src/args.c

   1 /* Copyright (C) 2020 SovietPony
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, version 3 of the License ONLY.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  */
  15
  16 #include "args.h"
  17 #include "system.h"
  18 #include "error.h"
  19 #include "config.h"
  20 #include <assert.h>
  21
  22 void ARG_parse (int argc, char **argv, int n, const cfg_t **list) {
  23   assert(argc >= 0);
  24   assert(argv != NULL);
  25   assert(n >= 0);
  26   assert(list != NULL);
  27   int i, j;
  28   char *key;
  29   const cfg_t *c;
  30   for (i = 1; i < argc; i++) {
  31     if (argv[i][0] == '-' && argv[i][1] != 0) {
  32       j = 0;
  33       c = NULL;
  34       key = &argv[i][1];
  35       while (j < n && c == NULL){
  36         c = CFG_find_entry(key, list[j]);
  37         j++;
  38       }
  39       if (c == NULL) {
  40         ERR_failinit("%s: unknown parameter %s\n", argv[0], argv[i]);
  41       } else if (c->t == Y_SW_ON || c->t == Y_SW_OFF) {
  42         CFG_update_key(key, "on", c);
  43       } else if (i + 1 < argc) {
  44         CFG_update_key(key, argv[i + 1], c);
  45         i += 1;
  46       } else {
  47         ERR_failinit("%s: missing argument for parameter %s\n", argv[0], argv[i]);
  48       }
  49     } else {
  50       ERR_failinit("%s: something wrong here: %s\n", argv[0], argv[i]);
  51     }
  52   }
  53 }