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authorLibravatar Brian Ashworth <bosrsf04@gmail.com>2018-07-28 22:56:12 -0400
committerLibravatar Brian Ashworth <bosrsf04@gmail.com>2018-08-01 22:47:54 -0400
commit6124d0f9a202ba2f39125602a35bb47d3742022b (patch)
treefbc9b0fac38809907d51bdcc7b30367c623e7b55 /swaynag/config.c
parentDisable pango markup for extended message (diff)
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swaynag: split config into own file and fix optind
Diffstat (limited to 'swaynag/config.c')
-rw-r--r--swaynag/config.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/swaynag/config.c b/swaynag/config.c
new file mode 100644
index 00000000..4e7edf2e
--- /dev/null
+++ b/swaynag/config.c
@@ -0,0 +1,292 @@
1#define _XOPEN_SOURCE 700
2#define _POSIX_C_SOURCE 200112L
3#include <getopt.h>
4#include <stdlib.h>
5#include <wordexp.h>
6#include "log.h"
7#include "list.h"
8#include "readline.h"
9#include "swaynag/nagbar.h"
10#include "swaynag/types.h"
11#include "wlr-layer-shell-unstable-v1-client-protocol.h"
12
13static char *read_from_stdin() {
14 char *buffer = NULL;
15 while (!feof(stdin)) {
16 char *line = read_line(stdin);
17 if (!line) {
18 continue;
19 }
20
21 if (!buffer) {
22 buffer = strdup(line);
23 } else {
24 buffer = realloc(buffer, strlen(buffer) + strlen(line) + 2);
25 strcat(buffer, line);
26 strcat(buffer, "\n");
27 }
28
29 free(line);
30 }
31
32 if (buffer && buffer[strlen(buffer) - 1] == '\n') {
33 buffer[strlen(buffer) - 1] = '\0';
34 }
35
36 return buffer;
37}
38
39int nagbar_parse_options(int argc, char **argv, struct sway_nagbar *nagbar,
40 list_t *types, char **config, bool *debug) {
41 static struct option opts[] = {
42 {"button", required_argument, NULL, 'b'},
43 {"config", required_argument, NULL, 'c'},
44 {"debug", no_argument, NULL, 'd'},
45 {"edge", required_argument, NULL, 'e'},
46 {"font", required_argument, NULL, 'f'},
47 {"help", no_argument, NULL, 'h'},
48 {"detailed-message", no_argument, NULL, 'l'},
49 {"detailed-button", required_argument, NULL, 'L'},
50 {"message", required_argument, NULL, 'm'},
51 {"output", required_argument, NULL, 'o'},
52 {"dismiss-button", required_argument, NULL, 's'},
53 {"type", required_argument, NULL, 't'},
54 {"version", no_argument, NULL, 'v'},
55 {0, 0, 0, 0}
56 };
57
58 const char *usage =
59 "Usage: swaynag [options...]\n"
60 "\n"
61 " -b, --button <text> <action> Create a button with text that "
62 "executes action when pressed. Multiple buttons can be defined.\n"
63 " -c, --config <path> Path to config file.\n"
64 " -d, --debug Enable debugging.\n"
65 " -e, --edge top|bottom Set the edge to use.\n"
66 " -f, --font <font> Set the font to use.\n"
67 " -h, --help Show help message and quit.\n"
68 " -l, --detailed-message Read a detailed message from stdin.\n"
69 " -L, --detailed-button <text> Set the text of the detail button.\n"
70 " -m, --message <msg> Set the message text.\n"
71 " -o, --output <output> Set the output to use.\n"
72 " -s, --dismiss-button <text> Set the dismiss button text.\n"
73 " -t, --type <type> Set the message type.\n"
74 " -v, --version Show the version number and quit.\n";
75
76 optind = 1;
77 while (1) {
78 int c = getopt_long(argc, argv, "b:c:de:f:hlL:m:o:s:t:v", opts, NULL);
79 if (c == -1) {
80 break;
81 }
82 switch (c) {
83 case 'b': // Button
84 if (nagbar) {
85 if (optind >= argc) {
86 fprintf(stderr, "Missing action for button %s\n", optarg);
87 return EXIT_FAILURE;
88 }
89 struct sway_nagbar_button *button;
90 button = calloc(sizeof(struct sway_nagbar_button), 1);
91 button->text = strdup(optarg);
92 button->type = NAGBAR_ACTION_COMMAND;
93 button->action = strdup(argv[optind]);
94 list_add(nagbar->buttons, button);
95 }
96 optind++;
97 break;
98 case 'c': // Config
99 if (config) {
100 *config = strdup(optarg);
101 }
102 break;
103 case 'd': // Debug
104 if (debug) {
105 *debug = true;
106 }
107 break;
108 case 'e': // Edge
109 if (nagbar) {
110 if (strcmp(optarg, "top") == 0) {
111 nagbar->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
112 | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
113 | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
114 } else if (strcmp(optarg, "bottom") == 0) {
115 nagbar->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM
116 | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
117 | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
118 } else {
119 fprintf(stderr, "Invalid edge: %s\n", optarg);
120 return EXIT_FAILURE;
121 }
122 }
123 break;
124 case 'f': // Font
125 if (nagbar) {
126 free(nagbar->font);
127 nagbar->font = strdup(optarg);
128 }
129 break;
130 case 'l': // Detailed Message
131 if (nagbar) {
132 free(nagbar->details.message);
133 nagbar->details.message = read_from_stdin();
134 nagbar->details.button_up.text = strdup("▲");
135 nagbar->details.button_down.text = strdup("▼");
136 }
137 break;
138 case 'L': // Detailed Button Text
139 if (nagbar) {
140 free(nagbar->details.button_details.text);
141 nagbar->details.button_details.text = strdup(optarg);
142 }
143 break;
144 case 'm': // Message
145 if (nagbar) {
146 free(nagbar->message);
147 nagbar->message = strdup(optarg);
148 }
149 break;
150 case 'o': // Output
151 if (nagbar) {
152 free(nagbar->output.name);
153 nagbar->output.name = strdup(optarg);
154 }
155 break;
156 case 's': // Dismiss Button Text
157 if (nagbar) {
158 struct sway_nagbar_button *button_close;
159 button_close = nagbar->buttons->items[0];
160 free(button_close->text);
161 button_close->text = strdup(optarg);
162 }
163 break;
164 case 't': // Type
165 if (nagbar) {
166 nagbar->type = nagbar_type_get(types, optarg);
167 if (!nagbar->type) {
168 fprintf(stderr, "Unknown type %s\n", optarg);
169 return EXIT_FAILURE;
170 }
171 }
172 break;
173 case 'v': // Version
174 fprintf(stdout, "swaynag version " SWAY_VERSION "\n");
175 return -1;
176 default: // Help or unknown flag
177 fprintf(c == 'h' ? stdout : stderr, "%s", usage);
178 return -1;
179 }
180 }
181
182 return 0;
183}
184
185static bool file_exists(const char *path) {
186 return path && access(path, R_OK) != -1;
187}
188
189char *nagbar_get_config_path(void) {
190 static const char *config_paths[] = {
191 "$HOME/.swaynag/config",
192 "$XDG_CONFIG_HOME/swaynag/config",
193 SYSCONFDIR "/swaynag/config",
194 };
195
196 if (!getenv("XDG_CONFIG_HOME")) {
197 char *home = getenv("HOME");
198 char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
199 if (!config_home) {
200 wlr_log(WLR_ERROR, "Unable to allocate $HOME/.config");
201 } else {
202 strcpy(config_home, home);
203 strcat(config_home, "/.config");
204 setenv("XDG_CONFIG_HOME", config_home, 1);
205 wlr_log(WLR_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
206 free(config_home);
207 }
208 }
209
210 wordexp_t p;
211 char *path;
212 for (size_t i = 0; i < sizeof(config_paths) / sizeof(char *); ++i) {
213 if (wordexp(config_paths[i], &p, 0) == 0) {
214 path = strdup(p.we_wordv[0]);
215 wordfree(&p);
216 if (file_exists(path)) {
217 return path;
218 }
219 free(path);
220 }
221 }
222
223 return NULL;
224}
225
226int nagbar_load_config(char *path, struct sway_nagbar *nagbar, list_t *types) {
227 FILE *config = fopen(path, "r");
228 if (!config) {
229 fprintf(stderr, "Failed to read config. Running without it.\n");
230 return 0;
231 }
232 struct sway_nagbar_type *type = NULL;
233 char *line;
234 int line_number = 0;
235 while (!feof(config)) {
236 line = read_line(config);
237 if (!line) {
238 continue;
239 }
240
241 line_number++;
242 if (line[0] == '#') {
243 free(line);
244 continue;
245 }
246 if (strlen(line) == 0) {
247 free(line);
248 continue;
249 }
250
251 if (line[0] == '[') {
252 char *close = strchr(line, ']');
253 if (!close) {
254 free(line);
255 fclose(config);
256 fprintf(stderr, "Closing bracket not found on line %d\n",
257 line_number);
258 return 1;
259 }
260 char *name = calloc(1, close - line);
261 strncat(name, line + 1, close - line - 1);
262 type = nagbar_type_get(types, name);
263 if (!type) {
264 type = calloc(1, sizeof(struct sway_nagbar_type));
265 type->name = strdup(name);
266 list_add(types, type);
267 }
268 free(name);
269 } else {
270 char flag[strlen(line) + 3];
271 sprintf(flag, "--%s", line);
272 char *argv[] = {"swaynag", flag};
273 int result;
274 if (type) {
275 result = nagbar_parse_type(2, argv, type);
276 } else {
277 result = nagbar_parse_options(2, argv, nagbar, types,
278 NULL, NULL);
279 }
280 if (result != 0) {
281 free(line);
282 fclose(config);
283 return result;
284 }
285 }
286
287 free(line);
288 }
289 fclose(config);
290 return 0;
291}
292
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