2 * This file is part of DisOrder.
3 * Copyright (C) 2004-2008 Richard Kettlewell
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 /** @file server/macros-disorder.c
19 * @brief DisOrder-specific expansions
22 #include "disorder-cgi.h"
24 /** @brief For error template */
25 const char *dcgi_error_string;
27 /** @brief For login template */
28 const char *dcgi_status_string;
30 /** @brief Return @p i as a string */
31 static const char *make_index(int i) {
34 byte_xasprintf(&s, "%d", i);
40 * Expands to the server's version string, or a (safe to use) error
41 * value if the server is unavailable or broken.
43 static int exp_server_version(int attribute((unused)) nargs,
44 char attribute((unused)) **args,
46 void attribute((unused)) *u) {
50 if(disorder_version(dcgi_client, (char **)&v))
51 v = "(cannot get version)";
53 v = "(server not running)";
54 return sink_writes(output, cgi_sgmlquote(v)) < 0 ? -1 : 0;
59 * Expands to the local version string.
61 static int exp_version(int attribute((unused)) nargs,
62 char attribute((unused)) **args,
64 void attribute((unused)) *u) {
65 return sink_writes(output,
66 cgi_sgmlquote(disorder_short_version_string)) < 0 ? -1 : 0;
71 * Expands to the base URL of the web interface.
73 static int exp_url(int attribute((unused)) nargs,
74 char attribute((unused)) **args,
76 void attribute((unused)) *u) {
77 return sink_writes(output,
78 cgi_sgmlquote(config->url)) < 0 ? -1 : 0;
83 * Expands to the UNQUOTED form of CGI argument NAME, or the empty string if
84 * there is no such argument. Use @argq for a quick way to quote the argument.
86 static int exp_arg(int attribute((unused)) nargs,
89 void attribute((unused)) *u) {
90 const char *s = cgi_get(args[0]);
93 return sink_writes(output, s) < 0 ? -1 : 0;
100 * Expands to the (quoted) form of CGI argument NAME, or the empty string if
101 * there is no such argument. Use @arg for the unquoted argument.
103 static int exp_argq(int attribute((unused)) nargs,
106 void attribute((unused)) *u) {
107 const char *s = cgi_get(args[0]);
110 return sink_writes(output, cgi_sgmlquote(s)) < 0 ? -1 : 0;
117 * Expands to the logged-in username (which might be "guest"), or to
118 * the empty string if not connected.
120 static int exp_user(int attribute((unused)) nargs,
121 char attribute((unused)) **args,
123 void attribute((unused)) *u) {
126 if(dcgi_client && (user = disorder_user(dcgi_client)))
127 return sink_writes(output, cgi_sgmlquote(user)) < 0 ? -1 : 0;
131 /*! @part{TRACK|ID}{PART}{CONTEXT}
133 * Expands to a track name part.
135 * A track may be identified by name or by queue ID.
137 * CONTEXT may be omitted. If it is then 'display' is assumed.
139 * If the CONTEXT is 'short' then the 'display' part is looked up, and the
140 * result truncated according to the length defined by the short_display
141 * configuration directive.
143 static int exp_part(int nargs,
146 void attribute((unused)) *u) {
147 const char *track = args[0], *part = args[1];
148 const char *context = nargs > 2 ? args[2] : "display";
151 if(track[0] != '/') {
152 struct queue_entry *q = dcgi_findtrack(track);
160 && !disorder_part(dcgi_client, (char **)&s,
162 !strcmp(context, "short") ? "display" : context,
164 if(!strcmp(context, "short"))
165 s = truncate_for_display(s, config->short_display);
166 return sink_writes(output, cgi_sgmlquote(s)) < 0 ? -1 : 0;
173 * SGML-quotes STRING. Note that most expansion results are already suitable
174 * quoted, so this expansion is usually not required.
176 static int exp_quote(int attribute((unused)) nargs,
179 void attribute((unused)) *u) {
180 return sink_writes(output, cgi_sgmlquote(args[0])) < 0 ? -1 : 0;
185 * Expands to the name of the submitter of track ID, which must be a playing
186 * track, in the queue, or in the recent list.
188 static int exp_who(int attribute((unused)) nargs,
191 void attribute((unused)) *u) {
192 struct queue_entry *q = dcgi_findtrack(args[0]);
194 if(q && q->submitter)
195 return sink_writes(output, cgi_sgmlquote(q->submitter)) < 0 ? -1 : 0;
201 * Expands to the time a track started or is expected to start. The track must
202 * be a playing track, in the queue, or in the recent list.
204 static int exp_when(int attribute((unused)) nargs,
207 void attribute((unused)) *u) {
208 struct queue_entry *q = dcgi_findtrack(args[0]);
209 const struct tm *w = 0;
213 case playing_isscratch:
214 case playing_unplayed:
217 w = localtime(&q->expected);
220 case playing_no_player:
222 case playing_scratched:
223 case playing_started:
225 case playing_quitting:
227 w = localtime(&q->played);
231 return sink_printf(output, "%d:%02d", w->tm_hour, w->tm_min) < 0 ? -1 : 0;
233 return sink_writes(output, " ") < 0 ? -1 : 0;
236 /*! @length{ID|TRACK}
238 * Expands to the length of a track, identified by its queue ID or its name.
239 * If it is the playing track (identified by ID) then the amount played so far
242 static int exp_length(int attribute((unused)) nargs,
245 void attribute((unused)) *u) {
246 struct queue_entry *q;
250 if(args[0][0] == '/')
251 /* Track identified by name */
254 /* Track identified by queue ID */
255 if(!(q = dcgi_findtrack(args[0])))
257 if(q->state == playing_started || q->state == playing_paused)
258 if(sink_printf(output, "%ld:%02ld/", q->sofar / 60, q->sofar % 60) < 0)
262 if(dcgi_client && !disorder_length(dcgi_client, name, &length))
263 return sink_printf(output, "%ld:%02ld",
264 length / 60, length % 60) < 0 ? -1 : 0;
265 return sink_writes(output, " ") < 0 ? -1 : 0;
270 * Expands to "true" if track ID is removable (or scratchable, if it is the
271 * playing track) and "false" otherwise.
273 static int exp_removable(int attribute((unused)) nargs,
276 void attribute((unused)) *u) {
277 struct queue_entry *q = dcgi_findtrack(args[0]);
278 /* TODO would be better to reject recent */
280 if(!q || !dcgi_client)
281 return mx_bool_result(output, 0);
282 dcgi_lookup(DCGI_RIGHTS);
283 return mx_bool_result(output,
284 (q == dcgi_playing ? right_scratchable : right_removable)
285 (dcgi_rights, disorder_user(dcgi_client), q));
288 /*! @movable{ID}{DIR}
290 * Expands to "true" if track ID is movable and "false" otherwise.
292 * DIR (which is optional) should be a non-zero integer. If it is negative
293 * then the intended move is down (later in the queue), if it is positive then
294 * the intended move is up (earlier in the queue). The first track is not
295 * movable up and the last track not movable down.
297 static int exp_movable(int nargs,
300 void attribute((unused)) *u) {
301 struct queue_entry *q = dcgi_findtrack(args[0]);
302 /* TODO would be better to recent playing/recent */
304 if(!q || !dcgi_client)
305 return mx_bool_result(output, 0);
307 const long dir = atoi(args[1]);
309 if(dir > 0 && q == dcgi_queue)
310 return mx_bool_result(output, 0);
311 if(dir < 0 && q->next == 0)
312 return mx_bool_result(output, 0);
314 dcgi_lookup(DCGI_RIGHTS);
315 return mx_bool_result(output,
316 right_movable(dcgi_rights,
317 disorder_user(dcgi_client),
321 /*! @playing{TEMPLATE}
323 * Expands to TEMPLATE, with the following expansions:
324 * - @id: the queue ID of the playing track
325 * - @track: the playing track's
328 * If no track is playing expands to nothing.
330 * TEMPLATE is optional. If it is left out then instead expands to the queue
331 * ID of the playing track.
333 static int exp_playing(int nargs,
334 const struct mx_node **args,
337 dcgi_lookup(DCGI_PLAYING);
341 return sink_writes(output, dcgi_playing->id) < 0 ? -1 : 0;
342 return mx_expand(mx_rewritel(args[0],
343 "id", dcgi_playing->id,
344 "track", dcgi_playing->track,
351 * For each track in the queue, expands TEMPLATE with the following expansions:
352 * - @id: the queue ID of the track
353 * - @track: the UNQUOTED track name
354 * - @index: the track number from 0
355 * - @parity: "even" or "odd" alternately
356 * - @first: "true" on the first track and "false" otherwise
357 * - @last: "true" on the last track and "false" otherwise
359 static int exp_queue(int attribute((unused)) nargs,
360 const struct mx_node **args,
363 struct queue_entry *q;
366 dcgi_lookup(DCGI_QUEUE);
367 for(q = dcgi_queue, i = 0; q; q = q->next, ++i)
368 if((rc = mx_expand(mx_rewritel(args[0],
371 "index", make_index(i),
372 "parity", i % 2 ? "odd" : "even",
373 "first", q == dcgi_queue ? "true" : "false",
374 "last", q->next ? "false" : "true",
381 /*! @recent{TEMPLATE}
383 * For each track in the recently played list, expands TEMPLATE with the
384 * following expansions:
385 * - @id: the queue ID of the track
386 * - @track: the UNQUOTED track name
387 * - @index: the track number from 0
388 * - @parity: "even" or "odd" alternately
389 * - @first: "true" on the first track and "false" otherwise
390 * - @last: "true" on the last track and "false" otherwise
392 static int exp_recent(int attribute((unused)) nargs,
393 const struct mx_node **args,
396 struct queue_entry *q;
399 dcgi_lookup(DCGI_RECENT);
400 for(q = dcgi_recent, i = 0; q; q = q->next, ++i)
401 if((rc = mx_expand(mx_rewritel(args[0],
404 "index", make_index(i),
405 "parity", i % 2 ? "odd" : "even",
406 "first", q == dcgi_recent ? "true" : "false",
407 "last", q->next ? "false" : "true",
416 * For each track in the newly added list, expands TEMPLATE wit the following
418 * - @track: the UNQUOTED track name
419 * - @index: the track number from 0
420 * - @parity: "even" or "odd" alternately
421 * - @first: "true" on the first track and "false" otherwise
422 * - @last: "true" on the last track and "false" otherwise
424 * Note that unlike @playing, @queue and @recent which are otherwise
425 * superficially similar, there is no @id sub-expansion here.
427 static int exp_new(int attribute((unused)) nargs,
428 const struct mx_node **args,
433 dcgi_lookup(DCGI_NEW);
434 /* TODO perhaps we should generate an ID value for tracks in the new list */
435 for(i = 0; i < dcgi_nnew; ++i)
436 if((rc = mx_expand(mx_rewritel(args[0],
437 "track", dcgi_new[i],
438 "index", make_index(i),
439 "parity", i % 2 ? "odd" : "even",
440 "first", i == 0 ? "true" : "false",
441 "last", i == dcgi_nnew - 1 ? "false" : "true",
450 * Expands to the volume in a given channel. CHANNEL must be "left" or
453 static int exp_volume(int attribute((unused)) nargs,
456 void attribute((unused)) *u) {
457 dcgi_lookup(DCGI_VOLUME);
458 return sink_printf(output, "%d",
459 !strcmp(args[0], "left")
460 ? dcgi_volume_left : dcgi_volume_right) < 0 ? -1 : 0;
465 * Expands to "true" if there is a playing track, otherwise "false".
467 static int exp_isplaying(int attribute((unused)) nargs,
468 char attribute((unused)) **args,
470 void attribute((unused)) *u) {
471 dcgi_lookup(DCGI_PLAYING);
472 return mx_bool_result(output, !!dcgi_playing);
477 * Expands to "true" if there the queue is nonempty, otherwise "false".
479 static int exp_isqueue(int attribute((unused)) nargs,
480 char attribute((unused)) **args,
482 void attribute((unused)) *u) {
483 dcgi_lookup(DCGI_QUEUE);
484 return mx_bool_result(output, !!dcgi_queue);
489 * Expands to "true" if there the recently played list is nonempty, otherwise
492 static int exp_isrecent(int attribute((unused)) nargs,
493 char attribute((unused)) **args,
495 void attribute((unused)) *u) {
496 dcgi_lookup(DCGI_RECENT);
497 return mx_bool_result(output, !!dcgi_recent);
502 * Expands to "true" if there the newly added track list is nonempty, otherwise
505 static int exp_isnew(int attribute((unused)) nargs,
506 char attribute((unused)) **args,
508 void attribute((unused)) *u) {
509 dcgi_lookup(DCGI_NEW);
510 return mx_bool_result(output, !!dcgi_nnew);
513 /*! @pref{TRACK}{KEY}
515 * Expands to a track preference.
517 static int exp_pref(int attribute((unused)) nargs,
520 void attribute((unused)) *u) {
523 if(dcgi_client && !disorder_get(dcgi_client, args[0], args[1], &value))
524 return sink_writes(output, cgi_sgmlquote(value)) < 0 ? -1 : 0;
528 /*! @prefs{TRACK}{TEMPLATE}
530 * For each track preference of track TRACK, expands TEMPLATE with the
531 * following expansions:
532 * - @name: the UNQUOTED preference name
533 * - @index: the preference number from 0
534 * - @value: the UNQUOTED preference value
535 * - @parity: "even" or "odd" alternately
536 * - @first: "true" on the first preference and "false" otherwise
537 * - @last: "true" on the last preference and "false" otherwise
539 * Use @quote to quote preference names and values where necessary; see below.
541 static int exp_prefs(int attribute((unused)) nargs,
542 const struct mx_node **args,
546 struct kvp *k, *head;
549 if((rc = mx_expandstr(args[0], &track, u, "argument #0 (TRACK)")))
551 if(!dcgi_client || disorder_prefs(dcgi_client, track, &head))
553 for(k = head, i = 0; k; k = k->next, ++i)
554 if((rc = mx_expand(mx_rewritel(args[1],
555 "index", make_index(i),
556 "parity", i % 2 ? "odd" : "even",
559 "first", k == head ? "true" : "false",
560 "last", k->next ? "false" : "true",
567 /*! @transform{TRACK}{TYPE}{CONTEXT}
569 * Transforms a track name (if TYPE is "track") or directory name (if type is
570 * "dir"). CONTEXT should be the context, if it is left out then "display" is
573 static int exp_transform(int nargs,
576 void attribute((unused)) *u) {
577 const char *t = trackname_transform(args[1], args[0],
578 (nargs > 2 ? args[2] : "display"));
579 return sink_writes(output, cgi_sgmlquote(t)) < 0 ? -1 : 0;
584 * Expands to "true" if playing is enabled, otherwise "false".
586 static int exp_enabled(int attribute((unused)) nargs,
587 char attribute((unused)) **args,
589 void attribute((unused)) *u) {
593 disorder_enabled(dcgi_client, &e);
594 return mx_bool_result(output, e);
599 * Expands to "true" if random play is enabled, otherwise "false".
601 static int exp_random_enabled(int attribute((unused)) nargs,
602 char attribute((unused)) **args,
604 void attribute((unused)) *u) {
608 disorder_random_enabled(dcgi_client, &e);
609 return mx_bool_result(output, e);
612 /*! @trackstate{TRACK}
614 * Expands to "playing" if TRACK is currently playing, or "queue" if it is in
615 * the queue, otherwise to nothing.
617 static int exp_trackstate(int attribute((unused)) nargs,
620 void attribute((unused)) *u) {
622 struct queue_entry *q;
626 if(disorder_resolve(dcgi_client, &track, args[0]))
628 dcgi_lookup(DCGI_PLAYING);
629 if(dcgi_playing && !strcmp(track, dcgi_playing->track))
630 return sink_writes(output, "playing") < 0 ? -1 : 0;
631 dcgi_lookup(DCGI_QUEUE);
632 for(q = dcgi_queue; q; q = q->next)
633 if(!strcmp(track, q->track))
634 return sink_writes(output, "queued") < 0 ? -1 : 0;
640 * Expands to an UNQUOTED URL which points back to the current page. (NB it
641 * might not be byte for byte identical - for instance, CGI arguments might be
644 static int exp_thisurl(int attribute((unused)) nargs,
645 char attribute((unused)) **args,
647 void attribute((unused)) *u) {
648 return sink_writes(output, cgi_thisurl(config->url)) < 0 ? -1 : 0;
653 * Expands to an UNQUOTED name for the TRACK that is not an alias, or to
654 * nothing if it is not a valid track.
656 static int exp_resolve(int attribute((unused)) nargs,
659 void attribute((unused)) *u) {
662 if(dcgi_client && !disorder_resolve(dcgi_client, &r, args[0]))
663 return sink_writes(output, r) < 0 ? -1 : 0;
669 * Expands to "true" if the playing track is paused, to "false" if it is
670 * playing (or if there is no playing track at all).
672 static int exp_paused(int attribute((unused)) nargs,
673 char attribute((unused)) **args,
675 void attribute((unused)) *u) {
676 dcgi_lookup(DCGI_PLAYING);
677 return mx_bool_result(output, (dcgi_playing
678 && dcgi_playing->state == playing_paused));
683 * Expands to the current state of track ID.
685 static int exp_state(int attribute((unused)) nargs,
688 void attribute((unused)) *u) {
689 struct queue_entry *q = dcgi_findtrack(args[0]);
692 return sink_writes(output, playing_states[q->state]) < 0 ? -1 : 0;
696 /*! @right{RIGHT}{WITH-RIGHT}{WITHOUT-RIGHT}@
698 * Expands to WITH-RIGHT if the current user has right RIGHT, otherwise to
699 * WITHOUT-RIGHT. The WITHOUT-RIGHT argument may be left out.
701 * If both WITH-RIGHT and WITHOUT-RIGHT are left out then expands to "true" if
702 * the user has the right and "false" otherwise.
704 * If there is no connection to the server then expands to nothing (in all
707 static int exp_right(int nargs,
708 const struct mx_node **args,
717 dcgi_lookup(DCGI_RIGHTS);
718 if((rc = mx_expandstr(args[0], &right, u, "argument #0 (RIGHT)")))
720 if(parse_rights(right, &r, 1/*report*/))
722 /* Single-argument form */
724 return mx_bool_result(output, !!(r & dcgi_rights));
725 /* Multiple argument form */
727 return mx_expand(args[1], output, u);
729 return mx_expand(args[2], output, u);
733 /*! @userinfo{PROPERTY}
735 * Expands to the named property of the current user.
737 static int exp_userinfo(int attribute((unused)) nargs,
740 void attribute((unused)) *u) {
744 && !disorder_userinfo(dcgi_client, disorder_user(dcgi_client),
746 return sink_writes(output, v) < 0 ? -1 : 0;
752 * Expands to the latest error string.
754 static int exp_error(int attribute((unused)) nargs,
755 char attribute((unused)) **args,
757 void attribute((unused)) *u) {
758 return sink_writes(output, dcgi_error_string ? dcgi_error_string : "")
764 * Expands to the latest status string.
766 static int exp_status(int attribute((unused)) nargs,
767 char attribute((unused)) **args,
769 void attribute((unused)) *u) {
770 return sink_writes(output, dcgi_status_string ? dcgi_status_string : "")
776 * Expands to the URL of the image called NAME.
778 * Firstly if there is a label called images.NAME then the image stem will be
779 * the value of that label. Otherwise the stem will be NAME.png.
781 * If the label url.static exists then it will give the base URL for images.
782 * Otherwise the base url will be /disorder/.
784 static int exp_image(int attribute((unused)) nargs,
787 void attribute((unused)) *u) {
788 const char *url, *stem;
791 /* Compute the stem */
792 byte_xasprintf(&labelname, "images.%s", args[0]);
793 if(option_label_exists(labelname))
794 stem = option_label(labelname);
796 byte_xasprintf((char **)&stem, "%s.png", args[0]);
797 /* If the stem looks like it's reasonalby complete, use that */
799 || !strncmp(stem, "http:", 5)
800 || !strncmp(stem, "https:", 6))
803 /* Compute the URL */
804 if(option_label_exists("url.static"))
805 byte_xasprintf((char **)&url, "%s/%s",
806 option_label("url.static"), stem);
808 /* Default base is /disorder */
809 byte_xasprintf((char **)&url, "/disorder/%s", stem);
811 return sink_writes(output, cgi_sgmlquote(url)) < 0 ? -1 : 0;
814 /** @brief Implementation of exp_tracks() and exp_dirs() */
815 static int exp__files_dirs(int nargs,
816 const struct mx_node **args,
820 int (*fn)(disorder_client *client,
825 char **tracks, *dir, *re;
827 const struct mx_node *m;
828 struct tracksort_data *tsd;
830 if((rc = mx_expandstr(args[0], &dir, u, "argument #0 (DIR)")))
833 if((rc = mx_expandstr(args[1], &re, u, "argument #1 (RE)")))
843 if(fn(dcgi_client, dir, re, &tracks, &ntracks))
845 /* Sort it. NB trackname_transform() does not go to the server. */
846 tsd = tracksort_init(ntracks, tracks, type);
847 /* Expand the subsiduary templates. We chuck in @sort and @display because
848 * it is particularly easy to do so. */
849 for(n = 0; n < ntracks; ++n)
850 if((rc = mx_expand(mx_rewritel(m,
851 "index", make_index(n),
852 "parity", n % 2 ? "odd" : "even",
853 "track", tsd[n].track,
854 "first", n == 0 ? "true" : "false",
855 "last", n + 1 == ntracks ? "false" : "true",
857 "display", tsd[n].display,
865 /*! @tracks{DIR}{RE}{TEMPLATE}
867 * For each track below DIR, expands TEMPLATE with the
868 * following expansions:
869 * - @track: the UNQUOTED track name
870 * - @index: the track number from 0
871 * - @parity: "even" or "odd" alternately
872 * - @first: "true" on the first track and "false" otherwise
873 * - @last: "true" on the last track and "false" otherwise
874 * - @sort: the sort key for this track
875 * - @display: the UNQUOTED display string for this track
877 * RE is optional and if present is the regexp to match against.
879 static int exp_tracks(int nargs,
880 const struct mx_node **args,
883 return exp__files_dirs(nargs, args, output, u, "track", disorder_files);
886 /*! @dirs{DIR}{RE}{TEMPLATE}
888 * For each directory below DIR, expands TEMPLATE with the
889 * following expansions:
890 * - @track: the UNQUOTED directory name
891 * - @index: the directory number from 0
892 * - @parity: "even" or "odd" alternately
893 * - @first: "true" on the first directory and "false" otherwise
894 * - @last: "true" on the last directory and "false" otherwise
895 * - @sort: the sort key for this directory
896 * - @display: the UNQUOTED display string for this directory
898 * RE is optional and if present is the regexp to match against.
900 static int exp_dirs(int nargs,
901 const struct mx_node **args,
904 return exp__files_dirs(nargs, args, output, u, "dir", disorder_directories);
907 static int exp__search_shim(disorder_client *c, const char *terms,
908 const char attribute((unused)) *re,
909 char ***vecp, int *nvecp) {
910 return disorder_search(c, terms, vecp, nvecp);
913 /*! @search{KEYWORDS}{TEMPLATE}
915 * For each track matching KEYWORDS, expands TEMPLATE with the
916 * following expansions:
917 * - @track: the UNQUOTED directory name
918 * - @index: the directory number from 0
919 * - @parity: "even" or "odd" alternately
920 * - @first: "true" on the first directory and "false" otherwise
921 * - @last: "true" on the last directory and "false" otherwise
922 * - @sort: the sort key for this track
923 * - @display: the UNQUOTED display string for this track
925 static int exp_search(int nargs,
926 const struct mx_node **args,
929 return exp__files_dirs(nargs, args, output, u, "track", exp__search_shim);
934 * Expands to label NAME from options.labels. Undefined lables expand to the
935 * last dot-separated component, e.g. X.Y.Z to Z.
937 static int exp_label(int attribute((unused)) nargs,
940 void attribute((unused)) *u) {
941 return sink_writes(output, option_label(args[0])) < 0 ? -1 : 0;
944 /*! @breadcrumbs{DIR}{TEMPLATE}
946 * Expands TEMPLATE for each directory in the path up to DIR, excluding the root
947 * but including DIR itself, with the following expansions:
948 * - @dir: the directory
949 * - @last: "true" if this is the last directory, otherwise "false"
951 * DIR must be an absolute path.
953 static int exp_breadcrumbs(int attribute((unused)) nargs,
954 const struct mx_node **args,
956 void attribute((unused)) *u) {
958 char *dir, *parent, *ptr;
960 if((rc = mx_expandstr(args[0], &dir, u, "argument #0 (DIR)")))
962 /* Reject relative paths */
964 error(0, "breadcrumbs: '%s' is a relative path", dir);
970 /* Find the end of this directory */
971 while(*ptr && *ptr != '/')
973 parent = xstrndup(dir, ptr - dir);
974 if((rc = mx_expand(mx_rewritel(args[1],
976 "last", *ptr ? "false" : "true",
986 /** @brief Register DisOrder-specific expansions */
987 void dcgi_expansions(void) {
988 mx_register("arg", 1, 1, exp_arg);
989 mx_register("argq", 1, 1, exp_argq);
990 mx_register("enabled", 0, 0, exp_enabled);
991 mx_register("error", 0, 0, exp_error);
992 mx_register("image", 1, 1, exp_image);
993 mx_register("isnew", 0, 0, exp_isnew);
994 mx_register("isplaying", 0, 0, exp_isplaying);
995 mx_register("isqueue", 0, 0, exp_isqueue);
996 mx_register("isrecent", 0, 0, exp_isrecent);
997 mx_register("label", 1, 1, exp_label);
998 mx_register("length", 1, 1, exp_length);
999 mx_register("movable", 1, 2, exp_movable);
1000 mx_register("part", 2, 3, exp_part);
1001 mx_register("paused", 0, 0, exp_paused);
1002 mx_register("pref", 2, 2, exp_pref);
1003 mx_register("quote", 1, 1, exp_quote);
1004 mx_register("random-enabled", 0, 0, exp_random_enabled);
1005 mx_register("removable", 1, 1, exp_removable);
1006 mx_register("resolve", 1, 1, exp_resolve);
1007 mx_register("server-version", 0, 0, exp_server_version);
1008 mx_register("state", 1, 1, exp_state);
1009 mx_register("status", 0, 0, exp_status);
1010 mx_register("thisurl", 0, 0, exp_thisurl);
1011 mx_register("trackstate", 1, 1, exp_trackstate);
1012 mx_register("transform", 2, 3, exp_transform);
1013 mx_register("url", 0, 0, exp_url);
1014 mx_register("user", 0, 0, exp_user);
1015 mx_register("userinfo", 1, 1, exp_userinfo);
1016 mx_register("version", 0, 0, exp_version);
1017 mx_register("volume", 1, 1, exp_volume);
1018 mx_register("when", 1, 1, exp_when);
1019 mx_register("who", 1, 1, exp_who);
1020 mx_register_magic("breadcrumbs", 2, 2, exp_breadcrumbs);
1021 mx_register_magic("dirs", 2, 3, exp_dirs);
1022 mx_register_magic("new", 1, 1, exp_new);
1023 mx_register_magic("playing", 0, 1, exp_playing);
1024 mx_register_magic("prefs", 2, 2, exp_prefs);
1025 mx_register_magic("queue", 1, 1, exp_queue);
1026 mx_register_magic("recent", 1, 1, exp_recent);
1027 mx_register_magic("right", 1, 3, exp_right);
1028 mx_register_magic("search", 2, 2, exp_search);
1029 mx_register_magic("tracks", 2, 3, exp_tracks);
1037 indent-tabs-mode:nil