2b63b9b3623162f1ef4eeca9c40312fec5555b56
1 /*
2 * (c) 2004 by Kalle Wallin <kaw@linux.se>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
19 #include "conf.h"
20 #include "config.h"
21 #include "defaults.h"
22 #include "i18n.h"
23 #include "command.h"
24 #include "colors.h"
25 #include "screen_list.h"
27 #include <ctype.h>
28 #include <stdio.h>
29 #include <errno.h>
30 #include <stdlib.h>
31 #include <unistd.h>
32 #include <string.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <fcntl.h>
36 #include <glib.h>
38 #define MAX_LINE_LENGTH 1024
39 #define COMMENT_TOKEN '#'
41 /* configuration field names */
42 #define CONF_ENABLE_COLORS "enable-colors"
43 #define CONF_AUTO_CENTER "auto-center"
44 #define CONF_WIDE_CURSOR "wide-cursor"
45 #define CONF_ENABLE_BELL "enable-bell"
46 #define CONF_KEY_DEFINITION "key"
47 #define CONF_COLOR "color"
48 #define CONF_COLOR_DEFINITION "colordef"
49 #define CONF_LIST_FORMAT "list-format"
50 #define CONF_STATUS_FORMAT "status-format"
51 #define CONF_XTERM_TITLE_FORMAT "xterm-title-format"
52 #define CONF_LIST_WRAP "wrap-around"
53 #define CONF_FIND_WRAP "find-wrap"
54 #define CONF_FIND_SHOW_LAST "find-show-last"
55 #define CONF_AUDIBLE_BELL "audible-bell"
56 #define CONF_VISIBLE_BELL "visible-bell"
57 #define CONF_XTERM_TITLE "set-xterm-title"
58 #define CONF_ENABLE_MOUSE "enable-mouse"
59 #define CONF_CROSSFADE_TIME "crossfade-time"
60 #define CONF_SEARCH_MODE "search-mode"
61 #define CONF_HIDE_CURSOR "hide-cursor"
62 #define CONF_SEEK_TIME "seek-time"
63 #define CONF_SCREEN_LIST "screen-list"
64 #define CONF_TIMEDISPLAY_TYPE "timedisplay-type"
65 #define CONF_HOST "host"
66 #define CONF_PORT "port"
67 #define CONF_PASSWORD "password"
68 #define CONF_LYRICS_TIMEOUT "lyrics-timeout"
69 #define CONF_SHOW_SPLASH "show-splash"
70 #define CONF_SCROLL "scroll"
71 #define CONF_SCROLL_SEP "scroll-sep"
72 #define CONF_VISIBLE_BITRATE "visible-bitrate"
73 #define CONF_WELCOME_SCREEN_LIST "welcome-screen-list"
75 static bool
76 str2bool(char *str)
77 {
78 return strcasecmp(str, "yes") == 0 || strcasecmp(str, "true") == 0 ||
79 strcasecmp(str, "on") == 0 || strcasecmp(str, "1") == 0;
80 }
82 static void
83 print_error(const char *msg, const char *input)
84 {
85 fprintf(stderr, "%s: %s ('%s')\n",
86 /* To translators: prefix for error messages */
87 _("Error"), msg, input);
88 }
90 static int
91 parse_key_value(char *str, char **end)
92 {
93 if (*str == '\'') {
94 if (str[1] == '\'' || str[2] != '\'') {
95 print_error(_("Malformed hotkey definition"), str);
96 return -1;
97 }
99 *end = str + 3;
100 return str[1];
101 } else {
102 long value = strtol(str, end, 0);
103 if (*end == str) {
104 print_error(_("Malformed hotkey definition"), str);
105 return -1;
106 }
108 return (int)value;
109 }
110 }
112 static int
113 parse_key_definition(char *str)
114 {
115 char buf[MAX_LINE_LENGTH];
116 char *p;
117 size_t len = strlen(str), i;
118 int j,key;
119 int keys[MAX_COMMAND_KEYS];
120 command_t cmd;
122 /* get the command name */
123 i=0;
124 j=0;
125 memset(buf, 0, MAX_LINE_LENGTH);
126 while (i < len && str[i] != '=' && !g_ascii_isspace(str[i]))
127 buf[j++] = str[i++];
128 if( (cmd=get_key_command_from_name(buf)) == CMD_NONE ) {
129 /* the hotkey configuration contains an unknown
130 command */
131 print_error(_("Unknown command"), buf);
132 return -1;
133 }
135 /* skip whitespace */
136 while (i < len && (str[i] == '=' || g_ascii_isspace(str[i])))
137 i++;
139 /* get the value part */
140 memset(buf, 0, MAX_LINE_LENGTH);
141 g_strlcpy(buf, str+i, MAX_LINE_LENGTH);
142 if (*buf == 0) {
143 /* the hotkey configuration line is incomplete */
144 print_error(_("Incomplete hotkey configuration"), str);
145 return -1;
146 }
148 /* parse key values */
149 i = 0;
150 key = 0;
151 p = buf;
152 memset(keys, 0, sizeof(int)*MAX_COMMAND_KEYS);
153 while (i < MAX_COMMAND_KEYS && *p != 0 &&
154 (key = parse_key_value(p, &p)) >= 0) {
155 keys[i++] = key;
156 while (*p==',' || *p==' ' || *p=='\t')
157 p++;
158 }
160 if (key < 0)
161 return -1;
163 return assign_keys(cmd, keys);
164 }
166 static const char *
167 parse_timedisplay_type(const char *str)
168 {
169 if (!strcmp(str,"elapsed") || !strcmp(str,"remaining"))
170 return str;
171 else {
172 /* translators: ncmpc supports displaying the
173 "elapsed" or "remaining" time of a song being
174 played; in this case, the configuration file
175 contained an invalid setting */
176 print_error(_("Bad time display type"), str);
177 return DEFAULT_TIMEDISPLAY_TYPE;
178 }
179 }
181 #ifdef ENABLE_COLORS
182 static char *
183 separate_value(char *p)
184 {
185 char *value;
187 value = strchr(p, '=');
188 if (value == NULL) {
189 /* an equals sign '=' was expected while parsing a
190 configuration file line */
191 fprintf(stderr, "%s\n", _("Missing '='"));
192 return NULL;
193 }
195 *value++ = 0;
197 g_strchomp(p);
198 return g_strchug(value);
199 }
201 static int
202 parse_color(char *str)
203 {
204 char *value;
206 value = separate_value(str);
207 if (value == NULL)
208 return -1;
210 return colors_assign(str, value);
211 }
213 /**
214 * Returns the first non-whitespace character after the next comma
215 * character, or the end of the string. This is used to parse comma
216 * separated values.
217 */
218 static char *
219 after_comma(char *p)
220 {
221 char *comma = strchr(p, ',');
223 if (comma != NULL) {
224 *comma++ = 0;
225 comma = g_strchug(comma);
226 } else
227 comma = p + strlen(p);
229 g_strchomp(p);
230 return comma;
231 }
233 static int
234 parse_color_definition(char *str)
235 {
236 char buf[MAX_LINE_LENGTH];
237 char *value;
238 short color, rgb[3];
240 value = separate_value(str);
241 if (value == NULL)
242 return -1;
244 /* get the command name */
245 color = colors_str2color(str);
246 if (color < 0) {
247 print_error(_("Bad color name"), buf);
248 return -1;
249 }
251 /* parse r,g,b values */
253 for (unsigned i = 0; i < 3; ++i) {
254 char *next = after_comma(value), *endptr;
255 if (*value == 0) {
256 print_error(_("Incomplete color definition"), str);
257 return -1;
258 }
260 rgb[i] = strtol(value, &endptr, 0);
261 if (endptr == value || *endptr != 0) {
262 print_error(_("Invalid number"), value);
263 return -1;
264 }
266 value = next;
267 }
269 if (*value != 0) {
270 print_error(_("Malformed color definition"), str);
271 return -1;
272 }
274 return colors_define(str, rgb[0], rgb[1], rgb[2]);
275 }
276 #endif
278 static char *
279 get_format(char *str)
280 {
281 gsize len = strlen(str);
283 if (str && str[0]=='\"' && str[len-1] == '\"') {
284 str[len - 1] = '\0';
285 str++;
286 }
288 return g_strdup(str);
289 }
291 static char **
292 check_screen_list(char *value)
293 {
294 char **tmp = g_strsplit_set(value, " \t,", 100);
295 char **screen = NULL;
296 int i,j;
298 i=0;
299 j=0;
300 while( tmp && tmp[i] ) {
301 char *name = g_ascii_strdown(tmp[i], -1);
302 if (screen_lookup_name(name) == NULL) {
303 /* an unknown screen name was specified in the
304 configuration file */
305 print_error(_("Unknown screen name"), name);
306 free(name);
307 } else {
308 screen = g_realloc(screen, (j+2)*sizeof(char *));
309 screen[j++] = name;
310 screen[j] = NULL;
311 }
312 i++;
313 }
314 g_strfreev(tmp);
315 if( screen == NULL )
316 return g_strsplit_set(DEFAULT_SCREEN_LIST, " ", 0);
318 return screen;
319 }
321 static bool
322 parse_line(char *line)
323 {
324 size_t len = strlen(line), i = 0, j;
325 char name[MAX_LINE_LENGTH];
326 char value[MAX_LINE_LENGTH];
327 bool match_found;
329 /* get the name part */
330 j = 0;
331 while (i < len && line[i] != '=' &&
332 !g_ascii_isspace(line[i])) {
333 name[j++] = line[i++];
334 }
336 name[j] = '\0';
338 /* skip '=' and whitespace */
339 while (i < len && (line[i] == '=' || g_ascii_isspace(line[i])))
340 i++;
342 /* get the value part */
343 j = 0;
344 while (i < len)
345 value[j++] = line[i++];
346 value[j] = '\0';
348 match_found = true;
350 /* key definition */
351 if (!strcasecmp(CONF_KEY_DEFINITION, name))
352 parse_key_definition(value);
353 /* enable colors */
354 else if(!strcasecmp(CONF_ENABLE_COLORS, name))
355 #ifdef ENABLE_COLORS
356 options.enable_colors = str2bool(value);
357 #else
358 {}
359 #endif
360 /* auto center */
361 else if (!strcasecmp(CONF_AUTO_CENTER, name))
362 options.auto_center = str2bool(value);
363 /* color assignment */
364 else if (!strcasecmp(CONF_COLOR, name))
365 #ifdef ENABLE_COLORS
366 parse_color(value);
367 #else
368 {}
369 #endif
370 /* wide cursor */
371 else if (!strcasecmp(CONF_WIDE_CURSOR, name))
372 options.wide_cursor = str2bool(value);
373 /* welcome screen list */
374 else if (!strcasecmp(CONF_WELCOME_SCREEN_LIST, name))
375 options.welcome_screen_list = str2bool(value);
376 /* visible bitrate */
377 else if (!strcasecmp(CONF_VISIBLE_BITRATE, name))
378 options.visible_bitrate = str2bool(value);
379 /* timer display type */
380 else if (!strcasecmp(CONF_TIMEDISPLAY_TYPE, name)) {
381 g_free(options.timedisplay_type);
382 options.timedisplay_type=g_strdup(parse_timedisplay_type(value));
383 /* color definition */
384 } else if (!strcasecmp(CONF_COLOR_DEFINITION, name))
385 #ifdef ENABLE_COLORS
386 parse_color_definition(value);
387 #else
388 {}
389 #endif
390 /* list format string */
391 else if (!strcasecmp(CONF_LIST_FORMAT, name)) {
392 g_free(options.list_format);
393 options.list_format = get_format(value);
394 /* status format string */
395 } else if (!strcasecmp(CONF_STATUS_FORMAT, name)) {
396 g_free(options.status_format);
397 options.status_format = get_format(value);
398 /* xterm title format string */
399 } else if (!strcasecmp(CONF_XTERM_TITLE_FORMAT, name)) {
400 g_free(options.xterm_title_format);
401 options.xterm_title_format = get_format(value);
402 } else if (!strcasecmp(CONF_LIST_WRAP, name))
403 options.list_wrap = str2bool(value);
404 else if (!strcasecmp(CONF_FIND_WRAP, name))
405 options.find_wrap = str2bool(value);
406 else if (!strcasecmp(CONF_FIND_SHOW_LAST,name))
407 options.find_show_last_pattern = str2bool(value);
408 else if (!strcasecmp(CONF_AUDIBLE_BELL, name))
409 options.audible_bell = str2bool(value);
410 else if (!strcasecmp(CONF_VISIBLE_BELL, name))
411 options.visible_bell = str2bool(value);
412 else if (!strcasecmp(CONF_XTERM_TITLE, name))
413 options.enable_xterm_title = str2bool(value);
414 else if (!strcasecmp(CONF_ENABLE_MOUSE, name))
415 #ifdef HAVE_GETMOUSE
416 options.enable_mouse = str2bool(value);
417 #else
418 {}
419 #endif
420 else if (!strcasecmp(CONF_CROSSFADE_TIME, name))
421 options.crossfade_time = atoi(value);
422 else if (!strcasecmp(CONF_SEARCH_MODE, name))
423 options.search_mode = atoi(value);
424 else if (!strcasecmp(CONF_HIDE_CURSOR, name))
425 options.hide_cursor = atoi(value);
426 else if (!strcasecmp(CONF_SEEK_TIME, name))
427 options.seek_time = atoi(value);
428 else if (!strcasecmp(CONF_SCREEN_LIST, name)) {
429 g_strfreev(options.screen_list);
430 options.screen_list = check_screen_list(value);
431 } else if (!strcasecmp(CONF_SHOW_SPLASH, name)) {
432 /* the splash screen was removed */
433 } else if (!strcasecmp(CONF_HOST, name))
434 options.host = get_format(value);
435 else if (!strcasecmp(CONF_PORT, name))
436 options.port = atoi(get_format(value));
437 else if (!strcasecmp(CONF_PASSWORD, name))
438 options.password = get_format(value);
439 else if (!strcasecmp(CONF_LYRICS_TIMEOUT, name))
440 #ifdef ENABLE_LYRICS_SCREEN
441 options.lyrics_timeout = atoi(get_format(value));
442 #else
443 {}
444 #endif
445 else if (!strcasecmp(CONF_SCROLL, name))
446 options.scroll = str2bool(value);
447 else if (!strcasecmp(CONF_SCROLL_SEP, name)) {
448 g_free(options.scroll_sep);
449 options.scroll_sep = get_format(value);
450 } else
451 match_found = false;
453 if (!match_found)
454 print_error(_("Unknown configuration parameter"),
455 name);
457 return match_found;
458 }
460 static int
461 read_rc_file(char *filename)
462 {
463 FILE *file;
464 char line[MAX_LINE_LENGTH];
466 if (filename == NULL)
467 return -1;
469 file = fopen(filename, "r");
470 if (file == NULL) {
471 perror(filename);
472 return -1;
473 }
475 while (fgets(line, sizeof(line), file) != NULL) {
476 char *p = g_strchug(line);
478 if (*p != 0 && *p != COMMENT_TOKEN)
479 parse_line(g_strchomp(p));
480 }
482 fclose(file);
483 return 0;
484 }
486 int
487 check_user_conf_dir(void)
488 {
489 int retval;
490 char *directory = g_build_filename(g_get_home_dir(), "." PACKAGE, NULL);
492 if (g_file_test(directory, G_FILE_TEST_IS_DIR)) {
493 g_free(directory);
494 return 0;
495 }
497 retval = mkdir(directory, 0755);
498 g_free(directory);
499 return retval;
500 }
502 char *
503 get_user_key_binding_filename(void)
504 {
505 return g_build_filename(g_get_home_dir(), "." PACKAGE, "keys", NULL);
506 }
508 int
509 read_configuration(void)
510 {
511 char *filename = NULL;
513 /* check for command line configuration file */
514 if (options.config_file)
515 filename = g_strdup(options.config_file);
517 /* check for user configuration ~/.ncmpc/config */
518 if (filename == NULL) {
519 filename = g_build_filename(g_get_home_dir(),
520 "." PACKAGE, "config", NULL);
521 if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
522 g_free(filename);
523 filename = NULL;
524 }
525 }
527 /* check for global configuration SYSCONFDIR/ncmpc/config */
528 if (filename == NULL) {
529 filename = g_build_filename(SYSCONFDIR, PACKAGE, "config", NULL);
530 if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
531 g_free(filename);
532 filename = NULL;
533 }
534 }
536 /* load configuration */
537 if (filename) {
538 read_rc_file(filename);
539 g_free(filename);
540 filename = NULL;
541 }
543 /* check for command line key binding file */
544 if (options.key_file)
545 filename = g_strdup(options.key_file);
547 /* check for user key bindings ~/.ncmpc/keys */
548 if (filename == NULL) {
549 filename = get_user_key_binding_filename();
550 if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
551 g_free(filename);
552 filename = NULL;
553 }
554 }
556 /* check for global key bindings SYSCONFDIR/ncmpc/keys */
557 if (filename == NULL) {
558 filename = g_build_filename(SYSCONFDIR, PACKAGE, "keys", NULL);
559 if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
560 g_free(filename);
561 filename = NULL;
562 }
563 }
565 /* load key bindings */
566 if (filename) {
567 read_rc_file(filename);
568 g_free(filename);
569 filename = NULL;
570 }
572 return 0;
573 }