just 1.56.0

🤖 Just a command runner
Documentation 
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use super::*;

#[derive(Default, Debug, Clone)]
pub(crate) struct AttributeSet<'src>(BTreeMap<Attribute<'src>, Name<'src>>);

impl<'src> AttributeSet<'src> {
  pub(crate) fn len(&self) -> usize {
    self.0.len()
  }

  pub(crate) fn contains(&self, kind: AttributeKind) -> bool {
    self.0.keys().any(|attribute| attribute.kind() == kind)
  }

  pub(crate) fn is_enabled(&self) -> bool {
    let android = self.contains(AttributeKind::Android);
    let dragonfly = self.contains(AttributeKind::Dragonfly);
    let freebsd = self.contains(AttributeKind::Freebsd);
    let linux = self.contains(AttributeKind::Linux);
    let macos = self.contains(AttributeKind::Macos);
    let netbsd = self.contains(AttributeKind::Netbsd);
    let openbsd = self.contains(AttributeKind::Openbsd);
    let unix = self.contains(AttributeKind::Unix);
    let windows = self.contains(AttributeKind::Windows);

    (!windows
      && !linux
      && !macos
      && !openbsd
      && !freebsd
      && !dragonfly
      && !netbsd
      && !unix
      && !android)
      || (cfg!(target_os = "android") && android)
      || (cfg!(target_os = "dragonfly") && dragonfly)
      || (cfg!(target_os = "freebsd") && freebsd)
      || (cfg!(target_os = "linux") && linux)
      || (cfg!(target_os = "macos") && macos)
      || (cfg!(target_os = "netbsd") && netbsd)
      || (cfg!(target_os = "openbsd") && openbsd)
      || (cfg!(unix) && unix)
      || (cfg!(windows) && windows)
  }

  pub(crate) fn get(&self, kind: AttributeKind) -> Option<&Attribute<'src>> {
    self.0.keys().find(|attribute| attribute.kind() == kind)
  }

  pub(crate) fn groups(&self) -> Vec<StringLiteral<'src>> {
    self
      .0
      .keys()
      .filter_map(|attribute| {
        if let Attribute::Group(group) = attribute {
          Some(group.clone())
        } else {
          None
        }
      })
      .collect()
  }

  pub(crate) fn name(&self, attribute: &Attribute<'src>) -> Name<'src> {
    self.0[attribute]
  }

  pub(crate) fn new() -> Self {
    Self::default()
  }

  pub(crate) fn private(&self) -> bool {
    self.contains(AttributeKind::Private)
  }

  pub(crate) fn iter(&self) -> btree_map::Keys<'_, Attribute<'src>, Name<'src>> {
    self.0.keys()
  }

  pub(crate) fn into_items(self) -> btree_map::IntoIter<Attribute<'src>, Name<'src>> {
    self.0.into_iter()
  }

  pub(crate) fn ensure_valid_attributes(
    &self,
    item_kind: ItemKind,
    item_token: Token<'src>,
  ) -> Result<(), CompileError<'src>> {
    let valid = match item_kind {
      ItemKind::Alias | ItemKind::Assignment => [AttributeKind::Private].as_slice(),
      ItemKind::Comment | ItemKind::Newline => unreachable!(),
      ItemKind::Function | ItemKind::Import | ItemKind::Setting | ItemKind::Unexport => &[],
      ItemKind::Module => &[
        AttributeKind::Doc,
        AttributeKind::Group,
        AttributeKind::Private,
      ],
      ItemKind::Recipe => return Ok(()),
    };

    for attribute in self.0.keys() {
      let kind = attribute.kind();
      if !kind.is_enabler() && !valid.contains(&kind) {
        return Err(item_token.error(CompileErrorKind::InvalidAttribute {
          item_kind,
          item_name: item_token.lexeme(),
          attribute: Box::new(attribute.clone()),
        }));
      }
    }
    Ok(())
  }
}

impl PartialEq for AttributeSet<'_> {
  fn eq(&self, other: &Self) -> bool {
    self.0.keys().eq(other.0.keys())
  }
}

impl Serialize for AttributeSet<'_> {
  fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
  where
    S: Serializer,
  {
    serializer.collect_seq(self.0.keys())
  }
}

impl<'src> FromIterator<(Attribute<'src>, Name<'src>)> for AttributeSet<'src> {
  fn from_iter<T: IntoIterator<Item = (Attribute<'src>, Name<'src>)>>(iter: T) -> Self {
    Self(iter.into_iter().collect())
  }
}

impl<'src, 'a> IntoIterator for &'a AttributeSet<'src> {
  type Item = &'a Attribute<'src>;

  type IntoIter = btree_map::Keys<'a, Attribute<'src>, Name<'src>>;

  fn into_iter(self) -> Self::IntoIter {
    self.0.keys()
  }
}

impl<'src> IntoIterator for AttributeSet<'src> {
  type Item = Attribute<'src>;

  type IntoIter = btree_map::IntoKeys<Attribute<'src>, Name<'src>>;

  fn into_iter(self) -> Self::IntoIter {
    self.0.into_keys()
  }
}