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lib.rs
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lib.rs
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#[macro_use]
extern crate neon;
extern crate neon_serde;
extern crate snips_nlu_lib;
use snips_nlu_lib::{
FileBasedConfiguration,
SnipsNluEngine
};
use neon::js::{
Object,
JsString,
JsFunction
};
use neon::mem::Handle;
use neon::vm::Lock;
use neon::js::class::{Class, JsClass};
pub struct NluEngine {
engine: SnipsNluEngine
}
declare_types! {
pub class JsNluEngine for NluEngine {
init(call) {
let scope = call.scope;
let model_file = call.arguments.require(scope, 0)?.check::<JsString>()?;
let configuration = match FileBasedConfiguration::from_path(model_file.value(), false) {
Ok(conf) => conf,
Err(_e) => panic!(format!("{}", _e)),
};
let _nlu_engine = match SnipsNluEngine::new(configuration) {
Ok(engine) => engine,
Err(_e) => panic!(format!("{}", _e))
};
Ok(NluEngine {
engine: _nlu_engine
})
}
method parse(call) {
let scope = call.scope;
let _query_str = match call.arguments.require(scope, 0)?.check::<JsString>() {
Ok(_str) => _str.value(),
Err(_e) => panic!("parse: argument 0 (query_str) is not of type string")
};
// todo: implement filter intents
// let filter_intents_vector = match call.arguments.require(scope, 1)?.check::<JsArray>() {
// Ok(filter_intents) => filter_intents.to_vec(scope).unwrap(),
// Err(e) => panic!("parse: argument 1 (intents_filter) is not of type array")
// };
let _nlp_result = call.arguments.this(scope).grab(|nlpengine| { nlpengine.engine.parse(&_query_str, None) }).unwrap();
Ok(neon_serde::to_value(scope, &_nlp_result)?)
}
}
}
register_module!(m, {
let class: Handle<JsClass<JsNluEngine>> = JsNluEngine::class(m.scope)?;
let constructor: Handle<JsFunction<JsNluEngine>> = class.constructor(m.scope)?;
m.exports.set("NluEngine", constructor)?;
Ok(())
});