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/* 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 https://mozilla.org/MPL/2.0/. */
//! `list` specified values.
use crate::parser::{Parse, ParserContext};
#[cfg(feature = "gecko")]
use crate::values::generics::CounterStyle;
#[cfg(feature = "gecko")]
use crate::values::CustomIdent;
use cssparser::{Parser, Token};
use style_traits::{ParseError, StyleParseErrorKind};
/// Specified and computed `list-style-type` property.
#[cfg(feature = "gecko")]
#[derive(
Clone,
Debug,
Eq,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
pub enum ListStyleType {
/// `none`
None,
/// <counter-style>
CounterStyle(CounterStyle),
/// <string>
String(String),
}
#[cfg(feature = "gecko")]
impl ListStyleType {
/// Initial specified value for `list-style-type`.
#[inline]
pub fn disc() -> Self {
ListStyleType::CounterStyle(CounterStyle::disc())
}
/// Convert from gecko keyword to list-style-type.
///
/// This should only be used for mapping type attribute to
/// list-style-type, and thus only values possible in that
/// attribute is considered here.
pub fn from_gecko_keyword(value: u32) -> Self {
use crate::gecko_bindings::structs;
let v8 = value as u8;
if v8 == structs::ListStyle_None {
return ListStyleType::None;
}
ListStyleType::CounterStyle(CounterStyle::Name(CustomIdent(match v8 {
structs::ListStyle_Disc => atom!("disc"),
structs::ListStyle_Circle => atom!("circle"),
structs::ListStyle_Square => atom!("square"),
structs::ListStyle_Decimal => atom!("decimal"),
structs::ListStyle_LowerRoman => atom!("lower-roman"),
structs::ListStyle_UpperRoman => atom!("upper-roman"),
structs::ListStyle_LowerAlpha => atom!("lower-alpha"),
structs::ListStyle_UpperAlpha => atom!("upper-alpha"),
_ => unreachable!("Unknown counter style keyword value"),
})))
}
/// Is this a bullet? (i.e. `list-style-type: disc|circle|square|disclosure-closed|disclosure-open`)
#[inline]
pub fn is_bullet(&self) -> bool {
match self {
ListStyleType::CounterStyle(ref style) => style.is_bullet(),
_ => false,
}
}
}
#[cfg(feature = "gecko")]
impl Parse for ListStyleType {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
if let Ok(style) = input.try_parse(|i| CounterStyle::parse(context, i)) {
return Ok(ListStyleType::CounterStyle(style));
}
if input.try_parse(|i| i.expect_ident_matching("none")).is_ok() {
return Ok(ListStyleType::None);
}
Ok(ListStyleType::String(
input.expect_string()?.as_ref().to_owned(),
))
}
}
/// A quote pair.
#[derive(
Clone,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C)]
pub struct QuotePair {
/// The opening quote.
pub opening: crate::OwnedStr,
/// The closing quote.
pub closing: crate::OwnedStr,
}
/// List of quote pairs for the specified/computed value of `quotes` property.
#[derive(
Clone,
Debug,
Default,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(transparent)]
pub struct QuoteList(
#[css(iterable, if_empty = "none")]
#[ignore_malloc_size_of = "Arc"]
pub crate::ArcSlice<QuotePair>,
);
/// Specified and computed `quotes` property: `auto`, `none`, or a list
/// of characters.
#[derive(
Clone,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C)]
pub enum Quotes {
/// list of quote pairs
QuoteList(QuoteList),
/// auto (use lang-dependent quote marks)
Auto,
}
impl Parse for Quotes {
fn parse<'i, 't>(
_: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Quotes, ParseError<'i>> {
if input
.try_parse(|input| input.expect_ident_matching("auto"))
.is_ok()
{
return Ok(Quotes::Auto);
}
if input
.try_parse(|input| input.expect_ident_matching("none"))
.is_ok()
{
return Ok(Quotes::QuoteList(QuoteList::default()));
}
let mut quotes = Vec::new();
loop {
let location = input.current_source_location();
let opening = match input.next() {
Ok(&Token::QuotedString(ref value)) => value.as_ref().to_owned().into(),
Ok(t) => return Err(location.new_unexpected_token_error(t.clone())),
Err(_) => break,
};
let closing = input.expect_string()?.as_ref().to_owned().into();
quotes.push(QuotePair { opening, closing });
}
if !quotes.is_empty() {
Ok(Quotes::QuoteList(QuoteList(crate::ArcSlice::from_iter(
quotes.into_iter(),
))))
} else {
Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError))
}
}
}
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