lib/json.c

   1 /* json-c wrapper
   2  * Copyright (C) 2015 Cumulus Networks, Inc.
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <zebra.h>
  22
  23 #include "command.h"
  24 #include "lib/json.h"
  25
  26 /*
  27  * This function assumes that the json keyword
  28  * is the *last* keyword on the line no matter
  29  * what.
  30  */
  31 bool use_json(const int argc, struct cmd_token *argv[])
  32 {
  33         if (argc == 0)
  34                 return false;
  35
  36         if (argv[argc - 1]->arg && strmatch(argv[argc - 1]->text, "json"))
  37                 return true;
  38
  39         return false;
  40 }
  41
  42 void json_object_string_add(struct json_object *obj, const char *key,
  43                             const char *s)
  44 {
  45         json_object_object_add(obj, key, json_object_new_string(s));
  46 }
  47
  48 void json_object_int_add(struct json_object *obj, const char *key, int64_t i)
  49 {
  50 #if defined(HAVE_JSON_C_JSON_H)
  51         json_object_object_add(obj, key, json_object_new_int64(i));
  52 #else
  53         json_object_object_add(obj, key, json_object_new_int((int)i));
  54 #endif
  55 }
  56
  57 void json_object_boolean_false_add(struct json_object *obj, const char *key)
  58 {
  59         json_object_object_add(obj, key, json_object_new_boolean(0));
  60 }
  61
  62 void json_object_boolean_true_add(struct json_object *obj, const char *key)
  63 {
  64         json_object_object_add(obj, key, json_object_new_boolean(1));
  65 }
  66
  67 struct json_object *json_object_lock(struct json_object *obj)
  68 {
  69         return json_object_get(obj);
  70 }
  71
  72 void json_object_free(struct json_object *obj)
  73 {
  74         json_object_put(obj);
  75 }
  76
  77 #if !defined(HAVE_JSON_C_JSON_H)
  78 int json_object_object_get_ex(struct json_object *obj, const char *key,
  79                               struct json_object **value)
  80 {
  81         *value = json_object_object_get(obj, key);
  82
  83         if (*value)
  84                 return 1;
  85
  86         return 0;
  87 }
  88 #endif