Annotation of src/usr.bin/tmux/format.c, Revision 1.81
1.81 ! nicm 1: /* $OpenBSD: format.c,v 1.80 2015/08/28 17:01:42 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2011 Nicholas Marriott <nicm@users.sourceforge.net>
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:
1.30 nicm 22: #include <ctype.h>
23: #include <errno.h>
1.1 nicm 24: #include <netdb.h>
25: #include <stdarg.h>
1.9 nicm 26: #include <stdlib.h>
1.1 nicm 27: #include <string.h>
28: #include <time.h>
29: #include <unistd.h>
30:
31: #include "tmux.h"
32:
33: /*
34: * Build a list of key-value pairs and use them to expand #{key} entries in a
35: * string.
36: */
37:
1.79 nicm 38: struct format_entry;
39: typedef void (*format_cb)(struct format_tree *, struct format_entry *);
40:
1.68 nicm 41: void format_job_callback(struct job *);
42: const char *format_job_get(struct format_tree *, const char *);
1.77 nicm 43: void format_job_timer(int, short, void *);
1.68 nicm 44:
1.79 nicm 45: void format_cb_host(struct format_tree *, struct format_entry *);
46: void format_cb_host_short(struct format_tree *, struct format_entry *);
47: void format_cb_pid(struct format_tree *, struct format_entry *);
1.80 nicm 48: void format_cb_session_alerts(struct format_tree *, struct format_entry *);
49: void format_cb_window_layout(struct format_tree *, struct format_entry *);
1.79 nicm 50: void format_cb_start_command(struct format_tree *, struct format_entry *);
51: void format_cb_current_command(struct format_tree *, struct format_entry *);
1.80 nicm 52: void format_cb_history_bytes(struct format_tree *, struct format_entry *);
53: void format_cb_pane_tabs(struct format_tree *, struct format_entry *);
1.79 nicm 54:
55: void format_add_cb(struct format_tree *, const char *, format_cb);
1.32 nicm 56: int format_replace(struct format_tree *, const char *, size_t, char **,
57: size_t *, size_t *);
1.60 nicm 58: char *format_time_string(time_t);
1.57 nicm 59:
60: void format_defaults_pane_tabs(struct format_tree *, struct window_pane *);
61: void format_defaults_session(struct format_tree *, struct session *);
62: void format_defaults_client(struct format_tree *, struct client *);
63: void format_defaults_winlink(struct format_tree *, struct session *,
64: struct winlink *);
1.1 nicm 65:
1.68 nicm 66: /* Entry in format job tree. */
67: struct format_job {
68: const char *cmd;
69:
70: time_t last;
71: char *out;
72:
73: struct job *job;
74: int status;
75:
76: RB_ENTRY(format_job) entry;
77: };
78:
79: /* Format job tree. */
1.77 nicm 80: struct event format_job_event;
1.68 nicm 81: int format_job_cmp(struct format_job *, struct format_job *);
82: RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
83: RB_PROTOTYPE(format_job_tree, format_job, entry, format_job_cmp);
84: RB_GENERATE(format_job_tree, format_job, entry, format_job_cmp);
85:
86: /* Format job tree comparison function. */
87: int
88: format_job_cmp(struct format_job *fj1, struct format_job *fj2)
89: {
90: return (strcmp(fj1->cmd, fj2->cmd));
91: }
92:
1.54 nicm 93: /* Entry in format tree. */
94: struct format_entry {
1.79 nicm 95: char *key;
96: char *value;
97: format_cb cb;
98: RB_ENTRY(format_entry) entry;
1.54 nicm 99: };
100:
1.68 nicm 101: /* Format entry tree. */
1.54 nicm 102: struct format_tree {
1.79 nicm 103: struct window *w;
104: struct session *s;
105: struct window_pane *wp;
1.54 nicm 106:
1.79 nicm 107: int status;
1.68 nicm 108:
109: RB_HEAD(format_entry_tree, format_entry) tree;
1.54 nicm 110: };
1.68 nicm 111: int format_entry_cmp(struct format_entry *, struct format_entry *);
112: RB_PROTOTYPE(format_entry_tree, format_entry, entry, format_entry_cmp);
113: RB_GENERATE(format_entry_tree, format_entry, entry, format_entry_cmp);
1.54 nicm 114:
1.68 nicm 115: /* Format entry tree comparison function. */
1.1 nicm 116: int
1.68 nicm 117: format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
1.1 nicm 118: {
119: return (strcmp(fe1->key, fe2->key));
120: }
121:
1.25 nicm 122: /* Single-character uppercase aliases. */
123: const char *format_upper[] = {
1.1 nicm 124: NULL, /* A */
125: NULL, /* B */
126: NULL, /* C */
127: "pane_id", /* D */
128: NULL, /* E */
129: "window_flags", /* F */
130: NULL, /* G */
131: "host", /* H */
132: "window_index", /* I */
133: NULL, /* J */
134: NULL, /* K */
135: NULL, /* L */
136: NULL, /* M */
137: NULL, /* N */
138: NULL, /* O */
139: "pane_index", /* P */
140: NULL, /* Q */
141: NULL, /* R */
142: "session_name", /* S */
143: "pane_title", /* T */
144: NULL, /* U */
145: NULL, /* V */
146: "window_name", /* W */
147: NULL, /* X */
148: NULL, /* Y */
149: NULL /* Z */
150: };
151:
1.25 nicm 152: /* Single-character lowercase aliases. */
153: const char *format_lower[] = {
154: NULL, /* a */
155: NULL, /* b */
156: NULL, /* c */
157: NULL, /* d */
158: NULL, /* e */
159: NULL, /* f */
160: NULL, /* g */
161: "host_short", /* h */
162: NULL, /* i */
163: NULL, /* j */
164: NULL, /* k */
165: NULL, /* l */
166: NULL, /* m */
167: NULL, /* n */
168: NULL, /* o */
169: NULL, /* p */
170: NULL, /* q */
171: NULL, /* r */
172: NULL, /* s */
173: NULL, /* t */
174: NULL, /* u */
175: NULL, /* v */
176: NULL, /* w */
177: NULL, /* x */
178: NULL, /* y */
179: NULL /* z */
180: };
181:
1.68 nicm 182: /* Format job callback. */
183: void
184: format_job_callback(struct job *job)
185: {
186: struct format_job *fj = job->data;
187: char *line, *buf;
188: size_t len;
189: struct client *c;
190:
191: fj->job = NULL;
192: free(fj->out);
193:
194: buf = NULL;
195: if ((line = evbuffer_readline(job->event->input)) == NULL) {
196: len = EVBUFFER_LENGTH(job->event->input);
197: buf = xmalloc(len + 1);
198: if (len != 0)
199: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
200: buf[len] = '\0';
201: } else
202: buf = line;
203: fj->out = buf;
204:
205: if (fj->status) {
206: TAILQ_FOREACH(c, &clients, entry)
207: server_status_client(c);
208: fj->status = 0;
209: }
1.77 nicm 210:
211: log_debug("%s: %s: %s", __func__, fj->cmd, fj->out);
1.68 nicm 212: }
213:
214: /* Find a job. */
215: const char *
216: format_job_get(struct format_tree *ft, const char *cmd)
217: {
218: struct format_job fj0, *fj;
219:
220: fj0.cmd = cmd;
221: if ((fj = RB_FIND(format_job_tree, &format_jobs, &fj0)) == NULL)
222: {
223: fj = xcalloc(1, sizeof *fj);
224: fj->cmd = xstrdup(cmd);
225: fj->status = ft->status;
226:
227: xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
228:
229: RB_INSERT(format_job_tree, &format_jobs, fj);
230: }
231:
232: if (fj->job == NULL && fj->last != time(NULL)) {
233: fj->job = job_run(fj->cmd, NULL, -1, format_job_callback,
234: NULL, fj);
235: if (fj->job == NULL) {
236: free(fj->out);
237: xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
238: }
239: }
240: fj->last = time(NULL);
241:
242: return (fj->out);
243: }
244:
245: /* Remove old jobs. */
246: void
1.77 nicm 247: format_job_timer(unused int fd, unused short events, unused void *arg)
1.68 nicm 248: {
249: struct format_job *fj, *fj1;
250: time_t now;
1.77 nicm 251: struct timeval tv = { .tv_sec = 60 };
1.68 nicm 252:
253: now = time(NULL);
254: RB_FOREACH_SAFE(fj, format_job_tree, &format_jobs, fj1) {
255: if (fj->last > now || now - fj->last < 3600)
256: continue;
257: RB_REMOVE(format_job_tree, &format_jobs, fj);
258:
1.77 nicm 259: log_debug("%s: %s", __func__, fj->cmd);
260:
1.68 nicm 261: if (fj->job != NULL)
262: job_free(fj->job);
263:
1.78 nicm 264: free((void *)fj->cmd);
1.68 nicm 265: free(fj->out);
266:
267: free(fj);
268: }
1.77 nicm 269:
270: evtimer_del(&format_job_event);
271: evtimer_add(&format_job_event, &tv);
1.68 nicm 272: }
273:
1.79 nicm 274: /* Callback for host. */
275: void
276: format_cb_host(unused struct format_tree *ft, struct format_entry *fe)
277: {
278: char host[HOST_NAME_MAX + 1];
279:
280: if (gethostname(host, sizeof host) != 0)
281: fe->value = xstrdup("");
282: else
283: fe->value = xstrdup(host);
284: }
285:
286: /* Callback for host_short. */
287: void
288: format_cb_host_short(unused struct format_tree *ft, struct format_entry *fe)
289: {
290: char host[HOST_NAME_MAX + 1], *cp;
291:
292: if (gethostname(host, sizeof host) != 0)
293: fe->value = xstrdup("");
294: else {
295: if ((cp = strchr(host, '.')) != NULL)
296: *cp = '\0';
297: fe->value = xstrdup(host);
298: }
299: }
300:
301: /* Callback for pid. */
302: void
303: format_cb_pid(unused struct format_tree *ft, struct format_entry *fe)
304: {
305: xasprintf(&fe->value, "%ld", (long)getpid());
306: }
307:
1.80 nicm 308: /* Callback for session_alerts. */
309: void
310: format_cb_session_alerts(struct format_tree *ft, struct format_entry *fe)
311: {
312: struct session *s = ft->s;
313: struct winlink *wl;
314: char alerts[256], tmp[16];
315:
316: if (s == NULL)
317: return;
318:
319: *alerts = '\0';
320: RB_FOREACH(wl, winlinks, &s->windows) {
321: if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
322: continue;
323: xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
324:
325: if (*alerts != '\0')
326: strlcat(alerts, ",", sizeof alerts);
327: strlcat(alerts, tmp, sizeof alerts);
328: if (wl->flags & WINLINK_ACTIVITY)
329: strlcat(alerts, "#", sizeof alerts);
330: if (wl->flags & WINLINK_BELL)
331: strlcat(alerts, "!", sizeof alerts);
332: if (wl->flags & WINLINK_SILENCE)
333: strlcat(alerts, "~", sizeof alerts);
334: }
335: fe->value = xstrdup(alerts);
336: }
337:
338: /* Callback for window_layout. */
339: void
340: format_cb_window_layout(struct format_tree *ft, struct format_entry *fe)
341: {
342: struct window *w = ft->w;
343:
344: if (w == NULL)
345: return;
346:
347: if (w->saved_layout_root != NULL)
348: fe->value = layout_dump(w->saved_layout_root);
349: else
350: fe->value = layout_dump(w->layout_root);
351: }
352:
1.79 nicm 353: /* Callback for pane_start_command. */
354: void
355: format_cb_start_command(struct format_tree *ft, struct format_entry *fe)
356: {
357: struct window_pane *wp = ft->wp;
358:
359: if (wp == NULL)
360: return;
361:
362: fe->value = cmd_stringify_argv(wp->argc, wp->argv);
363: }
364:
365: /* Callback for pane_current_command. */
366: void
367: format_cb_current_command(struct format_tree *ft, struct format_entry *fe)
368: {
369: struct window_pane *wp = ft->wp;
370: char *cmd;
371:
372: if (wp == NULL)
373: return;
374:
375: cmd = get_proc_name(wp->fd, wp->tty);
376: if (cmd == NULL || *cmd == '\0') {
377: free(cmd);
378: cmd = cmd_stringify_argv(wp->argc, wp->argv);
379: if (cmd == NULL || *cmd == '\0') {
380: free(cmd);
381: cmd = xstrdup(wp->shell);
382: }
383: }
384: fe->value = parse_window_name(cmd);
385: free(cmd);
386: }
387:
1.80 nicm 388: /* Callback for history_bytes. */
389: void
390: format_cb_history_bytes(struct format_tree *ft, struct format_entry *fe)
391: {
392: struct window_pane *wp = ft->wp;
393: struct grid *gd;
394: struct grid_line *gl;
395: unsigned long long size;
396: u_int i;
397:
398: if (wp == NULL)
399: return;
400: gd = wp->base.grid;
401:
402: size = 0;
403: for (i = 0; i < gd->hsize; i++) {
404: gl = &gd->linedata[i];
405: size += gl->cellsize * sizeof *gl->celldata;
406: }
407: size += gd->hsize * sizeof *gd->linedata;
408:
409: xasprintf(&fe->value, "%llu", size);
410: }
411:
412: /* Callback for pane_tabs. */
413: void
414: format_cb_pane_tabs(struct format_tree *ft, struct format_entry *fe)
415: {
416: struct window_pane *wp = ft->wp;
417: struct evbuffer *buffer;
418: u_int i;
419: int size;
420:
421: if (wp == NULL)
422: return;
423:
424: buffer = evbuffer_new();
425: for (i = 0; i < wp->base.grid->sx; i++) {
426: if (!bit_test(wp->base.tabs, i))
427: continue;
428:
429: if (EVBUFFER_LENGTH(buffer) > 0)
430: evbuffer_add(buffer, ",", 1);
431: evbuffer_add_printf(buffer, "%u", i);
432: }
433: size = EVBUFFER_LENGTH(buffer);
434: xasprintf(&fe->value, "%.*s", size, EVBUFFER_DATA(buffer));
435: evbuffer_free(buffer);
436: }
437:
1.1 nicm 438: /* Create a new tree. */
439: struct format_tree *
440: format_create(void)
441: {
1.68 nicm 442: return (format_create_status(0));
443: }
444:
445: /* Create a new tree for the status line. */
446: struct format_tree *
447: format_create_status(int status)
448: {
1.1 nicm 449: struct format_tree *ft;
1.77 nicm 450:
451: if (!event_initialized(&format_job_event)) {
452: evtimer_set(&format_job_event, format_job_timer, NULL);
453: format_job_timer(-1, 0, NULL);
454: }
1.1 nicm 455:
1.54 nicm 456: ft = xcalloc(1, sizeof *ft);
457: RB_INIT(&ft->tree);
1.68 nicm 458: ft->status = status;
1.1 nicm 459:
1.79 nicm 460: format_add_cb(ft, "host", format_cb_host);
461: format_add_cb(ft, "host_short", format_cb_host_short);
462: format_add_cb(ft, "pid", format_cb_pid);
1.1 nicm 463:
464: return (ft);
465: }
466:
467: /* Free a tree. */
468: void
469: format_free(struct format_tree *ft)
470: {
1.54 nicm 471: struct format_entry *fe, *fe1;
1.1 nicm 472:
1.68 nicm 473: RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
474: RB_REMOVE(format_entry_tree, &ft->tree, fe);
1.9 nicm 475: free(fe->value);
476: free(fe->key);
477: free(fe);
1.1 nicm 478: }
479:
1.25 nicm 480: free(ft);
1.1 nicm 481: }
482:
483: /* Add a key-value pair. */
484: void
485: format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
486: {
487: struct format_entry *fe;
1.28 nicm 488: struct format_entry *fe_now;
1.1 nicm 489: va_list ap;
490:
491: fe = xmalloc(sizeof *fe);
492: fe->key = xstrdup(key);
493:
1.79 nicm 494: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
495: if (fe_now != NULL) {
496: free(fe->key);
497: free(fe);
498: free(fe_now->value);
499: fe = fe_now;
500: }
501:
502: fe->cb = NULL;
503:
1.1 nicm 504: va_start(ap, fmt);
505: xvasprintf(&fe->value, fmt, ap);
506: va_end(ap);
1.79 nicm 507: }
508:
509: /* Add a key and function. */
510: void
511: format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
512: {
513: struct format_entry *fe;
514: struct format_entry *fe_now;
515:
516: fe = xmalloc(sizeof *fe);
517: fe->key = xstrdup(key);
1.1 nicm 518:
1.68 nicm 519: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
1.28 nicm 520: if (fe_now != NULL) {
521: free(fe->key);
522: free(fe);
1.79 nicm 523: free(fe_now->value);
524: fe = fe_now;
1.28 nicm 525: }
1.79 nicm 526:
527: fe->cb = cb;
528:
529: fe->value = NULL;
1.1 nicm 530: }
531:
532: /* Find a format entry. */
533: const char *
534: format_find(struct format_tree *ft, const char *key)
535: {
536: struct format_entry *fe, fe_find;
1.54 nicm 537: struct options_entry *o;
1.76 nicm 538: struct environ_entry *envent;
1.54 nicm 539: static char s[16];
540:
541: o = options_find(&global_options, key);
542: if (o == NULL && ft->w != NULL)
543: o = options_find(&ft->w->options, key);
544: if (o == NULL)
545: o = options_find(&global_w_options, key);
546: if (o == NULL && ft->s != NULL)
547: o = options_find(&ft->s->options, key);
548: if (o == NULL)
549: o = options_find(&global_s_options, key);
550: if (o != NULL) {
551: switch (o->type) {
552: case OPTIONS_STRING:
553: return (o->str);
554: case OPTIONS_NUMBER:
1.74 nicm 555: xsnprintf(s, sizeof s, "%lld", o->num);
1.54 nicm 556: return (s);
557: case OPTIONS_STYLE:
558: return (style_tostring(&o->style));
559: }
560: }
1.1 nicm 561:
562: fe_find.key = (char *) key;
1.68 nicm 563: fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
1.79 nicm 564: if (fe != NULL) {
565: if (fe->value == NULL && fe->cb != NULL)
566: fe->cb(ft, fe);
1.76 nicm 567: return (fe->value);
1.79 nicm 568: }
1.76 nicm 569:
570: envent = NULL;
571: if (ft->s != NULL)
572: envent = environ_find(&ft->s->environ, key);
573: if (envent == NULL)
574: envent = environ_find(&global_environ, key);
575: if (envent != NULL)
576: return (envent->value);
577:
578: return (NULL);
1.1 nicm 579: }
580:
581: /*
582: * Replace a key/value pair in buffer. #{blah} is expanded directly,
583: * #{?blah,a,b} is replace with a if blah exists and is nonzero else b.
584: */
585: int
1.30 nicm 586: format_replace(struct format_tree *ft, const char *key, size_t keylen,
587: char **buf, size_t *len, size_t *off)
1.1 nicm 588: {
1.44 nicm 589: char *copy, *copy0, *endptr, *ptr, *saved, *trimmed;
1.1 nicm 590: const char *value;
591: size_t valuelen;
1.44 nicm 592: u_long limit = 0;
1.1 nicm 593:
594: /* Make a copy of the key. */
1.30 nicm 595: copy0 = copy = xmalloc(keylen + 1);
1.1 nicm 596: memcpy(copy, key, keylen);
597: copy[keylen] = '\0';
598:
1.30 nicm 599: /* Is there a length limit or whatnot? */
1.76 nicm 600: if (!isalpha((u_char) *copy) && *copy != '@' && *copy != '?') {
1.30 nicm 601: while (*copy != ':' && *copy != '\0') {
602: switch (*copy) {
603: case '=':
604: errno = 0;
605: limit = strtoul(copy + 1, &endptr, 10);
606: if (errno == ERANGE && limit == ULONG_MAX)
607: goto fail;
608: copy = endptr;
609: break;
610: default:
611: copy++;
612: break;
613: }
614: }
615: if (*copy != ':')
616: goto fail;
617: copy++;
618: }
619:
1.1 nicm 620: /*
621: * Is this a conditional? If so, check it exists and extract either the
622: * first or second element. If not, look up the key directly.
623: */
624: if (*copy == '?') {
625: ptr = strchr(copy, ',');
626: if (ptr == NULL)
627: goto fail;
628: *ptr = '\0';
629:
630: value = format_find(ft, copy + 1);
1.52 nicm 631: if (value != NULL && *value != '\0' &&
632: (value[0] != '0' || value[1] != '\0')) {
1.1 nicm 633: value = ptr + 1;
634: ptr = strchr(value, ',');
635: if (ptr == NULL)
636: goto fail;
637: *ptr = '\0';
638: } else {
639: ptr = strchr(ptr + 1, ',');
640: if (ptr == NULL)
641: goto fail;
642: value = ptr + 1;
643: }
1.31 nicm 644: saved = format_expand(ft, value);
645: value = saved;
1.1 nicm 646: } else {
647: value = format_find(ft, copy);
648: if (value == NULL)
649: value = "";
1.31 nicm 650: saved = NULL;
1.1 nicm 651: }
652:
1.30 nicm 653: /* Truncate the value if needed. */
1.44 nicm 654: if (limit != 0) {
655: value = trimmed = utf8_trimcstr(value, limit);
656: free(saved);
657: saved = trimmed;
658: }
659: valuelen = strlen(value);
1.30 nicm 660:
1.1 nicm 661: /* Expand the buffer and copy in the value. */
662: while (*len - *off < valuelen + 1) {
1.50 nicm 663: *buf = xreallocarray(*buf, 2, *len);
1.1 nicm 664: *len *= 2;
665: }
666: memcpy(*buf + *off, value, valuelen);
667: *off += valuelen;
668:
1.31 nicm 669: free(saved);
1.30 nicm 670: free(copy0);
1.1 nicm 671: return (0);
672:
673: fail:
1.30 nicm 674: free(copy0);
1.1 nicm 675: return (-1);
676: }
677:
1.58 nicm 678: /* Expand keys in a template, passing through strftime first. */
679: char *
680: format_expand_time(struct format_tree *ft, const char *fmt, time_t t)
681: {
682: char *tmp, *expanded;
683: size_t tmplen;
684: struct tm *tm;
685:
1.67 nicm 686: if (fmt == NULL || *fmt == '\0')
1.58 nicm 687: return (xstrdup(""));
688:
689: tm = localtime(&t);
690:
691: tmp = NULL;
692: tmplen = strlen(fmt);
693:
694: do {
695: tmp = xreallocarray(tmp, 2, tmplen);
696: tmplen *= 2;
697: } while (strftime(tmp, tmplen, fmt, tm) == 0);
698:
699: expanded = format_expand(ft, tmp);
700: free(tmp);
701:
702: return (expanded);
703: }
704:
1.1 nicm 705: /* Expand keys in a template. */
706: char *
707: format_expand(struct format_tree *ft, const char *fmt)
708: {
1.69 nicm 709: char *buf, *tmp, *cmd;
1.79 nicm 710: const char *ptr, *s, *saved = fmt;
1.68 nicm 711: size_t off, len, n, slen;
1.31 nicm 712: int ch, brackets;
1.58 nicm 713:
714: if (fmt == NULL)
715: return (xstrdup(""));
1.1 nicm 716:
717: len = 64;
718: buf = xmalloc(len);
719: off = 0;
720:
721: while (*fmt != '\0') {
722: if (*fmt != '#') {
723: while (len - off < 2) {
1.50 nicm 724: buf = xreallocarray(buf, 2, len);
1.1 nicm 725: len *= 2;
726: }
727: buf[off++] = *fmt++;
728: continue;
729: }
730: fmt++;
731:
732: ch = (u_char) *fmt++;
733: switch (ch) {
1.68 nicm 734: case '(':
735: brackets = 1;
736: for (ptr = fmt; *ptr != '\0'; ptr++) {
737: if (*ptr == '(')
738: brackets++;
739: if (*ptr == ')' && --brackets == 0)
740: break;
741: }
742: if (*ptr != ')' || brackets != 0)
743: break;
744: n = ptr - fmt;
745:
746: tmp = xmalloc(n + 1);
747: memcpy(tmp, fmt, n);
748: tmp[n] = '\0';
1.69 nicm 749: cmd = format_expand(ft, tmp);
1.68 nicm 750:
1.69 nicm 751: s = format_job_get(ft, cmd);
1.68 nicm 752: slen = strlen(s);
1.69 nicm 753:
754: free(cmd);
755: free(tmp);
1.68 nicm 756:
757: while (len - off < slen + 1) {
758: buf = xreallocarray(buf, 2, len);
759: len *= 2;
760: }
761: memcpy(buf + off, s, slen);
762: off += slen;
763:
764: fmt += n + 1;
765: continue;
1.1 nicm 766: case '{':
1.31 nicm 767: brackets = 1;
768: for (ptr = fmt; *ptr != '\0'; ptr++) {
769: if (*ptr == '{')
770: brackets++;
771: if (*ptr == '}' && --brackets == 0)
772: break;
773: }
774: if (*ptr != '}' || brackets != 0)
1.1 nicm 775: break;
776: n = ptr - fmt;
777:
778: if (format_replace(ft, fmt, n, &buf, &len, &off) != 0)
779: break;
780: fmt += n + 1;
1.40 nicm 781: continue;
782: case '#':
783: while (len - off < 2) {
1.50 nicm 784: buf = xreallocarray(buf, 2, len);
1.40 nicm 785: len *= 2;
786: }
787: buf[off++] = '#';
1.1 nicm 788: continue;
789: default:
1.25 nicm 790: s = NULL;
791: if (ch >= 'A' && ch <= 'Z')
792: s = format_upper[ch - 'A'];
793: else if (ch >= 'a' && ch <= 'z')
794: s = format_lower[ch - 'a'];
795: if (s == NULL) {
796: while (len - off < 3) {
1.50 nicm 797: buf = xreallocarray(buf, 2, len);
1.25 nicm 798: len *= 2;
1.1 nicm 799: }
1.25 nicm 800: buf[off++] = '#';
801: buf[off++] = ch;
802: continue;
1.1 nicm 803: }
1.25 nicm 804: n = strlen(s);
805: if (format_replace(ft, s, n, &buf, &len, &off) != 0)
806: break;
1.1 nicm 807: continue;
808: }
809:
810: break;
811: }
812: buf[off] = '\0';
813:
1.79 nicm 814: log_debug("format '%s' -> '%s'", saved, buf);
1.1 nicm 815: return (buf);
816: }
817:
1.60 nicm 818: /* Get time as a string. */
819: char *
820: format_time_string(time_t t)
821: {
822: char *tim;
823:
824: tim = ctime(&t);
825: *strchr(tim, '\n') = '\0';
826:
827: return (tim);
828: }
829:
1.57 nicm 830: /* Set defaults for any of arguments that are not NULL. */
831: void
832: format_defaults(struct format_tree *ft, struct client *c, struct session *s,
833: struct winlink *wl, struct window_pane *wp)
834: {
835: if (s == NULL && c != NULL)
836: s = c->session;
837: if (wl == NULL && s != NULL)
838: wl = s->curw;
839: if (wp == NULL && wl != NULL)
840: wp = wl->window->active;
841:
842: if (c != NULL)
843: format_defaults_client(ft, c);
844: if (s != NULL)
845: format_defaults_session(ft, s);
846: if (s != NULL && wl != NULL)
847: format_defaults_winlink(ft, s, wl);
848: if (wp != NULL)
849: format_defaults_pane(ft, wp);
850: }
851:
1.1 nicm 852: /* Set default format keys for a session. */
853: void
1.57 nicm 854: format_defaults_session(struct format_tree *ft, struct session *s)
1.1 nicm 855: {
856: struct session_group *sg;
857: time_t t;
858:
1.54 nicm 859: ft->s = s;
860:
1.1 nicm 861: format_add(ft, "session_name", "%s", s->name);
862: format_add(ft, "session_windows", "%u", winlink_count(&s->windows));
863: format_add(ft, "session_width", "%u", s->sx);
864: format_add(ft, "session_height", "%u", s->sy);
1.23 nicm 865: format_add(ft, "session_id", "$%u", s->id);
1.1 nicm 866:
867: sg = session_group_find(s);
868: format_add(ft, "session_grouped", "%d", sg != NULL);
869: if (sg != NULL)
870: format_add(ft, "session_group", "%u", session_group_index(sg));
871:
872: t = s->creation_time.tv_sec;
1.24 deraadt 873: format_add(ft, "session_created", "%lld", (long long) t);
1.60 nicm 874: format_add(ft, "session_created_string", "%s", format_time_string(t));
875:
876: t = s->activity_time.tv_sec;
877: format_add(ft, "session_activity", "%lld", (long long) t);
878: format_add(ft, "session_activity_string", "%s", format_time_string(t));
1.1 nicm 879:
1.41 nicm 880: format_add(ft, "session_attached", "%u", s->attached);
1.59 nicm 881: format_add(ft, "session_many_attached", "%d", s->attached > 1);
1.66 nicm 882:
1.80 nicm 883: format_add_cb(ft, "session_alerts", format_cb_session_alerts);
1.3 nicm 884: }
885:
886: /* Set default format keys for a client. */
887: void
1.57 nicm 888: format_defaults_client(struct format_tree *ft, struct client *c)
1.3 nicm 889: {
1.60 nicm 890: struct session *s;
1.15 nicm 891: time_t t;
1.3 nicm 892:
1.54 nicm 893: if (ft->s == NULL)
894: ft->s = c->session;
895:
1.72 nicm 896: format_add(ft, "client_pid", "%ld", (long) c->pid);
1.6 nicm 897: format_add(ft, "client_height", "%u", c->tty.sy);
898: format_add(ft, "client_width", "%u", c->tty.sx);
1.27 nicm 899: if (c->tty.path != NULL)
900: format_add(ft, "client_tty", "%s", c->tty.path);
901: if (c->tty.termname != NULL)
902: format_add(ft, "client_termname", "%s", c->tty.termname);
1.75 nicm 903: format_add(ft, "client_control_mode", "%d",
904: !!(c->flags & CLIENT_CONTROL));
1.3 nicm 905:
906: t = c->creation_time.tv_sec;
1.24 deraadt 907: format_add(ft, "client_created", "%lld", (long long) t);
1.60 nicm 908: format_add(ft, "client_created_string", "%s", format_time_string(t));
1.3 nicm 909:
910: t = c->activity_time.tv_sec;
1.24 deraadt 911: format_add(ft, "client_activity", "%lld", (long long) t);
1.60 nicm 912: format_add(ft, "client_activity_string", "%s", format_time_string(t));
1.14 nicm 913:
1.61 nicm 914: if (strcmp(c->keytable->name, "root") == 0)
915: format_add(ft, "client_prefix", "%d", 0);
916: else
917: format_add(ft, "client_prefix", "%d", 1);
918: format_add(ft, "client_key_table", "%s", c->keytable->name);
1.3 nicm 919:
920: if (c->tty.flags & TTY_UTF8)
921: format_add(ft, "client_utf8", "%d", 1);
922: else
923: format_add(ft, "client_utf8", "%d", 0);
924:
925: if (c->flags & CLIENT_READONLY)
926: format_add(ft, "client_readonly", "%d", 1);
927: else
928: format_add(ft, "client_readonly", "%d", 0);
1.15 nicm 929:
930: s = c->session;
931: if (s != NULL)
932: format_add(ft, "client_session", "%s", s->name);
933: s = c->last_session;
934: if (s != NULL && session_alive(s))
935: format_add(ft, "client_last_session", "%s", s->name);
1.1 nicm 936: }
937:
1.32 nicm 938: /* Set default format keys for a window. */
939: void
1.57 nicm 940: format_defaults_window(struct format_tree *ft, struct window *w)
1.32 nicm 941: {
1.73 nicm 942: time_t t;
1.32 nicm 943:
1.54 nicm 944: ft->w = w;
945:
1.73 nicm 946: t = w->activity_time.tv_sec;
947: format_add(ft, "window_activity", "%lld", (long long) t);
948: format_add(ft, "window_activity_string", "%s", format_time_string(t));
1.32 nicm 949:
950: format_add(ft, "window_id", "@%u", w->id);
951: format_add(ft, "window_name", "%s", w->name);
952: format_add(ft, "window_width", "%u", w->sx);
953: format_add(ft, "window_height", "%u", w->sy);
1.80 nicm 954: format_add_cb(ft, "window_layout", format_cb_window_layout);
1.32 nicm 955: format_add(ft, "window_panes", "%u", window_count_panes(w));
1.59 nicm 956: format_add(ft, "window_zoomed_flag", "%d",
1.53 nicm 957: !!(w->flags & WINDOW_ZOOMED));
1.32 nicm 958: }
959:
1.1 nicm 960: /* Set default format keys for a winlink. */
961: void
1.57 nicm 962: format_defaults_winlink(struct format_tree *ft, struct session *s,
963: struct winlink *wl)
1.1 nicm 964: {
965: struct window *w = wl->window;
1.32 nicm 966: char *flags;
1.1 nicm 967:
1.54 nicm 968: if (ft->w == NULL)
969: ft->w = wl->window;
970:
1.1 nicm 971: flags = window_printable_flags(s, wl);
972:
1.57 nicm 973: format_defaults_window(ft, w);
1.32 nicm 974:
1.1 nicm 975: format_add(ft, "window_index", "%d", wl->idx);
976: format_add(ft, "window_flags", "%s", flags);
977: format_add(ft, "window_active", "%d", wl == s->curw);
1.29 nicm 978:
1.59 nicm 979: format_add(ft, "window_bell_flag", "%d",
1.29 nicm 980: !!(wl->flags & WINLINK_BELL));
1.59 nicm 981: format_add(ft, "window_activity_flag", "%d",
1.29 nicm 982: !!(wl->flags & WINLINK_ACTIVITY));
1.59 nicm 983: format_add(ft, "window_silence_flag", "%d",
1.29 nicm 984: !!(wl->flags & WINLINK_SILENCE));
1.59 nicm 985: format_add(ft, "window_last_flag", "%d",
1.49 nicm 986: !!(wl == TAILQ_FIRST(&s->lastw)));
1.64 nicm 987: format_add(ft, "window_linked", "%d", session_is_linked(s, wl->window));
1.32 nicm 988:
1.9 nicm 989: free(flags);
1.1 nicm 990: }
991:
992: /* Set default format keys for a window pane. */
993: void
1.57 nicm 994: format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
1.1 nicm 995: {
1.80 nicm 996: struct grid *gd = wp->base.grid;
997: u_int idx;
998: int status;
1.54 nicm 999:
1000: if (ft->w == NULL)
1001: ft->w = wp->window;
1.79 nicm 1002: ft->wp = wp;
1.1 nicm 1003:
1.16 nicm 1004: format_add(ft, "history_size", "%u", gd->hsize);
1005: format_add(ft, "history_limit", "%u", gd->hlimit);
1.80 nicm 1006: format_add_cb(ft, "history_bytes", format_cb_history_bytes);
1.1 nicm 1007:
1.4 nicm 1008: if (window_pane_index(wp, &idx) != 0)
1009: fatalx("index not found");
1.16 nicm 1010: format_add(ft, "pane_index", "%u", idx);
1.4 nicm 1011:
1.1 nicm 1012: format_add(ft, "pane_width", "%u", wp->sx);
1013: format_add(ft, "pane_height", "%u", wp->sy);
1014: format_add(ft, "pane_title", "%s", wp->base.title);
1015: format_add(ft, "pane_id", "%%%u", wp->id);
1016: format_add(ft, "pane_active", "%d", wp == wp->window->active);
1.55 nicm 1017: format_add(ft, "pane_input_off", "%d", !!(wp->flags & PANE_INPUTOFF));
1018:
1019: status = wp->status;
1020: if (wp->fd == -1 && WIFEXITED(status))
1021: format_add(ft, "pane_dead_status", "%d", WEXITSTATUS(status));
1.1 nicm 1022: format_add(ft, "pane_dead", "%d", wp->fd == -1);
1.47 nicm 1023:
1024: if (window_pane_visible(wp)) {
1025: format_add(ft, "pane_left", "%u", wp->xoff);
1026: format_add(ft, "pane_top", "%u", wp->yoff);
1027: format_add(ft, "pane_right", "%u", wp->xoff + wp->sx - 1);
1028: format_add(ft, "pane_bottom", "%u", wp->yoff + wp->sy - 1);
1029: }
1.16 nicm 1030:
1031: format_add(ft, "pane_in_mode", "%d", wp->screen != &wp->base);
1.26 nicm 1032: format_add(ft, "pane_synchronized", "%d",
1033: !!options_get_number(&wp->window->options, "synchronize-panes"));
1.16 nicm 1034:
1.71 nicm 1035: format_add(ft, "pane_tty", "%s", wp->tty);
1.16 nicm 1036: format_add(ft, "pane_pid", "%ld", (long) wp->pid);
1.79 nicm 1037: format_add_cb(ft, "pane_start_command", format_cb_start_command);
1038: format_add_cb(ft, "pane_current_command", format_cb_current_command);
1.16 nicm 1039:
1.59 nicm 1040: format_add(ft, "cursor_x", "%u", wp->base.cx);
1041: format_add(ft, "cursor_y", "%u", wp->base.cy);
1042: format_add(ft, "scroll_region_upper", "%u", wp->base.rupper);
1043: format_add(ft, "scroll_region_lower", "%u", wp->base.rlower);
1.16 nicm 1044:
1045: format_add(ft, "alternate_on", "%d", wp->saved_grid ? 1 : 0);
1.59 nicm 1046: format_add(ft, "alternate_saved_x", "%u", wp->saved_cx);
1047: format_add(ft, "alternate_saved_y", "%u", wp->saved_cy);
1.16 nicm 1048:
1049: format_add(ft, "cursor_flag", "%d",
1050: !!(wp->base.mode & MODE_CURSOR));
1051: format_add(ft, "insert_flag", "%d",
1052: !!(wp->base.mode & MODE_INSERT));
1053: format_add(ft, "keypad_cursor_flag", "%d",
1054: !!(wp->base.mode & MODE_KCURSOR));
1055: format_add(ft, "keypad_flag", "%d",
1056: !!(wp->base.mode & MODE_KKEYPAD));
1057: format_add(ft, "wrap_flag", "%d",
1058: !!(wp->base.mode & MODE_WRAP));
1059:
1.62 nicm 1060: format_add(ft, "mouse_any_flag", "%d",
1061: !!(wp->base.mode & (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON)));
1.16 nicm 1062: format_add(ft, "mouse_standard_flag", "%d",
1063: !!(wp->base.mode & MODE_MOUSE_STANDARD));
1064: format_add(ft, "mouse_button_flag", "%d",
1065: !!(wp->base.mode & MODE_MOUSE_BUTTON));
1066: format_add(ft, "mouse_utf8_flag", "%d",
1067: !!(wp->base.mode & MODE_MOUSE_UTF8));
1.19 nicm 1068:
1.80 nicm 1069: format_add_cb(ft, "pane_tabs", format_cb_pane_tabs);
1.8 nicm 1070: }
1071:
1.19 nicm 1072: /* Set default format keys for paste buffer. */
1.8 nicm 1073: void
1.57 nicm 1074: format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb,
1.42 nicm 1075: int utf8flag)
1.8 nicm 1076: {
1.81 ! nicm 1077: size_t bufsize;
1.42 nicm 1078: char *s;
1.8 nicm 1079:
1.81 ! nicm 1080: paste_buffer_data(pb, &bufsize);
! 1081: format_add(ft, "buffer_size", "%zu", bufsize);
! 1082: format_add(ft, "buffer_name", "%s", paste_buffer_name(pb));
1.8 nicm 1083:
1.42 nicm 1084: s = paste_make_sample(pb, utf8flag);
1085: format_add(ft, "buffer_sample", "%s", s);
1086: free(s);
1.1 nicm 1087: }
![[BACK]](/icons/back.gif){kind=icon}
Return to format.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux