gistfile1.txt

static inline NSString *convertSelName(const char *hax3d) {
    int length = strlen(hax3d);
    char name[length + 1];
    
    for (int i = 0; i < length; ++i) {
        char c = hax3d[i];
        if (c == ':' || c == '_') {
            name[i] = c;
        } else if (c >= 'a' && c <= 'z') {
            name[i] = ((c - 'a' + 13) % 26) + 'a';
        } else {
            name[i] = ((c - 'A' + 13) % 26) + 'A';
        }
    }
    
    name[length] = 0;
    
    return [NSString stringWithCString:name encoding:NSUTF8StringEncoding];
}


// Usage
selector = NSSelectorFromString(convertSelName("frgQvzGnoyrIvrjBaRzcglFrnepuFgevat:"));
if ([searchController respondsToSelector:selector]) {