const char * operator() (const char * str, size_t sz)
{
if (conv) {
buf.clear();
conv->convert(str, sz, buf, buf0);
return buf.str();
} else {
return str;
}
}
const char * operator() (ParmStr str)
{
if (conv) {
buf.clear();
conv->convert(str, -1, buf, buf0);
return buf.mstr();
} else {
return str;
}
}
char * operator() (char c)
{
buf.clear();
if (conv) {
char str[2] = {c, 0};
conv->convert(str, 1, buf, buf0);
} else {
buf.append(c);
}
return buf.mstr();
}
int main (int argc, char* argv[])
{
if (argc != 4) {
error("usage: %s number base1 base2", argv[0]);
return 1;
}
std::string str(argv[1]);
int base1 = std::stoi(std::string(argv[2]));
int base2 = std::stoi(std::string(argv[3]));
Convert convert;
try {
std::string res;
res = convert.convert(str, base1, base2);
std::cout << str << " in base " << base2 << " is " << res << std::endl;
} catch(const std::invalid_argument& ia) {
error("%s", ia.what());
return 1;
}
return 0;
}
