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Amit Pundir1b297a92020-04-16 10:02:40 +05301/*
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
35enum {
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
46struct 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
59struct json_value *json_parse(const char *json);
60struct json_value *json_parse_file(const char *file);
61int json_count_children(struct json_value *array);
62struct json_value *json_get_child(struct json_value *object, const char *key);
63int json_get_number(struct json_value *object, const char *key, double *number);
64const char *json_get_string(struct json_value *object, const char *key);
65void json_free(struct json_value *value);
66
67#endif