#pragma once

#include <string>
#include <sstream>

#include "cmd/args/arg_base.hpp"
#include "cmd/args/arg_generic.hpp"

namespace fsh {

    class ArgInput : public Argument<std::string> {
      public:
        static std::istream& get(std::shared_ptr<_Argument> a) {
            return std::dynamic_pointer_cast<ArgInput>(a)->gstream();
        }

        ArgInput() {}

        virtual void          svalue(const std::string& val, const Lexer::TokenType& type) override;
        virtual std::istream& gstream();

      private:
        std::optional<std::stringstream> str;
        std::optional<std::ifstream>     file;
    };

}