EventTypeEnum.hpp

// Copyright (c) 2025 Devexperts LLC.
// SPDX-License-Identifier: MPL-2.0
 
#pragma once
 
#include "../internal/Conf.hpp"
 
DXFCXX_DISABLE_MSC_WARNINGS_PUSH(4251)
 
#include <cstdint>
#include <string>
#include <type_traits>
#include <unordered_set>
 
DXFCPP_BEGIN_NAMESPACE
 
/**
 * The enumeration type that provides additional information about the dxFeed Graal C++-API event type.
 * Useful when used as a subscription parameter.
 */
class DXFCPP_EXPORT EventTypeEnum {
    /// The dxFeed Graal Native C-API event class id corresponding to the current enum element.
    const std::uint32_t id_;
 
    const std::string name_;
 
    const std::string className_;
 
    // A flag that indicates that the current enum element is characterizing the Lasting (TICKER) event.
    const bool isLasting_;
 
    // A flag that indicates that the current enum element is characterizing the Indexed event.
    const bool isIndexed_;
 
    // A flag that indicates that the current enum element is characterizing the TimeSeries (HISTORY) event.
    const bool isTimeSeries_;
 
    // A flag that indicates that the current enum element is characterizing the OnlyIndexed (Indexed, but not
    // TimeSeries) event.
    const bool isOnlyIndexed_;
 
    // A flag that indicates that the current enum element is characterizing the Market event.
    const bool isMarket_;
 
    EventTypeEnum(std::uint32_t id, const StringLike & name, const StringLike & className, bool isLasting, bool isIndexed = false,
                  bool isTimeSeries = false, bool isMarket = true) noexcept
        : id_{id}, name_{std::string(name)}, className_{std::string(className)}, isLasting_{isLasting},
          isIndexed_{isIndexed || isTimeSeries}, isTimeSeries_{isTimeSeries},
          isOnlyIndexed_{isIndexed && !isTimeSeries}, isMarket_{isMarket} {
    }
 
    public:
    using RefSetType =
        std::unordered_set<std::reference_wrapper<const EventTypeEnum>, decltype([](auto &&eventTypeRef) {
                               return static_cast<std::size_t>(eventTypeRef.get().getId());
                           })>;
 
    static const EventTypeEnum INVALID_EVENT_TYPE;
 
    static const EventTypeEnum QUOTE;
    static const EventTypeEnum PROFILE;
    static const EventTypeEnum SUMMARY;
    static const EventTypeEnum GREEKS;
    static const EventTypeEnum CANDLE;
 
    // static const EventTypeEnum DAILY_CANDLE; // deprecated
 
    static const EventTypeEnum UNDERLYING;
    static const EventTypeEnum THEO_PRICE;
    static const EventTypeEnum TRADE;
    static const EventTypeEnum TRADE_ETH;
    static const EventTypeEnum CONFIGURATION;
    static const EventTypeEnum MESSAGE;
    static const EventTypeEnum TIME_AND_SALE;
 
    // static const EventTypeEnum ORDER_BASE; // non abstract, unusable
 
    static const EventTypeEnum ORDER;
    static const EventTypeEnum ANALYTIC_ORDER;
    static const EventTypeEnum OTC_MARKETS_ORDER;
    static const EventTypeEnum SPREAD_ORDER;
    static const EventTypeEnum SERIES;
    static const EventTypeEnum OPTION_SALE;
 
    static const EventTypeEnum TEXT_MESSAGE;
 
    static const std::vector<std::reference_wrapper<const EventTypeEnum>> ALL;
 
    static const std::unordered_map<std::string, std::reference_wrapper<const EventTypeEnum>> ALL_BY_NAME;
 
    static const std::unordered_map<std::string, std::reference_wrapper<const EventTypeEnum>> ALL_BY_CLASS_NAME;
 
    static const std::unordered_map<std::uint32_t, std::reference_wrapper<const EventTypeEnum>> ALL_BY_ID;
 
    EventTypeEnum() noexcept : EventTypeEnum{static_cast<std::uint32_t>(-1), "INVALID", "Invalid", false} {
    }
 
    virtual ~EventTypeEnum() noexcept = default;
 
    /**
     * @return The dxFeed Graal Native C-API event class id
     */
    [[nodiscard]] std::uint32_t getId() const noexcept {
        return id_;
    }
 
    /**
     * @return The current enum element name
     */
    [[nodiscard]] const std::string &getName() const & noexcept {
        return name_;
    }
 
    /**
     * @return The current enum element class name
     */
    [[nodiscard]] const std::string &getClassName() const & noexcept {
        return className_;
    }
 
    bool operator==(const EventTypeEnum &eventTypeEnum) const noexcept {
        return id_ == eventTypeEnum.id_;
    }
 
    bool operator==(const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum) const noexcept {
        return id_ == eventTypeEnum.get().id_;
    }
 
    friend bool operator==(const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum1,
                           const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum2) noexcept {
        return eventTypeEnum1.get().id_ == eventTypeEnum2.get().id_;
    }
 
    friend bool operator==(const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum1,
                           const EventTypeEnum &eventTypeEnum2) noexcept {
        return eventTypeEnum1.get().id_ == eventTypeEnum2.id_;
    }
 
    bool operator<(const EventTypeEnum &eventTypeEnum) const noexcept {
        return id_ < eventTypeEnum.id_;
    }
 
    bool operator<(const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum) const noexcept {
        return id_ < eventTypeEnum.get().id_;
    }
 
    friend bool operator<(const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum1,
                          const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum2) noexcept {
        return eventTypeEnum1.get().id_ < eventTypeEnum2.get().id_;
    }
 
    friend bool operator<(const std::reference_wrapper<const EventTypeEnum> &eventTypeEnum1,
                          const EventTypeEnum &eventTypeEnum2) noexcept {
        return eventTypeEnum1.get().id_ < eventTypeEnum2.id_;
    }
 
    /**
     * @return `true` if the current enum element is characterizing the Lasting (TICKER) event
     */
    [[nodiscard]] bool isLasting() const noexcept {
        return isLasting_;
    }
 
    /**
     * @return `true` if the current enum element is characterizing the Indexed event.
     */
    [[nodiscard]] bool isIndexed() const noexcept {
        return isIndexed_;
    }
 
    /**
     * @return `true` if the current enum element is characterizing the TimeSeries (HISTORY) event.
     */
    [[nodiscard]] bool isTimeSeries() const noexcept {
        return isTimeSeries_;
    }
 
    /**
     * @return `true` if the current enum element is characterizing the OnlyIndexed (Indexed, but not TimeSeries) event.
     */
    [[nodiscard]] bool isOnlyIndexed() const noexcept {
        return isOnlyIndexed_;
    }
 
    /**
     * @return `true` if the current enum element is characterizing the Market event.
     */
    [[nodiscard]] bool isMarket() const noexcept {
        return isOnlyIndexed_;
    }
};
 
inline namespace literals {
 
/**
 * String literal that helps to construct EventTypeEnum from a char array.
 *
 * @param eventTypeString The event type name's char array
 * @return EventTypeEnum built on char array
 */
inline EventTypeEnum operator""_et(const char *eventTypeString, size_t) noexcept {
    if (auto it = EventTypeEnum::ALL_BY_NAME.find(eventTypeString); it != EventTypeEnum::ALL_BY_NAME.end()) {
        return it->second;
    }
 
    return EventTypeEnum::INVALID_EVENT_TYPE;
}
 
} // namespace literals
 
DXFCPP_END_NAMESPACE
 
template <> struct DXFCPP_EXPORT std::hash<dxfcpp::EventTypeEnum> {
    std::size_t operator()(const dxfcpp::EventTypeEnum &eventType) const noexcept {
        return eventType.getId();
    }
};
 
template <> struct DXFCPP_EXPORT std::hash<std::reference_wrapper<const dxfcpp::EventTypeEnum>> {
    std::size_t operator()(const std::reference_wrapper<const dxfcpp::EventTypeEnum> &eventType) const noexcept {
        return eventType.get().getId();
    }
};
 
DXFCXX_DISABLE_MSC_WARNINGS_POP()