/rust/registry/src/index.crates.io-1949cf8c6b5b557f/lightningcss-1.0.0-alpha.72/src/values/ident.rs

Source
//! CSS identifiers.

use crate::error::{ParserError, PrinterError};
use crate::printer::Printer;
use crate::properties::css_modules::Specifier;
use crate::traits::{Parse, ParseWithOptions, ToCss};
use crate::values::string::CowArcStr;
#[cfg(feature = "visitor")]
use crate::visitor::Visit;
use cssparser::*;
use smallvec::SmallVec;
use std::borrow::Borrow;
use std::ops::Deref;

use super::string::impl_string_type;

/// A CSS [`<custom-ident>`](https://www.w3.org/TR/css-values-4/#custom-idents).
///
/// Custom idents are author defined, and allow any valid identifier except the
/// [CSS-wide keywords](https://www.w3.org/TR/css-values-4/#css-wide-keywords).
/// They may be renamed to include a hash when compiled as part of a CSS module.
#[derive(Debug, Clone, Eq, Hash)]
#[cfg_attr(feature = "visitor", derive(Visit))]
#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
#[cfg_attr(feature = "visitor", visit(visit_custom_ident, CUSTOM_IDENTS))]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize), serde(transparent))]
#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
pub struct CustomIdent<'i>(#[cfg_attr(feature = "serde", serde(borrow))] pub CowArcStr<'i>);

impl<'i> Parse<'i> for CustomIdent<'i> {
  fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
    let location = input.current_source_location();
    let ident = input.expect_ident()?;
    let valid = match_ignore_ascii_case! { &ident,
      "initial" | "inherit" | "unset" | "default" | "revert" | "revert-layer" => false,
      _ => true
    };

    if !valid {
      return Err(location.new_unexpected_token_error(Token::Ident(ident.clone())));
    }

    Ok(CustomIdent(ident.into()))
  }
}

impl<'i> ToCss for CustomIdent<'i> {
  fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
  where
    W: std::fmt::Write,
  {
    self.to_css_with_options(dest, true)
  }
}

impl<'i> CustomIdent<'i> {
  /// Write the custom ident to CSS.
  pub(crate) fn to_css_with_options<W>(
    &self,
    dest: &mut Printer<W>,
    enabled_css_modules: bool,
  ) -> Result<(), PrinterError>
  where
    W: std::fmt::Write,
  {
    let css_module_custom_idents_enabled = enabled_css_modules
      && dest
        .css_module
        .as_mut()
        .map_or(false, |css_module| css_module.config.custom_idents);
    dest.write_ident(&self.0, css_module_custom_idents_enabled)
  }
}

/// A list of CSS [`<custom-ident>`](https://www.w3.org/TR/css-values-4/#custom-idents) values.
pub type CustomIdentList<'i> = SmallVec<[CustomIdent<'i>; 1]>;

/// The `none` keyword, or a space-separated list of custom idents.
#[derive(Debug, Clone, PartialEq, Default)]
#[cfg_attr(feature = "visitor", derive(Visit))]
#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
#[cfg_attr(
  feature = "serde",
  derive(serde::Serialize, serde::Deserialize),
  serde(rename_all = "kebab-case")
)]
#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
pub enum NoneOrCustomIdentList<'i> {
  /// None.
  #[default]
  None,
  /// A list of idents.
  #[cfg_attr(feature = "serde", serde(borrow, untagged))]
  Idents(SmallVec<[CustomIdent<'i>; 1]>),
}

impl<'i> Parse<'i> for NoneOrCustomIdentList<'i> {
  fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
    let mut types = SmallVec::new();
    loop {
      if let Ok(ident) = input.try_parse(CustomIdent::parse) {
        if ident == "none" {
          if types.is_empty() {
            return Ok(NoneOrCustomIdentList::None);
          } else {
            return Err(input.new_custom_error(ParserError::InvalidValue));
          }
        }

        types.push(ident);
      } else {
        return Ok(NoneOrCustomIdentList::Idents(types));
      }
    }
  }
}

impl<'i> ToCss for NoneOrCustomIdentList<'i> {
  fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
  where
    W: std::fmt::Write,
  {
    match self {
      NoneOrCustomIdentList::None => dest.write_str("none"),
      NoneOrCustomIdentList::Idents(types) => {
        let mut first = true;
        for ident in types {
          if !first {
            dest.write_char(' ')?;
          } else {
            first = false;
          }
          ident.to_css(dest)?;
        }
        Ok(())
      }
    }
  }
}

/// A CSS [`<dashed-ident>`](https://www.w3.org/TR/css-values-4/#dashed-idents) declaration.
///
/// Dashed idents are used in cases where an identifier can be either author defined _or_ CSS-defined.
/// Author defined idents must start with two dash characters ("--") or parsing will fail.
#[derive(Debug, Clone, Eq, Hash)]
#[cfg_attr(feature = "visitor", derive(Visit))]
#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
#[cfg_attr(feature = "visitor", visit(visit_dashed_ident, DASHED_IDENTS))]
#[cfg_attr(feature = "serde", derive(serde::Serialize), serde(transparent))]
#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
pub struct DashedIdent<'i>(#[cfg_attr(feature = "serde", serde(borrow))] pub CowArcStr<'i>);

impl<'i> Parse<'i> for DashedIdent<'i> {
  fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
    let location = input.current_source_location();
    let ident = input.expect_ident()?;
    if !ident.starts_with("--") {
      return Err(location.new_unexpected_token_error(Token::Ident(ident.clone())));
    }

    Ok(DashedIdent(ident.into()))
  }
}

impl<'i> ToCss for DashedIdent<'i> {
  fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
  where
    W: std::fmt::Write,
  {
    dest.write_dashed_ident(&self.0, true)
  }
}

#[cfg(feature = "serde")]
impl<'i, 'de: 'i> serde::Deserialize<'de> for DashedIdent<'i> {
  fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
  where
    D: serde::Deserializer<'de>,
  {
    let ident = CowArcStr::deserialize(deserializer)?;
    if !ident.starts_with("--") {
      return Err(serde::de::Error::custom("Dashed idents must start with --"));
    }

    Ok(DashedIdent(ident))
  }
}

/// A CSS [`<dashed-ident>`](https://www.w3.org/TR/css-values-4/#dashed-idents) reference.
///
/// Dashed idents are used in cases where an identifier can be either author defined _or_ CSS-defined.
/// Author defined idents must start with two dash characters ("--") or parsing will fail.
///
/// In CSS modules, when the `dashed_idents` option is enabled, the identifier may be followed by the
/// `from` keyword and an argument indicating where the referenced identifier is declared (e.g. a filename).
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "visitor", derive(Visit))]
#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
pub struct DashedIdentReference<'i> {
  /// The referenced identifier.
  #[cfg_attr(feature = "serde", serde(borrow))]
  pub ident: DashedIdent<'i>,
  /// CSS modules extension: the filename where the variable is defined.
  /// Only enabled when the CSS modules `dashed_idents` option is turned on.
  pub from: Option<Specifier<'i>>,
}

impl<'i> ParseWithOptions<'i> for DashedIdentReference<'i> {
  fn parse_with_options<'t>(
    input: &mut Parser<'i, 't>,
    options: &crate::stylesheet::ParserOptions,
  ) -> Result<Self, ParseError<'i, ParserError<'i>>> {
    let ident = DashedIdent::parse(input)?;

    let from = match &options.css_modules {
      Some(config) if config.dashed_idents => {
        if input.try_parse(|input| input.expect_ident_matching("from")).is_ok() {
          Some(Specifier::parse(input)?)
        } else {
          None
        }
      }
      _ => None,
    };

    Ok(DashedIdentReference { ident, from })
  }
}

impl<'i> ToCss for DashedIdentReference<'i> {
  fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
  where
    W: std::fmt::Write,
  {
    match &mut dest.css_module {
      Some(css_module) if css_module.config.dashed_idents => {
        if let Some(name) = css_module.reference_dashed(&self.ident.0, &self.from, dest.loc.source_index) {
          dest.write_str("--")?;
          serialize_name(&name, dest)?;
          return Ok(());
        }
      }
      _ => {}
    }

    dest.write_dashed_ident(&self.ident.0, false)
  }
}

/// A CSS [`<ident>`](https://www.w3.org/TR/css-values-4/#css-css-identifier).
#[derive(Debug, Clone, Eq, Hash, Default)]
#[cfg_attr(feature = "visitor", derive(Visit))]
#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize), serde(transparent))]
#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
pub struct Ident<'i>(#[cfg_attr(feature = "serde", serde(borrow))] pub CowArcStr<'i>);

impl<'i> Parse<'i> for Ident<'i> {
  fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
    let ident = input.expect_ident()?;
    Ok(Ident(ident.into()))
  }
}

impl<'i> ToCss for Ident<'i> {
  fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
  where
    W: std::fmt::Write,
  {
    serialize_identifier(&self.0, dest)?;
    Ok(())
  }
}

impl<'i> cssparser::ToCss for Ident<'i> {
  fn to_css<W>(&self, dest: &mut W) -> std::fmt::Result
  where
    W: std::fmt::Write,
  {
    serialize_identifier(&self.0, dest)
  }
}

impl_string_type!(Ident);
impl_string_type!(CustomIdent);
impl_string_type!(DashedIdent);

Coverage Report

Created: 2026-10-28 07:08

Line	Count	Source
1		//! CSS identifiers.
2
3		use crate::error::{ParserError, PrinterError};
4		use crate::printer::Printer;
5		use crate::properties::css_modules::Specifier;
6		use crate::traits::{Parse, ParseWithOptions, ToCss};
7		use crate::values::string::CowArcStr;
8		#[cfg(feature = "visitor")]
9		use crate::visitor::Visit;
10		use cssparser::*;
11		use smallvec::SmallVec;
12		use std::borrow::Borrow;
13		use std::ops::Deref;
14
15		use super::string::impl_string_type;
16
17		/// A CSS [`<custom-ident>`](https://www.w3.org/TR/css-values-4/#custom-idents).
18		///
19		/// Custom idents are author defined, and allow any valid identifier except the
20		/// [CSS-wide keywords](https://www.w3.org/TR/css-values-4/#css-wide-keywords).
21		/// They may be renamed to include a hash when compiled as part of a CSS module.
22		#[derive(Debug, Clone, Eq, Hash)]
23	0	#[cfg_attr(feature = "visitor", derive(Visit))] Unexecuted instantiation: <lightningcss::values::ident::CustomIdent as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::ValueCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::CustomIdent as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::FirstRgbColorCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::CustomIdent as lightningcss::visitor::Visit<_, _>>::visit_children
24		#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
25		#[cfg_attr(feature = "visitor", visit(visit_custom_ident, CUSTOM_IDENTS))]
26		#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize), serde(transparent))]
27		#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
28		pub struct CustomIdent<'i>(#[cfg_attr(feature = "serde", serde(borrow))] pub CowArcStr<'i>);
29
30		impl<'i> Parse<'i> for CustomIdent<'i> {
31	138k	fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
32	138k	let location = input.current_source_location();
33	138k	let ident = input.expect_ident()?;
34	97.9k	let valid = match_ignore_ascii_case! { &ident,
35	97.9k	"initial" \| "inherit" \| "unset" \| "default" \| "revert" \| "revert-layer" => false,
36	97.9k	_ => true
37		};
38
39	97.9k	if !valid {
40	18	return Err(location.new_unexpected_token_error(Token::Ident(ident.clone())));
41	97.9k	}
42
43	97.9k	Ok(CustomIdent(ident.into()))
44	138k	}
45		}
46
47		impl<'i> ToCss for CustomIdent<'i> {
48	0	fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
49	0	where
50	0	W: std::fmt::Write,
51		{
52	0	self.to_css_with_options(dest, true)
53	0	}
54		}
55
56		impl<'i> CustomIdent<'i> {
57		/// Write the custom ident to CSS.
58	0	pub(crate) fn to_css_with_options<W>(
59	0	&self,
60	0	dest: &mut Printer<W>,
61	0	enabled_css_modules: bool,
62	0	) -> Result<(), PrinterError>
63	0	where
64	0	W: std::fmt::Write,
65		{
66	0	let css_module_custom_idents_enabled = enabled_css_modules
67	0	&& dest
68	0	.css_module
69	0	.as_mut()
70	0	.map_or(false, \|css_module\| css_module.config.custom_idents);
71	0	dest.write_ident(&self.0, css_module_custom_idents_enabled)
72	0	}
73		}
74
75		/// A list of CSS [`<custom-ident>`](https://www.w3.org/TR/css-values-4/#custom-idents) values.
76		pub type CustomIdentList<'i> = SmallVec<[CustomIdent<'i>; 1]>;
77
78		/// The `none` keyword, or a space-separated list of custom idents.
79		#[derive(Debug, Clone, PartialEq, Default)]
80	0	#[cfg_attr(feature = "visitor", derive(Visit))] Unexecuted instantiation: <lightningcss::values::ident::NoneOrCustomIdentList as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::ValueCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::NoneOrCustomIdentList as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::FirstRgbColorCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::NoneOrCustomIdentList as lightningcss::visitor::Visit<_, _>>::visit_children
81		#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
82		#[cfg_attr(
83		feature = "serde",
84		derive(serde::Serialize, serde::Deserialize),
85		serde(rename_all = "kebab-case")
86		)]
87		#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
88		pub enum NoneOrCustomIdentList<'i> {
89		/// None.
90		#[default]
91		None,
92		/// A list of idents.
93		#[cfg_attr(feature = "serde", serde(borrow, untagged))]
94		Idents(SmallVec<[CustomIdent<'i>; 1]>),
95		}
96
97		impl<'i> Parse<'i> for NoneOrCustomIdentList<'i> {
98	14	fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
99	14	let mut types = SmallVec::new();
100		loop {
101	29	if let Ok(ident) = input.try_parse(CustomIdent::parse) {
102	15	if ident == "none" {
103	0	if types.is_empty() {
104	0	return Ok(NoneOrCustomIdentList::None);
105		} else {
106	0	return Err(input.new_custom_error(ParserError::InvalidValue));
107		}
108	15	}
109
110	15	types.push(ident);
111		} else {
112	14	return Ok(NoneOrCustomIdentList::Idents(types));
113		}
114		}
115	14	}
116		}
117
118		impl<'i> ToCss for NoneOrCustomIdentList<'i> {
119	0	fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
120	0	where
121	0	W: std::fmt::Write,
122		{
123	0	match self {
124	0	NoneOrCustomIdentList::None => dest.write_str("none"),
125	0	NoneOrCustomIdentList::Idents(types) => {
126	0	let mut first = true;
127	0	for ident in types {
128	0	if !first {
129	0	dest.write_char(' ')?;
130	0	} else {
131	0	first = false;
132	0	}
133	0	ident.to_css(dest)?;
134		}
135	0	Ok(())
136		}
137		}
138	0	}
139		}
140
141		/// A CSS [`<dashed-ident>`](https://www.w3.org/TR/css-values-4/#dashed-idents) declaration.
142		///
143		/// Dashed idents are used in cases where an identifier can be either author defined _or_ CSS-defined.
144		/// Author defined idents must start with two dash characters ("--") or parsing will fail.
145		#[derive(Debug, Clone, Eq, Hash)]
146	0	#[cfg_attr(feature = "visitor", derive(Visit))] Unexecuted instantiation: <lightningcss::values::ident::DashedIdent as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::ValueCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::DashedIdent as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::FirstRgbColorCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::DashedIdent as lightningcss::visitor::Visit<_, _>>::visit_children
147		#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
148		#[cfg_attr(feature = "visitor", visit(visit_dashed_ident, DASHED_IDENTS))]
149		#[cfg_attr(feature = "serde", derive(serde::Serialize), serde(transparent))]
150		#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
151		pub struct DashedIdent<'i>(#[cfg_attr(feature = "serde", serde(borrow))] pub CowArcStr<'i>);
152
153		impl<'i> Parse<'i> for DashedIdent<'i> {
154	82.8k	fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
155	82.8k	let location = input.current_source_location();
156	82.8k	let ident = input.expect_ident()?;
157	27.6k	if !ident.starts_with("--") {
158	18.5k	return Err(location.new_unexpected_token_error(Token::Ident(ident.clone())));
159	9.06k	}
160
161	9.06k	Ok(DashedIdent(ident.into()))
162	82.8k	}
163		}
164
165		impl<'i> ToCss for DashedIdent<'i> {
166	0	fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
167	0	where
168	0	W: std::fmt::Write,
169		{
170	0	dest.write_dashed_ident(&self.0, true)
171	0	}
172		}
173
174		#[cfg(feature = "serde")]
175		impl<'i, 'de: 'i> serde::Deserialize<'de> for DashedIdent<'i> {
176		fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
177		where
178		D: serde::Deserializer<'de>,
179		{
180		let ident = CowArcStr::deserialize(deserializer)?;
181		if !ident.starts_with("--") {
182		return Err(serde::de::Error::custom("Dashed idents must start with --"));
183		}
184
185		Ok(DashedIdent(ident))
186		}
187		}
188
189		/// A CSS [`<dashed-ident>`](https://www.w3.org/TR/css-values-4/#dashed-idents) reference.
190		///
191		/// Dashed idents are used in cases where an identifier can be either author defined _or_ CSS-defined.
192		/// Author defined idents must start with two dash characters ("--") or parsing will fail.
193		///
194		/// In CSS modules, when the `dashed_idents` option is enabled, the identifier may be followed by the
195		/// `from` keyword and an argument indicating where the referenced identifier is declared (e.g. a filename).
196		#[derive(Debug, Clone, PartialEq)]
197	0	#[cfg_attr(feature = "visitor", derive(Visit))] Unexecuted instantiation: <lightningcss::values::ident::DashedIdentReference as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::ValueCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::DashedIdentReference as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::FirstRgbColorCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::DashedIdentReference as lightningcss::visitor::Visit<_, _>>::visit_children
198		#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
199		#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
200		#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
201		pub struct DashedIdentReference<'i> {
202		/// The referenced identifier.
203		#[cfg_attr(feature = "serde", serde(borrow))]
204		pub ident: DashedIdent<'i>,
205		/// CSS modules extension: the filename where the variable is defined.
206		/// Only enabled when the CSS modules `dashed_idents` option is turned on.
207		pub from: Option<Specifier<'i>>,
208		}
209
210		impl<'i> ParseWithOptions<'i> for DashedIdentReference<'i> {
211	29.4k	fn parse_with_options<'t>(
212	29.4k	input: &mut Parser<'i, 't>,
213	29.4k	options: &crate::stylesheet::ParserOptions,
214	29.4k	) -> Result<Self, ParseError<'i, ParserError<'i>>> {
215	29.4k	let ident = DashedIdent::parse(input)?;
216
217	9.06k	let from = match &options.css_modules {
218	8.61k	Some(config) if config.dashed_idents => {
219	0	if input.try_parse(\|input\| input.expect_ident_matching("from")).is_ok() {
220	0	Some(Specifier::parse(input)?)
221		} else {
222	0	None
223		}
224		}
225	9.06k	_ => None,
226		};
227
228	9.06k	Ok(DashedIdentReference { ident, from })
229	29.4k	}
230		}
231
232		impl<'i> ToCss for DashedIdentReference<'i> {
233	0	fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
234	0	where
235	0	W: std::fmt::Write,
236		{
237	0	match &mut dest.css_module {
238	0	Some(css_module) if css_module.config.dashed_idents => {
239	0	if let Some(name) = css_module.reference_dashed(&self.ident.0, &self.from, dest.loc.source_index) {
240	0	dest.write_str("--")?;
241	0	serialize_name(&name, dest)?;
242	0	return Ok(());
243	0	}
244		}
245	0	_ => {}
246		}
247
248	0	dest.write_dashed_ident(&self.ident.0, false)
249	0	}
250		}
251
252		/// A CSS [`<ident>`](https://www.w3.org/TR/css-values-4/#css-css-identifier).
253		#[derive(Debug, Clone, Eq, Hash, Default)]
254	0	#[cfg_attr(feature = "visitor", derive(Visit))] Unexecuted instantiation: <lightningcss::values::ident::Ident as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::ValueCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::Ident as lightningcss::visitor::Visit<lightningcss::parser::DefaultAtRule, fallow_extract::css_metrics::FirstRgbColorCollector>>::visit_children Unexecuted instantiation: <lightningcss::values::ident::Ident as lightningcss::visitor::Visit<_, _>>::visit_children
255		#[cfg_attr(feature = "into_owned", derive(static_self::IntoOwned))]
256		#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize), serde(transparent))]
257		#[cfg_attr(feature = "jsonschema", derive(schemars::JsonSchema))]
258		pub struct Ident<'i>(#[cfg_attr(feature = "serde", serde(borrow))] pub CowArcStr<'i>);
259
260		impl<'i> Parse<'i> for Ident<'i> {
261	15.1k	fn parse<'t>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ParserError<'i>>> {
262	15.1k	let ident = input.expect_ident()?;
263	7.87k	Ok(Ident(ident.into()))
264	15.1k	}
265		}
266
267		impl<'i> ToCss for Ident<'i> {
268	0	fn to_css<W>(&self, dest: &mut Printer<W>) -> Result<(), PrinterError>
269	0	where
270	0	W: std::fmt::Write,
271		{
272	0	serialize_identifier(&self.0, dest)?;
273	0	Ok(())
274	0	}
275		}
276
277		impl<'i> cssparser::ToCss for Ident<'i> {
278	0	fn to_css<W>(&self, dest: &mut W) -> std::fmt::Result
279	0	where
280	0	W: std::fmt::Write,
281		{
282	0	serialize_identifier(&self.0, dest)
283	0	}
284		}
285
286		impl_string_type!(Ident);
287		impl_string_type!(CustomIdent);
288		impl_string_type!(DashedIdent);