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 struct json_object *json_object_new_stringv(const char *fmt, va_list args)
  43 {
  44         struct json_object *ret;
  45         char *text, buf[256];
  46
  47         text = vasnprintfrr(MTYPE_TMP, buf, sizeof(buf), fmt, args);
  48         ret = json_object_new_string(text);
  49
  50         if (text != buf)
  51                 XFREE(MTYPE_TMP, text);
  52         return ret;
  53 }
  54
  55 void json_array_string_add(json_object *json, const char *str)
  56 {
  57         json_object_array_add(json, json_object_new_string(str));
  58 }
  59
  60 void json_array_string_addv(json_object *json, const char *fmt, va_list args)
  61 {
  62         json_object_array_add(json, json_object_new_stringv(fmt, args));
  63 }
  64
  65 void json_object_string_add(struct json_object *obj, const char *key,
  66                             const char *s)
  67 {
  68         json_object_object_add(obj, key, json_object_new_string(s));
  69 }
  70
  71 void json_object_string_addv(struct json_object *obj, const char *key,
  72                              const char *fmt, va_list args)
  73 {
  74         json_object_object_add(obj, key, json_object_new_stringv(fmt, args));
  75 }
  76
  77 void json_object_int_add(struct json_object *obj, const char *key, int64_t i)
  78 {
  79         json_object_object_add(obj, key, json_object_new_int64(i));
  80 }
  81
  82 void json_object_double_add(struct json_object *obj, const char *key, double i)
  83 {
  84         json_object_object_add(obj, key, json_object_new_double(i));
  85 }
  86
  87 void json_object_boolean_false_add(struct json_object *obj, const char *key)
  88 {
  89         json_object_object_add(obj, key, json_object_new_boolean(0));
  90 }
  91
  92 void json_object_boolean_true_add(struct json_object *obj, const char *key)
  93 {
  94         json_object_object_add(obj, key, json_object_new_boolean(1));
  95 }
  96
  97 void json_object_boolean_add(struct json_object *obj, const char *key, bool val)
  98 {
  99         json_object_object_add(obj, key, json_object_new_boolean(val));
 100 }
 101
 102 struct json_object *json_object_lock(struct json_object *obj)
 103 {
 104         return json_object_get(obj);
 105 }
 106
 107 void json_object_free(struct json_object *obj)
 108 {
 109         json_object_put(obj);
 110 }