BSONObj v8ToMongo( v8::Handle<v8::Object> o ){
BSONObjBuilder b;
v8::Handle<v8::String> idName = v8::String::New( "_id" );
if ( o->HasRealNamedProperty( idName ) ){
v8ToMongoElement( b , idName , "_id" , o->Get( idName ) );
}
Local<v8::Array> names = o->GetPropertyNames();
for ( unsigned int i=0; i<names->Length(); i++ ){
v8::Local<v8::String> name = names->Get(v8::Integer::New(i) )->ToString();
if ( o->GetPrototype()->IsObject() &&
o->GetPrototype()->ToObject()->HasRealNamedProperty( name ) )
continue;
v8::Local<v8::Value> value = o->Get( name );
const string sname = toSTLString( name );
if ( sname == "_id" )
continue;
v8ToMongoElement( b , name , sname , value );
}
return b.obj();
}
Handle< Value > V8Scope::nativeCallback( const Arguments &args ) {
Local< External > f = External::Cast( *args.Callee()->Get( v8::String::New( "_native_function" ) ) );
NativeFunction function = ( NativeFunction )( f->Value() );
BSONObjBuilder b;
for( int i = 0; i < args.Length(); ++i ) {
stringstream ss;
ss << i;
v8ToMongoElement( b, v8::String::New( "foo" ), ss.str(), args[ i ] );
}
BSONObj ret;
try {
ret = function( b.done() );
} catch( const std::exception &e ) {
return v8::ThrowException(v8::String::New(e.what()));
} catch( ... ) {
return v8::ThrowException(v8::String::New("unknown exception"));
}
return mongoToV8Element( ret.firstElement() );
}
