Class OptionParser

Source/Utils/cxxopts.hpp:1655–1711

  using PositionalListIterator = PositionalList::const_iterator;

  class OptionParser
  {
    public:
    OptionParser(const OptionMap& options, const PositionalList& positional, bool allow_unrecognised)
    : m_options(options)
    , m_positional(positional)
    , m_allow_unrecognised(allow_unrecognised)
    {
    }

    ParseResult
    parse(int argc, const char* const* argv);

    bool
    consume_positional(const std::string& a, PositionalListIterator& next);

    void
    checked_parse_arg
    (
      int argc,
      const char* const* argv,
      int& current,
      const std::shared_ptr<OptionDetails>& value,
      const std::string& name
    );

    void
    add_to_option(OptionMap::const_iterator iter, const std::string& option, const std::string& arg);

    void
    parse_option
    (
      const std::shared_ptr<OptionDetails>& value,
      const std::string& name,
      const std::string& arg = ""
    );

    void
    parse_default(const std::shared_ptr<OptionDetails>& details);

    void
    parse_no_value(const std::shared_ptr<OptionDetails>& details);

    private:

    void finalise_aliases();

    const OptionMap& m_options;
    const PositionalList& m_positional;

    std::vector<KeyValue> m_sequential{};
    std::vector<KeyValue> m_defaults{};
    bool m_allow_unrecognised;

    ParsedHashMap m_parsed{};
    NameHashMap m_keys{};
  };