EnumChannelDirection.h

//----------------------------------------------------------------
//
// File: EnumChannelDirection.h
//
//----------------------------------------------------------------
 
#pragma once
 
#include <string>
#include <ostream>
#include <array>
 
/*-----------------------------------------------------------*/
enum class ChannelDirection
{
    Invalid = 0,   
    NotApplicable, 
    Forward,       
    Return         
};
 
namespace EnumChannelDirection
{
    ChannelDirection fromString(const std::string& s);
    ChannelDirection fromUnsigned(unsigned v)                noexcept;
    std::string      toString(ChannelDirection d)            noexcept;
    bool             isConvertibleFrom(const std::string& s) noexcept;
    std::string      listAsString();

    constexpr const std::array<ChannelDirection, 3> enumerators
    {
        // ChannelDirection::Invalid,     // Purposefully leave out
        ChannelDirection::NotApplicable,
        ChannelDirection::Forward,
        ChannelDirection::Return
    };
}
 
std::ostream& operator<< (std::ostream& out, const ChannelDirection& d);
 
/*-----------------------------------------------------------*/
 
//-----------------------------------------------------------------