lib/json.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* json-c wrapper
   3  * Copyright (C) 2015 Cumulus Networks, Inc.
   4  */
   5
   6 #include <zebra.h>
   7
   8 #include "command.h"
   9 #include "lib/json.h"
  10
  11 /*
  12  * This function assumes that the json keyword
  13  * is the *last* keyword on the line no matter
  14  * what.
  15  */
  16 bool use_json(const int argc, struct cmd_token *argv[])
  17 {
  18         if (argc == 0)
  19                 return false;
  20
  21         if (argv[argc - 1]->arg && strmatch(argv[argc - 1]->text, "json"))
  22                 return true;
  23
  24         return false;
  25 }
  26
  27 struct json_object *json_object_new_stringv(const char *fmt, va_list args)
  28 {
  29         struct json_object *ret;
  30         char *text, buf[256];
  31
  32         text = vasnprintfrr(MTYPE_TMP, buf, sizeof(buf), fmt, args);
  33         ret = json_object_new_string(text);
  34
  35         if (text != buf)
  36                 XFREE(MTYPE_TMP, text);
  37         return ret;
  38 }
  39
  40 void json_array_string_add(json_object *json, const char *str)
  41 {
  42         json_object_array_add(json, json_object_new_string(str));
  43 }
  44
  45 void json_array_string_addv(json_object *json, const char *fmt, va_list args)
  46 {
  47         json_object_array_add(json, json_object_new_stringv(fmt, args));
  48 }
  49
  50 void json_object_string_add(struct json_object *obj, const char *key,
  51                             const char *s)
  52 {
  53         json_object_object_add(obj, key, json_object_new_string(s));
  54 }
  55
  56 void json_object_string_addv(struct json_object *obj, const char *key,
  57                              const char *fmt, va_list args)
  58 {
  59         json_object_object_add(obj, key, json_object_new_stringv(fmt, args));
  60 }
  61
  62 void json_object_object_addv(struct json_object *parent,
  63                              struct json_object *child, const char *keyfmt,
  64                              va_list args)
  65 {
  66         char *text, buf[256];
  67
  68         text = vasnprintfrr(MTYPE_TMP, buf, sizeof(buf), keyfmt, args);
  69         json_object_object_add(parent, text, child);
  70
  71         if (text != buf)
  72                 XFREE(MTYPE_TMP, text);
  73 }
  74
  75 void json_object_int_add(struct json_object *obj, const char *key, int64_t i)
  76 {
  77         json_object_object_add(obj, key, json_object_new_int64(i));
  78 }
  79
  80 void json_object_double_add(struct json_object *obj, const char *key, double i)
  81 {
  82         json_object_object_add(obj, key, json_object_new_double(i));
  83 }
  84
  85 void json_object_boolean_false_add(struct json_object *obj, const char *key)
  86 {
  87         json_object_object_add(obj, key, json_object_new_boolean(0));
  88 }
  89
  90 void json_object_boolean_true_add(struct json_object *obj, const char *key)
  91 {
  92         json_object_object_add(obj, key, json_object_new_boolean(1));
  93 }
  94
  95 void json_object_boolean_add(struct json_object *obj, const char *key, bool val)
  96 {
  97         json_object_object_add(obj, key, json_object_new_boolean(val));
  98 }
  99
 100 struct json_object *json_object_lock(struct json_object *obj)
 101 {
 102         return json_object_get(obj);
 103 }
 104
 105 void json_object_free(struct json_object *obj)
 106 {
 107         json_object_put(obj);
 108 }