pub enum ChainedContextLookup<'a> {
    Format1 {
        coverage: Coverage<'a>,
        sets: ChainedSequenceRuleSets<'a>,
    },
    Format2 {
        coverage: Coverage<'a>,
        backtrack_classes: ClassDefinition<'a>,
        input_classes: ClassDefinition<'a>,
        lookahead_classes: ClassDefinition<'a>,
        sets: ChainedSequenceRuleSets<'a>,
    },
    Format3 {
        coverage: Coverage<'a>,
        backtrack_coverages: LazyOffsetArray16<'a, Coverage<'a>>,
        input_coverages: LazyOffsetArray16<'a, Coverage<'a>>,
        lookahead_coverages: LazyOffsetArray16<'a, Coverage<'a>>,
        lookups: LazyArray16<'a, SequenceLookupRecord>,
    },
}
Expand description

Variants§

§

Format1

Simple glyph contexts.

Fields

§coverage: Coverage<'a>
§

Format2

Class-based glyph contexts.

Fields

§coverage: Coverage<'a>
§backtrack_classes: ClassDefinition<'a>
§input_classes: ClassDefinition<'a>
§lookahead_classes: ClassDefinition<'a>
§

Format3

Coverage-based glyph contexts.

Fields

§coverage: Coverage<'a>
§backtrack_coverages: LazyOffsetArray16<'a, Coverage<'a>>
§input_coverages: LazyOffsetArray16<'a, Coverage<'a>>
§lookahead_coverages: LazyOffsetArray16<'a, Coverage<'a>>

Implementations§

source§

impl<'a> ChainedContextLookup<'a>

source

pub(crate) fn parse(data: &'a [u8]) -> Option<Self>

source

pub fn coverage(&self) -> Coverage<'a>

Returns the subtable coverage.

Trait Implementations§

source§

impl<'a> Clone for ChainedContextLookup<'a>

source§

fn clone(&self) -> ChainedContextLookup<'a>

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

impl<'a> Debug for ChainedContextLookup<'a>

source§

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

Formats the value using the given formatter. Read more
source§

impl<'a> Copy for ChainedContextLookup<'a>

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.