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On second thoughts, do check DA2 for DECFRA and DECSLRM since that will
[tmux.git] / format.c
blob7979e9701318fbbffab34c636e3f63aadf2d0d22
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
1130 if (!ft->m.valid)
1131 return (NULL);
1132 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1133 if (wp == NULL)
1134 return (NULL);
1135 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1136 return (NULL);
1137
1138 if (!TAILQ_EMPTY(&wp->modes)) {
1139 if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
1140 TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
1141 return (window_copy_get_word(wp, x, y));
1142 return (NULL);
1143 }
1144 gd = wp->base.grid;
1145 return (format_grid_word(gd, x, gd->hsize + y));
1146 }
1147
1148 /* Callback for mouse_hyperlink. */
1149 static void *
1150 format_cb_mouse_hyperlink(struct format_tree *ft)
1151 {
1152 struct window_pane *wp;
1153 struct grid *gd;
1154 u_int x, y;
1155
1156 if (!ft->m.valid)
1157 return (NULL);
1158 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1159 if (wp == NULL)
1160 return (NULL);
1161 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1162 return (NULL);
1163 gd = wp->base.grid;
1164 return (format_grid_hyperlink(gd, x, gd->hsize + y, wp->screen));
1165 }
1166
1167 /* Callback for mouse_line. */
1168 static void *
1169 format_cb_mouse_line(struct format_tree *ft)
1170 {
1171 struct window_pane *wp;
1172 struct grid *gd;
1173 u_int x, y;
1174
1175 if (!ft->m.valid)
1176 return (NULL);
1177 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1178 if (wp == NULL)
1179 return (NULL);
1180 if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
1181 return (NULL);
1182
1183 if (!TAILQ_EMPTY(&wp->modes)) {
1184 if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
1185 TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
1186 return (window_copy_get_line(wp, y));
1187 return (NULL);
1188 }
1189 gd = wp->base.grid;
1190 return (format_grid_line(gd, gd->hsize + y));
1191 }
1192
1193 /* Callback for mouse_status_line. */
1194 static void *
1195 format_cb_mouse_status_line(struct format_tree *ft)
1196 {
1197 char *value;
1198 u_int y;
1199
1200 if (!ft->m.valid)
1201 return (NULL);
1202 if (ft->c == NULL || (~ft->c->tty.flags & TTY_STARTED))
1203 return (NULL);
1204
1205 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines) {
1206 y = ft->m.y;
1207 } else if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat) {
1208 y = ft->m.y - ft->m.statusat;
1209 } else
1210 return (NULL);
1211 xasprintf(&value, "%u", y);
1212 return (value);
1213
1214 }
1215
1216 /* Callback for mouse_status_range. */
1217 static void *
1218 format_cb_mouse_status_range(struct format_tree *ft)
1219 {
1220 struct style_range *sr;
1221 u_int x, y;
1222
1223 if (!ft->m.valid)
1224 return (NULL);
1225 if (ft->c == NULL || (~ft->c->tty.flags & TTY_STARTED))
1226 return (NULL);
1227
1228 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines) {
1229 x = ft->m.x;
1230 y = ft->m.y;
1231 } else if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat) {
1232 x = ft->m.x;
1233 y = ft->m.y - ft->m.statusat;
1234 } else
1235 return (NULL);
1236
1237 sr = status_get_range(ft->c, x, y);
1238 if (sr == NULL)
1239 return (NULL);
1240 switch (sr->type) {
1241 case STYLE_RANGE_NONE:
1242 return (NULL);
1243 case STYLE_RANGE_LEFT:
1244 return (xstrdup("left"));
1245 case STYLE_RANGE_RIGHT:
1246 return (xstrdup("right"));
1247 case STYLE_RANGE_PANE:
1248 return (xstrdup("pane"));
1249 case STYLE_RANGE_WINDOW:
1250 return (xstrdup("window"));
1251 case STYLE_RANGE_SESSION:
1252 return (xstrdup("session"));
1253 case STYLE_RANGE_USER:
1254 return (xstrdup(sr->string));
1255 }
1256 return (NULL);
1257 }
1258
1259 /* Callback for alternate_on. */
1260 static void *
1261 format_cb_alternate_on(struct format_tree *ft)
1262 {
1263 if (ft->wp != NULL) {
1264 if (ft->wp->base.saved_grid != NULL)
1265 return (xstrdup("1"));
1266 return (xstrdup("0"));
1267 }
1268 return (NULL);
1269 }
1270
1271 /* Callback for alternate_saved_x. */
1272 static void *
1273 format_cb_alternate_saved_x(struct format_tree *ft)
1274 {
1275 if (ft->wp != NULL)
1276 return (format_printf("%u", ft->wp->base.saved_cx));
1277 return (NULL);
1278 }
1279
1280 /* Callback for alternate_saved_y. */
1281 static void *
1282 format_cb_alternate_saved_y(struct format_tree *ft)
1283 {
1284 if (ft->wp != NULL)
1285 return (format_printf("%u", ft->wp->base.saved_cy));
1286 return (NULL);
1287 }
1288
1289 /* Callback for buffer_name. */
1290 static void *
1291 format_cb_buffer_name(struct format_tree *ft)
1292 {
1293 if (ft->pb != NULL)
1294 return (xstrdup(paste_buffer_name(ft->pb)));
1295 return (NULL);
1296 }
1297
1298 /* Callback for buffer_sample. */
1299 static void *
1300 format_cb_buffer_sample(struct format_tree *ft)
1301 {
1302 if (ft->pb != NULL)
1303 return (paste_make_sample(ft->pb));
1304 return (NULL);
1305 }
1306
1307 /* Callback for buffer_size. */
1308 static void *
1309 format_cb_buffer_size(struct format_tree *ft)
1310 {
1311 size_t size;
1312
1313 if (ft->pb != NULL) {
1314 paste_buffer_data(ft->pb, &size);
1315 return (format_printf("%zu", size));
1316 }
1317 return (NULL);
1318 }
1319
1320 /* Callback for client_cell_height. */
1321 static void *
1322 format_cb_client_cell_height(struct format_tree *ft)
1323 {
1324 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1325 return (format_printf("%u", ft->c->tty.ypixel));
1326 return (NULL);
1327 }
1328
1329 /* Callback for client_cell_width. */
1330 static void *
1331 format_cb_client_cell_width(struct format_tree *ft)
1332 {
1333 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1334 return (format_printf("%u", ft->c->tty.xpixel));
1335 return (NULL);
1336 }
1337
1338 /* Callback for client_control_mode. */
1339 static void *
1340 format_cb_client_control_mode(struct format_tree *ft)
1341 {
1342 if (ft->c != NULL) {
1343 if (ft->c->flags & CLIENT_CONTROL)
1344 return (xstrdup("1"));
1345 return (xstrdup("0"));
1346 }
1347 return (NULL);
1348 }
1349
1350 /* Callback for client_discarded. */
1351 static void *
1352 format_cb_client_discarded(struct format_tree *ft)
1353 {
1354 if (ft->c != NULL)
1355 return (format_printf("%zu", ft->c->discarded));
1356 return (NULL);
1357 }
1358
1359 /* Callback for client_flags. */
1360 static void *
1361 format_cb_client_flags(struct format_tree *ft)
1362 {
1363 if (ft->c != NULL)
1364 return (xstrdup(server_client_get_flags(ft->c)));
1365 return (NULL);
1366 }
1367
1368 /* Callback for client_height. */
1369 static void *
1370 format_cb_client_height(struct format_tree *ft)
1371 {
1372 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1373 return (format_printf("%u", ft->c->tty.sy));
1374 return (NULL);
1375 }
1376
1377 /* Callback for client_key_table. */
1378 static void *
1379 format_cb_client_key_table(struct format_tree *ft)
1380 {
1381 if (ft->c != NULL)
1382 return (xstrdup(ft->c->keytable->name));
1383 return (NULL);
1384 }
1385
1386 /* Callback for client_last_session. */
1387 static void *
1388 format_cb_client_last_session(struct format_tree *ft)
1389 {
1390 if (ft->c != NULL &&
1391 ft->c->last_session != NULL &&
1392 session_alive(ft->c->last_session))
1393 return (xstrdup(ft->c->last_session->name));
1394 return (NULL);
1395 }
1396
1397 /* Callback for client_name. */
1398 static void *
1399 format_cb_client_name(struct format_tree *ft)
1400 {
1401 if (ft->c != NULL)
1402 return (xstrdup(ft->c->name));
1403 return (NULL);
1404 }
1405
1406 /* Callback for client_pid. */
1407 static void *
1408 format_cb_client_pid(struct format_tree *ft)
1409 {
1410 if (ft->c != NULL)
1411 return (format_printf("%ld", (long)ft->c->pid));
1412 return (NULL);
1413 }
1414
1415 /* Callback for client_prefix. */
1416 static void *
1417 format_cb_client_prefix(struct format_tree *ft)
1418 {
1419 const char *name;
1420
1421 if (ft->c != NULL) {
1422 name = server_client_get_key_table(ft->c);
1423 if (strcmp(ft->c->keytable->name, name) == 0)
1424 return (xstrdup("0"));
1425 return (xstrdup("1"));
1426 }
1427 return (NULL);
1428 }
1429
1430 /* Callback for client_readonly. */
1431 static void *
1432 format_cb_client_readonly(struct format_tree *ft)
1433 {
1434 if (ft->c != NULL) {
1435 if (ft->c->flags & CLIENT_READONLY)
1436 return (xstrdup("1"));
1437 return (xstrdup("0"));
1438 }
1439 return (NULL);
1440 }
1441
1442 /* Callback for client_session. */
1443 static void *
1444 format_cb_client_session(struct format_tree *ft)
1445 {
1446 if (ft->c != NULL && ft->c->session != NULL)
1447 return (xstrdup(ft->c->session->name));
1448 return (NULL);
1449 }
1450
1451 /* Callback for client_termfeatures. */
1452 static void *
1453 format_cb_client_termfeatures(struct format_tree *ft)
1454 {
1455 if (ft->c != NULL)
1456 return (xstrdup(tty_get_features(ft->c->term_features)));
1457 return (NULL);
1458 }
1459
1460 /* Callback for client_termname. */
1461 static void *
1462 format_cb_client_termname(struct format_tree *ft)
1463 {
1464 if (ft->c != NULL)
1465 return (xstrdup(ft->c->term_name));
1466 return (NULL);
1467 }
1468
1469 /* Callback for client_termtype. */
1470 static void *
1471 format_cb_client_termtype(struct format_tree *ft)
1472 {
1473 if (ft->c != NULL) {
1474 if (ft->c->term_type == NULL)
1475 return (xstrdup(""));
1476 return (xstrdup(ft->c->term_type));
1477 }
1478 return (NULL);
1479 }
1480
1481 /* Callback for client_tty. */
1482 static void *
1483 format_cb_client_tty(struct format_tree *ft)
1484 {
1485 if (ft->c != NULL)
1486 return (xstrdup(ft->c->ttyname));
1487 return (NULL);
1488 }
1489
1490 /* Callback for client_uid. */
1491 static void *
1492 format_cb_client_uid(struct format_tree *ft)
1493 {
1494 uid_t uid;
1495
1496 if (ft->c != NULL) {
1497 uid = proc_get_peer_uid(ft->c->peer);
1498 if (uid != (uid_t)-1)
1499 return (format_printf("%ld", (long)uid));
1500 }
1501 return (NULL);
1502 }
1503
1504 /* Callback for client_user. */
1505 static void *
1506 format_cb_client_user(struct format_tree *ft)
1507 {
1508 uid_t uid;
1509 struct passwd *pw;
1510
1511 if (ft->c != NULL) {
1512 uid = proc_get_peer_uid(ft->c->peer);
1513 if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL)
1514 return (xstrdup(pw->pw_name));
1515 }
1516 return (NULL);
1517 }
1518
1519 /* Callback for client_utf8. */
1520 static void *
1521 format_cb_client_utf8(struct format_tree *ft)
1522 {
1523 if (ft->c != NULL) {
1524 if (ft->c->flags & CLIENT_UTF8)
1525 return (xstrdup("1"));
1526 return (xstrdup("0"));
1527 }
1528 return (NULL);
1529 }
1530
1531 /* Callback for client_width. */
1532 static void *
1533 format_cb_client_width(struct format_tree *ft)
1534 {
1535 if (ft->c != NULL)
1536 return (format_printf("%u", ft->c->tty.sx));
1537 return (NULL);
1538 }
1539
1540 /* Callback for client_written. */
1541 static void *
1542 format_cb_client_written(struct format_tree *ft)
1543 {
1544 if (ft->c != NULL)
1545 return (format_printf("%zu", ft->c->written));
1546 return (NULL);
1547 }
1548
1549 /* Callback for config_files. */
1550 static void *
1551 format_cb_config_files(__unused struct format_tree *ft)
1552 {
1553 char *s = NULL;
1554 size_t slen = 0;
1555 u_int i;
1556 size_t n;
1557
1558 for (i = 0; i < cfg_nfiles; i++) {
1559 n = strlen(cfg_files[i]) + 1;
1560 s = xrealloc(s, slen + n + 1);
1561 slen += xsnprintf(s + slen, n + 1, "%s,", cfg_files[i]);
1562 }
1563 if (s == NULL)
1564 return (xstrdup(""));
1565 s[slen - 1] = '\0';
1566 return (s);
1567 }
1568
1569 /* Callback for cursor_flag. */
1570 static void *
1571 format_cb_cursor_flag(struct format_tree *ft)
1572 {
1573 if (ft->wp != NULL) {
1574 if (ft->wp->base.mode & MODE_CURSOR)
1575 return (xstrdup("1"));
1576 return (xstrdup("0"));
1577 }
1578 return (NULL);
1579 }
1580
1581 /* Callback for cursor_x. */
1582 static void *
1583 format_cb_cursor_x(struct format_tree *ft)
1584 {
1585 if (ft->wp != NULL)
1586 return (format_printf("%u", ft->wp->base.cx));
1587 return (NULL);
1588 }
1589
1590 /* Callback for cursor_y. */
1591 static void *
1592 format_cb_cursor_y(struct format_tree *ft)
1593 {
1594 if (ft->wp != NULL)
1595 return (format_printf("%u", ft->wp->base.cy));
1596 return (NULL);
1597 }
1598
1599 /* Callback for history_limit. */
1600 static void *
1601 format_cb_history_limit(struct format_tree *ft)
1602 {
1603 if (ft->wp != NULL)
1604 return (format_printf("%u", ft->wp->base.grid->hlimit));
1605 return (NULL);
1606 }
1607
1608 /* Callback for history_size. */
1609 static void *
1610 format_cb_history_size(struct format_tree *ft)
1611 {
1612 if (ft->wp != NULL)
1613 return (format_printf("%u", ft->wp->base.grid->hsize));
1614 return (NULL);
1615 }
1616
1617 /* Callback for insert_flag. */
1618 static void *
1619 format_cb_insert_flag(struct format_tree *ft)
1620 {
1621 if (ft->wp != NULL) {
1622 if (ft->wp->base.mode & MODE_INSERT)
1623 return (xstrdup("1"));
1624 return (xstrdup("0"));
1625 }
1626 return (NULL);
1627 }
1628
1629 /* Callback for keypad_cursor_flag. */
1630 static void *
1631 format_cb_keypad_cursor_flag(struct format_tree *ft)
1632 {
1633 if (ft->wp != NULL) {
1634 if (ft->wp->base.mode & MODE_KCURSOR)
1635 return (xstrdup("1"));
1636 return (xstrdup("0"));
1637 }
1638 return (NULL);
1639 }
1640
1641 /* Callback for keypad_flag. */
1642 static void *
1643 format_cb_keypad_flag(struct format_tree *ft)
1644 {
1645 if (ft->wp != NULL) {
1646 if (ft->wp->base.mode & MODE_KKEYPAD)
1647 return (xstrdup("1"));
1648 return (xstrdup("0"));
1649 }
1650 return (NULL);
1651 }
1652
1653 /* Callback for mouse_all_flag. */
1654 static void *
1655 format_cb_mouse_all_flag(struct format_tree *ft)
1656 {
1657 if (ft->wp != NULL) {
1658 if (ft->wp->base.mode & MODE_MOUSE_ALL)
1659 return (xstrdup("1"));
1660 return (xstrdup("0"));
1661 }
1662 return (NULL);
1663 }
1664
1665 /* Callback for mouse_any_flag. */
1666 static void *
1667 format_cb_mouse_any_flag(struct format_tree *ft)
1668 {
1669 if (ft->wp != NULL) {
1670 if (ft->wp->base.mode & ALL_MOUSE_MODES)
1671 return (xstrdup("1"));
1672 return (xstrdup("0"));
1673 }
1674 return (NULL);
1675 }
1676
1677 /* Callback for mouse_button_flag. */
1678 static void *
1679 format_cb_mouse_button_flag(struct format_tree *ft)
1680 {
1681 if (ft->wp != NULL) {
1682 if (ft->wp->base.mode & MODE_MOUSE_BUTTON)
1683 return (xstrdup("1"));
1684 return (xstrdup("0"));
1685 }
1686 return (NULL);
1687 }
1688
1689 /* Callback for mouse_pane. */
1690 static void *
1691 format_cb_mouse_pane(struct format_tree *ft)
1692 {
1693 struct window_pane *wp;
1694
1695 if (ft->m.valid) {
1696 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1697 if (wp != NULL)
1698 return (format_printf("%%%u", wp->id));
1699 return (NULL);
1700 }
1701 return (NULL);
1702 }
1703
1704 /* Callback for mouse_sgr_flag. */
1705 static void *
1706 format_cb_mouse_sgr_flag(struct format_tree *ft)
1707 {
1708 if (ft->wp != NULL) {
1709 if (ft->wp->base.mode & MODE_MOUSE_SGR)
1710 return (xstrdup("1"));
1711 return (xstrdup("0"));
1712 }
1713 return (NULL);
1714 }
1715
1716 /* Callback for mouse_standard_flag. */
1717 static void *
1718 format_cb_mouse_standard_flag(struct format_tree *ft)
1719 {
1720 if (ft->wp != NULL) {
1721 if (ft->wp->base.mode & MODE_MOUSE_STANDARD)
1722 return (xstrdup("1"));
1723 return (xstrdup("0"));
1724 }
1725 return (NULL);
1726 }
1727
1728 /* Callback for mouse_utf8_flag. */
1729 static void *
1730 format_cb_mouse_utf8_flag(struct format_tree *ft)
1731 {
1732 if (ft->wp != NULL) {
1733 if (ft->wp->base.mode & MODE_MOUSE_UTF8)
1734 return (xstrdup("1"));
1735 return (xstrdup("0"));
1736 }
1737 return (NULL);
1738 }
1739
1740 /* Callback for mouse_x. */
1741 static void *
1742 format_cb_mouse_x(struct format_tree *ft)
1743 {
1744 struct window_pane *wp;
1745 u_int x, y;
1746
1747 if (!ft->m.valid)
1748 return (NULL);
1749 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1750 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1751 return (format_printf("%u", x));
1752 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1753 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1754 return (format_printf("%u", ft->m.x));
1755 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1756 return (format_printf("%u", ft->m.x));
1757 }
1758 return (NULL);
1759 }
1760
1761 /* Callback for mouse_y. */
1762 static void *
1763 format_cb_mouse_y(struct format_tree *ft)
1764 {
1765 struct window_pane *wp;
1766 u_int x, y;
1767
1768 if (!ft->m.valid)
1769 return (NULL);
1770 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1771 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1772 return (format_printf("%u", y));
1773 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1774 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1775 return (format_printf("%u", ft->m.y));
1776 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1777 return (format_printf("%u", ft->m.y - ft->m.statusat));
1778 }
1779 return (NULL);
1780 }
1781
1782 /* Callback for next_session_id. */
1783 static void *
1784 format_cb_next_session_id(__unused struct format_tree *ft)
1785 {
1786 return (format_printf("$%u", next_session_id));
1787 }
1788
1789 /* Callback for origin_flag. */
1790 static void *
1791 format_cb_origin_flag(struct format_tree *ft)
1792 {
1793 if (ft->wp != NULL) {
1794 if (ft->wp->base.mode & MODE_ORIGIN)
1795 return (xstrdup("1"));
1796 return (xstrdup("0"));
1797 }
1798 return (NULL);
1799 }
1800
1801 /* Callback for pane_active. */
1802 static void *
1803 format_cb_pane_active(struct format_tree *ft)
1804 {
1805 if (ft->wp != NULL) {
1806 if (ft->wp == ft->wp->window->active)
1807 return (xstrdup("1"));
1808 return (xstrdup("0"));
1809 }
1810 return (NULL);
1811 }
1812
1813 /* Callback for pane_at_left. */
1814 static void *
1815 format_cb_pane_at_left(struct format_tree *ft)
1816 {
1817 if (ft->wp != NULL) {
1818 if (ft->wp->xoff == 0)
1819 return (xstrdup("1"));
1820 return (xstrdup("0"));
1821 }
1822 return (NULL);
1823 }
1824
1825 /* Callback for pane_at_right. */
1826 static void *
1827 format_cb_pane_at_right(struct format_tree *ft)
1828 {
1829 if (ft->wp != NULL) {
1830 if (ft->wp->xoff + ft->wp->sx == ft->wp->window->sx)
1831 return (xstrdup("1"));
1832 return (xstrdup("0"));
1833 }
1834 return (NULL);
1835 }
1836
1837 /* Callback for pane_bottom. */
1838 static void *
1839 format_cb_pane_bottom(struct format_tree *ft)
1840 {
1841 if (ft->wp != NULL)
1842 return (format_printf("%u", ft->wp->yoff + ft->wp->sy - 1));
1843 return (NULL);
1844 }
1845
1846 /* Callback for pane_dead. */
1847 static void *
1848 format_cb_pane_dead(struct format_tree *ft)
1849 {
1850 if (ft->wp != NULL) {
1851 if (ft->wp->fd == -1)
1852 return (xstrdup("1"));
1853 return (xstrdup("0"));
1854 }
1855 return (NULL);
1856 }
1857
1858 /* Callback for pane_dead_signal. */
1859 static void *
1860 format_cb_pane_dead_signal(struct format_tree *ft)
1861 {
1862 struct window_pane *wp = ft->wp;
1863 const char *name;
1864
1865 if (wp != NULL) {
1866 if ((wp->flags & PANE_STATUSREADY) && WIFSIGNALED(wp->status)) {
1867 name = sig2name(WTERMSIG(wp->status));
1868 return (format_printf("%s", name));
1869 }
1870 return (NULL);
1871 }
1872 return (NULL);
1873 }
1874
1875 /* Callback for pane_dead_status. */
1876 static void *
1877 format_cb_pane_dead_status(struct format_tree *ft)
1878 {
1879 struct window_pane *wp = ft->wp;
1880
1881 if (wp != NULL) {
1882 if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(wp->status))
1883 return (format_printf("%d", WEXITSTATUS(wp->status)));
1884 return (NULL);
1885 }
1886 return (NULL);
1887 }
1888
1889 /* Callback for pane_dead_time. */
1890 static void *
1891 format_cb_pane_dead_time(struct format_tree *ft)
1892 {
1893 struct window_pane *wp = ft->wp;
1894
1895 if (wp != NULL) {
1896 if (wp->flags & PANE_STATUSDRAWN)
1897 return (&wp->dead_time);
1898 return (NULL);
1899 }
1900 return (NULL);
1901 }
1902
1903 /* Callback for pane_format. */
1904 static void *
1905 format_cb_pane_format(struct format_tree *ft)
1906 {
1907 if (ft->type == FORMAT_TYPE_PANE)
1908 return (xstrdup("1"));
1909 return (xstrdup("0"));
1910 }
1911
1912 /* Callback for pane_height. */
1913 static void *
1914 format_cb_pane_height(struct format_tree *ft)
1915 {
1916 if (ft->wp != NULL)
1917 return (format_printf("%u", ft->wp->sy));
1918 return (NULL);
1919 }
1920
1921 /* Callback for pane_id. */
1922 static void *
1923 format_cb_pane_id(struct format_tree *ft)
1924 {
1925 if (ft->wp != NULL)
1926 return (format_printf("%%%u", ft->wp->id));
1927 return (NULL);
1928 }
1929
1930 /* Callback for pane_index. */
1931 static void *
1932 format_cb_pane_index(struct format_tree *ft)
1933 {
1934 u_int idx;
1935
1936 if (ft->wp != NULL && window_pane_index(ft->wp, &idx) == 0)
1937 return (format_printf("%u", idx));
1938 return (NULL);
1939 }
1940
1941 /* Callback for pane_input_off. */
1942 static void *
1943 format_cb_pane_input_off(struct format_tree *ft)
1944 {
1945 if (ft->wp != NULL) {
1946 if (ft->wp->flags & PANE_INPUTOFF)
1947 return (xstrdup("1"));
1948 return (xstrdup("0"));
1949 }
1950 return (NULL);
1951 }
1952
1953 /* Callback for pane_unseen_changes. */
1954 static void *
1955 format_cb_pane_unseen_changes(struct format_tree *ft)
1956 {
1957 if (ft->wp != NULL) {
1958 if (ft->wp->flags & PANE_UNSEENCHANGES)
1959 return (xstrdup("1"));
1960 return (xstrdup("0"));
1961 }
1962 return (NULL);
1963 }
1964
1965 /* Callback for pane_last. */
1966 static void *
1967 format_cb_pane_last(struct format_tree *ft)
1968 {
1969 if (ft->wp != NULL) {
1970 if (ft->wp == TAILQ_FIRST(&ft->wp->window->last_panes))
1971 return (xstrdup("1"));
1972 return (xstrdup("0"));
1973 }
1974 return (NULL);
1975 }
1976
1977 /* Callback for pane_left. */
1978 static void *
1979 format_cb_pane_left(struct format_tree *ft)
1980 {
1981 if (ft->wp != NULL)
1982 return (format_printf("%u", ft->wp->xoff));
1983 return (NULL);
1984 }
1985
1986 /* Callback for pane_marked. */
1987 static void *
1988 format_cb_pane_marked(struct format_tree *ft)
1989 {
1990 if (ft->wp != NULL) {
1991 if (server_check_marked() && marked_pane.wp == ft->wp)
1992 return (xstrdup("1"));
1993 return (xstrdup("0"));
1994 }
1995 return (NULL);
1996 }
1997
1998 /* Callback for pane_marked_set. */
1999 static void *
2000 format_cb_pane_marked_set(struct format_tree *ft)
2001 {
2002 if (ft->wp != NULL) {
2003 if (server_check_marked())
2004 return (xstrdup("1"));
2005 return (xstrdup("0"));
2006 }
2007 return (NULL);
2008 }
2009
2010 /* Callback for pane_mode. */
2011 static void *
2012 format_cb_pane_mode(struct format_tree *ft)
2013 {
2014 struct window_mode_entry *wme;
2015
2016 if (ft->wp != NULL) {
2017 wme = TAILQ_FIRST(&ft->wp->modes);
2018 if (wme != NULL)
2019 return (xstrdup(wme->mode->name));
2020 return (NULL);
2021 }
2022 return (NULL);
2023 }
2024
2025 /* Callback for pane_path. */
2026 static void *
2027 format_cb_pane_path(struct format_tree *ft)
2028 {
2029 if (ft->wp != NULL) {
2030 if (ft->wp->base.path == NULL)
2031 return (xstrdup(""));
2032 return (xstrdup(ft->wp->base.path));
2033 }
2034 return (NULL);
2035 }
2036
2037 /* Callback for pane_pid. */
2038 static void *
2039 format_cb_pane_pid(struct format_tree *ft)
2040 {
2041 if (ft->wp != NULL)
2042 return (format_printf("%ld", (long)ft->wp->pid));
2043 return (NULL);
2044 }
2045
2046 /* Callback for pane_pipe. */
2047 static void *
2048 format_cb_pane_pipe(struct format_tree *ft)
2049 {
2050 if (ft->wp != NULL) {
2051 if (ft->wp->pipe_fd != -1)
2052 return (xstrdup("1"));
2053 return (xstrdup("0"));
2054 }
2055 return (NULL);
2056 }
2057
2058 /* Callback for pane_right. */
2059 static void *
2060 format_cb_pane_right(struct format_tree *ft)
2061 {
2062 if (ft->wp != NULL)
2063 return (format_printf("%u", ft->wp->xoff + ft->wp->sx - 1));
2064 return (NULL);
2065 }
2066
2067 /* Callback for pane_search_string. */
2068 static void *
2069 format_cb_pane_search_string(struct format_tree *ft)
2070 {
2071 if (ft->wp != NULL) {
2072 if (ft->wp->searchstr == NULL)
2073 return (xstrdup(""));
2074 return (xstrdup(ft->wp->searchstr));
2075 }
2076 return (NULL);
2077 }
2078
2079 /* Callback for pane_synchronized. */
2080 static void *
2081 format_cb_pane_synchronized(struct format_tree *ft)
2082 {
2083 if (ft->wp != NULL) {
2084 if (options_get_number(ft->wp->options, "synchronize-panes"))
2085 return (xstrdup("1"));
2086 return (xstrdup("0"));
2087 }
2088 return (NULL);
2089 }
2090
2091 /* Callback for pane_title. */
2092 static void *
2093 format_cb_pane_title(struct format_tree *ft)
2094 {
2095 if (ft->wp != NULL)
2096 return (xstrdup(ft->wp->base.title));
2097 return (NULL);
2098 }
2099
2100 /* Callback for pane_top. */
2101 static void *
2102 format_cb_pane_top(struct format_tree *ft)
2103 {
2104 if (ft->wp != NULL)
2105 return (format_printf("%u", ft->wp->yoff));
2106 return (NULL);
2107 }
2108
2109 /* Callback for pane_tty. */
2110 static void *
2111 format_cb_pane_tty(struct format_tree *ft)
2112 {
2113 if (ft->wp != NULL)
2114 return (xstrdup(ft->wp->tty));
2115 return (NULL);
2116 }
2117
2118 /* Callback for pane_width. */
2119 static void *
2120 format_cb_pane_width(struct format_tree *ft)
2121 {
2122 if (ft->wp != NULL)
2123 return (format_printf("%u", ft->wp->sx));
2124 return (NULL);
2125 }
2126
2127 /* Callback for scroll_region_lower. */
2128 static void *
2129 format_cb_scroll_region_lower(struct format_tree *ft)
2130 {
2131 if (ft->wp != NULL)
2132 return (format_printf("%u", ft->wp->base.rlower));
2133 return (NULL);
2134 }
2135
2136 /* Callback for scroll_region_upper. */
2137 static void *
2138 format_cb_scroll_region_upper(struct format_tree *ft)
2139 {
2140 if (ft->wp != NULL)
2141 return (format_printf("%u", ft->wp->base.rupper));
2142 return (NULL);
2143 }
2144
2145 /* Callback for server_sessions. */
2146 static void *
2147 format_cb_server_sessions(__unused struct format_tree *ft)
2148 {
2149 struct session *s;
2150 u_int n = 0;
2151
2152 RB_FOREACH(s, sessions, &sessions)
2153 n++;
2154 return (format_printf("%u", n));
2155 }
2156
2157 /* Callback for session_attached. */
2158 static void *
2159 format_cb_session_attached(struct format_tree *ft)
2160 {
2161 if (ft->s != NULL)
2162 return (format_printf("%u", ft->s->attached));
2163 return (NULL);
2164 }
2165
2166 /* Callback for session_format. */
2167 static void *
2168 format_cb_session_format(struct format_tree *ft)
2169 {
2170 if (ft->type == FORMAT_TYPE_SESSION)
2171 return (xstrdup("1"));
2172 return (xstrdup("0"));
2173 }
2174
2175 /* Callback for session_group. */
2176 static void *
2177 format_cb_session_group(struct format_tree *ft)
2178 {
2179 struct session_group *sg;
2180
2181 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2182 return (xstrdup(sg->name));
2183 return (NULL);
2184 }
2185
2186 /* Callback for session_group_attached. */
2187 static void *
2188 format_cb_session_group_attached(struct format_tree *ft)
2189 {
2190 struct session_group *sg;
2191
2192 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2193 return (format_printf("%u", session_group_attached_count (sg)));
2194 return (NULL);
2195 }
2196
2197 /* Callback for session_group_many_attached. */
2198 static void *
2199 format_cb_session_group_many_attached(struct format_tree *ft)
2200 {
2201 struct session_group *sg;
2202
2203 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL) {
2204 if (session_group_attached_count (sg) > 1)
2205 return (xstrdup("1"));
2206 return (xstrdup("0"));
2207 }
2208 return (NULL);
2209 }
2210
2211 /* Callback for session_group_size. */
2212 static void *
2213 format_cb_session_group_size(struct format_tree *ft)
2214 {
2215 struct session_group *sg;
2216
2217 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2218 return (format_printf("%u", session_group_count (sg)));
2219 return (NULL);
2220 }
2221
2222 /* Callback for session_grouped. */
2223 static void *
2224 format_cb_session_grouped(struct format_tree *ft)
2225 {
2226 if (ft->s != NULL) {
2227 if (session_group_contains(ft->s) != NULL)
2228 return (xstrdup("1"));
2229 return (xstrdup("0"));
2230 }
2231 return (NULL);
2232 }
2233
2234 /* Callback for session_id. */
2235 static void *
2236 format_cb_session_id(struct format_tree *ft)
2237 {
2238 if (ft->s != NULL)
2239 return (format_printf("$%u", ft->s->id));
2240 return (NULL);
2241 }
2242
2243 /* Callback for session_many_attached. */
2244 static void *
2245 format_cb_session_many_attached(struct format_tree *ft)
2246 {
2247 if (ft->s != NULL) {
2248 if (ft->s->attached > 1)
2249 return (xstrdup("1"));
2250 return (xstrdup("0"));
2251 }
2252 return (NULL);
2253 }
2254
2255 /* Callback for session_marked. */
2256 static void *
2257 format_cb_session_marked(struct format_tree *ft)
2258 {
2259 if (ft->s != NULL) {
2260 if (server_check_marked() && marked_pane.s == ft->s)
2261 return (xstrdup("1"));
2262 return (xstrdup("0"));
2263 }
2264 return (NULL);
2265 }
2266
2267 /* Callback for session_name. */
2268 static void *
2269 format_cb_session_name(struct format_tree *ft)
2270 {
2271 if (ft->s != NULL)
2272 return (xstrdup(ft->s->name));
2273 return (NULL);
2274 }
2275
2276 /* Callback for session_path. */
2277 static void *
2278 format_cb_session_path(struct format_tree *ft)
2279 {
2280 if (ft->s != NULL)
2281 return (xstrdup(ft->s->cwd));
2282 return (NULL);
2283 }
2284
2285 /* Callback for session_windows. */
2286 static void *
2287 format_cb_session_windows(struct format_tree *ft)
2288 {
2289 if (ft->s != NULL)
2290 return (format_printf("%u", winlink_count(&ft->s->windows)));
2291 return (NULL);
2292 }
2293
2294 /* Callback for socket_path. */
2295 static void *
2296 format_cb_socket_path(__unused struct format_tree *ft)
2297 {
2298 return (xstrdup(socket_path));
2299 }
2300
2301 /* Callback for version. */
2302 static void *
2303 format_cb_version(__unused struct format_tree *ft)
2304 {
2305 return (xstrdup(getversion()));
2306 }
2307
2308 /* Callback for active_window_index. */
2309 static void *
2310 format_cb_active_window_index(struct format_tree *ft)
2311 {
2312 if (ft->s != NULL)
2313 return (format_printf("%u", ft->s->curw->idx));
2314 return (NULL);
2315 }
2316
2317 /* Callback for last_window_index. */
2318 static void *
2319 format_cb_last_window_index(struct format_tree *ft)
2320 {
2321 struct winlink *wl;
2322
2323 if (ft->s != NULL) {
2324 wl = RB_MAX(winlinks, &ft->s->windows);
2325 return (format_printf("%u", wl->idx));
2326 }
2327 return (NULL);
2328 }
2329
2330 /* Callback for window_active. */
2331 static void *
2332 format_cb_window_active(struct format_tree *ft)
2333 {
2334 if (ft->wl != NULL) {
2335 if (ft->wl == ft->wl->session->curw)
2336 return (xstrdup("1"));
2337 return (xstrdup("0"));
2338 }
2339 return (NULL);
2340 }
2341
2342 /* Callback for window_activity_flag. */
2343 static void *
2344 format_cb_window_activity_flag(struct format_tree *ft)
2345 {
2346 if (ft->wl != NULL) {
2347 if (ft->wl->flags & WINLINK_ACTIVITY)
2348 return (xstrdup("1"));
2349 return (xstrdup("0"));
2350 }
2351 return (NULL);
2352 }
2353
2354 /* Callback for window_bell_flag. */
2355 static void *
2356 format_cb_window_bell_flag(struct format_tree *ft)
2357 {
2358 if (ft->wl != NULL) {
2359 if (ft->wl->flags & WINLINK_BELL)
2360 return (xstrdup("1"));
2361 return (xstrdup("0"));
2362 }
2363 return (NULL);
2364 }
2365
2366 /* Callback for window_bigger. */
2367 static void *
2368 format_cb_window_bigger(struct format_tree *ft)
2369 {
2370 u_int ox, oy, sx, sy;
2371
2372 if (ft->c != NULL) {
2373 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2374 return (xstrdup("1"));
2375 return (xstrdup("0"));
2376 }
2377 return (NULL);
2378 }
2379
2380 /* Callback for window_cell_height. */
2381 static void *
2382 format_cb_window_cell_height(struct format_tree *ft)
2383 {
2384 if (ft->w != NULL)
2385 return (format_printf("%u", ft->w->ypixel));
2386 return (NULL);
2387 }
2388
2389 /* Callback for window_cell_width. */
2390 static void *
2391 format_cb_window_cell_width(struct format_tree *ft)
2392 {
2393 if (ft->w != NULL)
2394 return (format_printf("%u", ft->w->xpixel));
2395 return (NULL);
2396 }
2397
2398 /* Callback for window_end_flag. */
2399 static void *
2400 format_cb_window_end_flag(struct format_tree *ft)
2401 {
2402 if (ft->wl != NULL) {
2403 if (ft->wl == RB_MAX(winlinks, &ft->wl->session->windows))
2404 return (xstrdup("1"));
2405 return (xstrdup("0"));
2406 }
2407 return (NULL);
2408 }
2409
2410 /* Callback for window_flags. */
2411 static void *
2412 format_cb_window_flags(struct format_tree *ft)
2413 {
2414 if (ft->wl != NULL)
2415 return (xstrdup(window_printable_flags(ft->wl, 1)));
2416 return (NULL);
2417 }
2418
2419 /* Callback for window_format. */
2420 static void *
2421 format_cb_window_format(struct format_tree *ft)
2422 {
2423 if (ft->type == FORMAT_TYPE_WINDOW)
2424 return (xstrdup("1"));
2425 return (xstrdup("0"));
2426 }
2427
2428 /* Callback for window_height. */
2429 static void *
2430 format_cb_window_height(struct format_tree *ft)
2431 {
2432 if (ft->w != NULL)
2433 return (format_printf("%u", ft->w->sy));
2434 return (NULL);
2435 }
2436
2437 /* Callback for window_id. */
2438 static void *
2439 format_cb_window_id(struct format_tree *ft)
2440 {
2441 if (ft->w != NULL)
2442 return (format_printf("@%u", ft->w->id));
2443 return (NULL);
2444 }
2445
2446 /* Callback for window_index. */
2447 static void *
2448 format_cb_window_index(struct format_tree *ft)
2449 {
2450 if (ft->wl != NULL)
2451 return (format_printf("%d", ft->wl->idx));
2452 return (NULL);
2453 }
2454
2455 /* Callback for window_last_flag. */
2456 static void *
2457 format_cb_window_last_flag(struct format_tree *ft)
2458 {
2459 if (ft->wl != NULL) {
2460 if (ft->wl == TAILQ_FIRST(&ft->wl->session->lastw))
2461 return (xstrdup("1"));
2462 return (xstrdup("0"));
2463 }
2464 return (NULL);
2465 }
2466
2467 /* Callback for window_linked. */
2468 static void *
2469 format_cb_window_linked(struct format_tree *ft)
2470 {
2471 if (ft->wl != NULL) {
2472 if (session_is_linked(ft->wl->session, ft->wl->window))
2473 return (xstrdup("1"));
2474 return (xstrdup("0"));
2475 }
2476 return (NULL);
2477 }
2478
2479 /* Callback for window_linked_sessions. */
2480 static void *
2481 format_cb_window_linked_sessions(struct format_tree *ft)
2482 {
2483 if (ft->wl != NULL)
2484 return (format_printf("%u", ft->wl->window->references));
2485 return (NULL);
2486 }
2487
2488 /* Callback for window_marked_flag. */
2489 static void *
2490 format_cb_window_marked_flag(struct format_tree *ft)
2491 {
2492 if (ft->wl != NULL) {
2493 if (server_check_marked() && marked_pane.wl == ft->wl)
2494 return (xstrdup("1"));
2495 return (xstrdup("0"));
2496 }
2497 return (NULL);
2498 }
2499
2500 /* Callback for window_name. */
2501 static void *
2502 format_cb_window_name(struct format_tree *ft)
2503 {
2504 if (ft->w != NULL)
2505 return (format_printf("%s", ft->w->name));
2506 return (NULL);
2507 }
2508
2509 /* Callback for window_offset_x. */
2510 static void *
2511 format_cb_window_offset_x(struct format_tree *ft)
2512 {
2513 u_int ox, oy, sx, sy;
2514
2515 if (ft->c != NULL) {
2516 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2517 return (format_printf("%u", ox));
2518 return (NULL);
2519 }
2520 return (NULL);
2521 }
2522
2523 /* Callback for window_offset_y. */
2524 static void *
2525 format_cb_window_offset_y(struct format_tree *ft)
2526 {
2527 u_int ox, oy, sx, sy;
2528
2529 if (ft->c != NULL) {
2530 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2531 return (format_printf("%u", oy));
2532 return (NULL);
2533 }
2534 return (NULL);
2535 }
2536
2537 /* Callback for window_panes. */
2538 static void *
2539 format_cb_window_panes(struct format_tree *ft)
2540 {
2541 if (ft->w != NULL)
2542 return (format_printf("%u", window_count_panes(ft->w)));
2543 return (NULL);
2544 }
2545
2546 /* Callback for window_raw_flags. */
2547 static void *
2548 format_cb_window_raw_flags(struct format_tree *ft)
2549 {
2550 if (ft->wl != NULL)
2551 return (xstrdup(window_printable_flags(ft->wl, 0)));
2552 return (NULL);
2553 }
2554
2555 /* Callback for window_silence_flag. */
2556 static void *
2557 format_cb_window_silence_flag(struct format_tree *ft)
2558 {
2559 if (ft->wl != NULL) {
2560 if (ft->wl->flags & WINLINK_SILENCE)
2561 return (xstrdup("1"));
2562 return (xstrdup("0"));
2563 }
2564 return (NULL);
2565 }
2566
2567 /* Callback for window_start_flag. */
2568 static void *
2569 format_cb_window_start_flag(struct format_tree *ft)
2570 {
2571 if (ft->wl != NULL) {
2572 if (ft->wl == RB_MIN(winlinks, &ft->wl->session->windows))
2573 return (xstrdup("1"));
2574 return (xstrdup("0"));
2575 }
2576 return (NULL);
2577 }
2578
2579 /* Callback for window_width. */
2580 static void *
2581 format_cb_window_width(struct format_tree *ft)
2582 {
2583 if (ft->w != NULL)
2584 return (format_printf("%u", ft->w->sx));
2585 return (NULL);
2586 }
2587
2588 /* Callback for window_zoomed_flag. */
2589 static void *
2590 format_cb_window_zoomed_flag(struct format_tree *ft)
2591 {
2592 if (ft->w != NULL) {
2593 if (ft->w->flags & WINDOW_ZOOMED)
2594 return (xstrdup("1"));
2595 return (xstrdup("0"));
2596 }
2597 return (NULL);
2598 }
2599
2600 /* Callback for wrap_flag. */
2601 static void *
2602 format_cb_wrap_flag(struct format_tree *ft)
2603 {
2604 if (ft->wp != NULL) {
2605 if (ft->wp->base.mode & MODE_WRAP)
2606 return (xstrdup("1"));
2607 return (xstrdup("0"));
2608 }
2609 return (NULL);
2610 }
2611
2612 /* Callback for buffer_created. */
2613 static void *
2614 format_cb_buffer_created(struct format_tree *ft)
2615 {
2616 static struct timeval tv;
2617
2618 if (ft->pb != NULL) {
2619 timerclear(&tv);
2620 tv.tv_sec = paste_buffer_created(ft->pb);
2621 return (&tv);
2622 }
2623 return (NULL);
2624 }
2625
2626 /* Callback for client_activity. */
2627 static void *
2628 format_cb_client_activity(struct format_tree *ft)
2629 {
2630 if (ft->c != NULL)
2631 return (&ft->c->activity_time);
2632 return (NULL);
2633 }
2634
2635 /* Callback for client_created. */
2636 static void *
2637 format_cb_client_created(struct format_tree *ft)
2638 {
2639 if (ft->c != NULL)
2640 return (&ft->c->creation_time);
2641 return (NULL);
2642 }
2643
2644 /* Callback for session_activity. */
2645 static void *
2646 format_cb_session_activity(struct format_tree *ft)
2647 {
2648 if (ft->s != NULL)
2649 return (&ft->s->activity_time);
2650 return (NULL);
2651 }
2652
2653 /* Callback for session_created. */
2654 static void *
2655 format_cb_session_created(struct format_tree *ft)
2656 {
2657 if (ft->s != NULL)
2658 return (&ft->s->creation_time);
2659 return (NULL);
2660 }
2661
2662 /* Callback for session_last_attached. */
2663 static void *
2664 format_cb_session_last_attached(struct format_tree *ft)
2665 {
2666 if (ft->s != NULL)
2667 return (&ft->s->last_attached_time);
2668 return (NULL);
2669 }
2670
2671 /* Callback for start_time. */
2672 static void *
2673 format_cb_start_time(__unused struct format_tree *ft)
2674 {
2675 return (&start_time);
2676 }
2677
2678 /* Callback for window_activity. */
2679 static void *
2680 format_cb_window_activity(struct format_tree *ft)
2681 {
2682 if (ft->w != NULL)
2683 return (&ft->w->activity_time);
2684 return (NULL);
2685 }
2686
2687 /* Callback for buffer_mode_format, */
2688 static void *
2689 format_cb_buffer_mode_format(__unused struct format_tree *ft)
2690 {
2691 return (xstrdup(window_buffer_mode.default_format));
2692 }
2693
2694 /* Callback for client_mode_format, */
2695 static void *
2696 format_cb_client_mode_format(__unused struct format_tree *ft)
2697 {
2698 return (xstrdup(window_client_mode.default_format));
2699 }
2700
2701 /* Callback for tree_mode_format, */
2702 static void *
2703 format_cb_tree_mode_format(__unused struct format_tree *ft)
2704 {
2705 return (xstrdup(window_tree_mode.default_format));
2706 }
2707
2708 /* Callback for uid. */
2709 static void *
2710 format_cb_uid(__unused struct format_tree *ft)
2711 {
2712 return (format_printf("%ld", (long)getuid()));
2713 }
2714
2715 /* Callback for user. */
2716 static void *
2717 format_cb_user(__unused struct format_tree *ft)
2718 {
2719 struct passwd *pw;
2720
2721 if ((pw = getpwuid(getuid())) != NULL)
2722 return (xstrdup(pw->pw_name));
2723 return (NULL);
2724 }
2725
2726 /* Format table type. */
2727 enum format_table_type {
2728 FORMAT_TABLE_STRING,
2729 FORMAT_TABLE_TIME
2730 };
2731
2732 /* Format table entry. */
2733 struct format_table_entry {
2734 const char *key;
2735 enum format_table_type type;
2736 format_cb cb;
2737 };
2738
2739 /*
2740 * Format table. Default format variables (that are almost always in the tree
2741 * and where the value is expanded by a callback in this file) are listed here.
2742 * Only variables which are added by the caller go into the tree.
2743 */
2744 static const struct format_table_entry format_table[] = {
2745 { "active_window_index", FORMAT_TABLE_STRING,
2746 format_cb_active_window_index
2747 },
2748 { "alternate_on", FORMAT_TABLE_STRING,
2749 format_cb_alternate_on
2750 },
2751 { "alternate_saved_x", FORMAT_TABLE_STRING,
2752 format_cb_alternate_saved_x
2753 },
2754 { "alternate_saved_y", FORMAT_TABLE_STRING,
2755 format_cb_alternate_saved_y
2756 },
2757 { "buffer_created", FORMAT_TABLE_TIME,
2758 format_cb_buffer_created
2759 },
2760 { "buffer_mode_format", FORMAT_TABLE_STRING,
2761 format_cb_buffer_mode_format
2762 },
2763 { "buffer_name", FORMAT_TABLE_STRING,
2764 format_cb_buffer_name
2765 },
2766 { "buffer_sample", FORMAT_TABLE_STRING,
2767 format_cb_buffer_sample
2768 },
2769 { "buffer_size", FORMAT_TABLE_STRING,
2770 format_cb_buffer_size
2771 },
2772 { "client_activity", FORMAT_TABLE_TIME,
2773 format_cb_client_activity
2774 },
2775 { "client_cell_height", FORMAT_TABLE_STRING,
2776 format_cb_client_cell_height
2777 },
2778 { "client_cell_width", FORMAT_TABLE_STRING,
2779 format_cb_client_cell_width
2780 },
2781 { "client_control_mode", FORMAT_TABLE_STRING,
2782 format_cb_client_control_mode
2783 },
2784 { "client_created", FORMAT_TABLE_TIME,
2785 format_cb_client_created
2786 },
2787 { "client_discarded", FORMAT_TABLE_STRING,
2788 format_cb_client_discarded
2789 },
2790 { "client_flags", FORMAT_TABLE_STRING,
2791 format_cb_client_flags
2792 },
2793 { "client_height", FORMAT_TABLE_STRING,
2794 format_cb_client_height
2795 },
2796 { "client_key_table", FORMAT_TABLE_STRING,
2797 format_cb_client_key_table
2798 },
2799 { "client_last_session", FORMAT_TABLE_STRING,
2800 format_cb_client_last_session
2801 },
2802 { "client_mode_format", FORMAT_TABLE_STRING,
2803 format_cb_client_mode_format
2804 },
2805 { "client_name", FORMAT_TABLE_STRING,
2806 format_cb_client_name
2807 },
2808 { "client_pid", FORMAT_TABLE_STRING,
2809 format_cb_client_pid
2810 },
2811 { "client_prefix", FORMAT_TABLE_STRING,
2812 format_cb_client_prefix
2813 },
2814 { "client_readonly", FORMAT_TABLE_STRING,
2815 format_cb_client_readonly
2816 },
2817 { "client_session", FORMAT_TABLE_STRING,
2818 format_cb_client_session
2819 },
2820 { "client_termfeatures", FORMAT_TABLE_STRING,
2821 format_cb_client_termfeatures
2822 },
2823 { "client_termname", FORMAT_TABLE_STRING,
2824 format_cb_client_termname
2825 },
2826 { "client_termtype", FORMAT_TABLE_STRING,
2827 format_cb_client_termtype
2828 },
2829 { "client_tty", FORMAT_TABLE_STRING,
2830 format_cb_client_tty
2831 },
2832 { "client_uid", FORMAT_TABLE_STRING,
2833 format_cb_client_uid
2834 },
2835 { "client_user", FORMAT_TABLE_STRING,
2836 format_cb_client_user
2837 },
2838 { "client_utf8", FORMAT_TABLE_STRING,
2839 format_cb_client_utf8
2840 },
2841 { "client_width", FORMAT_TABLE_STRING,
2842 format_cb_client_width
2843 },
2844 { "client_written", FORMAT_TABLE_STRING,
2845 format_cb_client_written
2846 },
2847 { "config_files", FORMAT_TABLE_STRING,
2848 format_cb_config_files
2849 },
2850 { "cursor_character", FORMAT_TABLE_STRING,
2851 format_cb_cursor_character
2852 },
2853 { "cursor_flag", FORMAT_TABLE_STRING,
2854 format_cb_cursor_flag
2855 },
2856 { "cursor_x", FORMAT_TABLE_STRING,
2857 format_cb_cursor_x
2858 },
2859 { "cursor_y", FORMAT_TABLE_STRING,
2860 format_cb_cursor_y
2861 },
2862 { "history_all_bytes", FORMAT_TABLE_STRING,
2863 format_cb_history_all_bytes
2864 },
2865 { "history_bytes", FORMAT_TABLE_STRING,
2866 format_cb_history_bytes
2867 },
2868 { "history_limit", FORMAT_TABLE_STRING,
2869 format_cb_history_limit
2870 },
2871 { "history_size", FORMAT_TABLE_STRING,
2872 format_cb_history_size
2873 },
2874 { "host", FORMAT_TABLE_STRING,
2875 format_cb_host
2876 },
2877 { "host_short", FORMAT_TABLE_STRING,
2878 format_cb_host_short
2879 },
2880 { "insert_flag", FORMAT_TABLE_STRING,
2881 format_cb_insert_flag
2882 },
2883 { "keypad_cursor_flag", FORMAT_TABLE_STRING,
2884 format_cb_keypad_cursor_flag
2885 },
2886 { "keypad_flag", FORMAT_TABLE_STRING,
2887 format_cb_keypad_flag
2888 },
2889 { "last_window_index", FORMAT_TABLE_STRING,
2890 format_cb_last_window_index
2891 },
2892 { "mouse_all_flag", FORMAT_TABLE_STRING,
2893 format_cb_mouse_all_flag
2894 },
2895 { "mouse_any_flag", FORMAT_TABLE_STRING,
2896 format_cb_mouse_any_flag
2897 },
2898 { "mouse_button_flag", FORMAT_TABLE_STRING,
2899 format_cb_mouse_button_flag
2900 },
2901 { "mouse_hyperlink", FORMAT_TABLE_STRING,
2902 format_cb_mouse_hyperlink
2903 },
2904 { "mouse_line", FORMAT_TABLE_STRING,
2905 format_cb_mouse_line
2906 },
2907 { "mouse_pane", FORMAT_TABLE_STRING,
2908 format_cb_mouse_pane
2909 },
2910 { "mouse_sgr_flag", FORMAT_TABLE_STRING,
2911 format_cb_mouse_sgr_flag
2912 },
2913 { "mouse_standard_flag", FORMAT_TABLE_STRING,
2914 format_cb_mouse_standard_flag
2915 },
2916 { "mouse_status_line", FORMAT_TABLE_STRING,
2917 format_cb_mouse_status_line
2918 },
2919 { "mouse_status_range", FORMAT_TABLE_STRING,
2920 format_cb_mouse_status_range
2921 },
2922 { "mouse_utf8_flag", FORMAT_TABLE_STRING,
2923 format_cb_mouse_utf8_flag
2924 },
2925 { "mouse_word", FORMAT_TABLE_STRING,
2926 format_cb_mouse_word
2927 },
2928 { "mouse_x", FORMAT_TABLE_STRING,
2929 format_cb_mouse_x
2930 },
2931 { "mouse_y", FORMAT_TABLE_STRING,
2932 format_cb_mouse_y
2933 },
2934 { "next_session_id", FORMAT_TABLE_STRING,
2935 format_cb_next_session_id
2936 },
2937 { "origin_flag", FORMAT_TABLE_STRING,
2938 format_cb_origin_flag
2939 },
2940 { "pane_active", FORMAT_TABLE_STRING,
2941 format_cb_pane_active
2942 },
2943 { "pane_at_bottom", FORMAT_TABLE_STRING,
2944 format_cb_pane_at_bottom
2945 },
2946 { "pane_at_left", FORMAT_TABLE_STRING,
2947 format_cb_pane_at_left
2948 },
2949 { "pane_at_right", FORMAT_TABLE_STRING,
2950 format_cb_pane_at_right
2951 },
2952 { "pane_at_top", FORMAT_TABLE_STRING,
2953 format_cb_pane_at_top
2954 },
2955 { "pane_bg", FORMAT_TABLE_STRING,
2956 format_cb_pane_bg
2957 },
2958 { "pane_bottom", FORMAT_TABLE_STRING,
2959 format_cb_pane_bottom
2960 },
2961 { "pane_current_command", FORMAT_TABLE_STRING,
2962 format_cb_current_command
2963 },
2964 { "pane_current_path", FORMAT_TABLE_STRING,
2965 format_cb_current_path
2966 },
2967 { "pane_dead", FORMAT_TABLE_STRING,
2968 format_cb_pane_dead
2969 },
2970 { "pane_dead_signal", FORMAT_TABLE_STRING,
2971 format_cb_pane_dead_signal
2972 },
2973 { "pane_dead_status", FORMAT_TABLE_STRING,
2974 format_cb_pane_dead_status
2975 },
2976 { "pane_dead_time", FORMAT_TABLE_TIME,
2977 format_cb_pane_dead_time
2978 },
2979 { "pane_fg", FORMAT_TABLE_STRING,
2980 format_cb_pane_fg
2981 },
2982 { "pane_format", FORMAT_TABLE_STRING,
2983 format_cb_pane_format
2984 },
2985 { "pane_height", FORMAT_TABLE_STRING,
2986 format_cb_pane_height
2987 },
2988 { "pane_id", FORMAT_TABLE_STRING,
2989 format_cb_pane_id
2990 },
2991 { "pane_in_mode", FORMAT_TABLE_STRING,
2992 format_cb_pane_in_mode
2993 },
2994 { "pane_index", FORMAT_TABLE_STRING,
2995 format_cb_pane_index
2996 },
2997 { "pane_input_off", FORMAT_TABLE_STRING,
2998 format_cb_pane_input_off
2999 },
3000 { "pane_last", FORMAT_TABLE_STRING,
3001 format_cb_pane_last
3002 },
3003 { "pane_left", FORMAT_TABLE_STRING,
3004 format_cb_pane_left
3005 },
3006 { "pane_marked", FORMAT_TABLE_STRING,
3007 format_cb_pane_marked
3008 },
3009 { "pane_marked_set", FORMAT_TABLE_STRING,
3010 format_cb_pane_marked_set
3011 },
3012 { "pane_mode", FORMAT_TABLE_STRING,
3013 format_cb_pane_mode
3014 },
3015 { "pane_path", FORMAT_TABLE_STRING,
3016 format_cb_pane_path
3017 },
3018 { "pane_pid", FORMAT_TABLE_STRING,
3019 format_cb_pane_pid
3020 },
3021 { "pane_pipe", FORMAT_TABLE_STRING,
3022 format_cb_pane_pipe
3023 },
3024 { "pane_right", FORMAT_TABLE_STRING,
3025 format_cb_pane_right
3026 },
3027 { "pane_search_string", FORMAT_TABLE_STRING,
3028 format_cb_pane_search_string
3029 },
3030 { "pane_start_command", FORMAT_TABLE_STRING,
3031 format_cb_start_command
3032 },
3033 { "pane_start_path", FORMAT_TABLE_STRING,
3034 format_cb_start_path
3035 },
3036 { "pane_synchronized", FORMAT_TABLE_STRING,
3037 format_cb_pane_synchronized
3038 },
3039 { "pane_tabs", FORMAT_TABLE_STRING,
3040 format_cb_pane_tabs
3041 },
3042 { "pane_title", FORMAT_TABLE_STRING,
3043 format_cb_pane_title
3044 },
3045 { "pane_top", FORMAT_TABLE_STRING,
3046 format_cb_pane_top
3047 },
3048 { "pane_tty", FORMAT_TABLE_STRING,
3049 format_cb_pane_tty
3050 },
3051 { "pane_unseen_changes", FORMAT_TABLE_STRING,
3052 format_cb_pane_unseen_changes
3053 },
3054 { "pane_width", FORMAT_TABLE_STRING,
3055 format_cb_pane_width
3056 },
3057 { "pid", FORMAT_TABLE_STRING,
3058 format_cb_pid
3059 },
3060 { "scroll_region_lower", FORMAT_TABLE_STRING,
3061 format_cb_scroll_region_lower
3062 },
3063 { "scroll_region_upper", FORMAT_TABLE_STRING,
3064 format_cb_scroll_region_upper
3065 },
3066 { "server_sessions", FORMAT_TABLE_STRING,
3067 format_cb_server_sessions
3068 },
3069 { "session_activity", FORMAT_TABLE_TIME,
3070 format_cb_session_activity
3071 },
3072 { "session_alerts", FORMAT_TABLE_STRING,
3073 format_cb_session_alerts
3074 },
3075 { "session_attached", FORMAT_TABLE_STRING,
3076 format_cb_session_attached
3077 },
3078 { "session_attached_list", FORMAT_TABLE_STRING,
3079 format_cb_session_attached_list
3080 },
3081 { "session_created", FORMAT_TABLE_TIME,
3082 format_cb_session_created
3083 },
3084 { "session_format", FORMAT_TABLE_STRING,
3085 format_cb_session_format
3086 },
3087 { "session_group", FORMAT_TABLE_STRING,
3088 format_cb_session_group
3089 },
3090 { "session_group_attached", FORMAT_TABLE_STRING,
3091 format_cb_session_group_attached
3092 },
3093 { "session_group_attached_list", FORMAT_TABLE_STRING,
3094 format_cb_session_group_attached_list
3095 },
3096 { "session_group_list", FORMAT_TABLE_STRING,
3097 format_cb_session_group_list
3098 },
3099 { "session_group_many_attached", FORMAT_TABLE_STRING,
3100 format_cb_session_group_many_attached
3101 },
3102 { "session_group_size", FORMAT_TABLE_STRING,
3103 format_cb_session_group_size
3104 },
3105 { "session_grouped", FORMAT_TABLE_STRING,
3106 format_cb_session_grouped
3107 },
3108 { "session_id", FORMAT_TABLE_STRING,
3109 format_cb_session_id
3110 },
3111 { "session_last_attached", FORMAT_TABLE_TIME,
3112 format_cb_session_last_attached
3113 },
3114 { "session_many_attached", FORMAT_TABLE_STRING,
3115 format_cb_session_many_attached
3116 },
3117 { "session_marked", FORMAT_TABLE_STRING,
3118 format_cb_session_marked,
3119 },
3120 { "session_name", FORMAT_TABLE_STRING,
3121 format_cb_session_name
3122 },
3123 { "session_path", FORMAT_TABLE_STRING,
3124 format_cb_session_path
3125 },
3126 { "session_stack", FORMAT_TABLE_STRING,
3127 format_cb_session_stack
3128 },
3129 { "session_windows", FORMAT_TABLE_STRING,
3130 format_cb_session_windows
3131 },
3132 { "socket_path", FORMAT_TABLE_STRING,
3133 format_cb_socket_path
3134 },
3135 { "start_time", FORMAT_TABLE_TIME,
3136 format_cb_start_time
3137 },
3138 { "tree_mode_format", FORMAT_TABLE_STRING,
3139 format_cb_tree_mode_format
3140 },
3141 { "uid", FORMAT_TABLE_STRING,
3142 format_cb_uid
3143 },
3144 { "user", FORMAT_TABLE_STRING,
3145 format_cb_user
3146 },
3147 { "version", FORMAT_TABLE_STRING,
3148 format_cb_version
3149 },
3150 { "window_active", FORMAT_TABLE_STRING,
3151 format_cb_window_active
3152 },
3153 { "window_active_clients", FORMAT_TABLE_STRING,
3154 format_cb_window_active_clients
3155 },
3156 { "window_active_clients_list", FORMAT_TABLE_STRING,
3157 format_cb_window_active_clients_list
3158 },
3159 { "window_active_sessions", FORMAT_TABLE_STRING,
3160 format_cb_window_active_sessions
3161 },
3162 { "window_active_sessions_list", FORMAT_TABLE_STRING,
3163 format_cb_window_active_sessions_list
3164 },
3165 { "window_activity", FORMAT_TABLE_TIME,
3166 format_cb_window_activity
3167 },
3168 { "window_activity_flag", FORMAT_TABLE_STRING,
3169 format_cb_window_activity_flag
3170 },
3171 { "window_bell_flag", FORMAT_TABLE_STRING,
3172 format_cb_window_bell_flag
3173 },
3174 { "window_bigger", FORMAT_TABLE_STRING,
3175 format_cb_window_bigger
3176 },
3177 { "window_cell_height", FORMAT_TABLE_STRING,
3178 format_cb_window_cell_height
3179 },
3180 { "window_cell_width", FORMAT_TABLE_STRING,
3181 format_cb_window_cell_width
3182 },
3183 { "window_end_flag", FORMAT_TABLE_STRING,
3184 format_cb_window_end_flag
3185 },
3186 { "window_flags", FORMAT_TABLE_STRING,
3187 format_cb_window_flags
3188 },
3189 { "window_format", FORMAT_TABLE_STRING,
3190 format_cb_window_format
3191 },
3192 { "window_height", FORMAT_TABLE_STRING,
3193 format_cb_window_height
3194 },
3195 { "window_id", FORMAT_TABLE_STRING,
3196 format_cb_window_id
3197 },
3198 { "window_index", FORMAT_TABLE_STRING,
3199 format_cb_window_index
3200 },
3201 { "window_last_flag", FORMAT_TABLE_STRING,
3202 format_cb_window_last_flag
3203 },
3204 { "window_layout", FORMAT_TABLE_STRING,
3205 format_cb_window_layout
3206 },
3207 { "window_linked", FORMAT_TABLE_STRING,
3208 format_cb_window_linked
3209 },
3210 { "window_linked_sessions", FORMAT_TABLE_STRING,
3211 format_cb_window_linked_sessions
3212 },
3213 { "window_linked_sessions_list", FORMAT_TABLE_STRING,
3214 format_cb_window_linked_sessions_list
3215 },
3216 { "window_marked_flag", FORMAT_TABLE_STRING,
3217 format_cb_window_marked_flag
3218 },
3219 { "window_name", FORMAT_TABLE_STRING,
3220 format_cb_window_name
3221 },
3222 { "window_offset_x", FORMAT_TABLE_STRING,
3223 format_cb_window_offset_x
3224 },
3225 { "window_offset_y", FORMAT_TABLE_STRING,
3226 format_cb_window_offset_y
3227 },
3228 { "window_panes", FORMAT_TABLE_STRING,
3229 format_cb_window_panes
3230 },
3231 { "window_raw_flags", FORMAT_TABLE_STRING,
3232 format_cb_window_raw_flags
3233 },
3234 { "window_silence_flag", FORMAT_TABLE_STRING,
3235 format_cb_window_silence_flag
3236 },
3237 { "window_stack_index", FORMAT_TABLE_STRING,
3238 format_cb_window_stack_index
3239 },
3240 { "window_start_flag", FORMAT_TABLE_STRING,
3241 format_cb_window_start_flag
3242 },
3243 { "window_visible_layout", FORMAT_TABLE_STRING,
3244 format_cb_window_visible_layout
3245 },
3246 { "window_width", FORMAT_TABLE_STRING,
3247 format_cb_window_width
3248 },
3249 { "window_zoomed_flag", FORMAT_TABLE_STRING,
3250 format_cb_window_zoomed_flag
3251 },
3252 { "wrap_flag", FORMAT_TABLE_STRING,
3253 format_cb_wrap_flag
3254 }
3255 };
3256
3257 /* Compare format table entries. */
3258 static int
3259 format_table_compare(const void *key0, const void *entry0)
3260 {
3261 const char *key = key0;
3262 const struct format_table_entry *entry = entry0;
3263
3264 return (strcmp(key, entry->key));
3265 }
3266
3267 /* Get a format callback. */
3268 static struct format_table_entry *
3269 format_table_get(const char *key)
3270 {
3271 return (bsearch(key, format_table, nitems(format_table),
3272 sizeof *format_table, format_table_compare));
3273 }
3274
3275 /* Merge one format tree into another. */
3276 void
3277 format_merge(struct format_tree *ft, struct format_tree *from)
3278 {
3279 struct format_entry *fe;
3280
3281 RB_FOREACH(fe, format_entry_tree, &from->tree) {
3282 if (fe->value != NULL)
3283 format_add(ft, fe->key, "%s", fe->value);
3284 }
3285 }
3286
3287 /* Get format pane. */
3288 struct window_pane *
3289 format_get_pane(struct format_tree *ft)
3290 {
3291 return (ft->wp);
3292 }
3293
3294 /* Add item bits to tree. */
3295 static void
3296 format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
3297 {
3298 struct key_event *event = cmdq_get_event(item);
3299 struct mouse_event *m = &event->m;
3300
3301 cmdq_merge_formats(item, ft);
3302 memcpy(&ft->m, m, sizeof ft->m);
3303 }
3304
3305 /* Create a new tree. */
3306 struct format_tree *
3307 format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
3308 {
3309 struct format_tree *ft;
3310
3311 ft = xcalloc(1, sizeof *ft);
3312 RB_INIT(&ft->tree);
3313
3314 if (c != NULL) {
3315 ft->client = c;
3316 ft->client->references++;
3317 }
3318 ft->item = item;
3319
3320 ft->tag = tag;
3321 ft->flags = flags;
3322
3323 if (item != NULL)
3324 format_create_add_item(ft, item);
3325
3326 return (ft);
3327 }
3328
3329 /* Free a tree. */
3330 void
3331 format_free(struct format_tree *ft)
3332 {
3333 struct format_entry *fe, *fe1;
3334
3335 RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
3336 RB_REMOVE(format_entry_tree, &ft->tree, fe);
3337 free(fe->value);
3338 free(fe->key);
3339 free(fe);
3340 }
3341
3342 if (ft->client != NULL)
3343 server_client_unref(ft->client);
3344 free(ft);
3345 }
3346
3347 /* Log each format. */
3348 static void
3349 format_log_debug_cb(const char *key, const char *value, void *arg)
3350 {
3351 const char *prefix = arg;
3352
3353 log_debug("%s: %s=%s", prefix, key, value);
3354 }
3355
3356 /* Log a format tree. */
3357 void
3358 format_log_debug(struct format_tree *ft, const char *prefix)
3359 {
3360 format_each(ft, format_log_debug_cb, (void *)prefix);
3361 }
3362
3363 /* Walk each format. */
3364 void
3365 format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
3366 void *), void *arg)
3367 {
3368 const struct format_table_entry *fte;
3369 struct format_entry *fe;
3370 u_int i;
3371 char s[64];
3372 void *value;
3373 struct timeval *tv;
3374
3375 for (i = 0; i < nitems(format_table); i++) {
3376 fte = &format_table[i];
3377
3378 value = fte->cb(ft);
3379 if (value == NULL)
3380 continue;
3381 if (fte->type == FORMAT_TABLE_TIME) {
3382 tv = value;
3383 xsnprintf(s, sizeof s, "%lld", (long long)tv->tv_sec);
3384 cb(fte->key, s, arg);
3385 } else {
3386 cb(fte->key, value, arg);
3387 free(value);
3388 }
3389 }
3390 RB_FOREACH(fe, format_entry_tree, &ft->tree) {
3391 if (fe->time != 0) {
3392 xsnprintf(s, sizeof s, "%lld", (long long)fe->time);
3393 cb(fe->key, s, arg);
3394 } else {
3395 if (fe->value == NULL && fe->cb != NULL) {
3396 fe->value = fe->cb(ft);
3397 if (fe->value == NULL)
3398 fe->value = xstrdup("");
3399 }
3400 cb(fe->key, fe->value, arg);
3401 }
3402 }
3403 }
3404
3405 /* Add a key-value pair. */
3406 void
3407 format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
3408 {
3409 struct format_entry *fe;
3410 struct format_entry *fe_now;
3411 va_list ap;
3412
3413 fe = xmalloc(sizeof *fe);
3414 fe->key = xstrdup(key);
3415
3416 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3417 if (fe_now != NULL) {
3418 free(fe->key);
3419 free(fe);
3420 free(fe_now->value);
3421 fe = fe_now;
3422 }
3423
3424 fe->cb = NULL;
3425 fe->time = 0;
3426
3427 va_start(ap, fmt);
3428 xvasprintf(&fe->value, fmt, ap);
3429 va_end(ap);
3430 }
3431
3432 /* Add a key and time. */
3433 void
3434 format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
3435 {
3436 struct format_entry *fe, *fe_now;
3437
3438 fe = xmalloc(sizeof *fe);
3439 fe->key = xstrdup(key);
3440
3441 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3442 if (fe_now != NULL) {
3443 free(fe->key);
3444 free(fe);
3445 free(fe_now->value);
3446 fe = fe_now;
3447 }
3448
3449 fe->cb = NULL;
3450 fe->time = tv->tv_sec;
3451
3452 fe->value = NULL;
3453 }
3454
3455 /* Add a key and function. */
3456 void
3457 format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
3458 {
3459 struct format_entry *fe;
3460 struct format_entry *fe_now;
3461
3462 fe = xmalloc(sizeof *fe);
3463 fe->key = xstrdup(key);
3464
3465 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3466 if (fe_now != NULL) {
3467 free(fe->key);
3468 free(fe);
3469 free(fe_now->value);
3470 fe = fe_now;
3471 }
3472
3473 fe->cb = cb;
3474 fe->time = 0;
3475
3476 fe->value = NULL;
3477 }
3478
3479 /* Quote shell special characters in string. */
3480 static char *
3481 format_quote_shell(const char *s)
3482 {
3483 const char *cp;
3484 char *out, *at;
3485
3486 at = out = xmalloc(strlen(s) * 2 + 1);
3487 for (cp = s; *cp != '\0'; cp++) {
3488 if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
3489 *at++ = '\\';
3490 *at++ = *cp;
3491 }
3492 *at = '\0';
3493 return (out);
3494 }
3495
3496 /* Quote #s in string. */
3497 static char *
3498 format_quote_style(const char *s)
3499 {
3500 const char *cp;
3501 char *out, *at;
3502
3503 at = out = xmalloc(strlen(s) * 2 + 1);
3504 for (cp = s; *cp != '\0'; cp++) {
3505 if (*cp == '#')
3506 *at++ = '#';
3507 *at++ = *cp;
3508 }
3509 *at = '\0';
3510 return (out);
3511 }
3512
3513 /* Make a prettier time. */
3514 char *
3515 format_pretty_time(time_t t, int seconds)
3516 {
3517 struct tm now_tm, tm;
3518 time_t now, age;
3519 char s[9];
3520
3521 time(&now);
3522 if (now < t)
3523 now = t;
3524 age = now - t;
3525
3526 localtime_r(&now, &now_tm);
3527 localtime_r(&t, &tm);
3528
3529 /* Last 24 hours. */
3530 if (age < 24 * 3600) {
3531 if (seconds)
3532 strftime(s, sizeof s, "%H:%M:%S", &tm);
3533 else
3534 strftime(s, sizeof s, "%H:%M", &tm);
3535 return (xstrdup(s));
3536 }
3537
3538 /* This month or last 28 days. */
3539 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon == now_tm.tm_mon) ||
3540 age < 28 * 24 * 3600) {
3541 strftime(s, sizeof s, "%a%d", &tm);
3542 return (xstrdup(s));
3543 }
3544
3545 /* Last 12 months. */
3546 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon < now_tm.tm_mon) ||
3547 (tm.tm_year == now_tm.tm_year - 1 && tm.tm_mon > now_tm.tm_mon)) {
3548 strftime(s, sizeof s, "%d%b", &tm);
3549 return (xstrdup(s));
3550 }
3551
3552 /* Older than that. */
3553 strftime(s, sizeof s, "%h%y", &tm);
3554 return (xstrdup(s));
3555 }
3556
3557 /* Find a format entry. */
3558 static char *
3559 format_find(struct format_tree *ft, const char *key, int modifiers,
3560 const char *time_format)
3561 {
3562 struct format_table_entry *fte;
3563 void *value;
3564 struct format_entry *fe, fe_find;
3565 struct environ_entry *envent;
3566 struct options_entry *o;
3567 int idx;
3568 char *found = NULL, *saved, s[512];
3569 const char *errstr;
3570 time_t t = 0;
3571 struct tm tm;
3572
3573 o = options_parse_get(global_options, key, &idx, 0);
3574 if (o == NULL && ft->wp != NULL)
3575 o = options_parse_get(ft->wp->options, key, &idx, 0);
3576 if (o == NULL && ft->w != NULL)
3577 o = options_parse_get(ft->w->options, key, &idx, 0);
3578 if (o == NULL)
3579 o = options_parse_get(global_w_options, key, &idx, 0);
3580 if (o == NULL && ft->s != NULL)
3581 o = options_parse_get(ft->s->options, key, &idx, 0);
3582 if (o == NULL)
3583 o = options_parse_get(global_s_options, key, &idx, 0);
3584 if (o != NULL) {
3585 found = options_to_string(o, idx, 1);
3586 goto found;
3587 }
3588
3589 fte = format_table_get(key);
3590 if (fte != NULL) {
3591 value = fte->cb(ft);
3592 if (fte->type == FORMAT_TABLE_TIME && value != NULL)
3593 t = ((struct timeval *)value)->tv_sec;
3594 else
3595 found = value;
3596 goto found;
3597 }
3598 fe_find.key = (char *)key;
3599 fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
3600 if (fe != NULL) {
3601 if (fe->time != 0) {
3602 t = fe->time;
3603 goto found;
3604 }
3605 if (fe->value == NULL && fe->cb != NULL) {
3606 fe->value = fe->cb(ft);
3607 if (fe->value == NULL)
3608 fe->value = xstrdup("");
3609 }
3610 found = xstrdup(fe->value);
3611 goto found;
3612 }
3613
3614 if (~modifiers & FORMAT_TIMESTRING) {
3615 envent = NULL;
3616 if (ft->s != NULL)
3617 envent = environ_find(ft->s->environ, key);
3618 if (envent == NULL)
3619 envent = environ_find(global_environ, key);
3620 if (envent != NULL && envent->value != NULL) {
3621 found = xstrdup(envent->value);
3622 goto found;
3623 }
3624 }
3625
3626 return (NULL);
3627
3628 found:
3629 if (modifiers & FORMAT_TIMESTRING) {
3630 if (t == 0 && found != NULL) {
3631 t = strtonum(found, 0, INT64_MAX, &errstr);
3632 if (errstr != NULL)
3633 t = 0;
3634 free(found);
3635 }
3636 if (t == 0)
3637 return (NULL);
3638 if (modifiers & FORMAT_PRETTY)
3639 found = format_pretty_time(t, 0);
3640 else {
3641 if (time_format != NULL) {
3642 localtime_r(&t, &tm);
3643 strftime(s, sizeof s, time_format, &tm);
3644 } else {
3645 ctime_r(&t, s);
3646 s[strcspn(s, "\n")] = '\0';
3647 }
3648 found = xstrdup(s);
3649 }
3650 return (found);
3651 }
3652
3653 if (t != 0)
3654 xasprintf(&found, "%lld", (long long)t);
3655 else if (found == NULL)
3656 return (NULL);
3657 if (modifiers & FORMAT_BASENAME) {
3658 saved = found;
3659 found = xstrdup(basename(saved));
3660 free(saved);
3661 }
3662 if (modifiers & FORMAT_DIRNAME) {
3663 saved = found;
3664 found = xstrdup(dirname(saved));
3665 free(saved);
3666 }
3667 if (modifiers & FORMAT_QUOTE_SHELL) {
3668 saved = found;
3669 found = format_quote_shell(saved);
3670 free(saved);
3671 }
3672 if (modifiers & FORMAT_QUOTE_STYLE) {
3673 saved = found;
3674 found = format_quote_style(saved);
3675 free(saved);
3676 }
3677 return (found);
3678 }
3679
3680 /* Unescape escaped characters. */
3681 static char *
3682 format_unescape(const char *s)
3683 {
3684 char *out, *cp;
3685 int brackets = 0;
3686
3687 cp = out = xmalloc(strlen(s) + 1);
3688 for (; *s != '\0'; s++) {
3689 if (*s == '#' && s[1] == '{')
3690 brackets++;
3691 if (brackets == 0 &&
3692 *s == '#' &&
3693 strchr(",#{}:", s[1]) != NULL) {
3694 *cp++ = *++s;
3695 continue;
3696 }
3697 if (*s == '}')
3698 brackets--;
3699 *cp++ = *s;
3700 }
3701 *cp = '\0';
3702 return (out);
3703 }
3704
3705 /* Remove escaped characters. */
3706 static char *
3707 format_strip(const char *s)
3708 {
3709 char *out, *cp;
3710 int brackets = 0;
3711
3712 cp = out = xmalloc(strlen(s) + 1);
3713 for (; *s != '\0'; s++) {
3714 if (*s == '#' && s[1] == '{')
3715 brackets++;
3716 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3717 if (brackets != 0)
3718 *cp++ = *s;
3719 continue;
3720 }
3721 if (*s == '}')
3722 brackets--;
3723 *cp++ = *s;
3724 }
3725 *cp = '\0';
3726 return (out);
3727 }
3728
3729 /* Skip until end. */
3730 const char *
3731 format_skip(const char *s, const char *end)
3732 {
3733 int brackets = 0;
3734
3735 for (; *s != '\0'; s++) {
3736 if (*s == '#' && s[1] == '{')
3737 brackets++;
3738 if (*s == '#' &&
3739 s[1] != '\0' &&
3740 strchr(",#{}:", s[1]) != NULL) {
3741 s++;
3742 continue;
3743 }
3744 if (*s == '}')
3745 brackets--;
3746 if (strchr(end, *s) != NULL && brackets == 0)
3747 break;
3748 }
3749 if (*s == '\0')
3750 return (NULL);
3751 return (s);
3752 }
3753
3754 /* Return left and right alternatives separated by commas. */
3755 static int
3756 format_choose(struct format_expand_state *es, const char *s, char **left,
3757 char **right, int expand)
3758 {
3759 const char *cp;
3760 char *left0, *right0;
3761
3762 cp = format_skip(s, ",");
3763 if (cp == NULL)
3764 return (-1);
3765 left0 = xstrndup(s, cp - s);
3766 right0 = xstrdup(cp + 1);
3767
3768 if (expand) {
3769 *left = format_expand1(es, left0);
3770 free(left0);
3771 *right = format_expand1(es, right0);
3772 free(right0);
3773 } else {
3774 *left = left0;
3775 *right = right0;
3776 }
3777 return (0);
3778 }
3779
3780 /* Is this true? */
3781 int
3782 format_true(const char *s)
3783 {
3784 if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
3785 return (1);
3786 return (0);
3787 }
3788
3789 /* Check if modifier end. */
3790 static int
3791 format_is_end(char c)
3792 {
3793 return (c == ';' || c == ':');
3794 }
3795
3796 /* Add to modifier list. */
3797 static void
3798 format_add_modifier(struct format_modifier **list, u_int *count,
3799 const char *c, size_t n, char **argv, int argc)
3800 {
3801 struct format_modifier *fm;
3802
3803 *list = xreallocarray(*list, (*count) + 1, sizeof **list);
3804 fm = &(*list)[(*count)++];
3805
3806 memcpy(fm->modifier, c, n);
3807 fm->modifier[n] = '\0';
3808 fm->size = n;
3809
3810 fm->argv = argv;
3811 fm->argc = argc;
3812 }
3813
3814 /* Free modifier list. */
3815 static void
3816 format_free_modifiers(struct format_modifier *list, u_int count)
3817 {
3818 u_int i;
3819
3820 for (i = 0; i < count; i++)
3821 cmd_free_argv(list[i].argc, list[i].argv);
3822 free(list);
3823 }
3824
3825 /* Build modifier list. */
3826 static struct format_modifier *
3827 format_build_modifiers(struct format_expand_state *es, const char **s,
3828 u_int *count)
3829 {
3830 const char *cp = *s, *end;
3831 struct format_modifier *list = NULL;
3832 char c, last[] = "X;:", **argv, *value;
3833 int argc;
3834
3835 /*
3836 * Modifiers are a ; separated list of the forms:
3837 * l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,<,>
3838 * =a
3839 * =/a
3840 * =/a/
3841 * s/a/b/
3842 * s/a/b
3843 * ||,&&,!=,==,<=,>=
3844 */
3845
3846 *count = 0;
3847
3848 while (*cp != '\0' && *cp != ':') {
3849 /* Skip any separator character. */
3850 if (*cp == ';')
3851 cp++;
3852
3853 /* Check single character modifiers with no arguments. */
3854 if (strchr("labcdnwETSWPL<>", cp[0]) != NULL &&
3855 format_is_end(cp[1])) {
3856 format_add_modifier(&list, count, cp, 1, NULL, 0);
3857 cp++;
3858 continue;
3859 }
3860
3861 /* Then try double character with no arguments. */
3862 if ((memcmp("||", cp, 2) == 0 ||
3863 memcmp("&&", cp, 2) == 0 ||
3864 memcmp("!=", cp, 2) == 0 ||
3865 memcmp("==", cp, 2) == 0 ||
3866 memcmp("<=", cp, 2) == 0 ||
3867 memcmp(">=", cp, 2) == 0) &&
3868 format_is_end(cp[2])) {
3869 format_add_modifier(&list, count, cp, 2, NULL, 0);
3870 cp += 2;
3871 continue;
3872 }
3873
3874 /* Now try single character with arguments. */
3875 if (strchr("mCNst=peq", cp[0]) == NULL)
3876 break;
3877 c = cp[0];
3878
3879 /* No arguments provided. */
3880 if (format_is_end(cp[1])) {
3881 format_add_modifier(&list, count, cp, 1, NULL, 0);
3882 cp++;
3883 continue;
3884 }
3885 argv = NULL;
3886 argc = 0;
3887
3888 /* Single argument with no wrapper character. */
3889 if (!ispunct((u_char)cp[1]) || cp[1] == '-') {
3890 end = format_skip(cp + 1, ":;");
3891 if (end == NULL)
3892 break;
3893
3894 argv = xcalloc(1, sizeof *argv);
3895 value = xstrndup(cp + 1, end - (cp + 1));
3896 argv[0] = format_expand1(es, value);
3897 free(value);
3898 argc = 1;
3899
3900 format_add_modifier(&list, count, &c, 1, argv, argc);
3901 cp = end;
3902 continue;
3903 }
3904
3905 /* Multiple arguments with a wrapper character. */
3906 last[0] = cp[1];
3907 cp++;
3908 do {
3909 if (cp[0] == last[0] && format_is_end(cp[1])) {
3910 cp++;
3911 break;
3912 }
3913 end = format_skip(cp + 1, last);
3914 if (end == NULL)
3915 break;
3916 cp++;
3917
3918 argv = xreallocarray(argv, argc + 1, sizeof *argv);
3919 value = xstrndup(cp, end - cp);
3920 argv[argc++] = format_expand1(es, value);
3921 free(value);
3922
3923 cp = end;
3924 } while (!format_is_end(cp[0]));
3925 format_add_modifier(&list, count, &c, 1, argv, argc);
3926 }
3927 if (*cp != ':') {
3928 format_free_modifiers(list, *count);
3929 *count = 0;
3930 return (NULL);
3931 }
3932 *s = cp + 1;
3933 return (list);
3934 }
3935
3936 /* Match against an fnmatch(3) pattern or regular expression. */
3937 static char *
3938 format_match(struct format_modifier *fm, const char *pattern, const char *text)
3939 {
3940 const char *s = "";
3941 regex_t r;
3942 int flags = 0;
3943
3944 if (fm->argc >= 1)
3945 s = fm->argv[0];
3946 if (strchr(s, 'r') == NULL) {
3947 if (strchr(s, 'i') != NULL)
3948 flags |= FNM_CASEFOLD;
3949 if (fnmatch(pattern, text, flags) != 0)
3950 return (xstrdup("0"));
3951 } else {
3952 flags = REG_EXTENDED|REG_NOSUB;
3953 if (strchr(s, 'i') != NULL)
3954 flags |= REG_ICASE;
3955 if (regcomp(&r, pattern, flags) != 0)
3956 return (xstrdup("0"));
3957 if (regexec(&r, text, 0, NULL, 0) != 0) {
3958 regfree(&r);
3959 return (xstrdup("0"));
3960 }
3961 regfree(&r);
3962 }
3963 return (xstrdup("1"));
3964 }
3965
3966 /* Perform substitution in string. */
3967 static char *
3968 format_sub(struct format_modifier *fm, const char *text, const char *pattern,
3969 const char *with)
3970 {
3971 char *value;
3972 int flags = REG_EXTENDED;
3973
3974 if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
3975 flags |= REG_ICASE;
3976 value = regsub(pattern, with, text, flags);
3977 if (value == NULL)
3978 return (xstrdup(text));
3979 return (value);
3980 }
3981
3982 /* Search inside pane. */
3983 static char *
3984 format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
3985 {
3986 int ignore = 0, regex = 0;
3987 char *value;
3988
3989 if (fm->argc >= 1) {
3990 if (strchr(fm->argv[0], 'i') != NULL)
3991 ignore = 1;
3992 if (strchr(fm->argv[0], 'r') != NULL)
3993 regex = 1;
3994 }
3995 xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
3996 return (value);
3997 }
3998
3999 /* Does session name exist? */
4000 static char *
4001 format_session_name(struct format_expand_state *es, const char *fmt)
4002 {
4003 char *name;
4004 struct session *s;
4005
4006 name = format_expand1(es, fmt);
4007 RB_FOREACH(s, sessions, &sessions) {
4008 if (strcmp(s->name, name) == 0) {
4009 free(name);
4010 return (xstrdup("1"));
4011 }
4012 }
4013 free(name);
4014 return (xstrdup("0"));
4015 }
4016
4017 /* Loop over sessions. */
4018 static char *
4019 format_loop_sessions(struct format_expand_state *es, const char *fmt)
4020 {
4021 struct format_tree *ft = es->ft;
4022 struct client *c = ft->client;
4023 struct cmdq_item *item = ft->item;
4024 struct format_tree *nft;
4025 struct format_expand_state next;
4026 char *expanded, *value;
4027 size_t valuelen;
4028 struct session *s;
4029
4030 value = xcalloc(1, 1);
4031 valuelen = 1;
4032
4033 RB_FOREACH(s, sessions, &sessions) {
4034 format_log(es, "session loop: $%u", s->id);
4035 nft = format_create(c, item, FORMAT_NONE, ft->flags);
4036 format_defaults(nft, ft->c, s, NULL, NULL);
4037 format_copy_state(&next, es, 0);
4038 next.ft = nft;
4039 expanded = format_expand1(&next, fmt);
4040 format_free(next.ft);
4041
4042 valuelen += strlen(expanded);
4043 value = xrealloc(value, valuelen);
4044
4045 strlcat(value, expanded, valuelen);
4046 free(expanded);
4047 }
4048
4049 return (value);
4050 }
4051
4052 /* Does window name exist? */
4053 static char *
4054 format_window_name(struct format_expand_state *es, const char *fmt)
4055 {
4056 struct format_tree *ft = es->ft;
4057 char *name;
4058 struct winlink *wl;
4059
4060 if (ft->s == NULL) {
4061 format_log(es, "window name but no session");
4062 return (NULL);
4063 }
4064
4065 name = format_expand1(es, fmt);
4066 RB_FOREACH(wl, winlinks, &ft->s->windows) {
4067 if (strcmp(wl->window->name, name) == 0) {
4068 free(name);
4069 return (xstrdup("1"));
4070 }
4071 }
4072 free(name);
4073 return (xstrdup("0"));
4074 }
4075
4076 /* Loop over windows. */
4077 static char *
4078 format_loop_windows(struct format_expand_state *es, const char *fmt)
4079 {
4080 struct format_tree *ft = es->ft;
4081 struct client *c = ft->client;
4082 struct cmdq_item *item = ft->item;
4083 struct format_tree *nft;
4084 struct format_expand_state next;
4085 char *all, *active, *use, *expanded, *value;
4086 size_t valuelen;
4087 struct winlink *wl;
4088 struct window *w;
4089
4090 if (ft->s == NULL) {
4091 format_log(es, "window loop but no session");
4092 return (NULL);
4093 }
4094
4095 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4096 all = xstrdup(fmt);
4097 active = NULL;
4098 }
4099
4100 value = xcalloc(1, 1);
4101 valuelen = 1;
4102
4103 RB_FOREACH(wl, winlinks, &ft->s->windows) {
4104 w = wl->window;
4105 format_log(es, "window loop: %u @%u", wl->idx, w->id);
4106 if (active != NULL && wl == ft->s->curw)
4107 use = active;
4108 else
4109 use = all;
4110 nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
4111 format_defaults(nft, ft->c, ft->s, wl, NULL);
4112 format_copy_state(&next, es, 0);
4113 next.ft = nft;
4114 expanded = format_expand1(&next, use);
4115 format_free(nft);
4116
4117 valuelen += strlen(expanded);
4118 value = xrealloc(value, valuelen);
4119
4120 strlcat(value, expanded, valuelen);
4121 free(expanded);
4122 }
4123
4124 free(active);
4125 free(all);
4126
4127 return (value);
4128 }
4129
4130 /* Loop over panes. */
4131 static char *
4132 format_loop_panes(struct format_expand_state *es, const char *fmt)
4133 {
4134 struct format_tree *ft = es->ft;
4135 struct client *c = ft->client;
4136 struct cmdq_item *item = ft->item;
4137 struct format_tree *nft;
4138 struct format_expand_state next;
4139 char *all, *active, *use, *expanded, *value;
4140 size_t valuelen;
4141 struct window_pane *wp;
4142
4143 if (ft->w == NULL) {
4144 format_log(es, "pane loop but no window");
4145 return (NULL);
4146 }
4147
4148 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4149 all = xstrdup(fmt);
4150 active = NULL;
4151 }
4152
4153 value = xcalloc(1, 1);
4154 valuelen = 1;
4155
4156 TAILQ_FOREACH(wp, &ft->w->panes, entry) {
4157 format_log(es, "pane loop: %%%u", wp->id);
4158 if (active != NULL && wp == ft->w->active)
4159 use = active;
4160 else
4161 use = all;
4162 nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
4163 format_defaults(nft, ft->c, ft->s, ft->wl, wp);
4164 format_copy_state(&next, es, 0);
4165 next.ft = nft;
4166 expanded = format_expand1(&next, use);
4167 format_free(nft);
4168
4169 valuelen += strlen(expanded);
4170 value = xrealloc(value, valuelen);
4171
4172 strlcat(value, expanded, valuelen);
4173 free(expanded);
4174 }
4175
4176 free(active);
4177 free(all);
4178
4179 return (value);
4180 }
4181
4182 /* Loop over clients. */
4183 static char *
4184 format_loop_clients(struct format_expand_state *es, const char *fmt)
4185 {
4186 struct format_tree *ft = es->ft;
4187 struct client *c;
4188 struct cmdq_item *item = ft->item;
4189 struct format_tree *nft;
4190 struct format_expand_state next;
4191 char *expanded, *value;
4192 size_t valuelen;
4193
4194 value = xcalloc(1, 1);
4195 valuelen = 1;
4196
4197 TAILQ_FOREACH(c, &clients, entry) {
4198 format_log(es, "client loop: %s", c->name);
4199 nft = format_create(c, item, 0, ft->flags);
4200 format_defaults(nft, c, ft->s, ft->wl, ft->wp);
4201 format_copy_state(&next, es, 0);
4202 next.ft = nft;
4203 expanded = format_expand1(&next, fmt);
4204 format_free(nft);
4205
4206 valuelen += strlen(expanded);
4207 value = xrealloc(value, valuelen);
4208
4209 strlcat(value, expanded, valuelen);
4210 free(expanded);
4211 }
4212
4213 return (value);
4214 }
4215
4216 static char *
4217 format_replace_expression(struct format_modifier *mexp,
4218 struct format_expand_state *es, const char *copy)
4219 {
4220 int argc = mexp->argc;
4221 const char *errstr;
4222 char *endch, *value, *left = NULL, *right = NULL;
4223 int use_fp = 0;
4224 u_int prec = 0;
4225 double mleft, mright, result;
4226 enum { ADD,
4227 SUBTRACT,
4228 MULTIPLY,
4229 DIVIDE,
4230 MODULUS,
4231 EQUAL,
4232 NOT_EQUAL,
4233 GREATER_THAN,
4234 GREATER_THAN_EQUAL,
4235 LESS_THAN,
4236 LESS_THAN_EQUAL } operator;
4237
4238 if (strcmp(mexp->argv[0], "+") == 0)
4239 operator = ADD;
4240 else if (strcmp(mexp->argv[0], "-") == 0)
4241 operator = SUBTRACT;
4242 else if (strcmp(mexp->argv[0], "*") == 0)
4243 operator = MULTIPLY;
4244 else if (strcmp(mexp->argv[0], "/") == 0)
4245 operator = DIVIDE;
4246 else if (strcmp(mexp->argv[0], "%") == 0 ||
4247 strcmp(mexp->argv[0], "m") == 0)
4248 operator = MODULUS;
4249 else if (strcmp(mexp->argv[0], "==") == 0)
4250 operator = EQUAL;
4251 else if (strcmp(mexp->argv[0], "!=") == 0)
4252 operator = NOT_EQUAL;
4253 else if (strcmp(mexp->argv[0], ">") == 0)
4254 operator = GREATER_THAN;
4255 else if (strcmp(mexp->argv[0], "<") == 0)
4256 operator = LESS_THAN;
4257 else if (strcmp(mexp->argv[0], ">=") == 0)
4258 operator = GREATER_THAN_EQUAL;
4259 else if (strcmp(mexp->argv[0], "<=") == 0)
4260 operator = LESS_THAN_EQUAL;
4261 else {
4262 format_log(es, "expression has no valid operator: '%s'",
4263 mexp->argv[0]);
4264 goto fail;
4265 }
4266
4267 /* The second argument may be flags. */
4268 if (argc >= 2 && strchr(mexp->argv[1], 'f') != NULL) {
4269 use_fp = 1;
4270 prec = 2;
4271 }
4272
4273 /* The third argument may be precision. */
4274 if (argc >= 3) {
4275 prec = strtonum(mexp->argv[2], INT_MIN, INT_MAX, &errstr);
4276 if (errstr != NULL) {
4277 format_log(es, "expression precision %s: %s", errstr,
4278 mexp->argv[2]);
4279 goto fail;
4280 }
4281 }
4282
4283 if (format_choose(es, copy, &left, &right, 1) != 0) {
4284 format_log(es, "expression syntax error");
4285 goto fail;
4286 }
4287
4288 mleft = strtod(left, &endch);
4289 if (*endch != '\0') {
4290 format_log(es, "expression left side is invalid: %s", left);
4291 goto fail;
4292 }
4293
4294 mright = strtod(right, &endch);
4295 if (*endch != '\0') {
4296 format_log(es, "expression right side is invalid: %s", right);
4297 goto fail;
4298 }
4299
4300 if (!use_fp) {
4301 mleft = (long long)mleft;
4302 mright = (long long)mright;
4303 }
4304 format_log(es, "expression left side is: %.*f", prec, mleft);
4305 format_log(es, "expression right side is: %.*f", prec, mright);
4306
4307 switch (operator) {
4308 case ADD:
4309 result = mleft + mright;
4310 break;
4311 case SUBTRACT:
4312 result = mleft - mright;
4313 break;
4314 case MULTIPLY:
4315 result = mleft * mright;
4316 break;
4317 case DIVIDE:
4318 result = mleft / mright;
4319 break;
4320 case MODULUS:
4321 result = fmod(mleft, mright);
4322 break;
4323 case EQUAL:
4324 result = fabs(mleft - mright) < 1e-9;
4325 break;
4326 case NOT_EQUAL:
4327 result = fabs(mleft - mright) > 1e-9;
4328 break;
4329 case GREATER_THAN:
4330 result = (mleft > mright);
4331 break;
4332 case GREATER_THAN_EQUAL:
4333 result = (mleft >= mright);
4334 break;
4335 case LESS_THAN:
4336 result = (mleft < mright);
4337 break;
4338 case LESS_THAN_EQUAL:
4339 result = (mleft <= mright);
4340 break;
4341 }
4342 if (use_fp)
4343 xasprintf(&value, "%.*f", prec, result);
4344 else
4345 xasprintf(&value, "%.*f", prec, (double)(long long)result);
4346 format_log(es, "expression result is %s", value);
4347
4348 free(right);
4349 free(left);
4350 return (value);
4351
4352 fail:
4353 free(right);
4354 free(left);
4355 return (NULL);
4356 }
4357
4358 /* Replace a key. */
4359 static int
4360 format_replace(struct format_expand_state *es, const char *key, size_t keylen,
4361 char **buf, size_t *len, size_t *off)
4362 {
4363 struct format_tree *ft = es->ft;
4364 struct window_pane *wp = ft->wp;
4365 const char *errstr, *copy, *cp, *marker = NULL;
4366 const char *time_format = NULL;
4367 char *copy0, *condition, *found, *new;
4368 char *value, *left, *right;
4369 size_t valuelen;
4370 int modifiers = 0, limit = 0, width = 0;
4371 int j, c;
4372 struct format_modifier *list, *cmp = NULL, *search = NULL;
4373 struct format_modifier **sub = NULL, *mexp = NULL, *fm;
4374 u_int i, count, nsub = 0;
4375 struct format_expand_state next;
4376
4377 /* Make a copy of the key. */
4378 copy = copy0 = xstrndup(key, keylen);
4379
4380 /* Process modifier list. */
4381 list = format_build_modifiers(es, &copy, &count);
4382 for (i = 0; i < count; i++) {
4383 fm = &list[i];
4384 if (format_logging(ft)) {
4385 format_log(es, "modifier %u is %s", i, fm->modifier);
4386 for (j = 0; j < fm->argc; j++) {
4387 format_log(es, "modifier %u argument %d: %s", i,
4388 j, fm->argv[j]);
4389 }
4390 }
4391 if (fm->size == 1) {
4392 switch (fm->modifier[0]) {
4393 case 'm':
4394 case '<':
4395 case '>':
4396 cmp = fm;
4397 break;
4398 case 'C':
4399 search = fm;
4400 break;
4401 case 's':
4402 if (fm->argc < 2)
4403 break;
4404 sub = xreallocarray(sub, nsub + 1, sizeof *sub);
4405 sub[nsub++] = fm;
4406 break;
4407 case '=':
4408 if (fm->argc < 1)
4409 break;
4410 limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4411 &errstr);
4412 if (errstr != NULL)
4413 limit = 0;
4414 if (fm->argc >= 2 && fm->argv[1] != NULL)
4415 marker = fm->argv[1];
4416 break;
4417 case 'p':
4418 if (fm->argc < 1)
4419 break;
4420 width = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4421 &errstr);
4422 if (errstr != NULL)
4423 width = 0;
4424 break;
4425 case 'w':
4426 modifiers |= FORMAT_WIDTH;
4427 break;
4428 case 'e':
4429 if (fm->argc < 1 || fm->argc > 3)
4430 break;
4431 mexp = fm;
4432 break;
4433 case 'l':
4434 modifiers |= FORMAT_LITERAL;
4435 break;
4436 case 'a':
4437 modifiers |= FORMAT_CHARACTER;
4438 break;
4439 case 'b':
4440 modifiers |= FORMAT_BASENAME;
4441 break;
4442 case 'c':
4443 modifiers |= FORMAT_COLOUR;
4444 break;
4445 case 'd':
4446 modifiers |= FORMAT_DIRNAME;
4447 break;
4448 case 'n':
4449 modifiers |= FORMAT_LENGTH;
4450 break;
4451 case 't':
4452 modifiers |= FORMAT_TIMESTRING;
4453 if (fm->argc < 1)
4454 break;
4455 if (strchr(fm->argv[0], 'p') != NULL)
4456 modifiers |= FORMAT_PRETTY;
4457 else if (fm->argc >= 2 &&
4458 strchr(fm->argv[0], 'f') != NULL)
4459 time_format = format_strip(fm->argv[1]);
4460 break;
4461 case 'q':
4462 if (fm->argc < 1)
4463 modifiers |= FORMAT_QUOTE_SHELL;
4464 else if (strchr(fm->argv[0], 'e') != NULL ||
4465 strchr(fm->argv[0], 'h') != NULL)
4466 modifiers |= FORMAT_QUOTE_STYLE;
4467 break;
4468 case 'E':
4469 modifiers |= FORMAT_EXPAND;
4470 break;
4471 case 'T':
4472 modifiers |= FORMAT_EXPANDTIME;
4473 break;
4474 case 'N':
4475 if (fm->argc < 1 ||
4476 strchr(fm->argv[0], 'w') != NULL)
4477 modifiers |= FORMAT_WINDOW_NAME;
4478 else if (strchr(fm->argv[0], 's') != NULL)
4479 modifiers |= FORMAT_SESSION_NAME;
4480 break;
4481 case 'S':
4482 modifiers |= FORMAT_SESSIONS;
4483 break;
4484 case 'W':
4485 modifiers |= FORMAT_WINDOWS;
4486 break;
4487 case 'P':
4488 modifiers |= FORMAT_PANES;
4489 break;
4490 case 'L':
4491 modifiers |= FORMAT_CLIENTS;
4492 break;
4493 }
4494 } else if (fm->size == 2) {
4495 if (strcmp(fm->modifier, "||") == 0 ||
4496 strcmp(fm->modifier, "&&") == 0 ||
4497 strcmp(fm->modifier, "==") == 0 ||
4498 strcmp(fm->modifier, "!=") == 0 ||
4499 strcmp(fm->modifier, ">=") == 0 ||
4500 strcmp(fm->modifier, "<=") == 0)
4501 cmp = fm;
4502 }
4503 }
4504
4505 /* Is this a literal string? */
4506 if (modifiers & FORMAT_LITERAL) {
4507 format_log(es, "literal string is '%s'", copy);
4508 value = format_unescape(copy);
4509 goto done;
4510 }
4511
4512 /* Is this a character? */
4513 if (modifiers & FORMAT_CHARACTER) {
4514 new = format_expand1(es, copy);
4515 c = strtonum(new, 32, 126, &errstr);
4516 if (errstr != NULL)
4517 value = xstrdup("");
4518 else
4519 xasprintf(&value, "%c", c);
4520 free(new);
4521 goto done;
4522 }
4523
4524 /* Is this a colour? */
4525 if (modifiers & FORMAT_COLOUR) {
4526 new = format_expand1(es, copy);
4527 c = colour_fromstring(new);
4528 if (c == -1 || (c = colour_force_rgb(c)) == -1)
4529 value = xstrdup("");
4530 else
4531 xasprintf(&value, "%06x", c & 0xffffff);
4532 free(new);
4533 goto done;
4534 }
4535
4536 /* Is this a loop, comparison or condition? */
4537 if (modifiers & FORMAT_SESSIONS) {
4538 value = format_loop_sessions(es, copy);
4539 if (value == NULL)
4540 goto fail;
4541 } else if (modifiers & FORMAT_WINDOWS) {
4542 value = format_loop_windows(es, copy);
4543 if (value == NULL)
4544 goto fail;
4545 } else if (modifiers & FORMAT_PANES) {
4546 value = format_loop_panes(es, copy);
4547 if (value == NULL)
4548 goto fail;
4549 } else if (modifiers & FORMAT_CLIENTS) {
4550 value = format_loop_clients(es, copy);
4551 if (value == NULL)
4552 goto fail;
4553 } else if (modifiers & FORMAT_WINDOW_NAME) {
4554 value = format_window_name(es, copy);
4555 if (value == NULL)
4556 goto fail;
4557 } else if (modifiers & FORMAT_SESSION_NAME) {
4558 value = format_session_name(es, copy);
4559 if (value == NULL)
4560 goto fail;
4561 } else if (search != NULL) {
4562 /* Search in pane. */
4563 new = format_expand1(es, copy);
4564 if (wp == NULL) {
4565 format_log(es, "search '%s' but no pane", new);
4566 value = xstrdup("0");
4567 } else {
4568 format_log(es, "search '%s' pane %%%u", new, wp->id);
4569 value = format_search(search, wp, new);
4570 }
4571 free(new);
4572 } else if (cmp != NULL) {
4573 /* Comparison of left and right. */
4574 if (format_choose(es, copy, &left, &right, 1) != 0) {
4575 format_log(es, "compare %s syntax error: %s",
4576 cmp->modifier, copy);
4577 goto fail;
4578 }
4579 format_log(es, "compare %s left is: %s", cmp->modifier, left);
4580 format_log(es, "compare %s right is: %s", cmp->modifier, right);
4581
4582 if (strcmp(cmp->modifier, "||") == 0) {
4583 if (format_true(left) || format_true(right))
4584 value = xstrdup("1");
4585 else
4586 value = xstrdup("0");
4587 } else if (strcmp(cmp->modifier, "&&") == 0) {
4588 if (format_true(left) && format_true(right))
4589 value = xstrdup("1");
4590 else
4591 value = xstrdup("0");
4592 } else if (strcmp(cmp->modifier, "==") == 0) {
4593 if (strcmp(left, right) == 0)
4594 value = xstrdup("1");
4595 else
4596 value = xstrdup("0");
4597 } else if (strcmp(cmp->modifier, "!=") == 0) {
4598 if (strcmp(left, right) != 0)
4599 value = xstrdup("1");
4600 else
4601 value = xstrdup("0");
4602 } else if (strcmp(cmp->modifier, "<") == 0) {
4603 if (strcmp(left, right) < 0)
4604 value = xstrdup("1");
4605 else
4606 value = xstrdup("0");
4607 } else if (strcmp(cmp->modifier, ">") == 0) {
4608 if (strcmp(left, right) > 0)
4609 value = xstrdup("1");
4610 else
4611 value = xstrdup("0");
4612 } else if (strcmp(cmp->modifier, "<=") == 0) {
4613 if (strcmp(left, right) <= 0)
4614 value = xstrdup("1");
4615 else
4616 value = xstrdup("0");
4617 } else if (strcmp(cmp->modifier, ">=") == 0) {
4618 if (strcmp(left, right) >= 0)
4619 value = xstrdup("1");
4620 else
4621 value = xstrdup("0");
4622 } else if (strcmp(cmp->modifier, "m") == 0)
4623 value = format_match(cmp, left, right);
4624
4625 free(right);
4626 free(left);
4627 } else if (*copy == '?') {
4628 /* Conditional: check first and choose second or third. */
4629 cp = format_skip(copy + 1, ",");
4630 if (cp == NULL) {
4631 format_log(es, "condition syntax error: %s", copy + 1);
4632 goto fail;
4633 }
4634 condition = xstrndup(copy + 1, cp - (copy + 1));
4635 format_log(es, "condition is: %s", condition);
4636
4637 found = format_find(ft, condition, modifiers, time_format);
4638 if (found == NULL) {
4639 /*
4640 * If the condition not found, try to expand it. If
4641 * the expansion doesn't have any effect, then assume
4642 * false.
4643 */
4644 found = format_expand1(es, condition);
4645 if (strcmp(found, condition) == 0) {
4646 free(found);
4647 found = xstrdup("");
4648 format_log(es,
4649 "condition '%s' not found; assuming false",
4650 condition);
4651 }
4652 } else {
4653 format_log(es, "condition '%s' found: %s", condition,
4654 found);
4655 }
4656
4657 if (format_choose(es, cp + 1, &left, &right, 0) != 0) {
4658 format_log(es, "condition '%s' syntax error: %s",
4659 condition, cp + 1);
4660 free(found);
4661 goto fail;
4662 }
4663 if (format_true(found)) {
4664 format_log(es, "condition '%s' is true", condition);
4665 value = format_expand1(es, left);
4666 } else {
4667 format_log(es, "condition '%s' is false", condition);
4668 value = format_expand1(es, right);
4669 }
4670 free(right);
4671 free(left);
4672
4673 free(condition);
4674 free(found);
4675 } else if (mexp != NULL) {
4676 value = format_replace_expression(mexp, es, copy);
4677 if (value == NULL)
4678 value = xstrdup("");
4679 } else {
4680 if (strstr(copy, "#{") != 0) {
4681 format_log(es, "expanding inner format '%s'", copy);
4682 value = format_expand1(es, copy);
4683 } else {
4684 value = format_find(ft, copy, modifiers, time_format);
4685 if (value == NULL) {
4686 format_log(es, "format '%s' not found", copy);
4687 value = xstrdup("");
4688 } else {
4689 format_log(es, "format '%s' found: %s", copy,
4690 value);
4691 }
4692 }
4693 }
4694
4695 done:
4696 /* Expand again if required. */
4697 if (modifiers & FORMAT_EXPAND) {
4698 new = format_expand1(es, value);
4699 free(value);
4700 value = new;
4701 } else if (modifiers & FORMAT_EXPANDTIME) {
4702 format_copy_state(&next, es, FORMAT_EXPAND_TIME);
4703 new = format_expand1(&next, value);
4704 free(value);
4705 value = new;
4706 }
4707
4708 /* Perform substitution if any. */
4709 for (i = 0; i < nsub; i++) {
4710 left = format_expand1(es, sub[i]->argv[0]);
4711 right = format_expand1(es, sub[i]->argv[1]);
4712 new = format_sub(sub[i], value, left, right);
4713 format_log(es, "substitute '%s' to '%s': %s", left, right, new);
4714 free(value);
4715 value = new;
4716 free(right);
4717 free(left);
4718 }
4719
4720 /* Truncate the value if needed. */
4721 if (limit > 0) {
4722 new = format_trim_left(value, limit);
4723 if (marker != NULL && strcmp(new, value) != 0) {
4724 free(value);
4725 xasprintf(&value, "%s%s", new, marker);
4726 } else {
4727 free(value);
4728 value = new;
4729 }
4730 format_log(es, "applied length limit %d: %s", limit, value);
4731 } else if (limit < 0) {
4732 new = format_trim_right(value, -limit);
4733 if (marker != NULL && strcmp(new, value) != 0) {
4734 free(value);
4735 xasprintf(&value, "%s%s", marker, new);
4736 } else {
4737 free(value);
4738 value = new;
4739 }
4740 format_log(es, "applied length limit %d: %s", limit, value);
4741 }
4742
4743 /* Pad the value if needed. */
4744 if (width > 0) {
4745 new = utf8_padcstr(value, width);
4746 free(value);
4747 value = new;
4748 format_log(es, "applied padding width %d: %s", width, value);
4749 } else if (width < 0) {
4750 new = utf8_rpadcstr(value, -width);
4751 free(value);
4752 value = new;
4753 format_log(es, "applied padding width %d: %s", width, value);
4754 }
4755
4756 /* Replace with the length or width if needed. */
4757 if (modifiers & FORMAT_LENGTH) {
4758 xasprintf(&new, "%zu", strlen(value));
4759 free(value);
4760 value = new;
4761 format_log(es, "replacing with length: %s", new);
4762 }
4763 if (modifiers & FORMAT_WIDTH) {
4764 xasprintf(&new, "%u", format_width(value));
4765 free(value);
4766 value = new;
4767 format_log(es, "replacing with width: %s", new);
4768 }
4769
4770 /* Expand the buffer and copy in the value. */
4771 valuelen = strlen(value);
4772 while (*len - *off < valuelen + 1) {
4773 *buf = xreallocarray(*buf, 2, *len);
4774 *len *= 2;
4775 }
4776 memcpy(*buf + *off, value, valuelen);
4777 *off += valuelen;
4778
4779 format_log(es, "replaced '%s' with '%s'", copy0, value);
4780 free(value);
4781
4782 free(sub);
4783 format_free_modifiers(list, count);
4784 free(copy0);
4785 return (0);
4786
4787 fail:
4788 format_log(es, "failed %s", copy0);
4789
4790 free(sub);
4791 format_free_modifiers(list, count);
4792 free(copy0);
4793 return (-1);
4794 }
4795
4796 /* Expand keys in a template. */
4797 static char *
4798 format_expand1(struct format_expand_state *es, const char *fmt)
4799 {
4800 struct format_tree *ft = es->ft;
4801 char *buf, *out, *name;
4802 const char *ptr, *s, *style_end = NULL;
4803 size_t off, len, n, outlen;
4804 int ch, brackets;
4805 char expanded[8192];
4806
4807 if (fmt == NULL || *fmt == '\0')
4808 return (xstrdup(""));
4809
4810 if (es->loop == FORMAT_LOOP_LIMIT) {
4811 format_log(es, "reached loop limit (%u)", FORMAT_LOOP_LIMIT);
4812 return (xstrdup(""));
4813 }
4814 es->loop++;
4815
4816 format_log(es, "expanding format: %s", fmt);
4817
4818 if ((es->flags & FORMAT_EXPAND_TIME) && strchr(fmt, '%') != NULL) {
4819 if (es->time == 0) {
4820 es->time = time(NULL);
4821 localtime_r(&es->time, &es->tm);
4822 }
4823 if (strftime(expanded, sizeof expanded, fmt, &es->tm) == 0) {
4824 format_log(es, "format is too long");
4825 return (xstrdup(""));
4826 }
4827 if (format_logging(ft) && strcmp(expanded, fmt) != 0)
4828 format_log(es, "after time expanded: %s", expanded);
4829 fmt = expanded;
4830 }
4831
4832 len = 64;
4833 buf = xmalloc(len);
4834 off = 0;
4835
4836 while (*fmt != '\0') {
4837 if (*fmt != '#') {
4838 while (len - off < 2) {
4839 buf = xreallocarray(buf, 2, len);
4840 len *= 2;
4841 }
4842 buf[off++] = *fmt++;
4843 continue;
4844 }
4845 fmt++;
4846
4847 ch = (u_char)*fmt++;
4848 switch (ch) {
4849 case '(':
4850 brackets = 1;
4851 for (ptr = fmt; *ptr != '\0'; ptr++) {
4852 if (*ptr == '(')
4853 brackets++;
4854 if (*ptr == ')' && --brackets == 0)
4855 break;
4856 }
4857 if (*ptr != ')' || brackets != 0)
4858 break;
4859 n = ptr - fmt;
4860
4861 name = xstrndup(fmt, n);
4862 format_log(es, "found #(): %s", name);
4863
4864 if ((ft->flags & FORMAT_NOJOBS) ||
4865 (es->flags & FORMAT_EXPAND_NOJOBS)) {
4866 out = xstrdup("");
4867 format_log(es, "#() is disabled");
4868 } else {
4869 out = format_job_get(es, name);
4870 format_log(es, "#() result: %s", out);
4871 }
4872 free(name);
4873
4874 outlen = strlen(out);
4875 while (len - off < outlen + 1) {
4876 buf = xreallocarray(buf, 2, len);
4877 len *= 2;
4878 }
4879 memcpy(buf + off, out, outlen);
4880 off += outlen;
4881
4882 free(out);
4883
4884 fmt += n + 1;
4885 continue;
4886 case '{':
4887 ptr = format_skip((char *)fmt - 2, "}");
4888 if (ptr == NULL)
4889 break;
4890 n = ptr - fmt;
4891
4892 format_log(es, "found #{}: %.*s", (int)n, fmt);
4893 if (format_replace(es, fmt, n, &buf, &len, &off) != 0)
4894 break;
4895 fmt += n + 1;
4896 continue;
4897 case '[':
4898 case '#':
4899 /*
4900 * If ##[ (with two or more #s), then it is a style and
4901 * can be left for format_draw to handle.
4902 */
4903 ptr = fmt - (ch == '[');
4904 n = 2 - (ch == '[');
4905 while (*ptr == '#') {
4906 ptr++;
4907 n++;
4908 }
4909 if (*ptr == '[') {
4910 style_end = format_skip(fmt - 2, "]");
4911 format_log(es, "found #*%zu[", n);
4912 while (len - off < n + 2) {
4913 buf = xreallocarray(buf, 2, len);
4914 len *= 2;
4915 }
4916 memcpy(buf + off, fmt - 2, n + 1);
4917 off += n + 1;
4918 fmt = ptr + 1;
4919 continue;
4920 }
4921 /* FALLTHROUGH */
4922 case '}':
4923 case ',':
4924 format_log(es, "found #%c", ch);
4925 while (len - off < 2) {
4926 buf = xreallocarray(buf, 2, len);
4927 len *= 2;
4928 }
4929 buf[off++] = ch;
4930 continue;
4931 default:
4932 s = NULL;
4933 if (fmt > style_end) { /* skip inside #[] */
4934 if (ch >= 'A' && ch <= 'Z')
4935 s = format_upper[ch - 'A'];
4936 else if (ch >= 'a' && ch <= 'z')
4937 s = format_lower[ch - 'a'];
4938 }
4939 if (s == NULL) {
4940 while (len - off < 3) {
4941 buf = xreallocarray(buf, 2, len);
4942 len *= 2;
4943 }
4944 buf[off++] = '#';
4945 buf[off++] = ch;
4946 continue;
4947 }
4948 n = strlen(s);
4949 format_log(es, "found #%c: %s", ch, s);
4950 if (format_replace(es, s, n, &buf, &len, &off) != 0)
4951 break;
4952 continue;
4953 }
4954
4955 break;
4956 }
4957 buf[off] = '\0';
4958
4959 format_log(es, "result is: %s", buf);
4960 es->loop--;
4961
4962 return (buf);
4963 }
4964
4965 /* Expand keys in a template, passing through strftime first. */
4966 char *
4967 format_expand_time(struct format_tree *ft, const char *fmt)
4968 {
4969 struct format_expand_state es;
4970
4971 memset(&es, 0, sizeof es);
4972 es.ft = ft;
4973 es.flags = FORMAT_EXPAND_TIME;
4974 return (format_expand1(&es, fmt));
4975 }
4976
4977 /* Expand keys in a template. */
4978 char *
4979 format_expand(struct format_tree *ft, const char *fmt)
4980 {
4981 struct format_expand_state es;
4982
4983 memset(&es, 0, sizeof es);
4984 es.ft = ft;
4985 es.flags = 0;
4986 return (format_expand1(&es, fmt));
4987 }
4988
4989 /* Expand a single string. */
4990 char *
4991 format_single(struct cmdq_item *item, const char *fmt, struct client *c,
4992 struct session *s, struct winlink *wl, struct window_pane *wp)
4993 {
4994 struct format_tree *ft;
4995 char *expanded;
4996
4997 ft = format_create_defaults(item, c, s, wl, wp);
4998 expanded = format_expand(ft, fmt);
4999 format_free(ft);
5000 return (expanded);
5001 }
5002
5003 /* Expand a single string using state. */
5004 char *
5005 format_single_from_state(struct cmdq_item *item, const char *fmt,
5006 struct client *c, struct cmd_find_state *fs)
5007 {
5008 return (format_single(item, fmt, c, fs->s, fs->wl, fs->wp));
5009 }
5010
5011 /* Expand a single string using target. */
5012 char *
5013 format_single_from_target(struct cmdq_item *item, const char *fmt)
5014 {
5015 struct client *tc = cmdq_get_target_client(item);
5016
5017 return (format_single_from_state(item, fmt, tc, cmdq_get_target(item)));
5018 }
5019
5020 /* Create and add defaults. */
5021 struct format_tree *
5022 format_create_defaults(struct cmdq_item *item, struct client *c,
5023 struct session *s, struct winlink *wl, struct window_pane *wp)
5024 {
5025 struct format_tree *ft;
5026
5027 if (item != NULL)
5028 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
5029 else
5030 ft = format_create(NULL, item, FORMAT_NONE, 0);
5031 format_defaults(ft, c, s, wl, wp);
5032 return (ft);
5033 }
5034
5035 /* Create and add defaults using state. */
5036 struct format_tree *
5037 format_create_from_state(struct cmdq_item *item, struct client *c,
5038 struct cmd_find_state *fs)
5039 {
5040 return (format_create_defaults(item, c, fs->s, fs->wl, fs->wp));
5041 }
5042
5043 /* Create and add defaults using target. */
5044 struct format_tree *
5045 format_create_from_target(struct cmdq_item *item)
5046 {
5047 struct client *tc = cmdq_get_target_client(item);
5048
5049 return (format_create_from_state(item, tc, cmdq_get_target(item)));
5050 }
5051
5052 /* Set defaults for any of arguments that are not NULL. */
5053 void
5054 format_defaults(struct format_tree *ft, struct client *c, struct session *s,
5055 struct winlink *wl, struct window_pane *wp)
5056 {
5057 struct paste_buffer *pb;
5058
5059 if (c != NULL && c->name != NULL)
5060 log_debug("%s: c=%s", __func__, c->name);
5061 else
5062 log_debug("%s: c=none", __func__);
5063 if (s != NULL)
5064 log_debug("%s: s=$%u", __func__, s->id);
5065 else
5066 log_debug("%s: s=none", __func__);
5067 if (wl != NULL)
5068 log_debug("%s: wl=%u", __func__, wl->idx);
5069 else
5070 log_debug("%s: wl=none", __func__);
5071 if (wp != NULL)
5072 log_debug("%s: wp=%%%u", __func__, wp->id);
5073 else
5074 log_debug("%s: wp=none", __func__);
5075
5076 if (c != NULL && s != NULL && c->session != s)
5077 log_debug("%s: session does not match", __func__);
5078
5079 if (wp != NULL)
5080 ft->type = FORMAT_TYPE_PANE;
5081 else if (wl != NULL)
5082 ft->type = FORMAT_TYPE_WINDOW;
5083 else if (s != NULL)
5084 ft->type = FORMAT_TYPE_SESSION;
5085 else
5086 ft->type = FORMAT_TYPE_UNKNOWN;
5087
5088 if (s == NULL && c != NULL)
5089 s = c->session;
5090 if (wl == NULL && s != NULL)
5091 wl = s->curw;
5092 if (wp == NULL && wl != NULL)
5093 wp = wl->window->active;
5094
5095 if (c != NULL)
5096 format_defaults_client(ft, c);
5097 if (s != NULL)
5098 format_defaults_session(ft, s);
5099 if (wl != NULL)
5100 format_defaults_winlink(ft, wl);
5101 if (wp != NULL)
5102 format_defaults_pane(ft, wp);
5103
5104 pb = paste_get_top(NULL);
5105 if (pb != NULL)
5106 format_defaults_paste_buffer(ft, pb);
5107 }
5108
5109 /* Set default format keys for a session. */
5110 static void
5111 format_defaults_session(struct format_tree *ft, struct session *s)
5112 {
5113 ft->s = s;
5114 }
5115
5116 /* Set default format keys for a client. */
5117 static void
5118 format_defaults_client(struct format_tree *ft, struct client *c)
5119 {
5120 if (ft->s == NULL)
5121 ft->s = c->session;
5122 ft->c = c;
5123 }
5124
5125 /* Set default format keys for a window. */
5126 void
5127 format_defaults_window(struct format_tree *ft, struct window *w)
5128 {
5129 ft->w = w;
5130 }
5131
5132 /* Set default format keys for a winlink. */
5133 static void
5134 format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
5135 {
5136 if (ft->w == NULL)
5137 format_defaults_window(ft, wl->window);
5138 ft->wl = wl;
5139 }
5140
5141 /* Set default format keys for a window pane. */
5142 void
5143 format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
5144 {
5145 struct window_mode_entry *wme;
5146
5147 if (ft->w == NULL)
5148 format_defaults_window(ft, wp->window);
5149 ft->wp = wp;
5150
5151 wme = TAILQ_FIRST(&wp->modes);
5152 if (wme != NULL && wme->mode->formats != NULL)
5153 wme->mode->formats(wme, ft);
5154 }
5155
5156 /* Set default format keys for paste buffer. */
5157 void
5158 format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
5159 {
5160 ft->pb = pb;
5161 }
5162
5163 /* Return word at given coordinates. Caller frees. */
5164 char *
5165 format_grid_word(struct grid *gd, u_int x, u_int y)
5166 {
5167 const struct grid_line *gl;
5168 struct grid_cell gc;
5169 const char *ws;
5170 struct utf8_data *ud = NULL;
5171 u_int end;
5172 size_t size = 0;
5173 int found = 0;
5174 char *s = NULL;
5175
5176 ws = options_get_string(global_s_options, "word-separators");
5177
5178 for (;;) {
5179 grid_get_cell(gd, x, y, &gc);
5180 if (gc.flags & GRID_FLAG_PADDING)
5181 break;
5182 if (utf8_cstrhas(ws, &gc.data) ||
5183 (gc.data.size == 1 && *gc.data.data == ' ')) {
5184 found = 1;
5185 break;
5186 }
5187
5188 if (x == 0) {
5189 if (y == 0)
5190 break;
5191 gl = grid_peek_line(gd, y - 1);
5192 if (~gl->flags & GRID_LINE_WRAPPED)
5193 break;
5194 y--;
5195 x = grid_line_length(gd, y);
5196 if (x == 0)
5197 break;
5198 }
5199 x--;
5200 }
5201 for (;;) {
5202 if (found) {
5203 end = grid_line_length(gd, y);
5204 if (end == 0 || x == end - 1) {
5205 if (y == gd->hsize + gd->sy - 1)
5206 break;
5207 gl = grid_peek_line(gd, y);
5208 if (~gl->flags & GRID_LINE_WRAPPED)
5209 break;
5210 y++;
5211 x = 0;
5212 } else
5213 x++;
5214 }
5215 found = 1;
5216
5217 grid_get_cell(gd, x, y, &gc);
5218 if (gc.flags & GRID_FLAG_PADDING)
5219 break;
5220 if (utf8_cstrhas(ws, &gc.data) ||
5221 (gc.data.size == 1 && *gc.data.data == ' '))
5222 break;
5223
5224 ud = xreallocarray(ud, size + 2, sizeof *ud);
5225 memcpy(&ud[size++], &gc.data, sizeof *ud);
5226 }
5227 if (size != 0) {
5228 ud[size].size = 0;
5229 s = utf8_tocstr(ud);
5230 free(ud);
5231 }
5232 return (s);
5233 }
5234
5235 /* Return line at given coordinates. Caller frees. */
5236 char *
5237 format_grid_line(struct grid *gd, u_int y)
5238 {
5239 struct grid_cell gc;
5240 struct utf8_data *ud = NULL;
5241 u_int x;
5242 size_t size = 0;
5243 char *s = NULL;
5244
5245 for (x = 0; x < grid_line_length(gd, y); x++) {
5246 grid_get_cell(gd, x, y, &gc);
5247 if (gc.flags & GRID_FLAG_PADDING)
5248 break;
5249
5250 ud = xreallocarray(ud, size + 2, sizeof *ud);
5251 memcpy(&ud[size++], &gc.data, sizeof *ud);
5252 }
5253 if (size != 0) {
5254 ud[size].size = 0;
5255 s = utf8_tocstr(ud);
5256 free(ud);
5257 }
5258 return (s);
5259 }
5260
5261 /* Return hyperlink at given coordinates. Caller frees. */
5262 char *
5263 format_grid_hyperlink(struct grid *gd, u_int x, u_int y, struct screen* s)
5264 {
5265 const char *uri;
5266 struct grid_cell gc;
5267
5268 grid_get_cell(gd, x, y, &gc);
5269 if (gc.flags & GRID_FLAG_PADDING)
5270 return (NULL);
5271 if (s->hyperlinks == NULL || gc.link == 0)
5272 return (NULL);
5273 if (!hyperlinks_get(s->hyperlinks, gc.link, &uri, NULL, NULL))
5274 return (NULL);
5275 return (xstrdup(uri));
5276 }
tmux -- terminal multiplexer similar to GNU Screen