static int
write_iff(struct lyout *out, const struct lys_module *module, struct lys_iffeature *expr, int prefix_kind,
int *index_e, int *index_f)
{
int count = 0, brackets_flag = *index_e;
uint8_t op;
struct lys_module *mod;
op = iff_getop(expr->expr, *index_e);
(*index_e)++;
switch (op) {
case LYS_IFF_F:
if (lys_main_module(expr->features[*index_f]->module) != lys_main_module(module)) {
if (prefix_kind == 0) {
count += ly_print(out, "%s:", transform_module_name2import_prefix(module,
lys_main_module(expr->features[*index_f]->module)->name));
} else if (prefix_kind == 1) {
count += ly_print(out, "%s:", lys_main_module(expr->features[*index_f]->module)->name);
} else if (prefix_kind == 2) {
count += ly_print(out, "%s:", lys_main_module(expr->features[*index_f]->module)->prefix);
} else if (prefix_kind == 3) {
mod = lys_main_module(expr->features[*index_f]->module);
count += ly_print(out, "%s%s%s:", mod->name, mod->rev_size ? "@" : "", mod->rev_size ? mod->rev[0].date : "");
}
}
count += ly_print(out, expr->features[*index_f]->name);
(*index_f)++;
break;
case LYS_IFF_NOT:
count += ly_print(out, "not ");
count += write_iff(out, module, expr, prefix_kind, index_e, index_f);
break;
case LYS_IFF_AND:
if (brackets_flag) {
/* AND need brackets only if previous op was not */
if (*index_e < 2 || iff_getop(expr->expr, *index_e - 2) != LYS_IFF_NOT) {
brackets_flag = 0;
}
}
/* falls through */
case LYS_IFF_OR:
if (brackets_flag) {
count += ly_print(out, "(");
}
count += write_iff(out, module, expr, prefix_kind, index_e, index_f);
count += ly_print(out, " %s ", op == LYS_IFF_OR ? "or" : "and");
count += write_iff(out, module, expr, prefix_kind, index_e, index_f);
if (brackets_flag) {
count += ly_print(out, ")");
}
}
return count;
}
const char *
transform_module_name2import_prefix(const struct lys_module *module, const char *module_name)
{
uint16_t i;
if (!strcmp(lys_main_module(module)->name, module_name)) {
/* the same for module and submodule */
return module->prefix;
}
for (i = 0; i < module->imp_size; ++i) {
if (!strcmp(module->imp[i].module->name, module_name)) {
return module->imp[i].prefix;
}
}
return NULL;
}
