Annotation of src/usr.bin/tmux/format.c, Revision 1.170
1.170 ! nicm 1: /* $OpenBSD: format.c,v 1.169 2019/03/13 14:10:34 nicm Exp $ */
1.1 nicm 2:
3: /*
1.104 nicm 4: * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.55 nicm 20: #include <sys/wait.h>
1.1 nicm 21:
1.157 nicm 22: #include <ctype.h>
1.30 nicm 23: #include <errno.h>
1.139 nicm 24: #include <fnmatch.h>
1.87 nicm 25: #include <libgen.h>
1.1 nicm 26: #include <stdarg.h>
1.9 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <time.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
34: /*
35: * Build a list of key-value pairs and use them to expand #{key} entries in a
36: * string.
37: */
38:
1.79 nicm 39: struct format_entry;
40: typedef void (*format_cb)(struct format_tree *, struct format_entry *);
41:
1.108 nicm 42: static char *format_job_get(struct format_tree *, const char *);
43: static void format_job_timer(int, short, void *);
44:
45: static char *format_find(struct format_tree *, const char *, int);
46: static void format_add_cb(struct format_tree *, const char *, format_cb);
47: static void format_add_tv(struct format_tree *, const char *,
48: struct timeval *);
49: static int format_replace(struct format_tree *, const char *, size_t,
50: char **, size_t *, size_t *);
51:
52: static void format_defaults_session(struct format_tree *,
53: struct session *);
54: static void format_defaults_client(struct format_tree *, struct client *);
1.164 nicm 55: static void format_defaults_winlink(struct format_tree *, struct winlink *);
1.1 nicm 56:
1.68 nicm 57: /* Entry in format job tree. */
58: struct format_job {
1.131 nicm 59: struct client *client;
1.120 nicm 60: u_int tag;
1.68 nicm 61: const char *cmd;
1.113 nicm 62: const char *expanded;
1.68 nicm 63:
64: time_t last;
65: char *out;
1.127 nicm 66: int updated;
1.68 nicm 67:
68: struct job *job;
69: int status;
70:
71: RB_ENTRY(format_job) entry;
72: };
73:
74: /* Format job tree. */
1.108 nicm 75: static struct event format_job_event;
76: static int format_job_cmp(struct format_job *, struct format_job *);
1.109 nicm 77: static RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
1.108 nicm 78: RB_GENERATE_STATIC(format_job_tree, format_job, entry, format_job_cmp);
1.68 nicm 79:
80: /* Format job tree comparison function. */
1.108 nicm 81: static int
1.68 nicm 82: format_job_cmp(struct format_job *fj1, struct format_job *fj2)
83: {
1.120 nicm 84: if (fj1->tag < fj2->tag)
85: return (-1);
86: if (fj1->tag > fj2->tag)
87: return (1);
1.68 nicm 88: return (strcmp(fj1->cmd, fj2->cmd));
89: }
90:
1.87 nicm 91: /* Format modifiers. */
92: #define FORMAT_TIMESTRING 0x1
93: #define FORMAT_BASENAME 0x2
94: #define FORMAT_DIRNAME 0x4
1.169 nicm 95: #define FORMAT_QUOTE 0x8
96: #define FORMAT_LITERAL 0x10
1.170 ! nicm 97: #define FORMAT_EXPAND 0x20
1.87 nicm 98:
1.54 nicm 99: /* Entry in format tree. */
100: struct format_entry {
1.79 nicm 101: char *key;
102: char *value;
1.87 nicm 103: time_t t;
1.79 nicm 104: format_cb cb;
105: RB_ENTRY(format_entry) entry;
1.54 nicm 106: };
107:
1.68 nicm 108: /* Format entry tree. */
1.54 nicm 109: struct format_tree {
1.164 nicm 110: struct client *c;
111: struct session *s;
112: struct winlink *wl;
1.79 nicm 113: struct window *w;
114: struct window_pane *wp;
1.54 nicm 115:
1.131 nicm 116: struct client *client;
1.120 nicm 117: u_int tag;
1.84 nicm 118: int flags;
1.68 nicm 119:
120: RB_HEAD(format_entry_tree, format_entry) tree;
1.54 nicm 121: };
1.108 nicm 122: static int format_entry_cmp(struct format_entry *, struct format_entry *);
123: RB_GENERATE_STATIC(format_entry_tree, format_entry, entry, format_entry_cmp);
1.54 nicm 124:
1.169 nicm 125: /* Format modifiers. */
126: struct format_modifier {
127: char modifier[3];
128: u_int size;
129:
130: char **argv;
131: int argc;
132: };
133:
1.68 nicm 134: /* Format entry tree comparison function. */
1.108 nicm 135: static int
1.68 nicm 136: format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
1.1 nicm 137: {
138: return (strcmp(fe1->key, fe2->key));
139: }
140:
1.25 nicm 141: /* Single-character uppercase aliases. */
1.108 nicm 142: static const char *format_upper[] = {
1.1 nicm 143: NULL, /* A */
144: NULL, /* B */
145: NULL, /* C */
146: "pane_id", /* D */
147: NULL, /* E */
148: "window_flags", /* F */
149: NULL, /* G */
150: "host", /* H */
151: "window_index", /* I */
152: NULL, /* J */
153: NULL, /* K */
154: NULL, /* L */
155: NULL, /* M */
156: NULL, /* N */
157: NULL, /* O */
158: "pane_index", /* P */
159: NULL, /* Q */
160: NULL, /* R */
161: "session_name", /* S */
162: "pane_title", /* T */
163: NULL, /* U */
164: NULL, /* V */
165: "window_name", /* W */
166: NULL, /* X */
167: NULL, /* Y */
168: NULL /* Z */
169: };
170:
1.25 nicm 171: /* Single-character lowercase aliases. */
1.108 nicm 172: static const char *format_lower[] = {
1.25 nicm 173: NULL, /* a */
174: NULL, /* b */
175: NULL, /* c */
176: NULL, /* d */
177: NULL, /* e */
178: NULL, /* f */
179: NULL, /* g */
180: "host_short", /* h */
181: NULL, /* i */
182: NULL, /* j */
183: NULL, /* k */
184: NULL, /* l */
185: NULL, /* m */
186: NULL, /* n */
187: NULL, /* o */
188: NULL, /* p */
189: NULL, /* q */
190: NULL, /* r */
191: NULL, /* s */
192: NULL, /* t */
193: NULL, /* u */
194: NULL, /* v */
195: NULL, /* w */
196: NULL, /* x */
197: NULL, /* y */
198: NULL /* z */
199: };
200:
1.127 nicm 201: /* Format job update callback. */
1.108 nicm 202: static void
1.127 nicm 203: format_job_update(struct job *job)
204: {
1.160 nicm 205: struct format_job *fj = job_get_data(job);
206: struct evbuffer *evb = job_get_event(job)->input;
1.151 nicm 207: char *line = NULL, *next;
1.127 nicm 208: time_t t;
209:
1.151 nicm 210: while ((next = evbuffer_readline(evb)) != NULL) {
211: free(line);
212: line = next;
213: }
214: if (line == NULL)
1.127 nicm 215: return;
216: fj->updated = 1;
217:
218: free(fj->out);
219: fj->out = line;
220:
1.136 nicm 221: log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, fj->out);
1.127 nicm 222:
1.142 nicm 223: t = time(NULL);
1.127 nicm 224: if (fj->status && fj->last != t) {
1.136 nicm 225: if (fj->client != NULL)
226: server_status_client(fj->client);
1.127 nicm 227: fj->last = t;
228: }
229: }
230:
231: /* Format job complete callback. */
232: static void
233: format_job_complete(struct job *job)
1.68 nicm 234: {
1.160 nicm 235: struct format_job *fj = job_get_data(job);
236: struct evbuffer *evb = job_get_event(job)->input;
1.68 nicm 237: char *line, *buf;
238: size_t len;
239:
240: fj->job = NULL;
241:
242: buf = NULL;
1.160 nicm 243: if ((line = evbuffer_readline(evb)) == NULL) {
244: len = EVBUFFER_LENGTH(evb);
1.68 nicm 245: buf = xmalloc(len + 1);
246: if (len != 0)
1.160 nicm 247: memcpy(buf, EVBUFFER_DATA(evb), len);
1.68 nicm 248: buf[len] = '\0';
249: } else
250: buf = line;
1.127 nicm 251:
1.136 nicm 252: log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, buf);
253:
1.127 nicm 254: if (*buf != '\0' || !fj->updated) {
255: free(fj->out);
256: fj->out = buf;
257: } else
258: free(buf);
1.68 nicm 259:
260: if (fj->status) {
1.131 nicm 261: if (fj->client != NULL)
262: server_status_client(fj->client);
1.68 nicm 263: fj->status = 0;
264: }
265: }
266:
267: /* Find a job. */
1.108 nicm 268: static char *
1.68 nicm 269: format_job_get(struct format_tree *ft, const char *cmd)
270: {
1.131 nicm 271: struct format_job_tree *jobs;
1.113 nicm 272: struct format_job fj0, *fj;
273: time_t t;
274: char *expanded;
275: int force;
1.68 nicm 276:
1.131 nicm 277: if (ft->client == NULL)
278: jobs = &format_jobs;
279: else if (ft->client->jobs != NULL)
280: jobs = ft->client->jobs;
281: else {
282: jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
283: RB_INIT(jobs);
284: }
285:
1.120 nicm 286: fj0.tag = ft->tag;
1.68 nicm 287: fj0.cmd = cmd;
1.131 nicm 288: if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
1.68 nicm 289: fj = xcalloc(1, sizeof *fj);
1.131 nicm 290: fj->client = ft->client;
1.120 nicm 291: fj->tag = ft->tag;
1.68 nicm 292: fj->cmd = xstrdup(cmd);
1.113 nicm 293: fj->expanded = NULL;
1.68 nicm 294:
295: xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
296:
1.131 nicm 297: RB_INSERT(format_job_tree, jobs, fj);
1.68 nicm 298: }
299:
1.113 nicm 300: expanded = format_expand(ft, cmd);
301: if (fj->expanded == NULL || strcmp(expanded, fj->expanded) != 0) {
302: free((void *)fj->expanded);
303: fj->expanded = xstrdup(expanded);
304: force = 1;
305: } else
306: force = (ft->flags & FORMAT_FORCE);
307:
1.84 nicm 308: t = time(NULL);
1.113 nicm 309: if (fj->job == NULL && (force || fj->last != t)) {
1.163 nicm 310: fj->job = job_run(expanded, NULL,
311: server_client_get_cwd(ft->client, NULL), format_job_update,
1.153 nicm 312: format_job_complete, NULL, fj, JOB_NOWAIT);
1.68 nicm 313: if (fj->job == NULL) {
314: free(fj->out);
315: xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
316: }
1.84 nicm 317: fj->last = t;
1.137 nicm 318: fj->updated = 0;
1.68 nicm 319: }
1.84 nicm 320:
321: if (ft->flags & FORMAT_STATUS)
322: fj->status = 1;
1.68 nicm 323:
1.113 nicm 324: free(expanded);
1.86 nicm 325: return (format_expand(ft, fj->out));
1.68 nicm 326: }
327:
328: /* Remove old jobs. */
1.108 nicm 329: static void
1.131 nicm 330: format_job_tidy(struct format_job_tree *jobs, int force)
1.68 nicm 331: {
332: struct format_job *fj, *fj1;
333: time_t now;
334:
335: now = time(NULL);
1.131 nicm 336: RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
337: if (!force && (fj->last > now || now - fj->last < 3600))
1.68 nicm 338: continue;
1.131 nicm 339: RB_REMOVE(format_job_tree, jobs, fj);
1.68 nicm 340:
1.77 nicm 341: log_debug("%s: %s", __func__, fj->cmd);
342:
1.68 nicm 343: if (fj->job != NULL)
344: job_free(fj->job);
345:
1.113 nicm 346: free((void *)fj->expanded);
1.78 nicm 347: free((void *)fj->cmd);
1.68 nicm 348: free(fj->out);
349:
350: free(fj);
351: }
1.131 nicm 352: }
353:
354: /* Remove old jobs for client. */
355: void
356: format_lost_client(struct client *c)
357: {
358: if (c->jobs != NULL)
359: format_job_tidy(c->jobs, 1);
360: free(c->jobs);
361: }
362:
363: /* Remove old jobs periodically. */
364: static void
365: format_job_timer(__unused int fd, __unused short events, __unused void *arg)
366: {
367: struct client *c;
368: struct timeval tv = { .tv_sec = 60 };
369:
370: format_job_tidy(&format_jobs, 0);
371: TAILQ_FOREACH(c, &clients, entry) {
372: if (c->jobs != NULL)
373: format_job_tidy(c->jobs, 0);
374: }
1.77 nicm 375:
376: evtimer_del(&format_job_event);
377: evtimer_add(&format_job_event, &tv);
1.68 nicm 378: }
379:
1.79 nicm 380: /* Callback for host. */
1.108 nicm 381: static void
1.99 nicm 382: format_cb_host(__unused struct format_tree *ft, struct format_entry *fe)
1.79 nicm 383: {
384: char host[HOST_NAME_MAX + 1];
385:
386: if (gethostname(host, sizeof host) != 0)
387: fe->value = xstrdup("");
388: else
389: fe->value = xstrdup(host);
390: }
391:
392: /* Callback for host_short. */
1.108 nicm 393: static void
1.99 nicm 394: format_cb_host_short(__unused struct format_tree *ft, struct format_entry *fe)
1.79 nicm 395: {
396: char host[HOST_NAME_MAX + 1], *cp;
397:
398: if (gethostname(host, sizeof host) != 0)
399: fe->value = xstrdup("");
400: else {
401: if ((cp = strchr(host, '.')) != NULL)
402: *cp = '\0';
403: fe->value = xstrdup(host);
404: }
405: }
406:
407: /* Callback for pid. */
1.108 nicm 408: static void
1.99 nicm 409: format_cb_pid(__unused struct format_tree *ft, struct format_entry *fe)
1.79 nicm 410: {
411: xasprintf(&fe->value, "%ld", (long)getpid());
412: }
413:
1.80 nicm 414: /* Callback for session_alerts. */
1.108 nicm 415: static void
1.80 nicm 416: format_cb_session_alerts(struct format_tree *ft, struct format_entry *fe)
417: {
418: struct session *s = ft->s;
419: struct winlink *wl;
1.133 nicm 420: char alerts[1024], tmp[16];
1.80 nicm 421:
422: if (s == NULL)
423: return;
424:
425: *alerts = '\0';
426: RB_FOREACH(wl, winlinks, &s->windows) {
427: if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
428: continue;
429: xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
430:
431: if (*alerts != '\0')
432: strlcat(alerts, ",", sizeof alerts);
433: strlcat(alerts, tmp, sizeof alerts);
434: if (wl->flags & WINLINK_ACTIVITY)
435: strlcat(alerts, "#", sizeof alerts);
436: if (wl->flags & WINLINK_BELL)
437: strlcat(alerts, "!", sizeof alerts);
438: if (wl->flags & WINLINK_SILENCE)
439: strlcat(alerts, "~", sizeof alerts);
440: }
441: fe->value = xstrdup(alerts);
442: }
443:
1.133 nicm 444: /* Callback for session_stack. */
445: static void
446: format_cb_session_stack(struct format_tree *ft, struct format_entry *fe)
447: {
448: struct session *s = ft->s;
449: struct winlink *wl;
450: char result[1024], tmp[16];
451:
452: if (s == NULL)
453: return;
454:
455: xsnprintf(result, sizeof result, "%u", s->curw->idx);
456: TAILQ_FOREACH(wl, &s->lastw, sentry) {
457: xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
458:
459: if (*result != '\0')
460: strlcat(result, ",", sizeof result);
461: strlcat(result, tmp, sizeof result);
462: }
463: fe->value = xstrdup(result);
464: }
465:
466: /* Callback for window_stack_index. */
467: static void
468: format_cb_window_stack_index(struct format_tree *ft, struct format_entry *fe)
469: {
470: struct session *s = ft->wl->session;
471: struct winlink *wl;
472: u_int idx;
473:
474: idx = 0;
475: TAILQ_FOREACH(wl, &s->lastw, sentry) {
476: idx++;
477: if (wl == ft->wl)
478: break;
479: }
480: if (wl != NULL)
481: xasprintf(&fe->value, "%u", idx);
482: else
483: fe->value = xstrdup("0");
484: }
485:
1.80 nicm 486: /* Callback for window_layout. */
1.108 nicm 487: static void
1.80 nicm 488: format_cb_window_layout(struct format_tree *ft, struct format_entry *fe)
489: {
490: struct window *w = ft->w;
491:
492: if (w == NULL)
493: return;
494:
495: if (w->saved_layout_root != NULL)
496: fe->value = layout_dump(w->saved_layout_root);
497: else
498: fe->value = layout_dump(w->layout_root);
499: }
500:
1.96 nicm 501: /* Callback for window_visible_layout. */
1.108 nicm 502: static void
1.96 nicm 503: format_cb_window_visible_layout(struct format_tree *ft, struct format_entry *fe)
504: {
505: struct window *w = ft->w;
506:
507: if (w == NULL)
508: return;
509:
510: fe->value = layout_dump(w->layout_root);
511: }
512:
1.79 nicm 513: /* Callback for pane_start_command. */
1.108 nicm 514: static void
1.79 nicm 515: format_cb_start_command(struct format_tree *ft, struct format_entry *fe)
516: {
517: struct window_pane *wp = ft->wp;
518:
519: if (wp == NULL)
520: return;
521:
522: fe->value = cmd_stringify_argv(wp->argc, wp->argv);
523: }
524:
525: /* Callback for pane_current_command. */
1.108 nicm 526: static void
1.79 nicm 527: format_cb_current_command(struct format_tree *ft, struct format_entry *fe)
528: {
529: struct window_pane *wp = ft->wp;
530: char *cmd;
531:
532: if (wp == NULL)
533: return;
534:
535: cmd = get_proc_name(wp->fd, wp->tty);
536: if (cmd == NULL || *cmd == '\0') {
537: free(cmd);
538: cmd = cmd_stringify_argv(wp->argc, wp->argv);
539: if (cmd == NULL || *cmd == '\0') {
540: free(cmd);
541: cmd = xstrdup(wp->shell);
542: }
543: }
544: fe->value = parse_window_name(cmd);
545: free(cmd);
546: }
547:
1.80 nicm 548: /* Callback for history_bytes. */
1.108 nicm 549: static void
1.80 nicm 550: format_cb_history_bytes(struct format_tree *ft, struct format_entry *fe)
551: {
552: struct window_pane *wp = ft->wp;
553: struct grid *gd;
554: struct grid_line *gl;
555: unsigned long long size;
556: u_int i;
557:
558: if (wp == NULL)
559: return;
560: gd = wp->base.grid;
561:
562: size = 0;
563: for (i = 0; i < gd->hsize; i++) {
1.158 nicm 564: gl = grid_get_line(gd, i);
1.80 nicm 565: size += gl->cellsize * sizeof *gl->celldata;
1.95 nicm 566: size += gl->extdsize * sizeof *gl->extddata;
1.80 nicm 567: }
1.158 nicm 568: size += gd->hsize * sizeof *gl;
1.80 nicm 569:
570: xasprintf(&fe->value, "%llu", size);
571: }
572:
573: /* Callback for pane_tabs. */
1.108 nicm 574: static void
1.80 nicm 575: format_cb_pane_tabs(struct format_tree *ft, struct format_entry *fe)
576: {
577: struct window_pane *wp = ft->wp;
578: struct evbuffer *buffer;
579: u_int i;
580: int size;
581:
582: if (wp == NULL)
583: return;
584:
585: buffer = evbuffer_new();
1.165 nicm 586: if (buffer == NULL)
587: fatalx("out of memory");
1.80 nicm 588: for (i = 0; i < wp->base.grid->sx; i++) {
589: if (!bit_test(wp->base.tabs, i))
590: continue;
591:
592: if (EVBUFFER_LENGTH(buffer) > 0)
593: evbuffer_add(buffer, ",", 1);
594: evbuffer_add_printf(buffer, "%u", i);
595: }
1.148 nicm 596: if ((size = EVBUFFER_LENGTH(buffer)) != 0)
597: xasprintf(&fe->value, "%.*s", size, EVBUFFER_DATA(buffer));
598: evbuffer_free(buffer);
599: }
600:
1.150 nicm 601: /* Callback for session_group_list. */
1.148 nicm 602: static void
1.150 nicm 603: format_cb_session_group_list(struct format_tree *ft, struct format_entry *fe)
1.148 nicm 604: {
605: struct session *s = ft->s;
606: struct session_group *sg;
607: struct session *loop;
608: struct evbuffer *buffer;
609: int size;
610:
611: if (s == NULL)
612: return;
613: sg = session_group_contains(s);
614: if (sg == NULL)
615: return;
616:
617: buffer = evbuffer_new();
1.165 nicm 618: if (buffer == NULL)
619: fatalx("out of memory");
1.148 nicm 620: TAILQ_FOREACH(loop, &sg->sessions, gentry) {
621: if (EVBUFFER_LENGTH(buffer) > 0)
622: evbuffer_add(buffer, ",", 1);
623: evbuffer_add_printf(buffer, "%s", loop->name);
624: }
625: if ((size = EVBUFFER_LENGTH(buffer)) != 0)
626: xasprintf(&fe->value, "%.*s", size, EVBUFFER_DATA(buffer));
1.80 nicm 627: evbuffer_free(buffer);
628: }
629:
1.168 nicm 630: /* Callback for pane_in_mode. */
631: static void
632: format_cb_pane_in_mode(struct format_tree *ft, struct format_entry *fe)
633: {
634: struct window_pane *wp = ft->wp;
635: u_int n = 0;
636: struct window_mode_entry *wme;
637:
638: if (wp == NULL)
639: return;
640:
641: TAILQ_FOREACH(wme, &wp->modes, entry)
642: n++;
643: xasprintf(&fe->value, "%u", n);
644: }
645:
1.112 nicm 646: /* Merge a format tree. */
647: static void
648: format_merge(struct format_tree *ft, struct format_tree *from)
649: {
650: struct format_entry *fe;
651:
652: RB_FOREACH(fe, format_entry_tree, &from->tree) {
653: if (fe->value != NULL)
654: format_add(ft, fe->key, "%s", fe->value);
655: }
656: }
657:
1.1 nicm 658: /* Create a new tree. */
659: struct format_tree *
1.131 nicm 660: format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
1.68 nicm 661: {
1.1 nicm 662: struct format_tree *ft;
1.77 nicm 663:
664: if (!event_initialized(&format_job_event)) {
665: evtimer_set(&format_job_event, format_job_timer, NULL);
666: format_job_timer(-1, 0, NULL);
667: }
1.1 nicm 668:
1.54 nicm 669: ft = xcalloc(1, sizeof *ft);
670: RB_INIT(&ft->tree);
1.120 nicm 671:
1.131 nicm 672: if (c != NULL) {
673: ft->client = c;
674: ft->client->references++;
675: }
676:
1.120 nicm 677: ft->tag = tag;
1.84 nicm 678: ft->flags = flags;
1.1 nicm 679:
1.79 nicm 680: format_add_cb(ft, "host", format_cb_host);
681: format_add_cb(ft, "host_short", format_cb_host_short);
682: format_add_cb(ft, "pid", format_cb_pid);
1.100 nicm 683: format_add(ft, "socket_path", "%s", socket_path);
684: format_add_tv(ft, "start_time", &start_time);
1.102 nicm 685:
1.130 nicm 686: if (item != NULL) {
687: if (item->cmd != NULL)
688: format_add(ft, "command", "%s", item->cmd->entry->name);
689: if (item->shared != NULL && item->shared->formats != NULL)
690: format_merge(ft, item->shared->formats);
691: }
1.1 nicm 692:
693: return (ft);
694: }
695:
696: /* Free a tree. */
697: void
698: format_free(struct format_tree *ft)
699: {
1.54 nicm 700: struct format_entry *fe, *fe1;
1.1 nicm 701:
1.68 nicm 702: RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
703: RB_REMOVE(format_entry_tree, &ft->tree, fe);
1.9 nicm 704: free(fe->value);
705: free(fe->key);
706: free(fe);
1.1 nicm 707: }
708:
1.131 nicm 709: if (ft->client != NULL)
710: server_client_unref(ft->client);
1.25 nicm 711: free(ft);
1.1 nicm 712: }
713:
714: /* Add a key-value pair. */
715: void
716: format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
717: {
718: struct format_entry *fe;
1.28 nicm 719: struct format_entry *fe_now;
1.1 nicm 720: va_list ap;
721:
722: fe = xmalloc(sizeof *fe);
723: fe->key = xstrdup(key);
724:
1.79 nicm 725: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
726: if (fe_now != NULL) {
727: free(fe->key);
728: free(fe);
729: free(fe_now->value);
730: fe = fe_now;
731: }
732:
733: fe->cb = NULL;
1.87 nicm 734: fe->t = 0;
1.79 nicm 735:
1.1 nicm 736: va_start(ap, fmt);
737: xvasprintf(&fe->value, fmt, ap);
738: va_end(ap);
1.79 nicm 739: }
740:
1.87 nicm 741: /* Add a key and time. */
1.108 nicm 742: static void
1.87 nicm 743: format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
744: {
745: struct format_entry *fe;
746: struct format_entry *fe_now;
747:
748: fe = xmalloc(sizeof *fe);
749: fe->key = xstrdup(key);
750:
751: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
752: if (fe_now != NULL) {
753: free(fe->key);
754: free(fe);
755: free(fe_now->value);
756: fe = fe_now;
757: }
758:
759: fe->cb = NULL;
760: fe->t = tv->tv_sec;
761:
762: fe->value = NULL;
763: }
764:
1.79 nicm 765: /* Add a key and function. */
1.108 nicm 766: static void
1.79 nicm 767: format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
768: {
769: struct format_entry *fe;
770: struct format_entry *fe_now;
771:
772: fe = xmalloc(sizeof *fe);
773: fe->key = xstrdup(key);
1.1 nicm 774:
1.68 nicm 775: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
1.28 nicm 776: if (fe_now != NULL) {
777: free(fe->key);
778: free(fe);
1.79 nicm 779: free(fe_now->value);
780: fe = fe_now;
1.28 nicm 781: }
1.79 nicm 782:
783: fe->cb = cb;
1.87 nicm 784: fe->t = 0;
1.79 nicm 785:
786: fe->value = NULL;
1.1 nicm 787: }
788:
1.161 nicm 789: /* Quote special characters in string. */
790: static char *
791: format_quote(const char *s)
792: {
793: const char *cp;
794: char *out, *at;
795:
796: at = out = xmalloc(strlen(s) * 2 + 1);
797: for (cp = s; *cp != '\0'; cp++) {
798: if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
799: *at++ = '\\';
800: *at++ = *cp;
801: }
802: *at = '\0';
803: return (out);
804: }
805:
1.1 nicm 806: /* Find a format entry. */
1.108 nicm 807: static char *
1.87 nicm 808: format_find(struct format_tree *ft, const char *key, int modifiers)
1.1 nicm 809: {
810: struct format_entry *fe, fe_find;
1.76 nicm 811: struct environ_entry *envent;
1.87 nicm 812: static char s[64];
1.117 nicm 813: struct options_entry *o;
1.87 nicm 814: const char *found;
1.116 nicm 815: int idx;
1.87 nicm 816: char *copy, *saved;
817:
818: if (~modifiers & FORMAT_TIMESTRING) {
1.116 nicm 819: o = options_parse_get(global_options, key, &idx, 0);
1.87 nicm 820: if (o == NULL && ft->w != NULL)
1.116 nicm 821: o = options_parse_get(ft->w->options, key, &idx, 0);
1.87 nicm 822: if (o == NULL)
1.116 nicm 823: o = options_parse_get(global_w_options, key, &idx, 0);
1.87 nicm 824: if (o == NULL && ft->s != NULL)
1.116 nicm 825: o = options_parse_get(ft->s->options, key, &idx, 0);
1.87 nicm 826: if (o == NULL)
1.116 nicm 827: o = options_parse_get(global_s_options, key, &idx, 0);
1.87 nicm 828: if (o != NULL) {
1.118 nicm 829: found = options_tostring(o, idx, 1);
1.116 nicm 830: goto found;
1.54 nicm 831: }
832: }
1.116 nicm 833: found = NULL;
1.1 nicm 834:
835: fe_find.key = (char *) key;
1.68 nicm 836: fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
1.79 nicm 837: if (fe != NULL) {
1.87 nicm 838: if (modifiers & FORMAT_TIMESTRING) {
839: if (fe->t == 0)
840: return (NULL);
841: ctime_r(&fe->t, s);
842: s[strcspn(s, "\n")] = '\0';
843: found = s;
844: goto found;
845: }
846: if (fe->t != 0) {
847: xsnprintf(s, sizeof s, "%lld", (long long)fe->t);
848: found = s;
849: goto found;
850: }
1.149 nicm 851: if (fe->value == NULL && fe->cb != NULL) {
1.79 nicm 852: fe->cb(ft, fe);
1.149 nicm 853: if (fe->value == NULL)
854: fe->value = xstrdup("");
855: }
1.87 nicm 856: found = fe->value;
857: goto found;
1.79 nicm 858: }
1.76 nicm 859:
1.87 nicm 860: if (~modifiers & FORMAT_TIMESTRING) {
861: envent = NULL;
862: if (ft->s != NULL)
1.91 nicm 863: envent = environ_find(ft->s->environ, key);
1.87 nicm 864: if (envent == NULL)
1.91 nicm 865: envent = environ_find(global_environ, key);
1.87 nicm 866: if (envent != NULL) {
867: found = envent->value;
868: goto found;
869: }
870: }
1.76 nicm 871:
872: return (NULL);
1.87 nicm 873:
874: found:
1.88 nicm 875: if (found == NULL)
876: return (NULL);
1.87 nicm 877: copy = xstrdup(found);
878: if (modifiers & FORMAT_BASENAME) {
879: saved = copy;
880: copy = xstrdup(basename(saved));
881: free(saved);
882: }
883: if (modifiers & FORMAT_DIRNAME) {
884: saved = copy;
885: copy = xstrdup(dirname(saved));
886: free(saved);
887: }
1.161 nicm 888: if (modifiers & FORMAT_QUOTE) {
889: saved = copy;
890: copy = xstrdup(format_quote(saved));
891: free(saved);
892: }
1.87 nicm 893: return (copy);
1.1 nicm 894: }
895:
1.155 nicm 896: /* Skip until end. */
897: static const char *
1.169 nicm 898: format_skip(const char *s, const char *end)
1.114 nicm 899: {
900: int brackets = 0;
901:
902: for (; *s != '\0'; s++) {
1.155 nicm 903: if (*s == '#' && s[1] == '{')
1.114 nicm 904: brackets++;
1.155 nicm 905: if (*s == '#' && strchr(",#{}", s[1]) != NULL) {
906: s++;
907: continue;
908: }
1.114 nicm 909: if (*s == '}')
910: brackets--;
1.169 nicm 911: if (strchr(end, *s) != NULL && brackets == 0)
1.114 nicm 912: break;
913: }
914: if (*s == '\0')
915: return (NULL);
916: return (s);
917: }
918:
919: /* Return left and right alternatives separated by commas. */
920: static int
1.169 nicm 921: format_choose(struct format_tree *ft, const char *s, char **left, char **right,
922: int expand)
1.114 nicm 923: {
1.169 nicm 924: const char *cp;
925: char *left0, *right0;
1.114 nicm 926:
1.169 nicm 927: cp = format_skip(s, ",");
1.114 nicm 928: if (cp == NULL)
929: return (-1);
1.169 nicm 930: left0 = xstrndup(s, cp - s);
931: right0 = xstrdup(cp + 1);
1.114 nicm 932:
1.169 nicm 933: if (expand) {
934: *left = format_expand(ft, left0);
935: *right = format_expand(ft, right0);
936: } else {
937: *left = left0;
938: *right = right0;
939: }
1.114 nicm 940: return (0);
941: }
942:
943: /* Is this true? */
1.141 nicm 944: int
1.114 nicm 945: format_true(const char *s)
946: {
947: if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
948: return (1);
949: return (0);
950: }
951:
1.169 nicm 952: /* Check if modifier end. */
953: static int
954: format_is_end(char c)
955: {
956: return (c == ';' || c == ':');
957: }
958:
959: /* Add to modifier list. */
960: static void
961: format_add_modifier(struct format_modifier **list, u_int *count,
962: const char *c, size_t n, char **argv, int argc)
963: {
964: struct format_modifier *fm;
965:
966: *list = xreallocarray(*list, (*count) + 1, sizeof **list);
967: fm = &(*list)[(*count)++];
968:
969: memcpy(fm->modifier, c, n);
970: fm->modifier[n] = '\0';
971: fm->size = n;
972:
973: fm->argv = argv;
974: fm->argc = argc;
975: }
976:
977: /* Free modifier list. */
978: static void
979: format_free_modifiers(struct format_modifier *list, u_int count)
980: {
981: u_int i;
982:
983: for (i = 0; i < count; i++)
984: cmd_free_argv(list[i].argc, list[i].argv);
985: free(list);
986: }
987:
988: /* Build modifier list. */
989: static struct format_modifier *
990: format_build_modifiers(struct format_tree *ft, const char **s, u_int *count)
991: {
992: const char *cp = *s, *end;
993: struct format_modifier *list = NULL;
994: char c, last[] = "X;:", **argv, *value;
995: int argc;
996:
997: /*
998: * Modifiers are a ; separated list of the forms:
999: * l,m,C,b,d,t,q
1000: * =a
1001: * =/a
1002: * =/a/
1003: * s/a/b/
1004: * s/a/b
1005: * ||,&&,!=,==
1006: */
1007:
1008: *count = 0;
1009:
1010: while (*cp != '\0' && *cp != ':') {
1011: /* Skip and separator character. */
1012: if (*cp == ';')
1013: cp++;
1014:
1015: /* Check single character modifiers with no arguments. */
1.170 ! nicm 1016: if (strchr("lmCbdtqE", cp[0]) != NULL && format_is_end(cp[1])) {
1.169 nicm 1017: format_add_modifier(&list, count, cp, 1, NULL, 0);
1018: cp++;
1019: continue;
1020: }
1021:
1022: /* Then try double character with no arguments. */
1023: if ((memcmp("||", cp, 2) == 0 ||
1024: memcmp("&&", cp, 2) == 0 ||
1025: memcmp("!=", cp, 2) == 0 ||
1026: memcmp("==", cp, 2) == 0) &&
1027: format_is_end(cp[2])) {
1028: format_add_modifier(&list, count, cp, 2, NULL, 0);
1029: cp += 2;
1030: continue;
1031: }
1032:
1033: /* Now try single character with arguments. */
1034: if (strchr("s=", cp[0]) == NULL)
1035: break;
1036: c = cp[0];
1037:
1038: /* No arguments provided. */
1039: if (format_is_end(cp[1])) {
1040: format_add_modifier(&list, count, cp, 1, NULL, 0);
1041: cp++;
1042: continue;
1043: }
1044: argv = NULL;
1045: argc = 0;
1046:
1047: /* Single argument with no wrapper character. */
1048: if (!ispunct(cp[1]) || cp[1] == '-') {
1049: end = format_skip(cp + 1, ":;");
1050: if (end == NULL)
1051: break;
1052:
1053: argv = xcalloc(1, sizeof *argv);
1054: value = xstrndup(cp + 1, end - (cp + 1));
1055: argv[0] = format_expand(ft, value);
1056: free(value);
1057: argc = 1;
1058:
1059: format_add_modifier(&list, count, &c, 1, argv, argc);
1060: cp = end;
1061: continue;
1062: }
1063:
1064: /* Multiple arguments with a wrapper character. */
1065: last[0] = cp[1];
1066: cp++;
1067: do {
1068: if (cp[0] == last[0] && format_is_end(cp[1])) {
1069: cp++;
1070: break;
1071: }
1072: end = format_skip(cp + 1, last);
1073: if (end == NULL)
1074: break;
1075: cp++;
1076:
1077: argv = xreallocarray (argv, argc + 1, sizeof *argv);
1078: value = xstrndup(cp, end - cp);
1079: argv[argc++] = format_expand(ft, value);
1080: free(value);
1081:
1082: cp = end;
1083: } while (!format_is_end(cp[0]));
1084: format_add_modifier(&list, count, &c, 1, argv, argc);
1085: }
1086: if (*cp != ':') {
1087: format_free_modifiers(list, *count);
1088: *count = 0;
1089: return (NULL);
1090: }
1091: *s = cp + 1;
1092: return list;
1093: }
1094:
1095: /* Perform substitution in string. */
1096: static char *
1097: format_substitute(const char *source, const char *from, const char *to)
1098: {
1099: char *copy, *new;
1100: const char *cp;
1101: size_t fromlen, tolen, newlen, used;
1102:
1103: fromlen = strlen(from);
1104: tolen = strlen(to);
1105:
1106: newlen = strlen(source) + 1;
1107: copy = new = xmalloc(newlen);
1108:
1109: for (cp = source; *cp != '\0'; /* nothing */) {
1110: if (strncmp(cp, from, fromlen) != 0) {
1111: *new++ = *cp++;
1112: continue;
1113: }
1114: used = new - copy;
1115:
1116: newlen += tolen;
1117: copy = xrealloc(copy, newlen);
1118:
1119: new = copy + used;
1120: memcpy(new, to, tolen);
1121:
1122: new += tolen;
1123: cp += fromlen;
1124: }
1125:
1126: *new = '\0';
1127: return (copy);
1128: }
1129:
1.140 nicm 1130: /* Replace a key. */
1.108 nicm 1131: static int
1.30 nicm 1132: format_replace(struct format_tree *ft, const char *key, size_t keylen,
1133: char **buf, size_t *len, size_t *off)
1.1 nicm 1134: {
1.140 nicm 1135: struct window_pane *wp = ft->wp;
1.169 nicm 1136: const char *errptr, *copy, *cp;
1137: char *copy0, *condition, *found, *new;
1138: char *value, *left, *right;
1139: char tmp[64];
1140: size_t valuelen;
1141: int modifiers = 0, limit = 0;
1142: struct format_modifier *list, *fm, *cmp = NULL, *search = NULL;
1143: struct format_modifier *sub = NULL;
1144: u_int i, count;
1.1 nicm 1145:
1146: /* Make a copy of the key. */
1.169 nicm 1147: copy = copy0 = xstrndup(key, keylen);
1148:
1149: /* Process modifier list. */
1150: list = format_build_modifiers(ft, ©, &count);
1151: for (i = 0; i < count; i++) {
1152: xsnprintf(tmp, sizeof tmp, "%s: modifier %u", __func__, i);
1153: log_debug("%s = %s", tmp, list[i].modifier);
1154: cmd_log_argv(list[i].argc, list[i].argv, tmp);
1155:
1156: fm = &list[i];
1157: if (fm->size == 1) {
1158: switch (fm->modifier[0]) {
1159: case 'm':
1160: cmp = fm;
1161: break;
1162: case 'C':
1163: search = fm;
1164: break;
1165: case 's':
1166: if (fm->argc != 2)
1167: break;
1168: sub = fm;
1169: break;
1170: case '=':
1171: if (fm->argc != 1)
1172: break;
1173: limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
1174: &errptr);
1175: if (errptr != NULL)
1176: limit = 0;
1177: break;
1178: case 'l':
1179: modifiers |= FORMAT_LITERAL;
1180: break;
1181: case 'b':
1182: modifiers |= FORMAT_BASENAME;
1183: break;
1184: case 'd':
1185: modifiers |= FORMAT_DIRNAME;
1186: break;
1187: case 't':
1188: modifiers |= FORMAT_TIMESTRING;
1189: break;
1190: case 'q':
1191: modifiers |= FORMAT_QUOTE;
1192: break;
1.170 ! nicm 1193: case 'E':
! 1194: modifiers |= FORMAT_EXPAND;
! 1195: break;
1.169 nicm 1196: }
1197: } else if (fm->size == 2) {
1198: if (strcmp(fm->modifier, "||") == 0 ||
1199: strcmp(fm->modifier, "&&") == 0 ||
1200: strcmp(fm->modifier, "==") == 0 ||
1201: strcmp(fm->modifier, "!=") == 0)
1202: cmp = fm;
1.98 nicm 1203: }
1.30 nicm 1204: }
1.169 nicm 1205: log_debug("%s: remaining = '%s'", __func__, copy);
1.30 nicm 1206:
1.155 nicm 1207: /* Is this a literal string? */
1.169 nicm 1208: if (modifiers & FORMAT_LITERAL) {
1.155 nicm 1209: value = xstrdup(copy);
1210: goto done;
1211: }
1212:
1.114 nicm 1213: /* Is this a comparison or a conditional? */
1.169 nicm 1214: if (search != NULL) {
1.140 nicm 1215: /* Search in pane. */
1216: if (wp == NULL)
1217: value = xstrdup("0");
1218: else
1219: xasprintf(&value, "%u", window_pane_search(wp, copy));
1.169 nicm 1220: } else if (cmp != NULL) {
1221: /* Comparison of left and right. */
1222: if (format_choose(ft, copy, &left, &right, 1) != 0)
1.114 nicm 1223: goto fail;
1.169 nicm 1224:
1225: if (strcmp(cmp->modifier, "||") == 0) {
1226: if (format_true(left) || format_true(right))
1227: value = xstrdup("1");
1228: else
1229: value = xstrdup("0");
1230: } else if (strcmp(cmp->modifier, "&&") == 0) {
1231: if (format_true(left) && format_true(right))
1232: value = xstrdup("1");
1233: else
1234: value = xstrdup("0");
1235: } else if (strcmp(cmp->modifier, "==") == 0) {
1236: if (strcmp(left, right) == 0)
1237: value = xstrdup("1");
1238: else
1239: value = xstrdup("0");
1240: } else if (strcmp(cmp->modifier, "!=") == 0) {
1241: if (strcmp(left, right) != 0)
1242: value = xstrdup("1");
1243: else
1244: value = xstrdup("0");
1245: }
1246: else if (strcmp(cmp->modifier, "m") == 0) {
1247: if (fnmatch(left, right, 0) == 0)
1248: value = xstrdup("1");
1249: else
1250: value = xstrdup("0");
1251: }
1252:
1.114 nicm 1253: free(right);
1254: free(left);
1255: } else if (*copy == '?') {
1256: /* Conditional: check first and choose second or third. */
1.169 nicm 1257: cp = format_skip(copy + 1, ",");
1258: if (cp == NULL)
1.1 nicm 1259: goto fail;
1.169 nicm 1260: condition = xstrndup(copy + 1, cp - (copy + 1));
1.1 nicm 1261:
1.169 nicm 1262: found = format_find(ft, condition, modifiers);
1.156 nicm 1263: if (found == NULL) {
1264: /*
1.169 nicm 1265: * If the condition not found, try to expand it. If
1.156 nicm 1266: * the expansion doesn't have any effect, then assume
1267: * false.
1268: */
1.169 nicm 1269: found = format_expand(ft, condition);
1270: if (strcmp(found, condition) == 0) {
1.156 nicm 1271: free(found);
1272: found = xstrdup("");
1273: }
1274: }
1.169 nicm 1275: free(condition);
1276:
1277: if (format_choose(ft, cp + 1, &left, &right, 0) != 0) {
1.162 nicm 1278: free(found);
1.89 nicm 1279: goto fail;
1.162 nicm 1280: }
1.114 nicm 1281: if (format_true(found))
1282: value = format_expand(ft, left);
1283: else
1284: value = format_expand(ft, right);
1.169 nicm 1285: free(right);
1286: free(left);
1287:
1.98 nicm 1288: free(found);
1.1 nicm 1289: } else {
1.114 nicm 1290: /* Neither: look up directly. */
1.98 nicm 1291: value = format_find(ft, copy, modifiers);
1.1 nicm 1292: if (value == NULL)
1.98 nicm 1293: value = xstrdup("");
1.170 ! nicm 1294: }
! 1295:
! 1296: /* Expand again if required. */
! 1297: if (modifiers & FORMAT_EXPAND) {
! 1298: new = format_expand(ft, value);
! 1299: free(value);
! 1300: value = new;
1.98 nicm 1301: }
1302:
1303: /* Perform substitution if any. */
1.169 nicm 1304: if (sub != NULL) {
1305: new = format_substitute(value, sub->argv[0], sub->argv[1]);
1.98 nicm 1306: free(value);
1.169 nicm 1307: value = new;
1.1 nicm 1308: }
1309:
1.30 nicm 1310: /* Truncate the value if needed. */
1.105 nicm 1311: if (limit > 0) {
1.98 nicm 1312: new = utf8_trimcstr(value, limit);
1.105 nicm 1313: free(value);
1314: value = new;
1315: } else if (limit < 0) {
1316: new = utf8_rtrimcstr(value, -limit);
1.98 nicm 1317: free(value);
1318: value = new;
1.44 nicm 1319: }
1.30 nicm 1320:
1.156 nicm 1321: done:
1.1 nicm 1322: /* Expand the buffer and copy in the value. */
1.98 nicm 1323: valuelen = strlen(value);
1.1 nicm 1324: while (*len - *off < valuelen + 1) {
1.50 nicm 1325: *buf = xreallocarray(*buf, 2, *len);
1.1 nicm 1326: *len *= 2;
1327: }
1328: memcpy(*buf + *off, value, valuelen);
1329: *off += valuelen;
1330:
1.98 nicm 1331: free(value);
1.169 nicm 1332: format_free_modifiers(list, count);
1.30 nicm 1333: free(copy0);
1.1 nicm 1334: return (0);
1335:
1336: fail:
1.169 nicm 1337: format_free_modifiers(list, count);
1.30 nicm 1338: free(copy0);
1.1 nicm 1339: return (-1);
1340: }
1341:
1.58 nicm 1342: /* Expand keys in a template, passing through strftime first. */
1343: char *
1344: format_expand_time(struct format_tree *ft, const char *fmt, time_t t)
1345: {
1346: struct tm *tm;
1.107 nicm 1347: char s[2048];
1.58 nicm 1348:
1.67 nicm 1349: if (fmt == NULL || *fmt == '\0')
1.58 nicm 1350: return (xstrdup(""));
1351:
1352: tm = localtime(&t);
1353:
1.107 nicm 1354: if (strftime(s, sizeof s, fmt, tm) == 0)
1355: return (xstrdup(""));
1.58 nicm 1356:
1.107 nicm 1357: return (format_expand(ft, s));
1.58 nicm 1358: }
1359:
1.1 nicm 1360: /* Expand keys in a template. */
1361: char *
1362: format_expand(struct format_tree *ft, const char *fmt)
1363: {
1.152 nicm 1364: char *buf, *out, *name;
1.79 nicm 1365: const char *ptr, *s, *saved = fmt;
1.86 nicm 1366: size_t off, len, n, outlen;
1.31 nicm 1367: int ch, brackets;
1.58 nicm 1368:
1369: if (fmt == NULL)
1370: return (xstrdup(""));
1.1 nicm 1371:
1372: len = 64;
1373: buf = xmalloc(len);
1374: off = 0;
1375:
1376: while (*fmt != '\0') {
1377: if (*fmt != '#') {
1378: while (len - off < 2) {
1.50 nicm 1379: buf = xreallocarray(buf, 2, len);
1.1 nicm 1380: len *= 2;
1381: }
1382: buf[off++] = *fmt++;
1383: continue;
1384: }
1385: fmt++;
1386:
1387: ch = (u_char) *fmt++;
1388: switch (ch) {
1.68 nicm 1389: case '(':
1390: brackets = 1;
1391: for (ptr = fmt; *ptr != '\0'; ptr++) {
1392: if (*ptr == '(')
1393: brackets++;
1394: if (*ptr == ')' && --brackets == 0)
1395: break;
1396: }
1397: if (*ptr != ')' || brackets != 0)
1398: break;
1399: n = ptr - fmt;
1400:
1.114 nicm 1401: if (ft->flags & FORMAT_NOJOBS)
1402: out = xstrdup("");
1.152 nicm 1403: else {
1404: name = xstrndup(fmt, n);
1405: out = format_job_get(ft, name);
1406: free(name);
1407: }
1.86 nicm 1408: outlen = strlen(out);
1.68 nicm 1409:
1.86 nicm 1410: while (len - off < outlen + 1) {
1.68 nicm 1411: buf = xreallocarray(buf, 2, len);
1412: len *= 2;
1413: }
1.86 nicm 1414: memcpy(buf + off, out, outlen);
1415: off += outlen;
1416:
1417: free(out);
1.68 nicm 1418:
1419: fmt += n + 1;
1420: continue;
1.1 nicm 1421: case '{':
1.169 nicm 1422: ptr = format_skip((char *)fmt - 2, "}");
1.155 nicm 1423: if (ptr == NULL)
1.1 nicm 1424: break;
1425: n = ptr - fmt;
1426:
1427: if (format_replace(ft, fmt, n, &buf, &len, &off) != 0)
1428: break;
1429: fmt += n + 1;
1.40 nicm 1430: continue;
1.155 nicm 1431: case '}':
1.40 nicm 1432: case '#':
1.155 nicm 1433: case ',':
1.40 nicm 1434: while (len - off < 2) {
1.50 nicm 1435: buf = xreallocarray(buf, 2, len);
1.40 nicm 1436: len *= 2;
1437: }
1.155 nicm 1438: buf[off++] = ch;
1.1 nicm 1439: continue;
1440: default:
1.25 nicm 1441: s = NULL;
1442: if (ch >= 'A' && ch <= 'Z')
1443: s = format_upper[ch - 'A'];
1444: else if (ch >= 'a' && ch <= 'z')
1445: s = format_lower[ch - 'a'];
1446: if (s == NULL) {
1447: while (len - off < 3) {
1.50 nicm 1448: buf = xreallocarray(buf, 2, len);
1.25 nicm 1449: len *= 2;
1.1 nicm 1450: }
1.25 nicm 1451: buf[off++] = '#';
1452: buf[off++] = ch;
1453: continue;
1.1 nicm 1454: }
1.25 nicm 1455: n = strlen(s);
1456: if (format_replace(ft, s, n, &buf, &len, &off) != 0)
1457: break;
1.1 nicm 1458: continue;
1459: }
1460:
1461: break;
1462: }
1463: buf[off] = '\0';
1464:
1.169 nicm 1465: log_debug("%s: '%s' -> '%s'", __func__, saved, buf);
1.1 nicm 1466: return (buf);
1.123 nicm 1467: }
1468:
1469: /* Expand a single string. */
1470: char *
1471: format_single(struct cmdq_item *item, const char *fmt, struct client *c,
1472: struct session *s, struct winlink *wl, struct window_pane *wp)
1473: {
1474: struct format_tree *ft;
1475: char *expanded;
1476:
1.131 nicm 1477: if (item != NULL)
1478: ft = format_create(item->client, item, FORMAT_NONE, 0);
1479: else
1480: ft = format_create(NULL, item, FORMAT_NONE, 0);
1.123 nicm 1481: format_defaults(ft, c, s, wl, wp);
1482:
1483: expanded = format_expand(ft, fmt);
1484: format_free(ft);
1485: return (expanded);
1.1 nicm 1486: }
1487:
1.57 nicm 1488: /* Set defaults for any of arguments that are not NULL. */
1489: void
1490: format_defaults(struct format_tree *ft, struct client *c, struct session *s,
1491: struct winlink *wl, struct window_pane *wp)
1492: {
1.154 nicm 1493: if (c != NULL && s != NULL && c->session != s)
1494: log_debug("%s: session does not match", __func__);
1495:
1.146 nicm 1496: format_add(ft, "session_format", "%d", s != NULL);
1497: format_add(ft, "window_format", "%d", wl != NULL);
1498: format_add(ft, "pane_format", "%d", wp != NULL);
1499:
1.57 nicm 1500: if (s == NULL && c != NULL)
1501: s = c->session;
1502: if (wl == NULL && s != NULL)
1503: wl = s->curw;
1504: if (wp == NULL && wl != NULL)
1505: wp = wl->window->active;
1506:
1507: if (c != NULL)
1508: format_defaults_client(ft, c);
1509: if (s != NULL)
1510: format_defaults_session(ft, s);
1.129 nicm 1511: if (wl != NULL)
1512: format_defaults_winlink(ft, wl);
1.57 nicm 1513: if (wp != NULL)
1514: format_defaults_pane(ft, wp);
1515: }
1516:
1.1 nicm 1517: /* Set default format keys for a session. */
1.108 nicm 1518: static void
1.57 nicm 1519: format_defaults_session(struct format_tree *ft, struct session *s)
1.1 nicm 1520: {
1521: struct session_group *sg;
1522:
1.54 nicm 1523: ft->s = s;
1524:
1.1 nicm 1525: format_add(ft, "session_name", "%s", s->name);
1526: format_add(ft, "session_windows", "%u", winlink_count(&s->windows));
1.23 nicm 1527: format_add(ft, "session_id", "$%u", s->id);
1.1 nicm 1528:
1.122 nicm 1529: sg = session_group_contains(s);
1.1 nicm 1530: format_add(ft, "session_grouped", "%d", sg != NULL);
1.148 nicm 1531: if (sg != NULL) {
1.122 nicm 1532: format_add(ft, "session_group", "%s", sg->name);
1.148 nicm 1533: format_add(ft, "session_group_size", "%u",
1534: session_group_count (sg));
1.150 nicm 1535: format_add_cb(ft, "session_group_list",
1536: format_cb_session_group_list);
1.148 nicm 1537: }
1.1 nicm 1538:
1.87 nicm 1539: format_add_tv(ft, "session_created", &s->creation_time);
1540: format_add_tv(ft, "session_last_attached", &s->last_attached_time);
1541: format_add_tv(ft, "session_activity", &s->activity_time);
1.1 nicm 1542:
1.41 nicm 1543: format_add(ft, "session_attached", "%u", s->attached);
1.59 nicm 1544: format_add(ft, "session_many_attached", "%d", s->attached > 1);
1.66 nicm 1545:
1.80 nicm 1546: format_add_cb(ft, "session_alerts", format_cb_session_alerts);
1.133 nicm 1547: format_add_cb(ft, "session_stack", format_cb_session_stack);
1.3 nicm 1548: }
1549:
1550: /* Set default format keys for a client. */
1.108 nicm 1551: static void
1.57 nicm 1552: format_defaults_client(struct format_tree *ft, struct client *c)
1.3 nicm 1553: {
1.60 nicm 1554: struct session *s;
1.103 nicm 1555: const char *name;
1.115 nicm 1556: struct tty *tty = &c->tty;
1557: const char *types[] = TTY_TYPES;
1.3 nicm 1558:
1.54 nicm 1559: if (ft->s == NULL)
1560: ft->s = c->session;
1.164 nicm 1561: ft->c = c;
1.54 nicm 1562:
1.124 nicm 1563: format_add(ft, "client_name", "%s", c->name);
1.72 nicm 1564: format_add(ft, "client_pid", "%ld", (long) c->pid);
1.115 nicm 1565: format_add(ft, "client_height", "%u", tty->sy);
1566: format_add(ft, "client_width", "%u", tty->sx);
1.124 nicm 1567: format_add(ft, "client_tty", "%s", c->ttyname);
1.75 nicm 1568: format_add(ft, "client_control_mode", "%d",
1569: !!(c->flags & CLIENT_CONTROL));
1.3 nicm 1570:
1.115 nicm 1571: if (tty->term_name != NULL)
1572: format_add(ft, "client_termname", "%s", tty->term_name);
1573: if (tty->term_name != NULL)
1574: format_add(ft, "client_termtype", "%s", types[tty->term_type]);
1575:
1.87 nicm 1576: format_add_tv(ft, "client_created", &c->creation_time);
1577: format_add_tv(ft, "client_activity", &c->activity_time);
1.126 nicm 1578:
1579: format_add(ft, "client_written", "%zu", c->written);
1580: format_add(ft, "client_discarded", "%zu", c->discarded);
1.14 nicm 1581:
1.103 nicm 1582: name = server_client_get_key_table(c);
1583: if (strcmp(c->keytable->name, name) == 0)
1.61 nicm 1584: format_add(ft, "client_prefix", "%d", 0);
1585: else
1586: format_add(ft, "client_prefix", "%d", 1);
1587: format_add(ft, "client_key_table", "%s", c->keytable->name);
1.3 nicm 1588:
1.115 nicm 1589: if (tty->flags & TTY_UTF8)
1.3 nicm 1590: format_add(ft, "client_utf8", "%d", 1);
1591: else
1592: format_add(ft, "client_utf8", "%d", 0);
1593:
1594: if (c->flags & CLIENT_READONLY)
1595: format_add(ft, "client_readonly", "%d", 1);
1596: else
1597: format_add(ft, "client_readonly", "%d", 0);
1.15 nicm 1598:
1599: s = c->session;
1600: if (s != NULL)
1601: format_add(ft, "client_session", "%s", s->name);
1602: s = c->last_session;
1603: if (s != NULL && session_alive(s))
1604: format_add(ft, "client_last_session", "%s", s->name);
1.1 nicm 1605: }
1606:
1.32 nicm 1607: /* Set default format keys for a window. */
1608: void
1.57 nicm 1609: format_defaults_window(struct format_tree *ft, struct window *w)
1.32 nicm 1610: {
1.54 nicm 1611: ft->w = w;
1612:
1.87 nicm 1613: format_add_tv(ft, "window_activity", &w->activity_time);
1.32 nicm 1614: format_add(ft, "window_id", "@%u", w->id);
1615: format_add(ft, "window_name", "%s", w->name);
1616: format_add(ft, "window_width", "%u", w->sx);
1617: format_add(ft, "window_height", "%u", w->sy);
1.80 nicm 1618: format_add_cb(ft, "window_layout", format_cb_window_layout);
1.96 nicm 1619: format_add_cb(ft, "window_visible_layout",
1620: format_cb_window_visible_layout);
1.32 nicm 1621: format_add(ft, "window_panes", "%u", window_count_panes(w));
1.59 nicm 1622: format_add(ft, "window_zoomed_flag", "%d",
1.53 nicm 1623: !!(w->flags & WINDOW_ZOOMED));
1.32 nicm 1624: }
1625:
1.1 nicm 1626: /* Set default format keys for a winlink. */
1.108 nicm 1627: static void
1.129 nicm 1628: format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
1.1 nicm 1629: {
1.164 nicm 1630: struct client *c = ft->c;
1.129 nicm 1631: struct session *s = wl->session;
1.1 nicm 1632: struct window *w = wl->window;
1.164 nicm 1633: int flag;
1634: u_int ox, oy, sx, sy;
1.1 nicm 1635:
1.54 nicm 1636: if (ft->w == NULL)
1637: ft->w = wl->window;
1.133 nicm 1638: ft->wl = wl;
1.54 nicm 1639:
1.57 nicm 1640: format_defaults_window(ft, w);
1.32 nicm 1641:
1.164 nicm 1642: if (c != NULL) {
1643: flag = tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1644: format_add(ft, "window_bigger", "%d", flag);
1645: if (flag) {
1646: format_add(ft, "window_offset_x", "%u", ox);
1647: format_add(ft, "window_offset_y", "%u", oy);
1648: }
1649: }
1650:
1.1 nicm 1651: format_add(ft, "window_index", "%d", wl->idx);
1.133 nicm 1652: format_add_cb(ft, "window_stack_index", format_cb_window_stack_index);
1.129 nicm 1653: format_add(ft, "window_flags", "%s", window_printable_flags(wl));
1.1 nicm 1654: format_add(ft, "window_active", "%d", wl == s->curw);
1.29 nicm 1655:
1.59 nicm 1656: format_add(ft, "window_bell_flag", "%d",
1.29 nicm 1657: !!(wl->flags & WINLINK_BELL));
1.59 nicm 1658: format_add(ft, "window_activity_flag", "%d",
1.29 nicm 1659: !!(wl->flags & WINLINK_ACTIVITY));
1.59 nicm 1660: format_add(ft, "window_silence_flag", "%d",
1.29 nicm 1661: !!(wl->flags & WINLINK_SILENCE));
1.59 nicm 1662: format_add(ft, "window_last_flag", "%d",
1.49 nicm 1663: !!(wl == TAILQ_FIRST(&s->lastw)));
1.64 nicm 1664: format_add(ft, "window_linked", "%d", session_is_linked(s, wl->window));
1.1 nicm 1665: }
1666:
1667: /* Set default format keys for a window pane. */
1668: void
1.57 nicm 1669: format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
1.1 nicm 1670: {
1.168 nicm 1671: struct window *w = wp->window;
1672: struct grid *gd = wp->base.grid;
1673: int status = wp->status;
1674: u_int idx;
1675: struct window_mode_entry *wme;
1.54 nicm 1676:
1677: if (ft->w == NULL)
1.159 nicm 1678: ft->w = w;
1.79 nicm 1679: ft->wp = wp;
1.1 nicm 1680:
1.16 nicm 1681: format_add(ft, "history_size", "%u", gd->hsize);
1682: format_add(ft, "history_limit", "%u", gd->hlimit);
1.80 nicm 1683: format_add_cb(ft, "history_bytes", format_cb_history_bytes);
1.1 nicm 1684:
1.4 nicm 1685: if (window_pane_index(wp, &idx) != 0)
1686: fatalx("index not found");
1.16 nicm 1687: format_add(ft, "pane_index", "%u", idx);
1.4 nicm 1688:
1.1 nicm 1689: format_add(ft, "pane_width", "%u", wp->sx);
1690: format_add(ft, "pane_height", "%u", wp->sy);
1691: format_add(ft, "pane_title", "%s", wp->base.title);
1692: format_add(ft, "pane_id", "%%%u", wp->id);
1.159 nicm 1693: format_add(ft, "pane_active", "%d", wp == w->active);
1.55 nicm 1694: format_add(ft, "pane_input_off", "%d", !!(wp->flags & PANE_INPUTOFF));
1.143 nicm 1695: format_add(ft, "pane_pipe", "%d", wp->pipe_fd != -1);
1.55 nicm 1696:
1.147 nicm 1697: if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(status))
1.55 nicm 1698: format_add(ft, "pane_dead_status", "%d", WEXITSTATUS(status));
1.1 nicm 1699: format_add(ft, "pane_dead", "%d", wp->fd == -1);
1.47 nicm 1700:
1.164 nicm 1701: format_add(ft, "pane_left", "%u", wp->xoff);
1702: format_add(ft, "pane_top", "%u", wp->yoff);
1703: format_add(ft, "pane_right", "%u", wp->xoff + wp->sx - 1);
1704: format_add(ft, "pane_bottom", "%u", wp->yoff + wp->sy - 1);
1705: format_add(ft, "pane_at_left", "%d", wp->xoff == 0);
1706: format_add(ft, "pane_at_top", "%d", wp->yoff == 0);
1707: format_add(ft, "pane_at_right", "%d", wp->xoff + wp->sx == w->sx);
1708: format_add(ft, "pane_at_bottom", "%d", wp->yoff + wp->sy == w->sy);
1.16 nicm 1709:
1.168 nicm 1710: wme = TAILQ_FIRST(&wp->modes);
1711: if (wme != NULL) {
1712: format_add(ft, "pane_mode", "%s", wme->mode->name);
1713: if (wme->mode->formats != NULL)
1714: wme->mode->formats(wme, ft);
1715: }
1716: format_add_cb(ft, "pane_in_mode", format_cb_pane_in_mode);
1.134 nicm 1717:
1.26 nicm 1718: format_add(ft, "pane_synchronized", "%d",
1.159 nicm 1719: !!options_get_number(w->options, "synchronize-panes"));
1.135 nicm 1720: if (wp->searchstr != NULL)
1721: format_add(ft, "pane_search_string", "%s", wp->searchstr);
1.16 nicm 1722:
1.71 nicm 1723: format_add(ft, "pane_tty", "%s", wp->tty);
1.16 nicm 1724: format_add(ft, "pane_pid", "%ld", (long) wp->pid);
1.79 nicm 1725: format_add_cb(ft, "pane_start_command", format_cb_start_command);
1726: format_add_cb(ft, "pane_current_command", format_cb_current_command);
1.16 nicm 1727:
1.59 nicm 1728: format_add(ft, "cursor_x", "%u", wp->base.cx);
1729: format_add(ft, "cursor_y", "%u", wp->base.cy);
1730: format_add(ft, "scroll_region_upper", "%u", wp->base.rupper);
1731: format_add(ft, "scroll_region_lower", "%u", wp->base.rlower);
1.16 nicm 1732:
1733: format_add(ft, "alternate_on", "%d", wp->saved_grid ? 1 : 0);
1.59 nicm 1734: format_add(ft, "alternate_saved_x", "%u", wp->saved_cx);
1735: format_add(ft, "alternate_saved_y", "%u", wp->saved_cy);
1.16 nicm 1736:
1737: format_add(ft, "cursor_flag", "%d",
1738: !!(wp->base.mode & MODE_CURSOR));
1739: format_add(ft, "insert_flag", "%d",
1740: !!(wp->base.mode & MODE_INSERT));
1741: format_add(ft, "keypad_cursor_flag", "%d",
1742: !!(wp->base.mode & MODE_KCURSOR));
1743: format_add(ft, "keypad_flag", "%d",
1744: !!(wp->base.mode & MODE_KKEYPAD));
1745: format_add(ft, "wrap_flag", "%d",
1746: !!(wp->base.mode & MODE_WRAP));
1747:
1.62 nicm 1748: format_add(ft, "mouse_any_flag", "%d",
1.119 nicm 1749: !!(wp->base.mode & ALL_MOUSE_MODES));
1.16 nicm 1750: format_add(ft, "mouse_standard_flag", "%d",
1751: !!(wp->base.mode & MODE_MOUSE_STANDARD));
1752: format_add(ft, "mouse_button_flag", "%d",
1753: !!(wp->base.mode & MODE_MOUSE_BUTTON));
1.119 nicm 1754: format_add(ft, "mouse_all_flag", "%d",
1755: !!(wp->base.mode & MODE_MOUSE_ALL));
1.19 nicm 1756:
1.80 nicm 1757: format_add_cb(ft, "pane_tabs", format_cb_pane_tabs);
1.8 nicm 1758: }
1759:
1.19 nicm 1760: /* Set default format keys for paste buffer. */
1.8 nicm 1761: void
1.94 nicm 1762: format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
1.8 nicm 1763: {
1.146 nicm 1764: struct timeval tv;
1765: size_t size;
1766: char *s;
1767:
1768: timerclear(&tv);
1769: tv.tv_sec = paste_buffer_created(pb);
1770: paste_buffer_data(pb, &size);
1.8 nicm 1771:
1.146 nicm 1772: format_add(ft, "buffer_size", "%zu", size);
1.81 nicm 1773: format_add(ft, "buffer_name", "%s", paste_buffer_name(pb));
1.146 nicm 1774: format_add_tv(ft, "buffer_created", &tv);
1.8 nicm 1775:
1.94 nicm 1776: s = paste_make_sample(pb);
1.42 nicm 1777: format_add(ft, "buffer_sample", "%s", s);
1778: free(s);
1.1 nicm 1779: }
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