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WebUIHandler

Struct WebUIHandler 

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pub struct WebUIHandler { /* private fields */ }
Expand description

The main WebUI handler that processes protocols and renders them.

The handler is stateless: plugin instances are created per-render from the stored factory function, allowing concurrent renders with &self.

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impl WebUIHandler

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pub fn stream_response<'a, W: FlushWriter + ?Sized>( &'a self, protocol: &'a Protocol, options: &RenderOptions<'a>, writer: &'a mut W, ) -> Result<StreamingResponse<'a, W>>

Create a runtime-discovered progressive response.

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impl WebUIHandler

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pub fn render_streaming<'a, W: FlushWriter + ?Sized>( &self, protocol: &'a Protocol, state: &Value, options: &RenderOptions<'a>, writer: &'a mut W, ) -> Result<()>

Render every runtime boundary in document order as final.

Uses one prepared render context and borrows the caller’s state for the complete traversal. Every compiler-selected flush still reaches the transport, but the synchronous convenience path does not clone the state or rebuild the continuation context at each boundary. Hosts that need asynchronous work between occurrences should use Self::stream_response or StreamingSession.

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impl WebUIHandler

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pub fn new() -> Self

Create a new WebUI handler with no plugin.

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pub fn with_plugin(factory: fn() -> Box<dyn HandlerPlugin>) -> Self

Create a new WebUI handler with a plugin factory.

Each render call creates a fresh plugin instance from the factory, enabling concurrent renders with &self.

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pub fn render<'a>( &self, protocol: &'a Protocol, state: &'a Value, options: &RenderOptions<'a>, writer: &'a mut dyn ResponseWriter, ) -> Result<()>

Render the UI based on the protocol and state.

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impl Default for WebUIHandler

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fn default() -> Self

Returns the “default value” for a type. Read more

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.