// static
void Query::New(const FunctionCallbackInfo<Value>& args)
{
Isolate* isolate = Isolate::GetCurrent();
HandleScope scope(isolate);
if (args.IsConstructCall()) {
if (args.Length() != 1) {
Local<String> str = String::NewFromUtf8(isolate, "Consturctor expects 1 agument");
isolate->ThrowException(Exception::TypeError(str));
return;
}
if (!args[0]->IsString()) {
Local<String> str = String::NewFromUtf8(isolate, "Argument must be a string");
isolate->ThrowException(Exception::TypeError(str));
return;
}
Local<String> str = args[0]->ToString();
QByteArray arr;
arr.resize(str->Utf8Length());
str->WriteUtf8(arr.data(), arr.length());
QString queryString = QString::fromUtf8(arr);
Query* query = new Query(queryString);
query->Wrap(args.This());
args.GetReturnValue().Set(args.This());
}
else {
// Invoked as plain function, turn into construct call.
const int argc = 1;
Local<Value> argv[argc] = { args[0] };
Local<Function> cons = Local<Function>::New(isolate, s_constructor);
args.GetReturnValue().Set(cons->NewInstance(argc, argv));
}
}
Handle<Value> Query::New(Arguments const& args)
{
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(Exception::Error(String::New("Cannot call constructor as function, you need to use 'new' keyword")));
}
try {
if (args.Length() != 1) {
return ThrowException(Exception::TypeError(String::New("please provide an object of options for the first argument")));
}
if (!args[0]->IsObject()) {
return ThrowException(Exception::TypeError(String::New("first argument must be an object")));
}
Local<Object> obj = args[0]->ToObject();
if (obj->IsNull() || obj->IsUndefined()) {
return ThrowException(Exception::TypeError(String::New("first arg must be an object")));
}
if (!obj->Has(String::NewSymbol("coordinates"))) {
return ThrowException(Exception::TypeError(String::New("must provide a coordinates property")));
}
Local<Value> coordinates = obj->Get(String::New("coordinates"));
if (!coordinates->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinates_array = Local<Array>::Cast(coordinates);
if (coordinates_array->Length() < 2) {
return ThrowException(Exception::TypeError(String::New("at least two coordinates must be provided")));
}
Query* q = new Query();
q->this_->zoomLevel = 18; //no generalization
q->this_->printInstructions = true; //turn by turn instructions
q->this_->alternateRoute = true; //get an alternate route, too
q->this_->geometry = true; //retrieve geometry of route
q->this_->compression = true; //polyline encoding
q->this_->checkSum = UINT_MAX; //see wiki
q->this_->service = "viaroute"; //that's routing
q->this_->outputFormat = "json";
q->this_->jsonpParameter = ""; //set for jsonp wrapping
q->this_->language = ""; //unused atm
if (obj->Has(String::NewSymbol("alternateRoute"))) {
q->this_->alternateRoute = obj->Get(String::New("alternateRoute"))->BooleanValue();
}
for (uint32_t i = 0; i < coordinates_array->Length(); ++i) {
Local<Value> coordinate = coordinates_array->Get(i);
if (!coordinate->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinate_array = Local<Array>::Cast(coordinate);
if (coordinate_array->Length() != 2) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
q->this_->coordinates.push_back(
FixedPointCoordinate(coordinate_array->Get(0)->NumberValue()*COORDINATE_PRECISION,
coordinate_array->Get(1)->NumberValue()*COORDINATE_PRECISION));
}
q->Wrap(args.This());
return args.This();
} catch (std::exception const& ex) {
return ThrowException(Exception::TypeError(String::New(ex.what())));
}
return Undefined();
}
Handle<Value> Query::New(Arguments const& args)
{
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(Exception::Error(String::New("Cannot call constructor as function, you need to use 'new' keyword")));
}
try {
if (args.Length() != 1) {
return ThrowException(Exception::TypeError(String::New("please provide an object of options for the first argument")));
}
if (!args[0]->IsObject()) {
return ThrowException(Exception::TypeError(String::New("first argument must be an object")));
}
Local<Object> obj = args[0]->ToObject();
if (obj->IsNull() || obj->IsUndefined()) {
return ThrowException(Exception::TypeError(String::New("first arg must be an object")));
}
if (!obj->Has(String::New("coordinates"))) {
return ThrowException(Exception::TypeError(String::New("must provide a coordinates property")));
}
Local<Value> coordinates = obj->Get(String::New("coordinates"));
if (!coordinates->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
// Handle scenario in which caller explicitly specified service
std::string service;
if (obj->Has(String::New("service"))) {
Local<Value> serviceValue = obj->Get(String::New("service"));
v8::String::Utf8Value serviceUtf8Value(serviceValue->ToString());
service = std::string(*serviceUtf8Value);
}
// Handle 'nearest', otherwise assume 'viaroute' service.
if (service == "nearest" || service == "locate") {
Local<Array> coordinates_array = Local<Array>::Cast(coordinates);
if (coordinates_array->Length() != 1) {
return ThrowException(Exception::TypeError(String::New("coordinates array should only have one lat/long pair for 'nearest' or 'locate' queries")));
}
Local<Value> coordinate = coordinates_array->Get(0);
if (!coordinate->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinate_array = Local<Array>::Cast(coordinate);
if (coordinate_array->Length() != 2) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Query* q = new Query();
q->this_->service = service;
q->this_->coordinates.push_back(
FixedPointCoordinate(coordinate_array->Get(0)->NumberValue()*COORDINATE_PRECISION,
coordinate_array->Get(1)->NumberValue()*COORDINATE_PRECISION));
q->Wrap(args.This());
return args.This();
}
Local<Array> coordinates_array = Local<Array>::Cast(coordinates);
if (coordinates_array->Length() < 2) {
return ThrowException(Exception::TypeError(String::New("at least two coordinates must be provided")));
}
Query* q = new Query();
q->this_->zoomLevel = 18; //no generalization
q->this_->printInstructions = false; //turn by turn instructions
q->this_->alternateRoute = true; //get an alternate route, too
q->this_->geometry = true; //retrieve geometry of route
q->this_->compression = true; //polyline encoding
q->this_->checkSum = UINT_MAX; //see wiki
q->this_->service = "viaroute"; //that's routing
q->this_->outputFormat = "json";
q->this_->jsonpParameter = ""; //set for jsonp wrapping
q->this_->language = ""; //unused atm
if (obj->Has(String::New("alternateRoute"))) {
q->this_->alternateRoute = obj->Get(String::New("alternateRoute"))->BooleanValue();
}
if (obj->Has(String::New("checksum"))) {
q->this_->checkSum = static_cast<unsigned>(obj->Get(String::New("checksum"))->Uint32Value());
}
if (obj->Has(String::New("zoomLevel"))) {
q->this_->zoomLevel = static_cast<short>(obj->Get(String::New("zoomLevel"))->Int32Value());
}
if (obj->Has(String::New("printInstructions"))) {
q->this_->printInstructions = obj->Get(String::New("printInstructions"))->BooleanValue();
}
if (obj->Has(String::New("jsonpParameter"))) {
q->this_->jsonpParameter = *v8::String::Utf8Value(obj->Get(String::New("jsonpParameter")));
}
if (obj->Has(String::New("hints"))) {
Local<Value> hints = obj->Get(String::New("hints"));
if (!hints->IsArray()) {
return ThrowException(Exception::TypeError(String::New("hints must be an array of strings/null")));
}
Local<Array> hints_array = Local<Array>::Cast(hints);
for (uint32_t i = 0; i < hints_array->Length(); ++i) {
Local<Value> hint = hints_array->Get(i);
if (hint->IsString()) {
q->this_->hints.push_back(*v8::String::Utf8Value(hint));
} else if(hint->IsNull()){
q->this_->hints.push_back("");
}else{
return ThrowException(Exception::TypeError(String::New("hint must be null or string")));
}
}
}
for (uint32_t i = 0; i < coordinates_array->Length(); ++i) {
Local<Value> coordinate = coordinates_array->Get(i);
if (!coordinate->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinate_array = Local<Array>::Cast(coordinate);
if (coordinate_array->Length() != 2) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
q->this_->coordinates.push_back(
FixedPointCoordinate(coordinate_array->Get(0)->NumberValue()*COORDINATE_PRECISION,
coordinate_array->Get(1)->NumberValue()*COORDINATE_PRECISION));
}
q->Wrap(args.This());
return args.This();
} catch (std::exception const& ex) {
return ThrowException(Exception::TypeError(String::New(ex.what())));
}
return Undefined();
}