Re: [Boost-users] [boost::serialization] Convert enumeration tostringand back again

From: Nat Goodspeed (ngoodspeed_at_[hidden])
Date: 2006-09-16 08:34:44

> ________________________________________
> From: boost-users-bounces_at_[hidden]
[mailto:boost-users-bounces_at_[hidden]] On Behalf Of Robert Ramey
> Sent: Saturday, September 16, 2006 2:27 AM
> To: boost-users_at_[hidden]
> Subject: Re: [Boost-users] [boost::serialization] Convert enumeration
tostringand back again
> 
> class param_choice {
>     enum
>     {
>         PARAM_CHOICE_UINT8,
>         PARAM_CHOICE_UINT16,
>         PARAM_CHOICE_UINT32,
>         PARAM_CHOICE_INT8,
>         PARAM_CHOICE_BOOL
>     }  m_current_value;
>     template<class Archive>
>     save(Archive &ar, unsigned int version) {
>         std::string svalue;
>         switch(m_current_value){

[Nat] If I were going to do this "by hand," I'd at least want to
construct a map. From that I'd populate another for the reverse lookup.
But that's probably because I haven't yet read up on Boost.MultiIndex.

>         case PARAM_CHOICE_UINT8:
>             svalue = "PARAM_CHOICE_UINT8";
>         ...
>         }
>         ar << BOOST_SERIALIZATION_NVP(svalue);
>     }
>     template<class Archive>
>     load(Archive &ar, unsigned int version){
>         std::string svalue;
>         ar >> BOOST_SERIALIZATION_NVP(svalue);
>         if(svalue == std::string("PARAM_CHOICE_UINT8")
>            m_current_value = PARAM_CHOICE_UINT8;
>         else
>         if(...
>         ...
>     }
> };