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Add a -T flag to capture-pane to stop at the last used cell instead of
[tmux-openbsd.git] / format.c
blob535af061eb199518f20ca5c05738cc01bcf4f8c1
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
107 /* Limit on recursion. */
108 #define FORMAT_LOOP_LIMIT 100
109
110 /* Format expand flags. */
111 #define FORMAT_EXPAND_TIME 0x1
112 #define FORMAT_EXPAND_NOJOBS 0x2
113
114 /* Entry in format tree. */
115 struct format_entry {
116 char *key;
117 char *value;
118 time_t time;
119 format_cb cb;
120 RB_ENTRY(format_entry) entry;
121 };
122
123 /* Format type. */
124 enum format_type {
125 FORMAT_TYPE_UNKNOWN,
126 FORMAT_TYPE_SESSION,
127 FORMAT_TYPE_WINDOW,
128 FORMAT_TYPE_PANE
129 };
130
131 struct format_tree {
132 enum format_type type;
133
134 struct client *c;
135 struct session *s;
136 struct winlink *wl;
137 struct window *w;
138 struct window_pane *wp;
139 struct paste_buffer *pb;
140
141 struct cmdq_item *item;
142 struct client *client;
143 int flags;
144 u_int tag;
145
146 struct mouse_event m;
147
148 RB_HEAD(format_entry_tree, format_entry) tree;
149 };
150 static int format_entry_cmp(struct format_entry *, struct format_entry *);
151 RB_GENERATE_STATIC(format_entry_tree, format_entry, entry, format_entry_cmp);
152
153 /* Format expand state. */
154 struct format_expand_state {
155 struct format_tree *ft;
156 u_int loop;
157 time_t time;
158 struct tm tm;
159 int flags;
160 };
161
162 /* Format modifier. */
163 struct format_modifier {
164 char modifier[3];
165 u_int size;
166
167 char **argv;
168 int argc;
169 };
170
171 /* Format entry tree comparison function. */
172 static int
173 format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
174 {
175 return (strcmp(fe1->key, fe2->key));
176 }
177
178 /* Single-character uppercase aliases. */
179 static const char *format_upper[] = {
180 NULL, /* A */
181 NULL, /* B */
182 NULL, /* C */
183 "pane_id", /* D */
184 NULL, /* E */
185 "window_flags", /* F */
186 NULL, /* G */
187 "host", /* H */
188 "window_index", /* I */
189 NULL, /* J */
190 NULL, /* K */
191 NULL, /* L */
192 NULL, /* M */
193 NULL, /* N */
194 NULL, /* O */
195 "pane_index", /* P */
196 NULL, /* Q */
197 NULL, /* R */
198 "session_name", /* S */
199 "pane_title", /* T */
200 NULL, /* U */
201 NULL, /* V */
202 "window_name", /* W */
203 NULL, /* X */
204 NULL, /* Y */
205 NULL /* Z */
206 };
207
208 /* Single-character lowercase aliases. */
209 static const char *format_lower[] = {
210 NULL, /* a */
211 NULL, /* b */
212 NULL, /* c */
213 NULL, /* d */
214 NULL, /* e */
215 NULL, /* f */
216 NULL, /* g */
217 "host_short", /* h */
218 NULL, /* i */
219 NULL, /* j */
220 NULL, /* k */
221 NULL, /* l */
222 NULL, /* m */
223 NULL, /* n */
224 NULL, /* o */
225 NULL, /* p */
226 NULL, /* q */
227 NULL, /* r */
228 NULL, /* s */
229 NULL, /* t */
230 NULL, /* u */
231 NULL, /* v */
232 NULL, /* w */
233 NULL, /* x */
234 NULL, /* y */
235 NULL /* z */
236 };
237
238 /* Is logging enabled? */
239 static inline int
240 format_logging(struct format_tree *ft)
241 {
242 return (log_get_level() != 0 || (ft->flags & FORMAT_VERBOSE));
243 }
244
245 /* Log a message if verbose. */
246 static void printflike(3, 4)
247 format_log1(struct format_expand_state *es, const char *from, const char *fmt,
248 ...)
249 {
250 struct format_tree *ft = es->ft;
251 va_list ap;
252 char *s;
253 static const char spaces[] = " ";
254
255 if (!format_logging(ft))
256 return;
257
258 va_start(ap, fmt);
259 xvasprintf(&s, fmt, ap);
260 va_end(ap);
261
262 log_debug("%s: %s", from, s);
263 if (ft->item != NULL && (ft->flags & FORMAT_VERBOSE))
264 cmdq_print(ft->item, "#%.*s%s", es->loop, spaces, s);
265
266 free(s);
267 }
268 #define format_log(es, fmt, ...) format_log1(es, __func__, fmt, ##__VA_ARGS__)
269
270 /* Copy expand state. */
271 static void
272 format_copy_state(struct format_expand_state *to,
273 struct format_expand_state *from, int flags)
274 {
275 to->ft = from->ft;
276 to->loop = from->loop;
277 to->time = from->time;
278 memcpy(&to->tm, &from->tm, sizeof to->tm);
279 to->flags = from->flags|flags;
280 }
281
282 /* Format job update callback. */
283 static void
284 format_job_update(struct job *job)
285 {
286 struct format_job *fj = job_get_data(job);
287 struct evbuffer *evb = job_get_event(job)->input;
288 char *line = NULL, *next;
289 time_t t;
290
291 while ((next = evbuffer_readline(evb)) != NULL) {
292 free(line);
293 line = next;
294 }
295 if (line == NULL)
296 return;
297 fj->updated = 1;
298
299 free(fj->out);
300 fj->out = line;
301
302 log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, fj->out);
303
304 t = time(NULL);
305 if (fj->status && fj->last != t) {
306 if (fj->client != NULL)
307 server_status_client(fj->client);
308 fj->last = t;
309 }
310 }
311
312 /* Format job complete callback. */
313 static void
314 format_job_complete(struct job *job)
315 {
316 struct format_job *fj = job_get_data(job);
317 struct evbuffer *evb = job_get_event(job)->input;
318 char *line, *buf;
319 size_t len;
320
321 fj->job = NULL;
322
323 buf = NULL;
324 if ((line = evbuffer_readline(evb)) == NULL) {
325 len = EVBUFFER_LENGTH(evb);
326 buf = xmalloc(len + 1);
327 if (len != 0)
328 memcpy(buf, EVBUFFER_DATA(evb), len);
329 buf[len] = '\0';
330 } else
331 buf = line;
332
333 log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, buf);
334
335 if (*buf != '\0' || !fj->updated) {
336 free(fj->out);
337 fj->out = buf;
338 } else
339 free(buf);
340
341 if (fj->status) {
342 if (fj->client != NULL)
343 server_status_client(fj->client);
344 fj->status = 0;
345 }
346 }
347
348 /* Find a job. */
349 static char *
350 format_job_get(struct format_expand_state *es, const char *cmd)
351 {
352 struct format_tree *ft = es->ft;
353 struct format_job_tree *jobs;
354 struct format_job fj0, *fj;
355 time_t t;
356 char *expanded;
357 int force;
358 struct format_expand_state next;
359
360 if (ft->client == NULL)
361 jobs = &format_jobs;
362 else if (ft->client->jobs != NULL)
363 jobs = ft->client->jobs;
364 else {
365 jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
366 RB_INIT(jobs);
367 }
368
369 fj0.tag = ft->tag;
370 fj0.cmd = cmd;
371 if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
372 fj = xcalloc(1, sizeof *fj);
373 fj->client = ft->client;
374 fj->tag = ft->tag;
375 fj->cmd = xstrdup(cmd);
376
377 RB_INSERT(format_job_tree, jobs, fj);
378 }
379
380 format_copy_state(&next, es, FORMAT_EXPAND_NOJOBS);
381 next.flags &= ~FORMAT_EXPAND_TIME;
382
383 expanded = format_expand1(&next, cmd);
384 if (fj->expanded == NULL || strcmp(expanded, fj->expanded) != 0) {
385 free((void *)fj->expanded);
386 fj->expanded = xstrdup(expanded);
387 force = 1;
388 } else
389 force = (ft->flags & FORMAT_FORCE);
390
391 t = time(NULL);
392 if (force && fj->job != NULL)
393 job_free(fj->job);
394 if (force || (fj->job == NULL && fj->last != t)) {
395 fj->job = job_run(expanded, 0, NULL, NULL, NULL,
396 server_client_get_cwd(ft->client, NULL), format_job_update,
397 format_job_complete, NULL, fj, JOB_NOWAIT, -1, -1);
398 if (fj->job == NULL) {
399 free(fj->out);
400 xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
401 }
402 fj->last = t;
403 fj->updated = 0;
404 } else if (fj->job != NULL && (t - fj->last) > 1 && fj->out == NULL)
405 xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
406 free(expanded);
407
408 if (ft->flags & FORMAT_STATUS)
409 fj->status = 1;
410 if (fj->out == NULL)
411 return (xstrdup(""));
412 return (format_expand1(&next, fj->out));
413 }
414
415 /* Remove old jobs. */
416 static void
417 format_job_tidy(struct format_job_tree *jobs, int force)
418 {
419 struct format_job *fj, *fj1;
420 time_t now;
421
422 now = time(NULL);
423 RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
424 if (!force && (fj->last > now || now - fj->last < 3600))
425 continue;
426 RB_REMOVE(format_job_tree, jobs, fj);
427
428 log_debug("%s: %s", __func__, fj->cmd);
429
430 if (fj->job != NULL)
431 job_free(fj->job);
432
433 free((void *)fj->expanded);
434 free((void *)fj->cmd);
435 free(fj->out);
436
437 free(fj);
438 }
439 }
440
441 /* Tidy old jobs for all clients. */
442 void
443 format_tidy_jobs(void)
444 {
445 struct client *c;
446
447 format_job_tidy(&format_jobs, 0);
448 TAILQ_FOREACH(c, &clients, entry) {
449 if (c->jobs != NULL)
450 format_job_tidy(c->jobs, 0);
451 }
452 }
453
454 /* Remove old jobs for client. */
455 void
456 format_lost_client(struct client *c)
457 {
458 if (c->jobs != NULL)
459 format_job_tidy(c->jobs, 1);
460 free(c->jobs);
461 }
462
463 /* Wrapper for asprintf. */
464 static char * printflike(1, 2)
465 format_printf(const char *fmt, ...)
466 {
467 va_list ap;
468 char *s;
469
470 va_start(ap, fmt);
471 xvasprintf(&s, fmt, ap);
472 va_end(ap);
473 return (s);
474 }
475
476 /* Callback for host. */
477 static void *
478 format_cb_host(__unused struct format_tree *ft)
479 {
480 char host[HOST_NAME_MAX + 1];
481
482 if (gethostname(host, sizeof host) != 0)
483 return (xstrdup(""));
484 return (xstrdup(host));
485 }
486
487 /* Callback for host_short. */
488 static void *
489 format_cb_host_short(__unused struct format_tree *ft)
490 {
491 char host[HOST_NAME_MAX + 1], *cp;
492
493 if (gethostname(host, sizeof host) != 0)
494 return (xstrdup(""));
495 if ((cp = strchr(host, '.')) != NULL)
496 *cp = '\0';
497 return (xstrdup(host));
498 }
499
500 /* Callback for pid. */
501 static void *
502 format_cb_pid(__unused struct format_tree *ft)
503 {
504 char *value;
505
506 xasprintf(&value, "%ld", (long)getpid());
507 return (value);
508 }
509
510 /* Callback for session_attached_list. */
511 static void *
512 format_cb_session_attached_list(struct format_tree *ft)
513 {
514 struct session *s = ft->s;
515 struct client *loop;
516 struct evbuffer *buffer;
517 int size;
518 char *value = NULL;
519
520 if (s == NULL)
521 return (NULL);
522
523 buffer = evbuffer_new();
524 if (buffer == NULL)
525 fatalx("out of memory");
526
527 TAILQ_FOREACH(loop, &clients, entry) {
528 if (loop->session == s) {
529 if (EVBUFFER_LENGTH(buffer) > 0)
530 evbuffer_add(buffer, ",", 1);
531 evbuffer_add_printf(buffer, "%s", loop->name);
532 }
533 }
534
535 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
536 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
537 evbuffer_free(buffer);
538 return (value);
539 }
540
541 /* Callback for session_alerts. */
542 static void *
543 format_cb_session_alerts(struct format_tree *ft)
544 {
545 struct session *s = ft->s;
546 struct winlink *wl;
547 char alerts[1024], tmp[16];
548
549 if (s == NULL)
550 return (NULL);
551
552 *alerts = '\0';
553 RB_FOREACH(wl, winlinks, &s->windows) {
554 if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
555 continue;
556 xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
557
558 if (*alerts != '\0')
559 strlcat(alerts, ",", sizeof alerts);
560 strlcat(alerts, tmp, sizeof alerts);
561 if (wl->flags & WINLINK_ACTIVITY)
562 strlcat(alerts, "#", sizeof alerts);
563 if (wl->flags & WINLINK_BELL)
564 strlcat(alerts, "!", sizeof alerts);
565 if (wl->flags & WINLINK_SILENCE)
566 strlcat(alerts, "~", sizeof alerts);
567 }
568 return (xstrdup(alerts));
569 }
570
571 /* Callback for session_stack. */
572 static void *
573 format_cb_session_stack(struct format_tree *ft)
574 {
575 struct session *s = ft->s;
576 struct winlink *wl;
577 char result[1024], tmp[16];
578
579 if (s == NULL)
580 return (NULL);
581
582 xsnprintf(result, sizeof result, "%u", s->curw->idx);
583 TAILQ_FOREACH(wl, &s->lastw, sentry) {
584 xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
585
586 if (*result != '\0')
587 strlcat(result, ",", sizeof result);
588 strlcat(result, tmp, sizeof result);
589 }
590 return (xstrdup(result));
591 }
592
593 /* Callback for window_stack_index. */
594 static void *
595 format_cb_window_stack_index(struct format_tree *ft)
596 {
597 struct session *s;
598 struct winlink *wl;
599 u_int idx;
600 char *value = NULL;
601
602 if (ft->wl == NULL)
603 return (NULL);
604 s = ft->wl->session;
605
606 idx = 0;
607 TAILQ_FOREACH(wl, &s->lastw, sentry) {
608 idx++;
609 if (wl == ft->wl)
610 break;
611 }
612 if (wl == NULL)
613 return (xstrdup("0"));
614 xasprintf(&value, "%u", idx);
615 return (value);
616 }
617
618 /* Callback for window_linked_sessions_list. */
619 static void *
620 format_cb_window_linked_sessions_list(struct format_tree *ft)
621 {
622 struct window *w;
623 struct winlink *wl;
624 struct evbuffer *buffer;
625 int size;
626 char *value = NULL;
627
628 if (ft->wl == NULL)
629 return (NULL);
630 w = ft->wl->window;
631
632 buffer = evbuffer_new();
633 if (buffer == NULL)
634 fatalx("out of memory");
635
636 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
637 if (EVBUFFER_LENGTH(buffer) > 0)
638 evbuffer_add(buffer, ",", 1);
639 evbuffer_add_printf(buffer, "%s", wl->session->name);
640 }
641
642 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
643 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
644 evbuffer_free(buffer);
645 return (value);
646 }
647
648 /* Callback for window_active_sessions. */
649 static void *
650 format_cb_window_active_sessions(struct format_tree *ft)
651 {
652 struct window *w;
653 struct winlink *wl;
654 u_int n = 0;
655 char *value;
656
657 if (ft->wl == NULL)
658 return (NULL);
659 w = ft->wl->window;
660
661 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
662 if (wl->session->curw == wl)
663 n++;
664 }
665
666 xasprintf(&value, "%u", n);
667 return (value);
668 }
669
670 /* Callback for window_active_sessions_list. */
671 static void *
672 format_cb_window_active_sessions_list(struct format_tree *ft)
673 {
674 struct window *w;
675 struct winlink *wl;
676 struct evbuffer *buffer;
677 int size;
678 char *value = NULL;
679
680 if (ft->wl == NULL)
681 return (NULL);
682 w = ft->wl->window;
683
684 buffer = evbuffer_new();
685 if (buffer == NULL)
686 fatalx("out of memory");
687
688 TAILQ_FOREACH(wl, &w->winlinks, wentry) {
689 if (wl->session->curw == wl) {
690 if (EVBUFFER_LENGTH(buffer) > 0)
691 evbuffer_add(buffer, ",", 1);
692 evbuffer_add_printf(buffer, "%s", wl->session->name);
693 }
694 }
695
696 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
697 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
698 evbuffer_free(buffer);
699 return (value);
700 }
701
702 /* Callback for window_active_clients. */
703 static void *
704 format_cb_window_active_clients(struct format_tree *ft)
705 {
706 struct window *w;
707 struct client *loop;
708 struct session *client_session;
709 u_int n = 0;
710 char *value;
711
712 if (ft->wl == NULL)
713 return (NULL);
714 w = ft->wl->window;
715
716 TAILQ_FOREACH(loop, &clients, entry) {
717 client_session = loop->session;
718 if (client_session == NULL)
719 continue;
720
721 if (w == client_session->curw->window)
722 n++;
723 }
724
725 xasprintf(&value, "%u", n);
726 return (value);
727 }
728
729 /* Callback for window_active_clients_list. */
730 static void *
731 format_cb_window_active_clients_list(struct format_tree *ft)
732 {
733 struct window *w;
734 struct client *loop;
735 struct session *client_session;
736 struct evbuffer *buffer;
737 int size;
738 char *value = NULL;
739
740 if (ft->wl == NULL)
741 return (NULL);
742 w = ft->wl->window;
743
744 buffer = evbuffer_new();
745 if (buffer == NULL)
746 fatalx("out of memory");
747
748 TAILQ_FOREACH(loop, &clients, entry) {
749 client_session = loop->session;
750 if (client_session == NULL)
751 continue;
752
753 if (w == client_session->curw->window) {
754 if (EVBUFFER_LENGTH(buffer) > 0)
755 evbuffer_add(buffer, ",", 1);
756 evbuffer_add_printf(buffer, "%s", loop->name);
757 }
758 }
759
760 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
761 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
762 evbuffer_free(buffer);
763 return (value);
764 }
765
766 /* Callback for window_layout. */
767 static void *
768 format_cb_window_layout(struct format_tree *ft)
769 {
770 struct window *w = ft->w;
771
772 if (w == NULL)
773 return (NULL);
774
775 if (w->saved_layout_root != NULL)
776 return (layout_dump(w->saved_layout_root));
777 return (layout_dump(w->layout_root));
778 }
779
780 /* Callback for window_visible_layout. */
781 static void *
782 format_cb_window_visible_layout(struct format_tree *ft)
783 {
784 struct window *w = ft->w;
785
786 if (w == NULL)
787 return (NULL);
788
789 return (layout_dump(w->layout_root));
790 }
791
792 /* Callback for pane_start_command. */
793 static void *
794 format_cb_start_command(struct format_tree *ft)
795 {
796 struct window_pane *wp = ft->wp;
797
798 if (wp == NULL)
799 return (NULL);
800
801 return (cmd_stringify_argv(wp->argc, wp->argv));
802 }
803
804 /* Callback for pane_start_path. */
805 static void *
806 format_cb_start_path(struct format_tree *ft)
807 {
808 struct window_pane *wp = ft->wp;
809
810 if (wp == NULL)
811 return (NULL);
812
813 if (wp->cwd == NULL)
814 return (xstrdup(""));
815 return (xstrdup(wp->cwd));
816 }
817
818 /* Callback for pane_current_command. */
819 static void *
820 format_cb_current_command(struct format_tree *ft)
821 {
822 struct window_pane *wp = ft->wp;
823 char *cmd, *value;
824
825 if (wp == NULL || wp->shell == NULL)
826 return (NULL);
827
828 cmd = get_proc_name(wp->fd, wp->tty);
829 if (cmd == NULL || *cmd == '\0') {
830 free(cmd);
831 cmd = cmd_stringify_argv(wp->argc, wp->argv);
832 if (cmd == NULL || *cmd == '\0') {
833 free(cmd);
834 cmd = xstrdup(wp->shell);
835 }
836 }
837 value = parse_window_name(cmd);
838 free(cmd);
839 return (value);
840 }
841
842 /* Callback for pane_current_path. */
843 static void *
844 format_cb_current_path(struct format_tree *ft)
845 {
846 struct window_pane *wp = ft->wp;
847 char *cwd;
848
849 if (wp == NULL)
850 return (NULL);
851
852 cwd = get_proc_cwd(wp->fd);
853 if (cwd == NULL)
854 return (NULL);
855 return (xstrdup(cwd));
856 }
857
858 /* Callback for history_bytes. */
859 static void *
860 format_cb_history_bytes(struct format_tree *ft)
861 {
862 struct window_pane *wp = ft->wp;
863 struct grid *gd;
864 struct grid_line *gl;
865 size_t size = 0;
866 u_int i;
867 char *value;
868
869 if (wp == NULL)
870 return (NULL);
871 gd = wp->base.grid;
872
873 for (i = 0; i < gd->hsize + gd->sy; i++) {
874 gl = grid_get_line(gd, i);
875 size += gl->cellsize * sizeof *gl->celldata;
876 size += gl->extdsize * sizeof *gl->extddata;
877 }
878 size += (gd->hsize + gd->sy) * sizeof *gl;
879
880 xasprintf(&value, "%zu", size);
881 return (value);
882 }
883
884 /* Callback for history_all_bytes. */
885 static void *
886 format_cb_history_all_bytes(struct format_tree *ft)
887 {
888 struct window_pane *wp = ft->wp;
889 struct grid *gd;
890 struct grid_line *gl;
891 u_int i, lines, cells = 0, extended_cells = 0;
892 char *value;
893
894 if (wp == NULL)
895 return (NULL);
896 gd = wp->base.grid;
897
898 lines = gd->hsize + gd->sy;
899 for (i = 0; i < lines; i++) {
900 gl = grid_get_line(gd, i);
901 cells += gl->cellsize;
902 extended_cells += gl->extdsize;
903 }
904
905 xasprintf(&value, "%u,%zu,%u,%zu,%u,%zu", lines,
906 lines * sizeof *gl, cells, cells * sizeof *gl->celldata,
907 extended_cells, extended_cells * sizeof *gl->extddata);
908 return (value);
909 }
910
911 /* Callback for pane_tabs. */
912 static void *
913 format_cb_pane_tabs(struct format_tree *ft)
914 {
915 struct window_pane *wp = ft->wp;
916 struct evbuffer *buffer;
917 u_int i;
918 int size;
919 char *value = NULL;
920
921 if (wp == NULL)
922 return (NULL);
923
924 buffer = evbuffer_new();
925 if (buffer == NULL)
926 fatalx("out of memory");
927 for (i = 0; i < wp->base.grid->sx; i++) {
928 if (!bit_test(wp->base.tabs, i))
929 continue;
930
931 if (EVBUFFER_LENGTH(buffer) > 0)
932 evbuffer_add(buffer, ",", 1);
933 evbuffer_add_printf(buffer, "%u", i);
934 }
935 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
936 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
937 evbuffer_free(buffer);
938 return (value);
939 }
940
941 /* Callback for pane_fg. */
942 static void *
943 format_cb_pane_fg(struct format_tree *ft)
944 {
945 struct window_pane *wp = ft->wp;
946 struct grid_cell gc;
947
948 if (wp == NULL)
949 return (NULL);
950
951 tty_default_colours(&gc, wp);
952 return (xstrdup(colour_tostring(gc.fg)));
953 }
954
955 /* Callback for pane_bg. */
956 static void *
957 format_cb_pane_bg(struct format_tree *ft)
958 {
959 struct window_pane *wp = ft->wp;
960 struct grid_cell gc;
961
962 if (wp == NULL)
963 return (NULL);
964
965 tty_default_colours(&gc, wp);
966 return (xstrdup(colour_tostring(gc.bg)));
967 }
968
969 /* Callback for session_group_list. */
970 static void *
971 format_cb_session_group_list(struct format_tree *ft)
972 {
973 struct session *s = ft->s;
974 struct session_group *sg;
975 struct session *loop;
976 struct evbuffer *buffer;
977 int size;
978 char *value = NULL;
979
980 if (s == NULL)
981 return (NULL);
982 sg = session_group_contains(s);
983 if (sg == NULL)
984 return (NULL);
985
986 buffer = evbuffer_new();
987 if (buffer == NULL)
988 fatalx("out of memory");
989
990 TAILQ_FOREACH(loop, &sg->sessions, gentry) {
991 if (EVBUFFER_LENGTH(buffer) > 0)
992 evbuffer_add(buffer, ",", 1);
993 evbuffer_add_printf(buffer, "%s", loop->name);
994 }
995
996 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
997 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
998 evbuffer_free(buffer);
999 return (value);
1000 }
1001
1002 /* Callback for session_group_attached_list. */
1003 static void *
1004 format_cb_session_group_attached_list(struct format_tree *ft)
1005 {
1006 struct session *s = ft->s, *client_session, *session_loop;
1007 struct session_group *sg;
1008 struct client *loop;
1009 struct evbuffer *buffer;
1010 int size;
1011 char *value = NULL;
1012
1013 if (s == NULL)
1014 return (NULL);
1015 sg = session_group_contains(s);
1016 if (sg == NULL)
1017 return (NULL);
1018
1019 buffer = evbuffer_new();
1020 if (buffer == NULL)
1021 fatalx("out of memory");
1022
1023 TAILQ_FOREACH(loop, &clients, entry) {
1024 client_session = loop->session;
1025 if (client_session == NULL)
1026 continue;
1027 TAILQ_FOREACH(session_loop, &sg->sessions, gentry) {
1028 if (session_loop == client_session){
1029 if (EVBUFFER_LENGTH(buffer) > 0)
1030 evbuffer_add(buffer, ",", 1);
1031 evbuffer_add_printf(buffer, "%s", loop->name);
1032 }
1033 }
1034 }
1035
1036 if ((size = EVBUFFER_LENGTH(buffer)) != 0)
1037 xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
1038 evbuffer_free(buffer);
1039 return (value);
1040 }
1041
1042 /* Callback for pane_in_mode. */
1043 static void *
1044 format_cb_pane_in_mode(struct format_tree *ft)
1045 {
1046 struct window_pane *wp = ft->wp;
1047 u_int n = 0;
1048 struct window_mode_entry *wme;
1049 char *value;
1050
1051 if (wp == NULL)
1052 return (NULL);
1053
1054 TAILQ_FOREACH(wme, &wp->modes, entry)
1055 n++;
1056 xasprintf(&value, "%u", n);
1057 return (value);
1058 }
1059
1060 /* Callback for pane_at_top. */
1061 static void *
1062 format_cb_pane_at_top(struct format_tree *ft)
1063 {
1064 struct window_pane *wp = ft->wp;
1065 struct window *w;
1066 int status, flag;
1067 char *value;
1068
1069 if (wp == NULL)
1070 return (NULL);
1071 w = wp->window;
1072
1073 status = options_get_number(w->options, "pane-border-status");
1074 if (status == PANE_STATUS_TOP)
1075 flag = (wp->yoff == 1);
1076 else
1077 flag = (wp->yoff == 0);
1078 xasprintf(&value, "%d", flag);
1079 return (value);
1080 }
1081
1082 /* Callback for pane_at_bottom. */
1083 static void *
1084 format_cb_pane_at_bottom(struct format_tree *ft)
1085 {
1086 struct window_pane *wp = ft->wp;
1087 struct window *w;
1088 int status, flag;
1089 char *value;
1090
1091 if (wp == NULL)
1092 return (NULL);
1093 w = wp->window;
1094
1095 status = options_get_number(w->options, "pane-border-status");
1096 if (status == PANE_STATUS_BOTTOM)
1097 flag = (wp->yoff + wp->sy == w->sy - 1);
1098 else
1099 flag = (wp->yoff + wp->sy == w->sy);
1100 xasprintf(&value, "%d", flag);
1101 return (value);
1102 }
1103
1104 /* Callback for cursor_character. */
1105 static void *
1106 format_cb_cursor_character(struct format_tree *ft)
1107 {
1108 struct window_pane *wp = ft->wp;
1109 struct grid_cell gc;
1110 char *value = NULL;
1111
1112 if (wp == NULL)
1113 return (NULL);
1114
1115 grid_view_get_cell(wp->base.grid, wp->base.cx, wp->base.cy, &gc);
1116 if (~gc.flags & GRID_FLAG_PADDING)
1117 xasprintf(&value, "%.*s", (int)gc.data.size, gc.data.data);
1118 return (value);
1119 }
1120
1121 /* Callback for mouse_word. */
1122 static void *
1123 format_cb_mouse_word(struct format_tree *ft)
1124 {
1125 struct window_pane *wp;
1126 struct grid *gd;
1127 u_int x, y;
1128 char *s;
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 (s = 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 alternate_on. */
1194 static void *
1195 format_cb_alternate_on(struct format_tree *ft)
1196 {
1197 if (ft->wp != NULL) {
1198 if (ft->wp->base.saved_grid != NULL)
1199 return (xstrdup("1"));
1200 return (xstrdup("0"));
1201 }
1202 return (NULL);
1203 }
1204
1205 /* Callback for alternate_saved_x. */
1206 static void *
1207 format_cb_alternate_saved_x(struct format_tree *ft)
1208 {
1209 if (ft->wp != NULL)
1210 return (format_printf("%u", ft->wp->base.saved_cx));
1211 return (NULL);
1212 }
1213
1214 /* Callback for alternate_saved_y. */
1215 static void *
1216 format_cb_alternate_saved_y(struct format_tree *ft)
1217 {
1218 if (ft->wp != NULL)
1219 return (format_printf("%u", ft->wp->base.saved_cy));
1220 return (NULL);
1221 }
1222
1223 /* Callback for buffer_name. */
1224 static void *
1225 format_cb_buffer_name(struct format_tree *ft)
1226 {
1227 if (ft->pb != NULL)
1228 return (xstrdup(paste_buffer_name(ft->pb)));
1229 return (NULL);
1230 }
1231
1232 /* Callback for buffer_sample. */
1233 static void *
1234 format_cb_buffer_sample(struct format_tree *ft)
1235 {
1236 if (ft->pb != NULL)
1237 return (paste_make_sample(ft->pb));
1238 return (NULL);
1239 }
1240
1241 /* Callback for buffer_size. */
1242 static void *
1243 format_cb_buffer_size(struct format_tree *ft)
1244 {
1245 size_t size;
1246
1247 if (ft->pb != NULL) {
1248 paste_buffer_data(ft->pb, &size);
1249 return (format_printf("%zu", size));
1250 }
1251 return (NULL);
1252 }
1253
1254 /* Callback for client_cell_height. */
1255 static void *
1256 format_cb_client_cell_height(struct format_tree *ft)
1257 {
1258 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1259 return (format_printf("%u", ft->c->tty.ypixel));
1260 return (NULL);
1261 }
1262
1263 /* Callback for client_cell_width. */
1264 static void *
1265 format_cb_client_cell_width(struct format_tree *ft)
1266 {
1267 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1268 return (format_printf("%u", ft->c->tty.xpixel));
1269 return (NULL);
1270 }
1271
1272 /* Callback for client_control_mode. */
1273 static void *
1274 format_cb_client_control_mode(struct format_tree *ft)
1275 {
1276 if (ft->c != NULL) {
1277 if (ft->c->flags & CLIENT_CONTROL)
1278 return (xstrdup("1"));
1279 return (xstrdup("0"));
1280 }
1281 return (NULL);
1282 }
1283
1284 /* Callback for client_discarded. */
1285 static void *
1286 format_cb_client_discarded(struct format_tree *ft)
1287 {
1288 if (ft->c != NULL)
1289 return (format_printf("%zu", ft->c->discarded));
1290 return (NULL);
1291 }
1292
1293 /* Callback for client_flags. */
1294 static void *
1295 format_cb_client_flags(struct format_tree *ft)
1296 {
1297 if (ft->c != NULL)
1298 return (xstrdup(server_client_get_flags(ft->c)));
1299 return (NULL);
1300 }
1301
1302 /* Callback for client_height. */
1303 static void *
1304 format_cb_client_height(struct format_tree *ft)
1305 {
1306 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
1307 return (format_printf("%u", ft->c->tty.sy));
1308 return (NULL);
1309 }
1310
1311 /* Callback for client_key_table. */
1312 static void *
1313 format_cb_client_key_table(struct format_tree *ft)
1314 {
1315 if (ft->c != NULL)
1316 return (xstrdup(ft->c->keytable->name));
1317 return (NULL);
1318 }
1319
1320 /* Callback for client_last_session. */
1321 static void *
1322 format_cb_client_last_session(struct format_tree *ft)
1323 {
1324 if (ft->c != NULL &&
1325 ft->c->last_session != NULL &&
1326 session_alive(ft->c->last_session))
1327 return (xstrdup(ft->c->last_session->name));
1328 return (NULL);
1329 }
1330
1331 /* Callback for client_name. */
1332 static void *
1333 format_cb_client_name(struct format_tree *ft)
1334 {
1335 if (ft->c != NULL)
1336 return (xstrdup(ft->c->name));
1337 return (NULL);
1338 }
1339
1340 /* Callback for client_pid. */
1341 static void *
1342 format_cb_client_pid(struct format_tree *ft)
1343 {
1344 if (ft->c != NULL)
1345 return (format_printf("%ld", (long)ft->c->pid));
1346 return (NULL);
1347 }
1348
1349 /* Callback for client_prefix. */
1350 static void *
1351 format_cb_client_prefix(struct format_tree *ft)
1352 {
1353 const char *name;
1354
1355 if (ft->c != NULL) {
1356 name = server_client_get_key_table(ft->c);
1357 if (strcmp(ft->c->keytable->name, name) == 0)
1358 return (xstrdup("0"));
1359 return (xstrdup("1"));
1360 }
1361 return (NULL);
1362 }
1363
1364 /* Callback for client_readonly. */
1365 static void *
1366 format_cb_client_readonly(struct format_tree *ft)
1367 {
1368 if (ft->c != NULL) {
1369 if (ft->c->flags & CLIENT_READONLY)
1370 return (xstrdup("1"));
1371 return (xstrdup("0"));
1372 }
1373 return (NULL);
1374 }
1375
1376 /* Callback for client_session. */
1377 static void *
1378 format_cb_client_session(struct format_tree *ft)
1379 {
1380 if (ft->c != NULL && ft->c->session != NULL)
1381 return (xstrdup(ft->c->session->name));
1382 return (NULL);
1383 }
1384
1385 /* Callback for client_termfeatures. */
1386 static void *
1387 format_cb_client_termfeatures(struct format_tree *ft)
1388 {
1389 if (ft->c != NULL)
1390 return (xstrdup(tty_get_features(ft->c->term_features)));
1391 return (NULL);
1392 }
1393
1394 /* Callback for client_termname. */
1395 static void *
1396 format_cb_client_termname(struct format_tree *ft)
1397 {
1398 if (ft->c != NULL)
1399 return (xstrdup(ft->c->term_name));
1400 return (NULL);
1401 }
1402
1403 /* Callback for client_termtype. */
1404 static void *
1405 format_cb_client_termtype(struct format_tree *ft)
1406 {
1407 if (ft->c != NULL) {
1408 if (ft->c->term_type == NULL)
1409 return (xstrdup(""));
1410 return (xstrdup(ft->c->term_type));
1411 }
1412 return (NULL);
1413 }
1414
1415 /* Callback for client_tty. */
1416 static void *
1417 format_cb_client_tty(struct format_tree *ft)
1418 {
1419 if (ft->c != NULL)
1420 return (xstrdup(ft->c->ttyname));
1421 return (NULL);
1422 }
1423
1424 /* Callback for client_uid. */
1425 static void *
1426 format_cb_client_uid(struct format_tree *ft)
1427 {
1428 uid_t uid;
1429
1430 if (ft->c != NULL) {
1431 uid = proc_get_peer_uid(ft->c->peer);
1432 if (uid != (uid_t)-1)
1433 return (format_printf("%ld", (long)uid));
1434 }
1435 return (NULL);
1436 }
1437
1438 /* Callback for client_user. */
1439 static void *
1440 format_cb_client_user(struct format_tree *ft)
1441 {
1442 uid_t uid;
1443 struct passwd *pw;
1444
1445 if (ft->c != NULL) {
1446 uid = proc_get_peer_uid(ft->c->peer);
1447 if (uid != (uid_t)-1 && (pw = getpwuid(uid)) != NULL)
1448 return (xstrdup(pw->pw_name));
1449 }
1450 return (NULL);
1451 }
1452
1453 /* Callback for client_utf8. */
1454 static void *
1455 format_cb_client_utf8(struct format_tree *ft)
1456 {
1457 if (ft->c != NULL) {
1458 if (ft->c->flags & CLIENT_UTF8)
1459 return (xstrdup("1"));
1460 return (xstrdup("0"));
1461 }
1462 return (NULL);
1463 }
1464
1465 /* Callback for client_width. */
1466 static void *
1467 format_cb_client_width(struct format_tree *ft)
1468 {
1469 if (ft->c != NULL)
1470 return (format_printf("%u", ft->c->tty.sx));
1471 return (NULL);
1472 }
1473
1474 /* Callback for client_written. */
1475 static void *
1476 format_cb_client_written(struct format_tree *ft)
1477 {
1478 if (ft->c != NULL)
1479 return (format_printf("%zu", ft->c->written));
1480 return (NULL);
1481 }
1482
1483 /* Callback for config_files. */
1484 static void *
1485 format_cb_config_files(__unused struct format_tree *ft)
1486 {
1487 char *s = NULL;
1488 size_t slen = 0;
1489 u_int i;
1490 size_t n;
1491
1492 for (i = 0; i < cfg_nfiles; i++) {
1493 n = strlen(cfg_files[i]) + 1;
1494 s = xrealloc(s, slen + n + 1);
1495 slen += xsnprintf(s + slen, n + 1, "%s,", cfg_files[i]);
1496 }
1497 if (s == NULL)
1498 return (xstrdup(""));
1499 s[slen - 1] = '\0';
1500 return (s);
1501 }
1502
1503 /* Callback for cursor_flag. */
1504 static void *
1505 format_cb_cursor_flag(struct format_tree *ft)
1506 {
1507 if (ft->wp != NULL) {
1508 if (ft->wp->base.mode & MODE_CURSOR)
1509 return (xstrdup("1"));
1510 return (xstrdup("0"));
1511 }
1512 return (NULL);
1513 }
1514
1515 /* Callback for cursor_x. */
1516 static void *
1517 format_cb_cursor_x(struct format_tree *ft)
1518 {
1519 if (ft->wp != NULL)
1520 return (format_printf("%u", ft->wp->base.cx));
1521 return (NULL);
1522 }
1523
1524 /* Callback for cursor_y. */
1525 static void *
1526 format_cb_cursor_y(struct format_tree *ft)
1527 {
1528 if (ft->wp != NULL)
1529 return (format_printf("%u", ft->wp->base.cy));
1530 return (NULL);
1531 }
1532
1533 /* Callback for history_limit. */
1534 static void *
1535 format_cb_history_limit(struct format_tree *ft)
1536 {
1537 if (ft->wp != NULL)
1538 return (format_printf("%u", ft->wp->base.grid->hlimit));
1539 return (NULL);
1540 }
1541
1542 /* Callback for history_size. */
1543 static void *
1544 format_cb_history_size(struct format_tree *ft)
1545 {
1546 if (ft->wp != NULL)
1547 return (format_printf("%u", ft->wp->base.grid->hsize));
1548 return (NULL);
1549 }
1550
1551 /* Callback for insert_flag. */
1552 static void *
1553 format_cb_insert_flag(struct format_tree *ft)
1554 {
1555 if (ft->wp != NULL) {
1556 if (ft->wp->base.mode & MODE_INSERT)
1557 return (xstrdup("1"));
1558 return (xstrdup("0"));
1559 }
1560 return (NULL);
1561 }
1562
1563 /* Callback for keypad_cursor_flag. */
1564 static void *
1565 format_cb_keypad_cursor_flag(struct format_tree *ft)
1566 {
1567 if (ft->wp != NULL) {
1568 if (ft->wp->base.mode & MODE_KCURSOR)
1569 return (xstrdup("1"));
1570 return (xstrdup("0"));
1571 }
1572 return (NULL);
1573 }
1574
1575 /* Callback for keypad_flag. */
1576 static void *
1577 format_cb_keypad_flag(struct format_tree *ft)
1578 {
1579 if (ft->wp != NULL) {
1580 if (ft->wp->base.mode & MODE_KKEYPAD)
1581 return (xstrdup("1"));
1582 return (xstrdup("0"));
1583 }
1584 return (NULL);
1585 }
1586
1587 /* Callback for mouse_all_flag. */
1588 static void *
1589 format_cb_mouse_all_flag(struct format_tree *ft)
1590 {
1591 if (ft->wp != NULL) {
1592 if (ft->wp->base.mode & MODE_MOUSE_ALL)
1593 return (xstrdup("1"));
1594 return (xstrdup("0"));
1595 }
1596 return (NULL);
1597 }
1598
1599 /* Callback for mouse_any_flag. */
1600 static void *
1601 format_cb_mouse_any_flag(struct format_tree *ft)
1602 {
1603 if (ft->wp != NULL) {
1604 if (ft->wp->base.mode & ALL_MOUSE_MODES)
1605 return (xstrdup("1"));
1606 return (xstrdup("0"));
1607 }
1608 return (NULL);
1609 }
1610
1611 /* Callback for mouse_button_flag. */
1612 static void *
1613 format_cb_mouse_button_flag(struct format_tree *ft)
1614 {
1615 if (ft->wp != NULL) {
1616 if (ft->wp->base.mode & MODE_MOUSE_BUTTON)
1617 return (xstrdup("1"));
1618 return (xstrdup("0"));
1619 }
1620 return (NULL);
1621 }
1622
1623 /* Callback for mouse_pane. */
1624 static void *
1625 format_cb_mouse_pane(struct format_tree *ft)
1626 {
1627 struct window_pane *wp;
1628
1629 if (ft->m.valid) {
1630 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1631 if (wp != NULL)
1632 return (format_printf("%%%u", wp->id));
1633 return (NULL);
1634 }
1635 return (NULL);
1636 }
1637
1638 /* Callback for mouse_sgr_flag. */
1639 static void *
1640 format_cb_mouse_sgr_flag(struct format_tree *ft)
1641 {
1642 if (ft->wp != NULL) {
1643 if (ft->wp->base.mode & MODE_MOUSE_SGR)
1644 return (xstrdup("1"));
1645 return (xstrdup("0"));
1646 }
1647 return (NULL);
1648 }
1649
1650 /* Callback for mouse_standard_flag. */
1651 static void *
1652 format_cb_mouse_standard_flag(struct format_tree *ft)
1653 {
1654 if (ft->wp != NULL) {
1655 if (ft->wp->base.mode & MODE_MOUSE_STANDARD)
1656 return (xstrdup("1"));
1657 return (xstrdup("0"));
1658 }
1659 return (NULL);
1660 }
1661
1662 /* Callback for mouse_utf8_flag. */
1663 static void *
1664 format_cb_mouse_utf8_flag(struct format_tree *ft)
1665 {
1666 if (ft->wp != NULL) {
1667 if (ft->wp->base.mode & MODE_MOUSE_UTF8)
1668 return (xstrdup("1"));
1669 return (xstrdup("0"));
1670 }
1671 return (NULL);
1672 }
1673
1674 /* Callback for mouse_x. */
1675 static void *
1676 format_cb_mouse_x(struct format_tree *ft)
1677 {
1678 struct window_pane *wp;
1679 u_int x, y;
1680
1681 if (!ft->m.valid)
1682 return (NULL);
1683 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1684 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1685 return (format_printf("%u", x));
1686 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1687 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1688 return (format_printf("%u", ft->m.x));
1689 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1690 return (format_printf("%u", ft->m.x));
1691 }
1692 return (NULL);
1693 }
1694
1695 /* Callback for mouse_y. */
1696 static void *
1697 format_cb_mouse_y(struct format_tree *ft)
1698 {
1699 struct window_pane *wp;
1700 u_int x, y;
1701
1702 if (!ft->m.valid)
1703 return (NULL);
1704 wp = cmd_mouse_pane(&ft->m, NULL, NULL);
1705 if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
1706 return (format_printf("%u", y));
1707 if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED)) {
1708 if (ft->m.statusat == 0 && ft->m.y < ft->m.statuslines)
1709 return (format_printf("%u", ft->m.y));
1710 if (ft->m.statusat > 0 && ft->m.y >= (u_int)ft->m.statusat)
1711 return (format_printf("%u", ft->m.y - ft->m.statusat));
1712 }
1713 return (NULL);
1714 }
1715
1716 /* Callback for next_session_id. */
1717 static void *
1718 format_cb_next_session_id(__unused struct format_tree *ft)
1719 {
1720 return (format_printf("$%u", next_session_id));
1721 }
1722
1723 /* Callback for origin_flag. */
1724 static void *
1725 format_cb_origin_flag(struct format_tree *ft)
1726 {
1727 if (ft->wp != NULL) {
1728 if (ft->wp->base.mode & MODE_ORIGIN)
1729 return (xstrdup("1"));
1730 return (xstrdup("0"));
1731 }
1732 return (NULL);
1733 }
1734
1735 /* Callback for pane_active. */
1736 static void *
1737 format_cb_pane_active(struct format_tree *ft)
1738 {
1739 if (ft->wp != NULL) {
1740 if (ft->wp == ft->wp->window->active)
1741 return (xstrdup("1"));
1742 return (xstrdup("0"));
1743 }
1744 return (NULL);
1745 }
1746
1747 /* Callback for pane_at_left. */
1748 static void *
1749 format_cb_pane_at_left(struct format_tree *ft)
1750 {
1751 if (ft->wp != NULL) {
1752 if (ft->wp->xoff == 0)
1753 return (xstrdup("1"));
1754 return (xstrdup("0"));
1755 }
1756 return (NULL);
1757 }
1758
1759 /* Callback for pane_at_right. */
1760 static void *
1761 format_cb_pane_at_right(struct format_tree *ft)
1762 {
1763 if (ft->wp != NULL) {
1764 if (ft->wp->xoff + ft->wp->sx == ft->wp->window->sx)
1765 return (xstrdup("1"));
1766 return (xstrdup("0"));
1767 }
1768 return (NULL);
1769 }
1770
1771 /* Callback for pane_bottom. */
1772 static void *
1773 format_cb_pane_bottom(struct format_tree *ft)
1774 {
1775 if (ft->wp != NULL)
1776 return (format_printf("%u", ft->wp->yoff + ft->wp->sy - 1));
1777 return (NULL);
1778 }
1779
1780 /* Callback for pane_dead. */
1781 static void *
1782 format_cb_pane_dead(struct format_tree *ft)
1783 {
1784 if (ft->wp != NULL) {
1785 if (ft->wp->fd == -1)
1786 return (xstrdup("1"));
1787 return (xstrdup("0"));
1788 }
1789 return (NULL);
1790 }
1791
1792 /* Callback for pane_dead_signal. */
1793 static void *
1794 format_cb_pane_dead_signal(struct format_tree *ft)
1795 {
1796 struct window_pane *wp = ft->wp;
1797 const char *name;
1798
1799 if (wp != NULL) {
1800 if ((wp->flags & PANE_STATUSREADY) && WIFSIGNALED(wp->status)) {
1801 name = sig2name(WTERMSIG(wp->status));
1802 return (format_printf("%s", name));
1803 }
1804 return (NULL);
1805 }
1806 return (NULL);
1807 }
1808
1809 /* Callback for pane_dead_status. */
1810 static void *
1811 format_cb_pane_dead_status(struct format_tree *ft)
1812 {
1813 struct window_pane *wp = ft->wp;
1814
1815 if (wp != NULL) {
1816 if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(wp->status))
1817 return (format_printf("%d", WEXITSTATUS(wp->status)));
1818 return (NULL);
1819 }
1820 return (NULL);
1821 }
1822
1823 /* Callback for pane_dead_time. */
1824 static void *
1825 format_cb_pane_dead_time(struct format_tree *ft)
1826 {
1827 struct window_pane *wp = ft->wp;
1828
1829 if (wp != NULL) {
1830 if (wp->flags & PANE_STATUSDRAWN)
1831 return (&wp->dead_time);
1832 return (NULL);
1833 }
1834 return (NULL);
1835 }
1836
1837 /* Callback for pane_format. */
1838 static void *
1839 format_cb_pane_format(struct format_tree *ft)
1840 {
1841 if (ft->type == FORMAT_TYPE_PANE)
1842 return (xstrdup("1"));
1843 return (xstrdup("0"));
1844 }
1845
1846 /* Callback for pane_height. */
1847 static void *
1848 format_cb_pane_height(struct format_tree *ft)
1849 {
1850 if (ft->wp != NULL)
1851 return (format_printf("%u", ft->wp->sy));
1852 return (NULL);
1853 }
1854
1855 /* Callback for pane_id. */
1856 static void *
1857 format_cb_pane_id(struct format_tree *ft)
1858 {
1859 if (ft->wp != NULL)
1860 return (format_printf("%%%u", ft->wp->id));
1861 return (NULL);
1862 }
1863
1864 /* Callback for pane_index. */
1865 static void *
1866 format_cb_pane_index(struct format_tree *ft)
1867 {
1868 u_int idx;
1869
1870 if (ft->wp != NULL && window_pane_index(ft->wp, &idx) == 0)
1871 return (format_printf("%u", idx));
1872 return (NULL);
1873 }
1874
1875 /* Callback for pane_input_off. */
1876 static void *
1877 format_cb_pane_input_off(struct format_tree *ft)
1878 {
1879 if (ft->wp != NULL) {
1880 if (ft->wp->flags & PANE_INPUTOFF)
1881 return (xstrdup("1"));
1882 return (xstrdup("0"));
1883 }
1884 return (NULL);
1885 }
1886
1887 /* Callback for pane_last. */
1888 static void *
1889 format_cb_pane_last(struct format_tree *ft)
1890 {
1891 if (ft->wp != NULL) {
1892 if (ft->wp == ft->wp->window->last)
1893 return (xstrdup("1"));
1894 return (xstrdup("0"));
1895 }
1896 return (NULL);
1897 }
1898
1899 /* Callback for pane_left. */
1900 static void *
1901 format_cb_pane_left(struct format_tree *ft)
1902 {
1903 if (ft->wp != NULL)
1904 return (format_printf("%u", ft->wp->xoff));
1905 return (NULL);
1906 }
1907
1908 /* Callback for pane_marked. */
1909 static void *
1910 format_cb_pane_marked(struct format_tree *ft)
1911 {
1912 if (ft->wp != NULL) {
1913 if (server_check_marked() && marked_pane.wp == ft->wp)
1914 return (xstrdup("1"));
1915 return (xstrdup("0"));
1916 }
1917 return (NULL);
1918 }
1919
1920 /* Callback for pane_marked_set. */
1921 static void *
1922 format_cb_pane_marked_set(struct format_tree *ft)
1923 {
1924 if (ft->wp != NULL) {
1925 if (server_check_marked())
1926 return (xstrdup("1"));
1927 return (xstrdup("0"));
1928 }
1929 return (NULL);
1930 }
1931
1932 /* Callback for pane_mode. */
1933 static void *
1934 format_cb_pane_mode(struct format_tree *ft)
1935 {
1936 struct window_mode_entry *wme;
1937
1938 if (ft->wp != NULL) {
1939 wme = TAILQ_FIRST(&ft->wp->modes);
1940 if (wme != NULL)
1941 return (xstrdup(wme->mode->name));
1942 return (NULL);
1943 }
1944 return (NULL);
1945 }
1946
1947 /* Callback for pane_path. */
1948 static void *
1949 format_cb_pane_path(struct format_tree *ft)
1950 {
1951 if (ft->wp != NULL) {
1952 if (ft->wp->base.path == NULL)
1953 return (xstrdup(""));
1954 return (xstrdup(ft->wp->base.path));
1955 }
1956 return (NULL);
1957 }
1958
1959 /* Callback for pane_pid. */
1960 static void *
1961 format_cb_pane_pid(struct format_tree *ft)
1962 {
1963 if (ft->wp != NULL)
1964 return (format_printf("%ld", (long)ft->wp->pid));
1965 return (NULL);
1966 }
1967
1968 /* Callback for pane_pipe. */
1969 static void *
1970 format_cb_pane_pipe(struct format_tree *ft)
1971 {
1972 if (ft->wp != NULL) {
1973 if (ft->wp->pipe_fd != -1)
1974 return (xstrdup("1"));
1975 return (xstrdup("0"));
1976 }
1977 return (NULL);
1978 }
1979
1980 /* Callback for pane_right. */
1981 static void *
1982 format_cb_pane_right(struct format_tree *ft)
1983 {
1984 if (ft->wp != NULL)
1985 return (format_printf("%u", ft->wp->xoff + ft->wp->sx - 1));
1986 return (NULL);
1987 }
1988
1989 /* Callback for pane_search_string. */
1990 static void *
1991 format_cb_pane_search_string(struct format_tree *ft)
1992 {
1993 if (ft->wp != NULL) {
1994 if (ft->wp->searchstr == NULL)
1995 return (xstrdup(""));
1996 return (xstrdup(ft->wp->searchstr));
1997 }
1998 return (NULL);
1999 }
2000
2001 /* Callback for pane_synchronized. */
2002 static void *
2003 format_cb_pane_synchronized(struct format_tree *ft)
2004 {
2005 if (ft->wp != NULL) {
2006 if (options_get_number(ft->wp->options, "synchronize-panes"))
2007 return (xstrdup("1"));
2008 return (xstrdup("0"));
2009 }
2010 return (NULL);
2011 }
2012
2013 /* Callback for pane_title. */
2014 static void *
2015 format_cb_pane_title(struct format_tree *ft)
2016 {
2017 if (ft->wp != NULL)
2018 return (xstrdup(ft->wp->base.title));
2019 return (NULL);
2020 }
2021
2022 /* Callback for pane_top. */
2023 static void *
2024 format_cb_pane_top(struct format_tree *ft)
2025 {
2026 if (ft->wp != NULL)
2027 return (format_printf("%u", ft->wp->yoff));
2028 return (NULL);
2029 }
2030
2031 /* Callback for pane_tty. */
2032 static void *
2033 format_cb_pane_tty(struct format_tree *ft)
2034 {
2035 if (ft->wp != NULL)
2036 return (xstrdup(ft->wp->tty));
2037 return (NULL);
2038 }
2039
2040 /* Callback for pane_width. */
2041 static void *
2042 format_cb_pane_width(struct format_tree *ft)
2043 {
2044 if (ft->wp != NULL)
2045 return (format_printf("%u", ft->wp->sx));
2046 return (NULL);
2047 }
2048
2049 /* Callback for scroll_region_lower. */
2050 static void *
2051 format_cb_scroll_region_lower(struct format_tree *ft)
2052 {
2053 if (ft->wp != NULL)
2054 return (format_printf("%u", ft->wp->base.rlower));
2055 return (NULL);
2056 }
2057
2058 /* Callback for scroll_region_upper. */
2059 static void *
2060 format_cb_scroll_region_upper(struct format_tree *ft)
2061 {
2062 if (ft->wp != NULL)
2063 return (format_printf("%u", ft->wp->base.rupper));
2064 return (NULL);
2065 }
2066
2067 /* Callback for session_attached. */
2068 static void *
2069 format_cb_session_attached(struct format_tree *ft)
2070 {
2071 if (ft->s != NULL)
2072 return (format_printf("%u", ft->s->attached));
2073 return (NULL);
2074 }
2075
2076 /* Callback for session_format. */
2077 static void *
2078 format_cb_session_format(struct format_tree *ft)
2079 {
2080 if (ft->type == FORMAT_TYPE_SESSION)
2081 return (xstrdup("1"));
2082 return (xstrdup("0"));
2083 }
2084
2085 /* Callback for session_group. */
2086 static void *
2087 format_cb_session_group(struct format_tree *ft)
2088 {
2089 struct session_group *sg;
2090
2091 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2092 return (xstrdup(sg->name));
2093 return (NULL);
2094 }
2095
2096 /* Callback for session_group_attached. */
2097 static void *
2098 format_cb_session_group_attached(struct format_tree *ft)
2099 {
2100 struct session_group *sg;
2101
2102 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2103 return (format_printf("%u", session_group_attached_count (sg)));
2104 return (NULL);
2105 }
2106
2107 /* Callback for session_group_many_attached. */
2108 static void *
2109 format_cb_session_group_many_attached(struct format_tree *ft)
2110 {
2111 struct session_group *sg;
2112
2113 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL) {
2114 if (session_group_attached_count (sg) > 1)
2115 return (xstrdup("1"));
2116 return (xstrdup("0"));
2117 }
2118 return (NULL);
2119 }
2120
2121 /* Callback for session_group_size. */
2122 static void *
2123 format_cb_session_group_size(struct format_tree *ft)
2124 {
2125 struct session_group *sg;
2126
2127 if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
2128 return (format_printf("%u", session_group_count (sg)));
2129 return (NULL);
2130 }
2131
2132 /* Callback for session_grouped. */
2133 static void *
2134 format_cb_session_grouped(struct format_tree *ft)
2135 {
2136 if (ft->s != NULL) {
2137 if (session_group_contains(ft->s) != NULL)
2138 return (xstrdup("1"));
2139 return (xstrdup("0"));
2140 }
2141 return (NULL);
2142 }
2143
2144 /* Callback for session_id. */
2145 static void *
2146 format_cb_session_id(struct format_tree *ft)
2147 {
2148 if (ft->s != NULL)
2149 return (format_printf("$%u", ft->s->id));
2150 return (NULL);
2151 }
2152
2153 /* Callback for session_many_attached. */
2154 static void *
2155 format_cb_session_many_attached(struct format_tree *ft)
2156 {
2157 if (ft->s != NULL) {
2158 if (ft->s->attached > 1)
2159 return (xstrdup("1"));
2160 return (xstrdup("0"));
2161 }
2162 return (NULL);
2163 }
2164
2165 /* Callback for session_marked. */
2166 static void *
2167 format_cb_session_marked(struct format_tree *ft)
2168 {
2169 if (ft->s != NULL) {
2170 if (server_check_marked() && marked_pane.s == ft->s)
2171 return (xstrdup("1"));
2172 return (xstrdup("0"));
2173 }
2174 return (NULL);
2175 }
2176
2177 /* Callback for session_name. */
2178 static void *
2179 format_cb_session_name(struct format_tree *ft)
2180 {
2181 if (ft->s != NULL)
2182 return (xstrdup(ft->s->name));
2183 return (NULL);
2184 }
2185
2186 /* Callback for session_path. */
2187 static void *
2188 format_cb_session_path(struct format_tree *ft)
2189 {
2190 if (ft->s != NULL)
2191 return (xstrdup(ft->s->cwd));
2192 return (NULL);
2193 }
2194
2195 /* Callback for session_windows. */
2196 static void *
2197 format_cb_session_windows(struct format_tree *ft)
2198 {
2199 if (ft->s != NULL)
2200 return (format_printf("%u", winlink_count(&ft->s->windows)));
2201 return (NULL);
2202 }
2203
2204 /* Callback for socket_path. */
2205 static void *
2206 format_cb_socket_path(__unused struct format_tree *ft)
2207 {
2208 return (xstrdup(socket_path));
2209 }
2210
2211 /* Callback for version. */
2212 static void *
2213 format_cb_version(__unused struct format_tree *ft)
2214 {
2215 return (xstrdup(getversion()));
2216 }
2217
2218 /* Callback for active_window_index. */
2219 static void *
2220 format_cb_active_window_index(struct format_tree *ft)
2221 {
2222 if (ft->s != NULL)
2223 return (format_printf("%u", ft->s->curw->idx));
2224 return (NULL);
2225 }
2226
2227 /* Callback for last_window_index. */
2228 static void *
2229 format_cb_last_window_index(struct format_tree *ft)
2230 {
2231 struct winlink *wl;
2232
2233 if (ft->s != NULL) {
2234 wl = RB_MAX(winlinks, &ft->s->windows);
2235 return (format_printf("%u", wl->idx));
2236 }
2237 return (NULL);
2238 }
2239
2240 /* Callback for window_active. */
2241 static void *
2242 format_cb_window_active(struct format_tree *ft)
2243 {
2244 if (ft->wl != NULL) {
2245 if (ft->wl == ft->wl->session->curw)
2246 return (xstrdup("1"));
2247 return (xstrdup("0"));
2248 }
2249 return (NULL);
2250 }
2251
2252 /* Callback for window_activity_flag. */
2253 static void *
2254 format_cb_window_activity_flag(struct format_tree *ft)
2255 {
2256 if (ft->wl != NULL) {
2257 if (ft->wl->flags & WINLINK_ACTIVITY)
2258 return (xstrdup("1"));
2259 return (xstrdup("0"));
2260 }
2261 return (NULL);
2262 }
2263
2264 /* Callback for window_bell_flag. */
2265 static void *
2266 format_cb_window_bell_flag(struct format_tree *ft)
2267 {
2268 if (ft->wl != NULL) {
2269 if (ft->wl->flags & WINLINK_BELL)
2270 return (xstrdup("1"));
2271 return (xstrdup("0"));
2272 }
2273 return (NULL);
2274 }
2275
2276 /* Callback for window_bigger. */
2277 static void *
2278 format_cb_window_bigger(struct format_tree *ft)
2279 {
2280 u_int ox, oy, sx, sy;
2281
2282 if (ft->c != NULL) {
2283 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2284 return (xstrdup("1"));
2285 return (xstrdup("0"));
2286 }
2287 return (NULL);
2288 }
2289
2290 /* Callback for window_cell_height. */
2291 static void *
2292 format_cb_window_cell_height(struct format_tree *ft)
2293 {
2294 if (ft->w != NULL)
2295 return (format_printf("%u", ft->w->ypixel));
2296 return (NULL);
2297 }
2298
2299 /* Callback for window_cell_width. */
2300 static void *
2301 format_cb_window_cell_width(struct format_tree *ft)
2302 {
2303 if (ft->w != NULL)
2304 return (format_printf("%u", ft->w->xpixel));
2305 return (NULL);
2306 }
2307
2308 /* Callback for window_end_flag. */
2309 static void *
2310 format_cb_window_end_flag(struct format_tree *ft)
2311 {
2312 if (ft->wl != NULL) {
2313 if (ft->wl == RB_MAX(winlinks, &ft->wl->session->windows))
2314 return (xstrdup("1"));
2315 return (xstrdup("0"));
2316 }
2317 return (NULL);
2318 }
2319
2320 /* Callback for window_flags. */
2321 static void *
2322 format_cb_window_flags(struct format_tree *ft)
2323 {
2324 if (ft->wl != NULL)
2325 return (xstrdup(window_printable_flags(ft->wl, 1)));
2326 return (NULL);
2327 }
2328
2329 /* Callback for window_format. */
2330 static void *
2331 format_cb_window_format(struct format_tree *ft)
2332 {
2333 if (ft->type == FORMAT_TYPE_WINDOW)
2334 return (xstrdup("1"));
2335 return (xstrdup("0"));
2336 }
2337
2338 /* Callback for window_height. */
2339 static void *
2340 format_cb_window_height(struct format_tree *ft)
2341 {
2342 if (ft->w != NULL)
2343 return (format_printf("%u", ft->w->sy));
2344 return (NULL);
2345 }
2346
2347 /* Callback for window_id. */
2348 static void *
2349 format_cb_window_id(struct format_tree *ft)
2350 {
2351 if (ft->w != NULL)
2352 return (format_printf("@%u", ft->w->id));
2353 return (NULL);
2354 }
2355
2356 /* Callback for window_index. */
2357 static void *
2358 format_cb_window_index(struct format_tree *ft)
2359 {
2360 if (ft->wl != NULL)
2361 return (format_printf("%d", ft->wl->idx));
2362 return (NULL);
2363 }
2364
2365 /* Callback for window_last_flag. */
2366 static void *
2367 format_cb_window_last_flag(struct format_tree *ft)
2368 {
2369 if (ft->wl != NULL) {
2370 if (ft->wl == TAILQ_FIRST(&ft->wl->session->lastw))
2371 return (xstrdup("1"));
2372 return (xstrdup("0"));
2373 }
2374 return (NULL);
2375 }
2376
2377 /* Callback for window_linked. */
2378 static void *
2379 format_cb_window_linked(struct format_tree *ft)
2380 {
2381 if (ft->wl != NULL) {
2382 if (session_is_linked(ft->wl->session, ft->wl->window))
2383 return (xstrdup("1"));
2384 return (xstrdup("0"));
2385 }
2386 return (NULL);
2387 }
2388
2389 /* Callback for window_linked_sessions. */
2390 static void *
2391 format_cb_window_linked_sessions(struct format_tree *ft)
2392 {
2393 if (ft->wl != NULL)
2394 return (format_printf("%u", ft->wl->window->references));
2395 return (NULL);
2396 }
2397
2398 /* Callback for window_marked_flag. */
2399 static void *
2400 format_cb_window_marked_flag(struct format_tree *ft)
2401 {
2402 if (ft->wl != NULL) {
2403 if (server_check_marked() && marked_pane.wl == ft->wl)
2404 return (xstrdup("1"));
2405 return (xstrdup("0"));
2406 }
2407 return (NULL);
2408 }
2409
2410 /* Callback for window_name. */
2411 static void *
2412 format_cb_window_name(struct format_tree *ft)
2413 {
2414 if (ft->w != NULL)
2415 return (format_printf("%s", ft->w->name));
2416 return (NULL);
2417 }
2418
2419 /* Callback for window_offset_x. */
2420 static void *
2421 format_cb_window_offset_x(struct format_tree *ft)
2422 {
2423 u_int ox, oy, sx, sy;
2424
2425 if (ft->c != NULL) {
2426 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2427 return (format_printf("%u", ox));
2428 return (NULL);
2429 }
2430 return (NULL);
2431 }
2432
2433 /* Callback for window_offset_y. */
2434 static void *
2435 format_cb_window_offset_y(struct format_tree *ft)
2436 {
2437 u_int ox, oy, sx, sy;
2438
2439 if (ft->c != NULL) {
2440 if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
2441 return (format_printf("%u", oy));
2442 return (NULL);
2443 }
2444 return (NULL);
2445 }
2446
2447 /* Callback for window_panes. */
2448 static void *
2449 format_cb_window_panes(struct format_tree *ft)
2450 {
2451 if (ft->w != NULL)
2452 return (format_printf("%u", window_count_panes(ft->w)));
2453 return (NULL);
2454 }
2455
2456 /* Callback for window_raw_flags. */
2457 static void *
2458 format_cb_window_raw_flags(struct format_tree *ft)
2459 {
2460 if (ft->wl != NULL)
2461 return (xstrdup(window_printable_flags(ft->wl, 0)));
2462 return (NULL);
2463 }
2464
2465 /* Callback for window_silence_flag. */
2466 static void *
2467 format_cb_window_silence_flag(struct format_tree *ft)
2468 {
2469 if (ft->wl != NULL) {
2470 if (ft->wl->flags & WINLINK_SILENCE)
2471 return (xstrdup("1"));
2472 return (xstrdup("0"));
2473 }
2474 return (NULL);
2475 }
2476
2477 /* Callback for window_start_flag. */
2478 static void *
2479 format_cb_window_start_flag(struct format_tree *ft)
2480 {
2481 if (ft->wl != NULL) {
2482 if (ft->wl == RB_MIN(winlinks, &ft->wl->session->windows))
2483 return (xstrdup("1"));
2484 return (xstrdup("0"));
2485 }
2486 return (NULL);
2487 }
2488
2489 /* Callback for window_width. */
2490 static void *
2491 format_cb_window_width(struct format_tree *ft)
2492 {
2493 if (ft->w != NULL)
2494 return (format_printf("%u", ft->w->sx));
2495 return (NULL);
2496 }
2497
2498 /* Callback for window_zoomed_flag. */
2499 static void *
2500 format_cb_window_zoomed_flag(struct format_tree *ft)
2501 {
2502 if (ft->w != NULL) {
2503 if (ft->w->flags & WINDOW_ZOOMED)
2504 return (xstrdup("1"));
2505 return (xstrdup("0"));
2506 }
2507 return (NULL);
2508 }
2509
2510 /* Callback for wrap_flag. */
2511 static void *
2512 format_cb_wrap_flag(struct format_tree *ft)
2513 {
2514 if (ft->wp != NULL) {
2515 if (ft->wp->base.mode & MODE_WRAP)
2516 return (xstrdup("1"));
2517 return (xstrdup("0"));
2518 }
2519 return (NULL);
2520 }
2521
2522 /* Callback for buffer_created. */
2523 static void *
2524 format_cb_buffer_created(struct format_tree *ft)
2525 {
2526 static struct timeval tv;
2527
2528 if (ft->pb != NULL) {
2529 timerclear(&tv);
2530 tv.tv_sec = paste_buffer_created(ft->pb);
2531 return (&tv);
2532 }
2533 return (NULL);
2534 }
2535
2536 /* Callback for client_activity. */
2537 static void *
2538 format_cb_client_activity(struct format_tree *ft)
2539 {
2540 if (ft->c != NULL)
2541 return (&ft->c->activity_time);
2542 return (NULL);
2543 }
2544
2545 /* Callback for client_created. */
2546 static void *
2547 format_cb_client_created(struct format_tree *ft)
2548 {
2549 if (ft->c != NULL)
2550 return (&ft->c->creation_time);
2551 return (NULL);
2552 }
2553
2554 /* Callback for session_activity. */
2555 static void *
2556 format_cb_session_activity(struct format_tree *ft)
2557 {
2558 if (ft->s != NULL)
2559 return (&ft->s->activity_time);
2560 return (NULL);
2561 }
2562
2563 /* Callback for session_created. */
2564 static void *
2565 format_cb_session_created(struct format_tree *ft)
2566 {
2567 if (ft->s != NULL)
2568 return (&ft->s->creation_time);
2569 return (NULL);
2570 }
2571
2572 /* Callback for session_last_attached. */
2573 static void *
2574 format_cb_session_last_attached(struct format_tree *ft)
2575 {
2576 if (ft->s != NULL)
2577 return (&ft->s->last_attached_time);
2578 return (NULL);
2579 }
2580
2581 /* Callback for start_time. */
2582 static void *
2583 format_cb_start_time(__unused struct format_tree *ft)
2584 {
2585 return (&start_time);
2586 }
2587
2588 /* Callback for window_activity. */
2589 static void *
2590 format_cb_window_activity(struct format_tree *ft)
2591 {
2592 if (ft->w != NULL)
2593 return (&ft->w->activity_time);
2594 return (NULL);
2595 }
2596
2597 /* Callback for buffer_mode_format, */
2598 static void *
2599 format_cb_buffer_mode_format(__unused struct format_tree *ft)
2600 {
2601 return (xstrdup(window_buffer_mode.default_format));
2602 }
2603
2604 /* Callback for client_mode_format, */
2605 static void *
2606 format_cb_client_mode_format(__unused struct format_tree *ft)
2607 {
2608 return (xstrdup(window_client_mode.default_format));
2609 }
2610
2611 /* Callback for tree_mode_format, */
2612 static void *
2613 format_cb_tree_mode_format(__unused struct format_tree *ft)
2614 {
2615 return (xstrdup(window_tree_mode.default_format));
2616 }
2617
2618 /* Callback for uid. */
2619 static void *
2620 format_cb_uid(__unused struct format_tree *ft)
2621 {
2622 return (format_printf("%ld", (long)getuid()));
2623 }
2624
2625 /* Callback for user. */
2626 static void *
2627 format_cb_user(__unused struct format_tree *ft)
2628 {
2629 struct passwd *pw;
2630
2631 if ((pw = getpwuid(getuid())) != NULL)
2632 return (xstrdup(pw->pw_name));
2633 return (NULL);
2634 }
2635
2636 /* Format table type. */
2637 enum format_table_type {
2638 FORMAT_TABLE_STRING,
2639 FORMAT_TABLE_TIME
2640 };
2641
2642 /* Format table entry. */
2643 struct format_table_entry {
2644 const char *key;
2645 enum format_table_type type;
2646 format_cb cb;
2647 };
2648
2649 /*
2650 * Format table. Default format variables (that are almost always in the tree
2651 * and where the value is expanded by a callback in this file) are listed here.
2652 * Only variables which are added by the caller go into the tree.
2653 */
2654 static const struct format_table_entry format_table[] = {
2655 { "active_window_index", FORMAT_TABLE_STRING,
2656 format_cb_active_window_index
2657 },
2658 { "alternate_on", FORMAT_TABLE_STRING,
2659 format_cb_alternate_on
2660 },
2661 { "alternate_saved_x", FORMAT_TABLE_STRING,
2662 format_cb_alternate_saved_x
2663 },
2664 { "alternate_saved_y", FORMAT_TABLE_STRING,
2665 format_cb_alternate_saved_y
2666 },
2667 { "buffer_created", FORMAT_TABLE_TIME,
2668 format_cb_buffer_created
2669 },
2670 { "buffer_mode_format", FORMAT_TABLE_STRING,
2671 format_cb_buffer_mode_format
2672 },
2673 { "buffer_name", FORMAT_TABLE_STRING,
2674 format_cb_buffer_name
2675 },
2676 { "buffer_sample", FORMAT_TABLE_STRING,
2677 format_cb_buffer_sample
2678 },
2679 { "buffer_size", FORMAT_TABLE_STRING,
2680 format_cb_buffer_size
2681 },
2682 { "client_activity", FORMAT_TABLE_TIME,
2683 format_cb_client_activity
2684 },
2685 { "client_cell_height", FORMAT_TABLE_STRING,
2686 format_cb_client_cell_height
2687 },
2688 { "client_cell_width", FORMAT_TABLE_STRING,
2689 format_cb_client_cell_width
2690 },
2691 { "client_control_mode", FORMAT_TABLE_STRING,
2692 format_cb_client_control_mode
2693 },
2694 { "client_created", FORMAT_TABLE_TIME,
2695 format_cb_client_created
2696 },
2697 { "client_discarded", FORMAT_TABLE_STRING,
2698 format_cb_client_discarded
2699 },
2700 { "client_flags", FORMAT_TABLE_STRING,
2701 format_cb_client_flags
2702 },
2703 { "client_height", FORMAT_TABLE_STRING,
2704 format_cb_client_height
2705 },
2706 { "client_key_table", FORMAT_TABLE_STRING,
2707 format_cb_client_key_table
2708 },
2709 { "client_last_session", FORMAT_TABLE_STRING,
2710 format_cb_client_last_session
2711 },
2712 { "client_mode_format", FORMAT_TABLE_STRING,
2713 format_cb_client_mode_format
2714 },
2715 { "client_name", FORMAT_TABLE_STRING,
2716 format_cb_client_name
2717 },
2718 { "client_pid", FORMAT_TABLE_STRING,
2719 format_cb_client_pid
2720 },
2721 { "client_prefix", FORMAT_TABLE_STRING,
2722 format_cb_client_prefix
2723 },
2724 { "client_readonly", FORMAT_TABLE_STRING,
2725 format_cb_client_readonly
2726 },
2727 { "client_session", FORMAT_TABLE_STRING,
2728 format_cb_client_session
2729 },
2730 { "client_termfeatures", FORMAT_TABLE_STRING,
2731 format_cb_client_termfeatures
2732 },
2733 { "client_termname", FORMAT_TABLE_STRING,
2734 format_cb_client_termname
2735 },
2736 { "client_termtype", FORMAT_TABLE_STRING,
2737 format_cb_client_termtype
2738 },
2739 { "client_tty", FORMAT_TABLE_STRING,
2740 format_cb_client_tty
2741 },
2742 { "client_uid", FORMAT_TABLE_STRING,
2743 format_cb_client_uid
2744 },
2745 { "client_user", FORMAT_TABLE_STRING,
2746 format_cb_client_user
2747 },
2748 { "client_utf8", FORMAT_TABLE_STRING,
2749 format_cb_client_utf8
2750 },
2751 { "client_width", FORMAT_TABLE_STRING,
2752 format_cb_client_width
2753 },
2754 { "client_written", FORMAT_TABLE_STRING,
2755 format_cb_client_written
2756 },
2757 { "config_files", FORMAT_TABLE_STRING,
2758 format_cb_config_files
2759 },
2760 { "cursor_character", FORMAT_TABLE_STRING,
2761 format_cb_cursor_character
2762 },
2763 { "cursor_flag", FORMAT_TABLE_STRING,
2764 format_cb_cursor_flag
2765 },
2766 { "cursor_x", FORMAT_TABLE_STRING,
2767 format_cb_cursor_x
2768 },
2769 { "cursor_y", FORMAT_TABLE_STRING,
2770 format_cb_cursor_y
2771 },
2772 { "history_all_bytes", FORMAT_TABLE_STRING,
2773 format_cb_history_all_bytes
2774 },
2775 { "history_bytes", FORMAT_TABLE_STRING,
2776 format_cb_history_bytes
2777 },
2778 { "history_limit", FORMAT_TABLE_STRING,
2779 format_cb_history_limit
2780 },
2781 { "history_size", FORMAT_TABLE_STRING,
2782 format_cb_history_size
2783 },
2784 { "host", FORMAT_TABLE_STRING,
2785 format_cb_host
2786 },
2787 { "host_short", FORMAT_TABLE_STRING,
2788 format_cb_host_short
2789 },
2790 { "insert_flag", FORMAT_TABLE_STRING,
2791 format_cb_insert_flag
2792 },
2793 { "keypad_cursor_flag", FORMAT_TABLE_STRING,
2794 format_cb_keypad_cursor_flag
2795 },
2796 { "keypad_flag", FORMAT_TABLE_STRING,
2797 format_cb_keypad_flag
2798 },
2799 { "last_window_index", FORMAT_TABLE_STRING,
2800 format_cb_last_window_index
2801 },
2802 { "mouse_all_flag", FORMAT_TABLE_STRING,
2803 format_cb_mouse_all_flag
2804 },
2805 { "mouse_any_flag", FORMAT_TABLE_STRING,
2806 format_cb_mouse_any_flag
2807 },
2808 { "mouse_button_flag", FORMAT_TABLE_STRING,
2809 format_cb_mouse_button_flag
2810 },
2811 { "mouse_hyperlink", FORMAT_TABLE_STRING,
2812 format_cb_mouse_hyperlink
2813 },
2814 { "mouse_line", FORMAT_TABLE_STRING,
2815 format_cb_mouse_line
2816 },
2817 { "mouse_pane", FORMAT_TABLE_STRING,
2818 format_cb_mouse_pane
2819 },
2820 { "mouse_sgr_flag", FORMAT_TABLE_STRING,
2821 format_cb_mouse_sgr_flag
2822 },
2823 { "mouse_standard_flag", FORMAT_TABLE_STRING,
2824 format_cb_mouse_standard_flag
2825 },
2826 { "mouse_utf8_flag", FORMAT_TABLE_STRING,
2827 format_cb_mouse_utf8_flag
2828 },
2829 { "mouse_word", FORMAT_TABLE_STRING,
2830 format_cb_mouse_word
2831 },
2832 { "mouse_x", FORMAT_TABLE_STRING,
2833 format_cb_mouse_x
2834 },
2835 { "mouse_y", FORMAT_TABLE_STRING,
2836 format_cb_mouse_y
2837 },
2838 { "next_session_id", FORMAT_TABLE_STRING,
2839 format_cb_next_session_id
2840 },
2841 { "origin_flag", FORMAT_TABLE_STRING,
2842 format_cb_origin_flag
2843 },
2844 { "pane_active", FORMAT_TABLE_STRING,
2845 format_cb_pane_active
2846 },
2847 { "pane_at_bottom", FORMAT_TABLE_STRING,
2848 format_cb_pane_at_bottom
2849 },
2850 { "pane_at_left", FORMAT_TABLE_STRING,
2851 format_cb_pane_at_left
2852 },
2853 { "pane_at_right", FORMAT_TABLE_STRING,
2854 format_cb_pane_at_right
2855 },
2856 { "pane_at_top", FORMAT_TABLE_STRING,
2857 format_cb_pane_at_top
2858 },
2859 { "pane_bg", FORMAT_TABLE_STRING,
2860 format_cb_pane_bg
2861 },
2862 { "pane_bottom", FORMAT_TABLE_STRING,
2863 format_cb_pane_bottom
2864 },
2865 { "pane_current_command", FORMAT_TABLE_STRING,
2866 format_cb_current_command
2867 },
2868 { "pane_current_path", FORMAT_TABLE_STRING,
2869 format_cb_current_path
2870 },
2871 { "pane_dead", FORMAT_TABLE_STRING,
2872 format_cb_pane_dead
2873 },
2874 { "pane_dead_signal", FORMAT_TABLE_STRING,
2875 format_cb_pane_dead_signal
2876 },
2877 { "pane_dead_status", FORMAT_TABLE_STRING,
2878 format_cb_pane_dead_status
2879 },
2880 { "pane_dead_time", FORMAT_TABLE_TIME,
2881 format_cb_pane_dead_time
2882 },
2883 { "pane_fg", FORMAT_TABLE_STRING,
2884 format_cb_pane_fg
2885 },
2886 { "pane_format", FORMAT_TABLE_STRING,
2887 format_cb_pane_format
2888 },
2889 { "pane_height", FORMAT_TABLE_STRING,
2890 format_cb_pane_height
2891 },
2892 { "pane_id", FORMAT_TABLE_STRING,
2893 format_cb_pane_id
2894 },
2895 { "pane_in_mode", FORMAT_TABLE_STRING,
2896 format_cb_pane_in_mode
2897 },
2898 { "pane_index", FORMAT_TABLE_STRING,
2899 format_cb_pane_index
2900 },
2901 { "pane_input_off", FORMAT_TABLE_STRING,
2902 format_cb_pane_input_off
2903 },
2904 { "pane_last", FORMAT_TABLE_STRING,
2905 format_cb_pane_last
2906 },
2907 { "pane_left", FORMAT_TABLE_STRING,
2908 format_cb_pane_left
2909 },
2910 { "pane_marked", FORMAT_TABLE_STRING,
2911 format_cb_pane_marked
2912 },
2913 { "pane_marked_set", FORMAT_TABLE_STRING,
2914 format_cb_pane_marked_set
2915 },
2916 { "pane_mode", FORMAT_TABLE_STRING,
2917 format_cb_pane_mode
2918 },
2919 { "pane_path", FORMAT_TABLE_STRING,
2920 format_cb_pane_path
2921 },
2922 { "pane_pid", FORMAT_TABLE_STRING,
2923 format_cb_pane_pid
2924 },
2925 { "pane_pipe", FORMAT_TABLE_STRING,
2926 format_cb_pane_pipe
2927 },
2928 { "pane_right", FORMAT_TABLE_STRING,
2929 format_cb_pane_right
2930 },
2931 { "pane_search_string", FORMAT_TABLE_STRING,
2932 format_cb_pane_search_string
2933 },
2934 { "pane_start_command", FORMAT_TABLE_STRING,
2935 format_cb_start_command
2936 },
2937 { "pane_start_path", FORMAT_TABLE_STRING,
2938 format_cb_start_path
2939 },
2940 { "pane_synchronized", FORMAT_TABLE_STRING,
2941 format_cb_pane_synchronized
2942 },
2943 { "pane_tabs", FORMAT_TABLE_STRING,
2944 format_cb_pane_tabs
2945 },
2946 { "pane_title", FORMAT_TABLE_STRING,
2947 format_cb_pane_title
2948 },
2949 { "pane_top", FORMAT_TABLE_STRING,
2950 format_cb_pane_top
2951 },
2952 { "pane_tty", FORMAT_TABLE_STRING,
2953 format_cb_pane_tty
2954 },
2955 { "pane_width", FORMAT_TABLE_STRING,
2956 format_cb_pane_width
2957 },
2958 { "pid", FORMAT_TABLE_STRING,
2959 format_cb_pid
2960 },
2961 { "scroll_region_lower", FORMAT_TABLE_STRING,
2962 format_cb_scroll_region_lower
2963 },
2964 { "scroll_region_upper", FORMAT_TABLE_STRING,
2965 format_cb_scroll_region_upper
2966 },
2967 { "session_activity", FORMAT_TABLE_TIME,
2968 format_cb_session_activity
2969 },
2970 { "session_alerts", FORMAT_TABLE_STRING,
2971 format_cb_session_alerts
2972 },
2973 { "session_attached", FORMAT_TABLE_STRING,
2974 format_cb_session_attached
2975 },
2976 { "session_attached_list", FORMAT_TABLE_STRING,
2977 format_cb_session_attached_list
2978 },
2979 { "session_created", FORMAT_TABLE_TIME,
2980 format_cb_session_created
2981 },
2982 { "session_format", FORMAT_TABLE_STRING,
2983 format_cb_session_format
2984 },
2985 { "session_group", FORMAT_TABLE_STRING,
2986 format_cb_session_group
2987 },
2988 { "session_group_attached", FORMAT_TABLE_STRING,
2989 format_cb_session_group_attached
2990 },
2991 { "session_group_attached_list", FORMAT_TABLE_STRING,
2992 format_cb_session_group_attached_list
2993 },
2994 { "session_group_list", FORMAT_TABLE_STRING,
2995 format_cb_session_group_list
2996 },
2997 { "session_group_many_attached", FORMAT_TABLE_STRING,
2998 format_cb_session_group_many_attached
2999 },
3000 { "session_group_size", FORMAT_TABLE_STRING,
3001 format_cb_session_group_size
3002 },
3003 { "session_grouped", FORMAT_TABLE_STRING,
3004 format_cb_session_grouped
3005 },
3006 { "session_id", FORMAT_TABLE_STRING,
3007 format_cb_session_id
3008 },
3009 { "session_last_attached", FORMAT_TABLE_TIME,
3010 format_cb_session_last_attached
3011 },
3012 { "session_many_attached", FORMAT_TABLE_STRING,
3013 format_cb_session_many_attached
3014 },
3015 { "session_marked", FORMAT_TABLE_STRING,
3016 format_cb_session_marked,
3017 },
3018 { "session_name", FORMAT_TABLE_STRING,
3019 format_cb_session_name
3020 },
3021 { "session_path", FORMAT_TABLE_STRING,
3022 format_cb_session_path
3023 },
3024 { "session_stack", FORMAT_TABLE_STRING,
3025 format_cb_session_stack
3026 },
3027 { "session_windows", FORMAT_TABLE_STRING,
3028 format_cb_session_windows
3029 },
3030 { "socket_path", FORMAT_TABLE_STRING,
3031 format_cb_socket_path
3032 },
3033 { "start_time", FORMAT_TABLE_TIME,
3034 format_cb_start_time
3035 },
3036 { "tree_mode_format", FORMAT_TABLE_STRING,
3037 format_cb_tree_mode_format
3038 },
3039 { "uid", FORMAT_TABLE_STRING,
3040 format_cb_uid
3041 },
3042 { "user", FORMAT_TABLE_STRING,
3043 format_cb_user
3044 },
3045 { "version", FORMAT_TABLE_STRING,
3046 format_cb_version
3047 },
3048 { "window_active", FORMAT_TABLE_STRING,
3049 format_cb_window_active
3050 },
3051 { "window_active_clients", FORMAT_TABLE_STRING,
3052 format_cb_window_active_clients
3053 },
3054 { "window_active_clients_list", FORMAT_TABLE_STRING,
3055 format_cb_window_active_clients_list
3056 },
3057 { "window_active_sessions", FORMAT_TABLE_STRING,
3058 format_cb_window_active_sessions
3059 },
3060 { "window_active_sessions_list", FORMAT_TABLE_STRING,
3061 format_cb_window_active_sessions_list
3062 },
3063 { "window_activity", FORMAT_TABLE_TIME,
3064 format_cb_window_activity
3065 },
3066 { "window_activity_flag", FORMAT_TABLE_STRING,
3067 format_cb_window_activity_flag
3068 },
3069 { "window_bell_flag", FORMAT_TABLE_STRING,
3070 format_cb_window_bell_flag
3071 },
3072 { "window_bigger", FORMAT_TABLE_STRING,
3073 format_cb_window_bigger
3074 },
3075 { "window_cell_height", FORMAT_TABLE_STRING,
3076 format_cb_window_cell_height
3077 },
3078 { "window_cell_width", FORMAT_TABLE_STRING,
3079 format_cb_window_cell_width
3080 },
3081 { "window_end_flag", FORMAT_TABLE_STRING,
3082 format_cb_window_end_flag
3083 },
3084 { "window_flags", FORMAT_TABLE_STRING,
3085 format_cb_window_flags
3086 },
3087 { "window_format", FORMAT_TABLE_STRING,
3088 format_cb_window_format
3089 },
3090 { "window_height", FORMAT_TABLE_STRING,
3091 format_cb_window_height
3092 },
3093 { "window_id", FORMAT_TABLE_STRING,
3094 format_cb_window_id
3095 },
3096 { "window_index", FORMAT_TABLE_STRING,
3097 format_cb_window_index
3098 },
3099 { "window_last_flag", FORMAT_TABLE_STRING,
3100 format_cb_window_last_flag
3101 },
3102 { "window_layout", FORMAT_TABLE_STRING,
3103 format_cb_window_layout
3104 },
3105 { "window_linked", FORMAT_TABLE_STRING,
3106 format_cb_window_linked
3107 },
3108 { "window_linked_sessions", FORMAT_TABLE_STRING,
3109 format_cb_window_linked_sessions
3110 },
3111 { "window_linked_sessions_list", FORMAT_TABLE_STRING,
3112 format_cb_window_linked_sessions_list
3113 },
3114 { "window_marked_flag", FORMAT_TABLE_STRING,
3115 format_cb_window_marked_flag
3116 },
3117 { "window_name", FORMAT_TABLE_STRING,
3118 format_cb_window_name
3119 },
3120 { "window_offset_x", FORMAT_TABLE_STRING,
3121 format_cb_window_offset_x
3122 },
3123 { "window_offset_y", FORMAT_TABLE_STRING,
3124 format_cb_window_offset_y
3125 },
3126 { "window_panes", FORMAT_TABLE_STRING,
3127 format_cb_window_panes
3128 },
3129 { "window_raw_flags", FORMAT_TABLE_STRING,
3130 format_cb_window_raw_flags
3131 },
3132 { "window_silence_flag", FORMAT_TABLE_STRING,
3133 format_cb_window_silence_flag
3134 },
3135 { "window_stack_index", FORMAT_TABLE_STRING,
3136 format_cb_window_stack_index
3137 },
3138 { "window_start_flag", FORMAT_TABLE_STRING,
3139 format_cb_window_start_flag
3140 },
3141 { "window_visible_layout", FORMAT_TABLE_STRING,
3142 format_cb_window_visible_layout
3143 },
3144 { "window_width", FORMAT_TABLE_STRING,
3145 format_cb_window_width
3146 },
3147 { "window_zoomed_flag", FORMAT_TABLE_STRING,
3148 format_cb_window_zoomed_flag
3149 },
3150 { "wrap_flag", FORMAT_TABLE_STRING,
3151 format_cb_wrap_flag
3152 }
3153 };
3154
3155 /* Compare format table entries. */
3156 static int
3157 format_table_compare(const void *key0, const void *entry0)
3158 {
3159 const char *key = key0;
3160 const struct format_table_entry *entry = entry0;
3161
3162 return (strcmp(key, entry->key));
3163 }
3164
3165 /* Get a format callback. */
3166 static struct format_table_entry *
3167 format_table_get(const char *key)
3168 {
3169 return (bsearch(key, format_table, nitems(format_table),
3170 sizeof *format_table, format_table_compare));
3171 }
3172
3173 /* Merge one format tree into another. */
3174 void
3175 format_merge(struct format_tree *ft, struct format_tree *from)
3176 {
3177 struct format_entry *fe;
3178
3179 RB_FOREACH(fe, format_entry_tree, &from->tree) {
3180 if (fe->value != NULL)
3181 format_add(ft, fe->key, "%s", fe->value);
3182 }
3183 }
3184
3185 /* Get format pane. */
3186 struct window_pane *
3187 format_get_pane(struct format_tree *ft)
3188 {
3189 return (ft->wp);
3190 }
3191
3192 /* Add item bits to tree. */
3193 static void
3194 format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
3195 {
3196 struct key_event *event = cmdq_get_event(item);
3197 struct mouse_event *m = &event->m;
3198
3199 cmdq_merge_formats(item, ft);
3200 memcpy(&ft->m, m, sizeof ft->m);
3201 }
3202
3203 /* Create a new tree. */
3204 struct format_tree *
3205 format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
3206 {
3207 struct format_tree *ft;
3208
3209 ft = xcalloc(1, sizeof *ft);
3210 RB_INIT(&ft->tree);
3211
3212 if (c != NULL) {
3213 ft->client = c;
3214 ft->client->references++;
3215 }
3216 ft->item = item;
3217
3218 ft->tag = tag;
3219 ft->flags = flags;
3220
3221 if (item != NULL)
3222 format_create_add_item(ft, item);
3223
3224 return (ft);
3225 }
3226
3227 /* Free a tree. */
3228 void
3229 format_free(struct format_tree *ft)
3230 {
3231 struct format_entry *fe, *fe1;
3232
3233 RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
3234 RB_REMOVE(format_entry_tree, &ft->tree, fe);
3235 free(fe->value);
3236 free(fe->key);
3237 free(fe);
3238 }
3239
3240 if (ft->client != NULL)
3241 server_client_unref(ft->client);
3242 free(ft);
3243 }
3244
3245 /* Log each format. */
3246 static void
3247 format_log_debug_cb(const char *key, const char *value, void *arg)
3248 {
3249 const char *prefix = arg;
3250
3251 log_debug("%s: %s=%s", prefix, key, value);
3252 }
3253
3254 /* Log a format tree. */
3255 void
3256 format_log_debug(struct format_tree *ft, const char *prefix)
3257 {
3258 format_each(ft, format_log_debug_cb, (void *)prefix);
3259 }
3260
3261 /* Walk each format. */
3262 void
3263 format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
3264 void *), void *arg)
3265 {
3266 const struct format_table_entry *fte;
3267 struct format_entry *fe;
3268 u_int i;
3269 char s[64];
3270 void *value;
3271 struct timeval *tv;
3272
3273 for (i = 0; i < nitems(format_table); i++) {
3274 fte = &format_table[i];
3275
3276 value = fte->cb(ft);
3277 if (value == NULL)
3278 continue;
3279 if (fte->type == FORMAT_TABLE_TIME) {
3280 tv = value;
3281 xsnprintf(s, sizeof s, "%lld", (long long)tv->tv_sec);
3282 cb(fte->key, s, arg);
3283 } else {
3284 cb(fte->key, value, arg);
3285 free(value);
3286 }
3287 }
3288 RB_FOREACH(fe, format_entry_tree, &ft->tree) {
3289 if (fe->time != 0) {
3290 xsnprintf(s, sizeof s, "%lld", (long long)fe->time);
3291 cb(fe->key, s, arg);
3292 } else {
3293 if (fe->value == NULL && fe->cb != NULL) {
3294 fe->value = fe->cb(ft);
3295 if (fe->value == NULL)
3296 fe->value = xstrdup("");
3297 }
3298 cb(fe->key, fe->value, arg);
3299 }
3300 }
3301 }
3302
3303 /* Add a key-value pair. */
3304 void
3305 format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
3306 {
3307 struct format_entry *fe;
3308 struct format_entry *fe_now;
3309 va_list ap;
3310
3311 fe = xmalloc(sizeof *fe);
3312 fe->key = xstrdup(key);
3313
3314 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3315 if (fe_now != NULL) {
3316 free(fe->key);
3317 free(fe);
3318 free(fe_now->value);
3319 fe = fe_now;
3320 }
3321
3322 fe->cb = NULL;
3323 fe->time = 0;
3324
3325 va_start(ap, fmt);
3326 xvasprintf(&fe->value, fmt, ap);
3327 va_end(ap);
3328 }
3329
3330 /* Add a key and time. */
3331 void
3332 format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
3333 {
3334 struct format_entry *fe, *fe_now;
3335
3336 fe = xmalloc(sizeof *fe);
3337 fe->key = xstrdup(key);
3338
3339 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3340 if (fe_now != NULL) {
3341 free(fe->key);
3342 free(fe);
3343 free(fe_now->value);
3344 fe = fe_now;
3345 }
3346
3347 fe->cb = NULL;
3348 fe->time = tv->tv_sec;
3349
3350 fe->value = NULL;
3351 }
3352
3353 /* Add a key and function. */
3354 void
3355 format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
3356 {
3357 struct format_entry *fe;
3358 struct format_entry *fe_now;
3359
3360 fe = xmalloc(sizeof *fe);
3361 fe->key = xstrdup(key);
3362
3363 fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
3364 if (fe_now != NULL) {
3365 free(fe->key);
3366 free(fe);
3367 free(fe_now->value);
3368 fe = fe_now;
3369 }
3370
3371 fe->cb = cb;
3372 fe->time = 0;
3373
3374 fe->value = NULL;
3375 }
3376
3377 /* Quote shell special characters in string. */
3378 static char *
3379 format_quote_shell(const char *s)
3380 {
3381 const char *cp;
3382 char *out, *at;
3383
3384 at = out = xmalloc(strlen(s) * 2 + 1);
3385 for (cp = s; *cp != '\0'; cp++) {
3386 if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
3387 *at++ = '\\';
3388 *at++ = *cp;
3389 }
3390 *at = '\0';
3391 return (out);
3392 }
3393
3394 /* Quote #s in string. */
3395 static char *
3396 format_quote_style(const char *s)
3397 {
3398 const char *cp;
3399 char *out, *at;
3400
3401 at = out = xmalloc(strlen(s) * 2 + 1);
3402 for (cp = s; *cp != '\0'; cp++) {
3403 if (*cp == '#')
3404 *at++ = '#';
3405 *at++ = *cp;
3406 }
3407 *at = '\0';
3408 return (out);
3409 }
3410
3411 /* Make a prettier time. */
3412 char *
3413 format_pretty_time(time_t t, int seconds)
3414 {
3415 struct tm now_tm, tm;
3416 time_t now, age;
3417 char s[9];
3418
3419 time(&now);
3420 if (now < t)
3421 now = t;
3422 age = now - t;
3423
3424 localtime_r(&now, &now_tm);
3425 localtime_r(&t, &tm);
3426
3427 /* Last 24 hours. */
3428 if (age < 24 * 3600) {
3429 if (seconds)
3430 strftime(s, sizeof s, "%H:%M:%S", &tm);
3431 else
3432 strftime(s, sizeof s, "%H:%M", &tm);
3433 return (xstrdup(s));
3434 }
3435
3436 /* This month or last 28 days. */
3437 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon == now_tm.tm_mon) ||
3438 age < 28 * 24 * 3600) {
3439 strftime(s, sizeof s, "%a%d", &tm);
3440 return (xstrdup(s));
3441 }
3442
3443 /* Last 12 months. */
3444 if ((tm.tm_year == now_tm.tm_year && tm.tm_mon < now_tm.tm_mon) ||
3445 (tm.tm_year == now_tm.tm_year - 1 && tm.tm_mon > now_tm.tm_mon)) {
3446 strftime(s, sizeof s, "%d%b", &tm);
3447 return (xstrdup(s));
3448 }
3449
3450 /* Older than that. */
3451 strftime(s, sizeof s, "%h%y", &tm);
3452 return (xstrdup(s));
3453 }
3454
3455 /* Find a format entry. */
3456 static char *
3457 format_find(struct format_tree *ft, const char *key, int modifiers,
3458 const char *time_format)
3459 {
3460 struct format_table_entry *fte;
3461 void *value;
3462 struct format_entry *fe, fe_find;
3463 struct environ_entry *envent;
3464 struct options_entry *o;
3465 int idx;
3466 char *found = NULL, *saved, s[512];
3467 const char *errstr;
3468 time_t t = 0;
3469 struct tm tm;
3470
3471 o = options_parse_get(global_options, key, &idx, 0);
3472 if (o == NULL && ft->wp != NULL)
3473 o = options_parse_get(ft->wp->options, key, &idx, 0);
3474 if (o == NULL && ft->w != NULL)
3475 o = options_parse_get(ft->w->options, key, &idx, 0);
3476 if (o == NULL)
3477 o = options_parse_get(global_w_options, key, &idx, 0);
3478 if (o == NULL && ft->s != NULL)
3479 o = options_parse_get(ft->s->options, key, &idx, 0);
3480 if (o == NULL)
3481 o = options_parse_get(global_s_options, key, &idx, 0);
3482 if (o != NULL) {
3483 found = options_to_string(o, idx, 1);
3484 goto found;
3485 }
3486
3487 fte = format_table_get(key);
3488 if (fte != NULL) {
3489 value = fte->cb(ft);
3490 if (fte->type == FORMAT_TABLE_TIME && value != NULL)
3491 t = ((struct timeval *)value)->tv_sec;
3492 else
3493 found = value;
3494 goto found;
3495 }
3496 fe_find.key = (char *)key;
3497 fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
3498 if (fe != NULL) {
3499 if (fe->time != 0) {
3500 t = fe->time;
3501 goto found;
3502 }
3503 if (fe->value == NULL && fe->cb != NULL) {
3504 fe->value = fe->cb(ft);
3505 if (fe->value == NULL)
3506 fe->value = xstrdup("");
3507 }
3508 found = xstrdup(fe->value);
3509 goto found;
3510 }
3511
3512 if (~modifiers & FORMAT_TIMESTRING) {
3513 envent = NULL;
3514 if (ft->s != NULL)
3515 envent = environ_find(ft->s->environ, key);
3516 if (envent == NULL)
3517 envent = environ_find(global_environ, key);
3518 if (envent != NULL && envent->value != NULL) {
3519 found = xstrdup(envent->value);
3520 goto found;
3521 }
3522 }
3523
3524 return (NULL);
3525
3526 found:
3527 if (modifiers & FORMAT_TIMESTRING) {
3528 if (t == 0 && found != NULL) {
3529 t = strtonum(found, 0, INT64_MAX, &errstr);
3530 if (errstr != NULL)
3531 t = 0;
3532 free(found);
3533 }
3534 if (t == 0)
3535 return (NULL);
3536 if (modifiers & FORMAT_PRETTY)
3537 found = format_pretty_time(t, 0);
3538 else {
3539 if (time_format != NULL) {
3540 localtime_r(&t, &tm);
3541 strftime(s, sizeof s, time_format, &tm);
3542 } else {
3543 ctime_r(&t, s);
3544 s[strcspn(s, "\n")] = '\0';
3545 }
3546 found = xstrdup(s);
3547 }
3548 return (found);
3549 }
3550
3551 if (t != 0)
3552 xasprintf(&found, "%lld", (long long)t);
3553 else if (found == NULL)
3554 return (NULL);
3555 if (modifiers & FORMAT_BASENAME) {
3556 saved = found;
3557 found = xstrdup(basename(saved));
3558 free(saved);
3559 }
3560 if (modifiers & FORMAT_DIRNAME) {
3561 saved = found;
3562 found = xstrdup(dirname(saved));
3563 free(saved);
3564 }
3565 if (modifiers & FORMAT_QUOTE_SHELL) {
3566 saved = found;
3567 found = format_quote_shell(saved);
3568 free(saved);
3569 }
3570 if (modifiers & FORMAT_QUOTE_STYLE) {
3571 saved = found;
3572 found = format_quote_style(saved);
3573 free(saved);
3574 }
3575 return (found);
3576 }
3577
3578 /* Remove escaped characters from string. */
3579 static char *
3580 format_strip(const char *s)
3581 {
3582 char *out, *cp;
3583 int brackets = 0;
3584
3585 cp = out = xmalloc(strlen(s) + 1);
3586 for (; *s != '\0'; s++) {
3587 if (*s == '#' && s[1] == '{')
3588 brackets++;
3589 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3590 if (brackets != 0)
3591 *cp++ = *s;
3592 continue;
3593 }
3594 if (*s == '}')
3595 brackets--;
3596 *cp++ = *s;
3597 }
3598 *cp = '\0';
3599 return (out);
3600 }
3601
3602 /* Skip until end. */
3603 const char *
3604 format_skip(const char *s, const char *end)
3605 {
3606 int brackets = 0;
3607
3608 for (; *s != '\0'; s++) {
3609 if (*s == '#' && s[1] == '{')
3610 brackets++;
3611 if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
3612 s++;
3613 continue;
3614 }
3615 if (*s == '}')
3616 brackets--;
3617 if (strchr(end, *s) != NULL && brackets == 0)
3618 break;
3619 }
3620 if (*s == '\0')
3621 return (NULL);
3622 return (s);
3623 }
3624
3625 /* Return left and right alternatives separated by commas. */
3626 static int
3627 format_choose(struct format_expand_state *es, const char *s, char **left,
3628 char **right, int expand)
3629 {
3630 const char *cp;
3631 char *left0, *right0;
3632
3633 cp = format_skip(s, ",");
3634 if (cp == NULL)
3635 return (-1);
3636 left0 = xstrndup(s, cp - s);
3637 right0 = xstrdup(cp + 1);
3638
3639 if (expand) {
3640 *left = format_expand1(es, left0);
3641 free(left0);
3642 *right = format_expand1(es, right0);
3643 free(right0);
3644 } else {
3645 *left = left0;
3646 *right = right0;
3647 }
3648 return (0);
3649 }
3650
3651 /* Is this true? */
3652 int
3653 format_true(const char *s)
3654 {
3655 if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
3656 return (1);
3657 return (0);
3658 }
3659
3660 /* Check if modifier end. */
3661 static int
3662 format_is_end(char c)
3663 {
3664 return (c == ';' || c == ':');
3665 }
3666
3667 /* Add to modifier list. */
3668 static void
3669 format_add_modifier(struct format_modifier **list, u_int *count,
3670 const char *c, size_t n, char **argv, int argc)
3671 {
3672 struct format_modifier *fm;
3673
3674 *list = xreallocarray(*list, (*count) + 1, sizeof **list);
3675 fm = &(*list)[(*count)++];
3676
3677 memcpy(fm->modifier, c, n);
3678 fm->modifier[n] = '\0';
3679 fm->size = n;
3680
3681 fm->argv = argv;
3682 fm->argc = argc;
3683 }
3684
3685 /* Free modifier list. */
3686 static void
3687 format_free_modifiers(struct format_modifier *list, u_int count)
3688 {
3689 u_int i;
3690
3691 for (i = 0; i < count; i++)
3692 cmd_free_argv(list[i].argc, list[i].argv);
3693 free(list);
3694 }
3695
3696 /* Build modifier list. */
3697 static struct format_modifier *
3698 format_build_modifiers(struct format_expand_state *es, const char **s,
3699 u_int *count)
3700 {
3701 const char *cp = *s, *end;
3702 struct format_modifier *list = NULL;
3703 char c, last[] = "X;:", **argv, *value;
3704 int argc;
3705
3706 /*
3707 * Modifiers are a ; separated list of the forms:
3708 * l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,<,>
3709 * =a
3710 * =/a
3711 * =/a/
3712 * s/a/b/
3713 * s/a/b
3714 * ||,&&,!=,==,<=,>=
3715 */
3716
3717 *count = 0;
3718
3719 while (*cp != '\0' && *cp != ':') {
3720 /* Skip any separator character. */
3721 if (*cp == ';')
3722 cp++;
3723
3724 /* Check single character modifiers with no arguments. */
3725 if (strchr("labcdnwETSWP<>", cp[0]) != NULL &&
3726 format_is_end(cp[1])) {
3727 format_add_modifier(&list, count, cp, 1, NULL, 0);
3728 cp++;
3729 continue;
3730 }
3731
3732 /* Then try double character with no arguments. */
3733 if ((memcmp("||", cp, 2) == 0 ||
3734 memcmp("&&", cp, 2) == 0 ||
3735 memcmp("!=", cp, 2) == 0 ||
3736 memcmp("==", cp, 2) == 0 ||
3737 memcmp("<=", cp, 2) == 0 ||
3738 memcmp(">=", cp, 2) == 0) &&
3739 format_is_end(cp[2])) {
3740 format_add_modifier(&list, count, cp, 2, NULL, 0);
3741 cp += 2;
3742 continue;
3743 }
3744
3745 /* Now try single character with arguments. */
3746 if (strchr("mCNst=peq", cp[0]) == NULL)
3747 break;
3748 c = cp[0];
3749
3750 /* No arguments provided. */
3751 if (format_is_end(cp[1])) {
3752 format_add_modifier(&list, count, cp, 1, NULL, 0);
3753 cp++;
3754 continue;
3755 }
3756 argv = NULL;
3757 argc = 0;
3758
3759 /* Single argument with no wrapper character. */
3760 if (!ispunct(cp[1]) || cp[1] == '-') {
3761 end = format_skip(cp + 1, ":;");
3762 if (end == NULL)
3763 break;
3764
3765 argv = xcalloc(1, sizeof *argv);
3766 value = xstrndup(cp + 1, end - (cp + 1));
3767 argv[0] = format_expand1(es, value);
3768 free(value);
3769 argc = 1;
3770
3771 format_add_modifier(&list, count, &c, 1, argv, argc);
3772 cp = end;
3773 continue;
3774 }
3775
3776 /* Multiple arguments with a wrapper character. */
3777 last[0] = cp[1];
3778 cp++;
3779 do {
3780 if (cp[0] == last[0] && format_is_end(cp[1])) {
3781 cp++;
3782 break;
3783 }
3784 end = format_skip(cp + 1, last);
3785 if (end == NULL)
3786 break;
3787 cp++;
3788
3789 argv = xreallocarray(argv, argc + 1, sizeof *argv);
3790 value = xstrndup(cp, end - cp);
3791 argv[argc++] = format_expand1(es, value);
3792 free(value);
3793
3794 cp = end;
3795 } while (!format_is_end(cp[0]));
3796 format_add_modifier(&list, count, &c, 1, argv, argc);
3797 }
3798 if (*cp != ':') {
3799 format_free_modifiers(list, *count);
3800 *count = 0;
3801 return (NULL);
3802 }
3803 *s = cp + 1;
3804 return (list);
3805 }
3806
3807 /* Match against an fnmatch(3) pattern or regular expression. */
3808 static char *
3809 format_match(struct format_modifier *fm, const char *pattern, const char *text)
3810 {
3811 const char *s = "";
3812 regex_t r;
3813 int flags = 0;
3814
3815 if (fm->argc >= 1)
3816 s = fm->argv[0];
3817 if (strchr(s, 'r') == NULL) {
3818 if (strchr(s, 'i') != NULL)
3819 flags |= FNM_CASEFOLD;
3820 if (fnmatch(pattern, text, flags) != 0)
3821 return (xstrdup("0"));
3822 } else {
3823 flags = REG_EXTENDED|REG_NOSUB;
3824 if (strchr(s, 'i') != NULL)
3825 flags |= REG_ICASE;
3826 if (regcomp(&r, pattern, flags) != 0)
3827 return (xstrdup("0"));
3828 if (regexec(&r, text, 0, NULL, 0) != 0) {
3829 regfree(&r);
3830 return (xstrdup("0"));
3831 }
3832 regfree(&r);
3833 }
3834 return (xstrdup("1"));
3835 }
3836
3837 /* Perform substitution in string. */
3838 static char *
3839 format_sub(struct format_modifier *fm, const char *text, const char *pattern,
3840 const char *with)
3841 {
3842 char *value;
3843 int flags = REG_EXTENDED;
3844
3845 if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
3846 flags |= REG_ICASE;
3847 value = regsub(pattern, with, text, flags);
3848 if (value == NULL)
3849 return (xstrdup(text));
3850 return (value);
3851 }
3852
3853 /* Search inside pane. */
3854 static char *
3855 format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
3856 {
3857 int ignore = 0, regex = 0;
3858 char *value;
3859
3860 if (fm->argc >= 1) {
3861 if (strchr(fm->argv[0], 'i') != NULL)
3862 ignore = 1;
3863 if (strchr(fm->argv[0], 'r') != NULL)
3864 regex = 1;
3865 }
3866 xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
3867 return (value);
3868 }
3869
3870 /* Does session name exist? */
3871 static char *
3872 format_session_name(struct format_expand_state *es, const char *fmt)
3873 {
3874 char *name;
3875 struct session *s;
3876
3877 name = format_expand1(es, fmt);
3878 RB_FOREACH(s, sessions, &sessions) {
3879 if (strcmp(s->name, name) == 0) {
3880 free(name);
3881 return (xstrdup("1"));
3882 }
3883 }
3884 free(name);
3885 return (xstrdup("0"));
3886 }
3887
3888 /* Loop over sessions. */
3889 static char *
3890 format_loop_sessions(struct format_expand_state *es, const char *fmt)
3891 {
3892 struct format_tree *ft = es->ft;
3893 struct client *c = ft->client;
3894 struct cmdq_item *item = ft->item;
3895 struct format_tree *nft;
3896 struct format_expand_state next;
3897 char *expanded, *value;
3898 size_t valuelen;
3899 struct session *s;
3900
3901 value = xcalloc(1, 1);
3902 valuelen = 1;
3903
3904 RB_FOREACH(s, sessions, &sessions) {
3905 format_log(es, "session loop: $%u", s->id);
3906 nft = format_create(c, item, FORMAT_NONE, ft->flags);
3907 format_defaults(nft, ft->c, s, NULL, NULL);
3908 format_copy_state(&next, es, 0);
3909 next.ft = nft;
3910 expanded = format_expand1(&next, fmt);
3911 format_free(next.ft);
3912
3913 valuelen += strlen(expanded);
3914 value = xrealloc(value, valuelen);
3915
3916 strlcat(value, expanded, valuelen);
3917 free(expanded);
3918 }
3919
3920 return (value);
3921 }
3922
3923 /* Does window name exist? */
3924 static char *
3925 format_window_name(struct format_expand_state *es, const char *fmt)
3926 {
3927 struct format_tree *ft = es->ft;
3928 char *name;
3929 struct winlink *wl;
3930
3931 if (ft->s == NULL) {
3932 format_log(es, "window name but no session");
3933 return (NULL);
3934 }
3935
3936 name = format_expand1(es, fmt);
3937 RB_FOREACH(wl, winlinks, &ft->s->windows) {
3938 if (strcmp(wl->window->name, name) == 0) {
3939 free(name);
3940 return (xstrdup("1"));
3941 }
3942 }
3943 free(name);
3944 return (xstrdup("0"));
3945 }
3946
3947 /* Loop over windows. */
3948 static char *
3949 format_loop_windows(struct format_expand_state *es, const char *fmt)
3950 {
3951 struct format_tree *ft = es->ft;
3952 struct client *c = ft->client;
3953 struct cmdq_item *item = ft->item;
3954 struct format_tree *nft;
3955 struct format_expand_state next;
3956 char *all, *active, *use, *expanded, *value;
3957 size_t valuelen;
3958 struct winlink *wl;
3959 struct window *w;
3960
3961 if (ft->s == NULL) {
3962 format_log(es, "window loop but no session");
3963 return (NULL);
3964 }
3965
3966 if (format_choose(es, fmt, &all, &active, 0) != 0) {
3967 all = xstrdup(fmt);
3968 active = NULL;
3969 }
3970
3971 value = xcalloc(1, 1);
3972 valuelen = 1;
3973
3974 RB_FOREACH(wl, winlinks, &ft->s->windows) {
3975 w = wl->window;
3976 format_log(es, "window loop: %u @%u", wl->idx, w->id);
3977 if (active != NULL && wl == ft->s->curw)
3978 use = active;
3979 else
3980 use = all;
3981 nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
3982 format_defaults(nft, ft->c, ft->s, wl, NULL);
3983 format_copy_state(&next, es, 0);
3984 next.ft = nft;
3985 expanded = format_expand1(&next, use);
3986 format_free(nft);
3987
3988 valuelen += strlen(expanded);
3989 value = xrealloc(value, valuelen);
3990
3991 strlcat(value, expanded, valuelen);
3992 free(expanded);
3993 }
3994
3995 free(active);
3996 free(all);
3997
3998 return (value);
3999 }
4000
4001 /* Loop over panes. */
4002 static char *
4003 format_loop_panes(struct format_expand_state *es, const char *fmt)
4004 {
4005 struct format_tree *ft = es->ft;
4006 struct client *c = ft->client;
4007 struct cmdq_item *item = ft->item;
4008 struct format_tree *nft;
4009 struct format_expand_state next;
4010 char *all, *active, *use, *expanded, *value;
4011 size_t valuelen;
4012 struct window_pane *wp;
4013
4014 if (ft->w == NULL) {
4015 format_log(es, "pane loop but no window");
4016 return (NULL);
4017 }
4018
4019 if (format_choose(es, fmt, &all, &active, 0) != 0) {
4020 all = xstrdup(fmt);
4021 active = NULL;
4022 }
4023
4024 value = xcalloc(1, 1);
4025 valuelen = 1;
4026
4027 TAILQ_FOREACH(wp, &ft->w->panes, entry) {
4028 format_log(es, "pane loop: %%%u", wp->id);
4029 if (active != NULL && wp == ft->w->active)
4030 use = active;
4031 else
4032 use = all;
4033 nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
4034 format_defaults(nft, ft->c, ft->s, ft->wl, wp);
4035 format_copy_state(&next, es, 0);
4036 next.ft = nft;
4037 expanded = format_expand1(&next, use);
4038 format_free(nft);
4039
4040 valuelen += strlen(expanded);
4041 value = xrealloc(value, valuelen);
4042
4043 strlcat(value, expanded, valuelen);
4044 free(expanded);
4045 }
4046
4047 free(active);
4048 free(all);
4049
4050 return (value);
4051 }
4052
4053 static char *
4054 format_replace_expression(struct format_modifier *mexp,
4055 struct format_expand_state *es, const char *copy)
4056 {
4057 int argc = mexp->argc;
4058 const char *errstr;
4059 char *endch, *value, *left = NULL, *right = NULL;
4060 int use_fp = 0;
4061 u_int prec = 0;
4062 double mleft, mright, result;
4063 enum { ADD,
4064 SUBTRACT,
4065 MULTIPLY,
4066 DIVIDE,
4067 MODULUS,
4068 EQUAL,
4069 NOT_EQUAL,
4070 GREATER_THAN,
4071 GREATER_THAN_EQUAL,
4072 LESS_THAN,
4073 LESS_THAN_EQUAL } operator;
4074
4075 if (strcmp(mexp->argv[0], "+") == 0)
4076 operator = ADD;
4077 else if (strcmp(mexp->argv[0], "-") == 0)
4078 operator = SUBTRACT;
4079 else if (strcmp(mexp->argv[0], "*") == 0)
4080 operator = MULTIPLY;
4081 else if (strcmp(mexp->argv[0], "/") == 0)
4082 operator = DIVIDE;
4083 else if (strcmp(mexp->argv[0], "%") == 0 ||
4084 strcmp(mexp->argv[0], "m") == 0)
4085 operator = MODULUS;
4086 else if (strcmp(mexp->argv[0], "==") == 0)
4087 operator = EQUAL;
4088 else if (strcmp(mexp->argv[0], "!=") == 0)
4089 operator = NOT_EQUAL;
4090 else if (strcmp(mexp->argv[0], ">") == 0)
4091 operator = GREATER_THAN;
4092 else if (strcmp(mexp->argv[0], "<") == 0)
4093 operator = LESS_THAN;
4094 else if (strcmp(mexp->argv[0], ">=") == 0)
4095 operator = GREATER_THAN_EQUAL;
4096 else if (strcmp(mexp->argv[0], "<=") == 0)
4097 operator = LESS_THAN_EQUAL;
4098 else {
4099 format_log(es, "expression has no valid operator: '%s'",
4100 mexp->argv[0]);
4101 goto fail;
4102 }
4103
4104 /* The second argument may be flags. */
4105 if (argc >= 2 && strchr(mexp->argv[1], 'f') != NULL) {
4106 use_fp = 1;
4107 prec = 2;
4108 }
4109
4110 /* The third argument may be precision. */
4111 if (argc >= 3) {
4112 prec = strtonum(mexp->argv[2], INT_MIN, INT_MAX, &errstr);
4113 if (errstr != NULL) {
4114 format_log(es, "expression precision %s: %s", errstr,
4115 mexp->argv[2]);
4116 goto fail;
4117 }
4118 }
4119
4120 if (format_choose(es, copy, &left, &right, 1) != 0) {
4121 format_log(es, "expression syntax error");
4122 goto fail;
4123 }
4124
4125 mleft = strtod(left, &endch);
4126 if (*endch != '\0') {
4127 format_log(es, "expression left side is invalid: %s", left);
4128 goto fail;
4129 }
4130
4131 mright = strtod(right, &endch);
4132 if (*endch != '\0') {
4133 format_log(es, "expression right side is invalid: %s", right);
4134 goto fail;
4135 }
4136
4137 if (!use_fp) {
4138 mleft = (long long)mleft;
4139 mright = (long long)mright;
4140 }
4141 format_log(es, "expression left side is: %.*f", prec, mleft);
4142 format_log(es, "expression right side is: %.*f", prec, mright);
4143
4144 switch (operator) {
4145 case ADD:
4146 result = mleft + mright;
4147 break;
4148 case SUBTRACT:
4149 result = mleft - mright;
4150 break;
4151 case MULTIPLY:
4152 result = mleft * mright;
4153 break;
4154 case DIVIDE:
4155 result = mleft / mright;
4156 break;
4157 case MODULUS:
4158 result = fmod(mleft, mright);
4159 break;
4160 case EQUAL:
4161 result = fabs(mleft - mright) < 1e-9;
4162 break;
4163 case NOT_EQUAL:
4164 result = fabs(mleft - mright) > 1e-9;
4165 break;
4166 case GREATER_THAN:
4167 result = (mleft > mright);
4168 break;
4169 case GREATER_THAN_EQUAL:
4170 result = (mleft >= mright);
4171 break;
4172 case LESS_THAN:
4173 result = (mleft < mright);
4174 break;
4175 case LESS_THAN_EQUAL:
4176 result = (mleft <= mright);
4177 break;
4178 }
4179 if (use_fp)
4180 xasprintf(&value, "%.*f", prec, result);
4181 else
4182 xasprintf(&value, "%.*f", prec, (double)(long long)result);
4183 format_log(es, "expression result is %s", value);
4184
4185 free(right);
4186 free(left);
4187 return (value);
4188
4189 fail:
4190 free(right);
4191 free(left);
4192 return (NULL);
4193 }
4194
4195 /* Replace a key. */
4196 static int
4197 format_replace(struct format_expand_state *es, const char *key, size_t keylen,
4198 char **buf, size_t *len, size_t *off)
4199 {
4200 struct format_tree *ft = es->ft;
4201 struct window_pane *wp = ft->wp;
4202 const char *errstr, *copy, *cp, *marker = NULL;
4203 const char *time_format = NULL;
4204 char *copy0, *condition, *found, *new;
4205 char *value, *left, *right;
4206 size_t valuelen;
4207 int modifiers = 0, limit = 0, width = 0;
4208 int j, c;
4209 struct format_modifier *list, *cmp = NULL, *search = NULL;
4210 struct format_modifier **sub = NULL, *mexp = NULL, *fm;
4211 u_int i, count, nsub = 0;
4212 struct format_expand_state next;
4213
4214 /* Make a copy of the key. */
4215 copy = copy0 = xstrndup(key, keylen);
4216
4217 /* Process modifier list. */
4218 list = format_build_modifiers(es, &copy, &count);
4219 for (i = 0; i < count; i++) {
4220 fm = &list[i];
4221 if (format_logging(ft)) {
4222 format_log(es, "modifier %u is %s", i, fm->modifier);
4223 for (j = 0; j < fm->argc; j++) {
4224 format_log(es, "modifier %u argument %d: %s", i,
4225 j, fm->argv[j]);
4226 }
4227 }
4228 if (fm->size == 1) {
4229 switch (fm->modifier[0]) {
4230 case 'm':
4231 case '<':
4232 case '>':
4233 cmp = fm;
4234 break;
4235 case 'C':
4236 search = fm;
4237 break;
4238 case 's':
4239 if (fm->argc < 2)
4240 break;
4241 sub = xreallocarray(sub, nsub + 1, sizeof *sub);
4242 sub[nsub++] = fm;
4243 break;
4244 case '=':
4245 if (fm->argc < 1)
4246 break;
4247 limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4248 &errstr);
4249 if (errstr != NULL)
4250 limit = 0;
4251 if (fm->argc >= 2 && fm->argv[1] != NULL)
4252 marker = fm->argv[1];
4253 break;
4254 case 'p':
4255 if (fm->argc < 1)
4256 break;
4257 width = strtonum(fm->argv[0], INT_MIN, INT_MAX,
4258 &errstr);
4259 if (errstr != NULL)
4260 width = 0;
4261 break;
4262 case 'w':
4263 modifiers |= FORMAT_WIDTH;
4264 break;
4265 case 'e':
4266 if (fm->argc < 1 || fm->argc > 3)
4267 break;
4268 mexp = fm;
4269 break;
4270 case 'l':
4271 modifiers |= FORMAT_LITERAL;
4272 break;
4273 case 'a':
4274 modifiers |= FORMAT_CHARACTER;
4275 break;
4276 case 'b':
4277 modifiers |= FORMAT_BASENAME;
4278 break;
4279 case 'c':
4280 modifiers |= FORMAT_COLOUR;
4281 break;
4282 case 'd':
4283 modifiers |= FORMAT_DIRNAME;
4284 break;
4285 case 'n':
4286 modifiers |= FORMAT_LENGTH;
4287 break;
4288 case 't':
4289 modifiers |= FORMAT_TIMESTRING;
4290 if (fm->argc < 1)
4291 break;
4292 if (strchr(fm->argv[0], 'p') != NULL)
4293 modifiers |= FORMAT_PRETTY;
4294 else if (fm->argc >= 2 &&
4295 strchr(fm->argv[0], 'f') != NULL)
4296 time_format = format_strip(fm->argv[1]);
4297 break;
4298 case 'q':
4299 if (fm->argc < 1)
4300 modifiers |= FORMAT_QUOTE_SHELL;
4301 else if (strchr(fm->argv[0], 'e') != NULL ||
4302 strchr(fm->argv[0], 'h') != NULL)
4303 modifiers |= FORMAT_QUOTE_STYLE;
4304 break;
4305 case 'E':
4306 modifiers |= FORMAT_EXPAND;
4307 break;
4308 case 'T':
4309 modifiers |= FORMAT_EXPANDTIME;
4310 break;
4311 case 'N':
4312 if (fm->argc < 1 ||
4313 strchr(fm->argv[0], 'w') != NULL)
4314 modifiers |= FORMAT_WINDOW_NAME;
4315 else if (strchr(fm->argv[0], 's') != NULL)
4316 modifiers |= FORMAT_SESSION_NAME;
4317 break;
4318 case 'S':
4319 modifiers |= FORMAT_SESSIONS;
4320 break;
4321 case 'W':
4322 modifiers |= FORMAT_WINDOWS;
4323 break;
4324 case 'P':
4325 modifiers |= FORMAT_PANES;
4326 break;
4327 }
4328 } else if (fm->size == 2) {
4329 if (strcmp(fm->modifier, "||") == 0 ||
4330 strcmp(fm->modifier, "&&") == 0 ||
4331 strcmp(fm->modifier, "==") == 0 ||
4332 strcmp(fm->modifier, "!=") == 0 ||
4333 strcmp(fm->modifier, ">=") == 0 ||
4334 strcmp(fm->modifier, "<=") == 0)
4335 cmp = fm;
4336 }
4337 }
4338
4339 /* Is this a literal string? */
4340 if (modifiers & FORMAT_LITERAL) {
4341 value = xstrdup(copy);
4342 goto done;
4343 }
4344
4345 /* Is this a character? */
4346 if (modifiers & FORMAT_CHARACTER) {
4347 new = format_expand1(es, copy);
4348 c = strtonum(new, 32, 126, &errstr);
4349 if (errstr != NULL)
4350 value = xstrdup("");
4351 else
4352 xasprintf(&value, "%c", c);
4353 free(new);
4354 goto done;
4355 }
4356
4357 /* Is this a colour? */
4358 if (modifiers & FORMAT_COLOUR) {
4359 new = format_expand1(es, copy);
4360 c = colour_fromstring(new);
4361 if (c == -1 || (c = colour_force_rgb(c)) == -1)
4362 value = xstrdup("");
4363 else
4364 xasprintf(&value, "%06x", c & 0xffffff);
4365 free(new);
4366 goto done;
4367 }
4368
4369 /* Is this a loop, comparison or condition? */
4370 if (modifiers & FORMAT_SESSIONS) {
4371 value = format_loop_sessions(es, copy);
4372 if (value == NULL)
4373 goto fail;
4374 } else if (modifiers & FORMAT_WINDOWS) {
4375 value = format_loop_windows(es, copy);
4376 if (value == NULL)
4377 goto fail;
4378 } else if (modifiers & FORMAT_PANES) {
4379 value = format_loop_panes(es, copy);
4380 if (value == NULL)
4381 goto fail;
4382 } else if (modifiers & FORMAT_WINDOW_NAME) {
4383 value = format_window_name(es, copy);
4384 if (value == NULL)
4385 goto fail;
4386 } else if (modifiers & FORMAT_SESSION_NAME) {
4387 value = format_session_name(es, copy);
4388 if (value == NULL)
4389 goto fail;
4390 } else if (search != NULL) {
4391 /* Search in pane. */
4392 new = format_expand1(es, copy);
4393 if (wp == NULL) {
4394 format_log(es, "search '%s' but no pane", new);
4395 value = xstrdup("0");
4396 } else {
4397 format_log(es, "search '%s' pane %%%u", new, wp->id);
4398 value = format_search(search, wp, new);
4399 }
4400 free(new);
4401 } else if (cmp != NULL) {
4402 /* Comparison of left and right. */
4403 if (format_choose(es, copy, &left, &right, 1) != 0) {
4404 format_log(es, "compare %s syntax error: %s",
4405 cmp->modifier, copy);
4406 goto fail;
4407 }
4408 format_log(es, "compare %s left is: %s", cmp->modifier, left);
4409 format_log(es, "compare %s right is: %s", cmp->modifier, right);
4410
4411 if (strcmp(cmp->modifier, "||") == 0) {
4412 if (format_true(left) || format_true(right))
4413 value = xstrdup("1");
4414 else
4415 value = xstrdup("0");
4416 } else if (strcmp(cmp->modifier, "&&") == 0) {
4417 if (format_true(left) && format_true(right))
4418 value = xstrdup("1");
4419 else
4420 value = xstrdup("0");
4421 } else if (strcmp(cmp->modifier, "==") == 0) {
4422 if (strcmp(left, right) == 0)
4423 value = xstrdup("1");
4424 else
4425 value = xstrdup("0");
4426 } else if (strcmp(cmp->modifier, "!=") == 0) {
4427 if (strcmp(left, right) != 0)
4428 value = xstrdup("1");
4429 else
4430 value = xstrdup("0");
4431 } else if (strcmp(cmp->modifier, "<") == 0) {
4432 if (strcmp(left, right) < 0)
4433 value = xstrdup("1");
4434 else
4435 value = xstrdup("0");
4436 } else if (strcmp(cmp->modifier, ">") == 0) {
4437 if (strcmp(left, right) > 0)
4438 value = xstrdup("1");
4439 else
4440 value = xstrdup("0");
4441 } else if (strcmp(cmp->modifier, "<=") == 0) {
4442 if (strcmp(left, right) <= 0)
4443 value = xstrdup("1");
4444 else
4445 value = xstrdup("0");
4446 } else if (strcmp(cmp->modifier, ">=") == 0) {
4447 if (strcmp(left, right) >= 0)
4448 value = xstrdup("1");
4449 else
4450 value = xstrdup("0");
4451 } else if (strcmp(cmp->modifier, "m") == 0)
4452 value = format_match(cmp, left, right);
4453
4454 free(right);
4455 free(left);
4456 } else if (*copy == '?') {
4457 /* Conditional: check first and choose second or third. */
4458 cp = format_skip(copy + 1, ",");
4459 if (cp == NULL) {
4460 format_log(es, "condition syntax error: %s", copy + 1);
4461 goto fail;
4462 }
4463 condition = xstrndup(copy + 1, cp - (copy + 1));
4464 format_log(es, "condition is: %s", condition);
4465
4466 found = format_find(ft, condition, modifiers, time_format);
4467 if (found == NULL) {
4468 /*
4469 * If the condition not found, try to expand it. If
4470 * the expansion doesn't have any effect, then assume
4471 * false.
4472 */
4473 found = format_expand1(es, condition);
4474 if (strcmp(found, condition) == 0) {
4475 free(found);
4476 found = xstrdup("");
4477 format_log(es,
4478 "condition '%s' not found; assuming false",
4479 condition);
4480 }
4481 } else {
4482 format_log(es, "condition '%s' found: %s", condition,
4483 found);
4484 }
4485
4486 if (format_choose(es, cp + 1, &left, &right, 0) != 0) {
4487 format_log(es, "condition '%s' syntax error: %s",
4488 condition, cp + 1);
4489 free(found);
4490 goto fail;
4491 }
4492 if (format_true(found)) {
4493 format_log(es, "condition '%s' is true", condition);
4494 value = format_expand1(es, left);
4495 } else {
4496 format_log(es, "condition '%s' is false", condition);
4497 value = format_expand1(es, right);
4498 }
4499 free(right);
4500 free(left);
4501
4502 free(condition);
4503 free(found);
4504 } else if (mexp != NULL) {
4505 value = format_replace_expression(mexp, es, copy);
4506 if (value == NULL)
4507 value = xstrdup("");
4508 } else {
4509 if (strstr(copy, "#{") != 0) {
4510 format_log(es, "expanding inner format '%s'", copy);
4511 value = format_expand1(es, copy);
4512 } else {
4513 value = format_find(ft, copy, modifiers, time_format);
4514 if (value == NULL) {
4515 format_log(es, "format '%s' not found", copy);
4516 value = xstrdup("");
4517 } else {
4518 format_log(es, "format '%s' found: %s", copy,
4519 value);
4520 }
4521 }
4522 }
4523
4524 done:
4525 /* Expand again if required. */
4526 if (modifiers & FORMAT_EXPAND) {
4527 new = format_expand1(es, value);
4528 free(value);
4529 value = new;
4530 } else if (modifiers & FORMAT_EXPANDTIME) {
4531 format_copy_state(&next, es, FORMAT_EXPAND_TIME);
4532 new = format_expand1(&next, value);
4533 free(value);
4534 value = new;
4535 }
4536
4537 /* Perform substitution if any. */
4538 for (i = 0; i < nsub; i++) {
4539 left = format_expand1(es, sub[i]->argv[0]);
4540 right = format_expand1(es, sub[i]->argv[1]);
4541 new = format_sub(sub[i], value, left, right);
4542 format_log(es, "substitute '%s' to '%s': %s", left, right, new);
4543 free(value);
4544 value = new;
4545 free(right);
4546 free(left);
4547 }
4548
4549 /* Truncate the value if needed. */
4550 if (limit > 0) {
4551 new = format_trim_left(value, limit);
4552 if (marker != NULL && strcmp(new, value) != 0) {
4553 free(value);
4554 xasprintf(&value, "%s%s", new, marker);
4555 } else {
4556 free(value);
4557 value = new;
4558 }
4559 format_log(es, "applied length limit %d: %s", limit, value);
4560 } else if (limit < 0) {
4561 new = format_trim_right(value, -limit);
4562 if (marker != NULL && strcmp(new, value) != 0) {
4563 free(value);
4564 xasprintf(&value, "%s%s", marker, new);
4565 } else {
4566 free(value);
4567 value = new;
4568 }
4569 format_log(es, "applied length limit %d: %s", limit, value);
4570 }
4571
4572 /* Pad the value if needed. */
4573 if (width > 0) {
4574 new = utf8_padcstr(value, width);
4575 free(value);
4576 value = new;
4577 format_log(es, "applied padding width %d: %s", width, value);
4578 } else if (width < 0) {
4579 new = utf8_rpadcstr(value, -width);
4580 free(value);
4581 value = new;
4582 format_log(es, "applied padding width %d: %s", width, value);
4583 }
4584
4585 /* Replace with the length or width if needed. */
4586 if (modifiers & FORMAT_LENGTH) {
4587 xasprintf(&new, "%zu", strlen(value));
4588 free(value);
4589 value = new;
4590 format_log(es, "replacing with length: %s", new);
4591 }
4592 if (modifiers & FORMAT_WIDTH) {
4593 xasprintf(&new, "%u", format_width(value));
4594 free(value);
4595 value = new;
4596 format_log(es, "replacing with width: %s", new);
4597 }
4598
4599 /* Expand the buffer and copy in the value. */
4600 valuelen = strlen(value);
4601 while (*len - *off < valuelen + 1) {
4602 *buf = xreallocarray(*buf, 2, *len);
4603 *len *= 2;
4604 }
4605 memcpy(*buf + *off, value, valuelen);
4606 *off += valuelen;
4607
4608 format_log(es, "replaced '%s' with '%s'", copy0, value);
4609 free(value);
4610
4611 free(sub);
4612 format_free_modifiers(list, count);
4613 free(copy0);
4614 return (0);
4615
4616 fail:
4617 format_log(es, "failed %s", copy0);
4618
4619 free(sub);
4620 format_free_modifiers(list, count);
4621 free(copy0);
4622 return (-1);
4623 }
4624
4625 /* Expand keys in a template. */
4626 static char *
4627 format_expand1(struct format_expand_state *es, const char *fmt)
4628 {
4629 struct format_tree *ft = es->ft;
4630 char *buf, *out, *name;
4631 const char *ptr, *s, *style_end = NULL;
4632 size_t off, len, n, outlen;
4633 int ch, brackets;
4634 char expanded[8192];
4635
4636 if (fmt == NULL || *fmt == '\0')
4637 return (xstrdup(""));
4638
4639 if (es->loop == FORMAT_LOOP_LIMIT) {
4640 format_log(es, "reached loop limit (%u)", FORMAT_LOOP_LIMIT);
4641 return (xstrdup(""));
4642 }
4643 es->loop++;
4644
4645 format_log(es, "expanding format: %s", fmt);
4646
4647 if ((es->flags & FORMAT_EXPAND_TIME) && strchr(fmt, '%') != NULL) {
4648 if (es->time == 0) {
4649 es->time = time(NULL);
4650 localtime_r(&es->time, &es->tm);
4651 }
4652 if (strftime(expanded, sizeof expanded, fmt, &es->tm) == 0) {
4653 format_log(es, "format is too long");
4654 return (xstrdup(""));
4655 }
4656 if (format_logging(ft) && strcmp(expanded, fmt) != 0)
4657 format_log(es, "after time expanded: %s", expanded);
4658 fmt = expanded;
4659 }
4660
4661 len = 64;
4662 buf = xmalloc(len);
4663 off = 0;
4664
4665 while (*fmt != '\0') {
4666 if (*fmt != '#') {
4667 while (len - off < 2) {
4668 buf = xreallocarray(buf, 2, len);
4669 len *= 2;
4670 }
4671 buf[off++] = *fmt++;
4672 continue;
4673 }
4674 fmt++;
4675
4676 ch = (u_char)*fmt++;
4677 switch (ch) {
4678 case '(':
4679 brackets = 1;
4680 for (ptr = fmt; *ptr != '\0'; ptr++) {
4681 if (*ptr == '(')
4682 brackets++;
4683 if (*ptr == ')' && --brackets == 0)
4684 break;
4685 }
4686 if (*ptr != ')' || brackets != 0)
4687 break;
4688 n = ptr - fmt;
4689
4690 name = xstrndup(fmt, n);
4691 format_log(es, "found #(): %s", name);
4692
4693 if ((ft->flags & FORMAT_NOJOBS) ||
4694 (es->flags & FORMAT_EXPAND_NOJOBS)) {
4695 out = xstrdup("");
4696 format_log(es, "#() is disabled");
4697 } else {
4698 out = format_job_get(es, name);
4699 format_log(es, "#() result: %s", out);
4700 }
4701 free(name);
4702
4703 outlen = strlen(out);
4704 while (len - off < outlen + 1) {
4705 buf = xreallocarray(buf, 2, len);
4706 len *= 2;
4707 }
4708 memcpy(buf + off, out, outlen);
4709 off += outlen;
4710
4711 free(out);
4712
4713 fmt += n + 1;
4714 continue;
4715 case '{':
4716 ptr = format_skip((char *)fmt - 2, "}");
4717 if (ptr == NULL)
4718 break;
4719 n = ptr - fmt;
4720
4721 format_log(es, "found #{}: %.*s", (int)n, fmt);
4722 if (format_replace(es, fmt, n, &buf, &len, &off) != 0)
4723 break;
4724 fmt += n + 1;
4725 continue;
4726 case '[':
4727 case '#':
4728 /*
4729 * If ##[ (with two or more #s), then it is a style and
4730 * can be left for format_draw to handle.
4731 */
4732 ptr = fmt - (ch == '[');
4733 n = 2 - (ch == '[');
4734 while (*ptr == '#') {
4735 ptr++;
4736 n++;
4737 }
4738 if (*ptr == '[') {
4739 style_end = format_skip(fmt - 2, "]");
4740 format_log(es, "found #*%zu[", n);
4741 while (len - off < n + 2) {
4742 buf = xreallocarray(buf, 2, len);
4743 len *= 2;
4744 }
4745 memcpy(buf + off, fmt - 2, n + 1);
4746 off += n + 1;
4747 fmt = ptr + 1;
4748 continue;
4749 }
4750 /* FALLTHROUGH */
4751 case '}':
4752 case ',':
4753 format_log(es, "found #%c", ch);
4754 while (len - off < 2) {
4755 buf = xreallocarray(buf, 2, len);
4756 len *= 2;
4757 }
4758 buf[off++] = ch;
4759 continue;
4760 default:
4761 s = NULL;
4762 if (fmt > style_end) { /* skip inside #[] */
4763 if (ch >= 'A' && ch <= 'Z')
4764 s = format_upper[ch - 'A'];
4765 else if (ch >= 'a' && ch <= 'z')
4766 s = format_lower[ch - 'a'];
4767 }
4768 if (s == NULL) {
4769 while (len - off < 3) {
4770 buf = xreallocarray(buf, 2, len);
4771 len *= 2;
4772 }
4773 buf[off++] = '#';
4774 buf[off++] = ch;
4775 continue;
4776 }
4777 n = strlen(s);
4778 format_log(es, "found #%c: %s", ch, s);
4779 if (format_replace(es, s, n, &buf, &len, &off) != 0)
4780 break;
4781 continue;
4782 }
4783
4784 break;
4785 }
4786 buf[off] = '\0';
4787
4788 format_log(es, "result is: %s", buf);
4789 es->loop--;
4790
4791 return (buf);
4792 }
4793
4794 /* Expand keys in a template, passing through strftime first. */
4795 char *
4796 format_expand_time(struct format_tree *ft, const char *fmt)
4797 {
4798 struct format_expand_state es;
4799
4800 memset(&es, 0, sizeof es);
4801 es.ft = ft;
4802 es.flags = FORMAT_EXPAND_TIME;
4803 return (format_expand1(&es, fmt));
4804 }
4805
4806 /* Expand keys in a template. */
4807 char *
4808 format_expand(struct format_tree *ft, const char *fmt)
4809 {
4810 struct format_expand_state es;
4811
4812 memset(&es, 0, sizeof es);
4813 es.ft = ft;
4814 es.flags = 0;
4815 return (format_expand1(&es, fmt));
4816 }
4817
4818 /* Expand a single string. */
4819 char *
4820 format_single(struct cmdq_item *item, const char *fmt, struct client *c,
4821 struct session *s, struct winlink *wl, struct window_pane *wp)
4822 {
4823 struct format_tree *ft;
4824 char *expanded;
4825
4826 ft = format_create_defaults(item, c, s, wl, wp);
4827 expanded = format_expand(ft, fmt);
4828 format_free(ft);
4829 return (expanded);
4830 }
4831
4832 /* Expand a single string using state. */
4833 char *
4834 format_single_from_state(struct cmdq_item *item, const char *fmt,
4835 struct client *c, struct cmd_find_state *fs)
4836 {
4837 return (format_single(item, fmt, c, fs->s, fs->wl, fs->wp));
4838 }
4839
4840 /* Expand a single string using target. */
4841 char *
4842 format_single_from_target(struct cmdq_item *item, const char *fmt)
4843 {
4844 struct client *tc = cmdq_get_target_client(item);
4845
4846 return (format_single_from_state(item, fmt, tc, cmdq_get_target(item)));
4847 }
4848
4849 /* Create and add defaults. */
4850 struct format_tree *
4851 format_create_defaults(struct cmdq_item *item, struct client *c,
4852 struct session *s, struct winlink *wl, struct window_pane *wp)
4853 {
4854 struct format_tree *ft;
4855
4856 if (item != NULL)
4857 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
4858 else
4859 ft = format_create(NULL, item, FORMAT_NONE, 0);
4860 format_defaults(ft, c, s, wl, wp);
4861 return (ft);
4862 }
4863
4864 /* Create and add defaults using state. */
4865 struct format_tree *
4866 format_create_from_state(struct cmdq_item *item, struct client *c,
4867 struct cmd_find_state *fs)
4868 {
4869 return (format_create_defaults(item, c, fs->s, fs->wl, fs->wp));
4870 }
4871
4872 /* Create and add defaults using target. */
4873 struct format_tree *
4874 format_create_from_target(struct cmdq_item *item)
4875 {
4876 struct client *tc = cmdq_get_target_client(item);
4877
4878 return (format_create_from_state(item, tc, cmdq_get_target(item)));
4879 }
4880
4881 /* Set defaults for any of arguments that are not NULL. */
4882 void
4883 format_defaults(struct format_tree *ft, struct client *c, struct session *s,
4884 struct winlink *wl, struct window_pane *wp)
4885 {
4886 struct paste_buffer *pb;
4887
4888 if (c != NULL && c->name != NULL)
4889 log_debug("%s: c=%s", __func__, c->name);
4890 else
4891 log_debug("%s: c=none", __func__);
4892 if (s != NULL)
4893 log_debug("%s: s=$%u", __func__, s->id);
4894 else
4895 log_debug("%s: s=none", __func__);
4896 if (wl != NULL)
4897 log_debug("%s: wl=%u", __func__, wl->idx);
4898 else
4899 log_debug("%s: wl=none", __func__);
4900 if (wp != NULL)
4901 log_debug("%s: wp=%%%u", __func__, wp->id);
4902 else
4903 log_debug("%s: wp=none", __func__);
4904
4905 if (c != NULL && s != NULL && c->session != s)
4906 log_debug("%s: session does not match", __func__);
4907
4908 if (wp != NULL)
4909 ft->type = FORMAT_TYPE_PANE;
4910 else if (wl != NULL)
4911 ft->type = FORMAT_TYPE_WINDOW;
4912 else if (s != NULL)
4913 ft->type = FORMAT_TYPE_SESSION;
4914 else
4915 ft->type = FORMAT_TYPE_UNKNOWN;
4916
4917 if (s == NULL && c != NULL)
4918 s = c->session;
4919 if (wl == NULL && s != NULL)
4920 wl = s->curw;
4921 if (wp == NULL && wl != NULL)
4922 wp = wl->window->active;
4923
4924 if (c != NULL)
4925 format_defaults_client(ft, c);
4926 if (s != NULL)
4927 format_defaults_session(ft, s);
4928 if (wl != NULL)
4929 format_defaults_winlink(ft, wl);
4930 if (wp != NULL)
4931 format_defaults_pane(ft, wp);
4932
4933 pb = paste_get_top(NULL);
4934 if (pb != NULL)
4935 format_defaults_paste_buffer(ft, pb);
4936 }
4937
4938 /* Set default format keys for a session. */
4939 static void
4940 format_defaults_session(struct format_tree *ft, struct session *s)
4941 {
4942 ft->s = s;
4943 }
4944
4945 /* Set default format keys for a client. */
4946 static void
4947 format_defaults_client(struct format_tree *ft, struct client *c)
4948 {
4949 if (ft->s == NULL)
4950 ft->s = c->session;
4951 ft->c = c;
4952 }
4953
4954 /* Set default format keys for a window. */
4955 void
4956 format_defaults_window(struct format_tree *ft, struct window *w)
4957 {
4958 ft->w = w;
4959 }
4960
4961 /* Set default format keys for a winlink. */
4962 static void
4963 format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
4964 {
4965 if (ft->w == NULL)
4966 format_defaults_window(ft, wl->window);
4967 ft->wl = wl;
4968 }
4969
4970 /* Set default format keys for a window pane. */
4971 void
4972 format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
4973 {
4974 struct window_mode_entry *wme;
4975
4976 if (ft->w == NULL)
4977 format_defaults_window(ft, wp->window);
4978 ft->wp = wp;
4979
4980 wme = TAILQ_FIRST(&wp->modes);
4981 if (wme != NULL && wme->mode->formats != NULL)
4982 wme->mode->formats(wme, ft);
4983 }
4984
4985 /* Set default format keys for paste buffer. */
4986 void
4987 format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
4988 {
4989 ft->pb = pb;
4990 }
4991
4992 /* Return word at given coordinates. Caller frees. */
4993 char *
4994 format_grid_word(struct grid *gd, u_int x, u_int y)
4995 {
4996 const struct grid_line *gl;
4997 struct grid_cell gc;
4998 const char *ws;
4999 struct utf8_data *ud = NULL;
5000 u_int end;
5001 size_t size = 0;
5002 int found = 0;
5003 char *s = NULL;
5004
5005 ws = options_get_string(global_s_options, "word-separators");
5006
5007 for (;;) {
5008 grid_get_cell(gd, x, y, &gc);
5009 if (gc.flags & GRID_FLAG_PADDING)
5010 break;
5011 if (utf8_cstrhas(ws, &gc.data) ||
5012 (gc.data.size == 1 && *gc.data.data == ' ')) {
5013 found = 1;
5014 break;
5015 }
5016
5017 if (x == 0) {
5018 if (y == 0)
5019 break;
5020 gl = grid_peek_line(gd, y - 1);
5021 if (~gl->flags & GRID_LINE_WRAPPED)
5022 break;
5023 y--;
5024 x = grid_line_length(gd, y);
5025 if (x == 0)
5026 break;
5027 }
5028 x--;
5029 }
5030 for (;;) {
5031 if (found) {
5032 end = grid_line_length(gd, y);
5033 if (end == 0 || x == end - 1) {
5034 if (y == gd->hsize + gd->sy - 1)
5035 break;
5036 gl = grid_peek_line(gd, y);
5037 if (~gl->flags & GRID_LINE_WRAPPED)
5038 break;
5039 y++;
5040 x = 0;
5041 } else
5042 x++;
5043 }
5044 found = 1;
5045
5046 grid_get_cell(gd, x, y, &gc);
5047 if (gc.flags & GRID_FLAG_PADDING)
5048 break;
5049 if (utf8_cstrhas(ws, &gc.data) ||
5050 (gc.data.size == 1 && *gc.data.data == ' '))
5051 break;
5052
5053 ud = xreallocarray(ud, size + 2, sizeof *ud);
5054 memcpy(&ud[size++], &gc.data, sizeof *ud);
5055 }
5056 if (size != 0) {
5057 ud[size].size = 0;
5058 s = utf8_tocstr(ud);
5059 free(ud);
5060 }
5061 return (s);
5062 }
5063
5064 /* Return line at given coordinates. Caller frees. */
5065 char *
5066 format_grid_line(struct grid *gd, u_int y)
5067 {
5068 struct grid_cell gc;
5069 struct utf8_data *ud = NULL;
5070 u_int x;
5071 size_t size = 0;
5072 char *s = NULL;
5073
5074 for (x = 0; x < grid_line_length(gd, y); x++) {
5075 grid_get_cell(gd, x, y, &gc);
5076 if (gc.flags & GRID_FLAG_PADDING)
5077 break;
5078
5079 ud = xreallocarray(ud, size + 2, sizeof *ud);
5080 memcpy(&ud[size++], &gc.data, sizeof *ud);
5081 }
5082 if (size != 0) {
5083 ud[size].size = 0;
5084 s = utf8_tocstr(ud);
5085 free(ud);
5086 }
5087 return (s);
5088 }
5089
5090 /* Return hyperlink at given coordinates. Caller frees. */
5091 char *
5092 format_grid_hyperlink(struct grid *gd, u_int x, u_int y, struct screen* s)
5093 {
5094 const char *uri;
5095 struct grid_cell gc;
5096
5097 grid_get_cell(gd, x, y, &gc);
5098 if (gc.flags & GRID_FLAG_PADDING)
5099 return (NULL);
5100 if (s->hyperlinks == NULL || gc.link == 0)
5101 return (NULL);
5102 if (!hyperlinks_get(s->hyperlinks, gc.link, &uri, NULL, NULL))
5103 return (NULL);
5104 return (xstrdup(uri));
5105 }