions and 238 deletions
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70
components/style/servo/selector_parser.rs
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@ -8,7 +8,7 @@
use {Atom, Prefix, Namespace, LocalName};
use attr::{AttrIdentifier, AttrValue};
use cssparser::ToCss;
use cssparser::{Parser as CssParser, ToCss, serialize_identifier};
use element_state::ElementState;
use restyle_hints::ElementSnapshot;
use selector_parser::{ElementExt, PseudoElementCascadeType, SelectorParser};
@ -100,44 +100,52 @@ impl PseudoElement {
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
pub enum NonTSPseudoClass {
AnyLink,
Link,
Visited,
Active,
AnyLink,
Checked,
Disabled,
Enabled,
Focus,
Fullscreen,
Hover,
Enabled,
Disabled,
Checked,
Indeterminate,
ServoNonZeroBorder,
Lang(Box<str>),
Link,
PlaceholderShown,
ReadWrite,
ReadOnly,
PlaceholderShown,
ServoNonZeroBorder,
Target,
Visited,
}
impl ToCss for NonTSPseudoClass {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
use self::NonTSPseudoClass::*;
if let Lang(ref lang) = *self {
dest.write_str(":lang(")?;
serialize_identifier(lang, dest)?;
return dest.write_str(")");
}
dest.write_str(match *self {
AnyLink => ":any-link",
Link => ":link",
Visited => ":visited",
Active => ":active",
AnyLink => ":any-link",
Checked => ":checked",
Disabled => ":disabled",
Enabled => ":enabled",
Focus => ":focus",
Fullscreen => ":fullscreen",
Hover => ":hover",
Enabled => ":enabled",
Disabled => ":disabled",
Checked => ":checked",
Indeterminate => ":indeterminate",
Lang(_) => unreachable!(),
Link => ":link",
PlaceholderShown => ":placeholder-shown",
ReadWrite => ":read-write",
ReadOnly => ":read-only",
PlaceholderShown => ":placeholder-shown",
Target => ":target",
ServoNonZeroBorder => ":-servo-nonzero-border",
Target => ":target",
Visited => ":visited",
})
}
}
@ -162,6 +170,7 @@ impl NonTSPseudoClass {
Target => IN_TARGET_STATE,
AnyLink |
Lang(_) |
Link |
Visited |
ServoNonZeroBorder => ElementState::empty(),
@ -204,21 +213,21 @@ impl<'a> ::selectors::Parser for SelectorParser<'a> {
fn parse_non_ts_pseudo_class(&self, name: Cow<str>) -> Result<NonTSPseudoClass, ()> {
use self::NonTSPseudoClass::*;
let pseudo_class = match_ignore_ascii_case! { &name,
"any-link" => AnyLink,
"link" => Link,
"visited" => Visited,
"active" => Active,
"any-link" => AnyLink,
"checked" => Checked,
"disabled" => Disabled,
"enabled" => Enabled,
"focus" => Focus,
"fullscreen" => Fullscreen,
"hover" => Hover,
"enabled" => Enabled,
"disabled" => Disabled,
"checked" => Checked,
"indeterminate" => Indeterminate,
"link" => Link,
"placeholder-shown" => PlaceholderShown,
"read-write" => ReadWrite,
"read-only" => ReadOnly,
"placeholder-shown" => PlaceholderShown,
"target" => Target,
"visited" => Visited,
"-servo-nonzero-border" => {
if !self.in_user_agent_stylesheet() {
return Err(());
@ -231,6 +240,19 @@ impl<'a> ::selectors::Parser for SelectorParser<'a> {
Ok(pseudo_class)
}
fn parse_non_ts_functional_pseudo_class(&self,
name: Cow<str>,
parser: &mut CssParser)
-> Result<NonTSPseudoClass, ()> {
use self::NonTSPseudoClass::*;
let pseudo_class = match_ignore_ascii_case!{ &name,
"lang" => Lang(String::from(try!(parser.expect_ident_or_string())).into_boxed_str()),
_ => return Err(())
};
Ok(pseudo_class)
}
fn parse_pseudo_element(&self, name: Cow<str>) -> Result<PseudoElement, ()> {
use self::PseudoElement::*;
let pseudo_element = match_ignore_ascii_case! { &name,