diff options
Diffstat (limited to 'src/json/json.c')
-rw-r--r-- | src/json/json.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/json/json.c b/src/json/json.c deleted file mode 100644 index 6d11b4fdd..000000000 --- a/src/json/json.c +++ /dev/null | |||
@@ -1,149 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2014-2017, 2021 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @file json/json.c | ||
22 | * @brief functions to parse JSON snippets | ||
23 | * @author Florian Dold | ||
24 | * @author Benedikt Mueller | ||
25 | * @author Christian Grothoff | ||
26 | */ | ||
27 | #include "platform.h" | ||
28 | #include "gnunet_json_lib.h" | ||
29 | |||
30 | |||
31 | enum GNUNET_GenericReturnValue | ||
32 | GNUNET_JSON_parse (const json_t *root, | ||
33 | struct GNUNET_JSON_Specification *spec, | ||
34 | const char **error_json_name, | ||
35 | unsigned int *error_line) | ||
36 | { | ||
37 | if (NULL == root) | ||
38 | return GNUNET_SYSERR; | ||
39 | for (unsigned int i = 0; NULL != spec[i].parser; i++) | ||
40 | { | ||
41 | json_t *pos; | ||
42 | |||
43 | if (NULL == spec[i].field) | ||
44 | pos = (json_t *) root; | ||
45 | else | ||
46 | pos = json_object_get (root, | ||
47 | spec[i].field); | ||
48 | if ( ( (NULL == pos) || | ||
49 | (json_is_null (pos) ) ) && | ||
50 | (spec[i].is_optional) ) | ||
51 | continue; | ||
52 | if ( (NULL == pos) || | ||
53 | (GNUNET_OK != | ||
54 | spec[i].parser (spec[i].cls, | ||
55 | pos, | ||
56 | &spec[i])) ) | ||
57 | { | ||
58 | if (NULL != error_json_name) | ||
59 | *error_json_name = spec[i].field; | ||
60 | else | ||
61 | GNUNET_log (GNUNET_ERROR_TYPE_WARNING, | ||
62 | "Parsing failed for field `%s:%u`\n", | ||
63 | spec[i].field, | ||
64 | i); | ||
65 | if (NULL != error_line) | ||
66 | *error_line = i; | ||
67 | GNUNET_JSON_parse_free (spec); | ||
68 | return GNUNET_SYSERR; | ||
69 | } | ||
70 | } | ||
71 | return GNUNET_OK; /* all OK! */ | ||
72 | } | ||
73 | |||
74 | |||
75 | struct GNUNET_JSON_Specification | ||
76 | GNUNET_JSON_spec_mark_optional (struct GNUNET_JSON_Specification spec) | ||
77 | { | ||
78 | struct GNUNET_JSON_Specification ret = spec; | ||
79 | |||
80 | ret.is_optional = true; | ||
81 | return ret; | ||
82 | } | ||
83 | |||
84 | |||
85 | void | ||
86 | GNUNET_JSON_parse_free (struct GNUNET_JSON_Specification *spec) | ||
87 | { | ||
88 | for (unsigned int i = 0; NULL != spec[i].parser; i++) | ||
89 | if (NULL != spec[i].cleaner) | ||
90 | spec[i].cleaner (spec[i].cls, | ||
91 | &spec[i]); | ||
92 | } | ||
93 | |||
94 | |||
95 | /** | ||
96 | * Set an option with a JSON value from the command line. | ||
97 | * A pointer to this function should be passed as part of the | ||
98 | * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options | ||
99 | * of this type. | ||
100 | * | ||
101 | * @param ctx command line processing context | ||
102 | * @param scls additional closure (will point to the 'json_t *') | ||
103 | * @param option name of the option | ||
104 | * @param value actual value of the option as a string. | ||
105 | * @return #GNUNET_OK if parsing the value worked | ||
106 | */ | ||
107 | static int | ||
108 | set_json (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx, | ||
109 | void *scls, | ||
110 | const char *option, | ||
111 | const char *value) | ||
112 | { | ||
113 | json_t **json = scls; | ||
114 | json_error_t error; | ||
115 | |||
116 | *json = json_loads (value, JSON_REJECT_DUPLICATES, &error); | ||
117 | if (NULL == *json) | ||
118 | { | ||
119 | fprintf (stderr, | ||
120 | _ ("Failed to parse JSON in option `%s': %s (%s)\n"), | ||
121 | option, | ||
122 | error.text, | ||
123 | error.source); | ||
124 | return GNUNET_SYSERR; | ||
125 | } | ||
126 | return GNUNET_OK; | ||
127 | } | ||
128 | |||
129 | |||
130 | struct GNUNET_GETOPT_CommandLineOption | ||
131 | GNUNET_JSON_getopt (char shortName, | ||
132 | const char *name, | ||
133 | const char *argumentHelp, | ||
134 | const char *description, | ||
135 | json_t **json) | ||
136 | { | ||
137 | struct GNUNET_GETOPT_CommandLineOption clo = { .shortName = shortName, | ||
138 | .name = name, | ||
139 | .argumentHelp = argumentHelp, | ||
140 | .description = description, | ||
141 | .require_argument = 1, | ||
142 | .processor = &set_json, | ||
143 | .scls = (void *) json }; | ||
144 | |||
145 | return clo; | ||
146 | } | ||
147 | |||
148 | |||
149 | /* end of json.c */ | ||