Arguments.h

#ifndef ARGUMENTS_H
#define ARGUMENTS_H

#include <string>
#include <vector>
#include <unordered_map>

class LongOptions;

class Arguments
{
    public:

        Arguments(const LongOptions& long_options, int argc, char *argv[]);

        ~Arguments() = default;

        bool isOptionalArgumentSet(const std::string& option_name) const;

        std::string optionalArgument(const std::string& option_name) const;

        int numberOfPositionalArguments() const;

        std::string positionalArgument(int index) const;

    private:

        // Optional arguments are internally represented by a unordered_map
        std::unordered_map<std::string, std::string> m_optional_args;

        // Positional arguments are internally represented by a vector
        std::vector<std::string> m_positional_args;
};

#endif // ARGUMENTS_H