Re: Converting strings to enum values (C API)

[Philipp Janda <siffiejoe@...>]

Am 06.12.2013 00:12 schröbte William Ahern:
> On Wed, Dec 04, 2013 at 06:04:43PM -0500, Marc Lepage wrote:
> > http://www.lua.org/source/5.1/lbaselib.c.html#luaB_collectgarbage
> [...]
>
> There are other problems with luaL_checkoption, though.
>
> * [...]
>
> * Enumerations sometimes have gaps, but there's no way to easily specify
>    gaps, especially when a set is particularly sparse. I can only use
>    luaL_checkoption a fraction of the time I need to map strings to integer
>    values.

Use a NULL-terminated string array and `luaL_checkoption` to map a 
string to an index, and use another array to map the index to your enum 
value (like in the linked example). This way it doesn't matter how 
sparse your enums are ...

Philipp