1 /* 2 * Copyright (c) 2019, Linaro Ltd. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #ifndef __JSON_H__ 32 #define __JSON_H__ 33 34 35 enum { 36 JSON_TYPE_UNKNOWN, 37 JSON_TYPE_TRUE, 38 JSON_TYPE_FALSE, 39 JSON_TYPE_NULL, 40 JSON_TYPE_NUMBER, 41 JSON_TYPE_STRING, 42 JSON_TYPE_ARRAY, 43 JSON_TYPE_OBJECT, 44 }; 45 46 struct json_value { 47 const char *key; 48 49 int type; 50 union { 51 double number; 52 const char *string; 53 struct json_value *value; 54 } u; 55 56 struct json_value *next; 57 }; 58 59 struct json_value *json_parse(const char *json); 60 struct json_value *json_parse_file(const char *file); 61 int json_count_children(struct json_value *array); 62 struct json_value *json_get_child(struct json_value *object, const char *key); 63 int json_get_number(struct json_value *object, const char *key, double *number); 64 const char *json_get_string(struct json_value *object, const char *key); 65 void json_free(struct json_value *value); 66 67 #endif 68