Struct MiddlewareContext 

pub struct MiddlewareContext {
    pub original_text: String,
    pub current_text: String,
    pub entity_types: Option<Vec<EntityType>>,
    pub language: Option<String>,
    pub metadata: HashMap<String, String>,
}

Context passed through the middleware chain.

Provides access to:

• Original and transformed text
• Metadata and configuration
• Extracted entity types filter

Fields

original_text: String

Original input text (before any preprocessing).

current_text: String

Current text (may be transformed by preprocessors).

entity_types: Option<Vec<EntityType>>

Requested entity types filter.

language: Option<String>

Language hint for the text.

metadata: HashMap<String, String>

Arbitrary metadata (for custom middleware).

Implementations

impl MiddlewareContext

pub fn new(text: impl Into<String>) -> Self

Create a new context from input text.

pub fn with_language(self, lang: impl Into<String>) -> Self

Set language hint.

pub fn with_entity_types(self, types: Vec<EntityType>) -> Self

Set entity types filter.

pub fn set_metadata(&mut self, key: impl Into<String>, value: impl Into<String>)

Set metadata value.

Trait Implementations

impl Clone for MiddlewareContext

fn clone(&self) -> MiddlewareContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MiddlewareContext

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

Formats the value using the given formatter.