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git.proxmox.com Git - mirror_frr.git/blob - lib/json.h
2 * Copyright (C) 2015 Cumulus Networks, Inc.
4 * This file is part of GNU Zebra.
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
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.
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
21 #ifndef _QUAGGA_JSON_H
22 #define _QUAGGA_JSON_H
30 #include <json-c/json.h>
33 * FRR style JSON iteration.
34 * Usage: JSON_FOREACH(...) { ... }
36 #define JSON_FOREACH(jo, joi, join) \
37 /* struct json_object *jo; */ \
38 /* struct json_object_iterator joi; */ \
39 /* struct json_object_iterator join; */ \
40 for ((joi) = json_object_iter_begin((jo)), \
41 (join) = json_object_iter_end((jo)); \
42 json_object_iter_equal(&(joi), &(join)) == 0; \
43 json_object_iter_next(&(joi)))
45 #define JSON_OBJECT_NEW_ARRAY(json_func, fields, n) \
47 struct json_object *_json_array = json_object_new_array(); \
48 for (int _i = 0; _i < (n); _i++) \
49 json_object_array_add(_json_array, \
50 (json_func)((fields)[_i])); \
54 extern bool use_json(const int argc
, struct cmd_token
*argv
[]);
55 extern void json_object_string_add(struct json_object
*obj
, const char *key
,
57 extern void json_object_int_add(struct json_object
*obj
, const char *key
,
59 void json_object_boolean_add(struct json_object
*obj
, const char *key
,
62 extern void json_object_double_add(struct json_object
*obj
, const char *key
,
64 extern void json_object_boolean_false_add(struct json_object
*obj
,
66 extern void json_object_boolean_true_add(struct json_object
*obj
,
68 extern struct json_object
*json_object_lock(struct json_object
*obj
);
69 extern void json_object_free(struct json_object
*obj
);
70 extern void json_array_string_add(json_object
*json
, const char *str
);
72 /* printfrr => json helpers */
75 extern void json_object_string_addv(struct json_object
*obj
, const char *key
,
76 const char *fmt
, va_list args
);
78 static inline void json_object_string_addf(struct json_object
*obj
,
79 const char *key
, const char *fmt
,
85 json_object_string_addv(obj
, key
, fmt
, args
);
90 extern void json_array_string_addv(json_object
*json
, const char *fmt
,
93 static inline void json_array_string_addf(struct json_object
*obj
,
99 json_array_string_addv(obj
, fmt
, args
);
104 extern struct json_object
*json_object_new_stringv(const char *fmt
,
107 static inline struct json_object
*json_object_new_stringf(const char *fmt
, ...)
109 struct json_object
*ret
;
113 ret
= json_object_new_stringv(fmt
, args
);
119 /* NOTE: argument order differs! (due to varargs)
120 * json_object_object_add(parent, key, child)
121 * json_object_object_addv(parent, child, key, va)
122 * json_object_object_addf(parent, child, key, ...)
123 * (would be weird to have the child inbetween the format string and args)
126 extern void json_object_object_addv(struct json_object
*parent
,
127 struct json_object
*child
,
128 const char *keyfmt
, va_list args
);
130 static inline void json_object_object_addf(struct json_object
*parent
,
131 struct json_object
*child
,
132 const char *keyfmt
, ...)
136 va_start(args
, keyfmt
);
137 json_object_object_addv(parent
, child
, keyfmt
, args
);
141 #define JSON_STR "JavaScript Object Notation\n"
143 /* NOTE: json-c lib has following commit 316da85 which
144 * handles escape of forward slash.
145 * This allows prefix "20.0.14.0\/24":{
146 * to "20.0.14.0/24":{ some platforms do not have
147 * latest copy of json-c where defining below macro.
150 #ifndef JSON_C_TO_STRING_NOSLASHESCAPE
153 * Don't escape forward slashes.
155 #define JSON_C_TO_STRING_NOSLASHESCAPE (1<<4)
162 #endif /* _QUAGGA_JSON_H */