CommandType.h

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#pragma once
#include <array>
#include <cstdint>
#include <stdexcept>
#include <string_view>
 
namespace trading_core {
    enum class CommandType : uint8_t {
        NewOrder, 
        CancelOrder, 
        ModifyOrder, 
        COUNT 
    };
 
    constexpr std::array<std::string_view,
                         static_cast<size_t>(CommandType::COUNT)>
            command_type_names = {"NewOrder", "CancelOrder", "ModifyOrder"};
 
    inline std::string to_string(CommandType type)
    {
        return std::string(command_type_names[static_cast<size_t>(type)]);
    }
 
    inline CommandType from_string(std::string_view name)
    {
        for (size_t i = 0; i < command_type_names.size(); ++i)
            if (command_type_names[i] == name)
                return static_cast<CommandType>(i);
        throw std::invalid_argument("Unknown command type name");
    }
} // namespace trading_core