Re: [boost] enum / string translation

Subject: Re: [boost] enum / string translation
From: Zachary Turner (divisortheory_at_[hidden])
Date: 2009-07-22 08:56:42

On Wed, Jul 22, 2009 at 6:52 AM, Mathias
Gaunard<mathias.gaunard_at_[hidden]> wrote:
> Zachary Turner a écrit :
>>
>> I wrote some code to perform both compile-time and runtime translation
>> between enums and their corresponding string values.  The only
>> direction that isn't possible is string->enum at compile time.
>>
>> Is there any interest in this?  You can use it as follows:
>>
>> typedef enum { ValueA1, ValueA2 } EnumA;
>> typedef enum { ValueB1, ValueB2 } EnumB;
>>
>> BEGIN_ENUM_MAP_DECLS()
>>   BEGIN_ENUM_MAP(EnumA, a_map)
>>      ENUM_MAP(ValueA1)  //maps ValueA1 to the string "ValueA1",
>> provides both compile-time and run-time lookups.
>>      ENUM_MAP_NAME(ValueA2, "custom name")   //maps ValueA2 to the
>> string "custom name", provides both compile-time and run-time lookups
>>   END_ENUM_MAP()
>>
>>   BEGIN_ENUM_MAP(EnumB, b_map)
>>      ENUM_MAP(ValueB1)
>>      ENUM_MAP(ValueB2)
>>   END_ENUM_MAP()
>> END_ENUM_MAP_DECLS()
>
> So that means I'll have a copy of the runtime map in every translation unit?

Not if you declare it in a cpp file, but if you declare it in a highly
visible .h file then yes.  Do you have a way around this so that it
can be declared in a .h file?