Struct Declaration

pub struct Declaration<'a, V: DeclarationValue<'a>> {
    pub name: Ident,
    pub colon: Colon,
    pub value: V,
    pub important: Option<BangImportant>,
    pub semicolon: Option<Semicolon>,
    /* private fields */
}

This is a generic type that can be used for AST nodes representing a Declaration, aka “property”. This is defined as:

<property-id>
 │├─ <ident> ─┤│

<declaration>
 │├─ <property-id> ─ ":" ─ <V> ──╮─────────────────────────────╭──╮───────╭┤│
                                 ╰─ "!" ─ <ident "important"> ─╯  ╰─ ";" ─╯

An ident is parsed first, as the property name, followed by a :. After this the given <V> will be parsed as the style value. Parsing may continue to a !important, or the optional trailing semi ;, if either are present.

The grammar of <V> isn’t defined here - it’ll be dependant on the property name. Consequently, <V> must implement the DeclarationValue trait, which must provide the parse_declaration_value(&mut Parser<'a>, Cursor) -> Result<Self> method - the Cursor given to said method represents the Ident of the property name, so it can be reasoned about in order to dispatch to the right declaration value parsing step.

Fields

name: Ident

colon: Colon

value: V

important: Option<BangImportant>

semicolon: Option<Semicolon>

Trait Implementations

impl<'a, V: Clone + DeclarationValue<'a>> Clone for Declaration<'a, V>

fn clone(&self) -> Declaration<'a, V>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a, V: Debug + DeclarationValue<'a>> Debug for Declaration<'a, V>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a, V: Hash + DeclarationValue<'a>> Hash for Declaration<'a, V>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'a, V: Ord + DeclarationValue<'a>> Ord for Declaration<'a, V>

fn cmp(&self, other: &Declaration<'a, V>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<'a, V: DeclarationValue<'a>> Parse<'a> for Declaration<'a, V>

fn parse(p: &mut Parser<'a>) -> Result<Self>

fn try_parse(p: &mut Parser<'a>) -> Result<Self>

impl<'a, V: PartialEq + DeclarationValue<'a>> PartialEq for Declaration<'a, V>

fn eq(&self, other: &Declaration<'a, V>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a, V: PartialOrd + DeclarationValue<'a>> PartialOrd for Declaration<'a, V>

fn partial_cmp(&self, other: &Declaration<'a, V>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'a, V: DeclarationValue<'a>> Peek<'a> for Declaration<'a, V>

fn peek(p: &Parser<'a>, c: Cursor) -> bool

const PEEK_KINDSET: KindSet = KindSet::ANY

impl<'a, V: DeclarationValue<'a>> ToCursors for Declaration<'a, V>

fn to_cursors(&self, s: &mut impl CursorSink)

impl<'a, V: DeclarationValue<'a>> ToSpan for Declaration<'a, V>

fn to_span(&self) -> Span

impl<'a, V: Eq + DeclarationValue<'a>> Eq for Declaration<'a, V>

impl<'a, V: DeclarationValue<'a>> StructuralPartialEq for Declaration<'a, V>