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
19 #define json_array_append ucw_json_array_append
20 #define json_delete ucw_json_delete
21 #define json_new ucw_json_new
22 #define json_new_array ucw_json_new_array
23 #define json_new_node ucw_json_new_node
24 #define json_new_object ucw_json_new_object
25 #define json_next_token ucw_json_next_token
26 #define json_next_value ucw_json_next_value
27 #define json_object_get ucw_json_object_get
28 #define json_object_set ucw_json_object_set
29 #define json_parse ucw_json_parse
30 #define json_peek_token ucw_json_peek_token
31 #define json_reset ucw_json_reset
32 #define json_set_input ucw_json_set_input
33 #define json_set_output ucw_json_set_output
34 #define json_write ucw_json_write
35 #define json_write_value ucw_json_write_value
44 struct mempool_state init_state;
46 struct fastbuf *in_fb;
50 struct json_node *next_token;
51 struct json_node *trivial_token;
54 struct fastbuf *out_fb;
56 uint format_options; // Public
59 struct json_context *json_new(void);
60 void json_delete(struct json_context *js);
61 void json_reset(struct json_context *js);
71 // These are not real nodes, but raw tokens
82 enum json_node_type type;
87 struct json_node **elements; // Growing array
88 struct json_pair *pairs; // Growing array
94 struct json_node *value;
98 struct json_node *json_new_node(struct json_context *js, enum json_node_type type);
100 static inline struct json_node *json_new_null(struct json_context *js)
102 return json_new_node(js, JSON_NULL);
105 static inline struct json_node *json_new_bool(struct json_context *js, bool value)
107 struct json_node *n = json_new_node(js, JSON_BOOLEAN);
112 static inline struct json_node *json_new_number(struct json_context *js, double value)
114 struct json_node *n = json_new_node(js, JSON_NUMBER);
119 static inline struct json_node *json_new_string_ref(struct json_context *js, const char *value)
121 struct json_node *n = json_new_node(js, JSON_STRING);
126 static inline struct json_node *json_new_string(struct json_context *js, const char *value)
128 return json_new_string_ref(js, mp_strdup(js->pool, value));
131 struct json_node *json_new_array(struct json_context *js);
132 void json_array_append(struct json_node *array, struct json_node *elt);
134 struct json_node *json_new_object(struct json_context *js);
135 // FIXME: key must not be freed
136 void json_object_set(struct json_node *n, const char *key, struct json_node *value);
137 struct json_node *json_object_get(struct json_node *n, const char *key);
139 void json_set_input(struct json_context *js, struct fastbuf *in);
140 struct json_node *json_peek_token(struct json_context *js);
141 struct json_node *json_next_token(struct json_context *js);
143 struct json_node *json_next_value(struct json_context *js);
145 struct json_node *json_parse(struct json_context *js, struct fastbuf *fb);
147 void json_set_output(struct json_context *js, struct fastbuf *fb);
148 void json_write_value(struct json_context *js, struct json_node *n);
149 void json_write(struct json_context *js, struct fastbuf *fb, struct json_node *n);
151 enum json_format_option {
152 JSON_FORMAT_ESCAPE_NONASCII = 1,
153 JSON_FORMAT_INDENT = 2,