Annotation of src/usr.bin/tmux/format.c, Revision 1.216
1.216 ! nicm 1: /* $OpenBSD: format.c,v 1.215 2019/11/15 11:21:32 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>
1.202 nicm 26: #include <regex.h>
1.1 nicm 27: #include <stdarg.h>
1.9 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <time.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
35: /*
36: * Build a list of key-value pairs and use them to expand #{key} entries in a
37: * string.
38: */
39:
1.79 nicm 40: struct format_entry;
41: typedef void (*format_cb)(struct format_tree *, struct format_entry *);
42:
1.108 nicm 43: static char *format_job_get(struct format_tree *, const char *);
44: static void format_job_timer(int, short, void *);
45:
46: static char *format_find(struct format_tree *, const char *, int);
47: static void format_add_cb(struct format_tree *, const char *, format_cb);
48: static void format_add_tv(struct format_tree *, const char *,
49: struct timeval *);
50: static int format_replace(struct format_tree *, const char *, size_t,
51: char **, size_t *, size_t *);
52:
53: static void format_defaults_session(struct format_tree *,
54: struct session *);
55: static void format_defaults_client(struct format_tree *, struct client *);
1.164 nicm 56: static void format_defaults_winlink(struct format_tree *, struct winlink *);
1.1 nicm 57:
1.68 nicm 58: /* Entry in format job tree. */
59: struct format_job {
1.131 nicm 60: struct client *client;
1.120 nicm 61: u_int tag;
1.68 nicm 62: const char *cmd;
1.113 nicm 63: const char *expanded;
1.68 nicm 64:
65: time_t last;
66: char *out;
1.127 nicm 67: int updated;
1.68 nicm 68:
69: struct job *job;
70: int status;
71:
72: RB_ENTRY(format_job) entry;
73: };
74:
75: /* Format job tree. */
1.108 nicm 76: static struct event format_job_event;
77: static int format_job_cmp(struct format_job *, struct format_job *);
1.109 nicm 78: static RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
1.108 nicm 79: RB_GENERATE_STATIC(format_job_tree, format_job, entry, format_job_cmp);
1.68 nicm 80:
81: /* Format job tree comparison function. */
1.108 nicm 82: static int
1.68 nicm 83: format_job_cmp(struct format_job *fj1, struct format_job *fj2)
84: {
1.120 nicm 85: if (fj1->tag < fj2->tag)
86: return (-1);
87: if (fj1->tag > fj2->tag)
88: return (1);
1.68 nicm 89: return (strcmp(fj1->cmd, fj2->cmd));
90: }
91:
1.87 nicm 92: /* Format modifiers. */
93: #define FORMAT_TIMESTRING 0x1
94: #define FORMAT_BASENAME 0x2
95: #define FORMAT_DIRNAME 0x4
1.169 nicm 96: #define FORMAT_QUOTE 0x8
97: #define FORMAT_LITERAL 0x10
1.170 nicm 98: #define FORMAT_EXPAND 0x20
1.175 nicm 99: #define FORMAT_EXPANDTIME 0x40
100: #define FORMAT_SESSIONS 0x80
101: #define FORMAT_WINDOWS 0x100
102: #define FORMAT_PANES 0x200
1.87 nicm 103:
1.178 nicm 104: /* Limit on recursion. */
105: #define FORMAT_LOOP_LIMIT 10
106:
1.54 nicm 107: /* Entry in format tree. */
108: struct format_entry {
1.79 nicm 109: char *key;
110: char *value;
1.87 nicm 111: time_t t;
1.79 nicm 112: format_cb cb;
113: RB_ENTRY(format_entry) entry;
1.54 nicm 114: };
115:
1.68 nicm 116: /* Format entry tree. */
1.54 nicm 117: struct format_tree {
1.164 nicm 118: struct client *c;
119: struct session *s;
120: struct winlink *wl;
1.79 nicm 121: struct window *w;
122: struct window_pane *wp;
1.54 nicm 123:
1.172 nicm 124: struct cmdq_item *item;
1.131 nicm 125: struct client *client;
1.120 nicm 126: u_int tag;
1.84 nicm 127: int flags;
1.177 nicm 128: time_t time;
1.178 nicm 129: u_int loop;
1.68 nicm 130:
1.197 nicm 131: struct mouse_event m;
132:
1.68 nicm 133: RB_HEAD(format_entry_tree, format_entry) tree;
1.54 nicm 134: };
1.108 nicm 135: static int format_entry_cmp(struct format_entry *, struct format_entry *);
136: RB_GENERATE_STATIC(format_entry_tree, format_entry, entry, format_entry_cmp);
1.54 nicm 137:
1.180 nicm 138: /* Format modifier. */
1.169 nicm 139: struct format_modifier {
140: char modifier[3];
141: u_int size;
142:
143: char **argv;
144: int argc;
145: };
146:
1.68 nicm 147: /* Format entry tree comparison function. */
1.108 nicm 148: static int
1.68 nicm 149: format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
1.1 nicm 150: {
151: return (strcmp(fe1->key, fe2->key));
152: }
153:
1.25 nicm 154: /* Single-character uppercase aliases. */
1.108 nicm 155: static const char *format_upper[] = {
1.1 nicm 156: NULL, /* A */
157: NULL, /* B */
158: NULL, /* C */
159: "pane_id", /* D */
160: NULL, /* E */
161: "window_flags", /* F */
162: NULL, /* G */
163: "host", /* H */
164: "window_index", /* I */
165: NULL, /* J */
166: NULL, /* K */
167: NULL, /* L */
168: NULL, /* M */
169: NULL, /* N */
170: NULL, /* O */
171: "pane_index", /* P */
172: NULL, /* Q */
173: NULL, /* R */
174: "session_name", /* S */
175: "pane_title", /* T */
176: NULL, /* U */
177: NULL, /* V */
178: "window_name", /* W */
179: NULL, /* X */
180: NULL, /* Y */
181: NULL /* Z */
182: };
183:
1.25 nicm 184: /* Single-character lowercase aliases. */
1.108 nicm 185: static const char *format_lower[] = {
1.25 nicm 186: NULL, /* a */
187: NULL, /* b */
188: NULL, /* c */
189: NULL, /* d */
190: NULL, /* e */
191: NULL, /* f */
192: NULL, /* g */
193: "host_short", /* h */
194: NULL, /* i */
195: NULL, /* j */
196: NULL, /* k */
197: NULL, /* l */
198: NULL, /* m */
199: NULL, /* n */
200: NULL, /* o */
201: NULL, /* p */
202: NULL, /* q */
203: NULL, /* r */
204: NULL, /* s */
205: NULL, /* t */
206: NULL, /* u */
207: NULL, /* v */
208: NULL, /* w */
209: NULL, /* x */
210: NULL, /* y */
211: NULL /* z */
212: };
213:
1.179 nicm 214: /* Is logging enabled? */
215: static inline int
216: format_logging(struct format_tree *ft)
217: {
218: return (log_get_level() != 0 || (ft->flags & FORMAT_VERBOSE));
219: }
220:
221: /* Log a message if verbose. */
222: static void printflike(3, 4)
223: format_log1(struct format_tree *ft, const char *from, const char *fmt, ...)
224: {
225: va_list ap;
226: char *s;
227: static const char spaces[] = " ";
228:
229: if (!format_logging(ft))
230: return;
231:
232: va_start(ap, fmt);
233: vasprintf(&s, fmt, ap);
234: va_end(ap);
235:
236: log_debug("%s: %s", from, s);
1.181 nicm 237: if (ft->item != NULL && (ft->flags & FORMAT_VERBOSE))
1.179 nicm 238: cmdq_print(ft->item, "#%.*s%s", ft->loop, spaces, s);
239:
240: free(s);
241: }
242: #define format_log(ft, fmt, ...) format_log1(ft, __func__, fmt, ##__VA_ARGS__)
243:
1.127 nicm 244: /* Format job update callback. */
1.108 nicm 245: static void
1.127 nicm 246: format_job_update(struct job *job)
247: {
1.160 nicm 248: struct format_job *fj = job_get_data(job);
249: struct evbuffer *evb = job_get_event(job)->input;
1.151 nicm 250: char *line = NULL, *next;
1.127 nicm 251: time_t t;
252:
1.151 nicm 253: while ((next = evbuffer_readline(evb)) != NULL) {
254: free(line);
255: line = next;
256: }
257: if (line == NULL)
1.127 nicm 258: return;
259: fj->updated = 1;
260:
261: free(fj->out);
262: fj->out = line;
263:
1.136 nicm 264: log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, fj->out);
1.127 nicm 265:
1.142 nicm 266: t = time(NULL);
1.127 nicm 267: if (fj->status && fj->last != t) {
1.136 nicm 268: if (fj->client != NULL)
269: server_status_client(fj->client);
1.127 nicm 270: fj->last = t;
271: }
272: }
273:
274: /* Format job complete callback. */
275: static void
276: format_job_complete(struct job *job)
1.68 nicm 277: {
1.160 nicm 278: struct format_job *fj = job_get_data(job);
279: struct evbuffer *evb = job_get_event(job)->input;
1.68 nicm 280: char *line, *buf;
281: size_t len;
282:
283: fj->job = NULL;
284:
285: buf = NULL;
1.160 nicm 286: if ((line = evbuffer_readline(evb)) == NULL) {
287: len = EVBUFFER_LENGTH(evb);
1.68 nicm 288: buf = xmalloc(len + 1);
289: if (len != 0)
1.160 nicm 290: memcpy(buf, EVBUFFER_DATA(evb), len);
1.68 nicm 291: buf[len] = '\0';
292: } else
293: buf = line;
1.127 nicm 294:
1.136 nicm 295: log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, buf);
296:
1.127 nicm 297: if (*buf != '\0' || !fj->updated) {
298: free(fj->out);
299: fj->out = buf;
300: } else
301: free(buf);
1.68 nicm 302:
303: if (fj->status) {
1.131 nicm 304: if (fj->client != NULL)
305: server_status_client(fj->client);
1.68 nicm 306: fj->status = 0;
307: }
308: }
309:
310: /* Find a job. */
1.108 nicm 311: static char *
1.68 nicm 312: format_job_get(struct format_tree *ft, const char *cmd)
313: {
1.131 nicm 314: struct format_job_tree *jobs;
1.113 nicm 315: struct format_job fj0, *fj;
316: time_t t;
317: char *expanded;
318: int force;
1.68 nicm 319:
1.131 nicm 320: if (ft->client == NULL)
321: jobs = &format_jobs;
322: else if (ft->client->jobs != NULL)
323: jobs = ft->client->jobs;
324: else {
325: jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
326: RB_INIT(jobs);
327: }
328:
1.120 nicm 329: fj0.tag = ft->tag;
1.68 nicm 330: fj0.cmd = cmd;
1.131 nicm 331: if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
1.68 nicm 332: fj = xcalloc(1, sizeof *fj);
1.131 nicm 333: fj->client = ft->client;
1.120 nicm 334: fj->tag = ft->tag;
1.68 nicm 335: fj->cmd = xstrdup(cmd);
1.113 nicm 336: fj->expanded = NULL;
1.68 nicm 337:
338: xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
339:
1.131 nicm 340: RB_INSERT(format_job_tree, jobs, fj);
1.68 nicm 341: }
342:
1.113 nicm 343: expanded = format_expand(ft, cmd);
344: if (fj->expanded == NULL || strcmp(expanded, fj->expanded) != 0) {
345: free((void *)fj->expanded);
346: fj->expanded = xstrdup(expanded);
347: force = 1;
348: } else
349: force = (ft->flags & FORMAT_FORCE);
350:
1.84 nicm 351: t = time(NULL);
1.183 nicm 352: if (force && fj->job != NULL)
353: job_free(fj->job);
354: if (force || (fj->job == NULL && fj->last != t)) {
1.163 nicm 355: fj->job = job_run(expanded, NULL,
356: server_client_get_cwd(ft->client, NULL), format_job_update,
1.153 nicm 357: format_job_complete, NULL, fj, JOB_NOWAIT);
1.68 nicm 358: if (fj->job == NULL) {
359: free(fj->out);
360: xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
361: }
1.84 nicm 362: fj->last = t;
1.137 nicm 363: fj->updated = 0;
1.68 nicm 364: }
1.84 nicm 365:
366: if (ft->flags & FORMAT_STATUS)
367: fj->status = 1;
1.68 nicm 368:
1.113 nicm 369: free(expanded);
1.86 nicm 370: return (format_expand(ft, fj->out));
1.68 nicm 371: }
372:
373: /* Remove old jobs. */
1.108 nicm 374: static void
1.131 nicm 375: format_job_tidy(struct format_job_tree *jobs, int force)
1.68 nicm 376: {
377: struct format_job *fj, *fj1;
378: time_t now;
379:
380: now = time(NULL);
1.131 nicm 381: RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
382: if (!force && (fj->last > now || now - fj->last < 3600))
1.68 nicm 383: continue;
1.131 nicm 384: RB_REMOVE(format_job_tree, jobs, fj);
1.68 nicm 385:
1.77 nicm 386: log_debug("%s: %s", __func__, fj->cmd);
387:
1.68 nicm 388: if (fj->job != NULL)
389: job_free(fj->job);
390:
1.113 nicm 391: free((void *)fj->expanded);
1.78 nicm 392: free((void *)fj->cmd);
1.68 nicm 393: free(fj->out);
394:
395: free(fj);
396: }
1.131 nicm 397: }
398:
399: /* Remove old jobs for client. */
400: void
401: format_lost_client(struct client *c)
402: {
403: if (c->jobs != NULL)
404: format_job_tidy(c->jobs, 1);
405: free(c->jobs);
406: }
407:
408: /* Remove old jobs periodically. */
409: static void
410: format_job_timer(__unused int fd, __unused short events, __unused void *arg)
411: {
412: struct client *c;
413: struct timeval tv = { .tv_sec = 60 };
414:
415: format_job_tidy(&format_jobs, 0);
416: TAILQ_FOREACH(c, &clients, entry) {
417: if (c->jobs != NULL)
418: format_job_tidy(c->jobs, 0);
419: }
1.77 nicm 420:
421: evtimer_del(&format_job_event);
422: evtimer_add(&format_job_event, &tv);
1.68 nicm 423: }
424:
1.79 nicm 425: /* Callback for host. */
1.108 nicm 426: static void
1.99 nicm 427: format_cb_host(__unused struct format_tree *ft, struct format_entry *fe)
1.79 nicm 428: {
429: char host[HOST_NAME_MAX + 1];
430:
431: if (gethostname(host, sizeof host) != 0)
432: fe->value = xstrdup("");
433: else
434: fe->value = xstrdup(host);
435: }
436:
437: /* Callback for host_short. */
1.108 nicm 438: static void
1.99 nicm 439: format_cb_host_short(__unused struct format_tree *ft, struct format_entry *fe)
1.79 nicm 440: {
441: char host[HOST_NAME_MAX + 1], *cp;
442:
443: if (gethostname(host, sizeof host) != 0)
444: fe->value = xstrdup("");
445: else {
446: if ((cp = strchr(host, '.')) != NULL)
447: *cp = '\0';
448: fe->value = xstrdup(host);
449: }
450: }
451:
452: /* Callback for pid. */
1.108 nicm 453: static void
1.99 nicm 454: format_cb_pid(__unused struct format_tree *ft, struct format_entry *fe)
1.79 nicm 455: {
456: xasprintf(&fe->value, "%ld", (long)getpid());
457: }
458:
1.80 nicm 459: /* Callback for session_alerts. */
1.108 nicm 460: static void
1.80 nicm 461: format_cb_session_alerts(struct format_tree *ft, struct format_entry *fe)
462: {
463: struct session *s = ft->s;
464: struct winlink *wl;
1.133 nicm 465: char alerts[1024], tmp[16];
1.80 nicm 466:
467: if (s == NULL)
468: return;
469:
470: *alerts = '\0';
471: RB_FOREACH(wl, winlinks, &s->windows) {
472: if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
473: continue;
474: xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
475:
476: if (*alerts != '\0')
477: strlcat(alerts, ",", sizeof alerts);
478: strlcat(alerts, tmp, sizeof alerts);
479: if (wl->flags & WINLINK_ACTIVITY)
480: strlcat(alerts, "#", sizeof alerts);
481: if (wl->flags & WINLINK_BELL)
482: strlcat(alerts, "!", sizeof alerts);
483: if (wl->flags & WINLINK_SILENCE)
484: strlcat(alerts, "~", sizeof alerts);
485: }
486: fe->value = xstrdup(alerts);
487: }
488:
1.133 nicm 489: /* Callback for session_stack. */
490: static void
491: format_cb_session_stack(struct format_tree *ft, struct format_entry *fe)
492: {
493: struct session *s = ft->s;
494: struct winlink *wl;
495: char result[1024], tmp[16];
496:
497: if (s == NULL)
498: return;
499:
500: xsnprintf(result, sizeof result, "%u", s->curw->idx);
501: TAILQ_FOREACH(wl, &s->lastw, sentry) {
502: xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
503:
504: if (*result != '\0')
505: strlcat(result, ",", sizeof result);
506: strlcat(result, tmp, sizeof result);
507: }
508: fe->value = xstrdup(result);
509: }
510:
511: /* Callback for window_stack_index. */
512: static void
513: format_cb_window_stack_index(struct format_tree *ft, struct format_entry *fe)
514: {
515: struct session *s = ft->wl->session;
516: struct winlink *wl;
517: u_int idx;
518:
519: idx = 0;
520: TAILQ_FOREACH(wl, &s->lastw, sentry) {
521: idx++;
522: if (wl == ft->wl)
523: break;
524: }
525: if (wl != NULL)
526: xasprintf(&fe->value, "%u", idx);
527: else
528: fe->value = xstrdup("0");
529: }
530:
1.80 nicm 531: /* Callback for window_layout. */
1.108 nicm 532: static void
1.80 nicm 533: format_cb_window_layout(struct format_tree *ft, struct format_entry *fe)
534: {
535: struct window *w = ft->w;
536:
537: if (w == NULL)
538: return;
539:
540: if (w->saved_layout_root != NULL)
541: fe->value = layout_dump(w->saved_layout_root);
542: else
543: fe->value = layout_dump(w->layout_root);
544: }
545:
1.96 nicm 546: /* Callback for window_visible_layout. */
1.108 nicm 547: static void
1.96 nicm 548: format_cb_window_visible_layout(struct format_tree *ft, struct format_entry *fe)
549: {
550: struct window *w = ft->w;
551:
552: if (w == NULL)
553: return;
554:
555: fe->value = layout_dump(w->layout_root);
556: }
557:
1.79 nicm 558: /* Callback for pane_start_command. */
1.108 nicm 559: static void
1.79 nicm 560: format_cb_start_command(struct format_tree *ft, struct format_entry *fe)
561: {
562: struct window_pane *wp = ft->wp;
563:
564: if (wp == NULL)
565: return;
566:
567: fe->value = cmd_stringify_argv(wp->argc, wp->argv);
568: }
569:
570: /* Callback for pane_current_command. */
1.108 nicm 571: static void
1.79 nicm 572: format_cb_current_command(struct format_tree *ft, struct format_entry *fe)
573: {
574: struct window_pane *wp = ft->wp;
575: char *cmd;
576:
1.212 nicm 577: if (wp == NULL || wp->shell == NULL)
1.79 nicm 578: return;
579:
580: cmd = get_proc_name(wp->fd, wp->tty);
581: if (cmd == NULL || *cmd == '\0') {
582: free(cmd);
583: cmd = cmd_stringify_argv(wp->argc, wp->argv);
584: if (cmd == NULL || *cmd == '\0') {
585: free(cmd);
586: cmd = xstrdup(wp->shell);
587: }
588: }
589: fe->value = parse_window_name(cmd);
590: free(cmd);
591: }
592:
1.80 nicm 593: /* Callback for history_bytes. */
1.108 nicm 594: static void
1.80 nicm 595: format_cb_history_bytes(struct format_tree *ft, struct format_entry *fe)
596: {
597: struct window_pane *wp = ft->wp;
598: struct grid *gd;
599: struct grid_line *gl;
600: unsigned long long size;
601: u_int i;
602:
603: if (wp == NULL)
604: return;
605: gd = wp->base.grid;
606:
607: size = 0;
608: for (i = 0; i < gd->hsize; i++) {
1.158 nicm 609: gl = grid_get_line(gd, i);
1.80 nicm 610: size += gl->cellsize * sizeof *gl->celldata;
1.95 nicm 611: size += gl->extdsize * sizeof *gl->extddata;
1.80 nicm 612: }
1.158 nicm 613: size += gd->hsize * sizeof *gl;
1.80 nicm 614:
615: xasprintf(&fe->value, "%llu", size);
616: }
617:
618: /* Callback for pane_tabs. */
1.108 nicm 619: static void
1.80 nicm 620: format_cb_pane_tabs(struct format_tree *ft, struct format_entry *fe)
621: {
622: struct window_pane *wp = ft->wp;
623: struct evbuffer *buffer;
624: u_int i;
625: int size;
626:
627: if (wp == NULL)
628: return;
629:
630: buffer = evbuffer_new();
1.165 nicm 631: if (buffer == NULL)
632: fatalx("out of memory");
1.80 nicm 633: for (i = 0; i < wp->base.grid->sx; i++) {
634: if (!bit_test(wp->base.tabs, i))
635: continue;
636:
637: if (EVBUFFER_LENGTH(buffer) > 0)
638: evbuffer_add(buffer, ",", 1);
639: evbuffer_add_printf(buffer, "%u", i);
640: }
1.148 nicm 641: if ((size = EVBUFFER_LENGTH(buffer)) != 0)
642: xasprintf(&fe->value, "%.*s", size, EVBUFFER_DATA(buffer));
643: evbuffer_free(buffer);
644: }
645:
1.150 nicm 646: /* Callback for session_group_list. */
1.148 nicm 647: static void
1.150 nicm 648: format_cb_session_group_list(struct format_tree *ft, struct format_entry *fe)
1.148 nicm 649: {
650: struct session *s = ft->s;
651: struct session_group *sg;
652: struct session *loop;
653: struct evbuffer *buffer;
654: int size;
655:
656: if (s == NULL)
657: return;
658: sg = session_group_contains(s);
659: if (sg == NULL)
660: return;
661:
662: buffer = evbuffer_new();
1.165 nicm 663: if (buffer == NULL)
664: fatalx("out of memory");
1.148 nicm 665: TAILQ_FOREACH(loop, &sg->sessions, gentry) {
666: if (EVBUFFER_LENGTH(buffer) > 0)
667: evbuffer_add(buffer, ",", 1);
668: evbuffer_add_printf(buffer, "%s", loop->name);
669: }
670: if ((size = EVBUFFER_LENGTH(buffer)) != 0)
671: xasprintf(&fe->value, "%.*s", size, EVBUFFER_DATA(buffer));
1.80 nicm 672: evbuffer_free(buffer);
673: }
674:
1.168 nicm 675: /* Callback for pane_in_mode. */
676: static void
677: format_cb_pane_in_mode(struct format_tree *ft, struct format_entry *fe)
678: {
679: struct window_pane *wp = ft->wp;
680: u_int n = 0;
681: struct window_mode_entry *wme;
682:
683: if (wp == NULL)
684: return;
685:
686: TAILQ_FOREACH(wme, &wp->modes, entry)
687: n++;
688: xasprintf(&fe->value, "%u", n);
689: }
690:
1.186 nicm 691: /* Callback for cursor_character. */
692: static void
693: format_cb_cursor_character(struct format_tree *ft, struct format_entry *fe)
694: {
695: struct window_pane *wp = ft->wp;
696: struct grid_cell gc;
697:
698: if (wp == NULL)
699: return;
700:
701: grid_view_get_cell(wp->base.grid, wp->base.cx, wp->base.cy, &gc);
702: if (~gc.flags & GRID_FLAG_PADDING)
703: xasprintf(&fe->value, "%.*s", (int)gc.data.size, gc.data.data);
704: }
705:
1.213 nicm 706: /* Return word at given coordinates. Caller frees. */
707: char *
708: format_grid_word(struct grid *gd, u_int x, u_int y)
1.197 nicm 709: {
710: struct grid_line *gl;
711: struct grid_cell gc;
712: const char *ws;
713: struct utf8_data *ud = NULL;
1.213 nicm 714: u_int end;
1.197 nicm 715: size_t size = 0;
716: int found = 0;
1.213 nicm 717: char *s = NULL;
1.197 nicm 718:
719: ws = options_get_string(global_s_options, "word-separators");
720:
721: y = gd->hsize + y;
722: for (;;) {
723: grid_get_cell(gd, x, y, &gc);
724: if (gc.flags & GRID_FLAG_PADDING)
725: break;
726: if (utf8_cstrhas(ws, &gc.data)) {
727: found = 1;
728: break;
729: }
730:
731: if (x == 0) {
732: if (y == 0)
733: break;
734: gl = &gd->linedata[y - 1];
735: if (~gl->flags & GRID_LINE_WRAPPED)
736: break;
737: y--;
738: x = grid_line_length(gd, y);
739: if (x == 0)
740: break;
741: }
742: x--;
743: }
744: for (;;) {
745: if (found) {
746: end = grid_line_length(gd, y);
747: if (end == 0 || x == end - 1) {
748: if (y == gd->hsize + gd->sy - 1)
749: break;
750: gl = &gd->linedata[y];
751: if (~gl->flags & GRID_LINE_WRAPPED)
752: break;
753: y++;
754: x = 0;
755: } else
756: x++;
757: }
758: found = 1;
759:
760: grid_get_cell(gd, x, y, &gc);
761: if (gc.flags & GRID_FLAG_PADDING)
762: break;
763: if (utf8_cstrhas(ws, &gc.data))
764: break;
765:
766: ud = xreallocarray(ud, size + 2, sizeof *ud);
767: memcpy(&ud[size++], &gc.data, sizeof *ud);
768: }
769: if (size != 0) {
770: ud[size].size = 0;
1.213 nicm 771: s = utf8_tocstr(ud);
1.197 nicm 772: free(ud);
773: }
1.213 nicm 774: return (s);
1.197 nicm 775: }
776:
1.213 nicm 777: /* Callback for mouse_word. */
1.197 nicm 778: static void
1.213 nicm 779: format_cb_mouse_word(struct format_tree *ft, struct format_entry *fe)
1.197 nicm 780: {
781: struct window_pane *wp;
782: u_int x, y;
1.213 nicm 783: char *s;
1.197 nicm 784:
785: if (!ft->m.valid)
786: return;
787: wp = cmd_mouse_pane(&ft->m, NULL, NULL);
788: if (wp == NULL)
1.211 nicm 789: return;
790: if (!TAILQ_EMPTY (&wp->modes))
1.197 nicm 791: return;
792: if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
793: return;
1.213 nicm 794:
795: s = format_grid_word(wp->base.grid, x, y);
796: if (s != NULL)
797: fe->value = s;
798: }
799:
800: /* Return line at given coordinates. Caller frees. */
801: char *
802: format_grid_line(struct grid *gd, u_int y)
803: {
804: struct grid_cell gc;
805: struct utf8_data *ud = NULL;
806: u_int x;
807: size_t size = 0;
808: char *s = NULL;
1.197 nicm 809:
810: y = gd->hsize + y;
811: for (x = 0; x < grid_line_length(gd, y); x++) {
812: grid_get_cell(gd, x, y, &gc);
813: if (gc.flags & GRID_FLAG_PADDING)
814: break;
815:
816: ud = xreallocarray(ud, size + 2, sizeof *ud);
817: memcpy(&ud[size++], &gc.data, sizeof *ud);
818: }
819: if (size != 0) {
820: ud[size].size = 0;
1.213 nicm 821: s = utf8_tocstr(ud);
1.197 nicm 822: free(ud);
823: }
1.213 nicm 824: return (s);
825: }
826:
827: /* Callback for mouse_line. */
828: static void
829: format_cb_mouse_line(struct format_tree *ft, struct format_entry *fe)
830: {
831: struct window_pane *wp;
832: u_int x, y;
833: char *s;
834:
835: if (!ft->m.valid)
836: return;
837: wp = cmd_mouse_pane(&ft->m, NULL, NULL);
838: if (wp == NULL)
839: return;
840: if (!TAILQ_EMPTY (&wp->modes))
841: return;
842: if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
843: return;
844:
845: s = format_grid_line(wp->base.grid, y);
846: if (s != NULL)
847: fe->value = s;
1.197 nicm 848: }
849:
1.112 nicm 850: /* Merge a format tree. */
851: static void
852: format_merge(struct format_tree *ft, struct format_tree *from)
853: {
854: struct format_entry *fe;
855:
856: RB_FOREACH(fe, format_entry_tree, &from->tree) {
857: if (fe->value != NULL)
858: format_add(ft, fe->key, "%s", fe->value);
859: }
860: }
861:
1.196 nicm 862: /* Add item bits to tree. */
863: static void
864: format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
865: {
1.197 nicm 866: struct mouse_event *m;
867: struct window_pane *wp;
868: u_int x, y;
869:
1.196 nicm 870: if (item->cmd != NULL)
871: format_add(ft, "command", "%s", item->cmd->entry->name);
1.197 nicm 872:
873: if (item->shared == NULL)
874: return;
875: if (item->shared->formats != NULL)
1.196 nicm 876: format_merge(ft, item->shared->formats);
1.197 nicm 877:
878: m = &item->shared->mouse;
879: if (m->valid && ((wp = cmd_mouse_pane(m, NULL, NULL)) != NULL)) {
880: format_add(ft, "mouse_pane", "%%%u", wp->id);
881: if (cmd_mouse_at(wp, m, &x, &y, 0) == 0) {
882: format_add(ft, "mouse_x", "%u", x);
883: format_add(ft, "mouse_y", "%u", y);
884: format_add_cb(ft, "mouse_word", format_cb_mouse_word);
885: format_add_cb(ft, "mouse_line", format_cb_mouse_line);
886: }
887: }
888: memcpy(&ft->m, m, sizeof ft->m);
1.196 nicm 889: }
890:
1.1 nicm 891: /* Create a new tree. */
892: struct format_tree *
1.131 nicm 893: format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
1.68 nicm 894: {
1.184 nicm 895: struct format_tree *ft;
896: const struct window_mode **wm;
897: char tmp[64];
1.77 nicm 898:
899: if (!event_initialized(&format_job_event)) {
900: evtimer_set(&format_job_event, format_job_timer, NULL);
901: format_job_timer(-1, 0, NULL);
902: }
1.1 nicm 903:
1.54 nicm 904: ft = xcalloc(1, sizeof *ft);
905: RB_INIT(&ft->tree);
1.120 nicm 906:
1.131 nicm 907: if (c != NULL) {
908: ft->client = c;
909: ft->client->references++;
910: }
1.172 nicm 911: ft->item = item;
1.131 nicm 912:
1.120 nicm 913: ft->tag = tag;
1.84 nicm 914: ft->flags = flags;
1.177 nicm 915: ft->time = time(NULL);
1.1 nicm 916:
1.79 nicm 917: format_add_cb(ft, "host", format_cb_host);
918: format_add_cb(ft, "host_short", format_cb_host_short);
919: format_add_cb(ft, "pid", format_cb_pid);
1.100 nicm 920: format_add(ft, "socket_path", "%s", socket_path);
921: format_add_tv(ft, "start_time", &start_time);
1.102 nicm 922:
1.184 nicm 923: for (wm = all_window_modes; *wm != NULL; wm++) {
924: if ((*wm)->default_format != NULL) {
925: xsnprintf(tmp, sizeof tmp, "%s_format", (*wm)->name);
926: tmp[strcspn(tmp, "-")] = '_';
927: format_add(ft, tmp, "%s", (*wm)->default_format);
928: }
929: }
930:
1.196 nicm 931: if (item != NULL)
932: format_create_add_item(ft, item);
1.1 nicm 933:
934: return (ft);
935: }
936:
937: /* Free a tree. */
938: void
939: format_free(struct format_tree *ft)
940: {
1.54 nicm 941: struct format_entry *fe, *fe1;
1.1 nicm 942:
1.68 nicm 943: RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
944: RB_REMOVE(format_entry_tree, &ft->tree, fe);
1.9 nicm 945: free(fe->value);
946: free(fe->key);
947: free(fe);
1.1 nicm 948: }
949:
1.131 nicm 950: if (ft->client != NULL)
951: server_client_unref(ft->client);
1.25 nicm 952: free(ft);
1.1 nicm 953: }
1.184 nicm 954:
955: /* Walk each format. */
956: void
957: format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
958: void *), void *arg)
959: {
960: struct format_entry *fe;
961: static char s[64];
962:
963: RB_FOREACH(fe, format_entry_tree, &ft->tree) {
964: if (fe->t != 0) {
965: xsnprintf(s, sizeof s, "%lld", (long long)fe->t);
966: cb(fe->key, fe->value, s);
967: } else {
968: if (fe->value == NULL && fe->cb != NULL) {
969: fe->cb(ft, fe);
970: if (fe->value == NULL)
971: fe->value = xstrdup("");
972: }
973: cb(fe->key, fe->value, arg);
974: }
975: }
976: }
1.1 nicm 977:
978: /* Add a key-value pair. */
979: void
980: format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
981: {
982: struct format_entry *fe;
1.28 nicm 983: struct format_entry *fe_now;
1.1 nicm 984: va_list ap;
985:
986: fe = xmalloc(sizeof *fe);
987: fe->key = xstrdup(key);
988:
1.79 nicm 989: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
990: if (fe_now != NULL) {
991: free(fe->key);
992: free(fe);
993: free(fe_now->value);
994: fe = fe_now;
995: }
996:
997: fe->cb = NULL;
1.87 nicm 998: fe->t = 0;
1.79 nicm 999:
1.1 nicm 1000: va_start(ap, fmt);
1001: xvasprintf(&fe->value, fmt, ap);
1002: va_end(ap);
1.79 nicm 1003: }
1004:
1.87 nicm 1005: /* Add a key and time. */
1.108 nicm 1006: static void
1.87 nicm 1007: format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
1008: {
1009: struct format_entry *fe;
1010: struct format_entry *fe_now;
1011:
1012: fe = xmalloc(sizeof *fe);
1013: fe->key = xstrdup(key);
1014:
1015: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
1016: if (fe_now != NULL) {
1017: free(fe->key);
1018: free(fe);
1019: free(fe_now->value);
1020: fe = fe_now;
1021: }
1022:
1023: fe->cb = NULL;
1024: fe->t = tv->tv_sec;
1025:
1026: fe->value = NULL;
1027: }
1028:
1.79 nicm 1029: /* Add a key and function. */
1.108 nicm 1030: static void
1.79 nicm 1031: format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
1032: {
1033: struct format_entry *fe;
1034: struct format_entry *fe_now;
1035:
1036: fe = xmalloc(sizeof *fe);
1037: fe->key = xstrdup(key);
1.1 nicm 1038:
1.68 nicm 1039: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
1.28 nicm 1040: if (fe_now != NULL) {
1041: free(fe->key);
1042: free(fe);
1.79 nicm 1043: free(fe_now->value);
1044: fe = fe_now;
1.28 nicm 1045: }
1.79 nicm 1046:
1047: fe->cb = cb;
1.87 nicm 1048: fe->t = 0;
1.79 nicm 1049:
1050: fe->value = NULL;
1.1 nicm 1051: }
1052:
1.161 nicm 1053: /* Quote special characters in string. */
1054: static char *
1055: format_quote(const char *s)
1056: {
1057: const char *cp;
1058: char *out, *at;
1059:
1060: at = out = xmalloc(strlen(s) * 2 + 1);
1061: for (cp = s; *cp != '\0'; cp++) {
1062: if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
1063: *at++ = '\\';
1064: *at++ = *cp;
1065: }
1066: *at = '\0';
1067: return (out);
1068: }
1069:
1.1 nicm 1070: /* Find a format entry. */
1.108 nicm 1071: static char *
1.87 nicm 1072: format_find(struct format_tree *ft, const char *key, int modifiers)
1.1 nicm 1073: {
1074: struct format_entry *fe, fe_find;
1.76 nicm 1075: struct environ_entry *envent;
1.87 nicm 1076: static char s[64];
1.117 nicm 1077: struct options_entry *o;
1.116 nicm 1078: int idx;
1.189 nicm 1079: char *found, *saved;
1.87 nicm 1080:
1081: if (~modifiers & FORMAT_TIMESTRING) {
1.116 nicm 1082: o = options_parse_get(global_options, key, &idx, 0);
1.206 nicm 1083: if (o == NULL && ft->wp != NULL)
1084: o = options_parse_get(ft->wp->options, key, &idx, 0);
1.87 nicm 1085: if (o == NULL && ft->w != NULL)
1.116 nicm 1086: o = options_parse_get(ft->w->options, key, &idx, 0);
1.87 nicm 1087: if (o == NULL)
1.116 nicm 1088: o = options_parse_get(global_w_options, key, &idx, 0);
1.87 nicm 1089: if (o == NULL && ft->s != NULL)
1.116 nicm 1090: o = options_parse_get(ft->s->options, key, &idx, 0);
1.87 nicm 1091: if (o == NULL)
1.116 nicm 1092: o = options_parse_get(global_s_options, key, &idx, 0);
1.87 nicm 1093: if (o != NULL) {
1.118 nicm 1094: found = options_tostring(o, idx, 1);
1.116 nicm 1095: goto found;
1.54 nicm 1096: }
1097: }
1.116 nicm 1098: found = NULL;
1.1 nicm 1099:
1100: fe_find.key = (char *) key;
1.68 nicm 1101: fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
1.79 nicm 1102: if (fe != NULL) {
1.87 nicm 1103: if (modifiers & FORMAT_TIMESTRING) {
1104: if (fe->t == 0)
1105: return (NULL);
1106: ctime_r(&fe->t, s);
1107: s[strcspn(s, "\n")] = '\0';
1.189 nicm 1108: found = xstrdup(s);
1.87 nicm 1109: goto found;
1110: }
1111: if (fe->t != 0) {
1.189 nicm 1112: xasprintf(&found, "%lld", (long long)fe->t);
1.87 nicm 1113: goto found;
1114: }
1.149 nicm 1115: if (fe->value == NULL && fe->cb != NULL) {
1.79 nicm 1116: fe->cb(ft, fe);
1.149 nicm 1117: if (fe->value == NULL)
1118: fe->value = xstrdup("");
1119: }
1.189 nicm 1120: found = xstrdup(fe->value);
1.87 nicm 1121: goto found;
1.79 nicm 1122: }
1.76 nicm 1123:
1.87 nicm 1124: if (~modifiers & FORMAT_TIMESTRING) {
1125: envent = NULL;
1126: if (ft->s != NULL)
1.91 nicm 1127: envent = environ_find(ft->s->environ, key);
1.87 nicm 1128: if (envent == NULL)
1.91 nicm 1129: envent = environ_find(global_environ, key);
1.203 nicm 1130: if (envent != NULL && envent->value != NULL) {
1.189 nicm 1131: found = xstrdup(envent->value);
1.87 nicm 1132: goto found;
1133: }
1134: }
1.76 nicm 1135:
1136: return (NULL);
1.87 nicm 1137:
1138: found:
1.88 nicm 1139: if (found == NULL)
1140: return (NULL);
1.87 nicm 1141: if (modifiers & FORMAT_BASENAME) {
1.189 nicm 1142: saved = found;
1143: found = xstrdup(basename(saved));
1.87 nicm 1144: free(saved);
1145: }
1146: if (modifiers & FORMAT_DIRNAME) {
1.189 nicm 1147: saved = found;
1148: found = xstrdup(dirname(saved));
1.87 nicm 1149: free(saved);
1150: }
1.161 nicm 1151: if (modifiers & FORMAT_QUOTE) {
1.189 nicm 1152: saved = found;
1153: found = xstrdup(format_quote(saved));
1.161 nicm 1154: free(saved);
1155: }
1.189 nicm 1156: return (found);
1.1 nicm 1157: }
1158:
1.155 nicm 1159: /* Skip until end. */
1.185 nicm 1160: const char *
1.169 nicm 1161: format_skip(const char *s, const char *end)
1.114 nicm 1162: {
1163: int brackets = 0;
1164:
1165: for (; *s != '\0'; s++) {
1.155 nicm 1166: if (*s == '#' && s[1] == '{')
1.114 nicm 1167: brackets++;
1.155 nicm 1168: if (*s == '#' && strchr(",#{}", s[1]) != NULL) {
1169: s++;
1170: continue;
1171: }
1.114 nicm 1172: if (*s == '}')
1173: brackets--;
1.169 nicm 1174: if (strchr(end, *s) != NULL && brackets == 0)
1.114 nicm 1175: break;
1176: }
1177: if (*s == '\0')
1178: return (NULL);
1179: return (s);
1180: }
1181:
1182: /* Return left and right alternatives separated by commas. */
1183: static int
1.169 nicm 1184: format_choose(struct format_tree *ft, const char *s, char **left, char **right,
1185: int expand)
1.114 nicm 1186: {
1.169 nicm 1187: const char *cp;
1188: char *left0, *right0;
1.114 nicm 1189:
1.169 nicm 1190: cp = format_skip(s, ",");
1.114 nicm 1191: if (cp == NULL)
1192: return (-1);
1.169 nicm 1193: left0 = xstrndup(s, cp - s);
1194: right0 = xstrdup(cp + 1);
1.114 nicm 1195:
1.169 nicm 1196: if (expand) {
1197: *left = format_expand(ft, left0);
1.188 nicm 1198: free(left0);
1.169 nicm 1199: *right = format_expand(ft, right0);
1.188 nicm 1200: free(right0);
1.169 nicm 1201: } else {
1202: *left = left0;
1203: *right = right0;
1204: }
1.114 nicm 1205: return (0);
1206: }
1207:
1208: /* Is this true? */
1.141 nicm 1209: int
1.114 nicm 1210: format_true(const char *s)
1211: {
1212: if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
1213: return (1);
1214: return (0);
1215: }
1216:
1.169 nicm 1217: /* Check if modifier end. */
1218: static int
1219: format_is_end(char c)
1220: {
1221: return (c == ';' || c == ':');
1222: }
1223:
1224: /* Add to modifier list. */
1225: static void
1226: format_add_modifier(struct format_modifier **list, u_int *count,
1227: const char *c, size_t n, char **argv, int argc)
1228: {
1229: struct format_modifier *fm;
1230:
1231: *list = xreallocarray(*list, (*count) + 1, sizeof **list);
1232: fm = &(*list)[(*count)++];
1233:
1234: memcpy(fm->modifier, c, n);
1235: fm->modifier[n] = '\0';
1236: fm->size = n;
1237:
1238: fm->argv = argv;
1239: fm->argc = argc;
1240: }
1241:
1242: /* Free modifier list. */
1243: static void
1244: format_free_modifiers(struct format_modifier *list, u_int count)
1245: {
1246: u_int i;
1247:
1248: for (i = 0; i < count; i++)
1249: cmd_free_argv(list[i].argc, list[i].argv);
1250: free(list);
1251: }
1252:
1253: /* Build modifier list. */
1254: static struct format_modifier *
1255: format_build_modifiers(struct format_tree *ft, const char **s, u_int *count)
1256: {
1257: const char *cp = *s, *end;
1258: struct format_modifier *list = NULL;
1259: char c, last[] = "X;:", **argv, *value;
1260: int argc;
1261:
1262: /*
1263: * Modifiers are a ; separated list of the forms:
1.195 nicm 1264: * l,m,C,b,d,t,q,E,T,S,W,P,<,>
1.169 nicm 1265: * =a
1266: * =/a
1267: * =/a/
1268: * s/a/b/
1269: * s/a/b
1.195 nicm 1270: * ||,&&,!=,==,<=,>=
1.169 nicm 1271: */
1272:
1273: *count = 0;
1274:
1275: while (*cp != '\0' && *cp != ':') {
1276: /* Skip and separator character. */
1277: if (*cp == ';')
1278: cp++;
1279:
1280: /* Check single character modifiers with no arguments. */
1.202 nicm 1281: if (strchr("lbdtqETSWP<>", cp[0]) != NULL &&
1.172 nicm 1282: format_is_end(cp[1])) {
1.169 nicm 1283: format_add_modifier(&list, count, cp, 1, NULL, 0);
1284: cp++;
1285: continue;
1286: }
1287:
1288: /* Then try double character with no arguments. */
1289: if ((memcmp("||", cp, 2) == 0 ||
1290: memcmp("&&", cp, 2) == 0 ||
1291: memcmp("!=", cp, 2) == 0 ||
1.195 nicm 1292: memcmp("==", cp, 2) == 0 ||
1293: memcmp("<=", cp, 2) == 0 ||
1294: memcmp(">=", cp, 2) == 0) &&
1.169 nicm 1295: format_is_end(cp[2])) {
1296: format_add_modifier(&list, count, cp, 2, NULL, 0);
1297: cp += 2;
1298: continue;
1299: }
1300:
1301: /* Now try single character with arguments. */
1.202 nicm 1302: if (strchr("mCs=", cp[0]) == NULL)
1.169 nicm 1303: break;
1304: c = cp[0];
1305:
1306: /* No arguments provided. */
1307: if (format_is_end(cp[1])) {
1308: format_add_modifier(&list, count, cp, 1, NULL, 0);
1309: cp++;
1310: continue;
1311: }
1312: argv = NULL;
1313: argc = 0;
1314:
1315: /* Single argument with no wrapper character. */
1316: if (!ispunct(cp[1]) || cp[1] == '-') {
1317: end = format_skip(cp + 1, ":;");
1318: if (end == NULL)
1319: break;
1320:
1321: argv = xcalloc(1, sizeof *argv);
1322: value = xstrndup(cp + 1, end - (cp + 1));
1323: argv[0] = format_expand(ft, value);
1324: free(value);
1325: argc = 1;
1326:
1327: format_add_modifier(&list, count, &c, 1, argv, argc);
1328: cp = end;
1329: continue;
1330: }
1331:
1332: /* Multiple arguments with a wrapper character. */
1333: last[0] = cp[1];
1334: cp++;
1335: do {
1336: if (cp[0] == last[0] && format_is_end(cp[1])) {
1337: cp++;
1338: break;
1339: }
1340: end = format_skip(cp + 1, last);
1341: if (end == NULL)
1342: break;
1343: cp++;
1344:
1345: argv = xreallocarray (argv, argc + 1, sizeof *argv);
1346: value = xstrndup(cp, end - cp);
1347: argv[argc++] = format_expand(ft, value);
1348: free(value);
1349:
1350: cp = end;
1351: } while (!format_is_end(cp[0]));
1352: format_add_modifier(&list, count, &c, 1, argv, argc);
1353: }
1354: if (*cp != ':') {
1355: format_free_modifiers(list, *count);
1356: *count = 0;
1357: return (NULL);
1358: }
1359: *s = cp + 1;
1360: return list;
1361: }
1362:
1.202 nicm 1363: /* Match against an fnmatch(3) pattern or regular expression. */
1364: static char *
1365: format_match(struct format_modifier *fm, const char *pattern, const char *text)
1366: {
1367: const char *s = "";
1368: regex_t r;
1369: int flags = 0;
1370:
1371: if (fm->argc >= 1)
1372: s = fm->argv[0];
1373: if (strchr(s, 'r') == NULL) {
1374: if (strchr(s, 'i') != NULL)
1375: flags |= FNM_CASEFOLD;
1376: if (fnmatch(pattern, text, flags) != 0)
1377: return (xstrdup("0"));
1378: } else {
1379: flags = REG_EXTENDED|REG_NOSUB;
1380: if (strchr(s, 'i') != NULL)
1381: flags |= REG_ICASE;
1382: if (regcomp(&r, pattern, flags) != 0)
1383: return (xstrdup("0"));
1384: if (regexec(&r, text, 0, NULL, 0) != 0) {
1385: regfree(&r);
1386: return (xstrdup("0"));
1387: }
1388: regfree(&r);
1389: }
1390: return (xstrdup("1"));
1391: }
1392:
1.169 nicm 1393: /* Perform substitution in string. */
1394: static char *
1.202 nicm 1395: format_sub(struct format_modifier *fm, const char *text, const char *pattern,
1396: const char *with)
1.169 nicm 1397: {
1.202 nicm 1398: char *value;
1399: int flags = REG_EXTENDED;
1.169 nicm 1400:
1.202 nicm 1401: if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
1402: flags |= REG_ICASE;
1403: value = regsub(pattern, with, text, flags);
1404: if (value == NULL)
1405: return (xstrdup(text));
1406: return (value);
1407: }
1.169 nicm 1408:
1.202 nicm 1409: /* Search inside pane. */
1410: static char *
1411: format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
1412: {
1413: int ignore = 0, regex = 0;
1414: char *value;
1.169 nicm 1415:
1.202 nicm 1416: if (fm->argc >= 1) {
1417: if (strchr(fm->argv[0], 'i') != NULL)
1418: ignore = 1;
1419: if (strchr(fm->argv[0], 'r') != NULL)
1420: regex = 1;
1.169 nicm 1421: }
1.202 nicm 1422: xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
1423: return (value);
1.169 nicm 1424: }
1425:
1.172 nicm 1426: /* Loop over sessions. */
1427: static char *
1428: format_loop_sessions(struct format_tree *ft, const char *fmt)
1429: {
1.180 nicm 1430: struct client *c = ft->client;
1.172 nicm 1431: struct cmdq_item *item = ft->item;
1.180 nicm 1432: struct format_tree *nft;
1.172 nicm 1433: char *expanded, *value;
1434: size_t valuelen;
1435: struct session *s;
1436:
1437: value = xcalloc(1, 1);
1438: valuelen = 1;
1439:
1440: RB_FOREACH(s, sessions, &sessions) {
1.179 nicm 1441: format_log(ft, "session loop: $%u", s->id);
1.180 nicm 1442: nft = format_create(c, item, FORMAT_NONE, ft->flags);
1.182 nicm 1443: nft->loop = ft->loop;
1.180 nicm 1444: format_defaults(nft, ft->c, s, NULL, NULL);
1445: expanded = format_expand(nft, fmt);
1446: format_free(nft);
1.172 nicm 1447:
1448: valuelen += strlen(expanded);
1449: value = xrealloc(value, valuelen);
1450:
1451: strlcat(value, expanded, valuelen);
1452: free(expanded);
1453: }
1454:
1455: return (value);
1456: }
1457:
1458: /* Loop over windows. */
1459: static char *
1460: format_loop_windows(struct format_tree *ft, const char *fmt)
1461: {
1.180 nicm 1462: struct client *c = ft->client;
1.172 nicm 1463: struct cmdq_item *item = ft->item;
1.180 nicm 1464: struct format_tree *nft;
1.172 nicm 1465: char *all, *active, *use, *expanded, *value;
1466: size_t valuelen;
1467: struct winlink *wl;
1.180 nicm 1468: struct window *w;
1.172 nicm 1469:
1.179 nicm 1470: if (ft->s == NULL) {
1471: format_log(ft, "window loop but no session");
1.172 nicm 1472: return (NULL);
1.179 nicm 1473: }
1.172 nicm 1474:
1475: if (format_choose(ft, fmt, &all, &active, 0) != 0) {
1476: all = xstrdup(fmt);
1477: active = NULL;
1478: }
1479:
1480: value = xcalloc(1, 1);
1481: valuelen = 1;
1482:
1483: RB_FOREACH(wl, winlinks, &ft->s->windows) {
1.180 nicm 1484: w = wl->window;
1485: format_log(ft, "window loop: %u @%u", wl->idx, w->id);
1.172 nicm 1486: if (active != NULL && wl == ft->s->curw)
1487: use = active;
1488: else
1489: use = all;
1.180 nicm 1490: nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
1.182 nicm 1491: nft->loop = ft->loop;
1.180 nicm 1492: format_defaults(nft, ft->c, ft->s, wl, NULL);
1493: expanded = format_expand(nft, use);
1494: format_free(nft);
1.172 nicm 1495:
1496: valuelen += strlen(expanded);
1497: value = xrealloc(value, valuelen);
1498:
1499: strlcat(value, expanded, valuelen);
1500: free(expanded);
1501: }
1502:
1503: free(active);
1504: free(all);
1505:
1506: return (value);
1507: }
1508:
1509: /* Loop over panes. */
1510: static char *
1511: format_loop_panes(struct format_tree *ft, const char *fmt)
1512: {
1.180 nicm 1513: struct client *c = ft->client;
1.172 nicm 1514: struct cmdq_item *item = ft->item;
1.180 nicm 1515: struct format_tree *nft;
1.172 nicm 1516: char *all, *active, *use, *expanded, *value;
1517: size_t valuelen;
1518: struct window_pane *wp;
1519:
1.179 nicm 1520: if (ft->w == NULL) {
1521: format_log(ft, "pane loop but no window");
1.172 nicm 1522: return (NULL);
1.179 nicm 1523: }
1.172 nicm 1524:
1525: if (format_choose(ft, fmt, &all, &active, 0) != 0) {
1526: all = xstrdup(fmt);
1527: active = NULL;
1528: }
1529:
1530: value = xcalloc(1, 1);
1531: valuelen = 1;
1532:
1533: TAILQ_FOREACH(wp, &ft->w->panes, entry) {
1.179 nicm 1534: format_log(ft, "pane loop: %%%u", wp->id);
1.172 nicm 1535: if (active != NULL && wp == ft->w->active)
1536: use = active;
1537: else
1538: use = all;
1.180 nicm 1539: nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
1.182 nicm 1540: nft->loop = ft->loop;
1.180 nicm 1541: format_defaults(nft, ft->c, ft->s, ft->wl, wp);
1542: expanded = format_expand(nft, use);
1543: format_free(nft);
1.172 nicm 1544:
1545: valuelen += strlen(expanded);
1546: value = xrealloc(value, valuelen);
1547:
1548: strlcat(value, expanded, valuelen);
1549: free(expanded);
1550: }
1551:
1552: free(active);
1553: free(all);
1554:
1555: return (value);
1556: }
1557:
1.140 nicm 1558: /* Replace a key. */
1.108 nicm 1559: static int
1.30 nicm 1560: format_replace(struct format_tree *ft, const char *key, size_t keylen,
1561: char **buf, size_t *len, size_t *off)
1.1 nicm 1562: {
1.216 ! nicm 1563: struct window_pane *wp = ft->wp;
! 1564: const char *errptr, *copy, *cp, *marker = NULL;
! 1565: char *copy0, *condition, *found, *new;
! 1566: char *value, *left, *right;
! 1567: size_t valuelen;
! 1568: int modifiers = 0, limit = 0, j;
! 1569: struct format_modifier *list, *fm, *cmp = NULL, *search = NULL;
! 1570: struct format_modifier **sub = NULL;
! 1571: u_int i, count, nsub = 0;
1.1 nicm 1572:
1573: /* Make a copy of the key. */
1.169 nicm 1574: copy = copy0 = xstrndup(key, keylen);
1575:
1576: /* Process modifier list. */
1577: list = format_build_modifiers(ft, ©, &count);
1578: for (i = 0; i < count; i++) {
1579: fm = &list[i];
1.179 nicm 1580: if (format_logging(ft)) {
1581: format_log(ft, "modifier %u is %s", i, fm->modifier);
1582: for (j = 0; j < fm->argc; j++) {
1583: format_log(ft, "modifier %u argument %d: %s", i,
1584: j, fm->argv[j]);
1585: }
1586: }
1.169 nicm 1587: if (fm->size == 1) {
1588: switch (fm->modifier[0]) {
1589: case 'm':
1.195 nicm 1590: case '<':
1591: case '>':
1.169 nicm 1592: cmp = fm;
1593: break;
1594: case 'C':
1595: search = fm;
1596: break;
1597: case 's':
1.202 nicm 1598: if (fm->argc < 2)
1.169 nicm 1599: break;
1.216 ! nicm 1600: sub = xreallocarray (sub, nsub + 1,
! 1601: sizeof *sub);
! 1602: sub[nsub++] = fm;
1.169 nicm 1603: break;
1604: case '=':
1.202 nicm 1605: if (fm->argc < 1)
1.169 nicm 1606: break;
1607: limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
1608: &errptr);
1609: if (errptr != NULL)
1610: limit = 0;
1.202 nicm 1611: if (fm->argc >= 2 && fm->argv[1] != NULL)
1.196 nicm 1612: marker = fm->argv[1];
1.169 nicm 1613: break;
1614: case 'l':
1615: modifiers |= FORMAT_LITERAL;
1616: break;
1617: case 'b':
1618: modifiers |= FORMAT_BASENAME;
1619: break;
1620: case 'd':
1621: modifiers |= FORMAT_DIRNAME;
1622: break;
1623: case 't':
1624: modifiers |= FORMAT_TIMESTRING;
1625: break;
1626: case 'q':
1627: modifiers |= FORMAT_QUOTE;
1628: break;
1.170 nicm 1629: case 'E':
1630: modifiers |= FORMAT_EXPAND;
1631: break;
1.175 nicm 1632: case 'T':
1633: modifiers |= FORMAT_EXPANDTIME;
1634: break;
1.172 nicm 1635: case 'S':
1636: modifiers |= FORMAT_SESSIONS;
1637: break;
1638: case 'W':
1639: modifiers |= FORMAT_WINDOWS;
1640: break;
1641: case 'P':
1642: modifiers |= FORMAT_PANES;
1643: break;
1.169 nicm 1644: }
1645: } else if (fm->size == 2) {
1646: if (strcmp(fm->modifier, "||") == 0 ||
1647: strcmp(fm->modifier, "&&") == 0 ||
1648: strcmp(fm->modifier, "==") == 0 ||
1.195 nicm 1649: strcmp(fm->modifier, "!=") == 0 ||
1650: strcmp(fm->modifier, ">=") == 0 ||
1651: strcmp(fm->modifier, "<=") == 0)
1.169 nicm 1652: cmp = fm;
1.98 nicm 1653: }
1.30 nicm 1654: }
1655:
1.155 nicm 1656: /* Is this a literal string? */
1.169 nicm 1657: if (modifiers & FORMAT_LITERAL) {
1.155 nicm 1658: value = xstrdup(copy);
1659: goto done;
1660: }
1661:
1.172 nicm 1662: /* Is this a loop, comparison or condition? */
1663: if (modifiers & FORMAT_SESSIONS) {
1664: value = format_loop_sessions(ft, copy);
1665: if (value == NULL)
1666: goto fail;
1667: } else if (modifiers & FORMAT_WINDOWS) {
1668: value = format_loop_windows(ft, copy);
1669: if (value == NULL)
1670: goto fail;
1671: } else if (modifiers & FORMAT_PANES) {
1672: value = format_loop_panes(ft, copy);
1673: if (value == NULL)
1674: goto fail;
1675: } else if (search != NULL) {
1.140 nicm 1676: /* Search in pane. */
1.207 nicm 1677: new = format_expand(ft, copy);
1.179 nicm 1678: if (wp == NULL) {
1.207 nicm 1679: format_log(ft, "search '%s' but no pane", new);
1.140 nicm 1680: value = xstrdup("0");
1.179 nicm 1681: } else {
1.207 nicm 1682: format_log(ft, "search '%s' pane %%%u", new, wp->id);
1683: value = format_search(fm, wp, new);
1.179 nicm 1684: }
1.207 nicm 1685: free(new);
1.169 nicm 1686: } else if (cmp != NULL) {
1687: /* Comparison of left and right. */
1.179 nicm 1688: if (format_choose(ft, copy, &left, &right, 1) != 0) {
1689: format_log(ft, "compare %s syntax error: %s",
1690: cmp->modifier, copy);
1.114 nicm 1691: goto fail;
1.179 nicm 1692: }
1693: format_log(ft, "compare %s left is: %s", cmp->modifier, left);
1694: format_log(ft, "compare %s right is: %s", cmp->modifier, right);
1.169 nicm 1695:
1696: if (strcmp(cmp->modifier, "||") == 0) {
1697: if (format_true(left) || format_true(right))
1698: value = xstrdup("1");
1699: else
1700: value = xstrdup("0");
1701: } else if (strcmp(cmp->modifier, "&&") == 0) {
1702: if (format_true(left) && format_true(right))
1703: value = xstrdup("1");
1704: else
1705: value = xstrdup("0");
1706: } else if (strcmp(cmp->modifier, "==") == 0) {
1707: if (strcmp(left, right) == 0)
1708: value = xstrdup("1");
1709: else
1710: value = xstrdup("0");
1711: } else if (strcmp(cmp->modifier, "!=") == 0) {
1712: if (strcmp(left, right) != 0)
1713: value = xstrdup("1");
1714: else
1715: value = xstrdup("0");
1.195 nicm 1716: } else if (strcmp(cmp->modifier, "<") == 0) {
1717: if (strcmp(left, right) < 0)
1718: value = xstrdup("1");
1719: else
1720: value = xstrdup("0");
1721: } else if (strcmp(cmp->modifier, ">") == 0) {
1722: if (strcmp(left, right) > 0)
1723: value = xstrdup("1");
1724: else
1725: value = xstrdup("0");
1726: } else if (strcmp(cmp->modifier, "<=") == 0) {
1727: if (strcmp(left, right) <= 0)
1728: value = xstrdup("1");
1729: else
1730: value = xstrdup("0");
1731: } else if (strcmp(cmp->modifier, ">=") == 0) {
1732: if (strcmp(left, right) >= 0)
1733: value = xstrdup("1");
1734: else
1735: value = xstrdup("0");
1.202 nicm 1736: } else if (strcmp(cmp->modifier, "m") == 0)
1.204 nicm 1737: value = format_match(cmp, left, right);
1.169 nicm 1738:
1.114 nicm 1739: free(right);
1740: free(left);
1741: } else if (*copy == '?') {
1742: /* Conditional: check first and choose second or third. */
1.169 nicm 1743: cp = format_skip(copy + 1, ",");
1.179 nicm 1744: if (cp == NULL) {
1745: format_log(ft, "condition syntax error: %s", copy + 1);
1.1 nicm 1746: goto fail;
1.179 nicm 1747: }
1.169 nicm 1748: condition = xstrndup(copy + 1, cp - (copy + 1));
1.179 nicm 1749: format_log(ft, "condition is: %s", condition);
1.1 nicm 1750:
1.169 nicm 1751: found = format_find(ft, condition, modifiers);
1.156 nicm 1752: if (found == NULL) {
1753: /*
1.169 nicm 1754: * If the condition not found, try to expand it. If
1.156 nicm 1755: * the expansion doesn't have any effect, then assume
1756: * false.
1757: */
1.169 nicm 1758: found = format_expand(ft, condition);
1759: if (strcmp(found, condition) == 0) {
1.156 nicm 1760: free(found);
1761: found = xstrdup("");
1.179 nicm 1762: format_log(ft, "condition '%s' found: %s",
1763: condition, found);
1764: } else {
1765: format_log(ft,
1766: "condition '%s' not found; assuming false",
1767: condition);
1.156 nicm 1768: }
1.179 nicm 1769: } else
1770: format_log(ft, "condition '%s' found", condition);
1.169 nicm 1771:
1772: if (format_choose(ft, cp + 1, &left, &right, 0) != 0) {
1.179 nicm 1773: format_log(ft, "condition '%s' syntax error: %s",
1774: condition, cp + 1);
1.162 nicm 1775: free(found);
1.89 nicm 1776: goto fail;
1.162 nicm 1777: }
1.179 nicm 1778: if (format_true(found)) {
1779: format_log(ft, "condition '%s' is true", condition);
1.114 nicm 1780: value = format_expand(ft, left);
1.179 nicm 1781: } else {
1782: format_log(ft, "condition '%s' is false", condition);
1.114 nicm 1783: value = format_expand(ft, right);
1.179 nicm 1784: }
1.169 nicm 1785: free(right);
1786: free(left);
1787:
1.179 nicm 1788: free(condition);
1.98 nicm 1789: free(found);
1.1 nicm 1790: } else {
1.114 nicm 1791: /* Neither: look up directly. */
1.98 nicm 1792: value = format_find(ft, copy, modifiers);
1.179 nicm 1793: if (value == NULL) {
1794: format_log(ft, "format '%s' not found", copy);
1.98 nicm 1795: value = xstrdup("");
1.179 nicm 1796: } else
1797: format_log(ft, "format '%s' found: %s", copy, value);
1.170 nicm 1798: }
1799:
1.171 nicm 1800: done:
1.170 nicm 1801: /* Expand again if required. */
1802: if (modifiers & FORMAT_EXPAND) {
1803: new = format_expand(ft, value);
1.175 nicm 1804: free(value);
1805: value = new;
1806: }
1807: else if (modifiers & FORMAT_EXPANDTIME) {
1.177 nicm 1808: new = format_expand_time(ft, value);
1.170 nicm 1809: free(value);
1810: value = new;
1.98 nicm 1811: }
1812:
1813: /* Perform substitution if any. */
1.216 ! nicm 1814: for (i = 0; i < nsub; i++) {
! 1815: left = format_expand(ft, sub[i]->argv[0]);
! 1816: right = format_expand(ft, sub[i]->argv[1]);
! 1817: new = format_sub(sub[i], value, left, right);
1.207 nicm 1818: format_log(ft, "substitute '%s' to '%s': %s", left, right, new);
1.98 nicm 1819: free(value);
1.169 nicm 1820: value = new;
1.207 nicm 1821: free(right);
1822: free(left);
1.1 nicm 1823: }
1824:
1.30 nicm 1825: /* Truncate the value if needed. */
1.105 nicm 1826: if (limit > 0) {
1.185 nicm 1827: new = format_trim_left(value, limit);
1.196 nicm 1828: if (marker != NULL && strcmp(new, value) != 0) {
1829: free(value);
1830: xasprintf(&value, "%s%s", new, marker);
1831: } else {
1832: free(value);
1833: value = new;
1834: }
1835: format_log(ft, "applied length limit %d: %s", limit, value);
1.105 nicm 1836: } else if (limit < 0) {
1.185 nicm 1837: new = format_trim_right(value, -limit);
1.196 nicm 1838: if (marker != NULL && strcmp(new, value) != 0) {
1839: free(value);
1840: xasprintf(&value, "%s%s", marker, new);
1841: } else {
1842: free(value);
1843: value = new;
1844: }
1845: format_log(ft, "applied length limit %d: %s", limit, value);
1.44 nicm 1846: }
1.30 nicm 1847:
1.1 nicm 1848: /* Expand the buffer and copy in the value. */
1.98 nicm 1849: valuelen = strlen(value);
1.1 nicm 1850: while (*len - *off < valuelen + 1) {
1.50 nicm 1851: *buf = xreallocarray(*buf, 2, *len);
1.1 nicm 1852: *len *= 2;
1853: }
1854: memcpy(*buf + *off, value, valuelen);
1855: *off += valuelen;
1856:
1.179 nicm 1857: format_log(ft, "replaced '%s' with '%s'", copy0, value);
1.98 nicm 1858: free(value);
1.179 nicm 1859:
1.216 ! nicm 1860: free(sub);
1.169 nicm 1861: format_free_modifiers(list, count);
1.30 nicm 1862: free(copy0);
1.1 nicm 1863: return (0);
1864:
1865: fail:
1.179 nicm 1866: format_log(ft, "failed %s", copy0);
1.216 ! nicm 1867:
! 1868: free(sub);
1.169 nicm 1869: format_free_modifiers(list, count);
1.30 nicm 1870: free(copy0);
1.1 nicm 1871: return (-1);
1872: }
1873:
1874: /* Expand keys in a template. */
1.179 nicm 1875: static char *
1876: format_expand1(struct format_tree *ft, const char *fmt, int time)
1.1 nicm 1877: {
1.152 nicm 1878: char *buf, *out, *name;
1.179 nicm 1879: const char *ptr, *s;
1.86 nicm 1880: size_t off, len, n, outlen;
1.31 nicm 1881: int ch, brackets;
1.179 nicm 1882: struct tm *tm;
1883: char expanded[8192];
1.58 nicm 1884:
1.179 nicm 1885: if (fmt == NULL || *fmt == '\0')
1.58 nicm 1886: return (xstrdup(""));
1.1 nicm 1887:
1.178 nicm 1888: if (ft->loop == FORMAT_LOOP_LIMIT)
1889: return (xstrdup(""));
1890: ft->loop++;
1891:
1.179 nicm 1892: format_log(ft, "expanding format: %s", fmt);
1893:
1894: if (time) {
1895: tm = localtime(&ft->time);
1896: if (strftime(expanded, sizeof expanded, fmt, tm) == 0) {
1897: format_log(ft, "format is too long");
1898: return (xstrdup(""));
1899: }
1900: if (format_logging(ft) && strcmp(expanded, fmt) != 0)
1901: format_log(ft, "after time expanded: %s", expanded);
1902: fmt = expanded;
1903: }
1904:
1.1 nicm 1905: len = 64;
1906: buf = xmalloc(len);
1907: off = 0;
1908:
1909: while (*fmt != '\0') {
1910: if (*fmt != '#') {
1911: while (len - off < 2) {
1.50 nicm 1912: buf = xreallocarray(buf, 2, len);
1.1 nicm 1913: len *= 2;
1914: }
1915: buf[off++] = *fmt++;
1916: continue;
1917: }
1918: fmt++;
1919:
1.179 nicm 1920: ch = (u_char)*fmt++;
1.1 nicm 1921: switch (ch) {
1.68 nicm 1922: case '(':
1923: brackets = 1;
1924: for (ptr = fmt; *ptr != '\0'; ptr++) {
1925: if (*ptr == '(')
1926: brackets++;
1927: if (*ptr == ')' && --brackets == 0)
1928: break;
1929: }
1930: if (*ptr != ')' || brackets != 0)
1931: break;
1932: n = ptr - fmt;
1933:
1.179 nicm 1934: name = xstrndup(fmt, n);
1935: format_log(ft, "found #(): %s", name);
1936:
1937: if (ft->flags & FORMAT_NOJOBS) {
1.114 nicm 1938: out = xstrdup("");
1.179 nicm 1939: format_log(ft, "#() is disabled");
1940: } else {
1.152 nicm 1941: out = format_job_get(ft, name);
1.179 nicm 1942: format_log(ft, "#() result: %s", out);
1.152 nicm 1943: }
1.179 nicm 1944: free(name);
1945:
1.86 nicm 1946: outlen = strlen(out);
1947: while (len - off < outlen + 1) {
1.68 nicm 1948: buf = xreallocarray(buf, 2, len);
1949: len *= 2;
1950: }
1.86 nicm 1951: memcpy(buf + off, out, outlen);
1952: off += outlen;
1953:
1954: free(out);
1.68 nicm 1955:
1956: fmt += n + 1;
1957: continue;
1.1 nicm 1958: case '{':
1.169 nicm 1959: ptr = format_skip((char *)fmt - 2, "}");
1.155 nicm 1960: if (ptr == NULL)
1.1 nicm 1961: break;
1962: n = ptr - fmt;
1963:
1.179 nicm 1964: format_log(ft, "found #{}: %.*s", (int)n, fmt);
1.1 nicm 1965: if (format_replace(ft, fmt, n, &buf, &len, &off) != 0)
1966: break;
1967: fmt += n + 1;
1.40 nicm 1968: continue;
1.155 nicm 1969: case '}':
1.40 nicm 1970: case '#':
1.155 nicm 1971: case ',':
1.179 nicm 1972: format_log(ft, "found #%c", ch);
1.40 nicm 1973: while (len - off < 2) {
1.50 nicm 1974: buf = xreallocarray(buf, 2, len);
1.40 nicm 1975: len *= 2;
1976: }
1.155 nicm 1977: buf[off++] = ch;
1.1 nicm 1978: continue;
1979: default:
1.25 nicm 1980: s = NULL;
1981: if (ch >= 'A' && ch <= 'Z')
1982: s = format_upper[ch - 'A'];
1983: else if (ch >= 'a' && ch <= 'z')
1984: s = format_lower[ch - 'a'];
1985: if (s == NULL) {
1986: while (len - off < 3) {
1.50 nicm 1987: buf = xreallocarray(buf, 2, len);
1.25 nicm 1988: len *= 2;
1.1 nicm 1989: }
1.25 nicm 1990: buf[off++] = '#';
1991: buf[off++] = ch;
1992: continue;
1.1 nicm 1993: }
1.25 nicm 1994: n = strlen(s);
1.179 nicm 1995: format_log(ft, "found #%c: %s", ch, s);
1.25 nicm 1996: if (format_replace(ft, s, n, &buf, &len, &off) != 0)
1997: break;
1.1 nicm 1998: continue;
1999: }
2000:
2001: break;
2002: }
2003: buf[off] = '\0';
2004:
1.179 nicm 2005: format_log(ft, "result is: %s", buf);
2006: ft->loop--;
1.178 nicm 2007:
1.1 nicm 2008: return (buf);
1.179 nicm 2009: }
2010:
2011: /* Expand keys in a template, passing through strftime first. */
2012: char *
2013: format_expand_time(struct format_tree *ft, const char *fmt)
2014: {
2015: return (format_expand1(ft, fmt, 1));
2016: }
2017:
2018: /* Expand keys in a template. */
2019: char *
2020: format_expand(struct format_tree *ft, const char *fmt)
2021: {
2022: return (format_expand1(ft, fmt, 0));
1.123 nicm 2023: }
2024:
2025: /* Expand a single string. */
2026: char *
2027: format_single(struct cmdq_item *item, const char *fmt, struct client *c,
2028: struct session *s, struct winlink *wl, struct window_pane *wp)
2029: {
2030: struct format_tree *ft;
2031: char *expanded;
2032:
1.131 nicm 2033: if (item != NULL)
2034: ft = format_create(item->client, item, FORMAT_NONE, 0);
2035: else
2036: ft = format_create(NULL, item, FORMAT_NONE, 0);
1.123 nicm 2037: format_defaults(ft, c, s, wl, wp);
2038:
2039: expanded = format_expand(ft, fmt);
2040: format_free(ft);
2041: return (expanded);
1.1 nicm 2042: }
2043:
1.57 nicm 2044: /* Set defaults for any of arguments that are not NULL. */
2045: void
2046: format_defaults(struct format_tree *ft, struct client *c, struct session *s,
2047: struct winlink *wl, struct window_pane *wp)
2048: {
1.205 nicm 2049: if (c != NULL && c->name != NULL)
1.187 nicm 2050: log_debug("%s: c=%s", __func__, c->name);
2051: else
1.205 nicm 2052: log_debug("%s: c=none", __func__);
1.187 nicm 2053: if (s != NULL)
2054: log_debug("%s: s=$%u", __func__, s->id);
2055: else
2056: log_debug("%s: s=none", __func__);
2057: if (wl != NULL)
2058: log_debug("%s: wl=%u w=@%u", __func__, wl->idx, wl->window->id);
2059: else
2060: log_debug("%s: wl=none", __func__);
2061: if (wp != NULL)
2062: log_debug("%s: wp=%%%u", __func__, wp->id);
2063: else
2064: log_debug("%s: wp=none", __func__);
2065:
1.154 nicm 2066: if (c != NULL && s != NULL && c->session != s)
2067: log_debug("%s: session does not match", __func__);
2068:
1.146 nicm 2069: format_add(ft, "session_format", "%d", s != NULL);
2070: format_add(ft, "window_format", "%d", wl != NULL);
2071: format_add(ft, "pane_format", "%d", wp != NULL);
2072:
1.57 nicm 2073: if (s == NULL && c != NULL)
2074: s = c->session;
2075: if (wl == NULL && s != NULL)
2076: wl = s->curw;
2077: if (wp == NULL && wl != NULL)
2078: wp = wl->window->active;
2079:
2080: if (c != NULL)
2081: format_defaults_client(ft, c);
2082: if (s != NULL)
2083: format_defaults_session(ft, s);
1.129 nicm 2084: if (wl != NULL)
2085: format_defaults_winlink(ft, wl);
1.57 nicm 2086: if (wp != NULL)
2087: format_defaults_pane(ft, wp);
2088: }
2089:
1.1 nicm 2090: /* Set default format keys for a session. */
1.108 nicm 2091: static void
1.57 nicm 2092: format_defaults_session(struct format_tree *ft, struct session *s)
1.1 nicm 2093: {
2094: struct session_group *sg;
2095:
1.54 nicm 2096: ft->s = s;
2097:
1.1 nicm 2098: format_add(ft, "session_name", "%s", s->name);
2099: format_add(ft, "session_windows", "%u", winlink_count(&s->windows));
1.23 nicm 2100: format_add(ft, "session_id", "$%u", s->id);
1.1 nicm 2101:
1.122 nicm 2102: sg = session_group_contains(s);
1.1 nicm 2103: format_add(ft, "session_grouped", "%d", sg != NULL);
1.148 nicm 2104: if (sg != NULL) {
1.122 nicm 2105: format_add(ft, "session_group", "%s", sg->name);
1.148 nicm 2106: format_add(ft, "session_group_size", "%u",
2107: session_group_count (sg));
1.150 nicm 2108: format_add_cb(ft, "session_group_list",
2109: format_cb_session_group_list);
1.148 nicm 2110: }
1.1 nicm 2111:
1.87 nicm 2112: format_add_tv(ft, "session_created", &s->creation_time);
2113: format_add_tv(ft, "session_last_attached", &s->last_attached_time);
2114: format_add_tv(ft, "session_activity", &s->activity_time);
1.1 nicm 2115:
1.41 nicm 2116: format_add(ft, "session_attached", "%u", s->attached);
1.59 nicm 2117: format_add(ft, "session_many_attached", "%d", s->attached > 1);
1.66 nicm 2118:
1.80 nicm 2119: format_add_cb(ft, "session_alerts", format_cb_session_alerts);
1.133 nicm 2120: format_add_cb(ft, "session_stack", format_cb_session_stack);
1.3 nicm 2121: }
2122:
2123: /* Set default format keys for a client. */
1.108 nicm 2124: static void
1.57 nicm 2125: format_defaults_client(struct format_tree *ft, struct client *c)
1.3 nicm 2126: {
1.60 nicm 2127: struct session *s;
1.103 nicm 2128: const char *name;
1.115 nicm 2129: struct tty *tty = &c->tty;
2130: const char *types[] = TTY_TYPES;
1.3 nicm 2131:
1.54 nicm 2132: if (ft->s == NULL)
2133: ft->s = c->session;
1.164 nicm 2134: ft->c = c;
1.54 nicm 2135:
1.124 nicm 2136: format_add(ft, "client_name", "%s", c->name);
1.72 nicm 2137: format_add(ft, "client_pid", "%ld", (long) c->pid);
1.115 nicm 2138: format_add(ft, "client_height", "%u", tty->sy);
2139: format_add(ft, "client_width", "%u", tty->sx);
1.124 nicm 2140: format_add(ft, "client_tty", "%s", c->ttyname);
1.75 nicm 2141: format_add(ft, "client_control_mode", "%d",
2142: !!(c->flags & CLIENT_CONTROL));
1.3 nicm 2143:
1.115 nicm 2144: if (tty->term_name != NULL)
2145: format_add(ft, "client_termname", "%s", tty->term_name);
2146: if (tty->term_name != NULL)
2147: format_add(ft, "client_termtype", "%s", types[tty->term_type]);
2148:
1.87 nicm 2149: format_add_tv(ft, "client_created", &c->creation_time);
2150: format_add_tv(ft, "client_activity", &c->activity_time);
1.126 nicm 2151:
2152: format_add(ft, "client_written", "%zu", c->written);
2153: format_add(ft, "client_discarded", "%zu", c->discarded);
1.14 nicm 2154:
1.103 nicm 2155: name = server_client_get_key_table(c);
2156: if (strcmp(c->keytable->name, name) == 0)
1.61 nicm 2157: format_add(ft, "client_prefix", "%d", 0);
2158: else
2159: format_add(ft, "client_prefix", "%d", 1);
2160: format_add(ft, "client_key_table", "%s", c->keytable->name);
1.3 nicm 2161:
1.115 nicm 2162: if (tty->flags & TTY_UTF8)
1.3 nicm 2163: format_add(ft, "client_utf8", "%d", 1);
2164: else
2165: format_add(ft, "client_utf8", "%d", 0);
2166:
2167: if (c->flags & CLIENT_READONLY)
2168: format_add(ft, "client_readonly", "%d", 1);
2169: else
2170: format_add(ft, "client_readonly", "%d", 0);
1.15 nicm 2171:
2172: s = c->session;
2173: if (s != NULL)
2174: format_add(ft, "client_session", "%s", s->name);
2175: s = c->last_session;
2176: if (s != NULL && session_alive(s))
2177: format_add(ft, "client_last_session", "%s", s->name);
1.1 nicm 2178: }
2179:
1.32 nicm 2180: /* Set default format keys for a window. */
2181: void
1.57 nicm 2182: format_defaults_window(struct format_tree *ft, struct window *w)
1.32 nicm 2183: {
1.54 nicm 2184: ft->w = w;
2185:
1.87 nicm 2186: format_add_tv(ft, "window_activity", &w->activity_time);
1.32 nicm 2187: format_add(ft, "window_id", "@%u", w->id);
2188: format_add(ft, "window_name", "%s", w->name);
2189: format_add(ft, "window_width", "%u", w->sx);
2190: format_add(ft, "window_height", "%u", w->sy);
1.80 nicm 2191: format_add_cb(ft, "window_layout", format_cb_window_layout);
1.96 nicm 2192: format_add_cb(ft, "window_visible_layout",
2193: format_cb_window_visible_layout);
1.32 nicm 2194: format_add(ft, "window_panes", "%u", window_count_panes(w));
1.59 nicm 2195: format_add(ft, "window_zoomed_flag", "%d",
1.53 nicm 2196: !!(w->flags & WINDOW_ZOOMED));
1.32 nicm 2197: }
2198:
1.1 nicm 2199: /* Set default format keys for a winlink. */
1.108 nicm 2200: static void
1.129 nicm 2201: format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
1.1 nicm 2202: {
1.164 nicm 2203: struct client *c = ft->c;
1.129 nicm 2204: struct session *s = wl->session;
1.1 nicm 2205: struct window *w = wl->window;
1.164 nicm 2206: int flag;
2207: u_int ox, oy, sx, sy;
1.1 nicm 2208:
1.54 nicm 2209: if (ft->w == NULL)
2210: ft->w = wl->window;
1.133 nicm 2211: ft->wl = wl;
1.54 nicm 2212:
1.57 nicm 2213: format_defaults_window(ft, w);
1.32 nicm 2214:
1.164 nicm 2215: if (c != NULL) {
2216: flag = tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
2217: format_add(ft, "window_bigger", "%d", flag);
2218: if (flag) {
2219: format_add(ft, "window_offset_x", "%u", ox);
2220: format_add(ft, "window_offset_y", "%u", oy);
2221: }
2222: }
2223:
1.1 nicm 2224: format_add(ft, "window_index", "%d", wl->idx);
1.133 nicm 2225: format_add_cb(ft, "window_stack_index", format_cb_window_stack_index);
1.129 nicm 2226: format_add(ft, "window_flags", "%s", window_printable_flags(wl));
1.1 nicm 2227: format_add(ft, "window_active", "%d", wl == s->curw);
1.176 nicm 2228:
2229: format_add(ft, "window_start_flag", "%d",
2230: !!(wl == RB_MIN(winlinks, &s->windows)));
2231: format_add(ft, "window_end_flag", "%d",
2232: !!(wl == RB_MAX(winlinks, &s->windows)));
1.210 nicm 2233:
2234: if (server_check_marked() && marked_pane.wl == wl)
2235: format_add(ft, "window_marked_flag", "1");
2236: else
2237: format_add(ft, "window_marked_flag", "0");
1.29 nicm 2238:
1.59 nicm 2239: format_add(ft, "window_bell_flag", "%d",
1.29 nicm 2240: !!(wl->flags & WINLINK_BELL));
1.59 nicm 2241: format_add(ft, "window_activity_flag", "%d",
1.29 nicm 2242: !!(wl->flags & WINLINK_ACTIVITY));
1.59 nicm 2243: format_add(ft, "window_silence_flag", "%d",
1.29 nicm 2244: !!(wl->flags & WINLINK_SILENCE));
1.59 nicm 2245: format_add(ft, "window_last_flag", "%d",
1.49 nicm 2246: !!(wl == TAILQ_FIRST(&s->lastw)));
1.64 nicm 2247: format_add(ft, "window_linked", "%d", session_is_linked(s, wl->window));
1.1 nicm 2248: }
2249:
2250: /* Set default format keys for a window pane. */
2251: void
1.57 nicm 2252: format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
1.1 nicm 2253: {
1.168 nicm 2254: struct window *w = wp->window;
2255: struct grid *gd = wp->base.grid;
2256: int status = wp->status;
2257: u_int idx;
2258: struct window_mode_entry *wme;
1.54 nicm 2259:
2260: if (ft->w == NULL)
1.159 nicm 2261: ft->w = w;
1.79 nicm 2262: ft->wp = wp;
1.1 nicm 2263:
1.16 nicm 2264: format_add(ft, "history_size", "%u", gd->hsize);
2265: format_add(ft, "history_limit", "%u", gd->hlimit);
1.80 nicm 2266: format_add_cb(ft, "history_bytes", format_cb_history_bytes);
1.1 nicm 2267:
1.4 nicm 2268: if (window_pane_index(wp, &idx) != 0)
2269: fatalx("index not found");
1.16 nicm 2270: format_add(ft, "pane_index", "%u", idx);
1.4 nicm 2271:
1.1 nicm 2272: format_add(ft, "pane_width", "%u", wp->sx);
2273: format_add(ft, "pane_height", "%u", wp->sy);
2274: format_add(ft, "pane_title", "%s", wp->base.title);
1.215 nicm 2275: if (wp->base.path != NULL)
2276: format_add(ft, "pane_path", "%s", wp->base.path);
1.1 nicm 2277: format_add(ft, "pane_id", "%%%u", wp->id);
1.159 nicm 2278: format_add(ft, "pane_active", "%d", wp == w->active);
1.55 nicm 2279: format_add(ft, "pane_input_off", "%d", !!(wp->flags & PANE_INPUTOFF));
1.143 nicm 2280: format_add(ft, "pane_pipe", "%d", wp->pipe_fd != -1);
1.55 nicm 2281:
1.147 nicm 2282: if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(status))
1.55 nicm 2283: format_add(ft, "pane_dead_status", "%d", WEXITSTATUS(status));
1.190 nicm 2284: if (~wp->flags & PANE_EMPTY)
2285: format_add(ft, "pane_dead", "%d", wp->fd == -1);
2286: else
2287: format_add(ft, "pane_dead", "0");
1.191 nicm 2288:
2289: if (server_check_marked() && marked_pane.wp == wp)
2290: format_add(ft, "pane_marked", "1");
2291: else
2292: format_add(ft, "pane_marked", "0");
2293: format_add(ft, "pane_marked_set", "%d", server_check_marked());
1.47 nicm 2294:
1.164 nicm 2295: format_add(ft, "pane_left", "%u", wp->xoff);
2296: format_add(ft, "pane_top", "%u", wp->yoff);
2297: format_add(ft, "pane_right", "%u", wp->xoff + wp->sx - 1);
2298: format_add(ft, "pane_bottom", "%u", wp->yoff + wp->sy - 1);
2299: format_add(ft, "pane_at_left", "%d", wp->xoff == 0);
2300: format_add(ft, "pane_at_top", "%d", wp->yoff == 0);
2301: format_add(ft, "pane_at_right", "%d", wp->xoff + wp->sx == w->sx);
2302: format_add(ft, "pane_at_bottom", "%d", wp->yoff + wp->sy == w->sy);
1.16 nicm 2303:
1.168 nicm 2304: wme = TAILQ_FIRST(&wp->modes);
2305: if (wme != NULL) {
2306: format_add(ft, "pane_mode", "%s", wme->mode->name);
2307: if (wme->mode->formats != NULL)
2308: wme->mode->formats(wme, ft);
2309: }
2310: format_add_cb(ft, "pane_in_mode", format_cb_pane_in_mode);
1.134 nicm 2311:
1.26 nicm 2312: format_add(ft, "pane_synchronized", "%d",
1.159 nicm 2313: !!options_get_number(w->options, "synchronize-panes"));
1.135 nicm 2314: if (wp->searchstr != NULL)
2315: format_add(ft, "pane_search_string", "%s", wp->searchstr);
1.16 nicm 2316:
1.71 nicm 2317: format_add(ft, "pane_tty", "%s", wp->tty);
1.16 nicm 2318: format_add(ft, "pane_pid", "%ld", (long) wp->pid);
1.79 nicm 2319: format_add_cb(ft, "pane_start_command", format_cb_start_command);
2320: format_add_cb(ft, "pane_current_command", format_cb_current_command);
1.16 nicm 2321:
1.59 nicm 2322: format_add(ft, "cursor_x", "%u", wp->base.cx);
2323: format_add(ft, "cursor_y", "%u", wp->base.cy);
1.186 nicm 2324: format_add_cb(ft, "cursor_character", format_cb_cursor_character);
2325:
1.59 nicm 2326: format_add(ft, "scroll_region_upper", "%u", wp->base.rupper);
2327: format_add(ft, "scroll_region_lower", "%u", wp->base.rlower);
1.16 nicm 2328:
2329: format_add(ft, "alternate_on", "%d", wp->saved_grid ? 1 : 0);
1.59 nicm 2330: format_add(ft, "alternate_saved_x", "%u", wp->saved_cx);
2331: format_add(ft, "alternate_saved_y", "%u", wp->saved_cy);
1.16 nicm 2332:
2333: format_add(ft, "cursor_flag", "%d",
2334: !!(wp->base.mode & MODE_CURSOR));
2335: format_add(ft, "insert_flag", "%d",
2336: !!(wp->base.mode & MODE_INSERT));
2337: format_add(ft, "keypad_cursor_flag", "%d",
2338: !!(wp->base.mode & MODE_KCURSOR));
2339: format_add(ft, "keypad_flag", "%d",
2340: !!(wp->base.mode & MODE_KKEYPAD));
2341: format_add(ft, "wrap_flag", "%d",
2342: !!(wp->base.mode & MODE_WRAP));
1.208 nicm 2343: format_add(ft, "origin_flag", "%d",
2344: !!(wp->base.mode & MODE_ORIGIN));
1.16 nicm 2345:
1.62 nicm 2346: format_add(ft, "mouse_any_flag", "%d",
1.119 nicm 2347: !!(wp->base.mode & ALL_MOUSE_MODES));
1.16 nicm 2348: format_add(ft, "mouse_standard_flag", "%d",
2349: !!(wp->base.mode & MODE_MOUSE_STANDARD));
2350: format_add(ft, "mouse_button_flag", "%d",
2351: !!(wp->base.mode & MODE_MOUSE_BUTTON));
1.119 nicm 2352: format_add(ft, "mouse_all_flag", "%d",
2353: !!(wp->base.mode & MODE_MOUSE_ALL));
1.208 nicm 2354: format_add(ft, "mouse_utf8_flag", "%d",
2355: !!(wp->base.mode & MODE_MOUSE_UTF8));
2356: format_add(ft, "mouse_sgr_flag", "%d",
2357: !!(wp->base.mode & MODE_MOUSE_SGR));
1.19 nicm 2358:
1.80 nicm 2359: format_add_cb(ft, "pane_tabs", format_cb_pane_tabs);
1.8 nicm 2360: }
2361:
1.19 nicm 2362: /* Set default format keys for paste buffer. */
1.8 nicm 2363: void
1.94 nicm 2364: format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
1.8 nicm 2365: {
1.146 nicm 2366: struct timeval tv;
2367: size_t size;
2368: char *s;
2369:
2370: timerclear(&tv);
2371: tv.tv_sec = paste_buffer_created(pb);
2372: paste_buffer_data(pb, &size);
1.8 nicm 2373:
1.146 nicm 2374: format_add(ft, "buffer_size", "%zu", size);
1.81 nicm 2375: format_add(ft, "buffer_name", "%s", paste_buffer_name(pb));
1.146 nicm 2376: format_add_tv(ft, "buffer_created", &tv);
1.8 nicm 2377:
1.94 nicm 2378: s = paste_make_sample(pb);
1.42 nicm 2379: format_add(ft, "buffer_sample", "%s", s);
2380: free(s);
1.1 nicm 2381: }
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