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#include <libfungw/fungw.h>
/* call a funciton defined in an object */
int my_atoi(fgw_ctx_t *ctx, const char *str)
{
fgw_arg_t res, arg[2];
fgw_func_t *f;
f = fgw_func_lookup(ctx, "atoi");
if (f != NULL) {
arg[0].type = FGW_FUNC;
arg[0].val.func = f;
arg[1].type = FGW_STR;
arg[1].val.cstr = str;
f->func(&res, 2, arg);
if (res.type != FGW_INT) {
fprintf(stderr, "ERROR: atoi() returned non-int\n");
return 0;
}
}
else {
printf("ERROR: atoi() not found.\n");
return -1;
}
return res.val.nat_int;
}
/* Public function; atoi() is provided by another objects through fungw */
static fgw_error_t c_hello(fgw_arg_t *res, int argc, fgw_arg_t *argv)
{
fgw_ctx_t *ctx = argv[0].val.func->obj->parent;
if (argc != 3)
return FGW_ERR_ARGC;
if (fgw_arg_conv(ctx, &argv[1], FGW_INT) != 0)
return FGW_ERR_ARG_CONV;
if (fgw_arg_conv(ctx, &argv[2], FGW_STR) != 0)
return FGW_ERR_ARG_CONV;
printf("Hello %d %s\n", argv[1].val.nat_int, argv[2].val.str);
printf("atoi: %d\n", my_atoi(ctx, "42"));
res->val.nat_int = 66;
res->type = FGW_INT;
return FGW_SUCCESS;
}
void hello_load(fgw_obj_t *obj)
{
printf("hello world from init %d\n", my_atoi(obj->parent, "33"));
/* register hello(), to be called from other objects and the host application */
fgw_func_reg(obj, "hello", c_hello);
}
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