CBLib/include/cb/argparser/argument.h

#ifndef CBLIB_ARGUMENT_H
#define CBLIB_ARGUMENT_H

#include <string>
#include <cassert>

namespace cb::argparser {

enum class Mode {
    POSITIONAL_MODE,
    REQUIRED_MODE,
    OPTIONAL_MODE,
};

enum class Type {
    STRING_TYPE,
    BOOL_TYPE,
    INTEGER_TYPE,
};

struct ParseArgument {
    std::string short_name;
    std::string name;
    std::string description;
    std::string default_value;
    Type type;
    Mode mode;

    bool is_present{false};
};


class Argument {
private:
    std::string content;
    Type type{Type::STRING_TYPE};
public:

    Argument() = default;

    explicit Argument(std::string content, Type type = Type::STRING_TYPE);

    [[nodiscard]] const std::string &as_str() const {
        return content;
    }

    [[nodiscard]] bool as_bool() const {
        return !content.empty();
    }

    int as_int() {
        assert(type == Type::INTEGER_TYPE);
        return std::stoi(content);
    }

    explicit operator bool() const {
        return as_bool();
    }
};

}

#endif //CBLIB_ARGUMENT_H