/src/mosquitto/common/json_help.c
Line | Count | Source |
1 | | /* |
2 | | Copyright (c) 2020-2021 Roger Light <roger@atchoo.org> |
3 | | |
4 | | All rights reserved. This program and the accompanying materials |
5 | | are made available under the terms of the Eclipse Public License 2.0 |
6 | | and Eclipse Distribution License v1.0 which accompany this distribution. |
7 | | |
8 | | The Eclipse Public License is available at |
9 | | https://www.eclipse.org/legal/epl-2.0/ |
10 | | and the Eclipse Distribution License is available at |
11 | | http://www.eclipse.org/org/documents/edl-v10.php. |
12 | | |
13 | | SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
14 | | |
15 | | Contributors: |
16 | | Roger Light - initial implementation and documentation. |
17 | | */ |
18 | | |
19 | | #include "config.h" |
20 | | |
21 | | #include <cjson/cJSON.h> |
22 | | #include <stdbool.h> |
23 | | #include <stdlib.h> |
24 | | #include <stdio.h> |
25 | | |
26 | | #include "json_help.h" |
27 | | #include "mosquitto.h" |
28 | | |
29 | | |
30 | | int json_get_bool(cJSON *json, const char *name, bool *value, bool optional, bool default_value) |
31 | 118k | { |
32 | 118k | cJSON *jtmp; |
33 | | |
34 | 118k | if(optional == true){ |
35 | 61.8k | *value = default_value; |
36 | 61.8k | } |
37 | | |
38 | 118k | jtmp = cJSON_GetObjectItem(json, name); |
39 | 118k | if(jtmp){ |
40 | 1.74k | if(cJSON_IsBool(jtmp) == false){ |
41 | 308 | return MOSQ_ERR_INVAL; |
42 | 308 | } |
43 | 1.43k | *value = cJSON_IsTrue(jtmp); |
44 | 116k | }else{ |
45 | 116k | if(optional == false){ |
46 | 56.0k | return MOSQ_ERR_INVAL; |
47 | 56.0k | } |
48 | 116k | } |
49 | 62.3k | return MOSQ_ERR_SUCCESS; |
50 | 118k | } |
51 | | |
52 | | |
53 | | int json_get_int(cJSON *json, const char *name, int *value, bool optional, int default_value) |
54 | 139k | { |
55 | 139k | cJSON *jtmp; |
56 | | |
57 | 139k | if(optional == true){ |
58 | 139k | *value = default_value; |
59 | 139k | } |
60 | | |
61 | 139k | jtmp = cJSON_GetObjectItem(json, name); |
62 | 139k | if(jtmp){ |
63 | 4.60k | if(cJSON_IsNumber(jtmp) == false){ |
64 | 196 | return MOSQ_ERR_INVAL; |
65 | 196 | } |
66 | 4.41k | *value = jtmp->valueint; |
67 | 135k | }else{ |
68 | 135k | if(optional == false){ |
69 | 0 | return MOSQ_ERR_INVAL; |
70 | 0 | } |
71 | 135k | } |
72 | 139k | return MOSQ_ERR_SUCCESS; |
73 | 139k | } |
74 | | |
75 | | |
76 | | int json_get_int64(cJSON *json, const char *name, int64_t *value, bool optional, int64_t default_value) |
77 | 5.68k | { |
78 | 5.68k | cJSON *jtmp; |
79 | | |
80 | 5.68k | if(optional == true){ |
81 | 5.68k | *value = default_value; |
82 | 5.68k | } |
83 | | |
84 | 5.68k | jtmp = cJSON_GetObjectItem(json, name); |
85 | 5.68k | if(jtmp){ |
86 | 0 | if(cJSON_IsNumber(jtmp) == false){ |
87 | 0 | return MOSQ_ERR_INVAL; |
88 | 0 | } |
89 | 0 | *value = (int64_t)jtmp->valuedouble; |
90 | 5.68k | }else{ |
91 | 5.68k | if(optional == false){ |
92 | 0 | return MOSQ_ERR_INVAL; |
93 | 0 | } |
94 | 5.68k | } |
95 | 5.68k | return MOSQ_ERR_SUCCESS; |
96 | 5.68k | } |
97 | | |
98 | | |
99 | | int json_get_string(cJSON *json, const char *name, const char **value, bool optional) |
100 | 807k | { |
101 | 807k | cJSON *jtmp; |
102 | | |
103 | 807k | *value = NULL; |
104 | | |
105 | 807k | jtmp = cJSON_GetObjectItem(json, name); |
106 | 807k | if(jtmp){ |
107 | 411k | if(cJSON_IsString(jtmp) == false){ |
108 | 316 | return MOSQ_ERR_INVAL; |
109 | 316 | } |
110 | 410k | if(jtmp->valuestring){ |
111 | 410k | *value = jtmp->valuestring; |
112 | 410k | }else{ |
113 | 0 | *value = ""; |
114 | 0 | } |
115 | 410k | }else{ |
116 | 396k | if(optional == false){ |
117 | 396k | return MOSQ_ERR_INVAL; |
118 | 396k | } |
119 | 396k | } |
120 | 410k | return MOSQ_ERR_SUCCESS; |
121 | 807k | } |
122 | | |
123 | | |
124 | | cJSON *cJSON_AddIntToObject(cJSON * const object, const char * const name, long long number) |
125 | 0 | { |
126 | 0 | char buf[30]; |
127 | |
|
128 | 0 | snprintf(buf, sizeof(buf), "%lld", number); |
129 | 0 | return cJSON_AddRawToObject(object, name, buf); |
130 | 0 | } |
131 | | |
132 | | |
133 | | cJSON *cJSON_AddUIntToObject(cJSON * const object, const char * const name, unsigned long long number) |
134 | 0 | { |
135 | 0 | char buf[30]; |
136 | |
|
137 | 0 | snprintf(buf, sizeof(buf), "%llu", number); |
138 | 0 | return cJSON_AddRawToObject(object, name, buf); |
139 | 0 | } |