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cc372b17 SL |
1 | #ifndef __JSON__H |
2 | #define __JSON__H | |
a666cab8 JA |
3 | |
4 | #include "lib/output_buffer.h" | |
5 | ||
cc372b17 SL |
6 | #define JSON_TYPE_STRING 0 |
7 | #define JSON_TYPE_INTEGER 1 | |
8 | #define JSON_TYPE_FLOAT 2 | |
9 | #define JSON_TYPE_OBJECT 3 | |
10 | #define JSON_TYPE_ARRAY 4 | |
11 | #define JSON_PARENT_TYPE_PAIR 0 | |
12 | #define JSON_PARENT_TYPE_ARRAY 1 | |
13 | struct json_value { | |
14 | int type; | |
15 | union { | |
ee2e5717 | 16 | long long integer_number; |
cc372b17 SL |
17 | double float_number; |
18 | char *string; | |
19 | struct json_object *object; | |
20 | struct json_array *array; | |
21 | }; | |
22 | int parent_type; | |
23 | union { | |
24 | struct json_pair *parent_pair; | |
25 | struct json_array *parent_array; | |
26 | }; | |
27 | }; | |
28 | ||
29 | struct json_array { | |
30 | struct json_value **values; | |
31 | int value_cnt; | |
32 | struct json_value *parent; | |
33 | }; | |
34 | ||
35 | struct json_object { | |
36 | struct json_pair **pairs; | |
37 | int pair_cnt; | |
38 | struct json_value *parent; | |
39 | }; | |
40 | ||
41 | struct json_pair { | |
42 | char *name; | |
43 | struct json_value *value; | |
44 | struct json_object *parent; | |
45 | }; | |
46 | ||
47 | struct json_object *json_create_object(void); | |
48 | struct json_array *json_create_array(void); | |
49 | ||
50 | void json_free_object(struct json_object *obj); | |
51 | ||
eb2f29b7 BVA |
52 | int json_object_add_value_type(struct json_object *obj, const char *name, |
53 | const struct json_value *val); | |
54 | ||
55 | static inline int json_object_add_value_int(struct json_object *obj, | |
56 | const char *name, long long val) | |
57 | { | |
58 | struct json_value arg = { | |
59 | .type = JSON_TYPE_INTEGER, | |
eb2f29b7 BVA |
60 | }; |
61 | ||
173ff874 | 62 | arg.integer_number = val; |
eb2f29b7 BVA |
63 | return json_object_add_value_type(obj, name, &arg); |
64 | } | |
65 | ||
66 | static inline int json_object_add_value_float(struct json_object *obj, | |
67 | const char *name, double val) | |
68 | { | |
69 | struct json_value arg = { | |
70 | .type = JSON_TYPE_FLOAT, | |
eb2f29b7 BVA |
71 | }; |
72 | ||
173ff874 | 73 | arg.float_number = val; |
eb2f29b7 BVA |
74 | return json_object_add_value_type(obj, name, &arg); |
75 | } | |
76 | ||
77 | static inline int json_object_add_value_string(struct json_object *obj, | |
78 | const char *name, | |
79 | const char *val) | |
80 | { | |
81 | struct json_value arg = { | |
82 | .type = JSON_TYPE_STRING, | |
eb2f29b7 | 83 | }; |
e0825685 DP |
84 | union { |
85 | const char *a; | |
86 | char *b; | |
87 | } string; | |
eb2f29b7 | 88 | |
e0825685 DP |
89 | string.a = val ? val : ""; |
90 | arg.string = string.b; | |
eb2f29b7 BVA |
91 | return json_object_add_value_type(obj, name, &arg); |
92 | } | |
93 | ||
94 | static inline int json_object_add_value_object(struct json_object *obj, | |
95 | const char *name, | |
96 | struct json_object *val) | |
97 | { | |
98 | struct json_value arg = { | |
99 | .type = JSON_TYPE_OBJECT, | |
eb2f29b7 BVA |
100 | }; |
101 | ||
60b49c7c | 102 | arg.object = val; |
eb2f29b7 BVA |
103 | return json_object_add_value_type(obj, name, &arg); |
104 | } | |
105 | ||
106 | static inline int json_object_add_value_array(struct json_object *obj, | |
107 | const char *name, | |
108 | struct json_array *val) | |
109 | { | |
110 | struct json_value arg = { | |
111 | .type = JSON_TYPE_ARRAY, | |
eb2f29b7 BVA |
112 | }; |
113 | ||
173ff874 | 114 | arg.array = val; |
eb2f29b7 BVA |
115 | return json_object_add_value_type(obj, name, &arg); |
116 | } | |
117 | ||
118 | int json_array_add_value_type(struct json_array *array, | |
119 | const struct json_value *val); | |
120 | ||
121 | static inline int json_array_add_value_int(struct json_array *obj, | |
122 | long long val) | |
123 | { | |
124 | struct json_value arg = { | |
125 | .type = JSON_TYPE_INTEGER, | |
eb2f29b7 BVA |
126 | }; |
127 | ||
173ff874 | 128 | arg.integer_number = val; |
eb2f29b7 BVA |
129 | return json_array_add_value_type(obj, &arg); |
130 | } | |
131 | ||
132 | static inline int json_array_add_value_float(struct json_array *obj, | |
133 | double val) | |
134 | { | |
135 | struct json_value arg = { | |
136 | .type = JSON_TYPE_FLOAT, | |
eb2f29b7 BVA |
137 | }; |
138 | ||
173ff874 | 139 | arg.float_number = val; |
eb2f29b7 BVA |
140 | return json_array_add_value_type(obj, &arg); |
141 | } | |
142 | ||
143 | static inline int json_array_add_value_string(struct json_array *obj, | |
144 | const char *val) | |
145 | { | |
146 | struct json_value arg = { | |
147 | .type = JSON_TYPE_STRING, | |
eb2f29b7 BVA |
148 | }; |
149 | ||
173ff874 | 150 | arg.string = (char *)val; |
eb2f29b7 BVA |
151 | return json_array_add_value_type(obj, &arg); |
152 | } | |
153 | ||
154 | static inline int json_array_add_value_object(struct json_array *obj, | |
155 | struct json_object *val) | |
156 | { | |
157 | struct json_value arg = { | |
158 | .type = JSON_TYPE_OBJECT, | |
eb2f29b7 BVA |
159 | }; |
160 | ||
173ff874 | 161 | arg.object = val; |
eb2f29b7 BVA |
162 | return json_array_add_value_type(obj, &arg); |
163 | } | |
164 | ||
165 | static inline int json_array_add_value_array(struct json_array *obj, | |
166 | struct json_array *val) | |
167 | { | |
168 | struct json_value arg = { | |
169 | .type = JSON_TYPE_ARRAY, | |
eb2f29b7 BVA |
170 | }; |
171 | ||
173ff874 | 172 | arg.array = val; |
eb2f29b7 BVA |
173 | return json_array_add_value_type(obj, &arg); |
174 | } | |
cc372b17 | 175 | |
952b05e0 CF |
176 | #define json_array_last_value_object(obj) \ |
177 | (obj->values[obj->value_cnt - 1]->object) | |
178 | ||
a666cab8 | 179 | void json_print_object(struct json_object *obj, struct buf_output *out); |
cc372b17 | 180 | #endif |