R devel - Aug 2007 - Convert multiple C strings into an R character vector

Nevermind about the boolean object, after thinking about it for 2 seconds, I
figured it out.  Just going to translate the boolean to an integer object
with 1 representing true and 0=false and send that to C :P.  
-- 
View this message in context:
http://www.nabble.com/Manipulating-R-objects-in-C%2B%2B-tf4249882.html#a12095136
Sent from the R devel mailing list archive at Nabble.com.

I was hoping someone could tell me how to convert multiple C character
strings into an R character vector.  

Thanks, 
Jon
-- 
View this message in context:
http://www.nabble.com/Convert-multiple-C-strings-into-an-R-character-vector-tf4249882.html#a12095059
Sent from the R devel mailing list archive at Nabble.com.

Jonathan Zhou <jonathan.zhou at utoronto.ca> writes:
> I was hoping someone could tell me how to convert multiple C character
> strings into an R character vector.  
Here's a quick untested sketch:


    char **yourStrings;
    int numStrings = /* the length of yourStrings */;
    int i;
    SEXP cvect;
    
    PROTECT(cvect = allocVector(STRSXP, numStrings));
    for (i = 0; i < numStrings; i++) {
        SET_STRING_ELT(cvect, i, mkChar(yourStrings[i]));
    }
    UNPROTECT(cvect);
    return cvect;


+ seth

-- 
Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center
BioC: http://bioconductor.org/
Blog: http://userprimary.net/user/