blob: 603cfd471906a9439baa89cf0d092aa7442aa136 [file] [log] [blame]
/**
* @file cmd_feature.c
* @author Michal Vasko <mvasko@cesnet.cz>
* @brief 'feature' command of the libyang's yanglint tool.
*
* Copyright (c) 2015-2021 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/
#define _GNU_SOURCE
#include "cmd.h"
#include <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include "libyang.h"
#include "common.h"
void
cmd_feature_help(void)
{
printf("Usage: feature [-h] <module> [<module>]*\n"
" Print features of all the module with state of each one.\n");
}
int
collect_features(const struct lys_module *mod, struct ly_set *set)
{
struct lysp_feature *f = NULL;
uint32_t idx = 0;
while ((f = lysp_feature_next(f, mod->parsed, &idx))) {
if (ly_set_add(set, (void *)f->name, 1, NULL)) {
YLMSG_E("Memory allocation failed.\n");
ly_set_erase(set, NULL);
return 1;
}
}
return 0;
}
void
cmd_feature(struct ly_ctx **ctx, const char *cmdline)
{
int argc = 0;
char **argv = NULL;
int opt, opt_index, i;
struct option options[] = {
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
struct ly_set set = {0};
size_t max_len;
uint32_t j;
const char *name;
if (parse_cmdline(cmdline, &argc, &argv)) {
goto cleanup;
}
while ((opt = getopt_long(argc, argv, "h", options, &opt_index)) != -1) {
switch (opt) {
case 'h':
cmd_feature_help();
goto cleanup;
default:
YLMSG_E("Unknown option.\n");
goto cleanup;
}
}
if (argc == optind) {
YLMSG_E("Missing modules to print.\n");
goto cleanup;
}
for (i = 0; i < argc - optind; i++) {
const struct lys_module *mod = ly_ctx_get_module_latest(*ctx, argv[optind + i]);
if (!mod) {
YLMSG_E("Module \"%s\" not found.\n", argv[optind + i]);
goto cleanup;
}
/* collect features of the module */
if (collect_features(mod, &set)) {
goto cleanup;
}
/* header */
printf("%s features:\n", mod->name);
if (set.count) {
/* get max len */
max_len = 0;
for (j = 0; j < set.count; ++j) {
name = set.objs[j];
if (strlen(name) > max_len) {
max_len = strlen(name);
}
}
/* print features */
for (j = 0; j < set.count; ++j) {
name = set.objs[j];
printf("\t%-*s (%s)\n", (int)max_len, name, lys_feature_value(mod, name) ? "off" : "on");
}
ly_set_erase(&set, NULL);
} else {
printf("\t(none)\n");
}
}
cleanup:
free_cmdline(argv);
}