Would you mind guiding me a bit here? For now just trying to expose nested
“body” map i.e. to allow something like “response.body.result = dbQueryResult"
First is the Set interceptor for “response” (C++ object) and here I’m setting
up “body” (C++ object for “body”) & setting return value to “body” object.
Second one is Set interceptor for “body”
void HTTPResponse::HTTPResponseSet(Local<Name> name, Local<Value> value_obj,
const PropertyCallbackInfo<Value>& info) {
if (name->IsSymbol()) return;
V8Handle* w = UnwrapV8HandleInstance(info.Holder());
HTTPBody* body = new HTTPBody(w);
Local<Object> body_map = body->WrapHTTPBodyMap();
info.GetReturnValue().Set(body_map);
}
void HTTPBody::HTTPBodySet(Local<Name> name, Local<Value> value_obj,
const PropertyCallbackInfo<Value>& info) {
if (name->IsSymbol()) return;
string key = ObjectToString(Local<String>::Cast(name));
string value = ToString(info.GetIsolate(), value_obj);
map<string, string>* body = UnwrapMap(info.Holder());
(*body)[key] = value;
cout << "body field " << value << endl;
}
Currently I’m not hitting Set interceptor of “body” object, I suppose I’m doing
something wrong here.
> On 25-Jul-2016, at 10:00 PM, Jochen Eisinger <[email protected]> wrote:
>
> To create dynamic nested maps from C++, the outter object (response) would
> have to return another intercepted object (e.g. body) that then returns the
> actual values on access.
>
> On Fri, Jul 22, 2016 at 8:12 AM Abhishek Singh <[email protected]
> <mailto:[email protected]>> wrote:
> Hi,
>
> I’m wondering if there is a way to expose map<string, map<string, string> >
> into JS world from C++? Exposing map<string, string> looks straightforward
> and I’m doing for some C++ objects using NamedPropertyConfigurationHandler.
> I’ll just show sample JS code that I would like to have and where C++
> map<string, map<string, string> > will come into picture:
>
> function OnHTTPGet(request, response) {
>
> var city = “BLR”;
> var limit = “10”;
>
> var queryResult = dbCal(“select * from users where city=${city} limit
> ${limit}”);
>
> // This works for me presently
> /* response.data = queryResult;
> response.status_code = 200; */
>
> // What I would like to have
> response.body.data = queryResult;
> response.header.status_code = 200;
> }
>
> “request” - native HTTP request JSON passed from C++ V8 binding as args to JS
> function
> “response” - C++ based HTTP object exposed with Setter callback set using
> NamedPropertyConfigHandler and this what I write back to user who made the
> “request"
>
> I basically want to set HTTP response body and header transparently, which
> would require me to expose C++ HTTP object probably as a map<string,
> map<string, string> >. Hope my question is clear, please let me know if there
> a way to do this?
>
> Thanks,
> Abhishek
>
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