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Merge branch 'obsd-master'
[tmux.git] / format.c
blobaff72b7c29cc29be7670c46175dfc2ba358424d1
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 = osdep_get_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 = osdep_get_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
1130 if (!ft->m.valid)
1131 return (NULL);
1132 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1133 if (wp == NULL)
1134 return (NULL);
1135 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1136 return (NULL);
1137
1138 if (!TAILQ_EMPTY(&wp->modes)) {
1139 if (window_pane_mode(wp) != WINDOW_PANE_NO_MODE)
1140 return (window_copy_get_word(wp, x, y));
1141 return (NULL);
1142 }
1143 gd = wp->base.grid;
1144 return (format_grid_word(gd, x, gd->hsize + y));
1145 }
1146
1147 /* Callback for mouse_hyperlink. */
1148 static void *
1149 format_cb_mouse_hyperlink(struct format_tree *ft)
1150 {
1151 struct window_pane *wp;
1152 struct grid *gd;
1153 u_int x, y;
1154
1155 if (!ft->m.valid)
1156 return (NULL);
1157 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1158 if (wp == NULL)
1159 return (NULL);
1160 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1161 return (NULL);
1162 gd = wp->base.grid;
1163 return (format_grid_hyperlink(gd, x, gd->hsize + y, wp->screen));
1164 }
1165
1166 /* Callback for mouse_line. */
1167 static void *
1168 format_cb_mouse_line(struct format_tree *ft)
1169 {
1170 struct window_pane *wp;
1171 struct grid *gd;
1172 u_int x, y;
1173
1174 if (!ft->m.valid)
1175 return (NULL);
1176 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1177 if (wp == NULL)
1178 return (NULL);
1179 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1180 return (NULL);
1181
1182 if (!TAILQ_EMPTY(&wp->modes)) {
1183 if (window_pane_mode(wp) != WINDOW_PANE_NO_MODE)
1184 return (window_copy_get_line(wp, y));
1185 return (NULL);
1186 }
1187 gd = wp->base.grid;
1188 return (format_grid_line(gd, gd->hsize + y));
1189 }
1190
1191 /* Callback for mouse_status_line. */
1192 static void *
1193 format_cb_mouse_status_line(struct format_tree *ft)
1194 {
1195 char *value;
1196 u_int y;
1197
1198 if (!ft->m.valid)
1199 return (NULL);
1200 if (ft->c == NULL || (~ft->c->tty.flags & TTY_STARTED))
1201 return (NULL);
1202
1203 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines) {
1204 y = ft->m.y;
1205 } else if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat) {
1206 y = ft->m.y - ft->m.statusat;
1207 } else
1208 return (NULL);
1209 xasprintf(&value, "%u", y);
1210 return (value);
1211
1212 }
1213
1214 /* Callback for mouse_status_range. */
1215 static void *
1216 format_cb_mouse_status_range(struct format_tree *ft)
1217 {
1218 struct style_range *sr;
1219 u_int x, y;
1220
1221 if (!ft->m.valid)
1222 return (NULL);
1223 if (ft->c == NULL || (~ft->c->tty.flags & TTY_STARTED))
1224 return (NULL);
1225
1226 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines) {
1227 x = ft->m.x;
1228 y = ft->m.y;
1229 } else if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat) {
1230 x = ft->m.x;
1231 y = ft->m.y - ft->m.statusat;
1232 } else
1233 return (NULL);
1234
1235 sr = status_get_range(ft->c, x, y);
1236 if (sr == NULL)
1237 return (NULL);
1238 switch (sr->type) {
1239 case STYLE_RANGE_NONE:
1240 return (NULL);
1241 case STYLE_RANGE_LEFT:
1242 return (xstrdup("left"));
1243 case STYLE_RANGE_RIGHT:
1244 return (xstrdup("right"));
1245 case STYLE_RANGE_PANE:
1246 return (xstrdup("pane"));
1247 case STYLE_RANGE_WINDOW:
1248 return (xstrdup("window"));
1249 case STYLE_RANGE_SESSION:
1250 return (xstrdup("session"));
1251 case STYLE_RANGE_USER:
1252 return (xstrdup(sr->string));
1253 }
1254 return (NULL);
1255 }
1256
1257 /* Callback for alternate_on. */
1258 static void *
1259 format_cb_alternate_on(struct format_tree *ft)
1260 {
1261 if (ft->wp != NULL) {
1262 if (ft->wp->base.saved_grid != NULL)
1263 return (xstrdup("1"));
1264 return (xstrdup("0"));
1265 }
1266 return (NULL);
1267 }
1268
1269 /* Callback for alternate_saved_x. */
1270 static void *
1271 format_cb_alternate_saved_x(struct format_tree *ft)
1272 {
1273 if (ft->wp != NULL)
1274 return (format_printf("%u", ft->wp->base.saved_cx));
1275 return (NULL);
1276 }
1277
1278 /* Callback for alternate_saved_y. */
1279 static void *
1280 format_cb_alternate_saved_y(struct format_tree *ft)
1281 {
1282 if (ft->wp != NULL)
1283 return (format_printf("%u", ft->wp->base.saved_cy));
1284 return (NULL);
1285 }
1286
1287 /* Callback for buffer_name. */
1288 static void *
1289 format_cb_buffer_name(struct format_tree *ft)
1290 {
1291 if (ft->pb != NULL)
1292 return (xstrdup(paste_buffer_name(ft->pb)));
1293 return (NULL);
1294 }
1295
1296 /* Callback for buffer_sample. */
1297 static void *
1298 format_cb_buffer_sample(struct format_tree *ft)
1299 {
1300 if (ft->pb != NULL)
1301 return (paste_make_sample(ft->pb));
1302 return (NULL);
1303 }
1304
1305 /* Callback for buffer_size. */
1306 static void *
1307 format_cb_buffer_size(struct format_tree *ft)
1308 {
1309 size_t size;
1310
1311 if (ft->pb != NULL) {
1312 paste_buffer_data(ft->pb, &size);
1313 return (format_printf("%zu", size));
1314 }
1315 return (NULL);
1316 }
1317
1318 /* Callback for client_cell_height. */
1319 static void *
1320 format_cb_client_cell_height(struct format_tree *ft)
1321 {
1322 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1323 return (format_printf("%u", ft->c->tty.ypixel));
1324 return (NULL);
1325 }
1326
1327 /* Callback for client_cell_width. */
1328 static void *
1329 format_cb_client_cell_width(struct format_tree *ft)
1330 {
1331 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1332 return (format_printf("%u", ft->c->tty.xpixel));
1333 return (NULL);
1334 }
1335
1336 /* Callback for client_control_mode. */
1337 static void *
1338 format_cb_client_control_mode(struct format_tree *ft)
1339 {
1340 if (ft->c != NULL) {
1341 if (ft->c->flags & CLIENT_CONTROL)
1342 return (xstrdup("1"));
1343 return (xstrdup("0"));
1344 }
1345 return (NULL);
1346 }
1347
1348 /* Callback for client_discarded. */
1349 static void *
1350 format_cb_client_discarded(struct format_tree *ft)
1351 {
1352 if (ft->c != NULL)
1353 return (format_printf("%zu", ft->c->discarded));
1354 return (NULL);
1355 }
1356
1357 /* Callback for client_flags. */
1358 static void *
1359 format_cb_client_flags(struct format_tree *ft)
1360 {
1361 if (ft->c != NULL)
1362 return (xstrdup(server_client_get_flags(ft->c)));
1363 return (NULL);
1364 }
1365
1366 /* Callback for client_height. */
1367 static void *
1368 format_cb_client_height(struct format_tree *ft)
1369 {
1370 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1371 return (format_printf("%u", ft->c->tty.sy));
1372 return (NULL);
1373 }
1374
1375 /* Callback for client_key_table. */
1376 static void *
1377 format_cb_client_key_table(struct format_tree *ft)
1378 {
1379 if (ft->c != NULL)
1380 return (xstrdup(ft->c->keytable->name));
1381 return (NULL);
1382 }
1383
1384 /* Callback for client_last_session. */
1385 static void *
1386 format_cb_client_last_session(struct format_tree *ft)
1387 {
1388 if (ft->c != NULL &&
1389 ft->c->last_session != NULL &&
1390 session_alive(ft->c->last_session))
1391 return (xstrdup(ft->c->last_session->name));
1392 return (NULL);
1393 }
1394
1395 /* Callback for client_name. */
1396 static void *
1397 format_cb_client_name(struct format_tree *ft)
1398 {
1399 if (ft->c != NULL)
1400 return (xstrdup(ft->c->name));
1401 return (NULL);
1402 }
1403
1404 /* Callback for client_pid. */
1405 static void *
1406 format_cb_client_pid(struct format_tree *ft)
1407 {
1408 if (ft->c != NULL)
1409 return (format_printf("%ld", (long)ft->c->pid));
1410 return (NULL);
1411 }
1412
1413 /* Callback for client_prefix. */
1414 static void *
1415 format_cb_client_prefix(struct format_tree *ft)
1416 {
1417 const char *name;
1418
1419 if (ft->c != NULL) {
1420 name = server_client_get_key_table(ft->c);
1421 if (strcmp(ft->c->keytable->name, name) == 0)
1422 return (xstrdup("0"));
1423 return (xstrdup("1"));
1424 }
1425 return (NULL);
1426 }
1427
1428 /* Callback for client_readonly. */
1429 static void *
1430 format_cb_client_readonly(struct format_tree *ft)
1431 {
1432 if (ft->c != NULL) {
1433 if (ft->c->flags & CLIENT_READONLY)
1434 return (xstrdup("1"));
1435 return (xstrdup("0"));
1436 }
1437 return (NULL);
1438 }
1439
1440 /* Callback for client_session. */
1441 static void *
1442 format_cb_client_session(struct format_tree *ft)
1443 {
1444 if (ft->c != NULL && ft->c->session != NULL)
1445 return (xstrdup(ft->c->session->name));
1446 return (NULL);
1447 }
1448
1449 /* Callback for client_termfeatures. */
1450 static void *
1451 format_cb_client_termfeatures(struct format_tree *ft)
1452 {
1453 if (ft->c != NULL)
1454 return (xstrdup(tty_get_features(ft->c->term_features)));
1455 return (NULL);
1456 }
1457
1458 /* Callback for client_termname. */
1459 static void *
1460 format_cb_client_termname(struct format_tree *ft)
1461 {
1462 if (ft->c != NULL)
1463 return (xstrdup(ft->c->term_name));
1464 return (NULL);
1465 }
1466
1467 /* Callback for client_termtype. */
1468 static void *
1469 format_cb_client_termtype(struct format_tree *ft)
1470 {
1471 if (ft->c != NULL) {
1472 if (ft->c->term_type == NULL)
1473 return (xstrdup(""));
1474 return (xstrdup(ft->c->term_type));
1475 }
1476 return (NULL);
1477 }
1478
1479 /* Callback for client_tty. */
1480 static void *
1481 format_cb_client_tty(struct format_tree *ft)
1482 {
1483 if (ft->c != NULL)
1484 return (xstrdup(ft->c->ttyname));
1485 return (NULL);
1486 }
1487
1488 /* Callback for client_uid. */
1489 static void *
1490 format_cb_client_uid(struct format_tree *ft)
1491 {
1492 uid_t uid;
1493
1494 if (ft->c != NULL) {
1495 uid = proc_get_peer_uid(ft->c->peer);
1496 if (uid != (uid_t)-1)
1497 return (format_printf("%ld", (long)uid));
1498 }
1499 return (NULL);
1500 }
1501
1502 /* Callback for client_user. */
1503 static void *
1504 format_cb_client_user(struct format_tree *ft)
1505 {
1506 uid_t uid;
1507 struct passwd *pw;
1508
1509 if (ft->c != NULL) {
1510 uid = proc_get_peer_uid(ft->c->peer);
1511 if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL)
1512 return (xstrdup(pw->pw_name));
1513 }
1514 return (NULL);
1515 }
1516
1517 /* Callback for client_utf8. */
1518 static void *
1519 format_cb_client_utf8(struct format_tree *ft)
1520 {
1521 if (ft->c != NULL) {
1522 if (ft->c->flags & CLIENT_UTF8)
1523 return (xstrdup("1"));
1524 return (xstrdup("0"));
1525 }
1526 return (NULL);
1527 }
1528
1529 /* Callback for client_width. */
1530 static void *
1531 format_cb_client_width(struct format_tree *ft)
1532 {
1533 if (ft->c != NULL)
1534 return (format_printf("%u", ft->c->tty.sx));
1535 return (NULL);
1536 }
1537
1538 /* Callback for client_written. */
1539 static void *
1540 format_cb_client_written(struct format_tree *ft)
1541 {
1542 if (ft->c != NULL)
1543 return (format_printf("%zu", ft->c->written));
1544 return (NULL);
1545 }
1546
1547 /* Callback for config_files. */
1548 static void *
1549 format_cb_config_files(__unused struct format_tree *ft)
1550 {
1551 char *s = NULL;
1552 size_t slen = 0;
1553 u_int i;
1554 size_t n;
1555
1556 for (i = 0; i < cfg_nfiles; i++) {
1557 n = strlen(cfg_files[i]) + 1;
1558 s = xrealloc(s, slen + n + 1);
1559 slen += xsnprintf(s + slen, n + 1, "%s,", cfg_files[i]);
1560 }
1561 if (s == NULL)
1562 return (xstrdup(""));
1563 s[slen - 1] = '\0';
1564 return (s);
1565 }
1566
1567 /* Callback for cursor_flag. */
1568 static void *
1569 format_cb_cursor_flag(struct format_tree *ft)
1570 {
1571 if (ft->wp != NULL) {
1572 if (ft->wp->base.mode & MODE_CURSOR)
1573 return (xstrdup("1"));
1574 return (xstrdup("0"));
1575 }
1576 return (NULL);
1577 }
1578
1579 /* Callback for cursor_x. */
1580 static void *
1581 format_cb_cursor_x(struct format_tree *ft)
1582 {
1583 if (ft->wp != NULL)
1584 return (format_printf("%u", ft->wp->base.cx));
1585 return (NULL);
1586 }
1587
1588 /* Callback for cursor_y. */
1589 static void *
1590 format_cb_cursor_y(struct format_tree *ft)
1591 {
1592 if (ft->wp != NULL)
1593 return (format_printf("%u", ft->wp->base.cy));
1594 return (NULL);
1595 }
1596
1597 /* Callback for history_limit. */
1598 static void *
1599 format_cb_history_limit(struct format_tree *ft)
1600 {
1601 if (ft->wp != NULL)
1602 return (format_printf("%u", ft->wp->base.grid->hlimit));
1603 return (NULL);
1604 }
1605
1606 /* Callback for history_size. */
1607 static void *
1608 format_cb_history_size(struct format_tree *ft)
1609 {
1610 if (ft->wp != NULL)
1611 return (format_printf("%u", ft->wp->base.grid->hsize));
1612 return (NULL);
1613 }
1614
1615 /* Callback for insert_flag. */
1616 static void *
1617 format_cb_insert_flag(struct format_tree *ft)
1618 {
1619 if (ft->wp != NULL) {
1620 if (ft->wp->base.mode & MODE_INSERT)
1621 return (xstrdup("1"));
1622 return (xstrdup("0"));
1623 }
1624 return (NULL);
1625 }
1626
1627 /* Callback for keypad_cursor_flag. */
1628 static void *
1629 format_cb_keypad_cursor_flag(struct format_tree *ft)
1630 {
1631 if (ft->wp != NULL) {
1632 if (ft->wp->base.mode & MODE_KCURSOR)
1633 return (xstrdup("1"));
1634 return (xstrdup("0"));
1635 }
1636 return (NULL);
1637 }
1638
1639 /* Callback for keypad_flag. */
1640 static void *
1641 format_cb_keypad_flag(struct format_tree *ft)
1642 {
1643 if (ft->wp != NULL) {
1644 if (ft->wp->base.mode & MODE_KKEYPAD)
1645 return (xstrdup("1"));
1646 return (xstrdup("0"));
1647 }
1648 return (NULL);
1649 }
1650
1651 /* Callback for mouse_all_flag. */
1652 static void *
1653 format_cb_mouse_all_flag(struct format_tree *ft)
1654 {
1655 if (ft->wp != NULL) {
1656 if (ft->wp->base.mode & MODE_MOUSE_ALL)
1657 return (xstrdup("1"));
1658 return (xstrdup("0"));
1659 }
1660 return (NULL);
1661 }
1662
1663 /* Callback for mouse_any_flag. */
1664 static void *
1665 format_cb_mouse_any_flag(struct format_tree *ft)
1666 {
1667 if (ft->wp != NULL) {
1668 if (ft->wp->base.mode & ALL_MOUSE_MODES)
1669 return (xstrdup("1"));
1670 return (xstrdup("0"));
1671 }
1672 return (NULL);
1673 }
1674
1675 /* Callback for mouse_button_flag. */
1676 static void *
1677 format_cb_mouse_button_flag(struct format_tree *ft)
1678 {
1679 if (ft->wp != NULL) {
1680 if (ft->wp->base.mode & MODE_MOUSE_BUTTON)
1681 return (xstrdup("1"));
1682 return (xstrdup("0"));
1683 }
1684 return (NULL);
1685 }
1686
1687 /* Callback for mouse_pane. */
1688 static void *
1689 format_cb_mouse_pane(struct format_tree *ft)
1690 {
1691 struct window_pane *wp;
1692
1693 if (ft->m.valid) {
1694 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1695 if (wp != NULL)
1696 return (format_printf("%%%u", wp->id));
1697 return (NULL);
1698 }
1699 return (NULL);
1700 }
1701
1702 /* Callback for mouse_sgr_flag. */
1703 static void *
1704 format_cb_mouse_sgr_flag(struct format_tree *ft)
1705 {
1706 if (ft->wp != NULL) {
1707 if (ft->wp->base.mode & MODE_MOUSE_SGR)
1708 return (xstrdup("1"));
1709 return (xstrdup("0"));
1710 }
1711 return (NULL);
1712 }
1713
1714 /* Callback for mouse_standard_flag. */
1715 static void *
1716 format_cb_mouse_standard_flag(struct format_tree *ft)
1717 {
1718 if (ft->wp != NULL) {
1719 if (ft->wp->base.mode & MODE_MOUSE_STANDARD)
1720 return (xstrdup("1"));
1721 return (xstrdup("0"));
1722 }
1723 return (NULL);
1724 }
1725
1726 /* Callback for mouse_utf8_flag. */
1727 static void *
1728 format_cb_mouse_utf8_flag(struct format_tree *ft)
1729 {
1730 if (ft->wp != NULL) {
1731 if (ft->wp->base.mode & MODE_MOUSE_UTF8)
1732 return (xstrdup("1"));
1733 return (xstrdup("0"));
1734 }
1735 return (NULL);
1736 }
1737
1738 /* Callback for mouse_x. */
1739 static void *
1740 format_cb_mouse_x(struct format_tree *ft)
1741 {
1742 struct window_pane *wp;
1743 u_int x, y;
1744
1745 if (!ft->m.valid)
1746 return (NULL);
1747 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1748 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1749 return (format_printf("%u", x));
1750 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1751 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1752 return (format_printf("%u", ft->m.x));
1753 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1754 return (format_printf("%u", ft->m.x));
1755 }
1756 return (NULL);
1757 }
1758
1759 /* Callback for mouse_y. */
1760 static void *
1761 format_cb_mouse_y(struct format_tree *ft)
1762 {
1763 struct window_pane *wp;
1764 u_int x, y;
1765
1766 if (!ft->m.valid)
1767 return (NULL);
1768 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1769 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1770 return (format_printf("%u", y));
1771 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1772 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1773 return (format_printf("%u", ft->m.y));
1774 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1775 return (format_printf("%u", ft->m.y - ft->m.statusat));
1776 }
1777 return (NULL);
1778 }
1779
1780 /* Callback for next_session_id. */
1781 static void *
1782 format_cb_next_session_id(__unused struct format_tree *ft)
1783 {
1784 return (format_printf("$%u", next_session_id));
1785 }
1786
1787 /* Callback for origin_flag. */
1788 static void *
1789 format_cb_origin_flag(struct format_tree *ft)
1790 {
1791 if (ft->wp != NULL) {
1792 if (ft->wp->base.mode & MODE_ORIGIN)
1793 return (xstrdup("1"));
1794 return (xstrdup("0"));
1795 }
1796 return (NULL);
1797 }
1798
1799 /* Callback for pane_active. */
1800 static void *
1801 format_cb_pane_active(struct format_tree *ft)
1802 {
1803 if (ft->wp != NULL) {
1804 if (ft->wp == ft->wp->window->active)
1805 return (xstrdup("1"));
1806 return (xstrdup("0"));
1807 }
1808 return (NULL);
1809 }
1810
1811 /* Callback for pane_at_left. */
1812 static void *
1813 format_cb_pane_at_left(struct format_tree *ft)
1814 {
1815 if (ft->wp != NULL) {
1816 if (ft->wp->xoff == 0)
1817 return (xstrdup("1"));
1818 return (xstrdup("0"));
1819 }
1820 return (NULL);
1821 }
1822
1823 /* Callback for pane_at_right. */
1824 static void *
1825 format_cb_pane_at_right(struct format_tree *ft)
1826 {
1827 if (ft->wp != NULL) {
1828 if (ft->wp->xoff + ft->wp->sx == ft->wp->window->sx)
1829 return (xstrdup("1"));
1830 return (xstrdup("0"));
1831 }
1832 return (NULL);
1833 }
1834
1835 /* Callback for pane_bottom. */
1836 static void *
1837 format_cb_pane_bottom(struct format_tree *ft)
1838 {
1839 if (ft->wp != NULL)
1840 return (format_printf("%u", ft->wp->yoff + ft->wp->sy - 1));
1841 return (NULL);
1842 }
1843
1844 /* Callback for pane_dead. */
1845 static void *
1846 format_cb_pane_dead(struct format_tree *ft)
1847 {
1848 if (ft->wp != NULL) {
1849 if (ft->wp->fd == -1)
1850 return (xstrdup("1"));
1851 return (xstrdup("0"));
1852 }
1853 return (NULL);
1854 }
1855
1856 /* Callback for pane_dead_signal. */
1857 static void *
1858 format_cb_pane_dead_signal(struct format_tree *ft)
1859 {
1860 struct window_pane *wp = ft->wp;
1861 const char *name;
1862
1863 if (wp != NULL) {
1864 if ((wp->flags & PANE_STATUSREADY) && WIFSIGNALED(wp->status)) {
1865 name = sig2name(WTERMSIG(wp->status));
1866 return (format_printf("%s", name));
1867 }
1868 return (NULL);
1869 }
1870 return (NULL);
1871 }
1872
1873 /* Callback for pane_dead_status. */
1874 static void *
1875 format_cb_pane_dead_status(struct format_tree *ft)
1876 {
1877 struct window_pane *wp = ft->wp;
1878
1879 if (wp != NULL) {
1880 if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(wp->status))
1881 return (format_printf("%d", WEXITSTATUS(wp->status)));
1882 return (NULL);
1883 }
1884 return (NULL);
1885 }
1886
1887 /* Callback for pane_dead_time. */
1888 static void *
1889 format_cb_pane_dead_time(struct format_tree *ft)
1890 {
1891 struct window_pane *wp = ft->wp;
1892
1893 if (wp != NULL) {
1894 if (wp->flags & PANE_STATUSDRAWN)
1895 return (&wp->dead_time);
1896 return (NULL);
1897 }
1898 return (NULL);
1899 }
1900
1901 /* Callback for pane_format. */
1902 static void *
1903 format_cb_pane_format(struct format_tree *ft)
1904 {
1905 if (ft->type == FORMAT_TYPE_PANE)
1906 return (xstrdup("1"));
1907 return (xstrdup("0"));
1908 }
1909
1910 /* Callback for pane_height. */
1911 static void *
1912 format_cb_pane_height(struct format_tree *ft)
1913 {
1914 if (ft->wp != NULL)
1915 return (format_printf("%u", ft->wp->sy));
1916 return (NULL);
1917 }
1918
1919 /* Callback for pane_id. */
1920 static void *
1921 format_cb_pane_id(struct format_tree *ft)
1922 {
1923 if (ft->wp != NULL)
1924 return (format_printf("%%%u", ft->wp->id));
1925 return (NULL);
1926 }
1927
1928 /* Callback for pane_index. */
1929 static void *
1930 format_cb_pane_index(struct format_tree *ft)
1931 {
1932 u_int idx;
1933
1934 if (ft->wp != NULL && window_pane_index(ft->wp, &idx) == 0)
1935 return (format_printf("%u", idx));
1936 return (NULL);
1937 }
1938
1939 /* Callback for pane_input_off. */
1940 static void *
1941 format_cb_pane_input_off(struct format_tree *ft)
1942 {
1943 if (ft->wp != NULL) {
1944 if (ft->wp->flags & PANE_INPUTOFF)
1945 return (xstrdup("1"));
1946 return (xstrdup("0"));
1947 }
1948 return (NULL);
1949 }
1950
1951 /* Callback for pane_unseen_changes. */
1952 static void *
1953 format_cb_pane_unseen_changes(struct format_tree *ft)
1954 {
1955 if (ft->wp != NULL) {
1956 if (ft->wp->flags & PANE_UNSEENCHANGES)
1957 return (xstrdup("1"));
1958 return (xstrdup("0"));
1959 }
1960 return (NULL);
1961 }
1962
1963 /* Callback for pane_key_mode. */
1964 static void *
1965 format_cb_pane_key_mode(struct format_tree *ft)
1966 {
1967 if (ft->wp != NULL && ft->wp->screen != NULL) {
1968 switch (ft->wp->screen->mode & EXTENDED_KEY_MODES) {
1969 case MODE_KEYS_EXTENDED:
1970 return (xstrdup("Ext 1"));
1971 case MODE_KEYS_EXTENDED_2:
1972 return (xstrdup("Ext 2"));
1973 default:
1974 return (xstrdup("VT10x"));
1975 }
1976 }
1977 return (NULL);
1978 }
1979
1980 /* Callback for pane_last. */
1981 static void *
1982 format_cb_pane_last(struct format_tree *ft)
1983 {
1984 if (ft->wp != NULL) {
1985 if (ft->wp == TAILQ_FIRST(&ft->wp->window->last_panes))
1986 return (xstrdup("1"));
1987 return (xstrdup("0"));
1988 }
1989 return (NULL);
1990 }
1991
1992 /* Callback for pane_left. */
1993 static void *
1994 format_cb_pane_left(struct format_tree *ft)
1995 {
1996 if (ft->wp != NULL)
1997 return (format_printf("%u", ft->wp->xoff));
1998 return (NULL);
1999 }
2000
2001 /* Callback for pane_marked. */
2002 static void *
2003 format_cb_pane_marked(struct format_tree *ft)
2004 {
2005 if (ft->wp != NULL) {
2006 if (server_check_marked() && marked_pane.wp == ft->wp)
2007 return (xstrdup("1"));
2008 return (xstrdup("0"));
2009 }
2010 return (NULL);
2011 }
2012
2013 /* Callback for pane_marked_set. */
2014 static void *
2015 format_cb_pane_marked_set(struct format_tree *ft)
2016 {
2017 if (ft->wp != NULL) {
2018 if (server_check_marked())
2019 return (xstrdup("1"));
2020 return (xstrdup("0"));
2021 }
2022 return (NULL);
2023 }
2024
2025 /* Callback for pane_mode. */
2026 static void *
2027 format_cb_pane_mode(struct format_tree *ft)
2028 {
2029 struct window_mode_entry *wme;
2030
2031 if (ft->wp != NULL) {
2032 wme = TAILQ_FIRST(&ft->wp->modes);
2033 if (wme != NULL)
2034 return (xstrdup(wme->mode->name));
2035 return (NULL);
2036 }
2037 return (NULL);
2038 }
2039
2040 /* Callback for pane_path. */
2041 static void *
2042 format_cb_pane_path(struct format_tree *ft)
2043 {
2044 if (ft->wp != NULL) {
2045 if (ft->wp->base.path == NULL)
2046 return (xstrdup(""));
2047 return (xstrdup(ft->wp->base.path));
2048 }
2049 return (NULL);
2050 }
2051
2052 /* Callback for pane_pid. */
2053 static void *
2054 format_cb_pane_pid(struct format_tree *ft)
2055 {
2056 if (ft->wp != NULL)
2057 return (format_printf("%ld", (long)ft->wp->pid));
2058 return (NULL);
2059 }
2060
2061 /* Callback for pane_pipe. */
2062 static void *
2063 format_cb_pane_pipe(struct format_tree *ft)
2064 {
2065 if (ft->wp != NULL) {
2066 if (ft->wp->pipe_fd != -1)
2067 return (xstrdup("1"));
2068 return (xstrdup("0"));
2069 }
2070 return (NULL);
2071 }
2072
2073 /* Callback for pane_right. */
2074 static void *
2075 format_cb_pane_right(struct format_tree *ft)
2076 {
2077 if (ft->wp != NULL)
2078 return (format_printf("%u", ft->wp->xoff + ft->wp->sx - 1));
2079 return (NULL);
2080 }
2081
2082 /* Callback for pane_search_string. */
2083 static void *
2084 format_cb_pane_search_string(struct format_tree *ft)
2085 {
2086 if (ft->wp != NULL) {
2087 if (ft->wp->searchstr == NULL)
2088 return (xstrdup(""));
2089 return (xstrdup(ft->wp->searchstr));
2090 }
2091 return (NULL);
2092 }
2093
2094 /* Callback for pane_synchronized. */
2095 static void *
2096 format_cb_pane_synchronized(struct format_tree *ft)
2097 {
2098 if (ft->wp != NULL) {
2099 if (options_get_number(ft->wp->options, "synchronize-panes"))
2100 return (xstrdup("1"));
2101 return (xstrdup("0"));
2102 }
2103 return (NULL);
2104 }
2105
2106 /* Callback for pane_title. */
2107 static void *
2108 format_cb_pane_title(struct format_tree *ft)
2109 {
2110 if (ft->wp != NULL)
2111 return (xstrdup(ft->wp->base.title));
2112 return (NULL);
2113 }
2114
2115 /* Callback for pane_top. */
2116 static void *
2117 format_cb_pane_top(struct format_tree *ft)
2118 {
2119 if (ft->wp != NULL)
2120 return (format_printf("%u", ft->wp->yoff));
2121 return (NULL);
2122 }
2123
2124 /* Callback for pane_tty. */
2125 static void *
2126 format_cb_pane_tty(struct format_tree *ft)
2127 {
2128 if (ft->wp != NULL)
2129 return (xstrdup(ft->wp->tty));
2130 return (NULL);
2131 }
2132
2133 /* Callback for pane_width. */
2134 static void *
2135 format_cb_pane_width(struct format_tree *ft)
2136 {
2137 if (ft->wp != NULL)
2138 return (format_printf("%u", ft->wp->sx));
2139 return (NULL);
2140 }
2141
2142 /* Callback for scroll_region_lower. */
2143 static void *
2144 format_cb_scroll_region_lower(struct format_tree *ft)
2145 {
2146 if (ft->wp != NULL)
2147 return (format_printf("%u", ft->wp->base.rlower));
2148 return (NULL);
2149 }
2150
2151 /* Callback for scroll_region_upper. */
2152 static void *
2153 format_cb_scroll_region_upper(struct format_tree *ft)
2154 {
2155 if (ft->wp != NULL)
2156 return (format_printf("%u", ft->wp->base.rupper));
2157 return (NULL);
2158 }
2159
2160 /* Callback for server_sessions. */
2161 static void *
2162 format_cb_server_sessions(__unused struct format_tree *ft)
2163 {
2164 struct session *s;
2165 u_int n = 0;
2166
2167 RB_FOREACH(s, sessions, &sessions)
2168 n++;
2169 return (format_printf("%u", n));
2170 }
2171
2172 /* Callback for session_attached. */
2173 static void *
2174 format_cb_session_attached(struct format_tree *ft)
2175 {
2176 if (ft->s != NULL)
2177 return (format_printf("%u", ft->s->attached));
2178 return (NULL);
2179 }
2180
2181 /* Callback for session_format. */
2182 static void *
2183 format_cb_session_format(struct format_tree *ft)
2184 {
2185 if (ft->type == FORMAT_TYPE_SESSION)
2186 return (xstrdup("1"));
2187 return (xstrdup("0"));
2188 }
2189
2190 /* Callback for session_group. */
2191 static void *
2192 format_cb_session_group(struct format_tree *ft)
2193 {
2194 struct session_group *sg;
2195
2196 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2197 return (xstrdup(sg->name));
2198 return (NULL);
2199 }
2200
2201 /* Callback for session_group_attached. */
2202 static void *
2203 format_cb_session_group_attached(struct format_tree *ft)
2204 {
2205 struct session_group *sg;
2206
2207 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2208 return (format_printf("%u", session_group_attached_count (sg)));
2209 return (NULL);
2210 }
2211
2212 /* Callback for session_group_many_attached. */
2213 static void *
2214 format_cb_session_group_many_attached(struct format_tree *ft)
2215 {
2216 struct session_group *sg;
2217
2218 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL) {
2219 if (session_group_attached_count (sg) > 1)
2220 return (xstrdup("1"));
2221 return (xstrdup("0"));
2222 }
2223 return (NULL);
2224 }
2225
2226 /* Callback for session_group_size. */
2227 static void *
2228 format_cb_session_group_size(struct format_tree *ft)
2229 {
2230 struct session_group *sg;
2231
2232 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2233 return (format_printf("%u", session_group_count (sg)));
2234 return (NULL);
2235 }
2236
2237 /* Callback for session_grouped. */
2238 static void *
2239 format_cb_session_grouped(struct format_tree *ft)
2240 {
2241 if (ft->s != NULL) {
2242 if (session_group_contains(ft->s) != NULL)
2243 return (xstrdup("1"));
2244 return (xstrdup("0"));
2245 }
2246 return (NULL);
2247 }
2248
2249 /* Callback for session_id. */
2250 static void *
2251 format_cb_session_id(struct format_tree *ft)
2252 {
2253 if (ft->s != NULL)
2254 return (format_printf("$%u", ft->s->id));
2255 return (NULL);
2256 }
2257
2258 /* Callback for session_many_attached. */
2259 static void *
2260 format_cb_session_many_attached(struct format_tree *ft)
2261 {
2262 if (ft->s != NULL) {
2263 if (ft->s->attached > 1)
2264 return (xstrdup("1"));
2265 return (xstrdup("0"));
2266 }
2267 return (NULL);
2268 }
2269
2270 /* Callback for session_marked. */
2271 static void *
2272 format_cb_session_marked(struct format_tree *ft)
2273 {
2274 if (ft->s != NULL) {
2275 if (server_check_marked() && marked_pane.s == ft->s)
2276 return (xstrdup("1"));
2277 return (xstrdup("0"));
2278 }
2279 return (NULL);
2280 }
2281
2282 /* Callback for session_name. */
2283 static void *
2284 format_cb_session_name(struct format_tree *ft)
2285 {
2286 if (ft->s != NULL)
2287 return (xstrdup(ft->s->name));
2288 return (NULL);
2289 }
2290
2291 /* Callback for session_path. */
2292 static void *
2293 format_cb_session_path(struct format_tree *ft)
2294 {
2295 if (ft->s != NULL)
2296 return (xstrdup(ft->s->cwd));
2297 return (NULL);
2298 }
2299
2300 /* Callback for session_windows. */
2301 static void *
2302 format_cb_session_windows(struct format_tree *ft)
2303 {
2304 if (ft->s != NULL)
2305 return (format_printf("%u", winlink_count(&ft->s->windows)));
2306 return (NULL);
2307 }
2308
2309 /* Callback for socket_path. */
2310 static void *
2311 format_cb_socket_path(__unused struct format_tree *ft)
2312 {
2313 return (xstrdup(socket_path));
2314 }
2315
2316 /* Callback for version. */
2317 static void *
2318 format_cb_version(__unused struct format_tree *ft)
2319 {
2320 return (xstrdup(getversion()));
2321 }
2322
2323 /* Callback for active_window_index. */
2324 static void *
2325 format_cb_active_window_index(struct format_tree *ft)
2326 {
2327 if (ft->s != NULL)
2328 return (format_printf("%u", ft->s->curw->idx));
2329 return (NULL);
2330 }
2331
2332 /* Callback for last_window_index. */
2333 static void *
2334 format_cb_last_window_index(struct format_tree *ft)
2335 {
2336 struct winlink *wl;
2337
2338 if (ft->s != NULL) {
2339 wl = RB_MAX(winlinks, &ft->s->windows);
2340 return (format_printf("%u", wl->idx));
2341 }
2342 return (NULL);
2343 }
2344
2345 /* Callback for window_active. */
2346 static void *
2347 format_cb_window_active(struct format_tree *ft)
2348 {
2349 if (ft->wl != NULL) {
2350 if (ft->wl == ft->wl->session->curw)
2351 return (xstrdup("1"));
2352 return (xstrdup("0"));
2353 }
2354 return (NULL);
2355 }
2356
2357 /* Callback for window_activity_flag. */
2358 static void *
2359 format_cb_window_activity_flag(struct format_tree *ft)
2360 {
2361 if (ft->wl != NULL) {
2362 if (ft->wl->flags & WINLINK_ACTIVITY)
2363 return (xstrdup("1"));
2364 return (xstrdup("0"));
2365 }
2366 return (NULL);
2367 }
2368
2369 /* Callback for window_bell_flag. */
2370 static void *
2371 format_cb_window_bell_flag(struct format_tree *ft)
2372 {
2373 if (ft->wl != NULL) {
2374 if (ft->wl->flags & WINLINK_BELL)
2375 return (xstrdup("1"));
2376 return (xstrdup("0"));
2377 }
2378 return (NULL);
2379 }
2380
2381 /* Callback for window_bigger. */
2382 static void *
2383 format_cb_window_bigger(struct format_tree *ft)
2384 {
2385 u_int ox, oy, sx, sy;
2386
2387 if (ft->c != NULL) {
2388 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2389 return (xstrdup("1"));
2390 return (xstrdup("0"));
2391 }
2392 return (NULL);
2393 }
2394
2395 /* Callback for window_cell_height. */
2396 static void *
2397 format_cb_window_cell_height(struct format_tree *ft)
2398 {
2399 if (ft->w != NULL)
2400 return (format_printf("%u", ft->w->ypixel));
2401 return (NULL);
2402 }
2403
2404 /* Callback for window_cell_width. */
2405 static void *
2406 format_cb_window_cell_width(struct format_tree *ft)
2407 {
2408 if (ft->w != NULL)
2409 return (format_printf("%u", ft->w->xpixel));
2410 return (NULL);
2411 }
2412
2413 /* Callback for window_end_flag. */
2414 static void *
2415 format_cb_window_end_flag(struct format_tree *ft)
2416 {
2417 if (ft->wl != NULL) {
2418 if (ft->wl == RB_MAX(winlinks, &ft->wl->session->windows))
2419 return (xstrdup("1"));
2420 return (xstrdup("0"));
2421 }
2422 return (NULL);
2423 }
2424
2425 /* Callback for window_flags. */
2426 static void *
2427 format_cb_window_flags(struct format_tree *ft)
2428 {
2429 if (ft->wl != NULL)
2430 return (xstrdup(window_printable_flags(ft->wl, 1)));
2431 return (NULL);
2432 }
2433
2434 /* Callback for window_format. */
2435 static void *
2436 format_cb_window_format(struct format_tree *ft)
2437 {
2438 if (ft->type == FORMAT_TYPE_WINDOW)
2439 return (xstrdup("1"));
2440 return (xstrdup("0"));
2441 }
2442
2443 /* Callback for window_height. */
2444 static void *
2445 format_cb_window_height(struct format_tree *ft)
2446 {
2447 if (ft->w != NULL)
2448 return (format_printf("%u", ft->w->sy));
2449 return (NULL);
2450 }
2451
2452 /* Callback for window_id. */
2453 static void *
2454 format_cb_window_id(struct format_tree *ft)
2455 {
2456 if (ft->w != NULL)
2457 return (format_printf("@%u", ft->w->id));
2458 return (NULL);
2459 }
2460
2461 /* Callback for window_index. */
2462 static void *
2463 format_cb_window_index(struct format_tree *ft)
2464 {
2465 if (ft->wl != NULL)
2466 return (format_printf("%d", ft->wl->idx));
2467 return (NULL);
2468 }
2469
2470 /* Callback for window_last_flag. */
2471 static void *
2472 format_cb_window_last_flag(struct format_tree *ft)
2473 {
2474 if (ft->wl != NULL) {
2475 if (ft->wl == TAILQ_FIRST(&ft->wl->session->lastw))
2476 return (xstrdup("1"));
2477 return (xstrdup("0"));
2478 }
2479 return (NULL);
2480 }
2481
2482 /* Callback for window_linked. */
2483 static void *
2484 format_cb_window_linked(struct format_tree *ft)
2485 {
2486 if (ft->wl != NULL) {
2487 if (session_is_linked(ft->wl->session, ft->wl->window))
2488 return (xstrdup("1"));
2489 return (xstrdup("0"));
2490 }
2491 return (NULL);
2492 }
2493
2494 /* Callback for window_linked_sessions. */
2495 static void *
2496 format_cb_window_linked_sessions(struct format_tree *ft)
2497 {
2498 if (ft->wl != NULL)
2499 return (format_printf("%u", ft->wl->window->references));
2500 return (NULL);
2501 }
2502
2503 /* Callback for window_marked_flag. */
2504 static void *
2505 format_cb_window_marked_flag(struct format_tree *ft)
2506 {
2507 if (ft->wl != NULL) {
2508 if (server_check_marked() && marked_pane.wl == ft->wl)
2509 return (xstrdup("1"));
2510 return (xstrdup("0"));
2511 }
2512 return (NULL);
2513 }
2514
2515 /* Callback for window_name. */
2516 static void *
2517 format_cb_window_name(struct format_tree *ft)
2518 {
2519 if (ft->w != NULL)
2520 return (format_printf("%s", ft->w->name));
2521 return (NULL);
2522 }
2523
2524 /* Callback for window_offset_x. */
2525 static void *
2526 format_cb_window_offset_x(struct format_tree *ft)
2527 {
2528 u_int ox, oy, sx, sy;
2529
2530 if (ft->c != NULL) {
2531 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2532 return (format_printf("%u", ox));
2533 return (NULL);
2534 }
2535 return (NULL);
2536 }
2537
2538 /* Callback for window_offset_y. */
2539 static void *
2540 format_cb_window_offset_y(struct format_tree *ft)
2541 {
2542 u_int ox, oy, sx, sy;
2543
2544 if (ft->c != NULL) {
2545 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2546 return (format_printf("%u", oy));
2547 return (NULL);
2548 }
2549 return (NULL);
2550 }
2551
2552 /* Callback for window_panes. */
2553 static void *
2554 format_cb_window_panes(struct format_tree *ft)
2555 {
2556 if (ft->w != NULL)
2557 return (format_printf("%u", window_count_panes(ft->w)));
2558 return (NULL);
2559 }
2560
2561 /* Callback for window_raw_flags. */
2562 static void *
2563 format_cb_window_raw_flags(struct format_tree *ft)
2564 {
2565 if (ft->wl != NULL)
2566 return (xstrdup(window_printable_flags(ft->wl, 0)));
2567 return (NULL);
2568 }
2569
2570 /* Callback for window_silence_flag. */
2571 static void *
2572 format_cb_window_silence_flag(struct format_tree *ft)
2573 {
2574 if (ft->wl != NULL) {
2575 if (ft->wl->flags & WINLINK_SILENCE)
2576 return (xstrdup("1"));
2577 return (xstrdup("0"));
2578 }
2579 return (NULL);
2580 }
2581
2582 /* Callback for window_start_flag. */
2583 static void *
2584 format_cb_window_start_flag(struct format_tree *ft)
2585 {
2586 if (ft->wl != NULL) {
2587 if (ft->wl == RB_MIN(winlinks, &ft->wl->session->windows))
2588 return (xstrdup("1"));
2589 return (xstrdup("0"));
2590 }
2591 return (NULL);
2592 }
2593
2594 /* Callback for window_width. */
2595 static void *
2596 format_cb_window_width(struct format_tree *ft)
2597 {
2598 if (ft->w != NULL)
2599 return (format_printf("%u", ft->w->sx));
2600 return (NULL);
2601 }
2602
2603 /* Callback for window_zoomed_flag. */
2604 static void *
2605 format_cb_window_zoomed_flag(struct format_tree *ft)
2606 {
2607 if (ft->w != NULL) {
2608 if (ft->w->flags & WINDOW_ZOOMED)
2609 return (xstrdup("1"));
2610 return (xstrdup("0"));
2611 }
2612 return (NULL);
2613 }
2614
2615 /* Callback for wrap_flag. */
2616 static void *
2617 format_cb_wrap_flag(struct format_tree *ft)
2618 {
2619 if (ft->wp != NULL) {
2620 if (ft->wp->base.mode & MODE_WRAP)
2621 return (xstrdup("1"));
2622 return (xstrdup("0"));
2623 }
2624 return (NULL);
2625 }
2626
2627 /* Callback for buffer_created. */
2628 static void *
2629 format_cb_buffer_created(struct format_tree *ft)
2630 {
2631 static struct timeval tv;
2632
2633 if (ft->pb != NULL) {
2634 timerclear(&tv);
2635 tv.tv_sec = paste_buffer_created(ft->pb);
2636 return (&tv);
2637 }
2638 return (NULL);
2639 }
2640
2641 /* Callback for client_activity. */
2642 static void *
2643 format_cb_client_activity(struct format_tree *ft)
2644 {
2645 if (ft->c != NULL)
2646 return (&ft->c->activity_time);
2647 return (NULL);
2648 }
2649
2650 /* Callback for client_created. */
2651 static void *
2652 format_cb_client_created(struct format_tree *ft)
2653 {
2654 if (ft->c != NULL)
2655 return (&ft->c->creation_time);
2656 return (NULL);
2657 }
2658
2659 /* Callback for session_activity. */
2660 static void *
2661 format_cb_session_activity(struct format_tree *ft)
2662 {
2663 if (ft->s != NULL)
2664 return (&ft->s->activity_time);
2665 return (NULL);
2666 }
2667
2668 /* Callback for session_created. */
2669 static void *
2670 format_cb_session_created(struct format_tree *ft)
2671 {
2672 if (ft->s != NULL)
2673 return (&ft->s->creation_time);
2674 return (NULL);
2675 }
2676
2677 /* Callback for session_last_attached. */
2678 static void *
2679 format_cb_session_last_attached(struct format_tree *ft)
2680 {
2681 if (ft->s != NULL)
2682 return (&ft->s->last_attached_time);
2683 return (NULL);
2684 }
2685
2686 /* Callback for start_time. */
2687 static void *
2688 format_cb_start_time(__unused struct format_tree *ft)
2689 {
2690 return (&start_time);
2691 }
2692
2693 /* Callback for window_activity. */
2694 static void *
2695 format_cb_window_activity(struct format_tree *ft)
2696 {
2697 if (ft->w != NULL)
2698 return (&ft->w->activity_time);
2699 return (NULL);
2700 }
2701
2702 /* Callback for buffer_mode_format, */
2703 static void *
2704 format_cb_buffer_mode_format(__unused struct format_tree *ft)
2705 {
2706 return (xstrdup(window_buffer_mode.default_format));
2707 }
2708
2709 /* Callback for client_mode_format, */
2710 static void *
2711 format_cb_client_mode_format(__unused struct format_tree *ft)
2712 {
2713 return (xstrdup(window_client_mode.default_format));
2714 }
2715
2716 /* Callback for tree_mode_format, */
2717 static void *
2718 format_cb_tree_mode_format(__unused struct format_tree *ft)
2719 {
2720 return (xstrdup(window_tree_mode.default_format));
2721 }
2722
2723 /* Callback for uid. */
2724 static void *
2725 format_cb_uid(__unused struct format_tree *ft)
2726 {
2727 return (format_printf("%ld", (long)getuid()));
2728 }
2729
2730 /* Callback for user. */
2731 static void *
2732 format_cb_user(__unused struct format_tree *ft)
2733 {
2734 struct passwd *pw;
2735
2736 if ((pw = getpwuid(getuid())) != NULL)
2737 return (xstrdup(pw->pw_name));
2738 return (NULL);
2739 }
2740
2741 /* Format table type. */
2742 enum format_table_type {
2743 FORMAT_TABLE_STRING,
2744 FORMAT_TABLE_TIME
2745 };
2746
2747 /* Format table entry. */
2748 struct format_table_entry {
2749 const char *key;
2750 enum format_table_type type;
2751 format_cb cb;
2752 };
2753
2754 /*
2755 * Format table. Default format variables (that are almost always in the tree
2756 * and where the value is expanded by a callback in this file) are listed here.
2757 * Only variables which are added by the caller go into the tree.
2758 */
2759 static const struct format_table_entry format_table[] = {
2760 { "active_window_index", FORMAT_TABLE_STRING,
2761 format_cb_active_window_index
2762 },
2763 { "alternate_on", FORMAT_TABLE_STRING,
2764 format_cb_alternate_on
2765 },
2766 { "alternate_saved_x", FORMAT_TABLE_STRING,
2767 format_cb_alternate_saved_x
2768 },
2769 { "alternate_saved_y", FORMAT_TABLE_STRING,
2770 format_cb_alternate_saved_y
2771 },
2772 { "buffer_created", FORMAT_TABLE_TIME,
2773 format_cb_buffer_created
2774 },
2775 { "buffer_mode_format", FORMAT_TABLE_STRING,
2776 format_cb_buffer_mode_format
2777 },
2778 { "buffer_name", FORMAT_TABLE_STRING,
2779 format_cb_buffer_name
2780 },
2781 { "buffer_sample", FORMAT_TABLE_STRING,
2782 format_cb_buffer_sample
2783 },
2784 { "buffer_size", FORMAT_TABLE_STRING,
2785 format_cb_buffer_size
2786 },
2787 { "client_activity", FORMAT_TABLE_TIME,
2788 format_cb_client_activity
2789 },
2790 { "client_cell_height", FORMAT_TABLE_STRING,
2791 format_cb_client_cell_height
2792 },
2793 { "client_cell_width", FORMAT_TABLE_STRING,
2794 format_cb_client_cell_width
2795 },
2796 { "client_control_mode", FORMAT_TABLE_STRING,
2797 format_cb_client_control_mode
2798 },
2799 { "client_created", FORMAT_TABLE_TIME,
2800 format_cb_client_created
2801 },
2802 { "client_discarded", FORMAT_TABLE_STRING,
2803 format_cb_client_discarded
2804 },
2805 { "client_flags", FORMAT_TABLE_STRING,
2806 format_cb_client_flags
2807 },
2808 { "client_height", FORMAT_TABLE_STRING,
2809 format_cb_client_height
2810 },
2811 { "client_key_table", FORMAT_TABLE_STRING,
2812 format_cb_client_key_table
2813 },
2814 { "client_last_session", FORMAT_TABLE_STRING,
2815 format_cb_client_last_session
2816 },
2817 { "client_mode_format", FORMAT_TABLE_STRING,
2818 format_cb_client_mode_format
2819 },
2820 { "client_name", FORMAT_TABLE_STRING,
2821 format_cb_client_name
2822 },
2823 { "client_pid", FORMAT_TABLE_STRING,
2824 format_cb_client_pid
2825 },
2826 { "client_prefix", FORMAT_TABLE_STRING,
2827 format_cb_client_prefix
2828 },
2829 { "client_readonly", FORMAT_TABLE_STRING,
2830 format_cb_client_readonly
2831 },
2832 { "client_session", FORMAT_TABLE_STRING,
2833 format_cb_client_session
2834 },
2835 { "client_termfeatures", FORMAT_TABLE_STRING,
2836 format_cb_client_termfeatures
2837 },
2838 { "client_termname", FORMAT_TABLE_STRING,
2839 format_cb_client_termname
2840 },
2841 { "client_termtype", FORMAT_TABLE_STRING,
2842 format_cb_client_termtype
2843 },
2844 { "client_tty", FORMAT_TABLE_STRING,
2845 format_cb_client_tty
2846 },
2847 { "client_uid", FORMAT_TABLE_STRING,
2848 format_cb_client_uid
2849 },
2850 { "client_user", FORMAT_TABLE_STRING,
2851 format_cb_client_user
2852 },
2853 { "client_utf8", FORMAT_TABLE_STRING,
2854 format_cb_client_utf8
2855 },
2856 { "client_width", FORMAT_TABLE_STRING,
2857 format_cb_client_width
2858 },
2859 { "client_written", FORMAT_TABLE_STRING,
2860 format_cb_client_written
2861 },
2862 { "config_files", FORMAT_TABLE_STRING,
2863 format_cb_config_files
2864 },
2865 { "cursor_character", FORMAT_TABLE_STRING,
2866 format_cb_cursor_character
2867 },
2868 { "cursor_flag", FORMAT_TABLE_STRING,
2869 format_cb_cursor_flag
2870 },
2871 { "cursor_x", FORMAT_TABLE_STRING,
2872 format_cb_cursor_x
2873 },
2874 { "cursor_y", FORMAT_TABLE_STRING,
2875 format_cb_cursor_y
2876 },
2877 { "history_all_bytes", FORMAT_TABLE_STRING,
2878 format_cb_history_all_bytes
2879 },
2880 { "history_bytes", FORMAT_TABLE_STRING,
2881 format_cb_history_bytes
2882 },
2883 { "history_limit", FORMAT_TABLE_STRING,
2884 format_cb_history_limit
2885 },
2886 { "history_size", FORMAT_TABLE_STRING,
2887 format_cb_history_size
2888 },
2889 { "host", FORMAT_TABLE_STRING,
2890 format_cb_host
2891 },
2892 { "host_short", FORMAT_TABLE_STRING,
2893 format_cb_host_short
2894 },
2895 { "insert_flag", FORMAT_TABLE_STRING,
2896 format_cb_insert_flag
2897 },
2898 { "keypad_cursor_flag", FORMAT_TABLE_STRING,
2899 format_cb_keypad_cursor_flag
2900 },
2901 { "keypad_flag", FORMAT_TABLE_STRING,
2902 format_cb_keypad_flag
2903 },
2904 { "last_window_index", FORMAT_TABLE_STRING,
2905 format_cb_last_window_index
2906 },
2907 { "mouse_all_flag", FORMAT_TABLE_STRING,
2908 format_cb_mouse_all_flag
2909 },
2910 { "mouse_any_flag", FORMAT_TABLE_STRING,
2911 format_cb_mouse_any_flag
2912 },
2913 { "mouse_button_flag", FORMAT_TABLE_STRING,
2914 format_cb_mouse_button_flag
2915 },
2916 { "mouse_hyperlink", FORMAT_TABLE_STRING,
2917 format_cb_mouse_hyperlink
2918 },
2919 { "mouse_line", FORMAT_TABLE_STRING,
2920 format_cb_mouse_line
2921 },
2922 { "mouse_pane", FORMAT_TABLE_STRING,
2923 format_cb_mouse_pane
2924 },
2925 { "mouse_sgr_flag", FORMAT_TABLE_STRING,
2926 format_cb_mouse_sgr_flag
2927 },
2928 { "mouse_standard_flag", FORMAT_TABLE_STRING,
2929 format_cb_mouse_standard_flag
2930 },
2931 { "mouse_status_line", FORMAT_TABLE_STRING,
2932 format_cb_mouse_status_line
2933 },
2934 { "mouse_status_range", FORMAT_TABLE_STRING,
2935 format_cb_mouse_status_range
2936 },
2937 { "mouse_utf8_flag", FORMAT_TABLE_STRING,
2938 format_cb_mouse_utf8_flag
2939 },
2940 { "mouse_word", FORMAT_TABLE_STRING,
2941 format_cb_mouse_word
2942 },
2943 { "mouse_x", FORMAT_TABLE_STRING,
2944 format_cb_mouse_x
2945 },
2946 { "mouse_y", FORMAT_TABLE_STRING,
2947 format_cb_mouse_y
2948 },
2949 { "next_session_id", FORMAT_TABLE_STRING,
2950 format_cb_next_session_id
2951 },
2952 { "origin_flag", FORMAT_TABLE_STRING,
2953 format_cb_origin_flag
2954 },
2955 { "pane_active", FORMAT_TABLE_STRING,
2956 format_cb_pane_active
2957 },
2958 { "pane_at_bottom", FORMAT_TABLE_STRING,
2959 format_cb_pane_at_bottom
2960 },
2961 { "pane_at_left", FORMAT_TABLE_STRING,
2962 format_cb_pane_at_left
2963 },
2964 { "pane_at_right", FORMAT_TABLE_STRING,
2965 format_cb_pane_at_right
2966 },
2967 { "pane_at_top", FORMAT_TABLE_STRING,
2968 format_cb_pane_at_top
2969 },
2970 { "pane_bg", FORMAT_TABLE_STRING,
2971 format_cb_pane_bg
2972 },
2973 { "pane_bottom", FORMAT_TABLE_STRING,
2974 format_cb_pane_bottom
2975 },
2976 { "pane_current_command", FORMAT_TABLE_STRING,
2977 format_cb_current_command
2978 },
2979 { "pane_current_path", FORMAT_TABLE_STRING,
2980 format_cb_current_path
2981 },
2982 { "pane_dead", FORMAT_TABLE_STRING,
2983 format_cb_pane_dead
2984 },
2985 { "pane_dead_signal", FORMAT_TABLE_STRING,
2986 format_cb_pane_dead_signal
2987 },
2988 { "pane_dead_status", FORMAT_TABLE_STRING,
2989 format_cb_pane_dead_status
2990 },
2991 { "pane_dead_time", FORMAT_TABLE_TIME,
2992 format_cb_pane_dead_time
2993 },
2994 { "pane_fg", FORMAT_TABLE_STRING,
2995 format_cb_pane_fg
2996 },
2997 { "pane_format", FORMAT_TABLE_STRING,
2998 format_cb_pane_format
2999 },
3000 { "pane_height", FORMAT_TABLE_STRING,
3001 format_cb_pane_height
3002 },
3003 { "pane_id", FORMAT_TABLE_STRING,
3004 format_cb_pane_id
3005 },
3006 { "pane_in_mode", FORMAT_TABLE_STRING,
3007 format_cb_pane_in_mode
3008 },
3009 { "pane_index", FORMAT_TABLE_STRING,
3010 format_cb_pane_index
3011 },
3012 { "pane_input_off", FORMAT_TABLE_STRING,
3013 format_cb_pane_input_off
3014 },
3015 { "pane_key_mode", FORMAT_TABLE_STRING,
3016 format_cb_pane_key_mode
3017 },
3018 { "pane_last", FORMAT_TABLE_STRING,
3019 format_cb_pane_last
3020 },
3021 { "pane_left", FORMAT_TABLE_STRING,
3022 format_cb_pane_left
3023 },
3024 { "pane_marked", FORMAT_TABLE_STRING,
3025 format_cb_pane_marked
3026 },
3027 { "pane_marked_set", FORMAT_TABLE_STRING,
3028 format_cb_pane_marked_set
3029 },
3030 { "pane_mode", FORMAT_TABLE_STRING,
3031 format_cb_pane_mode
3032 },
3033 { "pane_path", FORMAT_TABLE_STRING,
3034 format_cb_pane_path
3035 },
3036 { "pane_pid", FORMAT_TABLE_STRING,
3037 format_cb_pane_pid
3038 },
3039 { "pane_pipe", FORMAT_TABLE_STRING,
3040 format_cb_pane_pipe
3041 },
3042 { "pane_right", FORMAT_TABLE_STRING,
3043 format_cb_pane_right
3044 },
3045 { "pane_search_string", FORMAT_TABLE_STRING,
3046 format_cb_pane_search_string
3047 },
3048 { "pane_start_command", FORMAT_TABLE_STRING,
3049 format_cb_start_command
3050 },
3051 { "pane_start_path", FORMAT_TABLE_STRING,
3052 format_cb_start_path
3053 },
3054 { "pane_synchronized", FORMAT_TABLE_STRING,
3055 format_cb_pane_synchronized
3056 },
3057 { "pane_tabs", FORMAT_TABLE_STRING,
3058 format_cb_pane_tabs
3059 },
3060 { "pane_title", FORMAT_TABLE_STRING,
3061 format_cb_pane_title
3062 },
3063 { "pane_top", FORMAT_TABLE_STRING,
3064 format_cb_pane_top
3065 },
3066 { "pane_tty", FORMAT_TABLE_STRING,
3067 format_cb_pane_tty
3068 },
3069 { "pane_unseen_changes", FORMAT_TABLE_STRING,
3070 format_cb_pane_unseen_changes
3071 },
3072 { "pane_width", FORMAT_TABLE_STRING,
3073 format_cb_pane_width
3074 },
3075 { "pid", FORMAT_TABLE_STRING,
3076 format_cb_pid
3077 },
3078 { "scroll_region_lower", FORMAT_TABLE_STRING,
3079 format_cb_scroll_region_lower
3080 },
3081 { "scroll_region_upper", FORMAT_TABLE_STRING,
3082 format_cb_scroll_region_upper
3083 },
3084 { "server_sessions", FORMAT_TABLE_STRING,
3085 format_cb_server_sessions
3086 },
3087 { "session_activity", FORMAT_TABLE_TIME,
3088 format_cb_session_activity
3089 },
3090 { "session_alerts", FORMAT_TABLE_STRING,
3091 format_cb_session_alerts
3092 },
3093 { "session_attached", FORMAT_TABLE_STRING,
3094 format_cb_session_attached
3095 },
3096 { "session_attached_list", FORMAT_TABLE_STRING,
3097 format_cb_session_attached_list
3098 },
3099 { "session_created", FORMAT_TABLE_TIME,
3100 format_cb_session_created
3101 },
3102 { "session_format", FORMAT_TABLE_STRING,
3103 format_cb_session_format
3104 },
3105 { "session_group", FORMAT_TABLE_STRING,
3106 format_cb_session_group
3107 },
3108 { "session_group_attached", FORMAT_TABLE_STRING,
3109 format_cb_session_group_attached
3110 },
3111 { "session_group_attached_list", FORMAT_TABLE_STRING,
3112 format_cb_session_group_attached_list
3113 },
3114 { "session_group_list", FORMAT_TABLE_STRING,
3115 format_cb_session_group_list
3116 },
3117 { "session_group_many_attached", FORMAT_TABLE_STRING,
3118 format_cb_session_group_many_attached
3119 },
3120 { "session_group_size", FORMAT_TABLE_STRING,
3121 format_cb_session_group_size
3122 },
3123 { "session_grouped", FORMAT_TABLE_STRING,
3124 format_cb_session_grouped
3125 },
3126 { "session_id", FORMAT_TABLE_STRING,
3127 format_cb_session_id
3128 },
3129 { "session_last_attached", FORMAT_TABLE_TIME,
3130 format_cb_session_last_attached
3131 },
3132 { "session_many_attached", FORMAT_TABLE_STRING,
3133 format_cb_session_many_attached
3134 },
3135 { "session_marked", FORMAT_TABLE_STRING,
3136 format_cb_session_marked,
3137 },
3138 { "session_name", FORMAT_TABLE_STRING,
3139 format_cb_session_name
3140 },
3141 { "session_path", FORMAT_TABLE_STRING,
3142 format_cb_session_path
3143 },
3144 { "session_stack", FORMAT_TABLE_STRING,
3145 format_cb_session_stack
3146 },
3147 { "session_windows", FORMAT_TABLE_STRING,
3148 format_cb_session_windows
3149 },
3150 { "socket_path", FORMAT_TABLE_STRING,
3151 format_cb_socket_path
3152 },
3153 { "start_time", FORMAT_TABLE_TIME,
3154 format_cb_start_time
3155 },
3156 { "tree_mode_format", FORMAT_TABLE_STRING,
3157 format_cb_tree_mode_format
3158 },
3159 { "uid", FORMAT_TABLE_STRING,
3160 format_cb_uid
3161 },
3162 { "user", FORMAT_TABLE_STRING,
3163 format_cb_user
3164 },
3165 { "version", FORMAT_TABLE_STRING,
3166 format_cb_version
3167 },
3168 { "window_active", FORMAT_TABLE_STRING,
3169 format_cb_window_active
3170 },
3171 { "window_active_clients", FORMAT_TABLE_STRING,
3172 format_cb_window_active_clients
3173 },
3174 { "window_active_clients_list", FORMAT_TABLE_STRING,
3175 format_cb_window_active_clients_list
3176 },
3177 { "window_active_sessions", FORMAT_TABLE_STRING,
3178 format_cb_window_active_sessions
3179 },
3180 { "window_active_sessions_list", FORMAT_TABLE_STRING,
3181 format_cb_window_active_sessions_list
3182 },
3183 { "window_activity", FORMAT_TABLE_TIME,
3184 format_cb_window_activity
3185 },
3186 { "window_activity_flag", FORMAT_TABLE_STRING,
3187 format_cb_window_activity_flag
3188 },
3189 { "window_bell_flag", FORMAT_TABLE_STRING,
3190 format_cb_window_bell_flag
3191 },
3192 { "window_bigger", FORMAT_TABLE_STRING,
3193 format_cb_window_bigger
3194 },
3195 { "window_cell_height", FORMAT_TABLE_STRING,
3196 format_cb_window_cell_height
3197 },
3198 { "window_cell_width", FORMAT_TABLE_STRING,
3199 format_cb_window_cell_width
3200 },
3201 { "window_end_flag", FORMAT_TABLE_STRING,
3202 format_cb_window_end_flag
3203 },
3204 { "window_flags", FORMAT_TABLE_STRING,
3205 format_cb_window_flags
3206 },
3207 { "window_format", FORMAT_TABLE_STRING,
3208 format_cb_window_format
3209 },
3210 { "window_height", FORMAT_TABLE_STRING,
3211 format_cb_window_height
3212 },
3213 { "window_id", FORMAT_TABLE_STRING,
3214 format_cb_window_id
3215 },
3216 { "window_index", FORMAT_TABLE_STRING,
3217 format_cb_window_index
3218 },
3219 { "window_last_flag", FORMAT_TABLE_STRING,
3220 format_cb_window_last_flag
3221 },
3222 { "window_layout", FORMAT_TABLE_STRING,
3223 format_cb_window_layout
3224 },
3225 { "window_linked", FORMAT_TABLE_STRING,
3226 format_cb_window_linked
3227 },
3228 { "window_linked_sessions", FORMAT_TABLE_STRING,
3229 format_cb_window_linked_sessions
3230 },
3231 { "window_linked_sessions_list", FORMAT_TABLE_STRING,
3232 format_cb_window_linked_sessions_list
3233 },
3234 { "window_marked_flag", FORMAT_TABLE_STRING,
3235 format_cb_window_marked_flag
3236 },
3237 { "window_name", FORMAT_TABLE_STRING,
3238 format_cb_window_name
3239 },
3240 { "window_offset_x", FORMAT_TABLE_STRING,
3241 format_cb_window_offset_x
3242 },
3243 { "window_offset_y", FORMAT_TABLE_STRING,
3244 format_cb_window_offset_y
3245 },
3246 { "window_panes", FORMAT_TABLE_STRING,
3247 format_cb_window_panes
3248 },
3249 { "window_raw_flags", FORMAT_TABLE_STRING,
3250 format_cb_window_raw_flags
3251 },
3252 { "window_silence_flag", FORMAT_TABLE_STRING,
3253 format_cb_window_silence_flag
3254 },
3255 { "window_stack_index", FORMAT_TABLE_STRING,
3256 format_cb_window_stack_index
3257 },
3258 { "window_start_flag", FORMAT_TABLE_STRING,
3259 format_cb_window_start_flag
3260 },
3261 { "window_visible_layout", FORMAT_TABLE_STRING,
3262 format_cb_window_visible_layout
3263 },
3264 { "window_width", FORMAT_TABLE_STRING,
3265 format_cb_window_width
3266 },
3267 { "window_zoomed_flag", FORMAT_TABLE_STRING,
3268 format_cb_window_zoomed_flag
3269 },
3270 { "wrap_flag", FORMAT_TABLE_STRING,
3271 format_cb_wrap_flag
3272 }
3273 };
3274
3275 /* Compare format table entries. */
3276 static int
3277 format_table_compare(const void *key0, const void *entry0)
3278 {
3279 const char *key = key0;
3280 const struct format_table_entry *entry = entry0;
3281
3282 return (strcmp(key, entry->key));
3283 }
3284
3285 /* Get a format callback. */
3286 static struct format_table_entry *
3287 format_table_get(const char *key)
3288 {
3289 return (bsearch(key, format_table, nitems(format_table),
3290 sizeof *format_table, format_table_compare));
3291 }
3292
3293 /* Merge one format tree into another. */
3294 void
3295 format_merge(struct format_tree *ft, struct format_tree *from)
3296 {
3297 struct format_entry *fe;
3298
3299 RB_FOREACH(fe, format_entry_tree, &from->tree) {
3300 if (fe->value != NULL)
3301 format_add(ft, fe->key, "%s", fe->value);
3302 }
3303 }
3304
3305 /* Get format pane. */
3306 struct window_pane *
3307 format_get_pane(struct format_tree *ft)
3308 {
3309 return (ft->wp);
3310 }
3311
3312 /* Add item bits to tree. */
3313 static void
3314 format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
3315 {
3316 struct key_event *event = cmdq_get_event(item);
3317 struct mouse_event *m = &event->m;
3318
3319 cmdq_merge_formats(item, ft);
3320 memcpy(&ft->m, m, sizeof ft->m);
3321 }
3322
3323 /* Create a new tree. */
3324 struct format_tree *
3325 format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
3326 {
3327 struct format_tree *ft;
3328
3329 ft = xcalloc(1, sizeof *ft);
3330 RB_INIT(&ft->tree);
3331
3332 if (c != NULL) {
3333 ft->client = c;
3334 ft->client->references++;
3335 }
3336 ft->item = item;
3337
3338 ft->tag = tag;
3339 ft->flags = flags;
3340
3341 if (item != NULL)
3342 format_create_add_item(ft, item);
3343
3344 return (ft);
3345 }
3346
3347 /* Free a tree. */
3348 void
3349 format_free(struct format_tree *ft)
3350 {
3351 struct format_entry *fe, *fe1;
3352
3353 RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
3354 RB_REMOVE(format_entry_tree, &ft->tree, fe);
3355 free(fe->value);
3356 free(fe->key);
3357 free(fe);
3358 }
3359
3360 if (ft->client != NULL)
3361 server_client_unref(ft->client);
3362 free(ft);
3363 }
3364
3365 /* Log each format. */
3366 static void
3367 format_log_debug_cb(const char *key, const char *value, void *arg)
3368 {
3369 const char *prefix = arg;
3370
3371 log_debug("%s: %s=%s", prefix, key, value);
3372 }
3373
3374 /* Log a format tree. */
3375 void
3376 format_log_debug(struct format_tree *ft, const char *prefix)
3377 {
3378 format_each(ft, format_log_debug_cb, (void *)prefix);
3379 }
3380
3381 /* Walk each format. */
3382 void
3383 format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
3384 void *), void *arg)
3385 {
3386 const struct format_table_entry *fte;
3387 struct format_entry *fe;
3388 u_int i;
3389 char s[64];
3390 void *value;
3391 struct timeval *tv;
3392
3393 for (i = 0; i < nitems(format_table); i++) {
3394 fte = &format_table[i];
3395
3396 value = fte->cb(ft);
3397 if (value == NULL)
3398 continue;
3399 if (fte->type == FORMAT_TABLE_TIME) {
3400 tv = value;
3401 xsnprintf(s, sizeof s, "%lld", (long long)tv->tv_sec);
3402 cb(fte->key, s, arg);
3403 } else {
3404 cb(fte->key, value, arg);
3405 free(value);
3406 }
3407 }
3408 RB_FOREACH(fe, format_entry_tree, &ft->tree) {
3409 if (fe->time != 0) {
3410 xsnprintf(s, sizeof s, "%lld", (long long)fe->time);
3411 cb(fe->key, s, arg);
3412 } else {
3413 if (fe->value == NULL && fe->cb != NULL) {
3414 fe->value = fe->cb(ft);
3415 if (fe->value == NULL)
3416 fe->value = xstrdup("");
3417 }
3418 cb(fe->key, fe->value, arg);
3419 }
3420 }
3421 }
3422
3423 /* Add a key-value pair. */
3424 void
3425 format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
3426 {
3427 struct format_entry *fe;
3428 struct format_entry *fe_now;
3429 va_list ap;
3430
3431 fe = xmalloc(sizeof *fe);
3432 fe->key = xstrdup(key);
3433
3434 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3435 if (fe_now != NULL) {
3436 free(fe->key);
3437 free(fe);
3438 free(fe_now->value);
3439 fe = fe_now;
3440 }
3441
3442 fe->cb = NULL;
3443 fe->time = 0;
3444
3445 va_start(ap, fmt);
3446 xvasprintf(&fe->value, fmt, ap);
3447 va_end(ap);
3448 }
3449
3450 /* Add a key and time. */
3451 void
3452 format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
3453 {
3454 struct format_entry *fe, *fe_now;
3455
3456 fe = xmalloc(sizeof *fe);
3457 fe->key = xstrdup(key);
3458
3459 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3460 if (fe_now != NULL) {
3461 free(fe->key);
3462 free(fe);
3463 free(fe_now->value);
3464 fe = fe_now;
3465 }
3466
3467 fe->cb = NULL;
3468 fe->time = tv->tv_sec;
3469
3470 fe->value = NULL;
3471 }
3472
3473 /* Add a key and function. */
3474 void
3475 format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
3476 {
3477 struct format_entry *fe;
3478 struct format_entry *fe_now;
3479
3480 fe = xmalloc(sizeof *fe);
3481 fe->key = xstrdup(key);
3482
3483 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3484 if (fe_now != NULL) {
3485 free(fe->key);
3486 free(fe);
3487 free(fe_now->value);
3488 fe = fe_now;
3489 }
3490
3491 fe->cb = cb;
3492 fe->time = 0;
3493
3494 fe->value = NULL;
3495 }
3496
3497 /* Quote shell special characters in string. */
3498 static char *
3499 format_quote_shell(const char *s)
3500 {
3501 const char *cp;
3502 char *out, *at;
3503
3504 at = out = xmalloc(strlen(s) * 2 + 1);
3505 for (cp = s; *cp != '\0'; cp++) {
3506 if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
3507 *at++ = '\\';
3508 *at++ = *cp;
3509 }
3510 *at = '\0';
3511 return (out);
3512 }
3513
3514 /* Quote #s in string. */
3515 static char *
3516 format_quote_style(const char *s)
3517 {
3518 const char *cp;
3519 char *out, *at;
3520
3521 at = out = xmalloc(strlen(s) * 2 + 1);
3522 for (cp = s; *cp != '\0'; cp++) {
3523 if (*cp == '#')
3524 *at++ = '#';
3525 *at++ = *cp;
3526 }
3527 *at = '\0';
3528 return (out);
3529 }
3530
3531 /* Make a prettier time. */
3532 char *
3533 format_pretty_time(time_t t, int seconds)
3534 {
3535 struct tm now_tm, tm;
3536 time_t now, age;
3537 char s[9];
3538
3539 time(&now);
3540 if (now < t)
3541 now = t;
3542 age = now - t;
3543
3544 localtime_r(&now, &now_tm);
3545 localtime_r(&t, &tm);
3546
3547 /* Last 24 hours. */
3548 if (age < 24 * 3600) {
3549 if (seconds)
3550 strftime(s, sizeof s, "%H:%M:%S", &tm);
3551 else
3552 strftime(s, sizeof s, "%H:%M", &tm);
3553 return (xstrdup(s));
3554 }
3555
3556 /* This month or last 28 days. */
3557 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon == now_tm.tm_mon) ||
3558 age < 28 * 24 * 3600) {
3559 strftime(s, sizeof s, "%a%d", &tm);
3560 return (xstrdup(s));
3561 }
3562
3563 /* Last 12 months. */
3564 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon < now_tm.tm_mon) ||
3565 (tm.tm_year == now_tm.tm_year - 1 && tm.tm_mon > now_tm.tm_mon)) {
3566 strftime(s, sizeof s, "%d%b", &tm);
3567 return (xstrdup(s));
3568 }
3569
3570 /* Older than that. */
3571 strftime(s, sizeof s, "%h%y", &tm);
3572 return (xstrdup(s));
3573 }
3574
3575 /* Find a format entry. */
3576 static char *
3577 format_find(struct format_tree *ft, const char *key, int modifiers,
3578 const char *time_format)
3579 {
3580 struct format_table_entry *fte;
3581 void *value;
3582 struct format_entry *fe, fe_find;
3583 struct environ_entry *envent;
3584 struct options_entry *o;
3585 int idx;
3586 char *found = NULL, *saved, s[512];
3587 const char *errstr;
3588 time_t t = 0;
3589 struct tm tm;
3590
3591 o = options_parse_get(global_options, key, &idx, 0);
3592 if (o == NULL && ft->wp != NULL)
3593 o = options_parse_get(ft->wp->options, key, &idx, 0);
3594 if (o == NULL && ft->w != NULL)
3595 o = options_parse_get(ft->w->options, key, &idx, 0);
3596 if (o == NULL)
3597 o = options_parse_get(global_w_options, key, &idx, 0);
3598 if (o == NULL && ft->s != NULL)
3599 o = options_parse_get(ft->s->options, key, &idx, 0);
3600 if (o == NULL)
3601 o = options_parse_get(global_s_options, key, &idx, 0);
3602 if (o != NULL) {
3603 found = options_to_string(o, idx, 1);
3604 goto found;
3605 }
3606
3607 fte = format_table_get(key);
3608 if (fte != NULL) {
3609 value = fte->cb(ft);
3610 if (fte->type == FORMAT_TABLE_TIME && value != NULL)
3611 t = ((struct timeval *)value)->tv_sec;
3612 else
3613 found = value;
3614 goto found;
3615 }
3616 fe_find.key = (char *)key;
3617 fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
3618 if (fe != NULL) {
3619 if (fe->time != 0) {
3620 t = fe->time;
3621 goto found;
3622 }
3623 if (fe->value == NULL && fe->cb != NULL) {
3624 fe->value = fe->cb(ft);
3625 if (fe->value == NULL)
3626 fe->value = xstrdup("");
3627 }
3628 found = xstrdup(fe->value);
3629 goto found;
3630 }
3631
3632 if (~modifiers & FORMAT_TIMESTRING) {
3633 envent = NULL;
3634 if (ft->s != NULL)
3635 envent = environ_find(ft->s->environ, key);
3636 if (envent == NULL)
3637 envent = environ_find(global_environ, key);
3638 if (envent != NULL && envent->value != NULL) {
3639 found = xstrdup(envent->value);
3640 goto found;
3641 }
3642 }
3643
3644 return (NULL);
3645
3646 found:
3647 if (modifiers & FORMAT_TIMESTRING) {
3648 if (t == 0 && found != NULL) {
3649 t = strtonum(found, 0, INT64_MAX, &errstr);
3650 if (errstr != NULL)
3651 t = 0;
3652 free(found);
3653 }
3654 if (t == 0)
3655 return (NULL);
3656 if (modifiers & FORMAT_PRETTY)
3657 found = format_pretty_time(t, 0);
3658 else {
3659 if (time_format != NULL) {
3660 localtime_r(&t, &tm);
3661 strftime(s, sizeof s, time_format, &tm);
3662 } else {
3663 ctime_r(&t, s);
3664 s[strcspn(s, "\n")] = '\0';
3665 }
3666 found = xstrdup(s);
3667 }
3668 return (found);
3669 }
3670
3671 if (t != 0)
3672 xasprintf(&found, "%lld", (long long)t);
3673 else if (found == NULL)
3674 return (NULL);
3675 if (modifiers & FORMAT_BASENAME) {
3676 saved = found;
3677 found = xstrdup(basename(saved));
3678 free(saved);
3679 }
3680 if (modifiers & FORMAT_DIRNAME) {
3681 saved = found;
3682 found = xstrdup(dirname(saved));
3683 free(saved);
3684 }
3685 if (modifiers & FORMAT_QUOTE_SHELL) {
3686 saved = found;
3687 found = format_quote_shell(saved);
3688 free(saved);
3689 }
3690 if (modifiers & FORMAT_QUOTE_STYLE) {
3691 saved = found;
3692 found = format_quote_style(saved);
3693 free(saved);
3694 }
3695 return (found);
3696 }
3697
3698 /* Unescape escaped characters. */
3699 static char *
3700 format_unescape(const char *s)
3701 {
3702 char *out, *cp;
3703 int brackets = 0;
3704
3705 cp = out = xmalloc(strlen(s) + 1);
3706 for (; *s != '\0'; s++) {
3707 if (*s == '#' && s[1] == '{')
3708 brackets++;
3709 if (brackets == 0 &&
3710 *s == '#' &&
3711 strchr(",#{}:", s[1]) != NULL) {
3712 *cp++ = *++s;
3713 continue;
3714 }
3715 if (*s == '}')
3716 brackets--;
3717 *cp++ = *s;
3718 }
3719 *cp = '\0';
3720 return (out);
3721 }
3722
3723 /* Remove escaped characters. */
3724 static char *
3725 format_strip(const char *s)
3726 {
3727 char *out, *cp;
3728 int brackets = 0;
3729
3730 cp = out = xmalloc(strlen(s) + 1);
3731 for (; *s != '\0'; s++) {
3732 if (*s == '#' && s[1] == '{')
3733 brackets++;
3734 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3735 if (brackets != 0)
3736 *cp++ = *s;
3737 continue;
3738 }
3739 if (*s == '}')
3740 brackets--;
3741 *cp++ = *s;
3742 }
3743 *cp = '\0';
3744 return (out);
3745 }
3746
3747 /* Skip until end. */
3748 const char *
3749 format_skip(const char *s, const char *end)
3750 {
3751 int brackets = 0;
3752
3753 for (; *s != '\0'; s++) {
3754 if (*s == '#' && s[1] == '{')
3755 brackets++;
3756 if (*s == '#' &&
3757 s[1] != '\0' &&
3758 strchr(",#{}:", s[1]) != NULL) {
3759 s++;
3760 continue;
3761 }
3762 if (*s == '}')
3763 brackets--;
3764 if (strchr(end, *s) != NULL && brackets == 0)
3765 break;
3766 }
3767 if (*s == '\0')
3768 return (NULL);
3769 return (s);
3770 }
3771
3772 /* Return left and right alternatives separated by commas. */
3773 static int
3774 format_choose(struct format_expand_state *es, const char *s, char **left,
3775 char **right, int expand)
3776 {
3777 const char *cp;
3778 char *left0, *right0;
3779
3780 cp = format_skip(s, ",");
3781 if (cp == NULL)
3782 return (-1);
3783 left0 = xstrndup(s, cp - s);
3784 right0 = xstrdup(cp + 1);
3785
3786 if (expand) {
3787 *left = format_expand1(es, left0);
3788 free(left0);
3789 *right = format_expand1(es, right0);
3790 free(right0);
3791 } else {
3792 *left = left0;
3793 *right = right0;
3794 }
3795 return (0);
3796 }
3797
3798 /* Is this true? */
3799 int
3800 format_true(const char *s)
3801 {
3802 if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
3803 return (1);
3804 return (0);
3805 }
3806
3807 /* Check if modifier end. */
3808 static int
3809 format_is_end(char c)
3810 {
3811 return (c == ';' || c == ':');
3812 }
3813
3814 /* Add to modifier list. */
3815 static void
3816 format_add_modifier(struct format_modifier **list, u_int *count,
3817 const char *c, size_t n, char **argv, int argc)
3818 {
3819 struct format_modifier *fm;
3820
3821 *list = xreallocarray(*list, (*count) + 1, sizeof **list);
3822 fm = &(*list)[(*count)++];
3823
3824 memcpy(fm->modifier, c, n);
3825 fm->modifier[n] = '\0';
3826 fm->size = n;
3827
3828 fm->argv = argv;
3829 fm->argc = argc;
3830 }
3831
3832 /* Free modifier list. */
3833 static void
3834 format_free_modifiers(struct format_modifier *list, u_int count)
3835 {
3836 u_int i;
3837
3838 for (i = 0; i < count; i++)
3839 cmd_free_argv(list[i].argc, list[i].argv);
3840 free(list);
3841 }
3842
3843 /* Build modifier list. */
3844 static struct format_modifier *
3845 format_build_modifiers(struct format_expand_state *es, const char **s,
3846 u_int *count)
3847 {
3848 const char *cp = *s, *end;
3849 struct format_modifier *list = NULL;
3850 char c, last[] = "X;:", **argv, *value;
3851 int argc;
3852
3853 /*
3854 * Modifiers are a ; separated list of the forms:
3855 * l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,<,>
3856 * =a
3857 * =/a
3858 * =/a/
3859 * s/a/b/
3860 * s/a/b
3861 * ||,&&,!=,==,<=,>=
3862 */
3863
3864 *count = 0;
3865
3866 while (*cp != '\0' && *cp != ':') {
3867 /* Skip any separator character. */
3868 if (*cp == ';')
3869 cp++;
3870
3871 /* Check single character modifiers with no arguments. */
3872 if (strchr("labcdnwETSWPL<>", cp[0]) != NULL &&
3873 format_is_end(cp[1])) {
3874 format_add_modifier(&list, count, cp, 1, NULL, 0);
3875 cp++;
3876 continue;
3877 }
3878
3879 /* Then try double character with no arguments. */
3880 if ((memcmp("||", cp, 2) == 0 ||
3881 memcmp("&&", cp, 2) == 0 ||
3882 memcmp("!=", cp, 2) == 0 ||
3883 memcmp("==", cp, 2) == 0 ||
3884 memcmp("<=", cp, 2) == 0 ||
3885 memcmp(">=", cp, 2) == 0) &&
3886 format_is_end(cp[2])) {
3887 format_add_modifier(&list, count, cp, 2, NULL, 0);
3888 cp += 2;
3889 continue;
3890 }
3891
3892 /* Now try single character with arguments. */
3893 if (strchr("mCNst=peq", cp[0]) == NULL)
3894 break;
3895 c = cp[0];
3896
3897 /* No arguments provided. */
3898 if (format_is_end(cp[1])) {
3899 format_add_modifier(&list, count, cp, 1, NULL, 0);
3900 cp++;
3901 continue;
3902 }
3903 argv = NULL;
3904 argc = 0;
3905
3906 /* Single argument with no wrapper character. */
3907 if (!ispunct((u_char)cp[1]) || cp[1] == '-') {
3908 end = format_skip(cp + 1, ":;");
3909 if (end == NULL)
3910 break;
3911
3912 argv = xcalloc(1, sizeof *argv);
3913 value = xstrndup(cp + 1, end - (cp + 1));
3914 argv[0] = format_expand1(es, value);
3915 free(value);
3916 argc = 1;
3917
3918 format_add_modifier(&list, count, &c, 1, argv, argc);
3919 cp = end;
3920 continue;
3921 }
3922
3923 /* Multiple arguments with a wrapper character. */
3924 last[0] = cp[1];
3925 cp++;
3926 do {
3927 if (cp[0] == last[0] && format_is_end(cp[1])) {
3928 cp++;
3929 break;
3930 }
3931 end = format_skip(cp + 1, last);
3932 if (end == NULL)
3933 break;
3934 cp++;
3935
3936 argv = xreallocarray(argv, argc + 1, sizeof *argv);
3937 value = xstrndup(cp, end - cp);
3938 argv[argc++] = format_expand1(es, value);
3939 free(value);
3940
3941 cp = end;
3942 } while (!format_is_end(cp[0]));
3943 format_add_modifier(&list, count, &c, 1, argv, argc);
3944 }
3945 if (*cp != ':') {
3946 format_free_modifiers(list, *count);
3947 *count = 0;
3948 return (NULL);
3949 }
3950 *s = cp + 1;
3951 return (list);
3952 }
3953
3954 /* Match against an fnmatch(3) pattern or regular expression. */
3955 static char *
3956 format_match(struct format_modifier *fm, const char *pattern, const char *text)
3957 {
3958 const char *s = "";
3959 regex_t r;
3960 int flags = 0;
3961
3962 if (fm->argc >= 1)
3963 s = fm->argv[0];
3964 if (strchr(s, 'r') == NULL) {
3965 if (strchr(s, 'i') != NULL)
3966 flags |= FNM_CASEFOLD;
3967 if (fnmatch(pattern, text, flags) != 0)
3968 return (xstrdup("0"));
3969 } else {
3970 flags = REG_EXTENDED|REG_NOSUB;
3971 if (strchr(s, 'i') != NULL)
3972 flags |= REG_ICASE;
3973 if (regcomp(&r, pattern, flags) != 0)
3974 return (xstrdup("0"));
3975 if (regexec(&r, text, 0, NULL, 0) != 0) {
3976 regfree(&r);
3977 return (xstrdup("0"));
3978 }
3979 regfree(&r);
3980 }
3981 return (xstrdup("1"));
3982 }
3983
3984 /* Perform substitution in string. */
3985 static char *
3986 format_sub(struct format_modifier *fm, const char *text, const char *pattern,
3987 const char *with)
3988 {
3989 char *value;
3990 int flags = REG_EXTENDED;
3991
3992 if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
3993 flags |= REG_ICASE;
3994 value = regsub(pattern, with, text, flags);
3995 if (value == NULL)
3996 return (xstrdup(text));
3997 return (value);
3998 }
3999
4000 /* Search inside pane. */
4001 static char *
4002 format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
4003 {
4004 int ignore = 0, regex = 0;
4005 char *value;
4006
4007 if (fm->argc >= 1) {
4008 if (strchr(fm->argv[0], 'i') != NULL)
4009 ignore = 1;
4010 if (strchr(fm->argv[0], 'r') != NULL)
4011 regex = 1;
4012 }
4013 xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
4014 return (value);
4015 }
4016
4017 /* Does session name exist? */
4018 static char *
4019 format_session_name(struct format_expand_state *es, const char *fmt)
4020 {
4021 char *name;
4022 struct session *s;
4023
4024 name = format_expand1(es, fmt);
4025 RB_FOREACH(s, sessions, &sessions) {
4026 if (strcmp(s->name, name) == 0) {
4027 free(name);
4028 return (xstrdup("1"));
4029 }
4030 }
4031 free(name);
4032 return (xstrdup("0"));
4033 }
4034
4035 /* Loop over sessions. */
4036 static char *
4037 format_loop_sessions(struct format_expand_state *es, const char *fmt)
4038 {
4039 struct format_tree *ft = es->ft;
4040 struct client *c = ft->client;
4041 struct cmdq_item *item = ft->item;
4042 struct format_tree *nft;
4043 struct format_expand_state next;
4044 char *expanded, *value;
4045 size_t valuelen;
4046 struct session *s;
4047
4048 value = xcalloc(1, 1);
4049 valuelen = 1;
4050
4051 RB_FOREACH(s, sessions, &sessions) {
4052 format_log(es, "session loop: $%u", s->id);
4053 nft = format_create(c, item, FORMAT_NONE, ft->flags);
4054 format_defaults(nft, ft->c, s, NULL, NULL);
4055 format_copy_state(&next, es, 0);
4056 next.ft = nft;
4057 expanded = format_expand1(&next, fmt);
4058 format_free(next.ft);
4059
4060 valuelen += strlen(expanded);
4061 value = xrealloc(value, valuelen);
4062
4063 strlcat(value, expanded, valuelen);
4064 free(expanded);
4065 }
4066
4067 return (value);
4068 }
4069
4070 /* Does window name exist? */
4071 static char *
4072 format_window_name(struct format_expand_state *es, const char *fmt)
4073 {
4074 struct format_tree *ft = es->ft;
4075 char *name;
4076 struct winlink *wl;
4077
4078 if (ft->s == NULL) {
4079 format_log(es, "window name but no session");
4080 return (NULL);
4081 }
4082
4083 name = format_expand1(es, fmt);
4084 RB_FOREACH(wl, winlinks, &ft->s->windows) {
4085 if (strcmp(wl->window->name, name) == 0) {
4086 free(name);
4087 return (xstrdup("1"));
4088 }
4089 }
4090 free(name);
4091 return (xstrdup("0"));
4092 }
4093
4094 /* Loop over windows. */
4095 static char *
4096 format_loop_windows(struct format_expand_state *es, const char *fmt)
4097 {
4098 struct format_tree *ft = es->ft;
4099 struct client *c = ft->client;
4100 struct cmdq_item *item = ft->item;
4101 struct format_tree *nft;
4102 struct format_expand_state next;
4103 char *all, *active, *use, *expanded, *value;
4104 size_t valuelen;
4105 struct winlink *wl;
4106 struct window *w;
4107
4108 if (ft->s == NULL) {
4109 format_log(es, "window loop but no session");
4110 return (NULL);
4111 }
4112
4113 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4114 all = xstrdup(fmt);
4115 active = NULL;
4116 }
4117
4118 value = xcalloc(1, 1);
4119 valuelen = 1;
4120
4121 RB_FOREACH(wl, winlinks, &ft->s->windows) {
4122 w = wl->window;
4123 format_log(es, "window loop: %u @%u", wl->idx, w->id);
4124 if (active != NULL && wl == ft->s->curw)
4125 use = active;
4126 else
4127 use = all;
4128 nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
4129 format_defaults(nft, ft->c, ft->s, wl, NULL);
4130 format_copy_state(&next, es, 0);
4131 next.ft = nft;
4132 expanded = format_expand1(&next, use);
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 free(active);
4143 free(all);
4144
4145 return (value);
4146 }
4147
4148 /* Loop over panes. */
4149 static char *
4150 format_loop_panes(struct format_expand_state *es, const char *fmt)
4151 {
4152 struct format_tree *ft = es->ft;
4153 struct client *c = ft->client;
4154 struct cmdq_item *item = ft->item;
4155 struct format_tree *nft;
4156 struct format_expand_state next;
4157 char *all, *active, *use, *expanded, *value;
4158 size_t valuelen;
4159 struct window_pane *wp;
4160
4161 if (ft->w == NULL) {
4162 format_log(es, "pane loop but no window");
4163 return (NULL);
4164 }
4165
4166 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4167 all = xstrdup(fmt);
4168 active = NULL;
4169 }
4170
4171 value = xcalloc(1, 1);
4172 valuelen = 1;
4173
4174 TAILQ_FOREACH(wp, &ft->w->panes, entry) {
4175 format_log(es, "pane loop: %%%u", wp->id);
4176 if (active != NULL && wp == ft->w->active)
4177 use = active;
4178 else
4179 use = all;
4180 nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
4181 format_defaults(nft, ft->c, ft->s, ft->wl, wp);
4182 format_copy_state(&next, es, 0);
4183 next.ft = nft;
4184 expanded = format_expand1(&next, use);
4185 format_free(nft);
4186
4187 valuelen += strlen(expanded);
4188 value = xrealloc(value, valuelen);
4189
4190 strlcat(value, expanded, valuelen);
4191 free(expanded);
4192 }
4193
4194 free(active);
4195 free(all);
4196
4197 return (value);
4198 }
4199
4200 /* Loop over clients. */
4201 static char *
4202 format_loop_clients(struct format_expand_state *es, const char *fmt)
4203 {
4204 struct format_tree *ft = es->ft;
4205 struct client *c;
4206 struct cmdq_item *item = ft->item;
4207 struct format_tree *nft;
4208 struct format_expand_state next;
4209 char *expanded, *value;
4210 size_t valuelen;
4211
4212 value = xcalloc(1, 1);
4213 valuelen = 1;
4214
4215 TAILQ_FOREACH(c, &clients, entry) {
4216 format_log(es, "client loop: %s", c->name);
4217 nft = format_create(c, item, 0, ft->flags);
4218 format_defaults(nft, c, ft->s, ft->wl, ft->wp);
4219 format_copy_state(&next, es, 0);
4220 next.ft = nft;
4221 expanded = format_expand1(&next, fmt);
4222 format_free(nft);
4223
4224 valuelen += strlen(expanded);
4225 value = xrealloc(value, valuelen);
4226
4227 strlcat(value, expanded, valuelen);
4228 free(expanded);
4229 }
4230
4231 return (value);
4232 }
4233
4234 static char *
4235 format_replace_expression(struct format_modifier *mexp,
4236 struct format_expand_state *es, const char *copy)
4237 {
4238 int argc = mexp->argc;
4239 const char *errstr;
4240 char *endch, *value, *left = NULL, *right = NULL;
4241 int use_fp = 0;
4242 u_int prec = 0;
4243 double mleft, mright, result;
4244 enum { ADD,
4245 SUBTRACT,
4246 MULTIPLY,
4247 DIVIDE,
4248 MODULUS,
4249 EQUAL,
4250 NOT_EQUAL,
4251 GREATER_THAN,
4252 GREATER_THAN_EQUAL,
4253 LESS_THAN,
4254 LESS_THAN_EQUAL } operator;
4255
4256 if (strcmp(mexp->argv[0], "+") == 0)
4257 operator = ADD;
4258 else if (strcmp(mexp->argv[0], "-") == 0)
4259 operator = SUBTRACT;
4260 else if (strcmp(mexp->argv[0], "*") == 0)
4261 operator = MULTIPLY;
4262 else if (strcmp(mexp->argv[0], "/") == 0)
4263 operator = DIVIDE;
4264 else if (strcmp(mexp->argv[0], "%") == 0 ||
4265 strcmp(mexp->argv[0], "m") == 0)
4266 operator = MODULUS;
4267 else if (strcmp(mexp->argv[0], "==") == 0)
4268 operator = EQUAL;
4269 else if (strcmp(mexp->argv[0], "!=") == 0)
4270 operator = NOT_EQUAL;
4271 else if (strcmp(mexp->argv[0], ">") == 0)
4272 operator = GREATER_THAN;
4273 else if (strcmp(mexp->argv[0], "<") == 0)
4274 operator = LESS_THAN;
4275 else if (strcmp(mexp->argv[0], ">=") == 0)
4276 operator = GREATER_THAN_EQUAL;
4277 else if (strcmp(mexp->argv[0], "<=") == 0)
4278 operator = LESS_THAN_EQUAL;
4279 else {
4280 format_log(es, "expression has no valid operator: '%s'",
4281 mexp->argv[0]);
4282 goto fail;
4283 }
4284
4285 /* The second argument may be flags. */
4286 if (argc >= 2 && strchr(mexp->argv[1], 'f') != NULL) {
4287 use_fp = 1;
4288 prec = 2;
4289 }
4290
4291 /* The third argument may be precision. */
4292 if (argc >= 3) {
4293 prec = strtonum(mexp->argv[2], INT_MIN, INT_MAX, &errstr);
4294 if (errstr != NULL) {
4295 format_log(es, "expression precision %s: %s", errstr,
4296 mexp->argv[2]);
4297 goto fail;
4298 }
4299 }
4300
4301 if (format_choose(es, copy, &left, &right, 1) != 0) {
4302 format_log(es, "expression syntax error");
4303 goto fail;
4304 }
4305
4306 mleft = strtod(left, &endch);
4307 if (*endch != '\0') {
4308 format_log(es, "expression left side is invalid: %s", left);
4309 goto fail;
4310 }
4311
4312 mright = strtod(right, &endch);
4313 if (*endch != '\0') {
4314 format_log(es, "expression right side is invalid: %s", right);
4315 goto fail;
4316 }
4317
4318 if (!use_fp) {
4319 mleft = (long long)mleft;
4320 mright = (long long)mright;
4321 }
4322 format_log(es, "expression left side is: %.*f", prec, mleft);
4323 format_log(es, "expression right side is: %.*f", prec, mright);
4324
4325 switch (operator) {
4326 case ADD:
4327 result = mleft + mright;
4328 break;
4329 case SUBTRACT:
4330 result = mleft - mright;
4331 break;
4332 case MULTIPLY:
4333 result = mleft * mright;
4334 break;
4335 case DIVIDE:
4336 result = mleft / mright;
4337 break;
4338 case MODULUS:
4339 result = fmod(mleft, mright);
4340 break;
4341 case EQUAL:
4342 result = fabs(mleft - mright) < 1e-9;
4343 break;
4344 case NOT_EQUAL:
4345 result = fabs(mleft - mright) > 1e-9;
4346 break;
4347 case GREATER_THAN:
4348 result = (mleft > mright);
4349 break;
4350 case GREATER_THAN_EQUAL:
4351 result = (mleft >= mright);
4352 break;
4353 case LESS_THAN:
4354 result = (mleft < mright);
4355 break;
4356 case LESS_THAN_EQUAL:
4357 result = (mleft <= mright);
4358 break;
4359 }
4360 if (use_fp)
4361 xasprintf(&value, "%.*f", prec, result);
4362 else
4363 xasprintf(&value, "%.*f", prec, (double)(long long)result);
4364 format_log(es, "expression result is %s", value);
4365
4366 free(right);
4367 free(left);
4368 return (value);
4369
4370 fail:
4371 free(right);
4372 free(left);
4373 return (NULL);
4374 }
4375
4376 /* Replace a key. */
4377 static int
4378 format_replace(struct format_expand_state *es, const char *key, size_t keylen,
4379 char **buf, size_t *len, size_t *off)
4380 {
4381 struct format_tree *ft = es->ft;
4382 struct window_pane *wp = ft->wp;
4383 const char *errstr, *copy, *cp, *marker = NULL;
4384 const char *time_format = NULL;
4385 char *copy0, *condition, *found, *new;
4386 char *value, *left, *right;
4387 size_t valuelen;
4388 int modifiers = 0, limit = 0, width = 0;
4389 int j, c;
4390 struct format_modifier *list, *cmp = NULL, *search = NULL;
4391 struct format_modifier **sub = NULL, *mexp = NULL, *fm;
4392 u_int i, count, nsub = 0;
4393 struct format_expand_state next;
4394
4395 /* Make a copy of the key. */
4396 copy = copy0 = xstrndup(key, keylen);
4397
4398 /* Process modifier list. */
4399 list = format_build_modifiers(es, &copy, &count);
4400 for (i = 0; i < count; i++) {
4401 fm = &list[i];
4402 if (format_logging(ft)) {
4403 format_log(es, "modifier %u is %s", i, fm->modifier);
4404 for (j = 0; j < fm->argc; j++) {
4405 format_log(es, "modifier %u argument %d: %s", i,
4406 j, fm->argv[j]);
4407 }
4408 }
4409 if (fm->size == 1) {
4410 switch (fm->modifier[0]) {
4411 case 'm':
4412 case '<':
4413 case '>':
4414 cmp = fm;
4415 break;
4416 case 'C':
4417 search = fm;
4418 break;
4419 case 's':
4420 if (fm->argc < 2)
4421 break;
4422 sub = xreallocarray(sub, nsub + 1, sizeof *sub);
4423 sub[nsub++] = fm;
4424 break;
4425 case '=':
4426 if (fm->argc < 1)
4427 break;
4428 limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4429 &errstr);
4430 if (errstr != NULL)
4431 limit = 0;
4432 if (fm->argc >= 2 && fm->argv[1] != NULL)
4433 marker = fm->argv[1];
4434 break;
4435 case 'p':
4436 if (fm->argc < 1)
4437 break;
4438 width = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4439 &errstr);
4440 if (errstr != NULL)
4441 width = 0;
4442 break;
4443 case 'w':
4444 modifiers |= FORMAT_WIDTH;
4445 break;
4446 case 'e':
4447 if (fm->argc < 1 || fm->argc > 3)
4448 break;
4449 mexp = fm;
4450 break;
4451 case 'l':
4452 modifiers |= FORMAT_LITERAL;
4453 break;
4454 case 'a':
4455 modifiers |= FORMAT_CHARACTER;
4456 break;
4457 case 'b':
4458 modifiers |= FORMAT_BASENAME;
4459 break;
4460 case 'c':
4461 modifiers |= FORMAT_COLOUR;
4462 break;
4463 case 'd':
4464 modifiers |= FORMAT_DIRNAME;
4465 break;
4466 case 'n':
4467 modifiers |= FORMAT_LENGTH;
4468 break;
4469 case 't':
4470 modifiers |= FORMAT_TIMESTRING;
4471 if (fm->argc < 1)
4472 break;
4473 if (strchr(fm->argv[0], 'p') != NULL)
4474 modifiers |= FORMAT_PRETTY;
4475 else if (fm->argc >= 2 &&
4476 strchr(fm->argv[0], 'f') != NULL)
4477 time_format = format_strip(fm->argv[1]);
4478 break;
4479 case 'q':
4480 if (fm->argc < 1)
4481 modifiers |= FORMAT_QUOTE_SHELL;
4482 else if (strchr(fm->argv[0], 'e') != NULL ||
4483 strchr(fm->argv[0], 'h') != NULL)
4484 modifiers |= FORMAT_QUOTE_STYLE;
4485 break;
4486 case 'E':
4487 modifiers |= FORMAT_EXPAND;
4488 break;
4489 case 'T':
4490 modifiers |= FORMAT_EXPANDTIME;
4491 break;
4492 case 'N':
4493 if (fm->argc < 1 ||
4494 strchr(fm->argv[0], 'w') != NULL)
4495 modifiers |= FORMAT_WINDOW_NAME;
4496 else if (strchr(fm->argv[0], 's') != NULL)
4497 modifiers |= FORMAT_SESSION_NAME;
4498 break;
4499 case 'S':
4500 modifiers |= FORMAT_SESSIONS;
4501 break;
4502 case 'W':
4503 modifiers |= FORMAT_WINDOWS;
4504 break;
4505 case 'P':
4506 modifiers |= FORMAT_PANES;
4507 break;
4508 case 'L':
4509 modifiers |= FORMAT_CLIENTS;
4510 break;
4511 }
4512 } else if (fm->size == 2) {
4513 if (strcmp(fm->modifier, "||") == 0 ||
4514 strcmp(fm->modifier, "&&") == 0 ||
4515 strcmp(fm->modifier, "==") == 0 ||
4516 strcmp(fm->modifier, "!=") == 0 ||
4517 strcmp(fm->modifier, ">=") == 0 ||
4518 strcmp(fm->modifier, "<=") == 0)
4519 cmp = fm;
4520 }
4521 }
4522
4523 /* Is this a literal string? */
4524 if (modifiers & FORMAT_LITERAL) {
4525 format_log(es, "literal string is '%s'", copy);
4526 value = format_unescape(copy);
4527 goto done;
4528 }
4529
4530 /* Is this a character? */
4531 if (modifiers & FORMAT_CHARACTER) {
4532 new = format_expand1(es, copy);
4533 c = strtonum(new, 32, 126, &errstr);
4534 if (errstr != NULL)
4535 value = xstrdup("");
4536 else
4537 xasprintf(&value, "%c", c);
4538 free(new);
4539 goto done;
4540 }
4541
4542 /* Is this a colour? */
4543 if (modifiers & FORMAT_COLOUR) {
4544 new = format_expand1(es, copy);
4545 c = colour_fromstring(new);
4546 if (c == -1 || (c = colour_force_rgb(c)) == -1)
4547 value = xstrdup("");
4548 else
4549 xasprintf(&value, "%06x", c & 0xffffff);
4550 free(new);
4551 goto done;
4552 }
4553
4554 /* Is this a loop, comparison or condition? */
4555 if (modifiers & FORMAT_SESSIONS) {
4556 value = format_loop_sessions(es, copy);
4557 if (value == NULL)
4558 goto fail;
4559 } else if (modifiers & FORMAT_WINDOWS) {
4560 value = format_loop_windows(es, copy);
4561 if (value == NULL)
4562 goto fail;
4563 } else if (modifiers & FORMAT_PANES) {
4564 value = format_loop_panes(es, copy);
4565 if (value == NULL)
4566 goto fail;
4567 } else if (modifiers & FORMAT_CLIENTS) {
4568 value = format_loop_clients(es, copy);
4569 if (value == NULL)
4570 goto fail;
4571 } else if (modifiers & FORMAT_WINDOW_NAME) {
4572 value = format_window_name(es, copy);
4573 if (value == NULL)
4574 goto fail;
4575 } else if (modifiers & FORMAT_SESSION_NAME) {
4576 value = format_session_name(es, copy);
4577 if (value == NULL)
4578 goto fail;
4579 } else if (search != NULL) {
4580 /* Search in pane. */
4581 new = format_expand1(es, copy);
4582 if (wp == NULL) {
4583 format_log(es, "search '%s' but no pane", new);
4584 value = xstrdup("0");
4585 } else {
4586 format_log(es, "search '%s' pane %%%u", new, wp->id);
4587 value = format_search(search, wp, new);
4588 }
4589 free(new);
4590 } else if (cmp != NULL) {
4591 /* Comparison of left and right. */
4592 if (format_choose(es, copy, &left, &right, 1) != 0) {
4593 format_log(es, "compare %s syntax error: %s",
4594 cmp->modifier, copy);
4595 goto fail;
4596 }
4597 format_log(es, "compare %s left is: %s", cmp->modifier, left);
4598 format_log(es, "compare %s right is: %s", cmp->modifier, right);
4599
4600 if (strcmp(cmp->modifier, "||") == 0) {
4601 if (format_true(left) || format_true(right))
4602 value = xstrdup("1");
4603 else
4604 value = xstrdup("0");
4605 } else if (strcmp(cmp->modifier, "&&") == 0) {
4606 if (format_true(left) && format_true(right))
4607 value = xstrdup("1");
4608 else
4609 value = xstrdup("0");
4610 } else if (strcmp(cmp->modifier, "==") == 0) {
4611 if (strcmp(left, right) == 0)
4612 value = xstrdup("1");
4613 else
4614 value = xstrdup("0");
4615 } else if (strcmp(cmp->modifier, "!=") == 0) {
4616 if (strcmp(left, right) != 0)
4617 value = xstrdup("1");
4618 else
4619 value = xstrdup("0");
4620 } else if (strcmp(cmp->modifier, "<") == 0) {
4621 if (strcmp(left, right) < 0)
4622 value = xstrdup("1");
4623 else
4624 value = xstrdup("0");
4625 } else if (strcmp(cmp->modifier, ">") == 0) {
4626 if (strcmp(left, right) > 0)
4627 value = xstrdup("1");
4628 else
4629 value = xstrdup("0");
4630 } else if (strcmp(cmp->modifier, "<=") == 0) {
4631 if (strcmp(left, right) <= 0)
4632 value = xstrdup("1");
4633 else
4634 value = xstrdup("0");
4635 } else if (strcmp(cmp->modifier, ">=") == 0) {
4636 if (strcmp(left, right) >= 0)
4637 value = xstrdup("1");
4638 else
4639 value = xstrdup("0");
4640 } else if (strcmp(cmp->modifier, "m") == 0)
4641 value = format_match(cmp, left, right);
4642
4643 free(right);
4644 free(left);
4645 } else if (*copy == '?') {
4646 /* Conditional: check first and choose second or third. */
4647 cp = format_skip(copy + 1, ",");
4648 if (cp == NULL) {
4649 format_log(es, "condition syntax error: %s", copy + 1);
4650 goto fail;
4651 }
4652 condition = xstrndup(copy + 1, cp - (copy + 1));
4653 format_log(es, "condition is: %s", condition);
4654
4655 found = format_find(ft, condition, modifiers, time_format);
4656 if (found == NULL) {
4657 /*
4658 * If the condition not found, try to expand it. If
4659 * the expansion doesn't have any effect, then assume
4660 * false.
4661 */
4662 found = format_expand1(es, condition);
4663 if (strcmp(found, condition) == 0) {
4664 free(found);
4665 found = xstrdup("");
4666 format_log(es,
4667 "condition '%s' not found; assuming false",
4668 condition);
4669 }
4670 } else {
4671 format_log(es, "condition '%s' found: %s", condition,
4672 found);
4673 }
4674
4675 if (format_choose(es, cp + 1, &left, &right, 0) != 0) {
4676 format_log(es, "condition '%s' syntax error: %s",
4677 condition, cp + 1);
4678 free(found);
4679 goto fail;
4680 }
4681 if (format_true(found)) {
4682 format_log(es, "condition '%s' is true", condition);
4683 value = format_expand1(es, left);
4684 } else {
4685 format_log(es, "condition '%s' is false", condition);
4686 value = format_expand1(es, right);
4687 }
4688 free(right);
4689 free(left);
4690
4691 free(condition);
4692 free(found);
4693 } else if (mexp != NULL) {
4694 value = format_replace_expression(mexp, es, copy);
4695 if (value == NULL)
4696 value = xstrdup("");
4697 } else {
4698 if (strstr(copy, "#{") != 0) {
4699 format_log(es, "expanding inner format '%s'", copy);
4700 value = format_expand1(es, copy);
4701 } else {
4702 value = format_find(ft, copy, modifiers, time_format);
4703 if (value == NULL) {
4704 format_log(es, "format '%s' not found", copy);
4705 value = xstrdup("");
4706 } else {
4707 format_log(es, "format '%s' found: %s", copy,
4708 value);
4709 }
4710 }
4711 }
4712
4713 done:
4714 /* Expand again if required. */
4715 if (modifiers & FORMAT_EXPAND) {
4716 new = format_expand1(es, value);
4717 free(value);
4718 value = new;
4719 } else if (modifiers & FORMAT_EXPANDTIME) {
4720 format_copy_state(&next, es, FORMAT_EXPAND_TIME);
4721 new = format_expand1(&next, value);
4722 free(value);
4723 value = new;
4724 }
4725
4726 /* Perform substitution if any. */
4727 for (i = 0; i < nsub; i++) {
4728 left = format_expand1(es, sub[i]->argv[0]);
4729 right = format_expand1(es, sub[i]->argv[1]);
4730 new = format_sub(sub[i], value, left, right);
4731 format_log(es, "substitute '%s' to '%s': %s", left, right, new);
4732 free(value);
4733 value = new;
4734 free(right);
4735 free(left);
4736 }
4737
4738 /* Truncate the value if needed. */
4739 if (limit > 0) {
4740 new = format_trim_left(value, limit);
4741 if (marker != NULL && strcmp(new, value) != 0) {
4742 free(value);
4743 xasprintf(&value, "%s%s", new, marker);
4744 } else {
4745 free(value);
4746 value = new;
4747 }
4748 format_log(es, "applied length limit %d: %s", limit, value);
4749 } else if (limit < 0) {
4750 new = format_trim_right(value, -limit);
4751 if (marker != NULL && strcmp(new, value) != 0) {
4752 free(value);
4753 xasprintf(&value, "%s%s", marker, new);
4754 } else {
4755 free(value);
4756 value = new;
4757 }
4758 format_log(es, "applied length limit %d: %s", limit, value);
4759 }
4760
4761 /* Pad the value if needed. */
4762 if (width > 0) {
4763 new = utf8_padcstr(value, width);
4764 free(value);
4765 value = new;
4766 format_log(es, "applied padding width %d: %s", width, value);
4767 } else if (width < 0) {
4768 new = utf8_rpadcstr(value, -width);
4769 free(value);
4770 value = new;
4771 format_log(es, "applied padding width %d: %s", width, value);
4772 }
4773
4774 /* Replace with the length or width if needed. */
4775 if (modifiers & FORMAT_LENGTH) {
4776 xasprintf(&new, "%zu", strlen(value));
4777 free(value);
4778 value = new;
4779 format_log(es, "replacing with length: %s", new);
4780 }
4781 if (modifiers & FORMAT_WIDTH) {
4782 xasprintf(&new, "%u", format_width(value));
4783 free(value);
4784 value = new;
4785 format_log(es, "replacing with width: %s", new);
4786 }
4787
4788 /* Expand the buffer and copy in the value. */
4789 valuelen = strlen(value);
4790 while (*len - *off < valuelen + 1) {
4791 *buf = xreallocarray(*buf, 2, *len);
4792 *len *= 2;
4793 }
4794 memcpy(*buf + *off, value, valuelen);
4795 *off += valuelen;
4796
4797 format_log(es, "replaced '%s' with '%s'", copy0, value);
4798 free(value);
4799
4800 free(sub);
4801 format_free_modifiers(list, count);
4802 free(copy0);
4803 return (0);
4804
4805 fail:
4806 format_log(es, "failed %s", copy0);
4807
4808 free(sub);
4809 format_free_modifiers(list, count);
4810 free(copy0);
4811 return (-1);
4812 }
4813
4814 /* Expand keys in a template. */
4815 static char *
4816 format_expand1(struct format_expand_state *es, const char *fmt)
4817 {
4818 struct format_tree *ft = es->ft;
4819 char *buf, *out, *name;
4820 const char *ptr, *s, *style_end = NULL;
4821 size_t off, len, n, outlen;
4822 int ch, brackets;
4823 char expanded[8192];
4824
4825 if (fmt == NULL || *fmt == '\0')
4826 return (xstrdup(""));
4827
4828 if (es->loop == FORMAT_LOOP_LIMIT) {
4829 format_log(es, "reached loop limit (%u)", FORMAT_LOOP_LIMIT);
4830 return (xstrdup(""));
4831 }
4832 es->loop++;
4833
4834 format_log(es, "expanding format: %s", fmt);
4835
4836 if ((es->flags & FORMAT_EXPAND_TIME) && strchr(fmt, '%') != NULL) {
4837 if (es->time == 0) {
4838 es->time = time(NULL);
4839 localtime_r(&es->time, &es->tm);
4840 }
4841 if (strftime(expanded, sizeof expanded, fmt, &es->tm) == 0) {
4842 format_log(es, "format is too long");
4843 return (xstrdup(""));
4844 }
4845 if (format_logging(ft) && strcmp(expanded, fmt) != 0)
4846 format_log(es, "after time expanded: %s", expanded);
4847 fmt = expanded;
4848 }
4849
4850 len = 64;
4851 buf = xmalloc(len);
4852 off = 0;
4853
4854 while (*fmt != '\0') {
4855 if (*fmt != '#') {
4856 while (len - off < 2) {
4857 buf = xreallocarray(buf, 2, len);
4858 len *= 2;
4859 }
4860 buf[off++] = *fmt++;
4861 continue;
4862 }
4863 fmt++;
4864
4865 ch = (u_char)*fmt++;
4866 switch (ch) {
4867 case '(':
4868 brackets = 1;
4869 for (ptr = fmt; *ptr != '\0'; ptr++) {
4870 if (*ptr == '(')
4871 brackets++;
4872 if (*ptr == ')' && --brackets == 0)
4873 break;
4874 }
4875 if (*ptr != ')' || brackets != 0)
4876 break;
4877 n = ptr - fmt;
4878
4879 name = xstrndup(fmt, n);
4880 format_log(es, "found #(): %s", name);
4881
4882 if ((ft->flags & FORMAT_NOJOBS) ||
4883 (es->flags & FORMAT_EXPAND_NOJOBS)) {
4884 out = xstrdup("");
4885 format_log(es, "#() is disabled");
4886 } else {
4887 out = format_job_get(es, name);
4888 format_log(es, "#() result: %s", out);
4889 }
4890 free(name);
4891
4892 outlen = strlen(out);
4893 while (len - off < outlen + 1) {
4894 buf = xreallocarray(buf, 2, len);
4895 len *= 2;
4896 }
4897 memcpy(buf + off, out, outlen);
4898 off += outlen;
4899
4900 free(out);
4901
4902 fmt += n + 1;
4903 continue;
4904 case '{':
4905 ptr = format_skip((char *)fmt - 2, "}");
4906 if (ptr == NULL)
4907 break;
4908 n = ptr - fmt;
4909
4910 format_log(es, "found #{}: %.*s", (int)n, fmt);
4911 if (format_replace(es, fmt, n, &buf, &len, &off) != 0)
4912 break;
4913 fmt += n + 1;
4914 continue;
4915 case '[':
4916 case '#':
4917 /*
4918 * If ##[ (with two or more #s), then it is a style and
4919 * can be left for format_draw to handle.
4920 */
4921 ptr = fmt - (ch == '[');
4922 n = 2 - (ch == '[');
4923 while (*ptr == '#') {
4924 ptr++;
4925 n++;
4926 }
4927 if (*ptr == '[') {
4928 style_end = format_skip(fmt - 2, "]");
4929 format_log(es, "found #*%zu[", n);
4930 while (len - off < n + 2) {
4931 buf = xreallocarray(buf, 2, len);
4932 len *= 2;
4933 }
4934 memcpy(buf + off, fmt - 2, n + 1);
4935 off += n + 1;
4936 fmt = ptr + 1;
4937 continue;
4938 }
4939 /* FALLTHROUGH */
4940 case '}':
4941 case ',':
4942 format_log(es, "found #%c", ch);
4943 while (len - off < 2) {
4944 buf = xreallocarray(buf, 2, len);
4945 len *= 2;
4946 }
4947 buf[off++] = ch;
4948 continue;
4949 default:
4950 s = NULL;
4951 if (fmt > style_end) { /* skip inside #[] */
4952 if (ch >= 'A' && ch <= 'Z')
4953 s = format_upper[ch - 'A'];
4954 else if (ch >= 'a' && ch <= 'z')
4955 s = format_lower[ch - 'a'];
4956 }
4957 if (s == NULL) {
4958 while (len - off < 3) {
4959 buf = xreallocarray(buf, 2, len);
4960 len *= 2;
4961 }
4962 buf[off++] = '#';
4963 buf[off++] = ch;
4964 continue;
4965 }
4966 n = strlen(s);
4967 format_log(es, "found #%c: %s", ch, s);
4968 if (format_replace(es, s, n, &buf, &len, &off) != 0)
4969 break;
4970 continue;
4971 }
4972
4973 break;
4974 }
4975 buf[off] = '\0';
4976
4977 format_log(es, "result is: %s", buf);
4978 es->loop--;
4979
4980 return (buf);
4981 }
4982
4983 /* Expand keys in a template, passing through strftime first. */
4984 char *
4985 format_expand_time(struct format_tree *ft, const char *fmt)
4986 {
4987 struct format_expand_state es;
4988
4989 memset(&es, 0, sizeof es);
4990 es.ft = ft;
4991 es.flags = FORMAT_EXPAND_TIME;
4992 return (format_expand1(&es, fmt));
4993 }
4994
4995 /* Expand keys in a template. */
4996 char *
4997 format_expand(struct format_tree *ft, const char *fmt)
4998 {
4999 struct format_expand_state es;
5000
5001 memset(&es, 0, sizeof es);
5002 es.ft = ft;
5003 es.flags = 0;
5004 return (format_expand1(&es, fmt));
5005 }
5006
5007 /* Expand a single string. */
5008 char *
5009 format_single(struct cmdq_item *item, const char *fmt, struct client *c,
5010 struct session *s, struct winlink *wl, struct window_pane *wp)
5011 {
5012 struct format_tree *ft;
5013 char *expanded;
5014
5015 ft = format_create_defaults(item, c, s, wl, wp);
5016 expanded = format_expand(ft, fmt);
5017 format_free(ft);
5018 return (expanded);
5019 }
5020
5021 /* Expand a single string using state. */
5022 char *
5023 format_single_from_state(struct cmdq_item *item, const char *fmt,
5024 struct client *c, struct cmd_find_state *fs)
5025 {
5026 return (format_single(item, fmt, c, fs->s, fs->wl, fs->wp));
5027 }
5028
5029 /* Expand a single string using target. */
5030 char *
5031 format_single_from_target(struct cmdq_item *item, const char *fmt)
5032 {
5033 struct client *tc = cmdq_get_target_client(item);
5034
5035 return (format_single_from_state(item, fmt, tc, cmdq_get_target(item)));
5036 }
5037
5038 /* Create and add defaults. */
5039 struct format_tree *
5040 format_create_defaults(struct cmdq_item *item, struct client *c,
5041 struct session *s, struct winlink *wl, struct window_pane *wp)
5042 {
5043 struct format_tree *ft;
5044
5045 if (item != NULL)
5046 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
5047 else
5048 ft = format_create(NULL, item, FORMAT_NONE, 0);
5049 format_defaults(ft, c, s, wl, wp);
5050 return (ft);
5051 }
5052
5053 /* Create and add defaults using state. */
5054 struct format_tree *
5055 format_create_from_state(struct cmdq_item *item, struct client *c,
5056 struct cmd_find_state *fs)
5057 {
5058 return (format_create_defaults(item, c, fs->s, fs->wl, fs->wp));
5059 }
5060
5061 /* Create and add defaults using target. */
5062 struct format_tree *
5063 format_create_from_target(struct cmdq_item *item)
5064 {
5065 struct client *tc = cmdq_get_target_client(item);
5066
5067 return (format_create_from_state(item, tc, cmdq_get_target(item)));
5068 }
5069
5070 /* Set defaults for any of arguments that are not NULL. */
5071 void
5072 format_defaults(struct format_tree *ft, struct client *c, struct session *s,
5073 struct winlink *wl, struct window_pane *wp)
5074 {
5075 struct paste_buffer *pb;
5076
5077 if (c != NULL && c->name != NULL)
5078 log_debug("%s: c=%s", __func__, c->name);
5079 else
5080 log_debug("%s: c=none", __func__);
5081 if (s != NULL)
5082 log_debug("%s: s=$%u", __func__, s->id);
5083 else
5084 log_debug("%s: s=none", __func__);
5085 if (wl != NULL)
5086 log_debug("%s: wl=%u", __func__, wl->idx);
5087 else
5088 log_debug("%s: wl=none", __func__);
5089 if (wp != NULL)
5090 log_debug("%s: wp=%%%u", __func__, wp->id);
5091 else
5092 log_debug("%s: wp=none", __func__);
5093
5094 if (c != NULL && s != NULL && c->session != s)
5095 log_debug("%s: session does not match", __func__);
5096
5097 if (wp != NULL)
5098 ft->type = FORMAT_TYPE_PANE;
5099 else if (wl != NULL)
5100 ft->type = FORMAT_TYPE_WINDOW;
5101 else if (s != NULL)
5102 ft->type = FORMAT_TYPE_SESSION;
5103 else
5104 ft->type = FORMAT_TYPE_UNKNOWN;
5105
5106 if (s == NULL && c != NULL)
5107 s = c->session;
5108 if (wl == NULL && s != NULL)
5109 wl = s->curw;
5110 if (wp == NULL && wl != NULL)
5111 wp = wl->window->active;
5112
5113 if (c != NULL)
5114 format_defaults_client(ft, c);
5115 if (s != NULL)
5116 format_defaults_session(ft, s);
5117 if (wl != NULL)
5118 format_defaults_winlink(ft, wl);
5119 if (wp != NULL)
5120 format_defaults_pane(ft, wp);
5121
5122 pb = paste_get_top(NULL);
5123 if (pb != NULL)
5124 format_defaults_paste_buffer(ft, pb);
5125 }
5126
5127 /* Set default format keys for a session. */
5128 static void
5129 format_defaults_session(struct format_tree *ft, struct session *s)
5130 {
5131 ft->s = s;
5132 }
5133
5134 /* Set default format keys for a client. */
5135 static void
5136 format_defaults_client(struct format_tree *ft, struct client *c)
5137 {
5138 if (ft->s == NULL)
5139 ft->s = c->session;
5140 ft->c = c;
5141 }
5142
5143 /* Set default format keys for a window. */
5144 void
5145 format_defaults_window(struct format_tree *ft, struct window *w)
5146 {
5147 ft->w = w;
5148 }
5149
5150 /* Set default format keys for a winlink. */
5151 static void
5152 format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
5153 {
5154 if (ft->w == NULL)
5155 format_defaults_window(ft, wl->window);
5156 ft->wl = wl;
5157 }
5158
5159 /* Set default format keys for a window pane. */
5160 void
5161 format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
5162 {
5163 struct window_mode_entry *wme;
5164
5165 if (ft->w == NULL)
5166 format_defaults_window(ft, wp->window);
5167 ft->wp = wp;
5168
5169 wme = TAILQ_FIRST(&wp->modes);
5170 if (wme != NULL && wme->mode->formats != NULL)
5171 wme->mode->formats(wme, ft);
5172 }
5173
5174 /* Set default format keys for paste buffer. */
5175 void
5176 format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
5177 {
5178 ft->pb = pb;
5179 }
5180
5181 /* Return word at given coordinates. Caller frees. */
5182 char *
5183 format_grid_word(struct grid *gd, u_int x, u_int y)
5184 {
5185 const struct grid_line *gl;
5186 struct grid_cell gc;
5187 const char *ws;
5188 struct utf8_data *ud = NULL;
5189 u_int end;
5190 size_t size = 0;
5191 int found = 0;
5192 char *s = NULL;
5193
5194 ws = options_get_string(global_s_options, "word-separators");
5195
5196 for (;;) {
5197 grid_get_cell(gd, x, y, &gc);
5198 if (gc.flags & GRID_FLAG_PADDING)
5199 break;
5200 if (utf8_cstrhas(ws, &gc.data) ||
5201 (gc.data.size == 1 && *gc.data.data == ' ')) {
5202 found = 1;
5203 break;
5204 }
5205
5206 if (x == 0) {
5207 if (y == 0)
5208 break;
5209 gl = grid_peek_line(gd, y - 1);
5210 if (~gl->flags & GRID_LINE_WRAPPED)
5211 break;
5212 y--;
5213 x = grid_line_length(gd, y);
5214 if (x == 0)
5215 break;
5216 }
5217 x--;
5218 }
5219 for (;;) {
5220 if (found) {
5221 end = grid_line_length(gd, y);
5222 if (end == 0 || x == end - 1) {
5223 if (y == gd->hsize + gd->sy - 1)
5224 break;
5225 gl = grid_peek_line(gd, y);
5226 if (~gl->flags & GRID_LINE_WRAPPED)
5227 break;
5228 y++;
5229 x = 0;
5230 } else
5231 x++;
5232 }
5233 found = 1;
5234
5235 grid_get_cell(gd, x, y, &gc);
5236 if (gc.flags & GRID_FLAG_PADDING)
5237 break;
5238 if (utf8_cstrhas(ws, &gc.data) ||
5239 (gc.data.size == 1 && *gc.data.data == ' '))
5240 break;
5241
5242 ud = xreallocarray(ud, size + 2, sizeof *ud);
5243 memcpy(&ud[size++], &gc.data, sizeof *ud);
5244 }
5245 if (size != 0) {
5246 ud[size].size = 0;
5247 s = utf8_tocstr(ud);
5248 free(ud);
5249 }
5250 return (s);
5251 }
5252
5253 /* Return line at given coordinates. Caller frees. */
5254 char *
5255 format_grid_line(struct grid *gd, u_int y)
5256 {
5257 struct grid_cell gc;
5258 struct utf8_data *ud = NULL;
5259 u_int x;
5260 size_t size = 0;
5261 char *s = NULL;
5262
5263 for (x = 0; x < grid_line_length(gd, y); x++) {
5264 grid_get_cell(gd, x, y, &gc);
5265 if (gc.flags & GRID_FLAG_PADDING)
5266 break;
5267
5268 ud = xreallocarray(ud, size + 2, sizeof *ud);
5269 memcpy(&ud[size++], &gc.data, sizeof *ud);
5270 }
5271 if (size != 0) {
5272 ud[size].size = 0;
5273 s = utf8_tocstr(ud);
5274 free(ud);
5275 }
5276 return (s);
5277 }
5278
5279 /* Return hyperlink at given coordinates. Caller frees. */
5280 char *
5281 format_grid_hyperlink(struct grid *gd, u_int x, u_int y, struct screen* s)
5282 {
5283 const char *uri;
5284 struct grid_cell gc;
5285
5286 grid_get_cell(gd, x, y, &gc);
5287 if (gc.flags & GRID_FLAG_PADDING)
5288 return (NULL);
5289 if (s->hyperlinks == NULL || gc.link == 0)
5290 return (NULL);
5291 if (!hyperlinks_get(s->hyperlinks, gc.link, &uri, NULL, NULL))
5292 return (NULL);
5293 return (xstrdup(uri));
5294 }
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