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Do not crash if in buffer mode and the last buffer is deleted using the
[tmux.git] / format.c
blob0c3bd3ba867b2856fbeb727dde56e144ebb8c16b
1 /* $OpenBSD$ */
2
3 /*
4 * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <sys/types.h>
20 #include <sys/wait.h>
21
22 #include <ctype.h>
23 #include <errno.h>
24 #include <fnmatch.h>
25 #include <libgen.h>
26 #include <math.h>
27 #include <pwd.h>
28 #include <regex.h>
29 #include <stdarg.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <time.h>
33 #include <unistd.h>
34
35 #include "tmux.h"
36
37 /*
38 * Build a list of key-value pairs and use them to expand #{key} entries in a
39 * string.
40 */
41
42 struct format_expand_state;
43
44 static char *format_job_get(struct format_expand_state *, const char *);
45 static char *format_expand1(struct format_expand_state *, const char *);
46 static int format_replace(struct format_expand_state *, const char *,
47 size_t, char **, size_t *, size_t *);
48 static void format_defaults_session(struct format_tree *,
49 struct session *);
50 static void format_defaults_client(struct format_tree *, struct client *);
51 static void format_defaults_winlink(struct format_tree *,
52 struct winlink *);
53
54 /* Entry in format job tree. */
55 struct format_job {
56 struct client *client;
57 u_int tag;
58 const char *cmd;
59 const char *expanded;
60
61 time_t last;
62 char *out;
63 int updated;
64
65 struct job *job;
66 int status;
67
68 RB_ENTRY(format_job) entry;
69 };
70
71 /* Format job tree. */
72 static int format_job_cmp(struct format_job *, struct format_job *);
73 static RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
74 RB_GENERATE_STATIC(format_job_tree, format_job, entry, format_job_cmp);
75
76 /* Format job tree comparison function. */
77 static int
78 format_job_cmp(struct format_job *fj1, struct format_job *fj2)
79 {
80 if (fj1->tag < fj2->tag)
81 return (-1);
82 if (fj1->tag > fj2->tag)
83 return (1);
84 return (strcmp(fj1->cmd, fj2->cmd));
85 }
86
87 /* Format modifiers. */
88 #define FORMAT_TIMESTRING 0x1
89 #define FORMAT_BASENAME 0x2
90 #define FORMAT_DIRNAME 0x4
91 #define FORMAT_QUOTE_SHELL 0x8
92 #define FORMAT_LITERAL 0x10
93 #define FORMAT_EXPAND 0x20
94 #define FORMAT_EXPANDTIME 0x40
95 #define FORMAT_SESSIONS 0x80
96 #define FORMAT_WINDOWS 0x100
97 #define FORMAT_PANES 0x200
98 #define FORMAT_PRETTY 0x400
99 #define FORMAT_LENGTH 0x800
100 #define FORMAT_WIDTH 0x1000
101 #define FORMAT_QUOTE_STYLE 0x2000
102 #define FORMAT_WINDOW_NAME 0x4000
103 #define FORMAT_SESSION_NAME 0x8000
104 #define FORMAT_CHARACTER 0x10000
105 #define FORMAT_COLOUR 0x20000
106 #define FORMAT_CLIENTS 0x40000
107
108 /* Limit on recursion. */
109 #define FORMAT_LOOP_LIMIT 100
110
111 /* Format expand flags. */
112 #define FORMAT_EXPAND_TIME 0x1
113 #define FORMAT_EXPAND_NOJOBS 0x2
114
115 /* Entry in format tree. */
116 struct format_entry {
117 char *key;
118 char *value;
119 time_t time;
120 format_cb cb;
121 RB_ENTRY(format_entry) entry;
122 };
123
124 /* Format type. */
125 enum format_type {
126 FORMAT_TYPE_UNKNOWN,
127 FORMAT_TYPE_SESSION,
128 FORMAT_TYPE_WINDOW,
129 FORMAT_TYPE_PANE
130 };
131
132 struct format_tree {
133 enum format_type type;
134
135 struct client *c;
136 struct session *s;
137 struct winlink *wl;
138 struct window *w;
139 struct window_pane *wp;
140 struct paste_buffer *pb;
141
142 struct cmdq_item *item;
143 struct client *client;
144 int flags;
145 u_int tag;
146
147 struct mouse_event m;
148
149 RB_HEAD(format_entry_tree, format_entry) tree;
150 };
151 static int format_entry_cmp(struct format_entry *, struct format_entry *);
152 RB_GENERATE_STATIC(format_entry_tree, format_entry, entry, format_entry_cmp);
153
154 /* Format expand state. */
155 struct format_expand_state {
156 struct format_tree *ft;
157 u_int loop;
158 time_t time;
159 struct tm tm;
160 int flags;
161 };
162
163 /* Format modifier. */
164 struct format_modifier {
165 char modifier[3];
166 u_int size;
167
168 char **argv;
169 int argc;
170 };
171
172 /* Format entry tree comparison function. */
173 static int
174 format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
175 {
176 return (strcmp(fe1->key, fe2->key));
177 }
178
179 /* Single-character uppercase aliases. */
180 static const char *format_upper[] = {
181 NULL, /* A */
182 NULL, /* B */
183 NULL, /* C */
184 "pane_id", /* D */
185 NULL, /* E */
186 "window_flags", /* F */
187 NULL, /* G */
188 "host", /* H */
189 "window_index", /* I */
190 NULL, /* J */
191 NULL, /* K */
192 NULL, /* L */
193 NULL, /* M */
194 NULL, /* N */
195 NULL, /* O */
196 "pane_index", /* P */
197 NULL, /* Q */
198 NULL, /* R */
199 "session_name", /* S */
200 "pane_title", /* T */
201 NULL, /* U */
202 NULL, /* V */
203 "window_name", /* W */
204 NULL, /* X */
205 NULL, /* Y */
206 NULL /* Z */
207 };
208
209 /* Single-character lowercase aliases. */
210 static const char *format_lower[] = {
211 NULL, /* a */
212 NULL, /* b */
213 NULL, /* c */
214 NULL, /* d */
215 NULL, /* e */
216 NULL, /* f */
217 NULL, /* g */
218 "host_short", /* h */
219 NULL, /* i */
220 NULL, /* j */
221 NULL, /* k */
222 NULL, /* l */
223 NULL, /* m */
224 NULL, /* n */
225 NULL, /* o */
226 NULL, /* p */
227 NULL, /* q */
228 NULL, /* r */
229 NULL, /* s */
230 NULL, /* t */
231 NULL, /* u */
232 NULL, /* v */
233 NULL, /* w */
234 NULL, /* x */
235 NULL, /* y */
236 NULL /* z */
237 };
238
239 /* Is logging enabled? */
240 static inline int
241 format_logging(struct format_tree *ft)
242 {
243 return (log_get_level() != 0 || (ft->flags & FORMAT_VERBOSE));
244 }
245
246 /* Log a message if verbose. */
247 static void printflike(3, 4)
248 format_log1(struct format_expand_state *es, const char *from, const char *fmt,
249 ...)
250 {
251 struct format_tree *ft = es->ft;
252 va_list ap;
253 char *s;
254 static const char spaces[] = " ";
255
256 if (!format_logging(ft))
257 return;
258
259 va_start(ap, fmt);
260 xvasprintf(&s, fmt, ap);
261 va_end(ap);
262
263 log_debug("%s: %s", from, s);
264 if (ft->item != NULL && (ft->flags & FORMAT_VERBOSE))
265 cmdq_print(ft->item, "#%.*s%s", es->loop, spaces, s);
266
267 free(s);
268 }
269 #define format_log(es, fmt, ...) format_log1(es, __func__, fmt, ##__VA_ARGS__)
270
271 /* Copy expand state. */
272 static void
273 format_copy_state(struct format_expand_state *to,
274 struct format_expand_state *from, int flags)
275 {
276 to->ft = from->ft;
277 to->loop = from->loop;
278 to->time = from->time;
279 memcpy(&to->tm, &from->tm, sizeof to->tm);
280 to->flags = from->flags|flags;
281 }
282
283 /* Format job update callback. */
284 static void
285 format_job_update(struct job *job)
286 {
287 struct format_job *fj = job_get_data(job);
288 struct evbuffer *evb = job_get_event(job)->input;
289 char *line = NULL, *next;
290 time_t t;
291
292 while ((next = evbuffer_readline(evb)) != NULL) {
293 free(line);
294 line = next;
295 }
296 if (line == NULL)
297 return;
298 fj->updated = 1;
299
300 free(fj->out);
301 fj->out = line;
302
303 log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, fj->out);
304
305 t = time(NULL);
306 if (fj->status && fj->last != t) {
307 if (fj->client != NULL)
308 server_status_client(fj->client);
309 fj->last = t;
310 }
311 }
312
313 /* Format job complete callback. */
314 static void
315 format_job_complete(struct job *job)
316 {
317 struct format_job *fj = job_get_data(job);
318 struct evbuffer *evb = job_get_event(job)->input;
319 char *line, *buf;
320 size_t len;
321
322 fj->job = NULL;
323
324 buf = NULL;
325 if ((line = evbuffer_readline(evb)) == NULL) {
326 len = EVBUFFER_LENGTH(evb);
327 buf = xmalloc(len + 1);
328 if (len != 0)
329 memcpy(buf, EVBUFFER_DATA(evb), len);
330 buf[len] = '\0';
331 } else
332 buf = line;
333
334 log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, buf);
335
336 if (*buf != '\0' || !fj->updated) {
337 free(fj->out);
338 fj->out = buf;
339 } else
340 free(buf);
341
342 if (fj->status) {
343 if (fj->client != NULL)
344 server_status_client(fj->client);
345 fj->status = 0;
346 }
347 }
348
349 /* Find a job. */
350 static char *
351 format_job_get(struct format_expand_state *es, const char *cmd)
352 {
353 struct format_tree *ft = es->ft;
354 struct format_job_tree *jobs;
355 struct format_job fj0, *fj;
356 time_t t;
357 char *expanded;
358 int force;
359 struct format_expand_state next;
360
361 if (ft->client == NULL)
362 jobs = &format_jobs;
363 else if (ft->client->jobs != NULL)
364 jobs = ft->client->jobs;
365 else {
366 jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
367 RB_INIT(jobs);
368 }
369
370 fj0.tag = ft->tag;
371 fj0.cmd = cmd;
372 if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
373 fj = xcalloc(1, sizeof *fj);
374 fj->client = ft->client;
375 fj->tag = ft->tag;
376 fj->cmd = xstrdup(cmd);
377
378 RB_INSERT(format_job_tree, jobs, fj);
379 }
380
381 format_copy_state(&next, es, FORMAT_EXPAND_NOJOBS);
382 next.flags &= ~FORMAT_EXPAND_TIME;
383
384 expanded = format_expand1(&next, cmd);
385 if (fj->expanded == NULL || strcmp(expanded, fj->expanded) != 0) {
386 free((void *)fj->expanded);
387 fj->expanded = xstrdup(expanded);
388 force = 1;
389 } else
390 force = (ft->flags & FORMAT_FORCE);
391
392 t = time(NULL);
393 if (force && fj->job != NULL)
394 job_free(fj->job);
395 if (force || (fj->job == NULL && fj->last != t)) {
396 fj->job = job_run(expanded, 0, NULL, NULL, NULL,
397 server_client_get_cwd(ft->client, NULL), format_job_update,
398 format_job_complete, NULL, fj, JOB_NOWAIT, -1, -1);
399 if (fj->job == NULL) {
400 free(fj->out);
401 xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
402 }
403 fj->last = t;
404 fj->updated = 0;
405 } else if (fj->job != NULL && (t - fj->last) > 1 && fj->out == NULL)
406 xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
407 free(expanded);
408
409 if (ft->flags & FORMAT_STATUS)
410 fj->status = 1;
411 if (fj->out == NULL)
412 return (xstrdup(""));
413 return (format_expand1(&next, fj->out));
414 }
415
416 /* Remove old jobs. */
417 static void
418 format_job_tidy(struct format_job_tree *jobs, int force)
419 {
420 struct format_job *fj, *fj1;
421 time_t now;
422
423 now = time(NULL);
424 RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
425 if (!force && (fj->last > now || now - fj->last < 3600))
426 continue;
427 RB_REMOVE(format_job_tree, jobs, fj);
428
429 log_debug("%s: %s", __func__, fj->cmd);
430
431 if (fj->job != NULL)
432 job_free(fj->job);
433
434 free((void *)fj->expanded);
435 free((void *)fj->cmd);
436 free(fj->out);
437
438 free(fj);
439 }
440 }
441
442 /* Tidy old jobs for all clients. */
443 void
444 format_tidy_jobs(void)
445 {
446 struct client *c;
447
448 format_job_tidy(&format_jobs, 0);
449 TAILQ_FOREACH(c, &clients, entry) {
450 if (c->jobs != NULL)
451 format_job_tidy(c->jobs, 0);
452 }
453 }
454
455 /* Remove old jobs for client. */
456 void
457 format_lost_client(struct client *c)
458 {
459 if (c->jobs != NULL)
460 format_job_tidy(c->jobs, 1);
461 free(c->jobs);
462 }
463
464 /* Wrapper for asprintf. */
465 static char * printflike(1, 2)
466 format_printf(const char *fmt, ...)
467 {
468 va_list ap;
469 char *s;
470
471 va_start(ap, fmt);
472 xvasprintf(&s, fmt, ap);
473 va_end(ap);
474 return (s);
475 }
476
477 /* Callback for host. */
478 static void *
479 format_cb_host(__unused struct format_tree *ft)
480 {
481 char host[HOST_NAME_MAX + 1];
482
483 if (gethostname(host, sizeof host) != 0)
484 return (xstrdup(""));
485 return (xstrdup(host));
486 }
487
488 /* Callback for host_short. */
489 static void *
490 format_cb_host_short(__unused struct format_tree *ft)
491 {
492 char host[HOST_NAME_MAX + 1], *cp;
493
494 if (gethostname(host, sizeof host) != 0)
495 return (xstrdup(""));
496 if ((cp = strchr(host, '.')) != NULL)
497 *cp = '\0';
498 return (xstrdup(host));
499 }
500
501 /* Callback for pid. */
502 static void *
503 format_cb_pid(__unused struct format_tree *ft)
504 {
505 char *value;
506
507 xasprintf(&value, "%ld", (long)getpid());
508 return (value);
509 }
510
511 /* Callback for session_attached_list. */
512 static void *
513 format_cb_session_attached_list(struct format_tree *ft)
514 {
515 struct session *s = ft->s;
516 struct client *loop;
517 struct evbuffer *buffer;
518 int size;
519 char *value = NULL;
520
521 if (s == NULL)
522 return (NULL);
523
524 buffer = evbuffer_new();
525 if (buffer == NULL)
526 fatalx("out of memory");
527
528 TAILQ_FOREACH(loop, &clients, entry) {
529 if (loop->session == s) {
530 if (EVBUFFER_LENGTH(buffer) > 0)
531 evbuffer_add(buffer, ",", 1);
532 evbuffer_add_printf(buffer, "%s", loop->name);
533 }
534 }
535
536 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
537 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
538 evbuffer_free(buffer);
539 return (value);
540 }
541
542 /* Callback for session_alerts. */
543 static void *
544 format_cb_session_alerts(struct format_tree *ft)
545 {
546 struct session *s = ft->s;
547 struct winlink *wl;
548 char alerts[1024], tmp[16];
549
550 if (s == NULL)
551 return (NULL);
552
553 *alerts = '\0';
554 RB_FOREACH(wl, winlinks, &s->windows) {
555 if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
556 continue;
557 xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
558
559 if (*alerts != '\0')
560 strlcat(alerts, ",", sizeof alerts);
561 strlcat(alerts, tmp, sizeof alerts);
562 if (wl->flags & WINLINK_ACTIVITY)
563 strlcat(alerts, "#", sizeof alerts);
564 if (wl->flags & WINLINK_BELL)
565 strlcat(alerts, "!", sizeof alerts);
566 if (wl->flags & WINLINK_SILENCE)
567 strlcat(alerts, "~", sizeof alerts);
568 }
569 return (xstrdup(alerts));
570 }
571
572 /* Callback for session_stack. */
573 static void *
574 format_cb_session_stack(struct format_tree *ft)
575 {
576 struct session *s = ft->s;
577 struct winlink *wl;
578 char result[1024], tmp[16];
579
580 if (s == NULL)
581 return (NULL);
582
583 xsnprintf(result, sizeof result, "%u", s->curw->idx);
584 TAILQ_FOREACH(wl, &s->lastw, sentry) {
585 xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
586
587 if (*result != '\0')
588 strlcat(result, ",", sizeof result);
589 strlcat(result, tmp, sizeof result);
590 }
591 return (xstrdup(result));
592 }
593
594 /* Callback for window_stack_index. */
595 static void *
596 format_cb_window_stack_index(struct format_tree *ft)
597 {
598 struct session *s;
599 struct winlink *wl;
600 u_int idx;
601 char *value = NULL;
602
603 if (ft->wl == NULL)
604 return (NULL);
605 s = ft->wl->session;
606
607 idx = 0;
608 TAILQ_FOREACH(wl, &s->lastw, sentry) {
609 idx++;
610 if (wl == ft->wl)
611 break;
612 }
613 if (wl == NULL)
614 return (xstrdup("0"));
615 xasprintf(&value, "%u", idx);
616 return (value);
617 }
618
619 /* Callback for window_linked_sessions_list. */
620 static void *
621 format_cb_window_linked_sessions_list(struct format_tree *ft)
622 {
623 struct window *w;
624 struct winlink *wl;
625 struct evbuffer *buffer;
626 int size;
627 char *value = NULL;
628
629 if (ft->wl == NULL)
630 return (NULL);
631 w = ft->wl->window;
632
633 buffer = evbuffer_new();
634 if (buffer == NULL)
635 fatalx("out of memory");
636
637 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
638 if (EVBUFFER_LENGTH(buffer) > 0)
639 evbuffer_add(buffer, ",", 1);
640 evbuffer_add_printf(buffer, "%s", wl->session->name);
641 }
642
643 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
644 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
645 evbuffer_free(buffer);
646 return (value);
647 }
648
649 /* Callback for window_active_sessions. */
650 static void *
651 format_cb_window_active_sessions(struct format_tree *ft)
652 {
653 struct window *w;
654 struct winlink *wl;
655 u_int n = 0;
656 char *value;
657
658 if (ft->wl == NULL)
659 return (NULL);
660 w = ft->wl->window;
661
662 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
663 if (wl->session->curw == wl)
664 n++;
665 }
666
667 xasprintf(&value, "%u", n);
668 return (value);
669 }
670
671 /* Callback for window_active_sessions_list. */
672 static void *
673 format_cb_window_active_sessions_list(struct format_tree *ft)
674 {
675 struct window *w;
676 struct winlink *wl;
677 struct evbuffer *buffer;
678 int size;
679 char *value = NULL;
680
681 if (ft->wl == NULL)
682 return (NULL);
683 w = ft->wl->window;
684
685 buffer = evbuffer_new();
686 if (buffer == NULL)
687 fatalx("out of memory");
688
689 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
690 if (wl->session->curw == wl) {
691 if (EVBUFFER_LENGTH(buffer) > 0)
692 evbuffer_add(buffer, ",", 1);
693 evbuffer_add_printf(buffer, "%s", wl->session->name);
694 }
695 }
696
697 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
698 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
699 evbuffer_free(buffer);
700 return (value);
701 }
702
703 /* Callback for window_active_clients. */
704 static void *
705 format_cb_window_active_clients(struct format_tree *ft)
706 {
707 struct window *w;
708 struct client *loop;
709 struct session *client_session;
710 u_int n = 0;
711 char *value;
712
713 if (ft->wl == NULL)
714 return (NULL);
715 w = ft->wl->window;
716
717 TAILQ_FOREACH(loop, &clients, entry) {
718 client_session = loop->session;
719 if (client_session == NULL)
720 continue;
721
722 if (w == client_session->curw->window)
723 n++;
724 }
725
726 xasprintf(&value, "%u", n);
727 return (value);
728 }
729
730 /* Callback for window_active_clients_list. */
731 static void *
732 format_cb_window_active_clients_list(struct format_tree *ft)
733 {
734 struct window *w;
735 struct client *loop;
736 struct session *client_session;
737 struct evbuffer *buffer;
738 int size;
739 char *value = NULL;
740
741 if (ft->wl == NULL)
742 return (NULL);
743 w = ft->wl->window;
744
745 buffer = evbuffer_new();
746 if (buffer == NULL)
747 fatalx("out of memory");
748
749 TAILQ_FOREACH(loop, &clients, entry) {
750 client_session = loop->session;
751 if (client_session == NULL)
752 continue;
753
754 if (w == client_session->curw->window) {
755 if (EVBUFFER_LENGTH(buffer) > 0)
756 evbuffer_add(buffer, ",", 1);
757 evbuffer_add_printf(buffer, "%s", loop->name);
758 }
759 }
760
761 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
762 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
763 evbuffer_free(buffer);
764 return (value);
765 }
766
767 /* Callback for window_layout. */
768 static void *
769 format_cb_window_layout(struct format_tree *ft)
770 {
771 struct window *w = ft->w;
772
773 if (w == NULL)
774 return (NULL);
775
776 if (w->saved_layout_root != NULL)
777 return (layout_dump(w->saved_layout_root));
778 return (layout_dump(w->layout_root));
779 }
780
781 /* Callback for window_visible_layout. */
782 static void *
783 format_cb_window_visible_layout(struct format_tree *ft)
784 {
785 struct window *w = ft->w;
786
787 if (w == NULL)
788 return (NULL);
789
790 return (layout_dump(w->layout_root));
791 }
792
793 /* Callback for pane_start_command. */
794 static void *
795 format_cb_start_command(struct format_tree *ft)
796 {
797 struct window_pane *wp = ft->wp;
798
799 if (wp == NULL)
800 return (NULL);
801
802 return (cmd_stringify_argv(wp->argc, wp->argv));
803 }
804
805 /* Callback for pane_start_path. */
806 static void *
807 format_cb_start_path(struct format_tree *ft)
808 {
809 struct window_pane *wp = ft->wp;
810
811 if (wp == NULL)
812 return (NULL);
813
814 if (wp->cwd == NULL)
815 return (xstrdup(""));
816 return (xstrdup(wp->cwd));
817 }
818
819 /* Callback for pane_current_command. */
820 static void *
821 format_cb_current_command(struct format_tree *ft)
822 {
823 struct window_pane *wp = ft->wp;
824 char *cmd, *value;
825
826 if (wp == NULL || wp->shell == NULL)
827 return (NULL);
828
829 cmd = get_proc_name(wp->fd, wp->tty);
830 if (cmd == NULL || *cmd == '\0') {
831 free(cmd);
832 cmd = cmd_stringify_argv(wp->argc, wp->argv);
833 if (cmd == NULL || *cmd == '\0') {
834 free(cmd);
835 cmd = xstrdup(wp->shell);
836 }
837 }
838 value = parse_window_name(cmd);
839 free(cmd);
840 return (value);
841 }
842
843 /* Callback for pane_current_path. */
844 static void *
845 format_cb_current_path(struct format_tree *ft)
846 {
847 struct window_pane *wp = ft->wp;
848 char *cwd;
849
850 if (wp == NULL)
851 return (NULL);
852
853 cwd = get_proc_cwd(wp->fd);
854 if (cwd == NULL)
855 return (NULL);
856 return (xstrdup(cwd));
857 }
858
859 /* Callback for history_bytes. */
860 static void *
861 format_cb_history_bytes(struct format_tree *ft)
862 {
863 struct window_pane *wp = ft->wp;
864 struct grid *gd;
865 struct grid_line *gl;
866 size_t size = 0;
867 u_int i;
868 char *value;
869
870 if (wp == NULL)
871 return (NULL);
872 gd = wp->base.grid;
873
874 for (i = 0; i < gd->hsize + gd->sy; i++) {
875 gl = grid_get_line(gd, i);
876 size += gl->cellsize * sizeof *gl->celldata;
877 size += gl->extdsize * sizeof *gl->extddata;
878 }
879 size += (gd->hsize + gd->sy) * sizeof *gl;
880
881 xasprintf(&value, "%zu", size);
882 return (value);
883 }
884
885 /* Callback for history_all_bytes. */
886 static void *
887 format_cb_history_all_bytes(struct format_tree *ft)
888 {
889 struct window_pane *wp = ft->wp;
890 struct grid *gd;
891 struct grid_line *gl;
892 u_int i, lines, cells = 0, extended_cells = 0;
893 char *value;
894
895 if (wp == NULL)
896 return (NULL);
897 gd = wp->base.grid;
898
899 lines = gd->hsize + gd->sy;
900 for (i = 0; i < lines; i++) {
901 gl = grid_get_line(gd, i);
902 cells += gl->cellsize;
903 extended_cells += gl->extdsize;
904 }
905
906 xasprintf(&value, "%u,%zu,%u,%zu,%u,%zu", lines,
907 lines * sizeof *gl, cells, cells * sizeof *gl->celldata,
908 extended_cells, extended_cells * sizeof *gl->extddata);
909 return (value);
910 }
911
912 /* Callback for pane_tabs. */
913 static void *
914 format_cb_pane_tabs(struct format_tree *ft)
915 {
916 struct window_pane *wp = ft->wp;
917 struct evbuffer *buffer;
918 u_int i;
919 int size;
920 char *value = NULL;
921
922 if (wp == NULL)
923 return (NULL);
924
925 buffer = evbuffer_new();
926 if (buffer == NULL)
927 fatalx("out of memory");
928 for (i = 0; i < wp->base.grid->sx; i++) {
929 if (!bit_test(wp->base.tabs, i))
930 continue;
931
932 if (EVBUFFER_LENGTH(buffer) > 0)
933 evbuffer_add(buffer, ",", 1);
934 evbuffer_add_printf(buffer, "%u", i);
935 }
936 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
937 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
938 evbuffer_free(buffer);
939 return (value);
940 }
941
942 /* Callback for pane_fg. */
943 static void *
944 format_cb_pane_fg(struct format_tree *ft)
945 {
946 struct window_pane *wp = ft->wp;
947 struct grid_cell gc;
948
949 if (wp == NULL)
950 return (NULL);
951
952 tty_default_colours(&gc, wp);
953 return (xstrdup(colour_tostring(gc.fg)));
954 }
955
956 /* Callback for pane_bg. */
957 static void *
958 format_cb_pane_bg(struct format_tree *ft)
959 {
960 struct window_pane *wp = ft->wp;
961 struct grid_cell gc;
962
963 if (wp == NULL)
964 return (NULL);
965
966 tty_default_colours(&gc, wp);
967 return (xstrdup(colour_tostring(gc.bg)));
968 }
969
970 /* Callback for session_group_list. */
971 static void *
972 format_cb_session_group_list(struct format_tree *ft)
973 {
974 struct session *s = ft->s;
975 struct session_group *sg;
976 struct session *loop;
977 struct evbuffer *buffer;
978 int size;
979 char *value = NULL;
980
981 if (s == NULL)
982 return (NULL);
983 sg = session_group_contains(s);
984 if (sg == NULL)
985 return (NULL);
986
987 buffer = evbuffer_new();
988 if (buffer == NULL)
989 fatalx("out of memory");
990
991 TAILQ_FOREACH(loop, &sg->sessions, gentry) {
992 if (EVBUFFER_LENGTH(buffer) > 0)
993 evbuffer_add(buffer, ",", 1);
994 evbuffer_add_printf(buffer, "%s", loop->name);
995 }
996
997 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
998 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
999 evbuffer_free(buffer);
1000 return (value);
1001 }
1002
1003 /* Callback for session_group_attached_list. */
1004 static void *
1005 format_cb_session_group_attached_list(struct format_tree *ft)
1006 {
1007 struct session *s = ft->s, *client_session, *session_loop;
1008 struct session_group *sg;
1009 struct client *loop;
1010 struct evbuffer *buffer;
1011 int size;
1012 char *value = NULL;
1013
1014 if (s == NULL)
1015 return (NULL);
1016 sg = session_group_contains(s);
1017 if (sg == NULL)
1018 return (NULL);
1019
1020 buffer = evbuffer_new();
1021 if (buffer == NULL)
1022 fatalx("out of memory");
1023
1024 TAILQ_FOREACH(loop, &clients, entry) {
1025 client_session = loop->session;
1026 if (client_session == NULL)
1027 continue;
1028 TAILQ_FOREACH(session_loop, &sg->sessions, gentry) {
1029 if (session_loop == client_session){
1030 if (EVBUFFER_LENGTH(buffer) > 0)
1031 evbuffer_add(buffer, ",", 1);
1032 evbuffer_add_printf(buffer, "%s", loop->name);
1033 }
1034 }
1035 }
1036
1037 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
1038 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
1039 evbuffer_free(buffer);
1040 return (value);
1041 }
1042
1043 /* Callback for pane_in_mode. */
1044 static void *
1045 format_cb_pane_in_mode(struct format_tree *ft)
1046 {
1047 struct window_pane *wp = ft->wp;
1048 u_int n = 0;
1049 struct window_mode_entry *wme;
1050 char *value;
1051
1052 if (wp == NULL)
1053 return (NULL);
1054
1055 TAILQ_FOREACH(wme, &wp->modes, entry)
1056 n++;
1057 xasprintf(&value, "%u", n);
1058 return (value);
1059 }
1060
1061 /* Callback for pane_at_top. */
1062 static void *
1063 format_cb_pane_at_top(struct format_tree *ft)
1064 {
1065 struct window_pane *wp = ft->wp;
1066 struct window *w;
1067 int status, flag;
1068 char *value;
1069
1070 if (wp == NULL)
1071 return (NULL);
1072 w = wp->window;
1073
1074 status = options_get_number(w->options, "pane-border-status");
1075 if (status == PANE_STATUS_TOP)
1076 flag = (wp->yoff == 1);
1077 else
1078 flag = (wp->yoff == 0);
1079 xasprintf(&value, "%d", flag);
1080 return (value);
1081 }
1082
1083 /* Callback for pane_at_bottom. */
1084 static void *
1085 format_cb_pane_at_bottom(struct format_tree *ft)
1086 {
1087 struct window_pane *wp = ft->wp;
1088 struct window *w;
1089 int status, flag;
1090 char *value;
1091
1092 if (wp == NULL)
1093 return (NULL);
1094 w = wp->window;
1095
1096 status = options_get_number(w->options, "pane-border-status");
1097 if (status == PANE_STATUS_BOTTOM)
1098 flag = (wp->yoff + wp->sy == w->sy - 1);
1099 else
1100 flag = (wp->yoff + wp->sy == w->sy);
1101 xasprintf(&value, "%d", flag);
1102 return (value);
1103 }
1104
1105 /* Callback for cursor_character. */
1106 static void *
1107 format_cb_cursor_character(struct format_tree *ft)
1108 {
1109 struct window_pane *wp = ft->wp;
1110 struct grid_cell gc;
1111 char *value = NULL;
1112
1113 if (wp == NULL)
1114 return (NULL);
1115
1116 grid_view_get_cell(wp->base.grid, wp->base.cx, wp->base.cy, &gc);
1117 if (~gc.flags & GRID_FLAG_PADDING)
1118 xasprintf(&value, "%.*s", (int)gc.data.size, gc.data.data);
1119 return (value);
1120 }
1121
1122 /* Callback for mouse_word. */
1123 static void *
1124 format_cb_mouse_word(struct format_tree *ft)
1125 {
1126 struct window_pane *wp;
1127 struct grid *gd;
1128 u_int x, y;
1129 char *s;
1130
1131 if (!ft->m.valid)
1132 return (NULL);
1133 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1134 if (wp == NULL)
1135 return (NULL);
1136 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1137 return (NULL);
1138
1139 if (!TAILQ_EMPTY(&wp->modes)) {
1140 if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
1141 TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
1142 return (s = window_copy_get_word(wp, x, y));
1143 return (NULL);
1144 }
1145 gd = wp->base.grid;
1146 return (format_grid_word(gd, x, gd->hsize + y));
1147 }
1148
1149 /* Callback for mouse_hyperlink. */
1150 static void *
1151 format_cb_mouse_hyperlink(struct format_tree *ft)
1152 {
1153 struct window_pane *wp;
1154 struct grid *gd;
1155 u_int x, y;
1156
1157 if (!ft->m.valid)
1158 return (NULL);
1159 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1160 if (wp == NULL)
1161 return (NULL);
1162 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1163 return (NULL);
1164 gd = wp->base.grid;
1165 return (format_grid_hyperlink(gd, x, gd->hsize + y, wp->screen));
1166 }
1167
1168 /* Callback for mouse_line. */
1169 static void *
1170 format_cb_mouse_line(struct format_tree *ft)
1171 {
1172 struct window_pane *wp;
1173 struct grid *gd;
1174 u_int x, y;
1175
1176 if (!ft->m.valid)
1177 return (NULL);
1178 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1179 if (wp == NULL)
1180 return (NULL);
1181 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1182 return (NULL);
1183
1184 if (!TAILQ_EMPTY(&wp->modes)) {
1185 if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
1186 TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
1187 return (window_copy_get_line(wp, y));
1188 return (NULL);
1189 }
1190 gd = wp->base.grid;
1191 return (format_grid_line(gd, gd->hsize + y));
1192 }
1193
1194 /* Callback for alternate_on. */
1195 static void *
1196 format_cb_alternate_on(struct format_tree *ft)
1197 {
1198 if (ft->wp != NULL) {
1199 if (ft->wp->base.saved_grid != NULL)
1200 return (xstrdup("1"));
1201 return (xstrdup("0"));
1202 }
1203 return (NULL);
1204 }
1205
1206 /* Callback for alternate_saved_x. */
1207 static void *
1208 format_cb_alternate_saved_x(struct format_tree *ft)
1209 {
1210 if (ft->wp != NULL)
1211 return (format_printf("%u", ft->wp->base.saved_cx));
1212 return (NULL);
1213 }
1214
1215 /* Callback for alternate_saved_y. */
1216 static void *
1217 format_cb_alternate_saved_y(struct format_tree *ft)
1218 {
1219 if (ft->wp != NULL)
1220 return (format_printf("%u", ft->wp->base.saved_cy));
1221 return (NULL);
1222 }
1223
1224 /* Callback for buffer_name. */
1225 static void *
1226 format_cb_buffer_name(struct format_tree *ft)
1227 {
1228 if (ft->pb != NULL)
1229 return (xstrdup(paste_buffer_name(ft->pb)));
1230 return (NULL);
1231 }
1232
1233 /* Callback for buffer_sample. */
1234 static void *
1235 format_cb_buffer_sample(struct format_tree *ft)
1236 {
1237 if (ft->pb != NULL)
1238 return (paste_make_sample(ft->pb));
1239 return (NULL);
1240 }
1241
1242 /* Callback for buffer_size. */
1243 static void *
1244 format_cb_buffer_size(struct format_tree *ft)
1245 {
1246 size_t size;
1247
1248 if (ft->pb != NULL) {
1249 paste_buffer_data(ft->pb, &size);
1250 return (format_printf("%zu", size));
1251 }
1252 return (NULL);
1253 }
1254
1255 /* Callback for client_cell_height. */
1256 static void *
1257 format_cb_client_cell_height(struct format_tree *ft)
1258 {
1259 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1260 return (format_printf("%u", ft->c->tty.ypixel));
1261 return (NULL);
1262 }
1263
1264 /* Callback for client_cell_width. */
1265 static void *
1266 format_cb_client_cell_width(struct format_tree *ft)
1267 {
1268 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1269 return (format_printf("%u", ft->c->tty.xpixel));
1270 return (NULL);
1271 }
1272
1273 /* Callback for client_control_mode. */
1274 static void *
1275 format_cb_client_control_mode(struct format_tree *ft)
1276 {
1277 if (ft->c != NULL) {
1278 if (ft->c->flags & CLIENT_CONTROL)
1279 return (xstrdup("1"));
1280 return (xstrdup("0"));
1281 }
1282 return (NULL);
1283 }
1284
1285 /* Callback for client_discarded. */
1286 static void *
1287 format_cb_client_discarded(struct format_tree *ft)
1288 {
1289 if (ft->c != NULL)
1290 return (format_printf("%zu", ft->c->discarded));
1291 return (NULL);
1292 }
1293
1294 /* Callback for client_flags. */
1295 static void *
1296 format_cb_client_flags(struct format_tree *ft)
1297 {
1298 if (ft->c != NULL)
1299 return (xstrdup(server_client_get_flags(ft->c)));
1300 return (NULL);
1301 }
1302
1303 /* Callback for client_height. */
1304 static void *
1305 format_cb_client_height(struct format_tree *ft)
1306 {
1307 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1308 return (format_printf("%u", ft->c->tty.sy));
1309 return (NULL);
1310 }
1311
1312 /* Callback for client_key_table. */
1313 static void *
1314 format_cb_client_key_table(struct format_tree *ft)
1315 {
1316 if (ft->c != NULL)
1317 return (xstrdup(ft->c->keytable->name));
1318 return (NULL);
1319 }
1320
1321 /* Callback for client_last_session. */
1322 static void *
1323 format_cb_client_last_session(struct format_tree *ft)
1324 {
1325 if (ft->c != NULL &&
1326 ft->c->last_session != NULL &&
1327 session_alive(ft->c->last_session))
1328 return (xstrdup(ft->c->last_session->name));
1329 return (NULL);
1330 }
1331
1332 /* Callback for client_name. */
1333 static void *
1334 format_cb_client_name(struct format_tree *ft)
1335 {
1336 if (ft->c != NULL)
1337 return (xstrdup(ft->c->name));
1338 return (NULL);
1339 }
1340
1341 /* Callback for client_pid. */
1342 static void *
1343 format_cb_client_pid(struct format_tree *ft)
1344 {
1345 if (ft->c != NULL)
1346 return (format_printf("%ld", (long)ft->c->pid));
1347 return (NULL);
1348 }
1349
1350 /* Callback for client_prefix. */
1351 static void *
1352 format_cb_client_prefix(struct format_tree *ft)
1353 {
1354 const char *name;
1355
1356 if (ft->c != NULL) {
1357 name = server_client_get_key_table(ft->c);
1358 if (strcmp(ft->c->keytable->name, name) == 0)
1359 return (xstrdup("0"));
1360 return (xstrdup("1"));
1361 }
1362 return (NULL);
1363 }
1364
1365 /* Callback for client_readonly. */
1366 static void *
1367 format_cb_client_readonly(struct format_tree *ft)
1368 {
1369 if (ft->c != NULL) {
1370 if (ft->c->flags & CLIENT_READONLY)
1371 return (xstrdup("1"));
1372 return (xstrdup("0"));
1373 }
1374 return (NULL);
1375 }
1376
1377 /* Callback for client_session. */
1378 static void *
1379 format_cb_client_session(struct format_tree *ft)
1380 {
1381 if (ft->c != NULL && ft->c->session != NULL)
1382 return (xstrdup(ft->c->session->name));
1383 return (NULL);
1384 }
1385
1386 /* Callback for client_termfeatures. */
1387 static void *
1388 format_cb_client_termfeatures(struct format_tree *ft)
1389 {
1390 if (ft->c != NULL)
1391 return (xstrdup(tty_get_features(ft->c->term_features)));
1392 return (NULL);
1393 }
1394
1395 /* Callback for client_termname. */
1396 static void *
1397 format_cb_client_termname(struct format_tree *ft)
1398 {
1399 if (ft->c != NULL)
1400 return (xstrdup(ft->c->term_name));
1401 return (NULL);
1402 }
1403
1404 /* Callback for client_termtype. */
1405 static void *
1406 format_cb_client_termtype(struct format_tree *ft)
1407 {
1408 if (ft->c != NULL) {
1409 if (ft->c->term_type == NULL)
1410 return (xstrdup(""));
1411 return (xstrdup(ft->c->term_type));
1412 }
1413 return (NULL);
1414 }
1415
1416 /* Callback for client_tty. */
1417 static void *
1418 format_cb_client_tty(struct format_tree *ft)
1419 {
1420 if (ft->c != NULL)
1421 return (xstrdup(ft->c->ttyname));
1422 return (NULL);
1423 }
1424
1425 /* Callback for client_uid. */
1426 static void *
1427 format_cb_client_uid(struct format_tree *ft)
1428 {
1429 uid_t uid;
1430
1431 if (ft->c != NULL) {
1432 uid = proc_get_peer_uid(ft->c->peer);
1433 if (uid != (uid_t)-1)
1434 return (format_printf("%ld", (long)uid));
1435 }
1436 return (NULL);
1437 }
1438
1439 /* Callback for client_user. */
1440 static void *
1441 format_cb_client_user(struct format_tree *ft)
1442 {
1443 uid_t uid;
1444 struct passwd *pw;
1445
1446 if (ft->c != NULL) {
1447 uid = proc_get_peer_uid(ft->c->peer);
1448 if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL)
1449 return (xstrdup(pw->pw_name));
1450 }
1451 return (NULL);
1452 }
1453
1454 /* Callback for client_utf8. */
1455 static void *
1456 format_cb_client_utf8(struct format_tree *ft)
1457 {
1458 if (ft->c != NULL) {
1459 if (ft->c->flags & CLIENT_UTF8)
1460 return (xstrdup("1"));
1461 return (xstrdup("0"));
1462 }
1463 return (NULL);
1464 }
1465
1466 /* Callback for client_width. */
1467 static void *
1468 format_cb_client_width(struct format_tree *ft)
1469 {
1470 if (ft->c != NULL)
1471 return (format_printf("%u", ft->c->tty.sx));
1472 return (NULL);
1473 }
1474
1475 /* Callback for client_written. */
1476 static void *
1477 format_cb_client_written(struct format_tree *ft)
1478 {
1479 if (ft->c != NULL)
1480 return (format_printf("%zu", ft->c->written));
1481 return (NULL);
1482 }
1483
1484 /* Callback for config_files. */
1485 static void *
1486 format_cb_config_files(__unused struct format_tree *ft)
1487 {
1488 char *s = NULL;
1489 size_t slen = 0;
1490 u_int i;
1491 size_t n;
1492
1493 for (i = 0; i < cfg_nfiles; i++) {
1494 n = strlen(cfg_files[i]) + 1;
1495 s = xrealloc(s, slen + n + 1);
1496 slen += xsnprintf(s + slen, n + 1, "%s,", cfg_files[i]);
1497 }
1498 if (s == NULL)
1499 return (xstrdup(""));
1500 s[slen - 1] = '\0';
1501 return (s);
1502 }
1503
1504 /* Callback for cursor_flag. */
1505 static void *
1506 format_cb_cursor_flag(struct format_tree *ft)
1507 {
1508 if (ft->wp != NULL) {
1509 if (ft->wp->base.mode & MODE_CURSOR)
1510 return (xstrdup("1"));
1511 return (xstrdup("0"));
1512 }
1513 return (NULL);
1514 }
1515
1516 /* Callback for cursor_x. */
1517 static void *
1518 format_cb_cursor_x(struct format_tree *ft)
1519 {
1520 if (ft->wp != NULL)
1521 return (format_printf("%u", ft->wp->base.cx));
1522 return (NULL);
1523 }
1524
1525 /* Callback for cursor_y. */
1526 static void *
1527 format_cb_cursor_y(struct format_tree *ft)
1528 {
1529 if (ft->wp != NULL)
1530 return (format_printf("%u", ft->wp->base.cy));
1531 return (NULL);
1532 }
1533
1534 /* Callback for history_limit. */
1535 static void *
1536 format_cb_history_limit(struct format_tree *ft)
1537 {
1538 if (ft->wp != NULL)
1539 return (format_printf("%u", ft->wp->base.grid->hlimit));
1540 return (NULL);
1541 }
1542
1543 /* Callback for history_size. */
1544 static void *
1545 format_cb_history_size(struct format_tree *ft)
1546 {
1547 if (ft->wp != NULL)
1548 return (format_printf("%u", ft->wp->base.grid->hsize));
1549 return (NULL);
1550 }
1551
1552 /* Callback for insert_flag. */
1553 static void *
1554 format_cb_insert_flag(struct format_tree *ft)
1555 {
1556 if (ft->wp != NULL) {
1557 if (ft->wp->base.mode & MODE_INSERT)
1558 return (xstrdup("1"));
1559 return (xstrdup("0"));
1560 }
1561 return (NULL);
1562 }
1563
1564 /* Callback for keypad_cursor_flag. */
1565 static void *
1566 format_cb_keypad_cursor_flag(struct format_tree *ft)
1567 {
1568 if (ft->wp != NULL) {
1569 if (ft->wp->base.mode & MODE_KCURSOR)
1570 return (xstrdup("1"));
1571 return (xstrdup("0"));
1572 }
1573 return (NULL);
1574 }
1575
1576 /* Callback for keypad_flag. */
1577 static void *
1578 format_cb_keypad_flag(struct format_tree *ft)
1579 {
1580 if (ft->wp != NULL) {
1581 if (ft->wp->base.mode & MODE_KKEYPAD)
1582 return (xstrdup("1"));
1583 return (xstrdup("0"));
1584 }
1585 return (NULL);
1586 }
1587
1588 /* Callback for mouse_all_flag. */
1589 static void *
1590 format_cb_mouse_all_flag(struct format_tree *ft)
1591 {
1592 if (ft->wp != NULL) {
1593 if (ft->wp->base.mode & MODE_MOUSE_ALL)
1594 return (xstrdup("1"));
1595 return (xstrdup("0"));
1596 }
1597 return (NULL);
1598 }
1599
1600 /* Callback for mouse_any_flag. */
1601 static void *
1602 format_cb_mouse_any_flag(struct format_tree *ft)
1603 {
1604 if (ft->wp != NULL) {
1605 if (ft->wp->base.mode & ALL_MOUSE_MODES)
1606 return (xstrdup("1"));
1607 return (xstrdup("0"));
1608 }
1609 return (NULL);
1610 }
1611
1612 /* Callback for mouse_button_flag. */
1613 static void *
1614 format_cb_mouse_button_flag(struct format_tree *ft)
1615 {
1616 if (ft->wp != NULL) {
1617 if (ft->wp->base.mode & MODE_MOUSE_BUTTON)
1618 return (xstrdup("1"));
1619 return (xstrdup("0"));
1620 }
1621 return (NULL);
1622 }
1623
1624 /* Callback for mouse_pane. */
1625 static void *
1626 format_cb_mouse_pane(struct format_tree *ft)
1627 {
1628 struct window_pane *wp;
1629
1630 if (ft->m.valid) {
1631 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1632 if (wp != NULL)
1633 return (format_printf("%%%u", wp->id));
1634 return (NULL);
1635 }
1636 return (NULL);
1637 }
1638
1639 /* Callback for mouse_sgr_flag. */
1640 static void *
1641 format_cb_mouse_sgr_flag(struct format_tree *ft)
1642 {
1643 if (ft->wp != NULL) {
1644 if (ft->wp->base.mode & MODE_MOUSE_SGR)
1645 return (xstrdup("1"));
1646 return (xstrdup("0"));
1647 }
1648 return (NULL);
1649 }
1650
1651 /* Callback for mouse_standard_flag. */
1652 static void *
1653 format_cb_mouse_standard_flag(struct format_tree *ft)
1654 {
1655 if (ft->wp != NULL) {
1656 if (ft->wp->base.mode & MODE_MOUSE_STANDARD)
1657 return (xstrdup("1"));
1658 return (xstrdup("0"));
1659 }
1660 return (NULL);
1661 }
1662
1663 /* Callback for mouse_utf8_flag. */
1664 static void *
1665 format_cb_mouse_utf8_flag(struct format_tree *ft)
1666 {
1667 if (ft->wp != NULL) {
1668 if (ft->wp->base.mode & MODE_MOUSE_UTF8)
1669 return (xstrdup("1"));
1670 return (xstrdup("0"));
1671 }
1672 return (NULL);
1673 }
1674
1675 /* Callback for mouse_x. */
1676 static void *
1677 format_cb_mouse_x(struct format_tree *ft)
1678 {
1679 struct window_pane *wp;
1680 u_int x, y;
1681
1682 if (!ft->m.valid)
1683 return (NULL);
1684 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1685 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1686 return (format_printf("%u", x));
1687 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1688 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1689 return (format_printf("%u", ft->m.x));
1690 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1691 return (format_printf("%u", ft->m.x));
1692 }
1693 return (NULL);
1694 }
1695
1696 /* Callback for mouse_y. */
1697 static void *
1698 format_cb_mouse_y(struct format_tree *ft)
1699 {
1700 struct window_pane *wp;
1701 u_int x, y;
1702
1703 if (!ft->m.valid)
1704 return (NULL);
1705 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1706 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1707 return (format_printf("%u", y));
1708 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1709 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1710 return (format_printf("%u", ft->m.y));
1711 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1712 return (format_printf("%u", ft->m.y - ft->m.statusat));
1713 }
1714 return (NULL);
1715 }
1716
1717 /* Callback for next_session_id. */
1718 static void *
1719 format_cb_next_session_id(__unused struct format_tree *ft)
1720 {
1721 return (format_printf("$%u", next_session_id));
1722 }
1723
1724 /* Callback for origin_flag. */
1725 static void *
1726 format_cb_origin_flag(struct format_tree *ft)
1727 {
1728 if (ft->wp != NULL) {
1729 if (ft->wp->base.mode & MODE_ORIGIN)
1730 return (xstrdup("1"));
1731 return (xstrdup("0"));
1732 }
1733 return (NULL);
1734 }
1735
1736 /* Callback for pane_active. */
1737 static void *
1738 format_cb_pane_active(struct format_tree *ft)
1739 {
1740 if (ft->wp != NULL) {
1741 if (ft->wp == ft->wp->window->active)
1742 return (xstrdup("1"));
1743 return (xstrdup("0"));
1744 }
1745 return (NULL);
1746 }
1747
1748 /* Callback for pane_at_left. */
1749 static void *
1750 format_cb_pane_at_left(struct format_tree *ft)
1751 {
1752 if (ft->wp != NULL) {
1753 if (ft->wp->xoff == 0)
1754 return (xstrdup("1"));
1755 return (xstrdup("0"));
1756 }
1757 return (NULL);
1758 }
1759
1760 /* Callback for pane_at_right. */
1761 static void *
1762 format_cb_pane_at_right(struct format_tree *ft)
1763 {
1764 if (ft->wp != NULL) {
1765 if (ft->wp->xoff + ft->wp->sx == ft->wp->window->sx)
1766 return (xstrdup("1"));
1767 return (xstrdup("0"));
1768 }
1769 return (NULL);
1770 }
1771
1772 /* Callback for pane_bottom. */
1773 static void *
1774 format_cb_pane_bottom(struct format_tree *ft)
1775 {
1776 if (ft->wp != NULL)
1777 return (format_printf("%u", ft->wp->yoff + ft->wp->sy - 1));
1778 return (NULL);
1779 }
1780
1781 /* Callback for pane_dead. */
1782 static void *
1783 format_cb_pane_dead(struct format_tree *ft)
1784 {
1785 if (ft->wp != NULL) {
1786 if (ft->wp->fd == -1)
1787 return (xstrdup("1"));
1788 return (xstrdup("0"));
1789 }
1790 return (NULL);
1791 }
1792
1793 /* Callback for pane_dead_signal. */
1794 static void *
1795 format_cb_pane_dead_signal(struct format_tree *ft)
1796 {
1797 struct window_pane *wp = ft->wp;
1798 const char *name;
1799
1800 if (wp != NULL) {
1801 if ((wp->flags & PANE_STATUSREADY) && WIFSIGNALED(wp->status)) {
1802 name = sig2name(WTERMSIG(wp->status));
1803 return (format_printf("%s", name));
1804 }
1805 return (NULL);
1806 }
1807 return (NULL);
1808 }
1809
1810 /* Callback for pane_dead_status. */
1811 static void *
1812 format_cb_pane_dead_status(struct format_tree *ft)
1813 {
1814 struct window_pane *wp = ft->wp;
1815
1816 if (wp != NULL) {
1817 if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(wp->status))
1818 return (format_printf("%d", WEXITSTATUS(wp->status)));
1819 return (NULL);
1820 }
1821 return (NULL);
1822 }
1823
1824 /* Callback for pane_dead_time. */
1825 static void *
1826 format_cb_pane_dead_time(struct format_tree *ft)
1827 {
1828 struct window_pane *wp = ft->wp;
1829
1830 if (wp != NULL) {
1831 if (wp->flags & PANE_STATUSDRAWN)
1832 return (&wp->dead_time);
1833 return (NULL);
1834 }
1835 return (NULL);
1836 }
1837
1838 /* Callback for pane_format. */
1839 static void *
1840 format_cb_pane_format(struct format_tree *ft)
1841 {
1842 if (ft->type == FORMAT_TYPE_PANE)
1843 return (xstrdup("1"));
1844 return (xstrdup("0"));
1845 }
1846
1847 /* Callback for pane_height. */
1848 static void *
1849 format_cb_pane_height(struct format_tree *ft)
1850 {
1851 if (ft->wp != NULL)
1852 return (format_printf("%u", ft->wp->sy));
1853 return (NULL);
1854 }
1855
1856 /* Callback for pane_id. */
1857 static void *
1858 format_cb_pane_id(struct format_tree *ft)
1859 {
1860 if (ft->wp != NULL)
1861 return (format_printf("%%%u", ft->wp->id));
1862 return (NULL);
1863 }
1864
1865 /* Callback for pane_index. */
1866 static void *
1867 format_cb_pane_index(struct format_tree *ft)
1868 {
1869 u_int idx;
1870
1871 if (ft->wp != NULL && window_pane_index(ft->wp, &idx) == 0)
1872 return (format_printf("%u", idx));
1873 return (NULL);
1874 }
1875
1876 /* Callback for pane_input_off. */
1877 static void *
1878 format_cb_pane_input_off(struct format_tree *ft)
1879 {
1880 if (ft->wp != NULL) {
1881 if (ft->wp->flags & PANE_INPUTOFF)
1882 return (xstrdup("1"));
1883 return (xstrdup("0"));
1884 }
1885 return (NULL);
1886 }
1887
1888 /* Callback for pane_unseen_changes. */
1889 static void *
1890 format_cb_pane_unseen_changes(struct format_tree *ft)
1891 {
1892 if (ft->wp != NULL) {
1893 if (ft->wp->flags & PANE_UNSEENCHANGES)
1894 return (xstrdup("1"));
1895 return (xstrdup("0"));
1896 }
1897 return (NULL);
1898 }
1899
1900 /* Callback for pane_last. */
1901 static void *
1902 format_cb_pane_last(struct format_tree *ft)
1903 {
1904 if (ft->wp != NULL) {
1905 if (ft->wp == TAILQ_FIRST(&ft->wp->window->last_panes))
1906 return (xstrdup("1"));
1907 return (xstrdup("0"));
1908 }
1909 return (NULL);
1910 }
1911
1912 /* Callback for pane_left. */
1913 static void *
1914 format_cb_pane_left(struct format_tree *ft)
1915 {
1916 if (ft->wp != NULL)
1917 return (format_printf("%u", ft->wp->xoff));
1918 return (NULL);
1919 }
1920
1921 /* Callback for pane_marked. */
1922 static void *
1923 format_cb_pane_marked(struct format_tree *ft)
1924 {
1925 if (ft->wp != NULL) {
1926 if (server_check_marked() && marked_pane.wp == ft->wp)
1927 return (xstrdup("1"));
1928 return (xstrdup("0"));
1929 }
1930 return (NULL);
1931 }
1932
1933 /* Callback for pane_marked_set. */
1934 static void *
1935 format_cb_pane_marked_set(struct format_tree *ft)
1936 {
1937 if (ft->wp != NULL) {
1938 if (server_check_marked())
1939 return (xstrdup("1"));
1940 return (xstrdup("0"));
1941 }
1942 return (NULL);
1943 }
1944
1945 /* Callback for pane_mode. */
1946 static void *
1947 format_cb_pane_mode(struct format_tree *ft)
1948 {
1949 struct window_mode_entry *wme;
1950
1951 if (ft->wp != NULL) {
1952 wme = TAILQ_FIRST(&ft->wp->modes);
1953 if (wme != NULL)
1954 return (xstrdup(wme->mode->name));
1955 return (NULL);
1956 }
1957 return (NULL);
1958 }
1959
1960 /* Callback for pane_path. */
1961 static void *
1962 format_cb_pane_path(struct format_tree *ft)
1963 {
1964 if (ft->wp != NULL) {
1965 if (ft->wp->base.path == NULL)
1966 return (xstrdup(""));
1967 return (xstrdup(ft->wp->base.path));
1968 }
1969 return (NULL);
1970 }
1971
1972 /* Callback for pane_pid. */
1973 static void *
1974 format_cb_pane_pid(struct format_tree *ft)
1975 {
1976 if (ft->wp != NULL)
1977 return (format_printf("%ld", (long)ft->wp->pid));
1978 return (NULL);
1979 }
1980
1981 /* Callback for pane_pipe. */
1982 static void *
1983 format_cb_pane_pipe(struct format_tree *ft)
1984 {
1985 if (ft->wp != NULL) {
1986 if (ft->wp->pipe_fd != -1)
1987 return (xstrdup("1"));
1988 return (xstrdup("0"));
1989 }
1990 return (NULL);
1991 }
1992
1993 /* Callback for pane_right. */
1994 static void *
1995 format_cb_pane_right(struct format_tree *ft)
1996 {
1997 if (ft->wp != NULL)
1998 return (format_printf("%u", ft->wp->xoff + ft->wp->sx - 1));
1999 return (NULL);
2000 }
2001
2002 /* Callback for pane_search_string. */
2003 static void *
2004 format_cb_pane_search_string(struct format_tree *ft)
2005 {
2006 if (ft->wp != NULL) {
2007 if (ft->wp->searchstr == NULL)
2008 return (xstrdup(""));
2009 return (xstrdup(ft->wp->searchstr));
2010 }
2011 return (NULL);
2012 }
2013
2014 /* Callback for pane_synchronized. */
2015 static void *
2016 format_cb_pane_synchronized(struct format_tree *ft)
2017 {
2018 if (ft->wp != NULL) {
2019 if (options_get_number(ft->wp->options, "synchronize-panes"))
2020 return (xstrdup("1"));
2021 return (xstrdup("0"));
2022 }
2023 return (NULL);
2024 }
2025
2026 /* Callback for pane_title. */
2027 static void *
2028 format_cb_pane_title(struct format_tree *ft)
2029 {
2030 if (ft->wp != NULL)
2031 return (xstrdup(ft->wp->base.title));
2032 return (NULL);
2033 }
2034
2035 /* Callback for pane_top. */
2036 static void *
2037 format_cb_pane_top(struct format_tree *ft)
2038 {
2039 if (ft->wp != NULL)
2040 return (format_printf("%u", ft->wp->yoff));
2041 return (NULL);
2042 }
2043
2044 /* Callback for pane_tty. */
2045 static void *
2046 format_cb_pane_tty(struct format_tree *ft)
2047 {
2048 if (ft->wp != NULL)
2049 return (xstrdup(ft->wp->tty));
2050 return (NULL);
2051 }
2052
2053 /* Callback for pane_width. */
2054 static void *
2055 format_cb_pane_width(struct format_tree *ft)
2056 {
2057 if (ft->wp != NULL)
2058 return (format_printf("%u", ft->wp->sx));
2059 return (NULL);
2060 }
2061
2062 /* Callback for scroll_region_lower. */
2063 static void *
2064 format_cb_scroll_region_lower(struct format_tree *ft)
2065 {
2066 if (ft->wp != NULL)
2067 return (format_printf("%u", ft->wp->base.rlower));
2068 return (NULL);
2069 }
2070
2071 /* Callback for scroll_region_upper. */
2072 static void *
2073 format_cb_scroll_region_upper(struct format_tree *ft)
2074 {
2075 if (ft->wp != NULL)
2076 return (format_printf("%u", ft->wp->base.rupper));
2077 return (NULL);
2078 }
2079
2080 /* Callback for server_sessions. */
2081 static void *
2082 format_cb_server_sessions(__unused struct format_tree *ft)
2083 {
2084 struct session *s;
2085 u_int n = 0;
2086
2087 RB_FOREACH(s, sessions, &sessions)
2088 n++;
2089 return (format_printf("%u", n));
2090 }
2091
2092 /* Callback for session_attached. */
2093 static void *
2094 format_cb_session_attached(struct format_tree *ft)
2095 {
2096 if (ft->s != NULL)
2097 return (format_printf("%u", ft->s->attached));
2098 return (NULL);
2099 }
2100
2101 /* Callback for session_format. */
2102 static void *
2103 format_cb_session_format(struct format_tree *ft)
2104 {
2105 if (ft->type == FORMAT_TYPE_SESSION)
2106 return (xstrdup("1"));
2107 return (xstrdup("0"));
2108 }
2109
2110 /* Callback for session_group. */
2111 static void *
2112 format_cb_session_group(struct format_tree *ft)
2113 {
2114 struct session_group *sg;
2115
2116 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2117 return (xstrdup(sg->name));
2118 return (NULL);
2119 }
2120
2121 /* Callback for session_group_attached. */
2122 static void *
2123 format_cb_session_group_attached(struct format_tree *ft)
2124 {
2125 struct session_group *sg;
2126
2127 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2128 return (format_printf("%u", session_group_attached_count (sg)));
2129 return (NULL);
2130 }
2131
2132 /* Callback for session_group_many_attached. */
2133 static void *
2134 format_cb_session_group_many_attached(struct format_tree *ft)
2135 {
2136 struct session_group *sg;
2137
2138 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL) {
2139 if (session_group_attached_count (sg) > 1)
2140 return (xstrdup("1"));
2141 return (xstrdup("0"));
2142 }
2143 return (NULL);
2144 }
2145
2146 /* Callback for session_group_size. */
2147 static void *
2148 format_cb_session_group_size(struct format_tree *ft)
2149 {
2150 struct session_group *sg;
2151
2152 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2153 return (format_printf("%u", session_group_count (sg)));
2154 return (NULL);
2155 }
2156
2157 /* Callback for session_grouped. */
2158 static void *
2159 format_cb_session_grouped(struct format_tree *ft)
2160 {
2161 if (ft->s != NULL) {
2162 if (session_group_contains(ft->s) != NULL)
2163 return (xstrdup("1"));
2164 return (xstrdup("0"));
2165 }
2166 return (NULL);
2167 }
2168
2169 /* Callback for session_id. */
2170 static void *
2171 format_cb_session_id(struct format_tree *ft)
2172 {
2173 if (ft->s != NULL)
2174 return (format_printf("$%u", ft->s->id));
2175 return (NULL);
2176 }
2177
2178 /* Callback for session_many_attached. */
2179 static void *
2180 format_cb_session_many_attached(struct format_tree *ft)
2181 {
2182 if (ft->s != NULL) {
2183 if (ft->s->attached > 1)
2184 return (xstrdup("1"));
2185 return (xstrdup("0"));
2186 }
2187 return (NULL);
2188 }
2189
2190 /* Callback for session_marked. */
2191 static void *
2192 format_cb_session_marked(struct format_tree *ft)
2193 {
2194 if (ft->s != NULL) {
2195 if (server_check_marked() && marked_pane.s == ft->s)
2196 return (xstrdup("1"));
2197 return (xstrdup("0"));
2198 }
2199 return (NULL);
2200 }
2201
2202 /* Callback for session_name. */
2203 static void *
2204 format_cb_session_name(struct format_tree *ft)
2205 {
2206 if (ft->s != NULL)
2207 return (xstrdup(ft->s->name));
2208 return (NULL);
2209 }
2210
2211 /* Callback for session_path. */
2212 static void *
2213 format_cb_session_path(struct format_tree *ft)
2214 {
2215 if (ft->s != NULL)
2216 return (xstrdup(ft->s->cwd));
2217 return (NULL);
2218 }
2219
2220 /* Callback for session_windows. */
2221 static void *
2222 format_cb_session_windows(struct format_tree *ft)
2223 {
2224 if (ft->s != NULL)
2225 return (format_printf("%u", winlink_count(&ft->s->windows)));
2226 return (NULL);
2227 }
2228
2229 /* Callback for socket_path. */
2230 static void *
2231 format_cb_socket_path(__unused struct format_tree *ft)
2232 {
2233 return (xstrdup(socket_path));
2234 }
2235
2236 /* Callback for version. */
2237 static void *
2238 format_cb_version(__unused struct format_tree *ft)
2239 {
2240 return (xstrdup(getversion()));
2241 }
2242
2243 /* Callback for active_window_index. */
2244 static void *
2245 format_cb_active_window_index(struct format_tree *ft)
2246 {
2247 if (ft->s != NULL)
2248 return (format_printf("%u", ft->s->curw->idx));
2249 return (NULL);
2250 }
2251
2252 /* Callback for last_window_index. */
2253 static void *
2254 format_cb_last_window_index(struct format_tree *ft)
2255 {
2256 struct winlink *wl;
2257
2258 if (ft->s != NULL) {
2259 wl = RB_MAX(winlinks, &ft->s->windows);
2260 return (format_printf("%u", wl->idx));
2261 }
2262 return (NULL);
2263 }
2264
2265 /* Callback for window_active. */
2266 static void *
2267 format_cb_window_active(struct format_tree *ft)
2268 {
2269 if (ft->wl != NULL) {
2270 if (ft->wl == ft->wl->session->curw)
2271 return (xstrdup("1"));
2272 return (xstrdup("0"));
2273 }
2274 return (NULL);
2275 }
2276
2277 /* Callback for window_activity_flag. */
2278 static void *
2279 format_cb_window_activity_flag(struct format_tree *ft)
2280 {
2281 if (ft->wl != NULL) {
2282 if (ft->wl->flags & WINLINK_ACTIVITY)
2283 return (xstrdup("1"));
2284 return (xstrdup("0"));
2285 }
2286 return (NULL);
2287 }
2288
2289 /* Callback for window_bell_flag. */
2290 static void *
2291 format_cb_window_bell_flag(struct format_tree *ft)
2292 {
2293 if (ft->wl != NULL) {
2294 if (ft->wl->flags & WINLINK_BELL)
2295 return (xstrdup("1"));
2296 return (xstrdup("0"));
2297 }
2298 return (NULL);
2299 }
2300
2301 /* Callback for window_bigger. */
2302 static void *
2303 format_cb_window_bigger(struct format_tree *ft)
2304 {
2305 u_int ox, oy, sx, sy;
2306
2307 if (ft->c != NULL) {
2308 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2309 return (xstrdup("1"));
2310 return (xstrdup("0"));
2311 }
2312 return (NULL);
2313 }
2314
2315 /* Callback for window_cell_height. */
2316 static void *
2317 format_cb_window_cell_height(struct format_tree *ft)
2318 {
2319 if (ft->w != NULL)
2320 return (format_printf("%u", ft->w->ypixel));
2321 return (NULL);
2322 }
2323
2324 /* Callback for window_cell_width. */
2325 static void *
2326 format_cb_window_cell_width(struct format_tree *ft)
2327 {
2328 if (ft->w != NULL)
2329 return (format_printf("%u", ft->w->xpixel));
2330 return (NULL);
2331 }
2332
2333 /* Callback for window_end_flag. */
2334 static void *
2335 format_cb_window_end_flag(struct format_tree *ft)
2336 {
2337 if (ft->wl != NULL) {
2338 if (ft->wl == RB_MAX(winlinks, &ft->wl->session->windows))
2339 return (xstrdup("1"));
2340 return (xstrdup("0"));
2341 }
2342 return (NULL);
2343 }
2344
2345 /* Callback for window_flags. */
2346 static void *
2347 format_cb_window_flags(struct format_tree *ft)
2348 {
2349 if (ft->wl != NULL)
2350 return (xstrdup(window_printable_flags(ft->wl, 1)));
2351 return (NULL);
2352 }
2353
2354 /* Callback for window_format. */
2355 static void *
2356 format_cb_window_format(struct format_tree *ft)
2357 {
2358 if (ft->type == FORMAT_TYPE_WINDOW)
2359 return (xstrdup("1"));
2360 return (xstrdup("0"));
2361 }
2362
2363 /* Callback for window_height. */
2364 static void *
2365 format_cb_window_height(struct format_tree *ft)
2366 {
2367 if (ft->w != NULL)
2368 return (format_printf("%u", ft->w->sy));
2369 return (NULL);
2370 }
2371
2372 /* Callback for window_id. */
2373 static void *
2374 format_cb_window_id(struct format_tree *ft)
2375 {
2376 if (ft->w != NULL)
2377 return (format_printf("@%u", ft->w->id));
2378 return (NULL);
2379 }
2380
2381 /* Callback for window_index. */
2382 static void *
2383 format_cb_window_index(struct format_tree *ft)
2384 {
2385 if (ft->wl != NULL)
2386 return (format_printf("%d", ft->wl->idx));
2387 return (NULL);
2388 }
2389
2390 /* Callback for window_last_flag. */
2391 static void *
2392 format_cb_window_last_flag(struct format_tree *ft)
2393 {
2394 if (ft->wl != NULL) {
2395 if (ft->wl == TAILQ_FIRST(&ft->wl->session->lastw))
2396 return (xstrdup("1"));
2397 return (xstrdup("0"));
2398 }
2399 return (NULL);
2400 }
2401
2402 /* Callback for window_linked. */
2403 static void *
2404 format_cb_window_linked(struct format_tree *ft)
2405 {
2406 if (ft->wl != NULL) {
2407 if (session_is_linked(ft->wl->session, ft->wl->window))
2408 return (xstrdup("1"));
2409 return (xstrdup("0"));
2410 }
2411 return (NULL);
2412 }
2413
2414 /* Callback for window_linked_sessions. */
2415 static void *
2416 format_cb_window_linked_sessions(struct format_tree *ft)
2417 {
2418 if (ft->wl != NULL)
2419 return (format_printf("%u", ft->wl->window->references));
2420 return (NULL);
2421 }
2422
2423 /* Callback for window_marked_flag. */
2424 static void *
2425 format_cb_window_marked_flag(struct format_tree *ft)
2426 {
2427 if (ft->wl != NULL) {
2428 if (server_check_marked() && marked_pane.wl == ft->wl)
2429 return (xstrdup("1"));
2430 return (xstrdup("0"));
2431 }
2432 return (NULL);
2433 }
2434
2435 /* Callback for window_name. */
2436 static void *
2437 format_cb_window_name(struct format_tree *ft)
2438 {
2439 if (ft->w != NULL)
2440 return (format_printf("%s", ft->w->name));
2441 return (NULL);
2442 }
2443
2444 /* Callback for window_offset_x. */
2445 static void *
2446 format_cb_window_offset_x(struct format_tree *ft)
2447 {
2448 u_int ox, oy, sx, sy;
2449
2450 if (ft->c != NULL) {
2451 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2452 return (format_printf("%u", ox));
2453 return (NULL);
2454 }
2455 return (NULL);
2456 }
2457
2458 /* Callback for window_offset_y. */
2459 static void *
2460 format_cb_window_offset_y(struct format_tree *ft)
2461 {
2462 u_int ox, oy, sx, sy;
2463
2464 if (ft->c != NULL) {
2465 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2466 return (format_printf("%u", oy));
2467 return (NULL);
2468 }
2469 return (NULL);
2470 }
2471
2472 /* Callback for window_panes. */
2473 static void *
2474 format_cb_window_panes(struct format_tree *ft)
2475 {
2476 if (ft->w != NULL)
2477 return (format_printf("%u", window_count_panes(ft->w)));
2478 return (NULL);
2479 }
2480
2481 /* Callback for window_raw_flags. */
2482 static void *
2483 format_cb_window_raw_flags(struct format_tree *ft)
2484 {
2485 if (ft->wl != NULL)
2486 return (xstrdup(window_printable_flags(ft->wl, 0)));
2487 return (NULL);
2488 }
2489
2490 /* Callback for window_silence_flag. */
2491 static void *
2492 format_cb_window_silence_flag(struct format_tree *ft)
2493 {
2494 if (ft->wl != NULL) {
2495 if (ft->wl->flags & WINLINK_SILENCE)
2496 return (xstrdup("1"));
2497 return (xstrdup("0"));
2498 }
2499 return (NULL);
2500 }
2501
2502 /* Callback for window_start_flag. */
2503 static void *
2504 format_cb_window_start_flag(struct format_tree *ft)
2505 {
2506 if (ft->wl != NULL) {
2507 if (ft->wl == RB_MIN(winlinks, &ft->wl->session->windows))
2508 return (xstrdup("1"));
2509 return (xstrdup("0"));
2510 }
2511 return (NULL);
2512 }
2513
2514 /* Callback for window_width. */
2515 static void *
2516 format_cb_window_width(struct format_tree *ft)
2517 {
2518 if (ft->w != NULL)
2519 return (format_printf("%u", ft->w->sx));
2520 return (NULL);
2521 }
2522
2523 /* Callback for window_zoomed_flag. */
2524 static void *
2525 format_cb_window_zoomed_flag(struct format_tree *ft)
2526 {
2527 if (ft->w != NULL) {
2528 if (ft->w->flags & WINDOW_ZOOMED)
2529 return (xstrdup("1"));
2530 return (xstrdup("0"));
2531 }
2532 return (NULL);
2533 }
2534
2535 /* Callback for wrap_flag. */
2536 static void *
2537 format_cb_wrap_flag(struct format_tree *ft)
2538 {
2539 if (ft->wp != NULL) {
2540 if (ft->wp->base.mode & MODE_WRAP)
2541 return (xstrdup("1"));
2542 return (xstrdup("0"));
2543 }
2544 return (NULL);
2545 }
2546
2547 /* Callback for buffer_created. */
2548 static void *
2549 format_cb_buffer_created(struct format_tree *ft)
2550 {
2551 static struct timeval tv;
2552
2553 if (ft->pb != NULL) {
2554 timerclear(&tv);
2555 tv.tv_sec = paste_buffer_created(ft->pb);
2556 return (&tv);
2557 }
2558 return (NULL);
2559 }
2560
2561 /* Callback for client_activity. */
2562 static void *
2563 format_cb_client_activity(struct format_tree *ft)
2564 {
2565 if (ft->c != NULL)
2566 return (&ft->c->activity_time);
2567 return (NULL);
2568 }
2569
2570 /* Callback for client_created. */
2571 static void *
2572 format_cb_client_created(struct format_tree *ft)
2573 {
2574 if (ft->c != NULL)
2575 return (&ft->c->creation_time);
2576 return (NULL);
2577 }
2578
2579 /* Callback for session_activity. */
2580 static void *
2581 format_cb_session_activity(struct format_tree *ft)
2582 {
2583 if (ft->s != NULL)
2584 return (&ft->s->activity_time);
2585 return (NULL);
2586 }
2587
2588 /* Callback for session_created. */
2589 static void *
2590 format_cb_session_created(struct format_tree *ft)
2591 {
2592 if (ft->s != NULL)
2593 return (&ft->s->creation_time);
2594 return (NULL);
2595 }
2596
2597 /* Callback for session_last_attached. */
2598 static void *
2599 format_cb_session_last_attached(struct format_tree *ft)
2600 {
2601 if (ft->s != NULL)
2602 return (&ft->s->last_attached_time);
2603 return (NULL);
2604 }
2605
2606 /* Callback for start_time. */
2607 static void *
2608 format_cb_start_time(__unused struct format_tree *ft)
2609 {
2610 return (&start_time);
2611 }
2612
2613 /* Callback for window_activity. */
2614 static void *
2615 format_cb_window_activity(struct format_tree *ft)
2616 {
2617 if (ft->w != NULL)
2618 return (&ft->w->activity_time);
2619 return (NULL);
2620 }
2621
2622 /* Callback for buffer_mode_format, */
2623 static void *
2624 format_cb_buffer_mode_format(__unused struct format_tree *ft)
2625 {
2626 return (xstrdup(window_buffer_mode.default_format));
2627 }
2628
2629 /* Callback for client_mode_format, */
2630 static void *
2631 format_cb_client_mode_format(__unused struct format_tree *ft)
2632 {
2633 return (xstrdup(window_client_mode.default_format));
2634 }
2635
2636 /* Callback for tree_mode_format, */
2637 static void *
2638 format_cb_tree_mode_format(__unused struct format_tree *ft)
2639 {
2640 return (xstrdup(window_tree_mode.default_format));
2641 }
2642
2643 /* Callback for uid. */
2644 static void *
2645 format_cb_uid(__unused struct format_tree *ft)
2646 {
2647 return (format_printf("%ld", (long)getuid()));
2648 }
2649
2650 /* Callback for user. */
2651 static void *
2652 format_cb_user(__unused struct format_tree *ft)
2653 {
2654 struct passwd *pw;
2655
2656 if ((pw = getpwuid(getuid())) != NULL)
2657 return (xstrdup(pw->pw_name));
2658 return (NULL);
2659 }
2660
2661 /* Format table type. */
2662 enum format_table_type {
2663 FORMAT_TABLE_STRING,
2664 FORMAT_TABLE_TIME
2665 };
2666
2667 /* Format table entry. */
2668 struct format_table_entry {
2669 const char *key;
2670 enum format_table_type type;
2671 format_cb cb;
2672 };
2673
2674 /*
2675 * Format table. Default format variables (that are almost always in the tree
2676 * and where the value is expanded by a callback in this file) are listed here.
2677 * Only variables which are added by the caller go into the tree.
2678 */
2679 static const struct format_table_entry format_table[] = {
2680 { "active_window_index", FORMAT_TABLE_STRING,
2681 format_cb_active_window_index
2682 },
2683 { "alternate_on", FORMAT_TABLE_STRING,
2684 format_cb_alternate_on
2685 },
2686 { "alternate_saved_x", FORMAT_TABLE_STRING,
2687 format_cb_alternate_saved_x
2688 },
2689 { "alternate_saved_y", FORMAT_TABLE_STRING,
2690 format_cb_alternate_saved_y
2691 },
2692 { "buffer_created", FORMAT_TABLE_TIME,
2693 format_cb_buffer_created
2694 },
2695 { "buffer_mode_format", FORMAT_TABLE_STRING,
2696 format_cb_buffer_mode_format
2697 },
2698 { "buffer_name", FORMAT_TABLE_STRING,
2699 format_cb_buffer_name
2700 },
2701 { "buffer_sample", FORMAT_TABLE_STRING,
2702 format_cb_buffer_sample
2703 },
2704 { "buffer_size", FORMAT_TABLE_STRING,
2705 format_cb_buffer_size
2706 },
2707 { "client_activity", FORMAT_TABLE_TIME,
2708 format_cb_client_activity
2709 },
2710 { "client_cell_height", FORMAT_TABLE_STRING,
2711 format_cb_client_cell_height
2712 },
2713 { "client_cell_width", FORMAT_TABLE_STRING,
2714 format_cb_client_cell_width
2715 },
2716 { "client_control_mode", FORMAT_TABLE_STRING,
2717 format_cb_client_control_mode
2718 },
2719 { "client_created", FORMAT_TABLE_TIME,
2720 format_cb_client_created
2721 },
2722 { "client_discarded", FORMAT_TABLE_STRING,
2723 format_cb_client_discarded
2724 },
2725 { "client_flags", FORMAT_TABLE_STRING,
2726 format_cb_client_flags
2727 },
2728 { "client_height", FORMAT_TABLE_STRING,
2729 format_cb_client_height
2730 },
2731 { "client_key_table", FORMAT_TABLE_STRING,
2732 format_cb_client_key_table
2733 },
2734 { "client_last_session", FORMAT_TABLE_STRING,
2735 format_cb_client_last_session
2736 },
2737 { "client_mode_format", FORMAT_TABLE_STRING,
2738 format_cb_client_mode_format
2739 },
2740 { "client_name", FORMAT_TABLE_STRING,
2741 format_cb_client_name
2742 },
2743 { "client_pid", FORMAT_TABLE_STRING,
2744 format_cb_client_pid
2745 },
2746 { "client_prefix", FORMAT_TABLE_STRING,
2747 format_cb_client_prefix
2748 },
2749 { "client_readonly", FORMAT_TABLE_STRING,
2750 format_cb_client_readonly
2751 },
2752 { "client_session", FORMAT_TABLE_STRING,
2753 format_cb_client_session
2754 },
2755 { "client_termfeatures", FORMAT_TABLE_STRING,
2756 format_cb_client_termfeatures
2757 },
2758 { "client_termname", FORMAT_TABLE_STRING,
2759 format_cb_client_termname
2760 },
2761 { "client_termtype", FORMAT_TABLE_STRING,
2762 format_cb_client_termtype
2763 },
2764 { "client_tty", FORMAT_TABLE_STRING,
2765 format_cb_client_tty
2766 },
2767 { "client_uid", FORMAT_TABLE_STRING,
2768 format_cb_client_uid
2769 },
2770 { "client_user", FORMAT_TABLE_STRING,
2771 format_cb_client_user
2772 },
2773 { "client_utf8", FORMAT_TABLE_STRING,
2774 format_cb_client_utf8
2775 },
2776 { "client_width", FORMAT_TABLE_STRING,
2777 format_cb_client_width
2778 },
2779 { "client_written", FORMAT_TABLE_STRING,
2780 format_cb_client_written
2781 },
2782 { "config_files", FORMAT_TABLE_STRING,
2783 format_cb_config_files
2784 },
2785 { "cursor_character", FORMAT_TABLE_STRING,
2786 format_cb_cursor_character
2787 },
2788 { "cursor_flag", FORMAT_TABLE_STRING,
2789 format_cb_cursor_flag
2790 },
2791 { "cursor_x", FORMAT_TABLE_STRING,
2792 format_cb_cursor_x
2793 },
2794 { "cursor_y", FORMAT_TABLE_STRING,
2795 format_cb_cursor_y
2796 },
2797 { "history_all_bytes", FORMAT_TABLE_STRING,
2798 format_cb_history_all_bytes
2799 },
2800 { "history_bytes", FORMAT_TABLE_STRING,
2801 format_cb_history_bytes
2802 },
2803 { "history_limit", FORMAT_TABLE_STRING,
2804 format_cb_history_limit
2805 },
2806 { "history_size", FORMAT_TABLE_STRING,
2807 format_cb_history_size
2808 },
2809 { "host", FORMAT_TABLE_STRING,
2810 format_cb_host
2811 },
2812 { "host_short", FORMAT_TABLE_STRING,
2813 format_cb_host_short
2814 },
2815 { "insert_flag", FORMAT_TABLE_STRING,
2816 format_cb_insert_flag
2817 },
2818 { "keypad_cursor_flag", FORMAT_TABLE_STRING,
2819 format_cb_keypad_cursor_flag
2820 },
2821 { "keypad_flag", FORMAT_TABLE_STRING,
2822 format_cb_keypad_flag
2823 },
2824 { "last_window_index", FORMAT_TABLE_STRING,
2825 format_cb_last_window_index
2826 },
2827 { "mouse_all_flag", FORMAT_TABLE_STRING,
2828 format_cb_mouse_all_flag
2829 },
2830 { "mouse_any_flag", FORMAT_TABLE_STRING,
2831 format_cb_mouse_any_flag
2832 },
2833 { "mouse_button_flag", FORMAT_TABLE_STRING,
2834 format_cb_mouse_button_flag
2835 },
2836 { "mouse_hyperlink", FORMAT_TABLE_STRING,
2837 format_cb_mouse_hyperlink
2838 },
2839 { "mouse_line", FORMAT_TABLE_STRING,
2840 format_cb_mouse_line
2841 },
2842 { "mouse_pane", FORMAT_TABLE_STRING,
2843 format_cb_mouse_pane
2844 },
2845 { "mouse_sgr_flag", FORMAT_TABLE_STRING,
2846 format_cb_mouse_sgr_flag
2847 },
2848 { "mouse_standard_flag", FORMAT_TABLE_STRING,
2849 format_cb_mouse_standard_flag
2850 },
2851 { "mouse_utf8_flag", FORMAT_TABLE_STRING,
2852 format_cb_mouse_utf8_flag
2853 },
2854 { "mouse_word", FORMAT_TABLE_STRING,
2855 format_cb_mouse_word
2856 },
2857 { "mouse_x", FORMAT_TABLE_STRING,
2858 format_cb_mouse_x
2859 },
2860 { "mouse_y", FORMAT_TABLE_STRING,
2861 format_cb_mouse_y
2862 },
2863 { "next_session_id", FORMAT_TABLE_STRING,
2864 format_cb_next_session_id
2865 },
2866 { "origin_flag", FORMAT_TABLE_STRING,
2867 format_cb_origin_flag
2868 },
2869 { "pane_active", FORMAT_TABLE_STRING,
2870 format_cb_pane_active
2871 },
2872 { "pane_at_bottom", FORMAT_TABLE_STRING,
2873 format_cb_pane_at_bottom
2874 },
2875 { "pane_at_left", FORMAT_TABLE_STRING,
2876 format_cb_pane_at_left
2877 },
2878 { "pane_at_right", FORMAT_TABLE_STRING,
2879 format_cb_pane_at_right
2880 },
2881 { "pane_at_top", FORMAT_TABLE_STRING,
2882 format_cb_pane_at_top
2883 },
2884 { "pane_bg", FORMAT_TABLE_STRING,
2885 format_cb_pane_bg
2886 },
2887 { "pane_bottom", FORMAT_TABLE_STRING,
2888 format_cb_pane_bottom
2889 },
2890 { "pane_current_command", FORMAT_TABLE_STRING,
2891 format_cb_current_command
2892 },
2893 { "pane_current_path", FORMAT_TABLE_STRING,
2894 format_cb_current_path
2895 },
2896 { "pane_dead", FORMAT_TABLE_STRING,
2897 format_cb_pane_dead
2898 },
2899 { "pane_dead_signal", FORMAT_TABLE_STRING,
2900 format_cb_pane_dead_signal
2901 },
2902 { "pane_dead_status", FORMAT_TABLE_STRING,
2903 format_cb_pane_dead_status
2904 },
2905 { "pane_dead_time", FORMAT_TABLE_TIME,
2906 format_cb_pane_dead_time
2907 },
2908 { "pane_fg", FORMAT_TABLE_STRING,
2909 format_cb_pane_fg
2910 },
2911 { "pane_format", FORMAT_TABLE_STRING,
2912 format_cb_pane_format
2913 },
2914 { "pane_height", FORMAT_TABLE_STRING,
2915 format_cb_pane_height
2916 },
2917 { "pane_id", FORMAT_TABLE_STRING,
2918 format_cb_pane_id
2919 },
2920 { "pane_in_mode", FORMAT_TABLE_STRING,
2921 format_cb_pane_in_mode
2922 },
2923 { "pane_index", FORMAT_TABLE_STRING,
2924 format_cb_pane_index
2925 },
2926 { "pane_input_off", FORMAT_TABLE_STRING,
2927 format_cb_pane_input_off
2928 },
2929 { "pane_last", FORMAT_TABLE_STRING,
2930 format_cb_pane_last
2931 },
2932 { "pane_left", FORMAT_TABLE_STRING,
2933 format_cb_pane_left
2934 },
2935 { "pane_marked", FORMAT_TABLE_STRING,
2936 format_cb_pane_marked
2937 },
2938 { "pane_marked_set", FORMAT_TABLE_STRING,
2939 format_cb_pane_marked_set
2940 },
2941 { "pane_mode", FORMAT_TABLE_STRING,
2942 format_cb_pane_mode
2943 },
2944 { "pane_path", FORMAT_TABLE_STRING,
2945 format_cb_pane_path
2946 },
2947 { "pane_pid", FORMAT_TABLE_STRING,
2948 format_cb_pane_pid
2949 },
2950 { "pane_pipe", FORMAT_TABLE_STRING,
2951 format_cb_pane_pipe
2952 },
2953 { "pane_right", FORMAT_TABLE_STRING,
2954 format_cb_pane_right
2955 },
2956 { "pane_search_string", FORMAT_TABLE_STRING,
2957 format_cb_pane_search_string
2958 },
2959 { "pane_start_command", FORMAT_TABLE_STRING,
2960 format_cb_start_command
2961 },
2962 { "pane_start_path", FORMAT_TABLE_STRING,
2963 format_cb_start_path
2964 },
2965 { "pane_synchronized", FORMAT_TABLE_STRING,
2966 format_cb_pane_synchronized
2967 },
2968 { "pane_tabs", FORMAT_TABLE_STRING,
2969 format_cb_pane_tabs
2970 },
2971 { "pane_title", FORMAT_TABLE_STRING,
2972 format_cb_pane_title
2973 },
2974 { "pane_top", FORMAT_TABLE_STRING,
2975 format_cb_pane_top
2976 },
2977 { "pane_tty", FORMAT_TABLE_STRING,
2978 format_cb_pane_tty
2979 },
2980 { "pane_unseen_changes", FORMAT_TABLE_STRING,
2981 format_cb_pane_unseen_changes
2982 },
2983 { "pane_width", FORMAT_TABLE_STRING,
2984 format_cb_pane_width
2985 },
2986 { "pid", FORMAT_TABLE_STRING,
2987 format_cb_pid
2988 },
2989 { "scroll_region_lower", FORMAT_TABLE_STRING,
2990 format_cb_scroll_region_lower
2991 },
2992 { "scroll_region_upper", FORMAT_TABLE_STRING,
2993 format_cb_scroll_region_upper
2994 },
2995 { "server_sessions", FORMAT_TABLE_STRING,
2996 format_cb_server_sessions
2997 },
2998 { "session_activity", FORMAT_TABLE_TIME,
2999 format_cb_session_activity
3000 },
3001 { "session_alerts", FORMAT_TABLE_STRING,
3002 format_cb_session_alerts
3003 },
3004 { "session_attached", FORMAT_TABLE_STRING,
3005 format_cb_session_attached
3006 },
3007 { "session_attached_list", FORMAT_TABLE_STRING,
3008 format_cb_session_attached_list
3009 },
3010 { "session_created", FORMAT_TABLE_TIME,
3011 format_cb_session_created
3012 },
3013 { "session_format", FORMAT_TABLE_STRING,
3014 format_cb_session_format
3015 },
3016 { "session_group", FORMAT_TABLE_STRING,
3017 format_cb_session_group
3018 },
3019 { "session_group_attached", FORMAT_TABLE_STRING,
3020 format_cb_session_group_attached
3021 },
3022 { "session_group_attached_list", FORMAT_TABLE_STRING,
3023 format_cb_session_group_attached_list
3024 },
3025 { "session_group_list", FORMAT_TABLE_STRING,
3026 format_cb_session_group_list
3027 },
3028 { "session_group_many_attached", FORMAT_TABLE_STRING,
3029 format_cb_session_group_many_attached
3030 },
3031 { "session_group_size", FORMAT_TABLE_STRING,
3032 format_cb_session_group_size
3033 },
3034 { "session_grouped", FORMAT_TABLE_STRING,
3035 format_cb_session_grouped
3036 },
3037 { "session_id", FORMAT_TABLE_STRING,
3038 format_cb_session_id
3039 },
3040 { "session_last_attached", FORMAT_TABLE_TIME,
3041 format_cb_session_last_attached
3042 },
3043 { "session_many_attached", FORMAT_TABLE_STRING,
3044 format_cb_session_many_attached
3045 },
3046 { "session_marked", FORMAT_TABLE_STRING,
3047 format_cb_session_marked,
3048 },
3049 { "session_name", FORMAT_TABLE_STRING,
3050 format_cb_session_name
3051 },
3052 { "session_path", FORMAT_TABLE_STRING,
3053 format_cb_session_path
3054 },
3055 { "session_stack", FORMAT_TABLE_STRING,
3056 format_cb_session_stack
3057 },
3058 { "session_windows", FORMAT_TABLE_STRING,
3059 format_cb_session_windows
3060 },
3061 { "socket_path", FORMAT_TABLE_STRING,
3062 format_cb_socket_path
3063 },
3064 { "start_time", FORMAT_TABLE_TIME,
3065 format_cb_start_time
3066 },
3067 { "tree_mode_format", FORMAT_TABLE_STRING,
3068 format_cb_tree_mode_format
3069 },
3070 { "uid", FORMAT_TABLE_STRING,
3071 format_cb_uid
3072 },
3073 { "user", FORMAT_TABLE_STRING,
3074 format_cb_user
3075 },
3076 { "version", FORMAT_TABLE_STRING,
3077 format_cb_version
3078 },
3079 { "window_active", FORMAT_TABLE_STRING,
3080 format_cb_window_active
3081 },
3082 { "window_active_clients", FORMAT_TABLE_STRING,
3083 format_cb_window_active_clients
3084 },
3085 { "window_active_clients_list", FORMAT_TABLE_STRING,
3086 format_cb_window_active_clients_list
3087 },
3088 { "window_active_sessions", FORMAT_TABLE_STRING,
3089 format_cb_window_active_sessions
3090 },
3091 { "window_active_sessions_list", FORMAT_TABLE_STRING,
3092 format_cb_window_active_sessions_list
3093 },
3094 { "window_activity", FORMAT_TABLE_TIME,
3095 format_cb_window_activity
3096 },
3097 { "window_activity_flag", FORMAT_TABLE_STRING,
3098 format_cb_window_activity_flag
3099 },
3100 { "window_bell_flag", FORMAT_TABLE_STRING,
3101 format_cb_window_bell_flag
3102 },
3103 { "window_bigger", FORMAT_TABLE_STRING,
3104 format_cb_window_bigger
3105 },
3106 { "window_cell_height", FORMAT_TABLE_STRING,
3107 format_cb_window_cell_height
3108 },
3109 { "window_cell_width", FORMAT_TABLE_STRING,
3110 format_cb_window_cell_width
3111 },
3112 { "window_end_flag", FORMAT_TABLE_STRING,
3113 format_cb_window_end_flag
3114 },
3115 { "window_flags", FORMAT_TABLE_STRING,
3116 format_cb_window_flags
3117 },
3118 { "window_format", FORMAT_TABLE_STRING,
3119 format_cb_window_format
3120 },
3121 { "window_height", FORMAT_TABLE_STRING,
3122 format_cb_window_height
3123 },
3124 { "window_id", FORMAT_TABLE_STRING,
3125 format_cb_window_id
3126 },
3127 { "window_index", FORMAT_TABLE_STRING,
3128 format_cb_window_index
3129 },
3130 { "window_last_flag", FORMAT_TABLE_STRING,
3131 format_cb_window_last_flag
3132 },
3133 { "window_layout", FORMAT_TABLE_STRING,
3134 format_cb_window_layout
3135 },
3136 { "window_linked", FORMAT_TABLE_STRING,
3137 format_cb_window_linked
3138 },
3139 { "window_linked_sessions", FORMAT_TABLE_STRING,
3140 format_cb_window_linked_sessions
3141 },
3142 { "window_linked_sessions_list", FORMAT_TABLE_STRING,
3143 format_cb_window_linked_sessions_list
3144 },
3145 { "window_marked_flag", FORMAT_TABLE_STRING,
3146 format_cb_window_marked_flag
3147 },
3148 { "window_name", FORMAT_TABLE_STRING,
3149 format_cb_window_name
3150 },
3151 { "window_offset_x", FORMAT_TABLE_STRING,
3152 format_cb_window_offset_x
3153 },
3154 { "window_offset_y", FORMAT_TABLE_STRING,
3155 format_cb_window_offset_y
3156 },
3157 { "window_panes", FORMAT_TABLE_STRING,
3158 format_cb_window_panes
3159 },
3160 { "window_raw_flags", FORMAT_TABLE_STRING,
3161 format_cb_window_raw_flags
3162 },
3163 { "window_silence_flag", FORMAT_TABLE_STRING,
3164 format_cb_window_silence_flag
3165 },
3166 { "window_stack_index", FORMAT_TABLE_STRING,
3167 format_cb_window_stack_index
3168 },
3169 { "window_start_flag", FORMAT_TABLE_STRING,
3170 format_cb_window_start_flag
3171 },
3172 { "window_visible_layout", FORMAT_TABLE_STRING,
3173 format_cb_window_visible_layout
3174 },
3175 { "window_width", FORMAT_TABLE_STRING,
3176 format_cb_window_width
3177 },
3178 { "window_zoomed_flag", FORMAT_TABLE_STRING,
3179 format_cb_window_zoomed_flag
3180 },
3181 { "wrap_flag", FORMAT_TABLE_STRING,
3182 format_cb_wrap_flag
3183 }
3184 };
3185
3186 /* Compare format table entries. */
3187 static int
3188 format_table_compare(const void *key0, const void *entry0)
3189 {
3190 const char *key = key0;
3191 const struct format_table_entry *entry = entry0;
3192
3193 return (strcmp(key, entry->key));
3194 }
3195
3196 /* Get a format callback. */
3197 static struct format_table_entry *
3198 format_table_get(const char *key)
3199 {
3200 return (bsearch(key, format_table, nitems(format_table),
3201 sizeof *format_table, format_table_compare));
3202 }
3203
3204 /* Merge one format tree into another. */
3205 void
3206 format_merge(struct format_tree *ft, struct format_tree *from)
3207 {
3208 struct format_entry *fe;
3209
3210 RB_FOREACH(fe, format_entry_tree, &from->tree) {
3211 if (fe->value != NULL)
3212 format_add(ft, fe->key, "%s", fe->value);
3213 }
3214 }
3215
3216 /* Get format pane. */
3217 struct window_pane *
3218 format_get_pane(struct format_tree *ft)
3219 {
3220 return (ft->wp);
3221 }
3222
3223 /* Add item bits to tree. */
3224 static void
3225 format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
3226 {
3227 struct key_event *event = cmdq_get_event(item);
3228 struct mouse_event *m = &event->m;
3229
3230 cmdq_merge_formats(item, ft);
3231 memcpy(&ft->m, m, sizeof ft->m);
3232 }
3233
3234 /* Create a new tree. */
3235 struct format_tree *
3236 format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
3237 {
3238 struct format_tree *ft;
3239
3240 ft = xcalloc(1, sizeof *ft);
3241 RB_INIT(&ft->tree);
3242
3243 if (c != NULL) {
3244 ft->client = c;
3245 ft->client->references++;
3246 }
3247 ft->item = item;
3248
3249 ft->tag = tag;
3250 ft->flags = flags;
3251
3252 if (item != NULL)
3253 format_create_add_item(ft, item);
3254
3255 return (ft);
3256 }
3257
3258 /* Free a tree. */
3259 void
3260 format_free(struct format_tree *ft)
3261 {
3262 struct format_entry *fe, *fe1;
3263
3264 RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
3265 RB_REMOVE(format_entry_tree, &ft->tree, fe);
3266 free(fe->value);
3267 free(fe->key);
3268 free(fe);
3269 }
3270
3271 if (ft->client != NULL)
3272 server_client_unref(ft->client);
3273 free(ft);
3274 }
3275
3276 /* Log each format. */
3277 static void
3278 format_log_debug_cb(const char *key, const char *value, void *arg)
3279 {
3280 const char *prefix = arg;
3281
3282 log_debug("%s: %s=%s", prefix, key, value);
3283 }
3284
3285 /* Log a format tree. */
3286 void
3287 format_log_debug(struct format_tree *ft, const char *prefix)
3288 {
3289 format_each(ft, format_log_debug_cb, (void *)prefix);
3290 }
3291
3292 /* Walk each format. */
3293 void
3294 format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
3295 void *), void *arg)
3296 {
3297 const struct format_table_entry *fte;
3298 struct format_entry *fe;
3299 u_int i;
3300 char s[64];
3301 void *value;
3302 struct timeval *tv;
3303
3304 for (i = 0; i < nitems(format_table); i++) {
3305 fte = &format_table[i];
3306
3307 value = fte->cb(ft);
3308 if (value == NULL)
3309 continue;
3310 if (fte->type == FORMAT_TABLE_TIME) {
3311 tv = value;
3312 xsnprintf(s, sizeof s, "%lld", (long long)tv->tv_sec);
3313 cb(fte->key, s, arg);
3314 } else {
3315 cb(fte->key, value, arg);
3316 free(value);
3317 }
3318 }
3319 RB_FOREACH(fe, format_entry_tree, &ft->tree) {
3320 if (fe->time != 0) {
3321 xsnprintf(s, sizeof s, "%lld", (long long)fe->time);
3322 cb(fe->key, s, arg);
3323 } else {
3324 if (fe->value == NULL && fe->cb != NULL) {
3325 fe->value = fe->cb(ft);
3326 if (fe->value == NULL)
3327 fe->value = xstrdup("");
3328 }
3329 cb(fe->key, fe->value, arg);
3330 }
3331 }
3332 }
3333
3334 /* Add a key-value pair. */
3335 void
3336 format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
3337 {
3338 struct format_entry *fe;
3339 struct format_entry *fe_now;
3340 va_list ap;
3341
3342 fe = xmalloc(sizeof *fe);
3343 fe->key = xstrdup(key);
3344
3345 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3346 if (fe_now != NULL) {
3347 free(fe->key);
3348 free(fe);
3349 free(fe_now->value);
3350 fe = fe_now;
3351 }
3352
3353 fe->cb = NULL;
3354 fe->time = 0;
3355
3356 va_start(ap, fmt);
3357 xvasprintf(&fe->value, fmt, ap);
3358 va_end(ap);
3359 }
3360
3361 /* Add a key and time. */
3362 void
3363 format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
3364 {
3365 struct format_entry *fe, *fe_now;
3366
3367 fe = xmalloc(sizeof *fe);
3368 fe->key = xstrdup(key);
3369
3370 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3371 if (fe_now != NULL) {
3372 free(fe->key);
3373 free(fe);
3374 free(fe_now->value);
3375 fe = fe_now;
3376 }
3377
3378 fe->cb = NULL;
3379 fe->time = tv->tv_sec;
3380
3381 fe->value = NULL;
3382 }
3383
3384 /* Add a key and function. */
3385 void
3386 format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
3387 {
3388 struct format_entry *fe;
3389 struct format_entry *fe_now;
3390
3391 fe = xmalloc(sizeof *fe);
3392 fe->key = xstrdup(key);
3393
3394 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3395 if (fe_now != NULL) {
3396 free(fe->key);
3397 free(fe);
3398 free(fe_now->value);
3399 fe = fe_now;
3400 }
3401
3402 fe->cb = cb;
3403 fe->time = 0;
3404
3405 fe->value = NULL;
3406 }
3407
3408 /* Quote shell special characters in string. */
3409 static char *
3410 format_quote_shell(const char *s)
3411 {
3412 const char *cp;
3413 char *out, *at;
3414
3415 at = out = xmalloc(strlen(s) * 2 + 1);
3416 for (cp = s; *cp != '\0'; cp++) {
3417 if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
3418 *at++ = '\\';
3419 *at++ = *cp;
3420 }
3421 *at = '\0';
3422 return (out);
3423 }
3424
3425 /* Quote #s in string. */
3426 static char *
3427 format_quote_style(const char *s)
3428 {
3429 const char *cp;
3430 char *out, *at;
3431
3432 at = out = xmalloc(strlen(s) * 2 + 1);
3433 for (cp = s; *cp != '\0'; cp++) {
3434 if (*cp == '#')
3435 *at++ = '#';
3436 *at++ = *cp;
3437 }
3438 *at = '\0';
3439 return (out);
3440 }
3441
3442 /* Make a prettier time. */
3443 char *
3444 format_pretty_time(time_t t, int seconds)
3445 {
3446 struct tm now_tm, tm;
3447 time_t now, age;
3448 char s[9];
3449
3450 time(&now);
3451 if (now < t)
3452 now = t;
3453 age = now - t;
3454
3455 localtime_r(&now, &now_tm);
3456 localtime_r(&t, &tm);
3457
3458 /* Last 24 hours. */
3459 if (age < 24 * 3600) {
3460 if (seconds)
3461 strftime(s, sizeof s, "%H:%M:%S", &tm);
3462 else
3463 strftime(s, sizeof s, "%H:%M", &tm);
3464 return (xstrdup(s));
3465 }
3466
3467 /* This month or last 28 days. */
3468 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon == now_tm.tm_mon) ||
3469 age < 28 * 24 * 3600) {
3470 strftime(s, sizeof s, "%a%d", &tm);
3471 return (xstrdup(s));
3472 }
3473
3474 /* Last 12 months. */
3475 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon < now_tm.tm_mon) ||
3476 (tm.tm_year == now_tm.tm_year - 1 && tm.tm_mon > now_tm.tm_mon)) {
3477 strftime(s, sizeof s, "%d%b", &tm);
3478 return (xstrdup(s));
3479 }
3480
3481 /* Older than that. */
3482 strftime(s, sizeof s, "%h%y", &tm);
3483 return (xstrdup(s));
3484 }
3485
3486 /* Find a format entry. */
3487 static char *
3488 format_find(struct format_tree *ft, const char *key, int modifiers,
3489 const char *time_format)
3490 {
3491 struct format_table_entry *fte;
3492 void *value;
3493 struct format_entry *fe, fe_find;
3494 struct environ_entry *envent;
3495 struct options_entry *o;
3496 int idx;
3497 char *found = NULL, *saved, s[512];
3498 const char *errstr;
3499 time_t t = 0;
3500 struct tm tm;
3501
3502 o = options_parse_get(global_options, key, &idx, 0);
3503 if (o == NULL && ft->wp != NULL)
3504 o = options_parse_get(ft->wp->options, key, &idx, 0);
3505 if (o == NULL && ft->w != NULL)
3506 o = options_parse_get(ft->w->options, key, &idx, 0);
3507 if (o == NULL)
3508 o = options_parse_get(global_w_options, key, &idx, 0);
3509 if (o == NULL && ft->s != NULL)
3510 o = options_parse_get(ft->s->options, key, &idx, 0);
3511 if (o == NULL)
3512 o = options_parse_get(global_s_options, key, &idx, 0);
3513 if (o != NULL) {
3514 found = options_to_string(o, idx, 1);
3515 goto found;
3516 }
3517
3518 fte = format_table_get(key);
3519 if (fte != NULL) {
3520 value = fte->cb(ft);
3521 if (fte->type == FORMAT_TABLE_TIME && value != NULL)
3522 t = ((struct timeval *)value)->tv_sec;
3523 else
3524 found = value;
3525 goto found;
3526 }
3527 fe_find.key = (char *)key;
3528 fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
3529 if (fe != NULL) {
3530 if (fe->time != 0) {
3531 t = fe->time;
3532 goto found;
3533 }
3534 if (fe->value == NULL && fe->cb != NULL) {
3535 fe->value = fe->cb(ft);
3536 if (fe->value == NULL)
3537 fe->value = xstrdup("");
3538 }
3539 found = xstrdup(fe->value);
3540 goto found;
3541 }
3542
3543 if (~modifiers & FORMAT_TIMESTRING) {
3544 envent = NULL;
3545 if (ft->s != NULL)
3546 envent = environ_find(ft->s->environ, key);
3547 if (envent == NULL)
3548 envent = environ_find(global_environ, key);
3549 if (envent != NULL && envent->value != NULL) {
3550 found = xstrdup(envent->value);
3551 goto found;
3552 }
3553 }
3554
3555 return (NULL);
3556
3557 found:
3558 if (modifiers & FORMAT_TIMESTRING) {
3559 if (t == 0 && found != NULL) {
3560 t = strtonum(found, 0, INT64_MAX, &errstr);
3561 if (errstr != NULL)
3562 t = 0;
3563 free(found);
3564 }
3565 if (t == 0)
3566 return (NULL);
3567 if (modifiers & FORMAT_PRETTY)
3568 found = format_pretty_time(t, 0);
3569 else {
3570 if (time_format != NULL) {
3571 localtime_r(&t, &tm);
3572 strftime(s, sizeof s, time_format, &tm);
3573 } else {
3574 ctime_r(&t, s);
3575 s[strcspn(s, "\n")] = '\0';
3576 }
3577 found = xstrdup(s);
3578 }
3579 return (found);
3580 }
3581
3582 if (t != 0)
3583 xasprintf(&found, "%lld", (long long)t);
3584 else if (found == NULL)
3585 return (NULL);
3586 if (modifiers & FORMAT_BASENAME) {
3587 saved = found;
3588 found = xstrdup(basename(saved));
3589 free(saved);
3590 }
3591 if (modifiers & FORMAT_DIRNAME) {
3592 saved = found;
3593 found = xstrdup(dirname(saved));
3594 free(saved);
3595 }
3596 if (modifiers & FORMAT_QUOTE_SHELL) {
3597 saved = found;
3598 found = format_quote_shell(saved);
3599 free(saved);
3600 }
3601 if (modifiers & FORMAT_QUOTE_STYLE) {
3602 saved = found;
3603 found = format_quote_style(saved);
3604 free(saved);
3605 }
3606 return (found);
3607 }
3608
3609 /* Unescape escaped characters. */
3610 static char *
3611 format_unescape(const char *s)
3612 {
3613 char *out, *cp;
3614 int brackets = 0;
3615
3616 cp = out = xmalloc(strlen(s) + 1);
3617 for (; *s != '\0'; s++) {
3618 if (*s == '#' && s[1] == '{')
3619 brackets++;
3620 if (brackets == 0 &&
3621 *s == '#' &&
3622 strchr(",#{}:", s[1]) != NULL) {
3623 *cp++ = *++s;
3624 continue;
3625 }
3626 if (*s == '}')
3627 brackets--;
3628 *cp++ = *s;
3629 }
3630 *cp = '\0';
3631 return (out);
3632 }
3633
3634 /* Remove escaped characters. */
3635 static char *
3636 format_strip(const char *s)
3637 {
3638 char *out, *cp;
3639 int brackets = 0;
3640
3641 cp = out = xmalloc(strlen(s) + 1);
3642 for (; *s != '\0'; s++) {
3643 if (*s == '#' && s[1] == '{')
3644 brackets++;
3645 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3646 if (brackets != 0)
3647 *cp++ = *s;
3648 continue;
3649 }
3650 if (*s == '}')
3651 brackets--;
3652 *cp++ = *s;
3653 }
3654 *cp = '\0';
3655 return (out);
3656 }
3657
3658 /* Skip until end. */
3659 const char *
3660 format_skip(const char *s, const char *end)
3661 {
3662 int brackets = 0;
3663
3664 for (; *s != '\0'; s++) {
3665 if (*s == '#' && s[1] == '{')
3666 brackets++;
3667 if (*s == '#' &&
3668 s[1] != '\0' &&
3669 strchr(",#{}:", s[1]) != NULL) {
3670 s++;
3671 continue;
3672 }
3673 if (*s == '}')
3674 brackets--;
3675 if (strchr(end, *s) != NULL && brackets == 0)
3676 break;
3677 }
3678 if (*s == '\0')
3679 return (NULL);
3680 return (s);
3681 }
3682
3683 /* Return left and right alternatives separated by commas. */
3684 static int
3685 format_choose(struct format_expand_state *es, const char *s, char **left,
3686 char **right, int expand)
3687 {
3688 const char *cp;
3689 char *left0, *right0;
3690
3691 cp = format_skip(s, ",");
3692 if (cp == NULL)
3693 return (-1);
3694 left0 = xstrndup(s, cp - s);
3695 right0 = xstrdup(cp + 1);
3696
3697 if (expand) {
3698 *left = format_expand1(es, left0);
3699 free(left0);
3700 *right = format_expand1(es, right0);
3701 free(right0);
3702 } else {
3703 *left = left0;
3704 *right = right0;
3705 }
3706 return (0);
3707 }
3708
3709 /* Is this true? */
3710 int
3711 format_true(const char *s)
3712 {
3713 if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
3714 return (1);
3715 return (0);
3716 }
3717
3718 /* Check if modifier end. */
3719 static int
3720 format_is_end(char c)
3721 {
3722 return (c == ';' || c == ':');
3723 }
3724
3725 /* Add to modifier list. */
3726 static void
3727 format_add_modifier(struct format_modifier **list, u_int *count,
3728 const char *c, size_t n, char **argv, int argc)
3729 {
3730 struct format_modifier *fm;
3731
3732 *list = xreallocarray(*list, (*count) + 1, sizeof **list);
3733 fm = &(*list)[(*count)++];
3734
3735 memcpy(fm->modifier, c, n);
3736 fm->modifier[n] = '\0';
3737 fm->size = n;
3738
3739 fm->argv = argv;
3740 fm->argc = argc;
3741 }
3742
3743 /* Free modifier list. */
3744 static void
3745 format_free_modifiers(struct format_modifier *list, u_int count)
3746 {
3747 u_int i;
3748
3749 for (i = 0; i < count; i++)
3750 cmd_free_argv(list[i].argc, list[i].argv);
3751 free(list);
3752 }
3753
3754 /* Build modifier list. */
3755 static struct format_modifier *
3756 format_build_modifiers(struct format_expand_state *es, const char **s,
3757 u_int *count)
3758 {
3759 const char *cp = *s, *end;
3760 struct format_modifier *list = NULL;
3761 char c, last[] = "X;:", **argv, *value;
3762 int argc;
3763
3764 /*
3765 * Modifiers are a ; separated list of the forms:
3766 * l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,<,>
3767 * =a
3768 * =/a
3769 * =/a/
3770 * s/a/b/
3771 * s/a/b
3772 * ||,&&,!=,==,<=,>=
3773 */
3774
3775 *count = 0;
3776
3777 while (*cp != '\0' && *cp != ':') {
3778 /* Skip any separator character. */
3779 if (*cp == ';')
3780 cp++;
3781
3782 /* Check single character modifiers with no arguments. */
3783 if (strchr("labcdnwETSWPL<>", cp[0]) != NULL &&
3784 format_is_end(cp[1])) {
3785 format_add_modifier(&list, count, cp, 1, NULL, 0);
3786 cp++;
3787 continue;
3788 }
3789
3790 /* Then try double character with no arguments. */
3791 if ((memcmp("||", cp, 2) == 0 ||
3792 memcmp("&&", cp, 2) == 0 ||
3793 memcmp("!=", cp, 2) == 0 ||
3794 memcmp("==", cp, 2) == 0 ||
3795 memcmp("<=", cp, 2) == 0 ||
3796 memcmp(">=", cp, 2) == 0) &&
3797 format_is_end(cp[2])) {
3798 format_add_modifier(&list, count, cp, 2, NULL, 0);
3799 cp += 2;
3800 continue;
3801 }
3802
3803 /* Now try single character with arguments. */
3804 if (strchr("mCNst=peq", cp[0]) == NULL)
3805 break;
3806 c = cp[0];
3807
3808 /* No arguments provided. */
3809 if (format_is_end(cp[1])) {
3810 format_add_modifier(&list, count, cp, 1, NULL, 0);
3811 cp++;
3812 continue;
3813 }
3814 argv = NULL;
3815 argc = 0;
3816
3817 /* Single argument with no wrapper character. */
3818 if (!ispunct((u_char)cp[1]) || cp[1] == '-') {
3819 end = format_skip(cp + 1, ":;");
3820 if (end == NULL)
3821 break;
3822
3823 argv = xcalloc(1, sizeof *argv);
3824 value = xstrndup(cp + 1, end - (cp + 1));
3825 argv[0] = format_expand1(es, value);
3826 free(value);
3827 argc = 1;
3828
3829 format_add_modifier(&list, count, &c, 1, argv, argc);
3830 cp = end;
3831 continue;
3832 }
3833
3834 /* Multiple arguments with a wrapper character. */
3835 last[0] = cp[1];
3836 cp++;
3837 do {
3838 if (cp[0] == last[0] && format_is_end(cp[1])) {
3839 cp++;
3840 break;
3841 }
3842 end = format_skip(cp + 1, last);
3843 if (end == NULL)
3844 break;
3845 cp++;
3846
3847 argv = xreallocarray(argv, argc + 1, sizeof *argv);
3848 value = xstrndup(cp, end - cp);
3849 argv[argc++] = format_expand1(es, value);
3850 free(value);
3851
3852 cp = end;
3853 } while (!format_is_end(cp[0]));
3854 format_add_modifier(&list, count, &c, 1, argv, argc);
3855 }
3856 if (*cp != ':') {
3857 format_free_modifiers(list, *count);
3858 *count = 0;
3859 return (NULL);
3860 }
3861 *s = cp + 1;
3862 return (list);
3863 }
3864
3865 /* Match against an fnmatch(3) pattern or regular expression. */
3866 static char *
3867 format_match(struct format_modifier *fm, const char *pattern, const char *text)
3868 {
3869 const char *s = "";
3870 regex_t r;
3871 int flags = 0;
3872
3873 if (fm->argc >= 1)
3874 s = fm->argv[0];
3875 if (strchr(s, 'r') == NULL) {
3876 if (strchr(s, 'i') != NULL)
3877 flags |= FNM_CASEFOLD;
3878 if (fnmatch(pattern, text, flags) != 0)
3879 return (xstrdup("0"));
3880 } else {
3881 flags = REG_EXTENDED|REG_NOSUB;
3882 if (strchr(s, 'i') != NULL)
3883 flags |= REG_ICASE;
3884 if (regcomp(&r, pattern, flags) != 0)
3885 return (xstrdup("0"));
3886 if (regexec(&r, text, 0, NULL, 0) != 0) {
3887 regfree(&r);
3888 return (xstrdup("0"));
3889 }
3890 regfree(&r);
3891 }
3892 return (xstrdup("1"));
3893 }
3894
3895 /* Perform substitution in string. */
3896 static char *
3897 format_sub(struct format_modifier *fm, const char *text, const char *pattern,
3898 const char *with)
3899 {
3900 char *value;
3901 int flags = REG_EXTENDED;
3902
3903 if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
3904 flags |= REG_ICASE;
3905 value = regsub(pattern, with, text, flags);
3906 if (value == NULL)
3907 return (xstrdup(text));
3908 return (value);
3909 }
3910
3911 /* Search inside pane. */
3912 static char *
3913 format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
3914 {
3915 int ignore = 0, regex = 0;
3916 char *value;
3917
3918 if (fm->argc >= 1) {
3919 if (strchr(fm->argv[0], 'i') != NULL)
3920 ignore = 1;
3921 if (strchr(fm->argv[0], 'r') != NULL)
3922 regex = 1;
3923 }
3924 xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
3925 return (value);
3926 }
3927
3928 /* Does session name exist? */
3929 static char *
3930 format_session_name(struct format_expand_state *es, const char *fmt)
3931 {
3932 char *name;
3933 struct session *s;
3934
3935 name = format_expand1(es, fmt);
3936 RB_FOREACH(s, sessions, &sessions) {
3937 if (strcmp(s->name, name) == 0) {
3938 free(name);
3939 return (xstrdup("1"));
3940 }
3941 }
3942 free(name);
3943 return (xstrdup("0"));
3944 }
3945
3946 /* Loop over sessions. */
3947 static char *
3948 format_loop_sessions(struct format_expand_state *es, const char *fmt)
3949 {
3950 struct format_tree *ft = es->ft;
3951 struct client *c = ft->client;
3952 struct cmdq_item *item = ft->item;
3953 struct format_tree *nft;
3954 struct format_expand_state next;
3955 char *expanded, *value;
3956 size_t valuelen;
3957 struct session *s;
3958
3959 value = xcalloc(1, 1);
3960 valuelen = 1;
3961
3962 RB_FOREACH(s, sessions, &sessions) {
3963 format_log(es, "session loop: $%u", s->id);
3964 nft = format_create(c, item, FORMAT_NONE, ft->flags);
3965 format_defaults(nft, ft->c, s, NULL, NULL);
3966 format_copy_state(&next, es, 0);
3967 next.ft = nft;
3968 expanded = format_expand1(&next, fmt);
3969 format_free(next.ft);
3970
3971 valuelen += strlen(expanded);
3972 value = xrealloc(value, valuelen);
3973
3974 strlcat(value, expanded, valuelen);
3975 free(expanded);
3976 }
3977
3978 return (value);
3979 }
3980
3981 /* Does window name exist? */
3982 static char *
3983 format_window_name(struct format_expand_state *es, const char *fmt)
3984 {
3985 struct format_tree *ft = es->ft;
3986 char *name;
3987 struct winlink *wl;
3988
3989 if (ft->s == NULL) {
3990 format_log(es, "window name but no session");
3991 return (NULL);
3992 }
3993
3994 name = format_expand1(es, fmt);
3995 RB_FOREACH(wl, winlinks, &ft->s->windows) {
3996 if (strcmp(wl->window->name, name) == 0) {
3997 free(name);
3998 return (xstrdup("1"));
3999 }
4000 }
4001 free(name);
4002 return (xstrdup("0"));
4003 }
4004
4005 /* Loop over windows. */
4006 static char *
4007 format_loop_windows(struct format_expand_state *es, const char *fmt)
4008 {
4009 struct format_tree *ft = es->ft;
4010 struct client *c = ft->client;
4011 struct cmdq_item *item = ft->item;
4012 struct format_tree *nft;
4013 struct format_expand_state next;
4014 char *all, *active, *use, *expanded, *value;
4015 size_t valuelen;
4016 struct winlink *wl;
4017 struct window *w;
4018
4019 if (ft->s == NULL) {
4020 format_log(es, "window loop but no session");
4021 return (NULL);
4022 }
4023
4024 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4025 all = xstrdup(fmt);
4026 active = NULL;
4027 }
4028
4029 value = xcalloc(1, 1);
4030 valuelen = 1;
4031
4032 RB_FOREACH(wl, winlinks, &ft->s->windows) {
4033 w = wl->window;
4034 format_log(es, "window loop: %u @%u", wl->idx, w->id);
4035 if (active != NULL && wl == ft->s->curw)
4036 use = active;
4037 else
4038 use = all;
4039 nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
4040 format_defaults(nft, ft->c, ft->s, wl, NULL);
4041 format_copy_state(&next, es, 0);
4042 next.ft = nft;
4043 expanded = format_expand1(&next, use);
4044 format_free(nft);
4045
4046 valuelen += strlen(expanded);
4047 value = xrealloc(value, valuelen);
4048
4049 strlcat(value, expanded, valuelen);
4050 free(expanded);
4051 }
4052
4053 free(active);
4054 free(all);
4055
4056 return (value);
4057 }
4058
4059 /* Loop over panes. */
4060 static char *
4061 format_loop_panes(struct format_expand_state *es, const char *fmt)
4062 {
4063 struct format_tree *ft = es->ft;
4064 struct client *c = ft->client;
4065 struct cmdq_item *item = ft->item;
4066 struct format_tree *nft;
4067 struct format_expand_state next;
4068 char *all, *active, *use, *expanded, *value;
4069 size_t valuelen;
4070 struct window_pane *wp;
4071
4072 if (ft->w == NULL) {
4073 format_log(es, "pane loop but no window");
4074 return (NULL);
4075 }
4076
4077 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4078 all = xstrdup(fmt);
4079 active = NULL;
4080 }
4081
4082 value = xcalloc(1, 1);
4083 valuelen = 1;
4084
4085 TAILQ_FOREACH(wp, &ft->w->panes, entry) {
4086 format_log(es, "pane loop: %%%u", wp->id);
4087 if (active != NULL && wp == ft->w->active)
4088 use = active;
4089 else
4090 use = all;
4091 nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
4092 format_defaults(nft, ft->c, ft->s, ft->wl, wp);
4093 format_copy_state(&next, es, 0);
4094 next.ft = nft;
4095 expanded = format_expand1(&next, use);
4096 format_free(nft);
4097
4098 valuelen += strlen(expanded);
4099 value = xrealloc(value, valuelen);
4100
4101 strlcat(value, expanded, valuelen);
4102 free(expanded);
4103 }
4104
4105 free(active);
4106 free(all);
4107
4108 return (value);
4109 }
4110
4111 /* Loop over clients. */
4112 static char *
4113 format_loop_clients(struct format_expand_state *es, const char *fmt)
4114 {
4115 struct format_tree *ft = es->ft;
4116 struct client *c = ft->client;
4117 struct cmdq_item *item = ft->item;
4118 struct format_tree *nft;
4119 struct format_expand_state next;
4120 char *expanded, *value;
4121 size_t valuelen;
4122
4123 value = xcalloc(1, 1);
4124 valuelen = 1;
4125
4126 TAILQ_FOREACH(c, &clients, entry) {
4127 format_log(es, "client loop: %s", c->name);
4128 nft = format_create(c, item, 0, ft->flags);
4129 format_defaults(nft, c, ft->s, ft->wl, ft->wp);
4130 format_copy_state(&next, es, 0);
4131 next.ft = nft;
4132 expanded = format_expand1(&next, fmt);
4133 format_free(nft);
4134
4135 valuelen += strlen(expanded);
4136 value = xrealloc(value, valuelen);
4137
4138 strlcat(value, expanded, valuelen);
4139 free(expanded);
4140 }
4141
4142 return (value);
4143 }
4144
4145 static char *
4146 format_replace_expression(struct format_modifier *mexp,
4147 struct format_expand_state *es, const char *copy)
4148 {
4149 int argc = mexp->argc;
4150 const char *errstr;
4151 char *endch, *value, *left = NULL, *right = NULL;
4152 int use_fp = 0;
4153 u_int prec = 0;
4154 double mleft, mright, result;
4155 enum { ADD,
4156 SUBTRACT,
4157 MULTIPLY,
4158 DIVIDE,
4159 MODULUS,
4160 EQUAL,
4161 NOT_EQUAL,
4162 GREATER_THAN,
4163 GREATER_THAN_EQUAL,
4164 LESS_THAN,
4165 LESS_THAN_EQUAL } operator;
4166
4167 if (strcmp(mexp->argv[0], "+") == 0)
4168 operator = ADD;
4169 else if (strcmp(mexp->argv[0], "-") == 0)
4170 operator = SUBTRACT;
4171 else if (strcmp(mexp->argv[0], "*") == 0)
4172 operator = MULTIPLY;
4173 else if (strcmp(mexp->argv[0], "/") == 0)
4174 operator = DIVIDE;
4175 else if (strcmp(mexp->argv[0], "%") == 0 ||
4176 strcmp(mexp->argv[0], "m") == 0)
4177 operator = MODULUS;
4178 else if (strcmp(mexp->argv[0], "==") == 0)
4179 operator = EQUAL;
4180 else if (strcmp(mexp->argv[0], "!=") == 0)
4181 operator = NOT_EQUAL;
4182 else if (strcmp(mexp->argv[0], ">") == 0)
4183 operator = GREATER_THAN;
4184 else if (strcmp(mexp->argv[0], "<") == 0)
4185 operator = LESS_THAN;
4186 else if (strcmp(mexp->argv[0], ">=") == 0)
4187 operator = GREATER_THAN_EQUAL;
4188 else if (strcmp(mexp->argv[0], "<=") == 0)
4189 operator = LESS_THAN_EQUAL;
4190 else {
4191 format_log(es, "expression has no valid operator: '%s'",
4192 mexp->argv[0]);
4193 goto fail;
4194 }
4195
4196 /* The second argument may be flags. */
4197 if (argc >= 2 && strchr(mexp->argv[1], 'f') != NULL) {
4198 use_fp = 1;
4199 prec = 2;
4200 }
4201
4202 /* The third argument may be precision. */
4203 if (argc >= 3) {
4204 prec = strtonum(mexp->argv[2], INT_MIN, INT_MAX, &errstr);
4205 if (errstr != NULL) {
4206 format_log(es, "expression precision %s: %s", errstr,
4207 mexp->argv[2]);
4208 goto fail;
4209 }
4210 }
4211
4212 if (format_choose(es, copy, &left, &right, 1) != 0) {
4213 format_log(es, "expression syntax error");
4214 goto fail;
4215 }
4216
4217 mleft = strtod(left, &endch);
4218 if (*endch != '\0') {
4219 format_log(es, "expression left side is invalid: %s", left);
4220 goto fail;
4221 }
4222
4223 mright = strtod(right, &endch);
4224 if (*endch != '\0') {
4225 format_log(es, "expression right side is invalid: %s", right);
4226 goto fail;
4227 }
4228
4229 if (!use_fp) {
4230 mleft = (long long)mleft;
4231 mright = (long long)mright;
4232 }
4233 format_log(es, "expression left side is: %.*f", prec, mleft);
4234 format_log(es, "expression right side is: %.*f", prec, mright);
4235
4236 switch (operator) {
4237 case ADD:
4238 result = mleft + mright;
4239 break;
4240 case SUBTRACT:
4241 result = mleft - mright;
4242 break;
4243 case MULTIPLY:
4244 result = mleft * mright;
4245 break;
4246 case DIVIDE:
4247 result = mleft / mright;
4248 break;
4249 case MODULUS:
4250 result = fmod(mleft, mright);
4251 break;
4252 case EQUAL:
4253 result = fabs(mleft - mright) < 1e-9;
4254 break;
4255 case NOT_EQUAL:
4256 result = fabs(mleft - mright) > 1e-9;
4257 break;
4258 case GREATER_THAN:
4259 result = (mleft > mright);
4260 break;
4261 case GREATER_THAN_EQUAL:
4262 result = (mleft >= mright);
4263 break;
4264 case LESS_THAN:
4265 result = (mleft < mright);
4266 break;
4267 case LESS_THAN_EQUAL:
4268 result = (mleft <= mright);
4269 break;
4270 }
4271 if (use_fp)
4272 xasprintf(&value, "%.*f", prec, result);
4273 else
4274 xasprintf(&value, "%.*f", prec, (double)(long long)result);
4275 format_log(es, "expression result is %s", value);
4276
4277 free(right);
4278 free(left);
4279 return (value);
4280
4281 fail:
4282 free(right);
4283 free(left);
4284 return (NULL);
4285 }
4286
4287 /* Replace a key. */
4288 static int
4289 format_replace(struct format_expand_state *es, const char *key, size_t keylen,
4290 char **buf, size_t *len, size_t *off)
4291 {
4292 struct format_tree *ft = es->ft;
4293 struct window_pane *wp = ft->wp;
4294 const char *errstr, *copy, *cp, *marker = NULL;
4295 const char *time_format = NULL;
4296 char *copy0, *condition, *found, *new;
4297 char *value, *left, *right;
4298 size_t valuelen;
4299 int modifiers = 0, limit = 0, width = 0;
4300 int j, c;
4301 struct format_modifier *list, *cmp = NULL, *search = NULL;
4302 struct format_modifier **sub = NULL, *mexp = NULL, *fm;
4303 u_int i, count, nsub = 0;
4304 struct format_expand_state next;
4305
4306 /* Make a copy of the key. */
4307 copy = copy0 = xstrndup(key, keylen);
4308
4309 /* Process modifier list. */
4310 list = format_build_modifiers(es, &copy, &count);
4311 for (i = 0; i < count; i++) {
4312 fm = &list[i];
4313 if (format_logging(ft)) {
4314 format_log(es, "modifier %u is %s", i, fm->modifier);
4315 for (j = 0; j < fm->argc; j++) {
4316 format_log(es, "modifier %u argument %d: %s", i,
4317 j, fm->argv[j]);
4318 }
4319 }
4320 if (fm->size == 1) {
4321 switch (fm->modifier[0]) {
4322 case 'm':
4323 case '<':
4324 case '>':
4325 cmp = fm;
4326 break;
4327 case 'C':
4328 search = fm;
4329 break;
4330 case 's':
4331 if (fm->argc < 2)
4332 break;
4333 sub = xreallocarray(sub, nsub + 1, sizeof *sub);
4334 sub[nsub++] = fm;
4335 break;
4336 case '=':
4337 if (fm->argc < 1)
4338 break;
4339 limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4340 &errstr);
4341 if (errstr != NULL)
4342 limit = 0;
4343 if (fm->argc >= 2 && fm->argv[1] != NULL)
4344 marker = fm->argv[1];
4345 break;
4346 case 'p':
4347 if (fm->argc < 1)
4348 break;
4349 width = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4350 &errstr);
4351 if (errstr != NULL)
4352 width = 0;
4353 break;
4354 case 'w':
4355 modifiers |= FORMAT_WIDTH;
4356 break;
4357 case 'e':
4358 if (fm->argc < 1 || fm->argc > 3)
4359 break;
4360 mexp = fm;
4361 break;
4362 case 'l':
4363 modifiers |= FORMAT_LITERAL;
4364 break;
4365 case 'a':
4366 modifiers |= FORMAT_CHARACTER;
4367 break;
4368 case 'b':
4369 modifiers |= FORMAT_BASENAME;
4370 break;
4371 case 'c':
4372 modifiers |= FORMAT_COLOUR;
4373 break;
4374 case 'd':
4375 modifiers |= FORMAT_DIRNAME;
4376 break;
4377 case 'n':
4378 modifiers |= FORMAT_LENGTH;
4379 break;
4380 case 't':
4381 modifiers |= FORMAT_TIMESTRING;
4382 if (fm->argc < 1)
4383 break;
4384 if (strchr(fm->argv[0], 'p') != NULL)
4385 modifiers |= FORMAT_PRETTY;
4386 else if (fm->argc >= 2 &&
4387 strchr(fm->argv[0], 'f') != NULL)
4388 time_format = format_strip(fm->argv[1]);
4389 break;
4390 case 'q':
4391 if (fm->argc < 1)
4392 modifiers |= FORMAT_QUOTE_SHELL;
4393 else if (strchr(fm->argv[0], 'e') != NULL ||
4394 strchr(fm->argv[0], 'h') != NULL)
4395 modifiers |= FORMAT_QUOTE_STYLE;
4396 break;
4397 case 'E':
4398 modifiers |= FORMAT_EXPAND;
4399 break;
4400 case 'T':
4401 modifiers |= FORMAT_EXPANDTIME;
4402 break;
4403 case 'N':
4404 if (fm->argc < 1 ||
4405 strchr(fm->argv[0], 'w') != NULL)
4406 modifiers |= FORMAT_WINDOW_NAME;
4407 else if (strchr(fm->argv[0], 's') != NULL)
4408 modifiers |= FORMAT_SESSION_NAME;
4409 break;
4410 case 'S':
4411 modifiers |= FORMAT_SESSIONS;
4412 break;
4413 case 'W':
4414 modifiers |= FORMAT_WINDOWS;
4415 break;
4416 case 'P':
4417 modifiers |= FORMAT_PANES;
4418 break;
4419 case 'L':
4420 modifiers |= FORMAT_CLIENTS;
4421 break;
4422 }
4423 } else if (fm->size == 2) {
4424 if (strcmp(fm->modifier, "||") == 0 ||
4425 strcmp(fm->modifier, "&&") == 0 ||
4426 strcmp(fm->modifier, "==") == 0 ||
4427 strcmp(fm->modifier, "!=") == 0 ||
4428 strcmp(fm->modifier, ">=") == 0 ||
4429 strcmp(fm->modifier, "<=") == 0)
4430 cmp = fm;
4431 }
4432 }
4433
4434 /* Is this a literal string? */
4435 if (modifiers & FORMAT_LITERAL) {
4436 format_log(es, "literal string is '%s'", copy);
4437 value = format_unescape(copy);
4438 goto done;
4439 }
4440
4441 /* Is this a character? */
4442 if (modifiers & FORMAT_CHARACTER) {
4443 new = format_expand1(es, copy);
4444 c = strtonum(new, 32, 126, &errstr);
4445 if (errstr != NULL)
4446 value = xstrdup("");
4447 else
4448 xasprintf(&value, "%c", c);
4449 free(new);
4450 goto done;
4451 }
4452
4453 /* Is this a colour? */
4454 if (modifiers & FORMAT_COLOUR) {
4455 new = format_expand1(es, copy);
4456 c = colour_fromstring(new);
4457 if (c == -1 || (c = colour_force_rgb(c)) == -1)
4458 value = xstrdup("");
4459 else
4460 xasprintf(&value, "%06x", c & 0xffffff);
4461 free(new);
4462 goto done;
4463 }
4464
4465 /* Is this a loop, comparison or condition? */
4466 if (modifiers & FORMAT_SESSIONS) {
4467 value = format_loop_sessions(es, copy);
4468 if (value == NULL)
4469 goto fail;
4470 } else if (modifiers & FORMAT_WINDOWS) {
4471 value = format_loop_windows(es, copy);
4472 if (value == NULL)
4473 goto fail;
4474 } else if (modifiers & FORMAT_PANES) {
4475 value = format_loop_panes(es, copy);
4476 if (value == NULL)
4477 goto fail;
4478 } else if (modifiers & FORMAT_CLIENTS) {
4479 value = format_loop_clients(es, copy);
4480 if (value == NULL)
4481 goto fail;
4482 } else if (modifiers & FORMAT_WINDOW_NAME) {
4483 value = format_window_name(es, copy);
4484 if (value == NULL)
4485 goto fail;
4486 } else if (modifiers & FORMAT_SESSION_NAME) {
4487 value = format_session_name(es, copy);
4488 if (value == NULL)
4489 goto fail;
4490 } else if (search != NULL) {
4491 /* Search in pane. */
4492 new = format_expand1(es, copy);
4493 if (wp == NULL) {
4494 format_log(es, "search '%s' but no pane", new);
4495 value = xstrdup("0");
4496 } else {
4497 format_log(es, "search '%s' pane %%%u", new, wp->id);
4498 value = format_search(search, wp, new);
4499 }
4500 free(new);
4501 } else if (cmp != NULL) {
4502 /* Comparison of left and right. */
4503 if (format_choose(es, copy, &left, &right, 1) != 0) {
4504 format_log(es, "compare %s syntax error: %s",
4505 cmp->modifier, copy);
4506 goto fail;
4507 }
4508 format_log(es, "compare %s left is: %s", cmp->modifier, left);
4509 format_log(es, "compare %s right is: %s", cmp->modifier, right);
4510
4511 if (strcmp(cmp->modifier, "||") == 0) {
4512 if (format_true(left) || format_true(right))
4513 value = xstrdup("1");
4514 else
4515 value = xstrdup("0");
4516 } else if (strcmp(cmp->modifier, "&&") == 0) {
4517 if (format_true(left) && format_true(right))
4518 value = xstrdup("1");
4519 else
4520 value = xstrdup("0");
4521 } else if (strcmp(cmp->modifier, "==") == 0) {
4522 if (strcmp(left, right) == 0)
4523 value = xstrdup("1");
4524 else
4525 value = xstrdup("0");
4526 } else if (strcmp(cmp->modifier, "!=") == 0) {
4527 if (strcmp(left, right) != 0)
4528 value = xstrdup("1");
4529 else
4530 value = xstrdup("0");
4531 } else if (strcmp(cmp->modifier, "<") == 0) {
4532 if (strcmp(left, right) < 0)
4533 value = xstrdup("1");
4534 else
4535 value = xstrdup("0");
4536 } else if (strcmp(cmp->modifier, ">") == 0) {
4537 if (strcmp(left, right) > 0)
4538 value = xstrdup("1");
4539 else
4540 value = xstrdup("0");
4541 } else if (strcmp(cmp->modifier, "<=") == 0) {
4542 if (strcmp(left, right) <= 0)
4543 value = xstrdup("1");
4544 else
4545 value = xstrdup("0");
4546 } else if (strcmp(cmp->modifier, ">=") == 0) {
4547 if (strcmp(left, right) >= 0)
4548 value = xstrdup("1");
4549 else
4550 value = xstrdup("0");
4551 } else if (strcmp(cmp->modifier, "m") == 0)
4552 value = format_match(cmp, left, right);
4553
4554 free(right);
4555 free(left);
4556 } else if (*copy == '?') {
4557 /* Conditional: check first and choose second or third. */
4558 cp = format_skip(copy + 1, ",");
4559 if (cp == NULL) {
4560 format_log(es, "condition syntax error: %s", copy + 1);
4561 goto fail;
4562 }
4563 condition = xstrndup(copy + 1, cp - (copy + 1));
4564 format_log(es, "condition is: %s", condition);
4565
4566 found = format_find(ft, condition, modifiers, time_format);
4567 if (found == NULL) {
4568 /*
4569 * If the condition not found, try to expand it. If
4570 * the expansion doesn't have any effect, then assume
4571 * false.
4572 */
4573 found = format_expand1(es, condition);
4574 if (strcmp(found, condition) == 0) {
4575 free(found);
4576 found = xstrdup("");
4577 format_log(es,
4578 "condition '%s' not found; assuming false",
4579 condition);
4580 }
4581 } else {
4582 format_log(es, "condition '%s' found: %s", condition,
4583 found);
4584 }
4585
4586 if (format_choose(es, cp + 1, &left, &right, 0) != 0) {
4587 format_log(es, "condition '%s' syntax error: %s",
4588 condition, cp + 1);
4589 free(found);
4590 goto fail;
4591 }
4592 if (format_true(found)) {
4593 format_log(es, "condition '%s' is true", condition);
4594 value = format_expand1(es, left);
4595 } else {
4596 format_log(es, "condition '%s' is false", condition);
4597 value = format_expand1(es, right);
4598 }
4599 free(right);
4600 free(left);
4601
4602 free(condition);
4603 free(found);
4604 } else if (mexp != NULL) {
4605 value = format_replace_expression(mexp, es, copy);
4606 if (value == NULL)
4607 value = xstrdup("");
4608 } else {
4609 if (strstr(copy, "#{") != 0) {
4610 format_log(es, "expanding inner format '%s'", copy);
4611 value = format_expand1(es, copy);
4612 } else {
4613 value = format_find(ft, copy, modifiers, time_format);
4614 if (value == NULL) {
4615 format_log(es, "format '%s' not found", copy);
4616 value = xstrdup("");
4617 } else {
4618 format_log(es, "format '%s' found: %s", copy,
4619 value);
4620 }
4621 }
4622 }
4623
4624 done:
4625 /* Expand again if required. */
4626 if (modifiers & FORMAT_EXPAND) {
4627 new = format_expand1(es, value);
4628 free(value);
4629 value = new;
4630 } else if (modifiers & FORMAT_EXPANDTIME) {
4631 format_copy_state(&next, es, FORMAT_EXPAND_TIME);
4632 new = format_expand1(&next, value);
4633 free(value);
4634 value = new;
4635 }
4636
4637 /* Perform substitution if any. */
4638 for (i = 0; i < nsub; i++) {
4639 left = format_expand1(es, sub[i]->argv[0]);
4640 right = format_expand1(es, sub[i]->argv[1]);
4641 new = format_sub(sub[i], value, left, right);
4642 format_log(es, "substitute '%s' to '%s': %s", left, right, new);
4643 free(value);
4644 value = new;
4645 free(right);
4646 free(left);
4647 }
4648
4649 /* Truncate the value if needed. */
4650 if (limit > 0) {
4651 new = format_trim_left(value, limit);
4652 if (marker != NULL && strcmp(new, value) != 0) {
4653 free(value);
4654 xasprintf(&value, "%s%s", new, marker);
4655 } else {
4656 free(value);
4657 value = new;
4658 }
4659 format_log(es, "applied length limit %d: %s", limit, value);
4660 } else if (limit < 0) {
4661 new = format_trim_right(value, -limit);
4662 if (marker != NULL && strcmp(new, value) != 0) {
4663 free(value);
4664 xasprintf(&value, "%s%s", marker, new);
4665 } else {
4666 free(value);
4667 value = new;
4668 }
4669 format_log(es, "applied length limit %d: %s", limit, value);
4670 }
4671
4672 /* Pad the value if needed. */
4673 if (width > 0) {
4674 new = utf8_padcstr(value, width);
4675 free(value);
4676 value = new;
4677 format_log(es, "applied padding width %d: %s", width, value);
4678 } else if (width < 0) {
4679 new = utf8_rpadcstr(value, -width);
4680 free(value);
4681 value = new;
4682 format_log(es, "applied padding width %d: %s", width, value);
4683 }
4684
4685 /* Replace with the length or width if needed. */
4686 if (modifiers & FORMAT_LENGTH) {
4687 xasprintf(&new, "%zu", strlen(value));
4688 free(value);
4689 value = new;
4690 format_log(es, "replacing with length: %s", new);
4691 }
4692 if (modifiers & FORMAT_WIDTH) {
4693 xasprintf(&new, "%u", format_width(value));
4694 free(value);
4695 value = new;
4696 format_log(es, "replacing with width: %s", new);
4697 }
4698
4699 /* Expand the buffer and copy in the value. */
4700 valuelen = strlen(value);
4701 while (*len - *off < valuelen + 1) {
4702 *buf = xreallocarray(*buf, 2, *len);
4703 *len *= 2;
4704 }
4705 memcpy(*buf + *off, value, valuelen);
4706 *off += valuelen;
4707
4708 format_log(es, "replaced '%s' with '%s'", copy0, value);
4709 free(value);
4710
4711 free(sub);
4712 format_free_modifiers(list, count);
4713 free(copy0);
4714 return (0);
4715
4716 fail:
4717 format_log(es, "failed %s", copy0);
4718
4719 free(sub);
4720 format_free_modifiers(list, count);
4721 free(copy0);
4722 return (-1);
4723 }
4724
4725 /* Expand keys in a template. */
4726 static char *
4727 format_expand1(struct format_expand_state *es, const char *fmt)
4728 {
4729 struct format_tree *ft = es->ft;
4730 char *buf, *out, *name;
4731 const char *ptr, *s, *style_end = NULL;
4732 size_t off, len, n, outlen;
4733 int ch, brackets;
4734 char expanded[8192];
4735
4736 if (fmt == NULL || *fmt == '\0')
4737 return (xstrdup(""));
4738
4739 if (es->loop == FORMAT_LOOP_LIMIT) {
4740 format_log(es, "reached loop limit (%u)", FORMAT_LOOP_LIMIT);
4741 return (xstrdup(""));
4742 }
4743 es->loop++;
4744
4745 format_log(es, "expanding format: %s", fmt);
4746
4747 if ((es->flags & FORMAT_EXPAND_TIME) && strchr(fmt, '%') != NULL) {
4748 if (es->time == 0) {
4749 es->time = time(NULL);
4750 localtime_r(&es->time, &es->tm);
4751 }
4752 if (strftime(expanded, sizeof expanded, fmt, &es->tm) == 0) {
4753 format_log(es, "format is too long");
4754 return (xstrdup(""));
4755 }
4756 if (format_logging(ft) && strcmp(expanded, fmt) != 0)
4757 format_log(es, "after time expanded: %s", expanded);
4758 fmt = expanded;
4759 }
4760
4761 len = 64;
4762 buf = xmalloc(len);
4763 off = 0;
4764
4765 while (*fmt != '\0') {
4766 if (*fmt != '#') {
4767 while (len - off < 2) {
4768 buf = xreallocarray(buf, 2, len);
4769 len *= 2;
4770 }
4771 buf[off++] = *fmt++;
4772 continue;
4773 }
4774 fmt++;
4775
4776 ch = (u_char)*fmt++;
4777 switch (ch) {
4778 case '(':
4779 brackets = 1;
4780 for (ptr = fmt; *ptr != '\0'; ptr++) {
4781 if (*ptr == '(')
4782 brackets++;
4783 if (*ptr == ')' && --brackets == 0)
4784 break;
4785 }
4786 if (*ptr != ')' || brackets != 0)
4787 break;
4788 n = ptr - fmt;
4789
4790 name = xstrndup(fmt, n);
4791 format_log(es, "found #(): %s", name);
4792
4793 if ((ft->flags & FORMAT_NOJOBS) ||
4794 (es->flags & FORMAT_EXPAND_NOJOBS)) {
4795 out = xstrdup("");
4796 format_log(es, "#() is disabled");
4797 } else {
4798 out = format_job_get(es, name);
4799 format_log(es, "#() result: %s", out);
4800 }
4801 free(name);
4802
4803 outlen = strlen(out);
4804 while (len - off < outlen + 1) {
4805 buf = xreallocarray(buf, 2, len);
4806 len *= 2;
4807 }
4808 memcpy(buf + off, out, outlen);
4809 off += outlen;
4810
4811 free(out);
4812
4813 fmt += n + 1;
4814 continue;
4815 case '{':
4816 ptr = format_skip((char *)fmt - 2, "}");
4817 if (ptr == NULL)
4818 break;
4819 n = ptr - fmt;
4820
4821 format_log(es, "found #{}: %.*s", (int)n, fmt);
4822 if (format_replace(es, fmt, n, &buf, &len, &off) != 0)
4823 break;
4824 fmt += n + 1;
4825 continue;
4826 case '[':
4827 case '#':
4828 /*
4829 * If ##[ (with two or more #s), then it is a style and
4830 * can be left for format_draw to handle.
4831 */
4832 ptr = fmt - (ch == '[');
4833 n = 2 - (ch == '[');
4834 while (*ptr == '#') {
4835 ptr++;
4836 n++;
4837 }
4838 if (*ptr == '[') {
4839 style_end = format_skip(fmt - 2, "]");
4840 format_log(es, "found #*%zu[", n);
4841 while (len - off < n + 2) {
4842 buf = xreallocarray(buf, 2, len);
4843 len *= 2;
4844 }
4845 memcpy(buf + off, fmt - 2, n + 1);
4846 off += n + 1;
4847 fmt = ptr + 1;
4848 continue;
4849 }
4850 /* FALLTHROUGH */
4851 case '}':
4852 case ',':
4853 format_log(es, "found #%c", ch);
4854 while (len - off < 2) {
4855 buf = xreallocarray(buf, 2, len);
4856 len *= 2;
4857 }
4858 buf[off++] = ch;
4859 continue;
4860 default:
4861 s = NULL;
4862 if (fmt > style_end) { /* skip inside #[] */
4863 if (ch >= 'A' && ch <= 'Z')
4864 s = format_upper[ch - 'A'];
4865 else if (ch >= 'a' && ch <= 'z')
4866 s = format_lower[ch - 'a'];
4867 }
4868 if (s == NULL) {
4869 while (len - off < 3) {
4870 buf = xreallocarray(buf, 2, len);
4871 len *= 2;
4872 }
4873 buf[off++] = '#';
4874 buf[off++] = ch;
4875 continue;
4876 }
4877 n = strlen(s);
4878 format_log(es, "found #%c: %s", ch, s);
4879 if (format_replace(es, s, n, &buf, &len, &off) != 0)
4880 break;
4881 continue;
4882 }
4883
4884 break;
4885 }
4886 buf[off] = '\0';
4887
4888 format_log(es, "result is: %s", buf);
4889 es->loop--;
4890
4891 return (buf);
4892 }
4893
4894 /* Expand keys in a template, passing through strftime first. */
4895 char *
4896 format_expand_time(struct format_tree *ft, const char *fmt)
4897 {
4898 struct format_expand_state es;
4899
4900 memset(&es, 0, sizeof es);
4901 es.ft = ft;
4902 es.flags = FORMAT_EXPAND_TIME;
4903 return (format_expand1(&es, fmt));
4904 }
4905
4906 /* Expand keys in a template. */
4907 char *
4908 format_expand(struct format_tree *ft, const char *fmt)
4909 {
4910 struct format_expand_state es;
4911
4912 memset(&es, 0, sizeof es);
4913 es.ft = ft;
4914 es.flags = 0;
4915 return (format_expand1(&es, fmt));
4916 }
4917
4918 /* Expand a single string. */
4919 char *
4920 format_single(struct cmdq_item *item, const char *fmt, struct client *c,
4921 struct session *s, struct winlink *wl, struct window_pane *wp)
4922 {
4923 struct format_tree *ft;
4924 char *expanded;
4925
4926 ft = format_create_defaults(item, c, s, wl, wp);
4927 expanded = format_expand(ft, fmt);
4928 format_free(ft);
4929 return (expanded);
4930 }
4931
4932 /* Expand a single string using state. */
4933 char *
4934 format_single_from_state(struct cmdq_item *item, const char *fmt,
4935 struct client *c, struct cmd_find_state *fs)
4936 {
4937 return (format_single(item, fmt, c, fs->s, fs->wl, fs->wp));
4938 }
4939
4940 /* Expand a single string using target. */
4941 char *
4942 format_single_from_target(struct cmdq_item *item, const char *fmt)
4943 {
4944 struct client *tc = cmdq_get_target_client(item);
4945
4946 return (format_single_from_state(item, fmt, tc, cmdq_get_target(item)));
4947 }
4948
4949 /* Create and add defaults. */
4950 struct format_tree *
4951 format_create_defaults(struct cmdq_item *item, struct client *c,
4952 struct session *s, struct winlink *wl, struct window_pane *wp)
4953 {
4954 struct format_tree *ft;
4955
4956 if (item != NULL)
4957 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
4958 else
4959 ft = format_create(NULL, item, FORMAT_NONE, 0);
4960 format_defaults(ft, c, s, wl, wp);
4961 return (ft);
4962 }
4963
4964 /* Create and add defaults using state. */
4965 struct format_tree *
4966 format_create_from_state(struct cmdq_item *item, struct client *c,
4967 struct cmd_find_state *fs)
4968 {
4969 return (format_create_defaults(item, c, fs->s, fs->wl, fs->wp));
4970 }
4971
4972 /* Create and add defaults using target. */
4973 struct format_tree *
4974 format_create_from_target(struct cmdq_item *item)
4975 {
4976 struct client *tc = cmdq_get_target_client(item);
4977
4978 return (format_create_from_state(item, tc, cmdq_get_target(item)));
4979 }
4980
4981 /* Set defaults for any of arguments that are not NULL. */
4982 void
4983 format_defaults(struct format_tree *ft, struct client *c, struct session *s,
4984 struct winlink *wl, struct window_pane *wp)
4985 {
4986 struct paste_buffer *pb;
4987
4988 if (c != NULL && c->name != NULL)
4989 log_debug("%s: c=%s", __func__, c->name);
4990 else
4991 log_debug("%s: c=none", __func__);
4992 if (s != NULL)
4993 log_debug("%s: s=$%u", __func__, s->id);
4994 else
4995 log_debug("%s: s=none", __func__);
4996 if (wl != NULL)
4997 log_debug("%s: wl=%u", __func__, wl->idx);
4998 else
4999 log_debug("%s: wl=none", __func__);
5000 if (wp != NULL)
5001 log_debug("%s: wp=%%%u", __func__, wp->id);
5002 else
5003 log_debug("%s: wp=none", __func__);
5004
5005 if (c != NULL && s != NULL && c->session != s)
5006 log_debug("%s: session does not match", __func__);
5007
5008 if (wp != NULL)
5009 ft->type = FORMAT_TYPE_PANE;
5010 else if (wl != NULL)
5011 ft->type = FORMAT_TYPE_WINDOW;
5012 else if (s != NULL)
5013 ft->type = FORMAT_TYPE_SESSION;
5014 else
5015 ft->type = FORMAT_TYPE_UNKNOWN;
5016
5017 if (s == NULL && c != NULL)
5018 s = c->session;
5019 if (wl == NULL && s != NULL)
5020 wl = s->curw;
5021 if (wp == NULL && wl != NULL)
5022 wp = wl->window->active;
5023
5024 if (c != NULL)
5025 format_defaults_client(ft, c);
5026 if (s != NULL)
5027 format_defaults_session(ft, s);
5028 if (wl != NULL)
5029 format_defaults_winlink(ft, wl);
5030 if (wp != NULL)
5031 format_defaults_pane(ft, wp);
5032
5033 pb = paste_get_top(NULL);
5034 if (pb != NULL)
5035 format_defaults_paste_buffer(ft, pb);
5036 }
5037
5038 /* Set default format keys for a session. */
5039 static void
5040 format_defaults_session(struct format_tree *ft, struct session *s)
5041 {
5042 ft->s = s;
5043 }
5044
5045 /* Set default format keys for a client. */
5046 static void
5047 format_defaults_client(struct format_tree *ft, struct client *c)
5048 {
5049 if (ft->s == NULL)
5050 ft->s = c->session;
5051 ft->c = c;
5052 }
5053
5054 /* Set default format keys for a window. */
5055 void
5056 format_defaults_window(struct format_tree *ft, struct window *w)
5057 {
5058 ft->w = w;
5059 }
5060
5061 /* Set default format keys for a winlink. */
5062 static void
5063 format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
5064 {
5065 if (ft->w == NULL)
5066 format_defaults_window(ft, wl->window);
5067 ft->wl = wl;
5068 }
5069
5070 /* Set default format keys for a window pane. */
5071 void
5072 format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
5073 {
5074 struct window_mode_entry *wme;
5075
5076 if (ft->w == NULL)
5077 format_defaults_window(ft, wp->window);
5078 ft->wp = wp;
5079
5080 wme = TAILQ_FIRST(&wp->modes);
5081 if (wme != NULL && wme->mode->formats != NULL)
5082 wme->mode->formats(wme, ft);
5083 }
5084
5085 /* Set default format keys for paste buffer. */
5086 void
5087 format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
5088 {
5089 ft->pb = pb;
5090 }
5091
5092 /* Return word at given coordinates. Caller frees. */
5093 char *
5094 format_grid_word(struct grid *gd, u_int x, u_int y)
5095 {
5096 const struct grid_line *gl;
5097 struct grid_cell gc;
5098 const char *ws;
5099 struct utf8_data *ud = NULL;
5100 u_int end;
5101 size_t size = 0;
5102 int found = 0;
5103 char *s = NULL;
5104
5105 ws = options_get_string(global_s_options, "word-separators");
5106
5107 for (;;) {
5108 grid_get_cell(gd, x, y, &gc);
5109 if (gc.flags & GRID_FLAG_PADDING)
5110 break;
5111 if (utf8_cstrhas(ws, &gc.data) ||
5112 (gc.data.size == 1 && *gc.data.data == ' ')) {
5113 found = 1;
5114 break;
5115 }
5116
5117 if (x == 0) {
5118 if (y == 0)
5119 break;
5120 gl = grid_peek_line(gd, y - 1);
5121 if (~gl->flags & GRID_LINE_WRAPPED)
5122 break;
5123 y--;
5124 x = grid_line_length(gd, y);
5125 if (x == 0)
5126 break;
5127 }
5128 x--;
5129 }
5130 for (;;) {
5131 if (found) {
5132 end = grid_line_length(gd, y);
5133 if (end == 0 || x == end - 1) {
5134 if (y == gd->hsize + gd->sy - 1)
5135 break;
5136 gl = grid_peek_line(gd, y);
5137 if (~gl->flags & GRID_LINE_WRAPPED)
5138 break;
5139 y++;
5140 x = 0;
5141 } else
5142 x++;
5143 }
5144 found = 1;
5145
5146 grid_get_cell(gd, x, y, &gc);
5147 if (gc.flags & GRID_FLAG_PADDING)
5148 break;
5149 if (utf8_cstrhas(ws, &gc.data) ||
5150 (gc.data.size == 1 && *gc.data.data == ' '))
5151 break;
5152
5153 ud = xreallocarray(ud, size + 2, sizeof *ud);
5154 memcpy(&ud[size++], &gc.data, sizeof *ud);
5155 }
5156 if (size != 0) {
5157 ud[size].size = 0;
5158 s = utf8_tocstr(ud);
5159 free(ud);
5160 }
5161 return (s);
5162 }
5163
5164 /* Return line at given coordinates. Caller frees. */
5165 char *
5166 format_grid_line(struct grid *gd, u_int y)
5167 {
5168 struct grid_cell gc;
5169 struct utf8_data *ud = NULL;
5170 u_int x;
5171 size_t size = 0;
5172 char *s = NULL;
5173
5174 for (x = 0; x < grid_line_length(gd, y); x++) {
5175 grid_get_cell(gd, x, y, &gc);
5176 if (gc.flags & GRID_FLAG_PADDING)
5177 break;
5178
5179 ud = xreallocarray(ud, size + 2, sizeof *ud);
5180 memcpy(&ud[size++], &gc.data, sizeof *ud);
5181 }
5182 if (size != 0) {
5183 ud[size].size = 0;
5184 s = utf8_tocstr(ud);
5185 free(ud);
5186 }
5187 return (s);
5188 }
5189
5190 /* Return hyperlink at given coordinates. Caller frees. */
5191 char *
5192 format_grid_hyperlink(struct grid *gd, u_int x, u_int y, struct screen* s)
5193 {
5194 const char *uri;
5195 struct grid_cell gc;
5196
5197 grid_get_cell(gd, x, y, &gc);
5198 if (gc.flags & GRID_FLAG_PADDING)
5199 return (NULL);
5200 if (s->hyperlinks == NULL || gc.link == 0)
5201 return (NULL);
5202 if (!hyperlinks_get(s->hyperlinks, gc.link, &uri, NULL, NULL))
5203 return (NULL);
5204 return (xstrdup(uri));
5205 }
tmux -- terminal multiplexer similar to GNU Screen