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_DOUBLE, 20 JSON_BOOLEAN, 21 JSON_NULL, 22 } type; 23 enum json_parsing_state { 24 JSON_EMPTY, 25 JSON_STARTED, 26 JSON_WAITING_VALUE, 27 JSON_COMPLETED, 28 } state; 29 char *name; 30 char *string; 31 int number; 32 double dnumber; 33 struct json_token *parent, *child, *sibling; 34 }; 35 36 void json_escape_string(char *txt, size_t maxlen, const char *data, size_t len); 37 struct json_token * json_parse(const char *data, size_t data_len); 38 void json_free(struct json_token *json); 39 struct json_token * json_get_member(struct json_token *json, const char *name); 40 struct wpabuf * json_get_member_base64url(struct json_token *json, 41 const char *name); 42 struct wpabuf * json_get_member_base64(struct json_token *json, 43 const char *name); 44 void json_print_tree(struct json_token *root, char *buf, size_t buflen); 45 void json_add_int(struct wpabuf *json, const char *name, int val); 46 void json_add_double(struct wpabuf *json, const char *name, double val); 47 void json_add_string(struct wpabuf *json, const char *name, const char *val); 48 int json_add_string_escape(struct wpabuf *json, const char *name, 49 const void *val, size_t len); 50 int json_add_base64url(struct wpabuf *json, const char *name, const void *val, 51 size_t len); 52 int json_add_base64(struct wpabuf *json, const char *name, const void *val, 53 size_t len); 54 void json_start_object(struct wpabuf *json, const char *name); 55 void json_end_object(struct wpabuf *json); 56 void json_start_array(struct wpabuf *json, const char *name); 57 void json_end_array(struct wpabuf *json); 58 void json_value_sep(struct wpabuf *json); 59 60 #endif /* JSON_H */ 61