class usage_error: public std::runtime_error
{
private:
- std::string help_;
+ std::string m_help;
public:
- usage_error(const std::string &w, const std::string &h = std::string()): std::runtime_error(w), help_(h) { }
- ~usage_error() throw() { }
+ usage_error(const std::string &w, const std::string &h = std::string()): std::runtime_error(w), m_help(h) { }
- const char *help() const throw() { return help_.c_str(); }
+ const char *help() const noexcept { return m_help.c_str(); }
};
class Option
{
protected:
- Option() { }
+ Option() = default;
public:
- virtual ~Option() { }
+ virtual ~Option() = default;
/// Sets help text for the option.
virtual Option &set_help(const std::string &) = 0;
class Argument
{
protected:
- Argument() { }
+ Argument() = default;
public:
- virtual ~Argument() { }
+ virtual ~Argument() = default;
virtual Argument &set_help(const std::string &) = 0;
};
class Store
{
protected:
- Store() { }
+ Store() = default;
public:
- virtual ~Store() { }
+ virtual ~Store() = default;
virtual Store *clone() const = 0;
class OptionImpl: public Option
{
protected:
- char shrt;
+ char shrt = 0;
std::string lng;
- ArgType arg_type;
- unsigned seen_count;
- unsigned *ext_seen_count;
+ ArgType arg_type = NO_ARG;
+ unsigned seen_count = 0;
+ unsigned *ext_seen_count = nullptr;
std::string help;
- std::string metavar;
- Store *store;
+ std::string metavar = "ARG";
+ Store *store = nullptr;
public:
OptionImpl(char, const std::string &, const Store &, ArgType);
- virtual ~OptionImpl();
+ ~OptionImpl() override;
- virtual OptionImpl &set_help(const std::string &);
- virtual OptionImpl &set_help(const std::string &, const std::string &);
- virtual OptionImpl &bind_seen_count(unsigned &);
+ OptionImpl &set_help(const std::string &) override;
+ OptionImpl &set_help(const std::string &, const std::string &) override;
+ OptionImpl &bind_seen_count(unsigned &) override;
char get_short() const { return shrt; }
const std::string &get_long() const { return lng; }
ArgType get_arg_type() const { return arg_type; }
const std::string &get_help() const { return help; }
const std::string &get_metavar() const { return metavar; }
- virtual unsigned get_seen_count() const { return seen_count; }
+ unsigned get_seen_count() const override { return seen_count; }
void process();
void process(const std::string &);
};
{
private:
std::string name;
- ArgType type;
+ ArgType type = REQUIRED_ARG;
std::string help;
- Store *store;
+ Store *store = nullptr;
public:
ArgumentImpl(const std::string &, const Store &, ArgType);
- virtual ~ArgumentImpl();
+ ~ArgumentImpl() override;
- virtual ArgumentImpl &set_help(const std::string &);
+ ArgumentImpl &set_help(const std::string &) override;
const std::string &get_name() const { return name; }
ArgType get_type() const { return type; }
const std::string &get_help() const { return help; }
public:
SimpleStore(T &d): data(d) { }
- virtual SimpleStore *clone() const
+ SimpleStore *clone() const override
{ return new SimpleStore(data); }
- virtual bool is_list() const { return false; }
+ bool is_list() const override { return false; }
- virtual void store() { }
+ void store() override { }
- virtual void store(const std::string &a)
+ void store(const std::string &a) override
{ data = lexical_cast<T>(a); }
};
public:
ListStore(T &d): data(d) { }
- virtual ListStore *clone() const
+ ListStore *clone() const override
{ return new ListStore(data); }
- virtual bool is_list() const { return true; }
+ bool is_list() const override { return true; }
- virtual void store() { }
+ void store() override { }
- virtual void store(const std::string &a)
+ void store(const std::string &a) override
{ data.push_back(lexical_cast<typename T::value_type>(a)); }
};
- bool help;
- std::list<OptionImpl *> opts;
- std::list<ArgumentImpl *> args;
+ bool help = false;
+ std::vector<OptionImpl *> opts;
+ std::vector<ArgumentImpl *> args;
std::vector<std::string> args_raw;
public: