On Sun, Sep 22, 2013 at 11:22 AM, Tom Browder <[email protected]> wrote:
> On Fri, Sep 20, 2013 at 8:13 AM, Tom Browder <[email protected]> wrote:
..
> Ref different structs for different arg types: The arg type flag
> would still be required AFAIK unless we can use some C++ magic (will
> RTTI work?) on that side to disambiguate the type of struct. Ideas?
Apparently there is a way to get RTTI in C but it takes dynamic memory--bummer!
However, maybe a macro can hide the arg type flag from the user on the
C side. Something like:
# define BU_ARG_SWITCH (_flag_str, _name_str, _desc_str, _def_val_bool) \
{BU_SwitchArg, _flag_str, _name_str, _desc_str, _def_val_bool}
and use it like this:
static bu_arg_switch f_arg = BU_ARG_SWITCH_INIT("?", "long-help",
"more help", 0);
/* more arg defs ... */
static void *args[] = {(void*)&f_arg, (void*)&other_args, NULL};
bu_arg_parse(args, argc, argv);
-Tom
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