Esempio n. 1
0
void CRF::classify(const FunctionCallbackInfo<Value>& args){
    Isolate* isolate = args.GetIsolate();
    
    CRF* obj = (CRF *) ObjectWrap::Unwrap<CRF>(args.Holder());

    v8::Persistent<v8::External, v8::CopyablePersistentTraits<v8::External> > tagger = obj->tagger;
    v8::Local<v8::External> handle = v8::Local<v8::External>::New(isolate, tagger);
    CRFPP::Tagger *a = (CRFPP::Tagger *) handle->Value();
    
    if (a==NULL) {
        fprintf(stderr,"No tagger. Exiting...\n");
        return;
    }
    
    a->clear();
    
    Local<Array> arr = Local<Array>::Cast(args[0]);
    
    int size = arr->Length();
    for(int i=0;i<size;i++){
        Local<Value> element = arr->Get(i);
        char* c = get(element);
        a->add(c);
        // each iteration, free memory
        free(c);
        c = NULL;
    }
    
    bool isParsed = a->parse();
    if ( isParsed == false) {
        fprintf(stderr,"Failed to parse.\n");
    }
    
    Local<Array> solutions = Array::New(isolate, a->nbest());
    
    unsigned int count = 0;
    while (count < a->nbest())
    {
        Local<Array> s = Array::New(isolate, a->ysize());
        for (size_t i = 0; i < a->size(); ++i)
        {
            s -> Set(i,Local<Value>(String::NewFromUtf8(isolate, a->y2(i))));
        }
        solutions -> Set(count, s);
        a->next();
        count++;
    }
    
    args.GetReturnValue().Set(solutions);
};
Esempio n. 2
0
Handle<Value> CRF::classify(const Arguments& args){
    HandleScope scope;
    Local<Array> arr = Local<Array>::Cast(args[0]);
    CRF* obj = ObjectWrap::Unwrap<CRF>(args.This());

    CRFPP::Tagger *a = *(obj->tagger);

    a->clear();

    int size = arr->Length();
    for(int i=0;i<size;i++){
        Local<Value> element = arr->Get(i);
        char* c = get(element);
        a->add(c);
        // each iteration, free memory
        free(c);
        c = NULL;
    }

    a->parse();

    Local<Array> solutions = Array::New(a->nbest());
    unsigned int count = 0;
    while (count < a->nbest())
    {
        Local<Array> s = Array::New(a->ysize());
        for (size_t i = 0; i < a->size(); ++i)
        {
            s -> Set(i,Local<Value>(String::New(a->y2(i))));
        }
        solutions -> Set(count, s);
        a->next();
        count++;
    }

    return scope.Close(solutions);
};