argparser/src/defs.h

#ifndef ARGPARSER_DEFS_H
#define ARGPARSER_DEFS_H

#include <string_view>
#include <type_traits>
#include <map>
#include <functional>

namespace argparser::internal {
    constexpr std::string_view whitespace = " \f\n\r\t\v";

    enum class parser_allow_undelimited {
        None = 0,
        Comma = 1,
        Parenthesis = 2,
        Brackets = 4,
        Any = 7,
    };
    constexpr parser_allow_undelimited operator|(parser_allow_undelimited a, parser_allow_undelimited b) {
        return static_cast<parser_allow_undelimited>(static_cast<std::underlying_type_t<parser_allow_undelimited>>(a) | static_cast<std::underlying_type_t<parser_allow_undelimited>>(b));
    }
    constexpr parser_allow_undelimited operator&(parser_allow_undelimited a, parser_allow_undelimited b) {
        return static_cast<parser_allow_undelimited>(static_cast<std::underlying_type_t<parser_allow_undelimited>>(a) & static_cast<std::underlying_type_t<parser_allow_undelimited>>(b));
    }

    enum class parse_opt {
        None = 0,
        BareString = 1,
        SingleQuotedString = 2,
        DoubleQuotedString = 4,
        AnyString = 7,
        TrimString = 8,
        TrimBareString = 16,
    };
    constexpr parse_opt operator|(parse_opt a, parse_opt b) {
        return static_cast<parse_opt>(static_cast<std::underlying_type_t<parse_opt>>(a) | static_cast<std::underlying_type_t<parse_opt>>(b));
    }
    constexpr parse_opt operator&(parse_opt a, parse_opt b) {
        return static_cast<parse_opt>(static_cast<std::underlying_type_t<parse_opt>>(a) & static_cast<std::underlying_type_t<parse_opt>>(b));
    }


    template<typename T>
    constexpr bool enum_flag_contains(T a, T b) {
        return static_cast<std::underlying_type_t<T>>(a & b) != 0;
    }

    template <typename T>
    using string_map = std::map<std::string, T, std::less<>>;

}// namespace argparser::internal

#endif//ARGPARSER_DEFS_H