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
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  18  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19  * 02111-1307, USA.
  20  */
  21
  22 #include <zebra.h>
  23
  24 #include "command.h"
  25 #include "lib/json.h"
  26
  27 /*
  28  * This function assumes that the json keyword
  29  * is the *last* keyword on the line no matter
  30  * what.
  31  */
  32 int
  33 use_json (const int argc, struct cmd_token *argv[])
  34 {
  35   if (argc == 0)
  36     return 0;
  37
  38   if (argv[argc-1]->arg && strcmp(argv[argc-1]->arg, "json") == 0)
  39     return 1;
  40
  41   return 0;
  42 }
  43
  44 void
  45 json_object_string_add(struct json_object* obj, const char *key,
  46                        const char *s)
  47 {
  48   json_object_object_add(obj, key, json_object_new_string(s));
  49 }
  50
  51 void
  52 json_object_int_add(struct json_object* obj, const char *key, int32_t i)
  53 {
  54   json_object_object_add(obj, key, json_object_new_int(i));
  55 }
  56
  57 void
  58 json_object_long_add(struct json_object* obj, const char *key, int64_t i)
  59 {
  60 #if defined(HAVE_JSON_C_JSON_H)
  61   json_object_object_add(obj, key, json_object_new_int64(i));
  62 #else
  63   json_object_object_add(obj, key, json_object_new_int((int)i));
  64 #endif
  65 }
  66
  67 void
  68 json_object_boolean_false_add(struct json_object* obj, const char *key)
  69 {
  70   json_object_object_add(obj, key, json_object_new_boolean(0));
  71 }
  72
  73 void
  74 json_object_boolean_true_add(struct json_object* obj, const char *key)
  75 {
  76   json_object_object_add(obj, key, json_object_new_boolean(1));
  77 }
  78
  79 struct json_object*
  80 json_object_lock(struct json_object *obj)
  81 {
  82   return json_object_get(obj);
  83 }
  84
  85 void
  86 json_object_free(struct json_object *obj)
  87 {
  88   json_object_put(obj);
  89 }
  90
  91 #if !defined(HAVE_JSON_C_JSON_H)
  92 int
  93 json_object_object_get_ex(struct json_object *obj,
  94                           const char *key,
  95                           struct json_object **value)
  96 {
  97   *value = json_object_object_get(obj, key);
  98
  99   if (*value)
 100     return 1;
 101
 102   return 0;
 103 }
 104 #endif