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Diffstat (limited to 'src/util/gnunet-qr.c')
-rw-r--r-- | src/util/gnunet-qr.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/util/gnunet-qr.c b/src/util/gnunet-qr.c new file mode 100644 index 000000000..c02212a51 --- /dev/null +++ b/src/util/gnunet-qr.c | |||
@@ -0,0 +1,160 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2013-2019 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 | #include <stdio.h> | ||
22 | #include <zbar.h> | ||
23 | #include <stdbool.h> | ||
24 | #include <getopt.h> | ||
25 | |||
26 | static const char *usage_note = | ||
27 | "gnunet-qr\n" | ||
28 | "Scan a QR code using a video device and import\n" | ||
29 | "\n" | ||
30 | "Arguments mandatory for long options are also mandatory for short options.\n" | ||
31 | " -c, --config FILENAME use configuration file FILENAME\n" | ||
32 | " -d, --device DEVICE use device DEVICE\n" | ||
33 | " -s, --silent do not show preview windows\n" | ||
34 | " -h, --help print this help\n" | ||
35 | " -v, --verbose be verbose\n" | ||
36 | "Report bugs to gnunet-developers@gnu.org.\n" | ||
37 | "\n" | ||
38 | "GNUnet home page: https://gnunet.org/\n" | ||
39 | "General help using GNU software: https://www.gnu.org/gethelp/\n"; | ||
40 | |||
41 | int main (int argc, char **argv) | ||
42 | { | ||
43 | const char* configuration = NULL; | ||
44 | const char* device = "/dev/video0"; | ||
45 | static bool verbose = false; | ||
46 | static bool silent = false; | ||
47 | |||
48 | static struct option long_options[] = { | ||
49 | {"verbose", no_argument, 0, 'v'}, | ||
50 | {"silent", no_argument, 0, 's'}, | ||
51 | {"help", no_argument, 0, 'h'}, | ||
52 | {"config", required_argument, 0, 'c'}, | ||
53 | {"device", required_argument, 0, 'd'}, | ||
54 | {0, 0, 0, 0} | ||
55 | }; | ||
56 | while (1) { | ||
57 | int opt; | ||
58 | opt = getopt_long (argc, argv, "c:hd:sv", | ||
59 | long_options, NULL); | ||
60 | if (opt == -1) | ||
61 | break; | ||
62 | |||
63 | switch (opt) { | ||
64 | case 'h': | ||
65 | printf(usage_note); | ||
66 | return 0; | ||
67 | case 'c': | ||
68 | configuration = optarg; | ||
69 | break; | ||
70 | case 'd': | ||
71 | device = optarg; | ||
72 | break; | ||
73 | case 's': | ||
74 | silent = true; | ||
75 | break; | ||
76 | case 'v': | ||
77 | verbose = true; | ||
78 | break; | ||
79 | default: | ||
80 | printf(usage_note); | ||
81 | return 1; | ||
82 | } | ||
83 | } | ||
84 | |||
85 | /* create a Processor */ | ||
86 | if (verbose == true) { | ||
87 | printf("Initializing\n"); | ||
88 | }; | ||
89 | zbar_processor_t *proc = zbar_processor_create(1); | ||
90 | |||
91 | // FIXME: Wrap all this into a function which returns an error on | ||
92 | // failure. And here ensure the processor is destroyed at the end. | ||
93 | |||
94 | /* configure the Processor */ | ||
95 | zbar_processor_parse_config(proc, "enable"); | ||
96 | |||
97 | /* initialize the Processor */ | ||
98 | if (verbose == true) { | ||
99 | printf("Opening video device %s\n", device); | ||
100 | }; | ||
101 | // FIXME: error handling | ||
102 | zbar_processor_init(proc, device, 1); | ||
103 | |||
104 | /* enable the preview window */ | ||
105 | zbar_processor_set_visible(proc, 1); | ||
106 | zbar_processor_set_active(proc, 1); | ||
107 | |||
108 | /* keep scanning until user provides key/mouse input */ | ||
109 | //zbar_processor_user_wait(proc, -1); | ||
110 | |||
111 | // read at least one barcode (or until window closed) | ||
112 | if (verbose == true) { | ||
113 | printf("Capturing\n"); | ||
114 | } | ||
115 | int n; | ||
116 | n = zbar_process_one(proc, -1); | ||
117 | if (verbose == true) { | ||
118 | printf("Got %i images\n", n); | ||
119 | }; | ||
120 | // FIXME: Error handling (n = -1) | ||
121 | |||
122 | // hide the preview window | ||
123 | zbar_processor_set_active(proc, 0); | ||
124 | zbar_processor_set_visible(proc, 0); | ||
125 | |||
126 | // extract results | ||
127 | int rc = 1; | ||
128 | |||
129 | const zbar_symbol_set_t* symbols = zbar_processor_get_results(proc); | ||
130 | const zbar_symbol_t* symbol = zbar_symbol_set_first_symbol(symbols); | ||
131 | |||
132 | if (symbol != NULL) { | ||
133 | const char* data = zbar_symbol_get_data(symbol); | ||
134 | if (verbose = true) { | ||
135 | zbar_symbol_type_t type = | ||
136 | printf("Found %s \"%s\"\n", | ||
137 | zbar_get_symbol_name(zbar_symbol_get_type(symbol)), data); | ||
138 | } | ||
139 | /* TODO | ||
140 | args = ["gnunet-uri", | ||
141 | // FIXME: "-c", configuration, | ||
142 | data]; | ||
143 | if (verbose = true) { | ||
144 | // TODO: print arguments: | ||
145 | printf("Running `%s %s %s %s`", *args, "", ""); // FIXME variable num args | ||
146 | }; | ||
147 | rc = popen("gnunet-uri", *args); | ||
148 | */ | ||
149 | if (rc != 0) { | ||
150 | printf("Failed to add URI %s\n", data); | ||
151 | } else { | ||
152 | printf("Added URI %s\n", data); | ||
153 | } | ||
154 | } | ||
155 | |||
156 | /* clean up */ | ||
157 | zbar_processor_destroy(proc); | ||
158 | |||
159 | return(rc); | ||
160 | } | ||