Struct JsonPathEvaluator 

pub struct JsonPathEvaluator { /* private fields */ }

JSONPath evaluator for condition matching Supports: exists, ==, !=, in, &&, ||, >, <, >=, <=, regex

Implementations

impl JsonPathEvaluator

pub fn new(expression: &str) -> Result<Self, String>

pub fn matches(&self, value: &Value) -> bool

Check if expression matches the JSON value

Supports:

• exists($.path) - check if path exists
• $.path == “value” - equality check
• $.path != “value” - inequality check
• $.path in [‘value1’, ‘value2’] - list membership
• $.path != null / $.path == null - null check
• $.path > 10 / $.path < 10 - numeric comparison
• $.path >= 10 / $.path <= 10 - numeric comparison
• $.path =~ /pattern/ - regex matching
• && and || for logical combination

pub fn extract_string(&self, value: &Value) -> Option<String>

Extract string value from JSON using path

Trait Implementations

impl Clone for JsonPathEvaluator

fn clone(&self) -> JsonPathEvaluator

Returns a duplicate of the value.

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

Performs copy-assignment from source.