4 * (c) 2015 Martin Mares <mj@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
10 #ifndef _UCW_JSON_JSON_H
11 #define _UCW_JSON_JSON_H
13 #include <ucw/clists.h>
14 #include <ucw/slists.h>
15 #include <ucw/mempool.h>
16 #include <ucw/fastbuf.h>
18 #ifdef CONFIG_UCW_CLEAN_ABI
28 struct mempool_state init_state;
31 struct fastbuf *in_fb;
34 struct json_node *next_token;
35 struct json_node *trivial_token;
38 struct fastbuf *out_fb;
41 struct json_context *json_new(void);
42 void json_delete(struct json_context *js);
43 void json_reset(struct json_context *js);
53 // These are not real nodes, but raw tokens
64 enum json_node_type type;
69 struct json_node **elements; // Growing array
70 struct json_pair *pairs; // Growing array
76 struct json_node *value;
80 struct json_node *json_new_node(struct json_context *js, enum json_node_type type);
82 static inline struct json_node *json_new_null(struct json_context *js)
84 return json_new_node(js, JSON_NULL);
87 static inline struct json_node *json_new_bool(struct json_context *js, bool value)
89 struct json_node *n = json_new_node(js, JSON_BOOLEAN);
94 static inline struct json_node *json_new_number(struct json_context *js, double value)
96 struct json_node *n = json_new_node(js, JSON_NUMBER);
101 static inline struct json_node *json_new_string_ref(struct json_context *js, const char *value)
103 struct json_node *n = json_new_node(js, JSON_STRING);
108 static inline struct json_node *json_new_string(struct json_context *js, const char *value)
110 return json_new_string_ref(js, mp_strdup(js->pool, value));
113 struct json_node *json_new_array(struct json_context *js);
114 void json_array_append(struct json_node *array, struct json_node *elt);
116 struct json_node *json_new_object(struct json_context *js);
117 // FIXME: key must not be freed
118 void json_object_set(struct json_node *n, const char *key, struct json_node *value);
119 struct json_node *json_object_get(struct json_node *n, const char *key);
121 void json_set_input(struct json_context *js, struct fastbuf *in);
122 struct json_node *json_peek_token(struct json_context *js);
123 struct json_node *json_next_token(struct json_context *js);
125 struct json_node *json_next_value(struct json_context *js);
127 struct json_node *json_parse(struct json_context *js, struct fastbuf *fb);
129 void json_set_output(struct json_context *js, struct fastbuf *fb);
130 void json_write_value(struct json_context *js, struct json_node *n);
131 void json_write(struct json_context *js, struct fastbuf *fb, struct json_node *n);