Hi all,
I am calling from R (say funcR) a c++ function (say funcCpp) which needs
either some programmer-defined c++ class (say programmerClassCpp1, 2,
etc...) or a user-defined c++ class (say userClassCpp). Here is an
illustration of what I am doing:
funcR(..., class="ClassCpp"){
# do something and then call the c++ function
funcCpp(class);
}
funcCpp(std::string classCpp){
switch(classCpp){
case "class1" : point to the programmer defined c++
class programmerClassCpp1; break;
case "class2" : point to the programmer defined c++
class programmerClassCpp2; break;
case "new": point to the user defined c++ class userClassCpp; break;
default : Rcpp::stop("not supported class");
};
}
This post
http://gallery.rcpp.org/articles/passing-cpp-function-pointers/
reflects what I need for a function and I am wondering whether it is
possible to do this for a class. The obvious solution is to replicate
manually what has been done in the post to each method of the class (for
instance, work on a vector of functors to the class methods), but I don't
see it as the optimal solution.
Many thanks for any hint,
Yousra
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