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// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
#include "tclap/CmdLine.h"
#include <iterator>
#include <algorithm>
#include <sstream>
using namespace TCLAP;
// Define a simple 3D vector type
struct Vect3D {
double v[3];
// operator= will be used to assign to the vector
Vect3D& operator=(const std::string &str)
{
std::istringstream iss(str);
if (!(iss >> v[0] >> v[1] >> v[2]))
throw TCLAP::ArgParseException(str + " is not a 3D vector");
return *this;
}
std::ostream& print(std::ostream &os) const
{
std::copy(v, v + 3, std::ostream_iterator<double>(os, " "));
return os;
}
};
std::ostream& operator<<(std::ostream &os, const Vect3D &v)
{
return v.print(os);
}
// Create an ArgTraits for the 3D vector type that declares it to be
// of string like type
namespace TCLAP {
template<>
struct ArgTraits<Vect3D> {
typedef StringLike ValueCategory;
};
}
int main(int argc, char *argv[])
{
CmdLine cmd("Command description message", ' ', "0.9");
MultiArg<Vect3D> vec("v", "vect", "vector",
true, "3D vector", cmd);
try {
cmd.parse(argc, argv);
} catch(std::exception &e) {
std::cout << e.what() << std::endl;
return EXIT_FAILURE;
}
std::copy(vec.begin(), vec.end(),
std::ostream_iterator<Vect3D>(std::cout, "\n"));
std::cout << "REVERSED" << std::endl;
// use alt. form getValue()
std::vector<Vect3D> v(vec.getValue());
std::reverse(v.begin(), v.end());
std::copy(v.begin(), v.end(),
std::ostream_iterator<Vect3D>(std::cout, "\n"));
}
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