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      1 /*
      2  * JavaScript Object Notation (JSON) parser (RFC7159)
      3  * Copyright (c) 2017, Qualcomm Atheros, Inc.
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #ifndef JSON_H
     10 #define JSON_H
     11 
     12 struct json_token {
     13 	enum json_type {
     14 		JSON_VALUE,
     15 		JSON_OBJECT,
     16 		JSON_ARRAY,
     17 		JSON_STRING,
     18 		JSON_NUMBER,
     19 		JSON_BOOLEAN,
     20 		JSON_NULL,
     21 	} type;
     22 	enum json_parsing_state {
     23 		JSON_EMPTY,
     24 		JSON_STARTED,
     25 		JSON_WAITING_VALUE,
     26 		JSON_COMPLETED,
     27 	} state;
     28 	char *name;
     29 	char *string;
     30 	int number;
     31 	struct json_token *parent, *child, *sibling;
     32 };
     33 
     34 void json_escape_string(char *txt, size_t maxlen, const char *data, size_t len);
     35 struct json_token * json_parse(const char *data, size_t data_len);
     36 void json_free(struct json_token *json);
     37 struct json_token * json_get_member(struct json_token *json, const char *name);
     38 struct wpabuf * json_get_member_base64url(struct json_token *json,
     39 					  const char *name);
     40 void json_print_tree(struct json_token *root, char *buf, size_t buflen);
     41 
     42 #endif /* JSON_H */
     43