Struct EngineSession 

pub struct EngineSession<'a, P, R, H, F = NoFontSystem> { /* private fields */ }

Per fragment execution state cloned from the cached format at session creation.

Implementations

impl<P, R, H, F> EngineSession<'_, P, R, H, F>

where P: EngineProfile, R: ResourceProvider, H: Platform, F: FontSystem,

pub fn layout_fragment(&mut self, input: &str) -> Result<Fragment, EngineError>

Typesets an inline math string and returns an IR fragment.

pub fn layout_fragment_input( &mut self, input: FragmentInput, ) -> Result<Fragment, EngineError>

Typesets the given fragment input and returns an IR fragment.

pub fn generated_engine(&self) -> PortableTexEngine<'_>

Instantiate the generated engine seeded from cached format state.

pub fn load_input(&self, name: &str) -> Result<Resource, ResourceError>

Reads a TeX input file by name from the resource provider.

pub fn load_package(&self, name: &str) -> Result<Resource, ResourceError>

Reads a TeX package by name from the resource provider.

pub fn load_class(&self, name: &str) -> Result<Resource, ResourceError>

Reads a LaTeX document class by name from the resource provider.

pub fn load_font_definition( &self, name: &str, ) -> Result<Resource, ResourceError>

Reads a font definition file by name from the resource provider.

pub fn load_package_support( &self, name: &str, ) -> Result<Resource, ResourceError>

Reads a package support file by name from the resource provider.

pub fn load_font_resource(&self, name: &str) -> Result<Resource, ResourceError>

Reads a font file by name from the resource provider.

pub fn load_encoding(&self, name: &str) -> Result<Resource, ResourceError>

Reads a font encoding file by name from the resource provider.

pub fn load_map(&self, name: &str) -> Result<Resource, ResourceError>

Reads a font map file by name from the resource provider.

pub fn load_config(&self, name: &str) -> Result<Resource, ResourceError>

Reads a TeX configuration resource by name from the resource provider.

pub fn load_asset( &self, package: &str, name: &str, ) -> Result<Resource, ResourceError>

Reads a package asset from the resource provider.

pub fn load_format_image(&self, name: &str) -> Result<Resource, ResourceError>

Reads a format image resource by name from the resource provider.

pub fn load_font(&self, query: &FontQuery) -> Result<FontData, FontError>

Loads a font matching the given query from the engine’s font system.

pub fn shape_text( &self, request: &ShapeRequest<'_>, ) -> Result<ShapedText, FontError>

Shapes a text run via the engine’s font system.

pub fn primitive(&self, name: &str) -> Option<&PrimitiveEntry>

Returns the primitive dispatch entry for a control sequence name.

pub fn semantics(&self) -> &EngineSemantics

Computed semantics for this session.

pub fn ir_emitter(&self) -> IrEmitter

IR emitter seeded with session metadata, defaults to inline math fragment kind.

pub fn ir_emitter_for(&self, kind: FragmentKind) -> IrEmitter

IR emitter seeded with session metadata and the given fragment kind.

pub fn state(&self) -> &SessionState

Session local state cloned from the cached format at session creation.

pub fn state_mut(&mut self) -> &mut SessionState

Mutable access to the session’s local state.

Trait Implementations

impl<'a, P: Clone, R: Clone, H: Clone, F: Clone> Clone for EngineSession<'a, P, R, H, F>

fn clone(&self) -> EngineSession<'a, P, R, H, F>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a, P: Debug, R: Debug, H: Debug, F: Debug> Debug for EngineSession<'a, P, R, H, F>

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

Formats the value using the given formatter.