Converting strings to enum in C++?

Question

Strings to enum in C#, how do you normally converting strings to enum in C++. Any helper function that you use, is it a good idea to do this.

I should point that using strings as enums is probably a poor design choice. — Ismael
– Ismael, Commented Feb 3, 2009 at 19:58

SAMills · Accepted Answer · 2009-02-03 19:36:25Z

2

I reviewed this approach awhile ago - available via Code Project

answered Feb 3, 2009 at 19:36

SAMills

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Crashworks · Accepted Answer · 2009-02-03 19:32:50Z

0

You will probably need to use a std::map or hash_map data structure.

answered Feb 3, 2009 at 19:32

Crashworks

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1 Comment

Reunanen Over a year ago

or boost/TR1 unordered_map (instead of the non-standard hash_map)

Andrii Syrokomskyi · Accepted Answer · 2013-04-15 10:24:33Z

0

#include <EnumString.h>

from http://codeproject.com/Articles/42035/Enum-to-String-and-Vice-Versa-in-C and after

enum FORM {
    F_NONE = 0,
    F_BOX,
    F_CUBE,
    F_SPHERE,
};

insert

Begin_Enum_String( FORM )
{
    Enum_String( F_NONE );
    Enum_String( F_BOX );
    Enum_String( F_CUBE );
    Enum_String( F_SPHERE );
}
End_Enum_String;

Work fine, if values in enum are not dublicate.

Example in code

enum FORM f = ...
const std::string& str = EnumString< FORM >::From( f );

and vice versa

assert( EnumString< FORM >::To( f, str ) );

answered Apr 15, 2013 at 10:24

Andrii Syrokomskyi

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