Struct ContentFilter 

pub struct ContentFilter { /* private fields */ }

Available on crate feature guardrail only.

Content filter guardrail for blocking harmful or off-topic content

Implementations

impl ContentFilter

pub fn new( name: impl Into<String>, config: ContentFilterConfig, ) -> ContentFilter

Create a new content filter with custom config

pub fn harmful_content() -> ContentFilter

Create a filter that blocks common harmful content patterns.

This default filter excludes developer-common terms like “hack” and “exploit” to avoid false positives in developer contexts. Use harmful_content_strict for the full keyword list.

pub fn harmful_content_strict() -> ContentFilter

Create a strict filter that blocks all harmful content patterns, including terms like “hack” and “exploit” that may produce false positives in developer contexts.

pub fn on_topic( topic: impl Into<String>, keywords: Vec<String>, ) -> ContentFilter

Create a filter that ensures content is on-topic

pub fn max_length(max: usize) -> ContentFilter

Create a filter with maximum length

pub fn blocked_keywords(keywords: Vec<String>) -> ContentFilter

Create a filter with blocked keywords

Trait Implementations

impl Guardrail for ContentFilter

fn name(&self) -> &str

Unique name for this guardrail

fn validate<'life0, 'life1, 'async_trait>( &'life0 self, content: &'life1 Content, ) -> Pin<Box<dyn Future<Output = GuardrailResult> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, ContentFilter: 'async_trait,

Validate content and return result

fn run_parallel(&self) -> bool

Whether to run in parallel with other guardrails (default: true)

fn fail_fast(&self) -> bool

Whether to fail fast on this guardrail’s failure (default: true for High/Critical)