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Ignore the user keys range when checking if a key is Unicode.
[tmux.git] / format.c
blobdec4022acb6d923cd19a94e6e6abe76b84570c4a
1 /* $OpenBSD$ */
2
3 /*
4 * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <sys/types.h>
20 #include <sys/wait.h>
21
22 #include <ctype.h>
23 #include <errno.h>
24 #include <fnmatch.h>
25 #include <libgen.h>
26 #include <math.h>
27 #include <pwd.h>
28 #include <regex.h>
29 #include <stdarg.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <time.h>
33 #include <unistd.h>
34
35 #include "tmux.h"
36
37 /*
38 * Build a list of key-value pairs and use them to expand #{key} entries in a
39 * string.
40 */
41
42 struct format_expand_state;
43
44 static char *format_job_get(struct format_expand_state *, const char *);
45 static char *format_expand1(struct format_expand_state *, const char *);
46 static int format_replace(struct format_expand_state *, const char *,
47 size_t, char **, size_t *, size_t *);
48 static void format_defaults_session(struct format_tree *,
49 struct session *);
50 static void format_defaults_client(struct format_tree *, struct client *);
51 static void format_defaults_winlink(struct format_tree *,
52 struct winlink *);
53
54 /* Entry in format job tree. */
55 struct format_job {
56 struct client *client;
57 u_int tag;
58 const char *cmd;
59 const char *expanded;
60
61 time_t last;
62 char *out;
63 int updated;
64
65 struct job *job;
66 int status;
67
68 RB_ENTRY(format_job) entry;
69 };
70
71 /* Format job tree. */
72 static int format_job_cmp(struct format_job *, struct format_job *);
73 static RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
74 RB_GENERATE_STATIC(format_job_tree, format_job, entry, format_job_cmp);
75
76 /* Format job tree comparison function. */
77 static int
78 format_job_cmp(struct format_job *fj1, struct format_job *fj2)
79 {
80 if (fj1->tag < fj2->tag)
81 return (-1);
82 if (fj1->tag > fj2->tag)
83 return (1);
84 return (strcmp(fj1->cmd, fj2->cmd));
85 }
86
87 /* Format modifiers. */
88 #define FORMAT_TIMESTRING 0x1
89 #define FORMAT_BASENAME 0x2
90 #define FORMAT_DIRNAME 0x4
91 #define FORMAT_QUOTE_SHELL 0x8
92 #define FORMAT_LITERAL 0x10
93 #define FORMAT_EXPAND 0x20
94 #define FORMAT_EXPANDTIME 0x40
95 #define FORMAT_SESSIONS 0x80
96 #define FORMAT_WINDOWS 0x100
97 #define FORMAT_PANES 0x200
98 #define FORMAT_PRETTY 0x400
99 #define FORMAT_LENGTH 0x800
100 #define FORMAT_WIDTH 0x1000
101 #define FORMAT_QUOTE_STYLE 0x2000
102 #define FORMAT_WINDOW_NAME 0x4000
103 #define FORMAT_SESSION_NAME 0x8000
104 #define FORMAT_CHARACTER 0x10000
105 #define FORMAT_COLOUR 0x20000
106 #define FORMAT_CLIENTS 0x40000
107
108 /* Limit on recursion. */
109 #define FORMAT_LOOP_LIMIT 100
110
111 /* Format expand flags. */
112 #define FORMAT_EXPAND_TIME 0x1
113 #define FORMAT_EXPAND_NOJOBS 0x2
114
115 /* Entry in format tree. */
116 struct format_entry {
117 char *key;
118 char *value;
119 time_t time;
120 format_cb cb;
121 RB_ENTRY(format_entry) entry;
122 };
123
124 /* Format type. */
125 enum format_type {
126 FORMAT_TYPE_UNKNOWN,
127 FORMAT_TYPE_SESSION,
128 FORMAT_TYPE_WINDOW,
129 FORMAT_TYPE_PANE
130 };
131
132 struct format_tree {
133 enum format_type type;
134
135 struct client *c;
136 struct session *s;
137 struct winlink *wl;
138 struct window *w;
139 struct window_pane *wp;
140 struct paste_buffer *pb;
141
142 struct cmdq_item *item;
143 struct client *client;
144 int flags;
145 u_int tag;
146
147 struct mouse_event m;
148
149 RB_HEAD(format_entry_tree, format_entry) tree;
150 };
151 static int format_entry_cmp(struct format_entry *, struct format_entry *);
152 RB_GENERATE_STATIC(format_entry_tree, format_entry, entry, format_entry_cmp);
153
154 /* Format expand state. */
155 struct format_expand_state {
156 struct format_tree *ft;
157 u_int loop;
158 time_t time;
159 struct tm tm;
160 int flags;
161 };
162
163 /* Format modifier. */
164 struct format_modifier {
165 char modifier[3];
166 u_int size;
167
168 char **argv;
169 int argc;
170 };
171
172 /* Format entry tree comparison function. */
173 static int
174 format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
175 {
176 return (strcmp(fe1->key, fe2->key));
177 }
178
179 /* Single-character uppercase aliases. */
180 static const char *format_upper[] = {
181 NULL, /* A */
182 NULL, /* B */
183 NULL, /* C */
184 "pane_id", /* D */
185 NULL, /* E */
186 "window_flags", /* F */
187 NULL, /* G */
188 "host", /* H */
189 "window_index", /* I */
190 NULL, /* J */
191 NULL, /* K */
192 NULL, /* L */
193 NULL, /* M */
194 NULL, /* N */
195 NULL, /* O */
196 "pane_index", /* P */
197 NULL, /* Q */
198 NULL, /* R */
199 "session_name", /* S */
200 "pane_title", /* T */
201 NULL, /* U */
202 NULL, /* V */
203 "window_name", /* W */
204 NULL, /* X */
205 NULL, /* Y */
206 NULL /* Z */
207 };
208
209 /* Single-character lowercase aliases. */
210 static const char *format_lower[] = {
211 NULL, /* a */
212 NULL, /* b */
213 NULL, /* c */
214 NULL, /* d */
215 NULL, /* e */
216 NULL, /* f */
217 NULL, /* g */
218 "host_short", /* h */
219 NULL, /* i */
220 NULL, /* j */
221 NULL, /* k */
222 NULL, /* l */
223 NULL, /* m */
224 NULL, /* n */
225 NULL, /* o */
226 NULL, /* p */
227 NULL, /* q */
228 NULL, /* r */
229 NULL, /* s */
230 NULL, /* t */
231 NULL, /* u */
232 NULL, /* v */
233 NULL, /* w */
234 NULL, /* x */
235 NULL, /* y */
236 NULL /* z */
237 };
238
239 /* Is logging enabled? */
240 static inline int
241 format_logging(struct format_tree *ft)
242 {
243 return (log_get_level() != 0 || (ft->flags & FORMAT_VERBOSE));
244 }
245
246 /* Log a message if verbose. */
247 static void printflike(3, 4)
248 format_log1(struct format_expand_state *es, const char *from, const char *fmt,
249 ...)
250 {
251 struct format_tree *ft = es->ft;
252 va_list ap;
253 char *s;
254 static const char spaces[] = " ";
255
256 if (!format_logging(ft))
257 return;
258
259 va_start(ap, fmt);
260 xvasprintf(&s, fmt, ap);
261 va_end(ap);
262
263 log_debug("%s: %s", from, s);
264 if (ft->item != NULL && (ft->flags & FORMAT_VERBOSE))
265 cmdq_print(ft->item, "#%.*s%s", es->loop, spaces, s);
266
267 free(s);
268 }
269 #define format_log(es, fmt, ...) format_log1(es, __func__, fmt, ##__VA_ARGS__)
270
271 /* Copy expand state. */
272 static void
273 format_copy_state(struct format_expand_state *to,
274 struct format_expand_state *from, int flags)
275 {
276 to->ft = from->ft;
277 to->loop = from->loop;
278 to->time = from->time;
279 memcpy(&to->tm, &from->tm, sizeof to->tm);
280 to->flags = from->flags|flags;
281 }
282
283 /* Format job update callback. */
284 static void
285 format_job_update(struct job *job)
286 {
287 struct format_job *fj = job_get_data(job);
288 struct evbuffer *evb = job_get_event(job)->input;
289 char *line = NULL, *next;
290 time_t t;
291
292 while ((next = evbuffer_readline(evb)) != NULL) {
293 free(line);
294 line = next;
295 }
296 if (line == NULL)
297 return;
298 fj->updated = 1;
299
300 free(fj->out);
301 fj->out = line;
302
303 log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, fj->out);
304
305 t = time(NULL);
306 if (fj->status && fj->last != t) {
307 if (fj->client != NULL)
308 server_status_client(fj->client);
309 fj->last = t;
310 }
311 }
312
313 /* Format job complete callback. */
314 static void
315 format_job_complete(struct job *job)
316 {
317 struct format_job *fj = job_get_data(job);
318 struct evbuffer *evb = job_get_event(job)->input;
319 char *line, *buf;
320 size_t len;
321
322 fj->job = NULL;
323
324 buf = NULL;
325 if ((line = evbuffer_readline(evb)) == NULL) {
326 len = EVBUFFER_LENGTH(evb);
327 buf = xmalloc(len + 1);
328 if (len != 0)
329 memcpy(buf, EVBUFFER_DATA(evb), len);
330 buf[len] = '\0';
331 } else
332 buf = line;
333
334 log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, buf);
335
336 if (*buf != '\0' || !fj->updated) {
337 free(fj->out);
338 fj->out = buf;
339 } else
340 free(buf);
341
342 if (fj->status) {
343 if (fj->client != NULL)
344 server_status_client(fj->client);
345 fj->status = 0;
346 }
347 }
348
349 /* Find a job. */
350 static char *
351 format_job_get(struct format_expand_state *es, const char *cmd)
352 {
353 struct format_tree *ft = es->ft;
354 struct format_job_tree *jobs;
355 struct format_job fj0, *fj;
356 time_t t;
357 char *expanded;
358 int force;
359 struct format_expand_state next;
360
361 if (ft->client == NULL)
362 jobs = &format_jobs;
363 else if (ft->client->jobs != NULL)
364 jobs = ft->client->jobs;
365 else {
366 jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
367 RB_INIT(jobs);
368 }
369
370 fj0.tag = ft->tag;
371 fj0.cmd = cmd;
372 if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
373 fj = xcalloc(1, sizeof *fj);
374 fj->client = ft->client;
375 fj->tag = ft->tag;
376 fj->cmd = xstrdup(cmd);
377
378 RB_INSERT(format_job_tree, jobs, fj);
379 }
380
381 format_copy_state(&next, es, FORMAT_EXPAND_NOJOBS);
382 next.flags &= ~FORMAT_EXPAND_TIME;
383
384 expanded = format_expand1(&next, cmd);
385 if (fj->expanded == NULL || strcmp(expanded, fj->expanded) != 0) {
386 free((void *)fj->expanded);
387 fj->expanded = xstrdup(expanded);
388 force = 1;
389 } else
390 force = (ft->flags & FORMAT_FORCE);
391
392 t = time(NULL);
393 if (force && fj->job != NULL)
394 job_free(fj->job);
395 if (force || (fj->job == NULL && fj->last != t)) {
396 fj->job = job_run(expanded, 0, NULL, NULL, NULL,
397 server_client_get_cwd(ft->client, NULL), format_job_update,
398 format_job_complete, NULL, fj, JOB_NOWAIT, -1, -1);
399 if (fj->job == NULL) {
400 free(fj->out);
401 xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
402 }
403 fj->last = t;
404 fj->updated = 0;
405 } else if (fj->job != NULL && (t - fj->last) > 1 && fj->out == NULL)
406 xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
407 free(expanded);
408
409 if (ft->flags & FORMAT_STATUS)
410 fj->status = 1;
411 if (fj->out == NULL)
412 return (xstrdup(""));
413 return (format_expand1(&next, fj->out));
414 }
415
416 /* Remove old jobs. */
417 static void
418 format_job_tidy(struct format_job_tree *jobs, int force)
419 {
420 struct format_job *fj, *fj1;
421 time_t now;
422
423 now = time(NULL);
424 RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
425 if (!force && (fj->last > now || now - fj->last < 3600))
426 continue;
427 RB_REMOVE(format_job_tree, jobs, fj);
428
429 log_debug("%s: %s", __func__, fj->cmd);
430
431 if (fj->job != NULL)
432 job_free(fj->job);
433
434 free((void *)fj->expanded);
435 free((void *)fj->cmd);
436 free(fj->out);
437
438 free(fj);
439 }
440 }
441
442 /* Tidy old jobs for all clients. */
443 void
444 format_tidy_jobs(void)
445 {
446 struct client *c;
447
448 format_job_tidy(&format_jobs, 0);
449 TAILQ_FOREACH(c, &clients, entry) {
450 if (c->jobs != NULL)
451 format_job_tidy(c->jobs, 0);
452 }
453 }
454
455 /* Remove old jobs for client. */
456 void
457 format_lost_client(struct client *c)
458 {
459 if (c->jobs != NULL)
460 format_job_tidy(c->jobs, 1);
461 free(c->jobs);
462 }
463
464 /* Wrapper for asprintf. */
465 static char * printflike(1, 2)
466 format_printf(const char *fmt, ...)
467 {
468 va_list ap;
469 char *s;
470
471 va_start(ap, fmt);
472 xvasprintf(&s, fmt, ap);
473 va_end(ap);
474 return (s);
475 }
476
477 /* Callback for host. */
478 static void *
479 format_cb_host(__unused struct format_tree *ft)
480 {
481 char host[HOST_NAME_MAX + 1];
482
483 if (gethostname(host, sizeof host) != 0)
484 return (xstrdup(""));
485 return (xstrdup(host));
486 }
487
488 /* Callback for host_short. */
489 static void *
490 format_cb_host_short(__unused struct format_tree *ft)
491 {
492 char host[HOST_NAME_MAX + 1], *cp;
493
494 if (gethostname(host, sizeof host) != 0)
495 return (xstrdup(""));
496 if ((cp = strchr(host, '.')) != NULL)
497 *cp = '\0';
498 return (xstrdup(host));
499 }
500
501 /* Callback for pid. */
502 static void *
503 format_cb_pid(__unused struct format_tree *ft)
504 {
505 char *value;
506
507 xasprintf(&value, "%ld", (long)getpid());
508 return (value);
509 }
510
511 /* Callback for session_attached_list. */
512 static void *
513 format_cb_session_attached_list(struct format_tree *ft)
514 {
515 struct session *s = ft->s;
516 struct client *loop;
517 struct evbuffer *buffer;
518 int size;
519 char *value = NULL;
520
521 if (s == NULL)
522 return (NULL);
523
524 buffer = evbuffer_new();
525 if (buffer == NULL)
526 fatalx("out of memory");
527
528 TAILQ_FOREACH(loop, &clients, entry) {
529 if (loop->session == s) {
530 if (EVBUFFER_LENGTH(buffer) > 0)
531 evbuffer_add(buffer, ",", 1);
532 evbuffer_add_printf(buffer, "%s", loop->name);
533 }
534 }
535
536 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
537 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
538 evbuffer_free(buffer);
539 return (value);
540 }
541
542 /* Callback for session_alerts. */
543 static void *
544 format_cb_session_alerts(struct format_tree *ft)
545 {
546 struct session *s = ft->s;
547 struct winlink *wl;
548 char alerts[1024], tmp[16];
549
550 if (s == NULL)
551 return (NULL);
552
553 *alerts = '\0';
554 RB_FOREACH(wl, winlinks, &s->windows) {
555 if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
556 continue;
557 xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
558
559 if (*alerts != '\0')
560 strlcat(alerts, ",", sizeof alerts);
561 strlcat(alerts, tmp, sizeof alerts);
562 if (wl->flags & WINLINK_ACTIVITY)
563 strlcat(alerts, "#", sizeof alerts);
564 if (wl->flags & WINLINK_BELL)
565 strlcat(alerts, "!", sizeof alerts);
566 if (wl->flags & WINLINK_SILENCE)
567 strlcat(alerts, "~", sizeof alerts);
568 }
569 return (xstrdup(alerts));
570 }
571
572 /* Callback for session_stack. */
573 static void *
574 format_cb_session_stack(struct format_tree *ft)
575 {
576 struct session *s = ft->s;
577 struct winlink *wl;
578 char result[1024], tmp[16];
579
580 if (s == NULL)
581 return (NULL);
582
583 xsnprintf(result, sizeof result, "%u", s->curw->idx);
584 TAILQ_FOREACH(wl, &s->lastw, sentry) {
585 xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
586
587 if (*result != '\0')
588 strlcat(result, ",", sizeof result);
589 strlcat(result, tmp, sizeof result);
590 }
591 return (xstrdup(result));
592 }
593
594 /* Callback for window_stack_index. */
595 static void *
596 format_cb_window_stack_index(struct format_tree *ft)
597 {
598 struct session *s;
599 struct winlink *wl;
600 u_int idx;
601 char *value = NULL;
602
603 if (ft->wl == NULL)
604 return (NULL);
605 s = ft->wl->session;
606
607 idx = 0;
608 TAILQ_FOREACH(wl, &s->lastw, sentry) {
609 idx++;
610 if (wl == ft->wl)
611 break;
612 }
613 if (wl == NULL)
614 return (xstrdup("0"));
615 xasprintf(&value, "%u", idx);
616 return (value);
617 }
618
619 /* Callback for window_linked_sessions_list. */
620 static void *
621 format_cb_window_linked_sessions_list(struct format_tree *ft)
622 {
623 struct window *w;
624 struct winlink *wl;
625 struct evbuffer *buffer;
626 int size;
627 char *value = NULL;
628
629 if (ft->wl == NULL)
630 return (NULL);
631 w = ft->wl->window;
632
633 buffer = evbuffer_new();
634 if (buffer == NULL)
635 fatalx("out of memory");
636
637 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
638 if (EVBUFFER_LENGTH(buffer) > 0)
639 evbuffer_add(buffer, ",", 1);
640 evbuffer_add_printf(buffer, "%s", wl->session->name);
641 }
642
643 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
644 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
645 evbuffer_free(buffer);
646 return (value);
647 }
648
649 /* Callback for window_active_sessions. */
650 static void *
651 format_cb_window_active_sessions(struct format_tree *ft)
652 {
653 struct window *w;
654 struct winlink *wl;
655 u_int n = 0;
656 char *value;
657
658 if (ft->wl == NULL)
659 return (NULL);
660 w = ft->wl->window;
661
662 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
663 if (wl->session->curw == wl)
664 n++;
665 }
666
667 xasprintf(&value, "%u", n);
668 return (value);
669 }
670
671 /* Callback for window_active_sessions_list. */
672 static void *
673 format_cb_window_active_sessions_list(struct format_tree *ft)
674 {
675 struct window *w;
676 struct winlink *wl;
677 struct evbuffer *buffer;
678 int size;
679 char *value = NULL;
680
681 if (ft->wl == NULL)
682 return (NULL);
683 w = ft->wl->window;
684
685 buffer = evbuffer_new();
686 if (buffer == NULL)
687 fatalx("out of memory");
688
689 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
690 if (wl->session->curw == wl) {
691 if (EVBUFFER_LENGTH(buffer) > 0)
692 evbuffer_add(buffer, ",", 1);
693 evbuffer_add_printf(buffer, "%s", wl->session->name);
694 }
695 }
696
697 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
698 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
699 evbuffer_free(buffer);
700 return (value);
701 }
702
703 /* Callback for window_active_clients. */
704 static void *
705 format_cb_window_active_clients(struct format_tree *ft)
706 {
707 struct window *w;
708 struct client *loop;
709 struct session *client_session;
710 u_int n = 0;
711 char *value;
712
713 if (ft->wl == NULL)
714 return (NULL);
715 w = ft->wl->window;
716
717 TAILQ_FOREACH(loop, &clients, entry) {
718 client_session = loop->session;
719 if (client_session == NULL)
720 continue;
721
722 if (w == client_session->curw->window)
723 n++;
724 }
725
726 xasprintf(&value, "%u", n);
727 return (value);
728 }
729
730 /* Callback for window_active_clients_list. */
731 static void *
732 format_cb_window_active_clients_list(struct format_tree *ft)
733 {
734 struct window *w;
735 struct client *loop;
736 struct session *client_session;
737 struct evbuffer *buffer;
738 int size;
739 char *value = NULL;
740
741 if (ft->wl == NULL)
742 return (NULL);
743 w = ft->wl->window;
744
745 buffer = evbuffer_new();
746 if (buffer == NULL)
747 fatalx("out of memory");
748
749 TAILQ_FOREACH(loop, &clients, entry) {
750 client_session = loop->session;
751 if (client_session == NULL)
752 continue;
753
754 if (w == client_session->curw->window) {
755 if (EVBUFFER_LENGTH(buffer) > 0)
756 evbuffer_add(buffer, ",", 1);
757 evbuffer_add_printf(buffer, "%s", loop->name);
758 }
759 }
760
761 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
762 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
763 evbuffer_free(buffer);
764 return (value);
765 }
766
767 /* Callback for window_layout. */
768 static void *
769 format_cb_window_layout(struct format_tree *ft)
770 {
771 struct window *w = ft->w;
772
773 if (w == NULL)
774 return (NULL);
775
776 if (w->saved_layout_root != NULL)
777 return (layout_dump(w->saved_layout_root));
778 return (layout_dump(w->layout_root));
779 }
780
781 /* Callback for window_visible_layout. */
782 static void *
783 format_cb_window_visible_layout(struct format_tree *ft)
784 {
785 struct window *w = ft->w;
786
787 if (w == NULL)
788 return (NULL);
789
790 return (layout_dump(w->layout_root));
791 }
792
793 /* Callback for pane_start_command. */
794 static void *
795 format_cb_start_command(struct format_tree *ft)
796 {
797 struct window_pane *wp = ft->wp;
798
799 if (wp == NULL)
800 return (NULL);
801
802 return (cmd_stringify_argv(wp->argc, wp->argv));
803 }
804
805 /* Callback for pane_start_path. */
806 static void *
807 format_cb_start_path(struct format_tree *ft)
808 {
809 struct window_pane *wp = ft->wp;
810
811 if (wp == NULL)
812 return (NULL);
813
814 if (wp->cwd == NULL)
815 return (xstrdup(""));
816 return (xstrdup(wp->cwd));
817 }
818
819 /* Callback for pane_current_command. */
820 static void *
821 format_cb_current_command(struct format_tree *ft)
822 {
823 struct window_pane *wp = ft->wp;
824 char *cmd, *value;
825
826 if (wp == NULL || wp->shell == NULL)
827 return (NULL);
828
829 cmd = get_proc_name(wp->fd, wp->tty);
830 if (cmd == NULL || *cmd == '\0') {
831 free(cmd);
832 cmd = cmd_stringify_argv(wp->argc, wp->argv);
833 if (cmd == NULL || *cmd == '\0') {
834 free(cmd);
835 cmd = xstrdup(wp->shell);
836 }
837 }
838 value = parse_window_name(cmd);
839 free(cmd);
840 return (value);
841 }
842
843 /* Callback for pane_current_path. */
844 static void *
845 format_cb_current_path(struct format_tree *ft)
846 {
847 struct window_pane *wp = ft->wp;
848 char *cwd;
849
850 if (wp == NULL)
851 return (NULL);
852
853 cwd = get_proc_cwd(wp->fd);
854 if (cwd == NULL)
855 return (NULL);
856 return (xstrdup(cwd));
857 }
858
859 /* Callback for history_bytes. */
860 static void *
861 format_cb_history_bytes(struct format_tree *ft)
862 {
863 struct window_pane *wp = ft->wp;
864 struct grid *gd;
865 struct grid_line *gl;
866 size_t size = 0;
867 u_int i;
868 char *value;
869
870 if (wp == NULL)
871 return (NULL);
872 gd = wp->base.grid;
873
874 for (i = 0; i < gd->hsize + gd->sy; i++) {
875 gl = grid_get_line(gd, i);
876 size += gl->cellsize * sizeof *gl->celldata;
877 size += gl->extdsize * sizeof *gl->extddata;
878 }
879 size += (gd->hsize + gd->sy) * sizeof *gl;
880
881 xasprintf(&value, "%zu", size);
882 return (value);
883 }
884
885 /* Callback for history_all_bytes. */
886 static void *
887 format_cb_history_all_bytes(struct format_tree *ft)
888 {
889 struct window_pane *wp = ft->wp;
890 struct grid *gd;
891 struct grid_line *gl;
892 u_int i, lines, cells = 0, extended_cells = 0;
893 char *value;
894
895 if (wp == NULL)
896 return (NULL);
897 gd = wp->base.grid;
898
899 lines = gd->hsize + gd->sy;
900 for (i = 0; i < lines; i++) {
901 gl = grid_get_line(gd, i);
902 cells += gl->cellsize;
903 extended_cells += gl->extdsize;
904 }
905
906 xasprintf(&value, "%u,%zu,%u,%zu,%u,%zu", lines,
907 lines * sizeof *gl, cells, cells * sizeof *gl->celldata,
908 extended_cells, extended_cells * sizeof *gl->extddata);
909 return (value);
910 }
911
912 /* Callback for pane_tabs. */
913 static void *
914 format_cb_pane_tabs(struct format_tree *ft)
915 {
916 struct window_pane *wp = ft->wp;
917 struct evbuffer *buffer;
918 u_int i;
919 int size;
920 char *value = NULL;
921
922 if (wp == NULL)
923 return (NULL);
924
925 buffer = evbuffer_new();
926 if (buffer == NULL)
927 fatalx("out of memory");
928 for (i = 0; i < wp->base.grid->sx; i++) {
929 if (!bit_test(wp->base.tabs, i))
930 continue;
931
932 if (EVBUFFER_LENGTH(buffer) > 0)
933 evbuffer_add(buffer, ",", 1);
934 evbuffer_add_printf(buffer, "%u", i);
935 }
936 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
937 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
938 evbuffer_free(buffer);
939 return (value);
940 }
941
942 /* Callback for pane_fg. */
943 static void *
944 format_cb_pane_fg(struct format_tree *ft)
945 {
946 struct window_pane *wp = ft->wp;
947 struct grid_cell gc;
948
949 if (wp == NULL)
950 return (NULL);
951
952 tty_default_colours(&gc, wp);
953 return (xstrdup(colour_tostring(gc.fg)));
954 }
955
956 /* Callback for pane_bg. */
957 static void *
958 format_cb_pane_bg(struct format_tree *ft)
959 {
960 struct window_pane *wp = ft->wp;
961 struct grid_cell gc;
962
963 if (wp == NULL)
964 return (NULL);
965
966 tty_default_colours(&gc, wp);
967 return (xstrdup(colour_tostring(gc.bg)));
968 }
969
970 /* Callback for session_group_list. */
971 static void *
972 format_cb_session_group_list(struct format_tree *ft)
973 {
974 struct session *s = ft->s;
975 struct session_group *sg;
976 struct session *loop;
977 struct evbuffer *buffer;
978 int size;
979 char *value = NULL;
980
981 if (s == NULL)
982 return (NULL);
983 sg = session_group_contains(s);
984 if (sg == NULL)
985 return (NULL);
986
987 buffer = evbuffer_new();
988 if (buffer == NULL)
989 fatalx("out of memory");
990
991 TAILQ_FOREACH(loop, &sg->sessions, gentry) {
992 if (EVBUFFER_LENGTH(buffer) > 0)
993 evbuffer_add(buffer, ",", 1);
994 evbuffer_add_printf(buffer, "%s", loop->name);
995 }
996
997 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
998 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
999 evbuffer_free(buffer);
1000 return (value);
1001 }
1002
1003 /* Callback for session_group_attached_list. */
1004 static void *
1005 format_cb_session_group_attached_list(struct format_tree *ft)
1006 {
1007 struct session *s = ft->s, *client_session, *session_loop;
1008 struct session_group *sg;
1009 struct client *loop;
1010 struct evbuffer *buffer;
1011 int size;
1012 char *value = NULL;
1013
1014 if (s == NULL)
1015 return (NULL);
1016 sg = session_group_contains(s);
1017 if (sg == NULL)
1018 return (NULL);
1019
1020 buffer = evbuffer_new();
1021 if (buffer == NULL)
1022 fatalx("out of memory");
1023
1024 TAILQ_FOREACH(loop, &clients, entry) {
1025 client_session = loop->session;
1026 if (client_session == NULL)
1027 continue;
1028 TAILQ_FOREACH(session_loop, &sg->sessions, gentry) {
1029 if (session_loop == client_session){
1030 if (EVBUFFER_LENGTH(buffer) > 0)
1031 evbuffer_add(buffer, ",", 1);
1032 evbuffer_add_printf(buffer, "%s", loop->name);
1033 }
1034 }
1035 }
1036
1037 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
1038 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
1039 evbuffer_free(buffer);
1040 return (value);
1041 }
1042
1043 /* Callback for pane_in_mode. */
1044 static void *
1045 format_cb_pane_in_mode(struct format_tree *ft)
1046 {
1047 struct window_pane *wp = ft->wp;
1048 u_int n = 0;
1049 struct window_mode_entry *wme;
1050 char *value;
1051
1052 if (wp == NULL)
1053 return (NULL);
1054
1055 TAILQ_FOREACH(wme, &wp->modes, entry)
1056 n++;
1057 xasprintf(&value, "%u", n);
1058 return (value);
1059 }
1060
1061 /* Callback for pane_at_top. */
1062 static void *
1063 format_cb_pane_at_top(struct format_tree *ft)
1064 {
1065 struct window_pane *wp = ft->wp;
1066 struct window *w;
1067 int status, flag;
1068 char *value;
1069
1070 if (wp == NULL)
1071 return (NULL);
1072 w = wp->window;
1073
1074 status = options_get_number(w->options, "pane-border-status");
1075 if (status == PANE_STATUS_TOP)
1076 flag = (wp->yoff == 1);
1077 else
1078 flag = (wp->yoff == 0);
1079 xasprintf(&value, "%d", flag);
1080 return (value);
1081 }
1082
1083 /* Callback for pane_at_bottom. */
1084 static void *
1085 format_cb_pane_at_bottom(struct format_tree *ft)
1086 {
1087 struct window_pane *wp = ft->wp;
1088 struct window *w;
1089 int status, flag;
1090 char *value;
1091
1092 if (wp == NULL)
1093 return (NULL);
1094 w = wp->window;
1095
1096 status = options_get_number(w->options, "pane-border-status");
1097 if (status == PANE_STATUS_BOTTOM)
1098 flag = (wp->yoff + wp->sy == w->sy - 1);
1099 else
1100 flag = (wp->yoff + wp->sy == w->sy);
1101 xasprintf(&value, "%d", flag);
1102 return (value);
1103 }
1104
1105 /* Callback for cursor_character. */
1106 static void *
1107 format_cb_cursor_character(struct format_tree *ft)
1108 {
1109 struct window_pane *wp = ft->wp;
1110 struct grid_cell gc;
1111 char *value = NULL;
1112
1113 if (wp == NULL)
1114 return (NULL);
1115
1116 grid_view_get_cell(wp->base.grid, wp->base.cx, wp->base.cy, &gc);
1117 if (~gc.flags & GRID_FLAG_PADDING)
1118 xasprintf(&value, "%.*s", (int)gc.data.size, gc.data.data);
1119 return (value);
1120 }
1121
1122 /* Callback for mouse_word. */
1123 static void *
1124 format_cb_mouse_word(struct format_tree *ft)
1125 {
1126 struct window_pane *wp;
1127 struct grid *gd;
1128 u_int x, y;
1129 char *s;
1130
1131 if (!ft->m.valid)
1132 return (NULL);
1133 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1134 if (wp == NULL)
1135 return (NULL);
1136 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1137 return (NULL);
1138
1139 if (!TAILQ_EMPTY(&wp->modes)) {
1140 if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
1141 TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
1142 return (s = window_copy_get_word(wp, x, y));
1143 return (NULL);
1144 }
1145 gd = wp->base.grid;
1146 return (format_grid_word(gd, x, gd->hsize + y));
1147 }
1148
1149 /* Callback for mouse_hyperlink. */
1150 static void *
1151 format_cb_mouse_hyperlink(struct format_tree *ft)
1152 {
1153 struct window_pane *wp;
1154 struct grid *gd;
1155 u_int x, y;
1156
1157 if (!ft->m.valid)
1158 return (NULL);
1159 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1160 if (wp == NULL)
1161 return (NULL);
1162 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1163 return (NULL);
1164 gd = wp->base.grid;
1165 return (format_grid_hyperlink(gd, x, gd->hsize + y, wp->screen));
1166 }
1167
1168 /* Callback for mouse_line. */
1169 static void *
1170 format_cb_mouse_line(struct format_tree *ft)
1171 {
1172 struct window_pane *wp;
1173 struct grid *gd;
1174 u_int x, y;
1175
1176 if (!ft->m.valid)
1177 return (NULL);
1178 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1179 if (wp == NULL)
1180 return (NULL);
1181 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1182 return (NULL);
1183
1184 if (!TAILQ_EMPTY(&wp->modes)) {
1185 if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
1186 TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
1187 return (window_copy_get_line(wp, y));
1188 return (NULL);
1189 }
1190 gd = wp->base.grid;
1191 return (format_grid_line(gd, gd->hsize + y));
1192 }
1193
1194 /* Callback for alternate_on. */
1195 static void *
1196 format_cb_alternate_on(struct format_tree *ft)
1197 {
1198 if (ft->wp != NULL) {
1199 if (ft->wp->base.saved_grid != NULL)
1200 return (xstrdup("1"));
1201 return (xstrdup("0"));
1202 }
1203 return (NULL);
1204 }
1205
1206 /* Callback for alternate_saved_x. */
1207 static void *
1208 format_cb_alternate_saved_x(struct format_tree *ft)
1209 {
1210 if (ft->wp != NULL)
1211 return (format_printf("%u", ft->wp->base.saved_cx));
1212 return (NULL);
1213 }
1214
1215 /* Callback for alternate_saved_y. */
1216 static void *
1217 format_cb_alternate_saved_y(struct format_tree *ft)
1218 {
1219 if (ft->wp != NULL)
1220 return (format_printf("%u", ft->wp->base.saved_cy));
1221 return (NULL);
1222 }
1223
1224 /* Callback for buffer_name. */
1225 static void *
1226 format_cb_buffer_name(struct format_tree *ft)
1227 {
1228 if (ft->pb != NULL)
1229 return (xstrdup(paste_buffer_name(ft->pb)));
1230 return (NULL);
1231 }
1232
1233 /* Callback for buffer_sample. */
1234 static void *
1235 format_cb_buffer_sample(struct format_tree *ft)
1236 {
1237 if (ft->pb != NULL)
1238 return (paste_make_sample(ft->pb));
1239 return (NULL);
1240 }
1241
1242 /* Callback for buffer_size. */
1243 static void *
1244 format_cb_buffer_size(struct format_tree *ft)
1245 {
1246 size_t size;
1247
1248 if (ft->pb != NULL) {
1249 paste_buffer_data(ft->pb, &size);
1250 return (format_printf("%zu", size));
1251 }
1252 return (NULL);
1253 }
1254
1255 /* Callback for client_cell_height. */
1256 static void *
1257 format_cb_client_cell_height(struct format_tree *ft)
1258 {
1259 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1260 return (format_printf("%u", ft->c->tty.ypixel));
1261 return (NULL);
1262 }
1263
1264 /* Callback for client_cell_width. */
1265 static void *
1266 format_cb_client_cell_width(struct format_tree *ft)
1267 {
1268 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1269 return (format_printf("%u", ft->c->tty.xpixel));
1270 return (NULL);
1271 }
1272
1273 /* Callback for client_control_mode. */
1274 static void *
1275 format_cb_client_control_mode(struct format_tree *ft)
1276 {
1277 if (ft->c != NULL) {
1278 if (ft->c->flags & CLIENT_CONTROL)
1279 return (xstrdup("1"));
1280 return (xstrdup("0"));
1281 }
1282 return (NULL);
1283 }
1284
1285 /* Callback for client_discarded. */
1286 static void *
1287 format_cb_client_discarded(struct format_tree *ft)
1288 {
1289 if (ft->c != NULL)
1290 return (format_printf("%zu", ft->c->discarded));
1291 return (NULL);
1292 }
1293
1294 /* Callback for client_flags. */
1295 static void *
1296 format_cb_client_flags(struct format_tree *ft)
1297 {
1298 if (ft->c != NULL)
1299 return (xstrdup(server_client_get_flags(ft->c)));
1300 return (NULL);
1301 }
1302
1303 /* Callback for client_height. */
1304 static void *
1305 format_cb_client_height(struct format_tree *ft)
1306 {
1307 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1308 return (format_printf("%u", ft->c->tty.sy));
1309 return (NULL);
1310 }
1311
1312 /* Callback for client_key_table. */
1313 static void *
1314 format_cb_client_key_table(struct format_tree *ft)
1315 {
1316 if (ft->c != NULL)
1317 return (xstrdup(ft->c->keytable->name));
1318 return (NULL);
1319 }
1320
1321 /* Callback for client_last_session. */
1322 static void *
1323 format_cb_client_last_session(struct format_tree *ft)
1324 {
1325 if (ft->c != NULL &&
1326 ft->c->last_session != NULL &&
1327 session_alive(ft->c->last_session))
1328 return (xstrdup(ft->c->last_session->name));
1329 return (NULL);
1330 }
1331
1332 /* Callback for client_name. */
1333 static void *
1334 format_cb_client_name(struct format_tree *ft)
1335 {
1336 if (ft->c != NULL)
1337 return (xstrdup(ft->c->name));
1338 return (NULL);
1339 }
1340
1341 /* Callback for client_pid. */
1342 static void *
1343 format_cb_client_pid(struct format_tree *ft)
1344 {
1345 if (ft->c != NULL)
1346 return (format_printf("%ld", (long)ft->c->pid));
1347 return (NULL);
1348 }
1349
1350 /* Callback for client_prefix. */
1351 static void *
1352 format_cb_client_prefix(struct format_tree *ft)
1353 {
1354 const char *name;
1355
1356 if (ft->c != NULL) {
1357 name = server_client_get_key_table(ft->c);
1358 if (strcmp(ft->c->keytable->name, name) == 0)
1359 return (xstrdup("0"));
1360 return (xstrdup("1"));
1361 }
1362 return (NULL);
1363 }
1364
1365 /* Callback for client_readonly. */
1366 static void *
1367 format_cb_client_readonly(struct format_tree *ft)
1368 {
1369 if (ft->c != NULL) {
1370 if (ft->c->flags & CLIENT_READONLY)
1371 return (xstrdup("1"));
1372 return (xstrdup("0"));
1373 }
1374 return (NULL);
1375 }
1376
1377 /* Callback for client_session. */
1378 static void *
1379 format_cb_client_session(struct format_tree *ft)
1380 {
1381 if (ft->c != NULL && ft->c->session != NULL)
1382 return (xstrdup(ft->c->session->name));
1383 return (NULL);
1384 }
1385
1386 /* Callback for client_termfeatures. */
1387 static void *
1388 format_cb_client_termfeatures(struct format_tree *ft)
1389 {
1390 if (ft->c != NULL)
1391 return (xstrdup(tty_get_features(ft->c->term_features)));
1392 return (NULL);
1393 }
1394
1395 /* Callback for client_termname. */
1396 static void *
1397 format_cb_client_termname(struct format_tree *ft)
1398 {
1399 if (ft->c != NULL)
1400 return (xstrdup(ft->c->term_name));
1401 return (NULL);
1402 }
1403
1404 /* Callback for client_termtype. */
1405 static void *
1406 format_cb_client_termtype(struct format_tree *ft)
1407 {
1408 if (ft->c != NULL) {
1409 if (ft->c->term_type == NULL)
1410 return (xstrdup(""));
1411 return (xstrdup(ft->c->term_type));
1412 }
1413 return (NULL);
1414 }
1415
1416 /* Callback for client_tty. */
1417 static void *
1418 format_cb_client_tty(struct format_tree *ft)
1419 {
1420 if (ft->c != NULL)
1421 return (xstrdup(ft->c->ttyname));
1422 return (NULL);
1423 }
1424
1425 /* Callback for client_uid. */
1426 static void *
1427 format_cb_client_uid(struct format_tree *ft)
1428 {
1429 uid_t uid;
1430
1431 if (ft->c != NULL) {
1432 uid = proc_get_peer_uid(ft->c->peer);
1433 if (uid != (uid_t)-1)
1434 return (format_printf("%ld", (long)uid));
1435 }
1436 return (NULL);
1437 }
1438
1439 /* Callback for client_user. */
1440 static void *
1441 format_cb_client_user(struct format_tree *ft)
1442 {
1443 uid_t uid;
1444 struct passwd *pw;
1445
1446 if (ft->c != NULL) {
1447 uid = proc_get_peer_uid(ft->c->peer);
1448 if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL)
1449 return (xstrdup(pw->pw_name));
1450 }
1451 return (NULL);
1452 }
1453
1454 /* Callback for client_utf8. */
1455 static void *
1456 format_cb_client_utf8(struct format_tree *ft)
1457 {
1458 if (ft->c != NULL) {
1459 if (ft->c->flags & CLIENT_UTF8)
1460 return (xstrdup("1"));
1461 return (xstrdup("0"));
1462 }
1463 return (NULL);
1464 }
1465
1466 /* Callback for client_width. */
1467 static void *
1468 format_cb_client_width(struct format_tree *ft)
1469 {
1470 if (ft->c != NULL)
1471 return (format_printf("%u", ft->c->tty.sx));
1472 return (NULL);
1473 }
1474
1475 /* Callback for client_written. */
1476 static void *
1477 format_cb_client_written(struct format_tree *ft)
1478 {
1479 if (ft->c != NULL)
1480 return (format_printf("%zu", ft->c->written));
1481 return (NULL);
1482 }
1483
1484 /* Callback for config_files. */
1485 static void *
1486 format_cb_config_files(__unused struct format_tree *ft)
1487 {
1488 char *s = NULL;
1489 size_t slen = 0;
1490 u_int i;
1491 size_t n;
1492
1493 for (i = 0; i < cfg_nfiles; i++) {
1494 n = strlen(cfg_files[i]) + 1;
1495 s = xrealloc(s, slen + n + 1);
1496 slen += xsnprintf(s + slen, n + 1, "%s,", cfg_files[i]);
1497 }
1498 if (s == NULL)
1499 return (xstrdup(""));
1500 s[slen - 1] = '\0';
1501 return (s);
1502 }
1503
1504 /* Callback for cursor_flag. */
1505 static void *
1506 format_cb_cursor_flag(struct format_tree *ft)
1507 {
1508 if (ft->wp != NULL) {
1509 if (ft->wp->base.mode & MODE_CURSOR)
1510 return (xstrdup("1"));
1511 return (xstrdup("0"));
1512 }
1513 return (NULL);
1514 }
1515
1516 /* Callback for cursor_x. */
1517 static void *
1518 format_cb_cursor_x(struct format_tree *ft)
1519 {
1520 if (ft->wp != NULL)
1521 return (format_printf("%u", ft->wp->base.cx));
1522 return (NULL);
1523 }
1524
1525 /* Callback for cursor_y. */
1526 static void *
1527 format_cb_cursor_y(struct format_tree *ft)
1528 {
1529 if (ft->wp != NULL)
1530 return (format_printf("%u", ft->wp->base.cy));
1531 return (NULL);
1532 }
1533
1534 /* Callback for history_limit. */
1535 static void *
1536 format_cb_history_limit(struct format_tree *ft)
1537 {
1538 if (ft->wp != NULL)
1539 return (format_printf("%u", ft->wp->base.grid->hlimit));
1540 return (NULL);
1541 }
1542
1543 /* Callback for history_size. */
1544 static void *
1545 format_cb_history_size(struct format_tree *ft)
1546 {
1547 if (ft->wp != NULL)
1548 return (format_printf("%u", ft->wp->base.grid->hsize));
1549 return (NULL);
1550 }
1551
1552 /* Callback for insert_flag. */
1553 static void *
1554 format_cb_insert_flag(struct format_tree *ft)
1555 {
1556 if (ft->wp != NULL) {
1557 if (ft->wp->base.mode & MODE_INSERT)
1558 return (xstrdup("1"));
1559 return (xstrdup("0"));
1560 }
1561 return (NULL);
1562 }
1563
1564 /* Callback for keypad_cursor_flag. */
1565 static void *
1566 format_cb_keypad_cursor_flag(struct format_tree *ft)
1567 {
1568 if (ft->wp != NULL) {
1569 if (ft->wp->base.mode & MODE_KCURSOR)
1570 return (xstrdup("1"));
1571 return (xstrdup("0"));
1572 }
1573 return (NULL);
1574 }
1575
1576 /* Callback for keypad_flag. */
1577 static void *
1578 format_cb_keypad_flag(struct format_tree *ft)
1579 {
1580 if (ft->wp != NULL) {
1581 if (ft->wp->base.mode & MODE_KKEYPAD)
1582 return (xstrdup("1"));
1583 return (xstrdup("0"));
1584 }
1585 return (NULL);
1586 }
1587
1588 /* Callback for mouse_all_flag. */
1589 static void *
1590 format_cb_mouse_all_flag(struct format_tree *ft)
1591 {
1592 if (ft->wp != NULL) {
1593 if (ft->wp->base.mode & MODE_MOUSE_ALL)
1594 return (xstrdup("1"));
1595 return (xstrdup("0"));
1596 }
1597 return (NULL);
1598 }
1599
1600 /* Callback for mouse_any_flag. */
1601 static void *
1602 format_cb_mouse_any_flag(struct format_tree *ft)
1603 {
1604 if (ft->wp != NULL) {
1605 if (ft->wp->base.mode & ALL_MOUSE_MODES)
1606 return (xstrdup("1"));
1607 return (xstrdup("0"));
1608 }
1609 return (NULL);
1610 }
1611
1612 /* Callback for mouse_button_flag. */
1613 static void *
1614 format_cb_mouse_button_flag(struct format_tree *ft)
1615 {
1616 if (ft->wp != NULL) {
1617 if (ft->wp->base.mode & MODE_MOUSE_BUTTON)
1618 return (xstrdup("1"));
1619 return (xstrdup("0"));
1620 }
1621 return (NULL);
1622 }
1623
1624 /* Callback for mouse_pane. */
1625 static void *
1626 format_cb_mouse_pane(struct format_tree *ft)
1627 {
1628 struct window_pane *wp;
1629
1630 if (ft->m.valid) {
1631 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1632 if (wp != NULL)
1633 return (format_printf("%%%u", wp->id));
1634 return (NULL);
1635 }
1636 return (NULL);
1637 }
1638
1639 /* Callback for mouse_sgr_flag. */
1640 static void *
1641 format_cb_mouse_sgr_flag(struct format_tree *ft)
1642 {
1643 if (ft->wp != NULL) {
1644 if (ft->wp->base.mode & MODE_MOUSE_SGR)
1645 return (xstrdup("1"));
1646 return (xstrdup("0"));
1647 }
1648 return (NULL);
1649 }
1650
1651 /* Callback for mouse_standard_flag. */
1652 static void *
1653 format_cb_mouse_standard_flag(struct format_tree *ft)
1654 {
1655 if (ft->wp != NULL) {
1656 if (ft->wp->base.mode & MODE_MOUSE_STANDARD)
1657 return (xstrdup("1"));
1658 return (xstrdup("0"));
1659 }
1660 return (NULL);
1661 }
1662
1663 /* Callback for mouse_utf8_flag. */
1664 static void *
1665 format_cb_mouse_utf8_flag(struct format_tree *ft)
1666 {
1667 if (ft->wp != NULL) {
1668 if (ft->wp->base.mode & MODE_MOUSE_UTF8)
1669 return (xstrdup("1"));
1670 return (xstrdup("0"));
1671 }
1672 return (NULL);
1673 }
1674
1675 /* Callback for mouse_x. */
1676 static void *
1677 format_cb_mouse_x(struct format_tree *ft)
1678 {
1679 struct window_pane *wp;
1680 u_int x, y;
1681
1682 if (!ft->m.valid)
1683 return (NULL);
1684 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1685 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1686 return (format_printf("%u", x));
1687 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1688 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1689 return (format_printf("%u", ft->m.x));
1690 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1691 return (format_printf("%u", ft->m.x));
1692 }
1693 return (NULL);
1694 }
1695
1696 /* Callback for mouse_y. */
1697 static void *
1698 format_cb_mouse_y(struct format_tree *ft)
1699 {
1700 struct window_pane *wp;
1701 u_int x, y;
1702
1703 if (!ft->m.valid)
1704 return (NULL);
1705 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1706 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1707 return (format_printf("%u", y));
1708 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1709 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1710 return (format_printf("%u", ft->m.y));
1711 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1712 return (format_printf("%u", ft->m.y - ft->m.statusat));
1713 }
1714 return (NULL);
1715 }
1716
1717 /* Callback for next_session_id. */
1718 static void *
1719 format_cb_next_session_id(__unused struct format_tree *ft)
1720 {
1721 return (format_printf("$%u", next_session_id));
1722 }
1723
1724 /* Callback for origin_flag. */
1725 static void *
1726 format_cb_origin_flag(struct format_tree *ft)
1727 {
1728 if (ft->wp != NULL) {
1729 if (ft->wp->base.mode & MODE_ORIGIN)
1730 return (xstrdup("1"));
1731 return (xstrdup("0"));
1732 }
1733 return (NULL);
1734 }
1735
1736 /* Callback for pane_active. */
1737 static void *
1738 format_cb_pane_active(struct format_tree *ft)
1739 {
1740 if (ft->wp != NULL) {
1741 if (ft->wp == ft->wp->window->active)
1742 return (xstrdup("1"));
1743 return (xstrdup("0"));
1744 }
1745 return (NULL);
1746 }
1747
1748 /* Callback for pane_at_left. */
1749 static void *
1750 format_cb_pane_at_left(struct format_tree *ft)
1751 {
1752 if (ft->wp != NULL) {
1753 if (ft->wp->xoff == 0)
1754 return (xstrdup("1"));
1755 return (xstrdup("0"));
1756 }
1757 return (NULL);
1758 }
1759
1760 /* Callback for pane_at_right. */
1761 static void *
1762 format_cb_pane_at_right(struct format_tree *ft)
1763 {
1764 if (ft->wp != NULL) {
1765 if (ft->wp->xoff + ft->wp->sx == ft->wp->window->sx)
1766 return (xstrdup("1"));
1767 return (xstrdup("0"));
1768 }
1769 return (NULL);
1770 }
1771
1772 /* Callback for pane_bottom. */
1773 static void *
1774 format_cb_pane_bottom(struct format_tree *ft)
1775 {
1776 if (ft->wp != NULL)
1777 return (format_printf("%u", ft->wp->yoff + ft->wp->sy - 1));
1778 return (NULL);
1779 }
1780
1781 /* Callback for pane_dead. */
1782 static void *
1783 format_cb_pane_dead(struct format_tree *ft)
1784 {
1785 if (ft->wp != NULL) {
1786 if (ft->wp->fd == -1)
1787 return (xstrdup("1"));
1788 return (xstrdup("0"));
1789 }
1790 return (NULL);
1791 }
1792
1793 /* Callback for pane_dead_signal. */
1794 static void *
1795 format_cb_pane_dead_signal(struct format_tree *ft)
1796 {
1797 struct window_pane *wp = ft->wp;
1798 const char *name;
1799
1800 if (wp != NULL) {
1801 if ((wp->flags & PANE_STATUSREADY) && WIFSIGNALED(wp->status)) {
1802 name = sig2name(WTERMSIG(wp->status));
1803 return (format_printf("%s", name));
1804 }
1805 return (NULL);
1806 }
1807 return (NULL);
1808 }
1809
1810 /* Callback for pane_dead_status. */
1811 static void *
1812 format_cb_pane_dead_status(struct format_tree *ft)
1813 {
1814 struct window_pane *wp = ft->wp;
1815
1816 if (wp != NULL) {
1817 if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(wp->status))
1818 return (format_printf("%d", WEXITSTATUS(wp->status)));
1819 return (NULL);
1820 }
1821 return (NULL);
1822 }
1823
1824 /* Callback for pane_dead_time. */
1825 static void *
1826 format_cb_pane_dead_time(struct format_tree *ft)
1827 {
1828 struct window_pane *wp = ft->wp;
1829
1830 if (wp != NULL) {
1831 if (wp->flags & PANE_STATUSDRAWN)
1832 return (&wp->dead_time);
1833 return (NULL);
1834 }
1835 return (NULL);
1836 }
1837
1838 /* Callback for pane_format. */
1839 static void *
1840 format_cb_pane_format(struct format_tree *ft)
1841 {
1842 if (ft->type == FORMAT_TYPE_PANE)
1843 return (xstrdup("1"));
1844 return (xstrdup("0"));
1845 }
1846
1847 /* Callback for pane_height. */
1848 static void *
1849 format_cb_pane_height(struct format_tree *ft)
1850 {
1851 if (ft->wp != NULL)
1852 return (format_printf("%u", ft->wp->sy));
1853 return (NULL);
1854 }
1855
1856 /* Callback for pane_id. */
1857 static void *
1858 format_cb_pane_id(struct format_tree *ft)
1859 {
1860 if (ft->wp != NULL)
1861 return (format_printf("%%%u", ft->wp->id));
1862 return (NULL);
1863 }
1864
1865 /* Callback for pane_index. */
1866 static void *
1867 format_cb_pane_index(struct format_tree *ft)
1868 {
1869 u_int idx;
1870
1871 if (ft->wp != NULL && window_pane_index(ft->wp, &idx) == 0)
1872 return (format_printf("%u", idx));
1873 return (NULL);
1874 }
1875
1876 /* Callback for pane_input_off. */
1877 static void *
1878 format_cb_pane_input_off(struct format_tree *ft)
1879 {
1880 if (ft->wp != NULL) {
1881 if (ft->wp->flags & PANE_INPUTOFF)
1882 return (xstrdup("1"));
1883 return (xstrdup("0"));
1884 }
1885 return (NULL);
1886 }
1887
1888 /* Callback for pane_unseen_changes. */
1889 static void *
1890 format_cb_pane_unseen_changes(struct format_tree *ft)
1891 {
1892 if (ft->wp != NULL) {
1893 if (ft->wp->flags & PANE_UNSEENCHANGES)
1894 return (xstrdup("1"));
1895 return (xstrdup("0"));
1896 }
1897 return (NULL);
1898 }
1899
1900 /* Callback for pane_last. */
1901 static void *
1902 format_cb_pane_last(struct format_tree *ft)
1903 {
1904 if (ft->wp != NULL) {
1905 if (ft->wp == ft->wp->window->last)
1906 return (xstrdup("1"));
1907 return (xstrdup("0"));
1908 }
1909 return (NULL);
1910 }
1911
1912 /* Callback for pane_left. */
1913 static void *
1914 format_cb_pane_left(struct format_tree *ft)
1915 {
1916 if (ft->wp != NULL)
1917 return (format_printf("%u", ft->wp->xoff));
1918 return (NULL);
1919 }
1920
1921 /* Callback for pane_marked. */
1922 static void *
1923 format_cb_pane_marked(struct format_tree *ft)
1924 {
1925 if (ft->wp != NULL) {
1926 if (server_check_marked() && marked_pane.wp == ft->wp)
1927 return (xstrdup("1"));
1928 return (xstrdup("0"));
1929 }
1930 return (NULL);
1931 }
1932
1933 /* Callback for pane_marked_set. */
1934 static void *
1935 format_cb_pane_marked_set(struct format_tree *ft)
1936 {
1937 if (ft->wp != NULL) {
1938 if (server_check_marked())
1939 return (xstrdup("1"));
1940 return (xstrdup("0"));
1941 }
1942 return (NULL);
1943 }
1944
1945 /* Callback for pane_mode. */
1946 static void *
1947 format_cb_pane_mode(struct format_tree *ft)
1948 {
1949 struct window_mode_entry *wme;
1950
1951 if (ft->wp != NULL) {
1952 wme = TAILQ_FIRST(&ft->wp->modes);
1953 if (wme != NULL)
1954 return (xstrdup(wme->mode->name));
1955 return (NULL);
1956 }
1957 return (NULL);
1958 }
1959
1960 /* Callback for pane_path. */
1961 static void *
1962 format_cb_pane_path(struct format_tree *ft)
1963 {
1964 if (ft->wp != NULL) {
1965 if (ft->wp->base.path == NULL)
1966 return (xstrdup(""));
1967 return (xstrdup(ft->wp->base.path));
1968 }
1969 return (NULL);
1970 }
1971
1972 /* Callback for pane_pid. */
1973 static void *
1974 format_cb_pane_pid(struct format_tree *ft)
1975 {
1976 if (ft->wp != NULL)
1977 return (format_printf("%ld", (long)ft->wp->pid));
1978 return (NULL);
1979 }
1980
1981 /* Callback for pane_pipe. */
1982 static void *
1983 format_cb_pane_pipe(struct format_tree *ft)
1984 {
1985 if (ft->wp != NULL) {
1986 if (ft->wp->pipe_fd != -1)
1987 return (xstrdup("1"));
1988 return (xstrdup("0"));
1989 }
1990 return (NULL);
1991 }
1992
1993 /* Callback for pane_right. */
1994 static void *
1995 format_cb_pane_right(struct format_tree *ft)
1996 {
1997 if (ft->wp != NULL)
1998 return (format_printf("%u", ft->wp->xoff + ft->wp->sx - 1));
1999 return (NULL);
2000 }
2001
2002 /* Callback for pane_search_string. */
2003 static void *
2004 format_cb_pane_search_string(struct format_tree *ft)
2005 {
2006 if (ft->wp != NULL) {
2007 if (ft->wp->searchstr == NULL)
2008 return (xstrdup(""));
2009 return (xstrdup(ft->wp->searchstr));
2010 }
2011 return (NULL);
2012 }
2013
2014 /* Callback for pane_synchronized. */
2015 static void *
2016 format_cb_pane_synchronized(struct format_tree *ft)
2017 {
2018 if (ft->wp != NULL) {
2019 if (options_get_number(ft->wp->options, "synchronize-panes"))
2020 return (xstrdup("1"));
2021 return (xstrdup("0"));
2022 }
2023 return (NULL);
2024 }
2025
2026 /* Callback for pane_title. */
2027 static void *
2028 format_cb_pane_title(struct format_tree *ft)
2029 {
2030 if (ft->wp != NULL)
2031 return (xstrdup(ft->wp->base.title));
2032 return (NULL);
2033 }
2034
2035 /* Callback for pane_top. */
2036 static void *
2037 format_cb_pane_top(struct format_tree *ft)
2038 {
2039 if (ft->wp != NULL)
2040 return (format_printf("%u", ft->wp->yoff));
2041 return (NULL);
2042 }
2043
2044 /* Callback for pane_tty. */
2045 static void *
2046 format_cb_pane_tty(struct format_tree *ft)
2047 {
2048 if (ft->wp != NULL)
2049 return (xstrdup(ft->wp->tty));
2050 return (NULL);
2051 }
2052
2053 /* Callback for pane_width. */
2054 static void *
2055 format_cb_pane_width(struct format_tree *ft)
2056 {
2057 if (ft->wp != NULL)
2058 return (format_printf("%u", ft->wp->sx));
2059 return (NULL);
2060 }
2061
2062 /* Callback for scroll_region_lower. */
2063 static void *
2064 format_cb_scroll_region_lower(struct format_tree *ft)
2065 {
2066 if (ft->wp != NULL)
2067 return (format_printf("%u", ft->wp->base.rlower));
2068 return (NULL);
2069 }
2070
2071 /* Callback for scroll_region_upper. */
2072 static void *
2073 format_cb_scroll_region_upper(struct format_tree *ft)
2074 {
2075 if (ft->wp != NULL)
2076 return (format_printf("%u", ft->wp->base.rupper));
2077 return (NULL);
2078 }
2079
2080 /* Callback for session_attached. */
2081 static void *
2082 format_cb_session_attached(struct format_tree *ft)
2083 {
2084 if (ft->s != NULL)
2085 return (format_printf("%u", ft->s->attached));
2086 return (NULL);
2087 }
2088
2089 /* Callback for session_format. */
2090 static void *
2091 format_cb_session_format(struct format_tree *ft)
2092 {
2093 if (ft->type == FORMAT_TYPE_SESSION)
2094 return (xstrdup("1"));
2095 return (xstrdup("0"));
2096 }
2097
2098 /* Callback for session_group. */
2099 static void *
2100 format_cb_session_group(struct format_tree *ft)
2101 {
2102 struct session_group *sg;
2103
2104 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2105 return (xstrdup(sg->name));
2106 return (NULL);
2107 }
2108
2109 /* Callback for session_group_attached. */
2110 static void *
2111 format_cb_session_group_attached(struct format_tree *ft)
2112 {
2113 struct session_group *sg;
2114
2115 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2116 return (format_printf("%u", session_group_attached_count (sg)));
2117 return (NULL);
2118 }
2119
2120 /* Callback for session_group_many_attached. */
2121 static void *
2122 format_cb_session_group_many_attached(struct format_tree *ft)
2123 {
2124 struct session_group *sg;
2125
2126 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL) {
2127 if (session_group_attached_count (sg) > 1)
2128 return (xstrdup("1"));
2129 return (xstrdup("0"));
2130 }
2131 return (NULL);
2132 }
2133
2134 /* Callback for session_group_size. */
2135 static void *
2136 format_cb_session_group_size(struct format_tree *ft)
2137 {
2138 struct session_group *sg;
2139
2140 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2141 return (format_printf("%u", session_group_count (sg)));
2142 return (NULL);
2143 }
2144
2145 /* Callback for session_grouped. */
2146 static void *
2147 format_cb_session_grouped(struct format_tree *ft)
2148 {
2149 if (ft->s != NULL) {
2150 if (session_group_contains(ft->s) != NULL)
2151 return (xstrdup("1"));
2152 return (xstrdup("0"));
2153 }
2154 return (NULL);
2155 }
2156
2157 /* Callback for session_id. */
2158 static void *
2159 format_cb_session_id(struct format_tree *ft)
2160 {
2161 if (ft->s != NULL)
2162 return (format_printf("$%u", ft->s->id));
2163 return (NULL);
2164 }
2165
2166 /* Callback for session_many_attached. */
2167 static void *
2168 format_cb_session_many_attached(struct format_tree *ft)
2169 {
2170 if (ft->s != NULL) {
2171 if (ft->s->attached > 1)
2172 return (xstrdup("1"));
2173 return (xstrdup("0"));
2174 }
2175 return (NULL);
2176 }
2177
2178 /* Callback for session_marked. */
2179 static void *
2180 format_cb_session_marked(struct format_tree *ft)
2181 {
2182 if (ft->s != NULL) {
2183 if (server_check_marked() && marked_pane.s == ft->s)
2184 return (xstrdup("1"));
2185 return (xstrdup("0"));
2186 }
2187 return (NULL);
2188 }
2189
2190 /* Callback for session_name. */
2191 static void *
2192 format_cb_session_name(struct format_tree *ft)
2193 {
2194 if (ft->s != NULL)
2195 return (xstrdup(ft->s->name));
2196 return (NULL);
2197 }
2198
2199 /* Callback for session_path. */
2200 static void *
2201 format_cb_session_path(struct format_tree *ft)
2202 {
2203 if (ft->s != NULL)
2204 return (xstrdup(ft->s->cwd));
2205 return (NULL);
2206 }
2207
2208 /* Callback for session_windows. */
2209 static void *
2210 format_cb_session_windows(struct format_tree *ft)
2211 {
2212 if (ft->s != NULL)
2213 return (format_printf("%u", winlink_count(&ft->s->windows)));
2214 return (NULL);
2215 }
2216
2217 /* Callback for socket_path. */
2218 static void *
2219 format_cb_socket_path(__unused struct format_tree *ft)
2220 {
2221 return (xstrdup(socket_path));
2222 }
2223
2224 /* Callback for version. */
2225 static void *
2226 format_cb_version(__unused struct format_tree *ft)
2227 {
2228 return (xstrdup(getversion()));
2229 }
2230
2231 /* Callback for active_window_index. */
2232 static void *
2233 format_cb_active_window_index(struct format_tree *ft)
2234 {
2235 if (ft->s != NULL)
2236 return (format_printf("%u", ft->s->curw->idx));
2237 return (NULL);
2238 }
2239
2240 /* Callback for last_window_index. */
2241 static void *
2242 format_cb_last_window_index(struct format_tree *ft)
2243 {
2244 struct winlink *wl;
2245
2246 if (ft->s != NULL) {
2247 wl = RB_MAX(winlinks, &ft->s->windows);
2248 return (format_printf("%u", wl->idx));
2249 }
2250 return (NULL);
2251 }
2252
2253 /* Callback for window_active. */
2254 static void *
2255 format_cb_window_active(struct format_tree *ft)
2256 {
2257 if (ft->wl != NULL) {
2258 if (ft->wl == ft->wl->session->curw)
2259 return (xstrdup("1"));
2260 return (xstrdup("0"));
2261 }
2262 return (NULL);
2263 }
2264
2265 /* Callback for window_activity_flag. */
2266 static void *
2267 format_cb_window_activity_flag(struct format_tree *ft)
2268 {
2269 if (ft->wl != NULL) {
2270 if (ft->wl->flags & WINLINK_ACTIVITY)
2271 return (xstrdup("1"));
2272 return (xstrdup("0"));
2273 }
2274 return (NULL);
2275 }
2276
2277 /* Callback for window_bell_flag. */
2278 static void *
2279 format_cb_window_bell_flag(struct format_tree *ft)
2280 {
2281 if (ft->wl != NULL) {
2282 if (ft->wl->flags & WINLINK_BELL)
2283 return (xstrdup("1"));
2284 return (xstrdup("0"));
2285 }
2286 return (NULL);
2287 }
2288
2289 /* Callback for window_bigger. */
2290 static void *
2291 format_cb_window_bigger(struct format_tree *ft)
2292 {
2293 u_int ox, oy, sx, sy;
2294
2295 if (ft->c != NULL) {
2296 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2297 return (xstrdup("1"));
2298 return (xstrdup("0"));
2299 }
2300 return (NULL);
2301 }
2302
2303 /* Callback for window_cell_height. */
2304 static void *
2305 format_cb_window_cell_height(struct format_tree *ft)
2306 {
2307 if (ft->w != NULL)
2308 return (format_printf("%u", ft->w->ypixel));
2309 return (NULL);
2310 }
2311
2312 /* Callback for window_cell_width. */
2313 static void *
2314 format_cb_window_cell_width(struct format_tree *ft)
2315 {
2316 if (ft->w != NULL)
2317 return (format_printf("%u", ft->w->xpixel));
2318 return (NULL);
2319 }
2320
2321 /* Callback for window_end_flag. */
2322 static void *
2323 format_cb_window_end_flag(struct format_tree *ft)
2324 {
2325 if (ft->wl != NULL) {
2326 if (ft->wl == RB_MAX(winlinks, &ft->wl->session->windows))
2327 return (xstrdup("1"));
2328 return (xstrdup("0"));
2329 }
2330 return (NULL);
2331 }
2332
2333 /* Callback for window_flags. */
2334 static void *
2335 format_cb_window_flags(struct format_tree *ft)
2336 {
2337 if (ft->wl != NULL)
2338 return (xstrdup(window_printable_flags(ft->wl, 1)));
2339 return (NULL);
2340 }
2341
2342 /* Callback for window_format. */
2343 static void *
2344 format_cb_window_format(struct format_tree *ft)
2345 {
2346 if (ft->type == FORMAT_TYPE_WINDOW)
2347 return (xstrdup("1"));
2348 return (xstrdup("0"));
2349 }
2350
2351 /* Callback for window_height. */
2352 static void *
2353 format_cb_window_height(struct format_tree *ft)
2354 {
2355 if (ft->w != NULL)
2356 return (format_printf("%u", ft->w->sy));
2357 return (NULL);
2358 }
2359
2360 /* Callback for window_id. */
2361 static void *
2362 format_cb_window_id(struct format_tree *ft)
2363 {
2364 if (ft->w != NULL)
2365 return (format_printf("@%u", ft->w->id));
2366 return (NULL);
2367 }
2368
2369 /* Callback for window_index. */
2370 static void *
2371 format_cb_window_index(struct format_tree *ft)
2372 {
2373 if (ft->wl != NULL)
2374 return (format_printf("%d", ft->wl->idx));
2375 return (NULL);
2376 }
2377
2378 /* Callback for window_last_flag. */
2379 static void *
2380 format_cb_window_last_flag(struct format_tree *ft)
2381 {
2382 if (ft->wl != NULL) {
2383 if (ft->wl == TAILQ_FIRST(&ft->wl->session->lastw))
2384 return (xstrdup("1"));
2385 return (xstrdup("0"));
2386 }
2387 return (NULL);
2388 }
2389
2390 /* Callback for window_linked. */
2391 static void *
2392 format_cb_window_linked(struct format_tree *ft)
2393 {
2394 if (ft->wl != NULL) {
2395 if (session_is_linked(ft->wl->session, ft->wl->window))
2396 return (xstrdup("1"));
2397 return (xstrdup("0"));
2398 }
2399 return (NULL);
2400 }
2401
2402 /* Callback for window_linked_sessions. */
2403 static void *
2404 format_cb_window_linked_sessions(struct format_tree *ft)
2405 {
2406 if (ft->wl != NULL)
2407 return (format_printf("%u", ft->wl->window->references));
2408 return (NULL);
2409 }
2410
2411 /* Callback for window_marked_flag. */
2412 static void *
2413 format_cb_window_marked_flag(struct format_tree *ft)
2414 {
2415 if (ft->wl != NULL) {
2416 if (server_check_marked() && marked_pane.wl == ft->wl)
2417 return (xstrdup("1"));
2418 return (xstrdup("0"));
2419 }
2420 return (NULL);
2421 }
2422
2423 /* Callback for window_name. */
2424 static void *
2425 format_cb_window_name(struct format_tree *ft)
2426 {
2427 if (ft->w != NULL)
2428 return (format_printf("%s", ft->w->name));
2429 return (NULL);
2430 }
2431
2432 /* Callback for window_offset_x. */
2433 static void *
2434 format_cb_window_offset_x(struct format_tree *ft)
2435 {
2436 u_int ox, oy, sx, sy;
2437
2438 if (ft->c != NULL) {
2439 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2440 return (format_printf("%u", ox));
2441 return (NULL);
2442 }
2443 return (NULL);
2444 }
2445
2446 /* Callback for window_offset_y. */
2447 static void *
2448 format_cb_window_offset_y(struct format_tree *ft)
2449 {
2450 u_int ox, oy, sx, sy;
2451
2452 if (ft->c != NULL) {
2453 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2454 return (format_printf("%u", oy));
2455 return (NULL);
2456 }
2457 return (NULL);
2458 }
2459
2460 /* Callback for window_panes. */
2461 static void *
2462 format_cb_window_panes(struct format_tree *ft)
2463 {
2464 if (ft->w != NULL)
2465 return (format_printf("%u", window_count_panes(ft->w)));
2466 return (NULL);
2467 }
2468
2469 /* Callback for window_raw_flags. */
2470 static void *
2471 format_cb_window_raw_flags(struct format_tree *ft)
2472 {
2473 if (ft->wl != NULL)
2474 return (xstrdup(window_printable_flags(ft->wl, 0)));
2475 return (NULL);
2476 }
2477
2478 /* Callback for window_silence_flag. */
2479 static void *
2480 format_cb_window_silence_flag(struct format_tree *ft)
2481 {
2482 if (ft->wl != NULL) {
2483 if (ft->wl->flags & WINLINK_SILENCE)
2484 return (xstrdup("1"));
2485 return (xstrdup("0"));
2486 }
2487 return (NULL);
2488 }
2489
2490 /* Callback for window_start_flag. */
2491 static void *
2492 format_cb_window_start_flag(struct format_tree *ft)
2493 {
2494 if (ft->wl != NULL) {
2495 if (ft->wl == RB_MIN(winlinks, &ft->wl->session->windows))
2496 return (xstrdup("1"));
2497 return (xstrdup("0"));
2498 }
2499 return (NULL);
2500 }
2501
2502 /* Callback for window_width. */
2503 static void *
2504 format_cb_window_width(struct format_tree *ft)
2505 {
2506 if (ft->w != NULL)
2507 return (format_printf("%u", ft->w->sx));
2508 return (NULL);
2509 }
2510
2511 /* Callback for window_zoomed_flag. */
2512 static void *
2513 format_cb_window_zoomed_flag(struct format_tree *ft)
2514 {
2515 if (ft->w != NULL) {
2516 if (ft->w->flags & WINDOW_ZOOMED)
2517 return (xstrdup("1"));
2518 return (xstrdup("0"));
2519 }
2520 return (NULL);
2521 }
2522
2523 /* Callback for wrap_flag. */
2524 static void *
2525 format_cb_wrap_flag(struct format_tree *ft)
2526 {
2527 if (ft->wp != NULL) {
2528 if (ft->wp->base.mode & MODE_WRAP)
2529 return (xstrdup("1"));
2530 return (xstrdup("0"));
2531 }
2532 return (NULL);
2533 }
2534
2535 /* Callback for buffer_created. */
2536 static void *
2537 format_cb_buffer_created(struct format_tree *ft)
2538 {
2539 static struct timeval tv;
2540
2541 if (ft->pb != NULL) {
2542 timerclear(&tv);
2543 tv.tv_sec = paste_buffer_created(ft->pb);
2544 return (&tv);
2545 }
2546 return (NULL);
2547 }
2548
2549 /* Callback for client_activity. */
2550 static void *
2551 format_cb_client_activity(struct format_tree *ft)
2552 {
2553 if (ft->c != NULL)
2554 return (&ft->c->activity_time);
2555 return (NULL);
2556 }
2557
2558 /* Callback for client_created. */
2559 static void *
2560 format_cb_client_created(struct format_tree *ft)
2561 {
2562 if (ft->c != NULL)
2563 return (&ft->c->creation_time);
2564 return (NULL);
2565 }
2566
2567 /* Callback for session_activity. */
2568 static void *
2569 format_cb_session_activity(struct format_tree *ft)
2570 {
2571 if (ft->s != NULL)
2572 return (&ft->s->activity_time);
2573 return (NULL);
2574 }
2575
2576 /* Callback for session_created. */
2577 static void *
2578 format_cb_session_created(struct format_tree *ft)
2579 {
2580 if (ft->s != NULL)
2581 return (&ft->s->creation_time);
2582 return (NULL);
2583 }
2584
2585 /* Callback for session_last_attached. */
2586 static void *
2587 format_cb_session_last_attached(struct format_tree *ft)
2588 {
2589 if (ft->s != NULL)
2590 return (&ft->s->last_attached_time);
2591 return (NULL);
2592 }
2593
2594 /* Callback for start_time. */
2595 static void *
2596 format_cb_start_time(__unused struct format_tree *ft)
2597 {
2598 return (&start_time);
2599 }
2600
2601 /* Callback for window_activity. */
2602 static void *
2603 format_cb_window_activity(struct format_tree *ft)
2604 {
2605 if (ft->w != NULL)
2606 return (&ft->w->activity_time);
2607 return (NULL);
2608 }
2609
2610 /* Callback for buffer_mode_format, */
2611 static void *
2612 format_cb_buffer_mode_format(__unused struct format_tree *ft)
2613 {
2614 return (xstrdup(window_buffer_mode.default_format));
2615 }
2616
2617 /* Callback for client_mode_format, */
2618 static void *
2619 format_cb_client_mode_format(__unused struct format_tree *ft)
2620 {
2621 return (xstrdup(window_client_mode.default_format));
2622 }
2623
2624 /* Callback for tree_mode_format, */
2625 static void *
2626 format_cb_tree_mode_format(__unused struct format_tree *ft)
2627 {
2628 return (xstrdup(window_tree_mode.default_format));
2629 }
2630
2631 /* Callback for uid. */
2632 static void *
2633 format_cb_uid(__unused struct format_tree *ft)
2634 {
2635 return (format_printf("%ld", (long)getuid()));
2636 }
2637
2638 /* Callback for user. */
2639 static void *
2640 format_cb_user(__unused struct format_tree *ft)
2641 {
2642 struct passwd *pw;
2643
2644 if ((pw = getpwuid(getuid())) != NULL)
2645 return (xstrdup(pw->pw_name));
2646 return (NULL);
2647 }
2648
2649 /* Format table type. */
2650 enum format_table_type {
2651 FORMAT_TABLE_STRING,
2652 FORMAT_TABLE_TIME
2653 };
2654
2655 /* Format table entry. */
2656 struct format_table_entry {
2657 const char *key;
2658 enum format_table_type type;
2659 format_cb cb;
2660 };
2661
2662 /*
2663 * Format table. Default format variables (that are almost always in the tree
2664 * and where the value is expanded by a callback in this file) are listed here.
2665 * Only variables which are added by the caller go into the tree.
2666 */
2667 static const struct format_table_entry format_table[] = {
2668 { "active_window_index", FORMAT_TABLE_STRING,
2669 format_cb_active_window_index
2670 },
2671 { "alternate_on", FORMAT_TABLE_STRING,
2672 format_cb_alternate_on
2673 },
2674 { "alternate_saved_x", FORMAT_TABLE_STRING,
2675 format_cb_alternate_saved_x
2676 },
2677 { "alternate_saved_y", FORMAT_TABLE_STRING,
2678 format_cb_alternate_saved_y
2679 },
2680 { "buffer_created", FORMAT_TABLE_TIME,
2681 format_cb_buffer_created
2682 },
2683 { "buffer_mode_format", FORMAT_TABLE_STRING,
2684 format_cb_buffer_mode_format
2685 },
2686 { "buffer_name", FORMAT_TABLE_STRING,
2687 format_cb_buffer_name
2688 },
2689 { "buffer_sample", FORMAT_TABLE_STRING,
2690 format_cb_buffer_sample
2691 },
2692 { "buffer_size", FORMAT_TABLE_STRING,
2693 format_cb_buffer_size
2694 },
2695 { "client_activity", FORMAT_TABLE_TIME,
2696 format_cb_client_activity
2697 },
2698 { "client_cell_height", FORMAT_TABLE_STRING,
2699 format_cb_client_cell_height
2700 },
2701 { "client_cell_width", FORMAT_TABLE_STRING,
2702 format_cb_client_cell_width
2703 },
2704 { "client_control_mode", FORMAT_TABLE_STRING,
2705 format_cb_client_control_mode
2706 },
2707 { "client_created", FORMAT_TABLE_TIME,
2708 format_cb_client_created
2709 },
2710 { "client_discarded", FORMAT_TABLE_STRING,
2711 format_cb_client_discarded
2712 },
2713 { "client_flags", FORMAT_TABLE_STRING,
2714 format_cb_client_flags
2715 },
2716 { "client_height", FORMAT_TABLE_STRING,
2717 format_cb_client_height
2718 },
2719 { "client_key_table", FORMAT_TABLE_STRING,
2720 format_cb_client_key_table
2721 },
2722 { "client_last_session", FORMAT_TABLE_STRING,
2723 format_cb_client_last_session
2724 },
2725 { "client_mode_format", FORMAT_TABLE_STRING,
2726 format_cb_client_mode_format
2727 },
2728 { "client_name", FORMAT_TABLE_STRING,
2729 format_cb_client_name
2730 },
2731 { "client_pid", FORMAT_TABLE_STRING,
2732 format_cb_client_pid
2733 },
2734 { "client_prefix", FORMAT_TABLE_STRING,
2735 format_cb_client_prefix
2736 },
2737 { "client_readonly", FORMAT_TABLE_STRING,
2738 format_cb_client_readonly
2739 },
2740 { "client_session", FORMAT_TABLE_STRING,
2741 format_cb_client_session
2742 },
2743 { "client_termfeatures", FORMAT_TABLE_STRING,
2744 format_cb_client_termfeatures
2745 },
2746 { "client_termname", FORMAT_TABLE_STRING,
2747 format_cb_client_termname
2748 },
2749 { "client_termtype", FORMAT_TABLE_STRING,
2750 format_cb_client_termtype
2751 },
2752 { "client_tty", FORMAT_TABLE_STRING,
2753 format_cb_client_tty
2754 },
2755 { "client_uid", FORMAT_TABLE_STRING,
2756 format_cb_client_uid
2757 },
2758 { "client_user", FORMAT_TABLE_STRING,
2759 format_cb_client_user
2760 },
2761 { "client_utf8", FORMAT_TABLE_STRING,
2762 format_cb_client_utf8
2763 },
2764 { "client_width", FORMAT_TABLE_STRING,
2765 format_cb_client_width
2766 },
2767 { "client_written", FORMAT_TABLE_STRING,
2768 format_cb_client_written
2769 },
2770 { "config_files", FORMAT_TABLE_STRING,
2771 format_cb_config_files
2772 },
2773 { "cursor_character", FORMAT_TABLE_STRING,
2774 format_cb_cursor_character
2775 },
2776 { "cursor_flag", FORMAT_TABLE_STRING,
2777 format_cb_cursor_flag
2778 },
2779 { "cursor_x", FORMAT_TABLE_STRING,
2780 format_cb_cursor_x
2781 },
2782 { "cursor_y", FORMAT_TABLE_STRING,
2783 format_cb_cursor_y
2784 },
2785 { "history_all_bytes", FORMAT_TABLE_STRING,
2786 format_cb_history_all_bytes
2787 },
2788 { "history_bytes", FORMAT_TABLE_STRING,
2789 format_cb_history_bytes
2790 },
2791 { "history_limit", FORMAT_TABLE_STRING,
2792 format_cb_history_limit
2793 },
2794 { "history_size", FORMAT_TABLE_STRING,
2795 format_cb_history_size
2796 },
2797 { "host", FORMAT_TABLE_STRING,
2798 format_cb_host
2799 },
2800 { "host_short", FORMAT_TABLE_STRING,
2801 format_cb_host_short
2802 },
2803 { "insert_flag", FORMAT_TABLE_STRING,
2804 format_cb_insert_flag
2805 },
2806 { "keypad_cursor_flag", FORMAT_TABLE_STRING,
2807 format_cb_keypad_cursor_flag
2808 },
2809 { "keypad_flag", FORMAT_TABLE_STRING,
2810 format_cb_keypad_flag
2811 },
2812 { "last_window_index", FORMAT_TABLE_STRING,
2813 format_cb_last_window_index
2814 },
2815 { "mouse_all_flag", FORMAT_TABLE_STRING,
2816 format_cb_mouse_all_flag
2817 },
2818 { "mouse_any_flag", FORMAT_TABLE_STRING,
2819 format_cb_mouse_any_flag
2820 },
2821 { "mouse_button_flag", FORMAT_TABLE_STRING,
2822 format_cb_mouse_button_flag
2823 },
2824 { "mouse_hyperlink", FORMAT_TABLE_STRING,
2825 format_cb_mouse_hyperlink
2826 },
2827 { "mouse_line", FORMAT_TABLE_STRING,
2828 format_cb_mouse_line
2829 },
2830 { "mouse_pane", FORMAT_TABLE_STRING,
2831 format_cb_mouse_pane
2832 },
2833 { "mouse_sgr_flag", FORMAT_TABLE_STRING,
2834 format_cb_mouse_sgr_flag
2835 },
2836 { "mouse_standard_flag", FORMAT_TABLE_STRING,
2837 format_cb_mouse_standard_flag
2838 },
2839 { "mouse_utf8_flag", FORMAT_TABLE_STRING,
2840 format_cb_mouse_utf8_flag
2841 },
2842 { "mouse_word", FORMAT_TABLE_STRING,
2843 format_cb_mouse_word
2844 },
2845 { "mouse_x", FORMAT_TABLE_STRING,
2846 format_cb_mouse_x
2847 },
2848 { "mouse_y", FORMAT_TABLE_STRING,
2849 format_cb_mouse_y
2850 },
2851 { "next_session_id", FORMAT_TABLE_STRING,
2852 format_cb_next_session_id
2853 },
2854 { "origin_flag", FORMAT_TABLE_STRING,
2855 format_cb_origin_flag
2856 },
2857 { "pane_active", FORMAT_TABLE_STRING,
2858 format_cb_pane_active
2859 },
2860 { "pane_at_bottom", FORMAT_TABLE_STRING,
2861 format_cb_pane_at_bottom
2862 },
2863 { "pane_at_left", FORMAT_TABLE_STRING,
2864 format_cb_pane_at_left
2865 },
2866 { "pane_at_right", FORMAT_TABLE_STRING,
2867 format_cb_pane_at_right
2868 },
2869 { "pane_at_top", FORMAT_TABLE_STRING,
2870 format_cb_pane_at_top
2871 },
2872 { "pane_bg", FORMAT_TABLE_STRING,
2873 format_cb_pane_bg
2874 },
2875 { "pane_bottom", FORMAT_TABLE_STRING,
2876 format_cb_pane_bottom
2877 },
2878 { "pane_current_command", FORMAT_TABLE_STRING,
2879 format_cb_current_command
2880 },
2881 { "pane_current_path", FORMAT_TABLE_STRING,
2882 format_cb_current_path
2883 },
2884 { "pane_dead", FORMAT_TABLE_STRING,
2885 format_cb_pane_dead
2886 },
2887 { "pane_dead_signal", FORMAT_TABLE_STRING,
2888 format_cb_pane_dead_signal
2889 },
2890 { "pane_dead_status", FORMAT_TABLE_STRING,
2891 format_cb_pane_dead_status
2892 },
2893 { "pane_dead_time", FORMAT_TABLE_TIME,
2894 format_cb_pane_dead_time
2895 },
2896 { "pane_fg", FORMAT_TABLE_STRING,
2897 format_cb_pane_fg
2898 },
2899 { "pane_format", FORMAT_TABLE_STRING,
2900 format_cb_pane_format
2901 },
2902 { "pane_height", FORMAT_TABLE_STRING,
2903 format_cb_pane_height
2904 },
2905 { "pane_id", FORMAT_TABLE_STRING,
2906 format_cb_pane_id
2907 },
2908 { "pane_in_mode", FORMAT_TABLE_STRING,
2909 format_cb_pane_in_mode
2910 },
2911 { "pane_index", FORMAT_TABLE_STRING,
2912 format_cb_pane_index
2913 },
2914 { "pane_input_off", FORMAT_TABLE_STRING,
2915 format_cb_pane_input_off
2916 },
2917 { "pane_last", FORMAT_TABLE_STRING,
2918 format_cb_pane_last
2919 },
2920 { "pane_left", FORMAT_TABLE_STRING,
2921 format_cb_pane_left
2922 },
2923 { "pane_marked", FORMAT_TABLE_STRING,
2924 format_cb_pane_marked
2925 },
2926 { "pane_marked_set", FORMAT_TABLE_STRING,
2927 format_cb_pane_marked_set
2928 },
2929 { "pane_mode", FORMAT_TABLE_STRING,
2930 format_cb_pane_mode
2931 },
2932 { "pane_path", FORMAT_TABLE_STRING,
2933 format_cb_pane_path
2934 },
2935 { "pane_pid", FORMAT_TABLE_STRING,
2936 format_cb_pane_pid
2937 },
2938 { "pane_pipe", FORMAT_TABLE_STRING,
2939 format_cb_pane_pipe
2940 },
2941 { "pane_right", FORMAT_TABLE_STRING,
2942 format_cb_pane_right
2943 },
2944 { "pane_search_string", FORMAT_TABLE_STRING,
2945 format_cb_pane_search_string
2946 },
2947 { "pane_start_command", FORMAT_TABLE_STRING,
2948 format_cb_start_command
2949 },
2950 { "pane_start_path", FORMAT_TABLE_STRING,
2951 format_cb_start_path
2952 },
2953 { "pane_synchronized", FORMAT_TABLE_STRING,
2954 format_cb_pane_synchronized
2955 },
2956 { "pane_tabs", FORMAT_TABLE_STRING,
2957 format_cb_pane_tabs
2958 },
2959 { "pane_title", FORMAT_TABLE_STRING,
2960 format_cb_pane_title
2961 },
2962 { "pane_top", FORMAT_TABLE_STRING,
2963 format_cb_pane_top
2964 },
2965 { "pane_tty", FORMAT_TABLE_STRING,
2966 format_cb_pane_tty
2967 },
2968 { "pane_unseen_changes", FORMAT_TABLE_STRING,
2969 format_cb_pane_unseen_changes
2970 },
2971 { "pane_width", FORMAT_TABLE_STRING,
2972 format_cb_pane_width
2973 },
2974 { "pid", FORMAT_TABLE_STRING,
2975 format_cb_pid
2976 },
2977 { "scroll_region_lower", FORMAT_TABLE_STRING,
2978 format_cb_scroll_region_lower
2979 },
2980 { "scroll_region_upper", FORMAT_TABLE_STRING,
2981 format_cb_scroll_region_upper
2982 },
2983 { "session_activity", FORMAT_TABLE_TIME,
2984 format_cb_session_activity
2985 },
2986 { "session_alerts", FORMAT_TABLE_STRING,
2987 format_cb_session_alerts
2988 },
2989 { "session_attached", FORMAT_TABLE_STRING,
2990 format_cb_session_attached
2991 },
2992 { "session_attached_list", FORMAT_TABLE_STRING,
2993 format_cb_session_attached_list
2994 },
2995 { "session_created", FORMAT_TABLE_TIME,
2996 format_cb_session_created
2997 },
2998 { "session_format", FORMAT_TABLE_STRING,
2999 format_cb_session_format
3000 },
3001 { "session_group", FORMAT_TABLE_STRING,
3002 format_cb_session_group
3003 },
3004 { "session_group_attached", FORMAT_TABLE_STRING,
3005 format_cb_session_group_attached
3006 },
3007 { "session_group_attached_list", FORMAT_TABLE_STRING,
3008 format_cb_session_group_attached_list
3009 },
3010 { "session_group_list", FORMAT_TABLE_STRING,
3011 format_cb_session_group_list
3012 },
3013 { "session_group_many_attached", FORMAT_TABLE_STRING,
3014 format_cb_session_group_many_attached
3015 },
3016 { "session_group_size", FORMAT_TABLE_STRING,
3017 format_cb_session_group_size
3018 },
3019 { "session_grouped", FORMAT_TABLE_STRING,
3020 format_cb_session_grouped
3021 },
3022 { "session_id", FORMAT_TABLE_STRING,
3023 format_cb_session_id
3024 },
3025 { "session_last_attached", FORMAT_TABLE_TIME,
3026 format_cb_session_last_attached
3027 },
3028 { "session_many_attached", FORMAT_TABLE_STRING,
3029 format_cb_session_many_attached
3030 },
3031 { "session_marked", FORMAT_TABLE_STRING,
3032 format_cb_session_marked,
3033 },
3034 { "session_name", FORMAT_TABLE_STRING,
3035 format_cb_session_name
3036 },
3037 { "session_path", FORMAT_TABLE_STRING,
3038 format_cb_session_path
3039 },
3040 { "session_stack", FORMAT_TABLE_STRING,
3041 format_cb_session_stack
3042 },
3043 { "session_windows", FORMAT_TABLE_STRING,
3044 format_cb_session_windows
3045 },
3046 { "socket_path", FORMAT_TABLE_STRING,
3047 format_cb_socket_path
3048 },
3049 { "start_time", FORMAT_TABLE_TIME,
3050 format_cb_start_time
3051 },
3052 { "tree_mode_format", FORMAT_TABLE_STRING,
3053 format_cb_tree_mode_format
3054 },
3055 { "uid", FORMAT_TABLE_STRING,
3056 format_cb_uid
3057 },
3058 { "user", FORMAT_TABLE_STRING,
3059 format_cb_user
3060 },
3061 { "version", FORMAT_TABLE_STRING,
3062 format_cb_version
3063 },
3064 { "window_active", FORMAT_TABLE_STRING,
3065 format_cb_window_active
3066 },
3067 { "window_active_clients", FORMAT_TABLE_STRING,
3068 format_cb_window_active_clients
3069 },
3070 { "window_active_clients_list", FORMAT_TABLE_STRING,
3071 format_cb_window_active_clients_list
3072 },
3073 { "window_active_sessions", FORMAT_TABLE_STRING,
3074 format_cb_window_active_sessions
3075 },
3076 { "window_active_sessions_list", FORMAT_TABLE_STRING,
3077 format_cb_window_active_sessions_list
3078 },
3079 { "window_activity", FORMAT_TABLE_TIME,
3080 format_cb_window_activity
3081 },
3082 { "window_activity_flag", FORMAT_TABLE_STRING,
3083 format_cb_window_activity_flag
3084 },
3085 { "window_bell_flag", FORMAT_TABLE_STRING,
3086 format_cb_window_bell_flag
3087 },
3088 { "window_bigger", FORMAT_TABLE_STRING,
3089 format_cb_window_bigger
3090 },
3091 { "window_cell_height", FORMAT_TABLE_STRING,
3092 format_cb_window_cell_height
3093 },
3094 { "window_cell_width", FORMAT_TABLE_STRING,
3095 format_cb_window_cell_width
3096 },
3097 { "window_end_flag", FORMAT_TABLE_STRING,
3098 format_cb_window_end_flag
3099 },
3100 { "window_flags", FORMAT_TABLE_STRING,
3101 format_cb_window_flags
3102 },
3103 { "window_format", FORMAT_TABLE_STRING,
3104 format_cb_window_format
3105 },
3106 { "window_height", FORMAT_TABLE_STRING,
3107 format_cb_window_height
3108 },
3109 { "window_id", FORMAT_TABLE_STRING,
3110 format_cb_window_id
3111 },
3112 { "window_index", FORMAT_TABLE_STRING,
3113 format_cb_window_index
3114 },
3115 { "window_last_flag", FORMAT_TABLE_STRING,
3116 format_cb_window_last_flag
3117 },
3118 { "window_layout", FORMAT_TABLE_STRING,
3119 format_cb_window_layout
3120 },
3121 { "window_linked", FORMAT_TABLE_STRING,
3122 format_cb_window_linked
3123 },
3124 { "window_linked_sessions", FORMAT_TABLE_STRING,
3125 format_cb_window_linked_sessions
3126 },
3127 { "window_linked_sessions_list", FORMAT_TABLE_STRING,
3128 format_cb_window_linked_sessions_list
3129 },
3130 { "window_marked_flag", FORMAT_TABLE_STRING,
3131 format_cb_window_marked_flag
3132 },
3133 { "window_name", FORMAT_TABLE_STRING,
3134 format_cb_window_name
3135 },
3136 { "window_offset_x", FORMAT_TABLE_STRING,
3137 format_cb_window_offset_x
3138 },
3139 { "window_offset_y", FORMAT_TABLE_STRING,
3140 format_cb_window_offset_y
3141 },
3142 { "window_panes", FORMAT_TABLE_STRING,
3143 format_cb_window_panes
3144 },
3145 { "window_raw_flags", FORMAT_TABLE_STRING,
3146 format_cb_window_raw_flags
3147 },
3148 { "window_silence_flag", FORMAT_TABLE_STRING,
3149 format_cb_window_silence_flag
3150 },
3151 { "window_stack_index", FORMAT_TABLE_STRING,
3152 format_cb_window_stack_index
3153 },
3154 { "window_start_flag", FORMAT_TABLE_STRING,
3155 format_cb_window_start_flag
3156 },
3157 { "window_visible_layout", FORMAT_TABLE_STRING,
3158 format_cb_window_visible_layout
3159 },
3160 { "window_width", FORMAT_TABLE_STRING,
3161 format_cb_window_width
3162 },
3163 { "window_zoomed_flag", FORMAT_TABLE_STRING,
3164 format_cb_window_zoomed_flag
3165 },
3166 { "wrap_flag", FORMAT_TABLE_STRING,
3167 format_cb_wrap_flag
3168 }
3169 };
3170
3171 /* Compare format table entries. */
3172 static int
3173 format_table_compare(const void *key0, const void *entry0)
3174 {
3175 const char *key = key0;
3176 const struct format_table_entry *entry = entry0;
3177
3178 return (strcmp(key, entry->key));
3179 }
3180
3181 /* Get a format callback. */
3182 static struct format_table_entry *
3183 format_table_get(const char *key)
3184 {
3185 return (bsearch(key, format_table, nitems(format_table),
3186 sizeof *format_table, format_table_compare));
3187 }
3188
3189 /* Merge one format tree into another. */
3190 void
3191 format_merge(struct format_tree *ft, struct format_tree *from)
3192 {
3193 struct format_entry *fe;
3194
3195 RB_FOREACH(fe, format_entry_tree, &from->tree) {
3196 if (fe->value != NULL)
3197 format_add(ft, fe->key, "%s", fe->value);
3198 }
3199 }
3200
3201 /* Get format pane. */
3202 struct window_pane *
3203 format_get_pane(struct format_tree *ft)
3204 {
3205 return (ft->wp);
3206 }
3207
3208 /* Add item bits to tree. */
3209 static void
3210 format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
3211 {
3212 struct key_event *event = cmdq_get_event(item);
3213 struct mouse_event *m = &event->m;
3214
3215 cmdq_merge_formats(item, ft);
3216 memcpy(&ft->m, m, sizeof ft->m);
3217 }
3218
3219 /* Create a new tree. */
3220 struct format_tree *
3221 format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
3222 {
3223 struct format_tree *ft;
3224
3225 ft = xcalloc(1, sizeof *ft);
3226 RB_INIT(&ft->tree);
3227
3228 if (c != NULL) {
3229 ft->client = c;
3230 ft->client->references++;
3231 }
3232 ft->item = item;
3233
3234 ft->tag = tag;
3235 ft->flags = flags;
3236
3237 if (item != NULL)
3238 format_create_add_item(ft, item);
3239
3240 return (ft);
3241 }
3242
3243 /* Free a tree. */
3244 void
3245 format_free(struct format_tree *ft)
3246 {
3247 struct format_entry *fe, *fe1;
3248
3249 RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
3250 RB_REMOVE(format_entry_tree, &ft->tree, fe);
3251 free(fe->value);
3252 free(fe->key);
3253 free(fe);
3254 }
3255
3256 if (ft->client != NULL)
3257 server_client_unref(ft->client);
3258 free(ft);
3259 }
3260
3261 /* Log each format. */
3262 static void
3263 format_log_debug_cb(const char *key, const char *value, void *arg)
3264 {
3265 const char *prefix = arg;
3266
3267 log_debug("%s: %s=%s", prefix, key, value);
3268 }
3269
3270 /* Log a format tree. */
3271 void
3272 format_log_debug(struct format_tree *ft, const char *prefix)
3273 {
3274 format_each(ft, format_log_debug_cb, (void *)prefix);
3275 }
3276
3277 /* Walk each format. */
3278 void
3279 format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
3280 void *), void *arg)
3281 {
3282 const struct format_table_entry *fte;
3283 struct format_entry *fe;
3284 u_int i;
3285 char s[64];
3286 void *value;
3287 struct timeval *tv;
3288
3289 for (i = 0; i < nitems(format_table); i++) {
3290 fte = &format_table[i];
3291
3292 value = fte->cb(ft);
3293 if (value == NULL)
3294 continue;
3295 if (fte->type == FORMAT_TABLE_TIME) {
3296 tv = value;
3297 xsnprintf(s, sizeof s, "%lld", (long long)tv->tv_sec);
3298 cb(fte->key, s, arg);
3299 } else {
3300 cb(fte->key, value, arg);
3301 free(value);
3302 }
3303 }
3304 RB_FOREACH(fe, format_entry_tree, &ft->tree) {
3305 if (fe->time != 0) {
3306 xsnprintf(s, sizeof s, "%lld", (long long)fe->time);
3307 cb(fe->key, s, arg);
3308 } else {
3309 if (fe->value == NULL && fe->cb != NULL) {
3310 fe->value = fe->cb(ft);
3311 if (fe->value == NULL)
3312 fe->value = xstrdup("");
3313 }
3314 cb(fe->key, fe->value, arg);
3315 }
3316 }
3317 }
3318
3319 /* Add a key-value pair. */
3320 void
3321 format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
3322 {
3323 struct format_entry *fe;
3324 struct format_entry *fe_now;
3325 va_list ap;
3326
3327 fe = xmalloc(sizeof *fe);
3328 fe->key = xstrdup(key);
3329
3330 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3331 if (fe_now != NULL) {
3332 free(fe->key);
3333 free(fe);
3334 free(fe_now->value);
3335 fe = fe_now;
3336 }
3337
3338 fe->cb = NULL;
3339 fe->time = 0;
3340
3341 va_start(ap, fmt);
3342 xvasprintf(&fe->value, fmt, ap);
3343 va_end(ap);
3344 }
3345
3346 /* Add a key and time. */
3347 void
3348 format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
3349 {
3350 struct format_entry *fe, *fe_now;
3351
3352 fe = xmalloc(sizeof *fe);
3353 fe->key = xstrdup(key);
3354
3355 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3356 if (fe_now != NULL) {
3357 free(fe->key);
3358 free(fe);
3359 free(fe_now->value);
3360 fe = fe_now;
3361 }
3362
3363 fe->cb = NULL;
3364 fe->time = tv->tv_sec;
3365
3366 fe->value = NULL;
3367 }
3368
3369 /* Add a key and function. */
3370 void
3371 format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
3372 {
3373 struct format_entry *fe;
3374 struct format_entry *fe_now;
3375
3376 fe = xmalloc(sizeof *fe);
3377 fe->key = xstrdup(key);
3378
3379 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3380 if (fe_now != NULL) {
3381 free(fe->key);
3382 free(fe);
3383 free(fe_now->value);
3384 fe = fe_now;
3385 }
3386
3387 fe->cb = cb;
3388 fe->time = 0;
3389
3390 fe->value = NULL;
3391 }
3392
3393 /* Quote shell special characters in string. */
3394 static char *
3395 format_quote_shell(const char *s)
3396 {
3397 const char *cp;
3398 char *out, *at;
3399
3400 at = out = xmalloc(strlen(s) * 2 + 1);
3401 for (cp = s; *cp != '\0'; cp++) {
3402 if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
3403 *at++ = '\\';
3404 *at++ = *cp;
3405 }
3406 *at = '\0';
3407 return (out);
3408 }
3409
3410 /* Quote #s in string. */
3411 static char *
3412 format_quote_style(const char *s)
3413 {
3414 const char *cp;
3415 char *out, *at;
3416
3417 at = out = xmalloc(strlen(s) * 2 + 1);
3418 for (cp = s; *cp != '\0'; cp++) {
3419 if (*cp == '#')
3420 *at++ = '#';
3421 *at++ = *cp;
3422 }
3423 *at = '\0';
3424 return (out);
3425 }
3426
3427 /* Make a prettier time. */
3428 char *
3429 format_pretty_time(time_t t, int seconds)
3430 {
3431 struct tm now_tm, tm;
3432 time_t now, age;
3433 char s[9];
3434
3435 time(&now);
3436 if (now < t)
3437 now = t;
3438 age = now - t;
3439
3440 localtime_r(&now, &now_tm);
3441 localtime_r(&t, &tm);
3442
3443 /* Last 24 hours. */
3444 if (age < 24 * 3600) {
3445 if (seconds)
3446 strftime(s, sizeof s, "%H:%M:%S", &tm);
3447 else
3448 strftime(s, sizeof s, "%H:%M", &tm);
3449 return (xstrdup(s));
3450 }
3451
3452 /* This month or last 28 days. */
3453 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon == now_tm.tm_mon) ||
3454 age < 28 * 24 * 3600) {
3455 strftime(s, sizeof s, "%a%d", &tm);
3456 return (xstrdup(s));
3457 }
3458
3459 /* Last 12 months. */
3460 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon < now_tm.tm_mon) ||
3461 (tm.tm_year == now_tm.tm_year - 1 && tm.tm_mon > now_tm.tm_mon)) {
3462 strftime(s, sizeof s, "%d%b", &tm);
3463 return (xstrdup(s));
3464 }
3465
3466 /* Older than that. */
3467 strftime(s, sizeof s, "%h%y", &tm);
3468 return (xstrdup(s));
3469 }
3470
3471 /* Find a format entry. */
3472 static char *
3473 format_find(struct format_tree *ft, const char *key, int modifiers,
3474 const char *time_format)
3475 {
3476 struct format_table_entry *fte;
3477 void *value;
3478 struct format_entry *fe, fe_find;
3479 struct environ_entry *envent;
3480 struct options_entry *o;
3481 int idx;
3482 char *found = NULL, *saved, s[512];
3483 const char *errstr;
3484 time_t t = 0;
3485 struct tm tm;
3486
3487 o = options_parse_get(global_options, key, &idx, 0);
3488 if (o == NULL && ft->wp != NULL)
3489 o = options_parse_get(ft->wp->options, key, &idx, 0);
3490 if (o == NULL && ft->w != NULL)
3491 o = options_parse_get(ft->w->options, key, &idx, 0);
3492 if (o == NULL)
3493 o = options_parse_get(global_w_options, key, &idx, 0);
3494 if (o == NULL && ft->s != NULL)
3495 o = options_parse_get(ft->s->options, key, &idx, 0);
3496 if (o == NULL)
3497 o = options_parse_get(global_s_options, key, &idx, 0);
3498 if (o != NULL) {
3499 found = options_to_string(o, idx, 1);
3500 goto found;
3501 }
3502
3503 fte = format_table_get(key);
3504 if (fte != NULL) {
3505 value = fte->cb(ft);
3506 if (fte->type == FORMAT_TABLE_TIME && value != NULL)
3507 t = ((struct timeval *)value)->tv_sec;
3508 else
3509 found = value;
3510 goto found;
3511 }
3512 fe_find.key = (char *)key;
3513 fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
3514 if (fe != NULL) {
3515 if (fe->time != 0) {
3516 t = fe->time;
3517 goto found;
3518 }
3519 if (fe->value == NULL && fe->cb != NULL) {
3520 fe->value = fe->cb(ft);
3521 if (fe->value == NULL)
3522 fe->value = xstrdup("");
3523 }
3524 found = xstrdup(fe->value);
3525 goto found;
3526 }
3527
3528 if (~modifiers & FORMAT_TIMESTRING) {
3529 envent = NULL;
3530 if (ft->s != NULL)
3531 envent = environ_find(ft->s->environ, key);
3532 if (envent == NULL)
3533 envent = environ_find(global_environ, key);
3534 if (envent != NULL && envent->value != NULL) {
3535 found = xstrdup(envent->value);
3536 goto found;
3537 }
3538 }
3539
3540 return (NULL);
3541
3542 found:
3543 if (modifiers & FORMAT_TIMESTRING) {
3544 if (t == 0 && found != NULL) {
3545 t = strtonum(found, 0, INT64_MAX, &errstr);
3546 if (errstr != NULL)
3547 t = 0;
3548 free(found);
3549 }
3550 if (t == 0)
3551 return (NULL);
3552 if (modifiers & FORMAT_PRETTY)
3553 found = format_pretty_time(t, 0);
3554 else {
3555 if (time_format != NULL) {
3556 localtime_r(&t, &tm);
3557 strftime(s, sizeof s, time_format, &tm);
3558 } else {
3559 ctime_r(&t, s);
3560 s[strcspn(s, "\n")] = '\0';
3561 }
3562 found = xstrdup(s);
3563 }
3564 return (found);
3565 }
3566
3567 if (t != 0)
3568 xasprintf(&found, "%lld", (long long)t);
3569 else if (found == NULL)
3570 return (NULL);
3571 if (modifiers & FORMAT_BASENAME) {
3572 saved = found;
3573 found = xstrdup(basename(saved));
3574 free(saved);
3575 }
3576 if (modifiers & FORMAT_DIRNAME) {
3577 saved = found;
3578 found = xstrdup(dirname(saved));
3579 free(saved);
3580 }
3581 if (modifiers & FORMAT_QUOTE_SHELL) {
3582 saved = found;
3583 found = format_quote_shell(saved);
3584 free(saved);
3585 }
3586 if (modifiers & FORMAT_QUOTE_STYLE) {
3587 saved = found;
3588 found = format_quote_style(saved);
3589 free(saved);
3590 }
3591 return (found);
3592 }
3593
3594 /* Unescape escaped characters. */
3595 static char *
3596 format_unescape(const char *s)
3597 {
3598 char *out, *cp;
3599 int brackets = 0;
3600
3601 cp = out = xmalloc(strlen(s) + 1);
3602 for (; *s != '\0'; s++) {
3603 if (*s == '#' && s[1] == '{')
3604 brackets++;
3605 if (brackets == 0 &&
3606 *s == '#' &&
3607 strchr(",#{}:", s[1]) != NULL) {
3608 *cp++ = *++s;
3609 continue;
3610 }
3611 if (*s == '}')
3612 brackets--;
3613 *cp++ = *s;
3614 }
3615 *cp = '\0';
3616 return (out);
3617 }
3618
3619 /* Remove escaped characters. */
3620 static char *
3621 format_strip(const char *s)
3622 {
3623 char *out, *cp;
3624 int brackets = 0;
3625
3626 cp = out = xmalloc(strlen(s) + 1);
3627 for (; *s != '\0'; s++) {
3628 if (*s == '#' && s[1] == '{')
3629 brackets++;
3630 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3631 if (brackets != 0)
3632 *cp++ = *s;
3633 continue;
3634 }
3635 if (*s == '}')
3636 brackets--;
3637 *cp++ = *s;
3638 }
3639 *cp = '\0';
3640 return (out);
3641 }
3642
3643 /* Skip until end. */
3644 const char *
3645 format_skip(const char *s, const char *end)
3646 {
3647 int brackets = 0;
3648
3649 for (; *s != '\0'; s++) {
3650 if (*s == '#' && s[1] == '{')
3651 brackets++;
3652 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3653 s++;
3654 continue;
3655 }
3656 if (*s == '}')
3657 brackets--;
3658 if (strchr(end, *s) != NULL && brackets == 0)
3659 break;
3660 }
3661 if (*s == '\0')
3662 return (NULL);
3663 return (s);
3664 }
3665
3666 /* Return left and right alternatives separated by commas. */
3667 static int
3668 format_choose(struct format_expand_state *es, const char *s, char **left,
3669 char **right, int expand)
3670 {
3671 const char *cp;
3672 char *left0, *right0;
3673
3674 cp = format_skip(s, ",");
3675 if (cp == NULL)
3676 return (-1);
3677 left0 = xstrndup(s, cp - s);
3678 right0 = xstrdup(cp + 1);
3679
3680 if (expand) {
3681 *left = format_expand1(es, left0);
3682 free(left0);
3683 *right = format_expand1(es, right0);
3684 free(right0);
3685 } else {
3686 *left = left0;
3687 *right = right0;
3688 }
3689 return (0);
3690 }
3691
3692 /* Is this true? */
3693 int
3694 format_true(const char *s)
3695 {
3696 if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
3697 return (1);
3698 return (0);
3699 }
3700
3701 /* Check if modifier end. */
3702 static int
3703 format_is_end(char c)
3704 {
3705 return (c == ';' || c == ':');
3706 }
3707
3708 /* Add to modifier list. */
3709 static void
3710 format_add_modifier(struct format_modifier **list, u_int *count,
3711 const char *c, size_t n, char **argv, int argc)
3712 {
3713 struct format_modifier *fm;
3714
3715 *list = xreallocarray(*list, (*count) + 1, sizeof **list);
3716 fm = &(*list)[(*count)++];
3717
3718 memcpy(fm->modifier, c, n);
3719 fm->modifier[n] = '\0';
3720 fm->size = n;
3721
3722 fm->argv = argv;
3723 fm->argc = argc;
3724 }
3725
3726 /* Free modifier list. */
3727 static void
3728 format_free_modifiers(struct format_modifier *list, u_int count)
3729 {
3730 u_int i;
3731
3732 for (i = 0; i < count; i++)
3733 cmd_free_argv(list[i].argc, list[i].argv);
3734 free(list);
3735 }
3736
3737 /* Build modifier list. */
3738 static struct format_modifier *
3739 format_build_modifiers(struct format_expand_state *es, const char **s,
3740 u_int *count)
3741 {
3742 const char *cp = *s, *end;
3743 struct format_modifier *list = NULL;
3744 char c, last[] = "X;:", **argv, *value;
3745 int argc;
3746
3747 /*
3748 * Modifiers are a ; separated list of the forms:
3749 * l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,<,>
3750 * =a
3751 * =/a
3752 * =/a/
3753 * s/a/b/
3754 * s/a/b
3755 * ||,&&,!=,==,<=,>=
3756 */
3757
3758 *count = 0;
3759
3760 while (*cp != '\0' && *cp != ':') {
3761 /* Skip any separator character. */
3762 if (*cp == ';')
3763 cp++;
3764
3765 /* Check single character modifiers with no arguments. */
3766 if (strchr("labcdnwETSWPL<>", cp[0]) != NULL &&
3767 format_is_end(cp[1])) {
3768 format_add_modifier(&list, count, cp, 1, NULL, 0);
3769 cp++;
3770 continue;
3771 }
3772
3773 /* Then try double character with no arguments. */
3774 if ((memcmp("||", cp, 2) == 0 ||
3775 memcmp("&&", cp, 2) == 0 ||
3776 memcmp("!=", cp, 2) == 0 ||
3777 memcmp("==", cp, 2) == 0 ||
3778 memcmp("<=", cp, 2) == 0 ||
3779 memcmp(">=", cp, 2) == 0) &&
3780 format_is_end(cp[2])) {
3781 format_add_modifier(&list, count, cp, 2, NULL, 0);
3782 cp += 2;
3783 continue;
3784 }
3785
3786 /* Now try single character with arguments. */
3787 if (strchr("mCNst=peq", cp[0]) == NULL)
3788 break;
3789 c = cp[0];
3790
3791 /* No arguments provided. */
3792 if (format_is_end(cp[1])) {
3793 format_add_modifier(&list, count, cp, 1, NULL, 0);
3794 cp++;
3795 continue;
3796 }
3797 argv = NULL;
3798 argc = 0;
3799
3800 /* Single argument with no wrapper character. */
3801 if (!ispunct(cp[1]) || cp[1] == '-') {
3802 end = format_skip(cp + 1, ":;");
3803 if (end == NULL)
3804 break;
3805
3806 argv = xcalloc(1, sizeof *argv);
3807 value = xstrndup(cp + 1, end - (cp + 1));
3808 argv[0] = format_expand1(es, value);
3809 free(value);
3810 argc = 1;
3811
3812 format_add_modifier(&list, count, &c, 1, argv, argc);
3813 cp = end;
3814 continue;
3815 }
3816
3817 /* Multiple arguments with a wrapper character. */
3818 last[0] = cp[1];
3819 cp++;
3820 do {
3821 if (cp[0] == last[0] && format_is_end(cp[1])) {
3822 cp++;
3823 break;
3824 }
3825 end = format_skip(cp + 1, last);
3826 if (end == NULL)
3827 break;
3828 cp++;
3829
3830 argv = xreallocarray(argv, argc + 1, sizeof *argv);
3831 value = xstrndup(cp, end - cp);
3832 argv[argc++] = format_expand1(es, value);
3833 free(value);
3834
3835 cp = end;
3836 } while (!format_is_end(cp[0]));
3837 format_add_modifier(&list, count, &c, 1, argv, argc);
3838 }
3839 if (*cp != ':') {
3840 format_free_modifiers(list, *count);
3841 *count = 0;
3842 return (NULL);
3843 }
3844 *s = cp + 1;
3845 return (list);
3846 }
3847
3848 /* Match against an fnmatch(3) pattern or regular expression. */
3849 static char *
3850 format_match(struct format_modifier *fm, const char *pattern, const char *text)
3851 {
3852 const char *s = "";
3853 regex_t r;
3854 int flags = 0;
3855
3856 if (fm->argc >= 1)
3857 s = fm->argv[0];
3858 if (strchr(s, 'r') == NULL) {
3859 if (strchr(s, 'i') != NULL)
3860 flags |= FNM_CASEFOLD;
3861 if (fnmatch(pattern, text, flags) != 0)
3862 return (xstrdup("0"));
3863 } else {
3864 flags = REG_EXTENDED|REG_NOSUB;
3865 if (strchr(s, 'i') != NULL)
3866 flags |= REG_ICASE;
3867 if (regcomp(&r, pattern, flags) != 0)
3868 return (xstrdup("0"));
3869 if (regexec(&r, text, 0, NULL, 0) != 0) {
3870 regfree(&r);
3871 return (xstrdup("0"));
3872 }
3873 regfree(&r);
3874 }
3875 return (xstrdup("1"));
3876 }
3877
3878 /* Perform substitution in string. */
3879 static char *
3880 format_sub(struct format_modifier *fm, const char *text, const char *pattern,
3881 const char *with)
3882 {
3883 char *value;
3884 int flags = REG_EXTENDED;
3885
3886 if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
3887 flags |= REG_ICASE;
3888 value = regsub(pattern, with, text, flags);
3889 if (value == NULL)
3890 return (xstrdup(text));
3891 return (value);
3892 }
3893
3894 /* Search inside pane. */
3895 static char *
3896 format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
3897 {
3898 int ignore = 0, regex = 0;
3899 char *value;
3900
3901 if (fm->argc >= 1) {
3902 if (strchr(fm->argv[0], 'i') != NULL)
3903 ignore = 1;
3904 if (strchr(fm->argv[0], 'r') != NULL)
3905 regex = 1;
3906 }
3907 xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
3908 return (value);
3909 }
3910
3911 /* Does session name exist? */
3912 static char *
3913 format_session_name(struct format_expand_state *es, const char *fmt)
3914 {
3915 char *name;
3916 struct session *s;
3917
3918 name = format_expand1(es, fmt);
3919 RB_FOREACH(s, sessions, &sessions) {
3920 if (strcmp(s->name, name) == 0) {
3921 free(name);
3922 return (xstrdup("1"));
3923 }
3924 }
3925 free(name);
3926 return (xstrdup("0"));
3927 }
3928
3929 /* Loop over sessions. */
3930 static char *
3931 format_loop_sessions(struct format_expand_state *es, const char *fmt)
3932 {
3933 struct format_tree *ft = es->ft;
3934 struct client *c = ft->client;
3935 struct cmdq_item *item = ft->item;
3936 struct format_tree *nft;
3937 struct format_expand_state next;
3938 char *expanded, *value;
3939 size_t valuelen;
3940 struct session *s;
3941
3942 value = xcalloc(1, 1);
3943 valuelen = 1;
3944
3945 RB_FOREACH(s, sessions, &sessions) {
3946 format_log(es, "session loop: $%u", s->id);
3947 nft = format_create(c, item, FORMAT_NONE, ft->flags);
3948 format_defaults(nft, ft->c, s, NULL, NULL);
3949 format_copy_state(&next, es, 0);
3950 next.ft = nft;
3951 expanded = format_expand1(&next, fmt);
3952 format_free(next.ft);
3953
3954 valuelen += strlen(expanded);
3955 value = xrealloc(value, valuelen);
3956
3957 strlcat(value, expanded, valuelen);
3958 free(expanded);
3959 }
3960
3961 return (value);
3962 }
3963
3964 /* Does window name exist? */
3965 static char *
3966 format_window_name(struct format_expand_state *es, const char *fmt)
3967 {
3968 struct format_tree *ft = es->ft;
3969 char *name;
3970 struct winlink *wl;
3971
3972 if (ft->s == NULL) {
3973 format_log(es, "window name but no session");
3974 return (NULL);
3975 }
3976
3977 name = format_expand1(es, fmt);
3978 RB_FOREACH(wl, winlinks, &ft->s->windows) {
3979 if (strcmp(wl->window->name, name) == 0) {
3980 free(name);
3981 return (xstrdup("1"));
3982 }
3983 }
3984 free(name);
3985 return (xstrdup("0"));
3986 }
3987
3988 /* Loop over windows. */
3989 static char *
3990 format_loop_windows(struct format_expand_state *es, const char *fmt)
3991 {
3992 struct format_tree *ft = es->ft;
3993 struct client *c = ft->client;
3994 struct cmdq_item *item = ft->item;
3995 struct format_tree *nft;
3996 struct format_expand_state next;
3997 char *all, *active, *use, *expanded, *value;
3998 size_t valuelen;
3999 struct winlink *wl;
4000 struct window *w;
4001
4002 if (ft->s == NULL) {
4003 format_log(es, "window loop but no session");
4004 return (NULL);
4005 }
4006
4007 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4008 all = xstrdup(fmt);
4009 active = NULL;
4010 }
4011
4012 value = xcalloc(1, 1);
4013 valuelen = 1;
4014
4015 RB_FOREACH(wl, winlinks, &ft->s->windows) {
4016 w = wl->window;
4017 format_log(es, "window loop: %u @%u", wl->idx, w->id);
4018 if (active != NULL && wl == ft->s->curw)
4019 use = active;
4020 else
4021 use = all;
4022 nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
4023 format_defaults(nft, ft->c, ft->s, wl, NULL);
4024 format_copy_state(&next, es, 0);
4025 next.ft = nft;
4026 expanded = format_expand1(&next, use);
4027 format_free(nft);
4028
4029 valuelen += strlen(expanded);
4030 value = xrealloc(value, valuelen);
4031
4032 strlcat(value, expanded, valuelen);
4033 free(expanded);
4034 }
4035
4036 free(active);
4037 free(all);
4038
4039 return (value);
4040 }
4041
4042 /* Loop over panes. */
4043 static char *
4044 format_loop_panes(struct format_expand_state *es, const char *fmt)
4045 {
4046 struct format_tree *ft = es->ft;
4047 struct client *c = ft->client;
4048 struct cmdq_item *item = ft->item;
4049 struct format_tree *nft;
4050 struct format_expand_state next;
4051 char *all, *active, *use, *expanded, *value;
4052 size_t valuelen;
4053 struct window_pane *wp;
4054
4055 if (ft->w == NULL) {
4056 format_log(es, "pane loop but no window");
4057 return (NULL);
4058 }
4059
4060 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4061 all = xstrdup(fmt);
4062 active = NULL;
4063 }
4064
4065 value = xcalloc(1, 1);
4066 valuelen = 1;
4067
4068 TAILQ_FOREACH(wp, &ft->w->panes, entry) {
4069 format_log(es, "pane loop: %%%u", wp->id);
4070 if (active != NULL && wp == ft->w->active)
4071 use = active;
4072 else
4073 use = all;
4074 nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
4075 format_defaults(nft, ft->c, ft->s, ft->wl, wp);
4076 format_copy_state(&next, es, 0);
4077 next.ft = nft;
4078 expanded = format_expand1(&next, use);
4079 format_free(nft);
4080
4081 valuelen += strlen(expanded);
4082 value = xrealloc(value, valuelen);
4083
4084 strlcat(value, expanded, valuelen);
4085 free(expanded);
4086 }
4087
4088 free(active);
4089 free(all);
4090
4091 return (value);
4092 }
4093
4094 /* Loop over clients. */
4095 static char *
4096 format_loop_clients(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 *expanded, *value;
4104 size_t valuelen;
4105
4106 value = xcalloc(1, 1);
4107 valuelen = 1;
4108
4109 TAILQ_FOREACH(c, &clients, entry) {
4110 format_log(es, "client loop: %s", c->name);
4111 nft = format_create(c, item, 0, ft->flags);
4112 format_defaults(nft, c, ft->s, ft->wl, ft->wp);
4113 format_copy_state(&next, es, 0);
4114 next.ft = nft;
4115 expanded = format_expand1(&next, fmt);
4116 format_free(nft);
4117
4118 valuelen += strlen(expanded);
4119 value = xrealloc(value, valuelen);
4120
4121 strlcat(value, expanded, valuelen);
4122 free(expanded);
4123 }
4124
4125 return (value);
4126 }
4127
4128 static char *
4129 format_replace_expression(struct format_modifier *mexp,
4130 struct format_expand_state *es, const char *copy)
4131 {
4132 int argc = mexp->argc;
4133 const char *errstr;
4134 char *endch, *value, *left = NULL, *right = NULL;
4135 int use_fp = 0;
4136 u_int prec = 0;
4137 double mleft, mright, result;
4138 enum { ADD,
4139 SUBTRACT,
4140 MULTIPLY,
4141 DIVIDE,
4142 MODULUS,
4143 EQUAL,
4144 NOT_EQUAL,
4145 GREATER_THAN,
4146 GREATER_THAN_EQUAL,
4147 LESS_THAN,
4148 LESS_THAN_EQUAL } operator;
4149
4150 if (strcmp(mexp->argv[0], "+") == 0)
4151 operator = ADD;
4152 else if (strcmp(mexp->argv[0], "-") == 0)
4153 operator = SUBTRACT;
4154 else if (strcmp(mexp->argv[0], "*") == 0)
4155 operator = MULTIPLY;
4156 else if (strcmp(mexp->argv[0], "/") == 0)
4157 operator = DIVIDE;
4158 else if (strcmp(mexp->argv[0], "%") == 0 ||
4159 strcmp(mexp->argv[0], "m") == 0)
4160 operator = MODULUS;
4161 else if (strcmp(mexp->argv[0], "==") == 0)
4162 operator = EQUAL;
4163 else if (strcmp(mexp->argv[0], "!=") == 0)
4164 operator = NOT_EQUAL;
4165 else if (strcmp(mexp->argv[0], ">") == 0)
4166 operator = GREATER_THAN;
4167 else if (strcmp(mexp->argv[0], "<") == 0)
4168 operator = LESS_THAN;
4169 else if (strcmp(mexp->argv[0], ">=") == 0)
4170 operator = GREATER_THAN_EQUAL;
4171 else if (strcmp(mexp->argv[0], "<=") == 0)
4172 operator = LESS_THAN_EQUAL;
4173 else {
4174 format_log(es, "expression has no valid operator: '%s'",
4175 mexp->argv[0]);
4176 goto fail;
4177 }
4178
4179 /* The second argument may be flags. */
4180 if (argc >= 2 && strchr(mexp->argv[1], 'f') != NULL) {
4181 use_fp = 1;
4182 prec = 2;
4183 }
4184
4185 /* The third argument may be precision. */
4186 if (argc >= 3) {
4187 prec = strtonum(mexp->argv[2], INT_MIN, INT_MAX, &errstr);
4188 if (errstr != NULL) {
4189 format_log(es, "expression precision %s: %s", errstr,
4190 mexp->argv[2]);
4191 goto fail;
4192 }
4193 }
4194
4195 if (format_choose(es, copy, &left, &right, 1) != 0) {
4196 format_log(es, "expression syntax error");
4197 goto fail;
4198 }
4199
4200 mleft = strtod(left, &endch);
4201 if (*endch != '\0') {
4202 format_log(es, "expression left side is invalid: %s", left);
4203 goto fail;
4204 }
4205
4206 mright = strtod(right, &endch);
4207 if (*endch != '\0') {
4208 format_log(es, "expression right side is invalid: %s", right);
4209 goto fail;
4210 }
4211
4212 if (!use_fp) {
4213 mleft = (long long)mleft;
4214 mright = (long long)mright;
4215 }
4216 format_log(es, "expression left side is: %.*f", prec, mleft);
4217 format_log(es, "expression right side is: %.*f", prec, mright);
4218
4219 switch (operator) {
4220 case ADD:
4221 result = mleft + mright;
4222 break;
4223 case SUBTRACT:
4224 result = mleft - mright;
4225 break;
4226 case MULTIPLY:
4227 result = mleft * mright;
4228 break;
4229 case DIVIDE:
4230 result = mleft / mright;
4231 break;
4232 case MODULUS:
4233 result = fmod(mleft, mright);
4234 break;
4235 case EQUAL:
4236 result = fabs(mleft - mright) < 1e-9;
4237 break;
4238 case NOT_EQUAL:
4239 result = fabs(mleft - mright) > 1e-9;
4240 break;
4241 case GREATER_THAN:
4242 result = (mleft > mright);
4243 break;
4244 case GREATER_THAN_EQUAL:
4245 result = (mleft >= mright);
4246 break;
4247 case LESS_THAN:
4248 result = (mleft < mright);
4249 break;
4250 case LESS_THAN_EQUAL:
4251 result = (mleft <= mright);
4252 break;
4253 }
4254 if (use_fp)
4255 xasprintf(&value, "%.*f", prec, result);
4256 else
4257 xasprintf(&value, "%.*f", prec, (double)(long long)result);
4258 format_log(es, "expression result is %s", value);
4259
4260 free(right);
4261 free(left);
4262 return (value);
4263
4264 fail:
4265 free(right);
4266 free(left);
4267 return (NULL);
4268 }
4269
4270 /* Replace a key. */
4271 static int
4272 format_replace(struct format_expand_state *es, const char *key, size_t keylen,
4273 char **buf, size_t *len, size_t *off)
4274 {
4275 struct format_tree *ft = es->ft;
4276 struct window_pane *wp = ft->wp;
4277 const char *errstr, *copy, *cp, *marker = NULL;
4278 const char *time_format = NULL;
4279 char *copy0, *condition, *found, *new;
4280 char *value, *left, *right;
4281 size_t valuelen;
4282 int modifiers = 0, limit = 0, width = 0;
4283 int j, c;
4284 struct format_modifier *list, *cmp = NULL, *search = NULL;
4285 struct format_modifier **sub = NULL, *mexp = NULL, *fm;
4286 u_int i, count, nsub = 0;
4287 struct format_expand_state next;
4288
4289 /* Make a copy of the key. */
4290 copy = copy0 = xstrndup(key, keylen);
4291
4292 /* Process modifier list. */
4293 list = format_build_modifiers(es, &copy, &count);
4294 for (i = 0; i < count; i++) {
4295 fm = &list[i];
4296 if (format_logging(ft)) {
4297 format_log(es, "modifier %u is %s", i, fm->modifier);
4298 for (j = 0; j < fm->argc; j++) {
4299 format_log(es, "modifier %u argument %d: %s", i,
4300 j, fm->argv[j]);
4301 }
4302 }
4303 if (fm->size == 1) {
4304 switch (fm->modifier[0]) {
4305 case 'm':
4306 case '<':
4307 case '>':
4308 cmp = fm;
4309 break;
4310 case 'C':
4311 search = fm;
4312 break;
4313 case 's':
4314 if (fm->argc < 2)
4315 break;
4316 sub = xreallocarray(sub, nsub + 1, sizeof *sub);
4317 sub[nsub++] = fm;
4318 break;
4319 case '=':
4320 if (fm->argc < 1)
4321 break;
4322 limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4323 &errstr);
4324 if (errstr != NULL)
4325 limit = 0;
4326 if (fm->argc >= 2 && fm->argv[1] != NULL)
4327 marker = fm->argv[1];
4328 break;
4329 case 'p':
4330 if (fm->argc < 1)
4331 break;
4332 width = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4333 &errstr);
4334 if (errstr != NULL)
4335 width = 0;
4336 break;
4337 case 'w':
4338 modifiers |= FORMAT_WIDTH;
4339 break;
4340 case 'e':
4341 if (fm->argc < 1 || fm->argc > 3)
4342 break;
4343 mexp = fm;
4344 break;
4345 case 'l':
4346 modifiers |= FORMAT_LITERAL;
4347 break;
4348 case 'a':
4349 modifiers |= FORMAT_CHARACTER;
4350 break;
4351 case 'b':
4352 modifiers |= FORMAT_BASENAME;
4353 break;
4354 case 'c':
4355 modifiers |= FORMAT_COLOUR;
4356 break;
4357 case 'd':
4358 modifiers |= FORMAT_DIRNAME;
4359 break;
4360 case 'n':
4361 modifiers |= FORMAT_LENGTH;
4362 break;
4363 case 't':
4364 modifiers |= FORMAT_TIMESTRING;
4365 if (fm->argc < 1)
4366 break;
4367 if (strchr(fm->argv[0], 'p') != NULL)
4368 modifiers |= FORMAT_PRETTY;
4369 else if (fm->argc >= 2 &&
4370 strchr(fm->argv[0], 'f') != NULL)
4371 time_format = format_strip(fm->argv[1]);
4372 break;
4373 case 'q':
4374 if (fm->argc < 1)
4375 modifiers |= FORMAT_QUOTE_SHELL;
4376 else if (strchr(fm->argv[0], 'e') != NULL ||
4377 strchr(fm->argv[0], 'h') != NULL)
4378 modifiers |= FORMAT_QUOTE_STYLE;
4379 break;
4380 case 'E':
4381 modifiers |= FORMAT_EXPAND;
4382 break;
4383 case 'T':
4384 modifiers |= FORMAT_EXPANDTIME;
4385 break;
4386 case 'N':
4387 if (fm->argc < 1 ||
4388 strchr(fm->argv[0], 'w') != NULL)
4389 modifiers |= FORMAT_WINDOW_NAME;
4390 else if (strchr(fm->argv[0], 's') != NULL)
4391 modifiers |= FORMAT_SESSION_NAME;
4392 break;
4393 case 'S':
4394 modifiers |= FORMAT_SESSIONS;
4395 break;
4396 case 'W':
4397 modifiers |= FORMAT_WINDOWS;
4398 break;
4399 case 'P':
4400 modifiers |= FORMAT_PANES;
4401 break;
4402 case 'L':
4403 modifiers |= FORMAT_CLIENTS;
4404 break;
4405 }
4406 } else if (fm->size == 2) {
4407 if (strcmp(fm->modifier, "||") == 0 ||
4408 strcmp(fm->modifier, "&&") == 0 ||
4409 strcmp(fm->modifier, "==") == 0 ||
4410 strcmp(fm->modifier, "!=") == 0 ||
4411 strcmp(fm->modifier, ">=") == 0 ||
4412 strcmp(fm->modifier, "<=") == 0)
4413 cmp = fm;
4414 }
4415 }
4416
4417 /* Is this a literal string? */
4418 if (modifiers & FORMAT_LITERAL) {
4419 format_log(es, "literal string is '%s'", copy);
4420 value = format_unescape(copy);
4421 goto done;
4422 }
4423
4424 /* Is this a character? */
4425 if (modifiers & FORMAT_CHARACTER) {
4426 new = format_expand1(es, copy);
4427 c = strtonum(new, 32, 126, &errstr);
4428 if (errstr != NULL)
4429 value = xstrdup("");
4430 else
4431 xasprintf(&value, "%c", c);
4432 free(new);
4433 goto done;
4434 }
4435
4436 /* Is this a colour? */
4437 if (modifiers & FORMAT_COLOUR) {
4438 new = format_expand1(es, copy);
4439 c = colour_fromstring(new);
4440 if (c == -1 || (c = colour_force_rgb(c)) == -1)
4441 value = xstrdup("");
4442 else
4443 xasprintf(&value, "%06x", c & 0xffffff);
4444 free(new);
4445 goto done;
4446 }
4447
4448 /* Is this a loop, comparison or condition? */
4449 if (modifiers & FORMAT_SESSIONS) {
4450 value = format_loop_sessions(es, copy);
4451 if (value == NULL)
4452 goto fail;
4453 } else if (modifiers & FORMAT_WINDOWS) {
4454 value = format_loop_windows(es, copy);
4455 if (value == NULL)
4456 goto fail;
4457 } else if (modifiers & FORMAT_PANES) {
4458 value = format_loop_panes(es, copy);
4459 if (value == NULL)
4460 goto fail;
4461 } else if (modifiers & FORMAT_CLIENTS) {
4462 value = format_loop_clients(es, copy);
4463 if (value == NULL)
4464 goto fail;
4465 } else if (modifiers & FORMAT_WINDOW_NAME) {
4466 value = format_window_name(es, copy);
4467 if (value == NULL)
4468 goto fail;
4469 } else if (modifiers & FORMAT_SESSION_NAME) {
4470 value = format_session_name(es, copy);
4471 if (value == NULL)
4472 goto fail;
4473 } else if (search != NULL) {
4474 /* Search in pane. */
4475 new = format_expand1(es, copy);
4476 if (wp == NULL) {
4477 format_log(es, "search '%s' but no pane", new);
4478 value = xstrdup("0");
4479 } else {
4480 format_log(es, "search '%s' pane %%%u", new, wp->id);
4481 value = format_search(search, wp, new);
4482 }
4483 free(new);
4484 } else if (cmp != NULL) {
4485 /* Comparison of left and right. */
4486 if (format_choose(es, copy, &left, &right, 1) != 0) {
4487 format_log(es, "compare %s syntax error: %s",
4488 cmp->modifier, copy);
4489 goto fail;
4490 }
4491 format_log(es, "compare %s left is: %s", cmp->modifier, left);
4492 format_log(es, "compare %s right is: %s", cmp->modifier, right);
4493
4494 if (strcmp(cmp->modifier, "||") == 0) {
4495 if (format_true(left) || format_true(right))
4496 value = xstrdup("1");
4497 else
4498 value = xstrdup("0");
4499 } else if (strcmp(cmp->modifier, "&&") == 0) {
4500 if (format_true(left) && format_true(right))
4501 value = xstrdup("1");
4502 else
4503 value = xstrdup("0");
4504 } else if (strcmp(cmp->modifier, "==") == 0) {
4505 if (strcmp(left, right) == 0)
4506 value = xstrdup("1");
4507 else
4508 value = xstrdup("0");
4509 } else if (strcmp(cmp->modifier, "!=") == 0) {
4510 if (strcmp(left, right) != 0)
4511 value = xstrdup("1");
4512 else
4513 value = xstrdup("0");
4514 } else if (strcmp(cmp->modifier, "<") == 0) {
4515 if (strcmp(left, right) < 0)
4516 value = xstrdup("1");
4517 else
4518 value = xstrdup("0");
4519 } else if (strcmp(cmp->modifier, ">") == 0) {
4520 if (strcmp(left, right) > 0)
4521 value = xstrdup("1");
4522 else
4523 value = xstrdup("0");
4524 } else if (strcmp(cmp->modifier, "<=") == 0) {
4525 if (strcmp(left, right) <= 0)
4526 value = xstrdup("1");
4527 else
4528 value = xstrdup("0");
4529 } else if (strcmp(cmp->modifier, ">=") == 0) {
4530 if (strcmp(left, right) >= 0)
4531 value = xstrdup("1");
4532 else
4533 value = xstrdup("0");
4534 } else if (strcmp(cmp->modifier, "m") == 0)
4535 value = format_match(cmp, left, right);
4536
4537 free(right);
4538 free(left);
4539 } else if (*copy == '?') {
4540 /* Conditional: check first and choose second or third. */
4541 cp = format_skip(copy + 1, ",");
4542 if (cp == NULL) {
4543 format_log(es, "condition syntax error: %s", copy + 1);
4544 goto fail;
4545 }
4546 condition = xstrndup(copy + 1, cp - (copy + 1));
4547 format_log(es, "condition is: %s", condition);
4548
4549 found = format_find(ft, condition, modifiers, time_format);
4550 if (found == NULL) {
4551 /*
4552 * If the condition not found, try to expand it. If
4553 * the expansion doesn't have any effect, then assume
4554 * false.
4555 */
4556 found = format_expand1(es, condition);
4557 if (strcmp(found, condition) == 0) {
4558 free(found);
4559 found = xstrdup("");
4560 format_log(es,
4561 "condition '%s' not found; assuming false",
4562 condition);
4563 }
4564 } else {
4565 format_log(es, "condition '%s' found: %s", condition,
4566 found);
4567 }
4568
4569 if (format_choose(es, cp + 1, &left, &right, 0) != 0) {
4570 format_log(es, "condition '%s' syntax error: %s",
4571 condition, cp + 1);
4572 free(found);
4573 goto fail;
4574 }
4575 if (format_true(found)) {
4576 format_log(es, "condition '%s' is true", condition);
4577 value = format_expand1(es, left);
4578 } else {
4579 format_log(es, "condition '%s' is false", condition);
4580 value = format_expand1(es, right);
4581 }
4582 free(right);
4583 free(left);
4584
4585 free(condition);
4586 free(found);
4587 } else if (mexp != NULL) {
4588 value = format_replace_expression(mexp, es, copy);
4589 if (value == NULL)
4590 value = xstrdup("");
4591 } else {
4592 if (strstr(copy, "#{") != 0) {
4593 format_log(es, "expanding inner format '%s'", copy);
4594 value = format_expand1(es, copy);
4595 } else {
4596 value = format_find(ft, copy, modifiers, time_format);
4597 if (value == NULL) {
4598 format_log(es, "format '%s' not found", copy);
4599 value = xstrdup("");
4600 } else {
4601 format_log(es, "format '%s' found: %s", copy,
4602 value);
4603 }
4604 }
4605 }
4606
4607 done:
4608 /* Expand again if required. */
4609 if (modifiers & FORMAT_EXPAND) {
4610 new = format_expand1(es, value);
4611 free(value);
4612 value = new;
4613 } else if (modifiers & FORMAT_EXPANDTIME) {
4614 format_copy_state(&next, es, FORMAT_EXPAND_TIME);
4615 new = format_expand1(&next, value);
4616 free(value);
4617 value = new;
4618 }
4619
4620 /* Perform substitution if any. */
4621 for (i = 0; i < nsub; i++) {
4622 left = format_expand1(es, sub[i]->argv[0]);
4623 right = format_expand1(es, sub[i]->argv[1]);
4624 new = format_sub(sub[i], value, left, right);
4625 format_log(es, "substitute '%s' to '%s': %s", left, right, new);
4626 free(value);
4627 value = new;
4628 free(right);
4629 free(left);
4630 }
4631
4632 /* Truncate the value if needed. */
4633 if (limit > 0) {
4634 new = format_trim_left(value, limit);
4635 if (marker != NULL && strcmp(new, value) != 0) {
4636 free(value);
4637 xasprintf(&value, "%s%s", new, marker);
4638 } else {
4639 free(value);
4640 value = new;
4641 }
4642 format_log(es, "applied length limit %d: %s", limit, value);
4643 } else if (limit < 0) {
4644 new = format_trim_right(value, -limit);
4645 if (marker != NULL && strcmp(new, value) != 0) {
4646 free(value);
4647 xasprintf(&value, "%s%s", marker, new);
4648 } else {
4649 free(value);
4650 value = new;
4651 }
4652 format_log(es, "applied length limit %d: %s", limit, value);
4653 }
4654
4655 /* Pad the value if needed. */
4656 if (width > 0) {
4657 new = utf8_padcstr(value, width);
4658 free(value);
4659 value = new;
4660 format_log(es, "applied padding width %d: %s", width, value);
4661 } else if (width < 0) {
4662 new = utf8_rpadcstr(value, -width);
4663 free(value);
4664 value = new;
4665 format_log(es, "applied padding width %d: %s", width, value);
4666 }
4667
4668 /* Replace with the length or width if needed. */
4669 if (modifiers & FORMAT_LENGTH) {
4670 xasprintf(&new, "%zu", strlen(value));
4671 free(value);
4672 value = new;
4673 format_log(es, "replacing with length: %s", new);
4674 }
4675 if (modifiers & FORMAT_WIDTH) {
4676 xasprintf(&new, "%u", format_width(value));
4677 free(value);
4678 value = new;
4679 format_log(es, "replacing with width: %s", new);
4680 }
4681
4682 /* Expand the buffer and copy in the value. */
4683 valuelen = strlen(value);
4684 while (*len - *off < valuelen + 1) {
4685 *buf = xreallocarray(*buf, 2, *len);
4686 *len *= 2;
4687 }
4688 memcpy(*buf + *off, value, valuelen);
4689 *off += valuelen;
4690
4691 format_log(es, "replaced '%s' with '%s'", copy0, value);
4692 free(value);
4693
4694 free(sub);
4695 format_free_modifiers(list, count);
4696 free(copy0);
4697 return (0);
4698
4699 fail:
4700 format_log(es, "failed %s", copy0);
4701
4702 free(sub);
4703 format_free_modifiers(list, count);
4704 free(copy0);
4705 return (-1);
4706 }
4707
4708 /* Expand keys in a template. */
4709 static char *
4710 format_expand1(struct format_expand_state *es, const char *fmt)
4711 {
4712 struct format_tree *ft = es->ft;
4713 char *buf, *out, *name;
4714 const char *ptr, *s, *style_end = NULL;
4715 size_t off, len, n, outlen;
4716 int ch, brackets;
4717 char expanded[8192];
4718
4719 if (fmt == NULL || *fmt == '\0')
4720 return (xstrdup(""));
4721
4722 if (es->loop == FORMAT_LOOP_LIMIT) {
4723 format_log(es, "reached loop limit (%u)", FORMAT_LOOP_LIMIT);
4724 return (xstrdup(""));
4725 }
4726 es->loop++;
4727
4728 format_log(es, "expanding format: %s", fmt);
4729
4730 if ((es->flags & FORMAT_EXPAND_TIME) && strchr(fmt, '%') != NULL) {
4731 if (es->time == 0) {
4732 es->time = time(NULL);
4733 localtime_r(&es->time, &es->tm);
4734 }
4735 if (strftime(expanded, sizeof expanded, fmt, &es->tm) == 0) {
4736 format_log(es, "format is too long");
4737 return (xstrdup(""));
4738 }
4739 if (format_logging(ft) && strcmp(expanded, fmt) != 0)
4740 format_log(es, "after time expanded: %s", expanded);
4741 fmt = expanded;
4742 }
4743
4744 len = 64;
4745 buf = xmalloc(len);
4746 off = 0;
4747
4748 while (*fmt != '\0') {
4749 if (*fmt != '#') {
4750 while (len - off < 2) {
4751 buf = xreallocarray(buf, 2, len);
4752 len *= 2;
4753 }
4754 buf[off++] = *fmt++;
4755 continue;
4756 }
4757 fmt++;
4758
4759 ch = (u_char)*fmt++;
4760 switch (ch) {
4761 case '(':
4762 brackets = 1;
4763 for (ptr = fmt; *ptr != '\0'; ptr++) {
4764 if (*ptr == '(')
4765 brackets++;
4766 if (*ptr == ')' && --brackets == 0)
4767 break;
4768 }
4769 if (*ptr != ')' || brackets != 0)
4770 break;
4771 n = ptr - fmt;
4772
4773 name = xstrndup(fmt, n);
4774 format_log(es, "found #(): %s", name);
4775
4776 if ((ft->flags & FORMAT_NOJOBS) ||
4777 (es->flags & FORMAT_EXPAND_NOJOBS)) {
4778 out = xstrdup("");
4779 format_log(es, "#() is disabled");
4780 } else {
4781 out = format_job_get(es, name);
4782 format_log(es, "#() result: %s", out);
4783 }
4784 free(name);
4785
4786 outlen = strlen(out);
4787 while (len - off < outlen + 1) {
4788 buf = xreallocarray(buf, 2, len);
4789 len *= 2;
4790 }
4791 memcpy(buf + off, out, outlen);
4792 off += outlen;
4793
4794 free(out);
4795
4796 fmt += n + 1;
4797 continue;
4798 case '{':
4799 ptr = format_skip((char *)fmt - 2, "}");
4800 if (ptr == NULL)
4801 break;
4802 n = ptr - fmt;
4803
4804 format_log(es, "found #{}: %.*s", (int)n, fmt);
4805 if (format_replace(es, fmt, n, &buf, &len, &off) != 0)
4806 break;
4807 fmt += n + 1;
4808 continue;
4809 case '[':
4810 case '#':
4811 /*
4812 * If ##[ (with two or more #s), then it is a style and
4813 * can be left for format_draw to handle.
4814 */
4815 ptr = fmt - (ch == '[');
4816 n = 2 - (ch == '[');
4817 while (*ptr == '#') {
4818 ptr++;
4819 n++;
4820 }
4821 if (*ptr == '[') {
4822 style_end = format_skip(fmt - 2, "]");
4823 format_log(es, "found #*%zu[", n);
4824 while (len - off < n + 2) {
4825 buf = xreallocarray(buf, 2, len);
4826 len *= 2;
4827 }
4828 memcpy(buf + off, fmt - 2, n + 1);
4829 off += n + 1;
4830 fmt = ptr + 1;
4831 continue;
4832 }
4833 /* FALLTHROUGH */
4834 case '}':
4835 case ',':
4836 format_log(es, "found #%c", ch);
4837 while (len - off < 2) {
4838 buf = xreallocarray(buf, 2, len);
4839 len *= 2;
4840 }
4841 buf[off++] = ch;
4842 continue;
4843 default:
4844 s = NULL;
4845 if (fmt > style_end) { /* skip inside #[] */
4846 if (ch >= 'A' && ch <= 'Z')
4847 s = format_upper[ch - 'A'];
4848 else if (ch >= 'a' && ch <= 'z')
4849 s = format_lower[ch - 'a'];
4850 }
4851 if (s == NULL) {
4852 while (len - off < 3) {
4853 buf = xreallocarray(buf, 2, len);
4854 len *= 2;
4855 }
4856 buf[off++] = '#';
4857 buf[off++] = ch;
4858 continue;
4859 }
4860 n = strlen(s);
4861 format_log(es, "found #%c: %s", ch, s);
4862 if (format_replace(es, s, n, &buf, &len, &off) != 0)
4863 break;
4864 continue;
4865 }
4866
4867 break;
4868 }
4869 buf[off] = '\0';
4870
4871 format_log(es, "result is: %s", buf);
4872 es->loop--;
4873
4874 return (buf);
4875 }
4876
4877 /* Expand keys in a template, passing through strftime first. */
4878 char *
4879 format_expand_time(struct format_tree *ft, const char *fmt)
4880 {
4881 struct format_expand_state es;
4882
4883 memset(&es, 0, sizeof es);
4884 es.ft = ft;
4885 es.flags = FORMAT_EXPAND_TIME;
4886 return (format_expand1(&es, fmt));
4887 }
4888
4889 /* Expand keys in a template. */
4890 char *
4891 format_expand(struct format_tree *ft, const char *fmt)
4892 {
4893 struct format_expand_state es;
4894
4895 memset(&es, 0, sizeof es);
4896 es.ft = ft;
4897 es.flags = 0;
4898 return (format_expand1(&es, fmt));
4899 }
4900
4901 /* Expand a single string. */
4902 char *
4903 format_single(struct cmdq_item *item, const char *fmt, struct client *c,
4904 struct session *s, struct winlink *wl, struct window_pane *wp)
4905 {
4906 struct format_tree *ft;
4907 char *expanded;
4908
4909 ft = format_create_defaults(item, c, s, wl, wp);
4910 expanded = format_expand(ft, fmt);
4911 format_free(ft);
4912 return (expanded);
4913 }
4914
4915 /* Expand a single string using state. */
4916 char *
4917 format_single_from_state(struct cmdq_item *item, const char *fmt,
4918 struct client *c, struct cmd_find_state *fs)
4919 {
4920 return (format_single(item, fmt, c, fs->s, fs->wl, fs->wp));
4921 }
4922
4923 /* Expand a single string using target. */
4924 char *
4925 format_single_from_target(struct cmdq_item *item, const char *fmt)
4926 {
4927 struct client *tc = cmdq_get_target_client(item);
4928
4929 return (format_single_from_state(item, fmt, tc, cmdq_get_target(item)));
4930 }
4931
4932 /* Create and add defaults. */
4933 struct format_tree *
4934 format_create_defaults(struct cmdq_item *item, struct client *c,
4935 struct session *s, struct winlink *wl, struct window_pane *wp)
4936 {
4937 struct format_tree *ft;
4938
4939 if (item != NULL)
4940 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
4941 else
4942 ft = format_create(NULL, item, FORMAT_NONE, 0);
4943 format_defaults(ft, c, s, wl, wp);
4944 return (ft);
4945 }
4946
4947 /* Create and add defaults using state. */
4948 struct format_tree *
4949 format_create_from_state(struct cmdq_item *item, struct client *c,
4950 struct cmd_find_state *fs)
4951 {
4952 return (format_create_defaults(item, c, fs->s, fs->wl, fs->wp));
4953 }
4954
4955 /* Create and add defaults using target. */
4956 struct format_tree *
4957 format_create_from_target(struct cmdq_item *item)
4958 {
4959 struct client *tc = cmdq_get_target_client(item);
4960
4961 return (format_create_from_state(item, tc, cmdq_get_target(item)));
4962 }
4963
4964 /* Set defaults for any of arguments that are not NULL. */
4965 void
4966 format_defaults(struct format_tree *ft, struct client *c, struct session *s,
4967 struct winlink *wl, struct window_pane *wp)
4968 {
4969 struct paste_buffer *pb;
4970
4971 if (c != NULL && c->name != NULL)
4972 log_debug("%s: c=%s", __func__, c->name);
4973 else
4974 log_debug("%s: c=none", __func__);
4975 if (s != NULL)
4976 log_debug("%s: s=$%u", __func__, s->id);
4977 else
4978 log_debug("%s: s=none", __func__);
4979 if (wl != NULL)
4980 log_debug("%s: wl=%u", __func__, wl->idx);
4981 else
4982 log_debug("%s: wl=none", __func__);
4983 if (wp != NULL)
4984 log_debug("%s: wp=%%%u", __func__, wp->id);
4985 else
4986 log_debug("%s: wp=none", __func__);
4987
4988 if (c != NULL && s != NULL && c->session != s)
4989 log_debug("%s: session does not match", __func__);
4990
4991 if (wp != NULL)
4992 ft->type = FORMAT_TYPE_PANE;
4993 else if (wl != NULL)
4994 ft->type = FORMAT_TYPE_WINDOW;
4995 else if (s != NULL)
4996 ft->type = FORMAT_TYPE_SESSION;
4997 else
4998 ft->type = FORMAT_TYPE_UNKNOWN;
4999
5000 if (s == NULL && c != NULL)
5001 s = c->session;
5002 if (wl == NULL && s != NULL)
5003 wl = s->curw;
5004 if (wp == NULL && wl != NULL)
5005 wp = wl->window->active;
5006
5007 if (c != NULL)
5008 format_defaults_client(ft, c);
5009 if (s != NULL)
5010 format_defaults_session(ft, s);
5011 if (wl != NULL)
5012 format_defaults_winlink(ft, wl);
5013 if (wp != NULL)
5014 format_defaults_pane(ft, wp);
5015
5016 pb = paste_get_top(NULL);
5017 if (pb != NULL)
5018 format_defaults_paste_buffer(ft, pb);
5019 }
5020
5021 /* Set default format keys for a session. */
5022 static void
5023 format_defaults_session(struct format_tree *ft, struct session *s)
5024 {
5025 ft->s = s;
5026 }
5027
5028 /* Set default format keys for a client. */
5029 static void
5030 format_defaults_client(struct format_tree *ft, struct client *c)
5031 {
5032 if (ft->s == NULL)
5033 ft->s = c->session;
5034 ft->c = c;
5035 }
5036
5037 /* Set default format keys for a window. */
5038 void
5039 format_defaults_window(struct format_tree *ft, struct window *w)
5040 {
5041 ft->w = w;
5042 }
5043
5044 /* Set default format keys for a winlink. */
5045 static void
5046 format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
5047 {
5048 if (ft->w == NULL)
5049 format_defaults_window(ft, wl->window);
5050 ft->wl = wl;
5051 }
5052
5053 /* Set default format keys for a window pane. */
5054 void
5055 format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
5056 {
5057 struct window_mode_entry *wme;
5058
5059 if (ft->w == NULL)
5060 format_defaults_window(ft, wp->window);
5061 ft->wp = wp;
5062
5063 wme = TAILQ_FIRST(&wp->modes);
5064 if (wme != NULL && wme->mode->formats != NULL)
5065 wme->mode->formats(wme, ft);
5066 }
5067
5068 /* Set default format keys for paste buffer. */
5069 void
5070 format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
5071 {
5072 ft->pb = pb;
5073 }
5074
5075 /* Return word at given coordinates. Caller frees. */
5076 char *
5077 format_grid_word(struct grid *gd, u_int x, u_int y)
5078 {
5079 const struct grid_line *gl;
5080 struct grid_cell gc;
5081 const char *ws;
5082 struct utf8_data *ud = NULL;
5083 u_int end;
5084 size_t size = 0;
5085 int found = 0;
5086 char *s = NULL;
5087
5088 ws = options_get_string(global_s_options, "word-separators");
5089
5090 for (;;) {
5091 grid_get_cell(gd, x, y, &gc);
5092 if (gc.flags & GRID_FLAG_PADDING)
5093 break;
5094 if (utf8_cstrhas(ws, &gc.data) ||
5095 (gc.data.size == 1 && *gc.data.data == ' ')) {
5096 found = 1;
5097 break;
5098 }
5099
5100 if (x == 0) {
5101 if (y == 0)
5102 break;
5103 gl = grid_peek_line(gd, y - 1);
5104 if (~gl->flags & GRID_LINE_WRAPPED)
5105 break;
5106 y--;
5107 x = grid_line_length(gd, y);
5108 if (x == 0)
5109 break;
5110 }
5111 x--;
5112 }
5113 for (;;) {
5114 if (found) {
5115 end = grid_line_length(gd, y);
5116 if (end == 0 || x == end - 1) {
5117 if (y == gd->hsize + gd->sy - 1)
5118 break;
5119 gl = grid_peek_line(gd, y);
5120 if (~gl->flags & GRID_LINE_WRAPPED)
5121 break;
5122 y++;
5123 x = 0;
5124 } else
5125 x++;
5126 }
5127 found = 1;
5128
5129 grid_get_cell(gd, x, y, &gc);
5130 if (gc.flags & GRID_FLAG_PADDING)
5131 break;
5132 if (utf8_cstrhas(ws, &gc.data) ||
5133 (gc.data.size == 1 && *gc.data.data == ' '))
5134 break;
5135
5136 ud = xreallocarray(ud, size + 2, sizeof *ud);
5137 memcpy(&ud[size++], &gc.data, sizeof *ud);
5138 }
5139 if (size != 0) {
5140 ud[size].size = 0;
5141 s = utf8_tocstr(ud);
5142 free(ud);
5143 }
5144 return (s);
5145 }
5146
5147 /* Return line at given coordinates. Caller frees. */
5148 char *
5149 format_grid_line(struct grid *gd, u_int y)
5150 {
5151 struct grid_cell gc;
5152 struct utf8_data *ud = NULL;
5153 u_int x;
5154 size_t size = 0;
5155 char *s = NULL;
5156
5157 for (x = 0; x < grid_line_length(gd, y); x++) {
5158 grid_get_cell(gd, x, y, &gc);
5159 if (gc.flags & GRID_FLAG_PADDING)
5160 break;
5161
5162 ud = xreallocarray(ud, size + 2, sizeof *ud);
5163 memcpy(&ud[size++], &gc.data, sizeof *ud);
5164 }
5165 if (size != 0) {
5166 ud[size].size = 0;
5167 s = utf8_tocstr(ud);
5168 free(ud);
5169 }
5170 return (s);
5171 }
5172
5173 /* Return hyperlink at given coordinates. Caller frees. */
5174 char *
5175 format_grid_hyperlink(struct grid *gd, u_int x, u_int y, struct screen* s)
5176 {
5177 const char *uri;
5178 struct grid_cell gc;
5179
5180 grid_get_cell(gd, x, y, &gc);
5181 if (gc.flags & GRID_FLAG_PADDING)
5182 return (NULL);
5183 if (s->hyperlinks == NULL || gc.link == 0)
5184 return (NULL);
5185 if (!hyperlinks_get(s->hyperlinks, gc.link, &uri, NULL, NULL))
5186 return (NULL);
5187 return (xstrdup(uri));
5188 }
tmux -- terminal multiplexer similar to GNU Screen