Annotation of src/usr.bin/tmux/format.c, Revision 1.98
1.98 ! nicm 1: /* $OpenBSD: format.c,v 1.97 2015/11/13 12:18:52 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>
1.87 nicm 24: #include <libgen.h>
1.1 nicm 25: #include <netdb.h>
26: #include <stdarg.h>
1.9 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <time.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
34: /*
35: * Build a list of key-value pairs and use them to expand #{key} entries in a
36: * string.
37: */
38:
1.79 nicm 39: struct format_entry;
40: typedef void (*format_cb)(struct format_tree *, struct format_entry *);
41:
1.68 nicm 42: void format_job_callback(struct job *);
1.86 nicm 43: char *format_job_get(struct format_tree *, const char *);
1.77 nicm 44: void format_job_timer(int, short, void *);
1.68 nicm 45:
1.79 nicm 46: void format_cb_host(struct format_tree *, struct format_entry *);
47: void format_cb_host_short(struct format_tree *, struct format_entry *);
48: void format_cb_pid(struct format_tree *, struct format_entry *);
1.80 nicm 49: void format_cb_session_alerts(struct format_tree *, struct format_entry *);
50: void format_cb_window_layout(struct format_tree *, struct format_entry *);
1.97 nicm 51: void format_cb_window_visible_layout(struct format_tree *,
52: struct format_entry *);
1.79 nicm 53: void format_cb_start_command(struct format_tree *, struct format_entry *);
54: void format_cb_current_command(struct format_tree *, struct format_entry *);
1.80 nicm 55: void format_cb_history_bytes(struct format_tree *, struct format_entry *);
56: void format_cb_pane_tabs(struct format_tree *, struct format_entry *);
1.79 nicm 57:
1.87 nicm 58: char *format_find(struct format_tree *, const char *, int);
1.79 nicm 59: void format_add_cb(struct format_tree *, const char *, format_cb);
1.87 nicm 60: void format_add_tv(struct format_tree *, const char *, struct timeval *);
1.32 nicm 61: int format_replace(struct format_tree *, const char *, size_t, char **,
62: size_t *, size_t *);
1.60 nicm 63: char *format_time_string(time_t);
1.57 nicm 64:
65: void format_defaults_pane_tabs(struct format_tree *, struct window_pane *);
66: void format_defaults_session(struct format_tree *, struct session *);
67: void format_defaults_client(struct format_tree *, struct client *);
68: void format_defaults_winlink(struct format_tree *, struct session *,
69: struct winlink *);
1.1 nicm 70:
1.68 nicm 71: /* Entry in format job tree. */
72: struct format_job {
73: const char *cmd;
74:
75: time_t last;
76: char *out;
77:
78: struct job *job;
79: int status;
80:
81: RB_ENTRY(format_job) entry;
82: };
83:
84: /* Format job tree. */
1.77 nicm 85: struct event format_job_event;
1.68 nicm 86: int format_job_cmp(struct format_job *, struct format_job *);
87: RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
88: RB_PROTOTYPE(format_job_tree, format_job, entry, format_job_cmp);
89: RB_GENERATE(format_job_tree, format_job, entry, format_job_cmp);
90:
91: /* Format job tree comparison function. */
92: int
93: format_job_cmp(struct format_job *fj1, struct format_job *fj2)
94: {
95: return (strcmp(fj1->cmd, fj2->cmd));
96: }
97:
1.87 nicm 98: /* Format modifiers. */
99: #define FORMAT_TIMESTRING 0x1
100: #define FORMAT_BASENAME 0x2
101: #define FORMAT_DIRNAME 0x4
1.98 ! nicm 102: #define FORMAT_SUBSTITUTE 0x8
1.87 nicm 103:
1.54 nicm 104: /* Entry in format tree. */
105: struct format_entry {
1.79 nicm 106: char *key;
107: char *value;
1.87 nicm 108: time_t t;
1.79 nicm 109: format_cb cb;
110: RB_ENTRY(format_entry) entry;
1.54 nicm 111: };
112:
1.68 nicm 113: /* Format entry tree. */
1.54 nicm 114: struct format_tree {
1.79 nicm 115: struct window *w;
116: struct session *s;
117: struct window_pane *wp;
1.54 nicm 118:
1.84 nicm 119: int flags;
1.68 nicm 120:
121: RB_HEAD(format_entry_tree, format_entry) tree;
1.54 nicm 122: };
1.68 nicm 123: int format_entry_cmp(struct format_entry *, struct format_entry *);
124: RB_PROTOTYPE(format_entry_tree, format_entry, entry, format_entry_cmp);
125: RB_GENERATE(format_entry_tree, format_entry, entry, format_entry_cmp);
1.54 nicm 126:
1.68 nicm 127: /* Format entry tree comparison function. */
1.1 nicm 128: int
1.68 nicm 129: format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
1.1 nicm 130: {
131: return (strcmp(fe1->key, fe2->key));
132: }
133:
1.25 nicm 134: /* Single-character uppercase aliases. */
135: const char *format_upper[] = {
1.1 nicm 136: NULL, /* A */
137: NULL, /* B */
138: NULL, /* C */
139: "pane_id", /* D */
140: NULL, /* E */
141: "window_flags", /* F */
142: NULL, /* G */
143: "host", /* H */
144: "window_index", /* I */
145: NULL, /* J */
146: NULL, /* K */
147: NULL, /* L */
148: NULL, /* M */
149: NULL, /* N */
150: NULL, /* O */
151: "pane_index", /* P */
152: NULL, /* Q */
153: NULL, /* R */
154: "session_name", /* S */
155: "pane_title", /* T */
156: NULL, /* U */
157: NULL, /* V */
158: "window_name", /* W */
159: NULL, /* X */
160: NULL, /* Y */
161: NULL /* Z */
162: };
163:
1.25 nicm 164: /* Single-character lowercase aliases. */
165: const char *format_lower[] = {
166: NULL, /* a */
167: NULL, /* b */
168: NULL, /* c */
169: NULL, /* d */
170: NULL, /* e */
171: NULL, /* f */
172: NULL, /* g */
173: "host_short", /* h */
174: NULL, /* i */
175: NULL, /* j */
176: NULL, /* k */
177: NULL, /* l */
178: NULL, /* m */
179: NULL, /* n */
180: NULL, /* o */
181: NULL, /* p */
182: NULL, /* q */
183: NULL, /* r */
184: NULL, /* s */
185: NULL, /* t */
186: NULL, /* u */
187: NULL, /* v */
188: NULL, /* w */
189: NULL, /* x */
190: NULL, /* y */
191: NULL /* z */
192: };
193:
1.68 nicm 194: /* Format job callback. */
195: void
196: format_job_callback(struct job *job)
197: {
198: struct format_job *fj = job->data;
199: char *line, *buf;
200: size_t len;
201: struct client *c;
202:
203: fj->job = NULL;
204: free(fj->out);
205:
206: buf = NULL;
207: if ((line = evbuffer_readline(job->event->input)) == NULL) {
208: len = EVBUFFER_LENGTH(job->event->input);
209: buf = xmalloc(len + 1);
210: if (len != 0)
211: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
212: buf[len] = '\0';
213: } else
214: buf = line;
215: fj->out = buf;
216:
217: if (fj->status) {
218: TAILQ_FOREACH(c, &clients, entry)
219: server_status_client(c);
220: fj->status = 0;
221: }
1.77 nicm 222:
223: log_debug("%s: %s: %s", __func__, fj->cmd, fj->out);
1.68 nicm 224: }
225:
226: /* Find a job. */
1.86 nicm 227: char *
1.68 nicm 228: format_job_get(struct format_tree *ft, const char *cmd)
229: {
230: struct format_job fj0, *fj;
1.84 nicm 231: time_t t;
1.68 nicm 232:
233: fj0.cmd = cmd;
1.82 nicm 234: if ((fj = RB_FIND(format_job_tree, &format_jobs, &fj0)) == NULL) {
1.68 nicm 235: fj = xcalloc(1, sizeof *fj);
236: fj->cmd = xstrdup(cmd);
237:
238: xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
239:
240: RB_INSERT(format_job_tree, &format_jobs, fj);
241: }
242:
1.84 nicm 243: t = time(NULL);
244: if (fj->job == NULL && ((ft->flags & FORMAT_FORCE) || fj->last != t)) {
1.92 nicm 245: fj->job = job_run(fj->cmd, NULL, NULL, format_job_callback,
1.68 nicm 246: NULL, fj);
247: if (fj->job == NULL) {
248: free(fj->out);
249: xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
250: }
1.84 nicm 251: fj->last = t;
1.68 nicm 252: }
1.84 nicm 253:
254: if (ft->flags & FORMAT_STATUS)
255: fj->status = 1;
1.68 nicm 256:
1.86 nicm 257: return (format_expand(ft, fj->out));
1.68 nicm 258: }
259:
260: /* Remove old jobs. */
261: void
1.77 nicm 262: format_job_timer(unused int fd, unused short events, unused void *arg)
1.68 nicm 263: {
264: struct format_job *fj, *fj1;
265: time_t now;
1.77 nicm 266: struct timeval tv = { .tv_sec = 60 };
1.68 nicm 267:
268: now = time(NULL);
269: RB_FOREACH_SAFE(fj, format_job_tree, &format_jobs, fj1) {
270: if (fj->last > now || now - fj->last < 3600)
271: continue;
272: RB_REMOVE(format_job_tree, &format_jobs, fj);
273:
1.77 nicm 274: log_debug("%s: %s", __func__, fj->cmd);
275:
1.68 nicm 276: if (fj->job != NULL)
277: job_free(fj->job);
278:
1.78 nicm 279: free((void *)fj->cmd);
1.68 nicm 280: free(fj->out);
281:
282: free(fj);
283: }
1.77 nicm 284:
285: evtimer_del(&format_job_event);
286: evtimer_add(&format_job_event, &tv);
1.68 nicm 287: }
288:
1.79 nicm 289: /* Callback for host. */
290: void
291: format_cb_host(unused struct format_tree *ft, struct format_entry *fe)
292: {
293: char host[HOST_NAME_MAX + 1];
294:
295: if (gethostname(host, sizeof host) != 0)
296: fe->value = xstrdup("");
297: else
298: fe->value = xstrdup(host);
299: }
300:
301: /* Callback for host_short. */
302: void
303: format_cb_host_short(unused struct format_tree *ft, struct format_entry *fe)
304: {
305: char host[HOST_NAME_MAX + 1], *cp;
306:
307: if (gethostname(host, sizeof host) != 0)
308: fe->value = xstrdup("");
309: else {
310: if ((cp = strchr(host, '.')) != NULL)
311: *cp = '\0';
312: fe->value = xstrdup(host);
313: }
314: }
315:
316: /* Callback for pid. */
317: void
318: format_cb_pid(unused struct format_tree *ft, struct format_entry *fe)
319: {
320: xasprintf(&fe->value, "%ld", (long)getpid());
321: }
322:
1.80 nicm 323: /* Callback for session_alerts. */
324: void
325: format_cb_session_alerts(struct format_tree *ft, struct format_entry *fe)
326: {
327: struct session *s = ft->s;
328: struct winlink *wl;
329: char alerts[256], tmp[16];
330:
331: if (s == NULL)
332: return;
333:
334: *alerts = '\0';
335: RB_FOREACH(wl, winlinks, &s->windows) {
336: if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
337: continue;
338: xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
339:
340: if (*alerts != '\0')
341: strlcat(alerts, ",", sizeof alerts);
342: strlcat(alerts, tmp, sizeof alerts);
343: if (wl->flags & WINLINK_ACTIVITY)
344: strlcat(alerts, "#", sizeof alerts);
345: if (wl->flags & WINLINK_BELL)
346: strlcat(alerts, "!", sizeof alerts);
347: if (wl->flags & WINLINK_SILENCE)
348: strlcat(alerts, "~", sizeof alerts);
349: }
350: fe->value = xstrdup(alerts);
351: }
352:
353: /* Callback for window_layout. */
354: void
355: format_cb_window_layout(struct format_tree *ft, struct format_entry *fe)
356: {
357: struct window *w = ft->w;
358:
359: if (w == NULL)
360: return;
361:
362: if (w->saved_layout_root != NULL)
363: fe->value = layout_dump(w->saved_layout_root);
364: else
365: fe->value = layout_dump(w->layout_root);
366: }
367:
1.96 nicm 368: /* Callback for window_visible_layout. */
369: void
370: format_cb_window_visible_layout(struct format_tree *ft, struct format_entry *fe)
371: {
372: struct window *w = ft->w;
373:
374: if (w == NULL)
375: return;
376:
377: fe->value = layout_dump(w->layout_root);
378: }
379:
1.79 nicm 380: /* Callback for pane_start_command. */
381: void
382: format_cb_start_command(struct format_tree *ft, struct format_entry *fe)
383: {
384: struct window_pane *wp = ft->wp;
385:
386: if (wp == NULL)
387: return;
388:
389: fe->value = cmd_stringify_argv(wp->argc, wp->argv);
390: }
391:
392: /* Callback for pane_current_command. */
393: void
394: format_cb_current_command(struct format_tree *ft, struct format_entry *fe)
395: {
396: struct window_pane *wp = ft->wp;
397: char *cmd;
398:
399: if (wp == NULL)
400: return;
401:
402: cmd = get_proc_name(wp->fd, wp->tty);
403: if (cmd == NULL || *cmd == '\0') {
404: free(cmd);
405: cmd = cmd_stringify_argv(wp->argc, wp->argv);
406: if (cmd == NULL || *cmd == '\0') {
407: free(cmd);
408: cmd = xstrdup(wp->shell);
409: }
410: }
411: fe->value = parse_window_name(cmd);
412: free(cmd);
413: }
414:
1.80 nicm 415: /* Callback for history_bytes. */
416: void
417: format_cb_history_bytes(struct format_tree *ft, struct format_entry *fe)
418: {
419: struct window_pane *wp = ft->wp;
420: struct grid *gd;
421: struct grid_line *gl;
422: unsigned long long size;
423: u_int i;
424:
425: if (wp == NULL)
426: return;
427: gd = wp->base.grid;
428:
429: size = 0;
430: for (i = 0; i < gd->hsize; i++) {
431: gl = &gd->linedata[i];
432: size += gl->cellsize * sizeof *gl->celldata;
1.95 nicm 433: size += gl->extdsize * sizeof *gl->extddata;
1.80 nicm 434: }
435: size += gd->hsize * sizeof *gd->linedata;
436:
437: xasprintf(&fe->value, "%llu", size);
438: }
439:
440: /* Callback for pane_tabs. */
441: void
442: format_cb_pane_tabs(struct format_tree *ft, struct format_entry *fe)
443: {
444: struct window_pane *wp = ft->wp;
445: struct evbuffer *buffer;
446: u_int i;
447: int size;
448:
449: if (wp == NULL)
450: return;
451:
452: buffer = evbuffer_new();
453: for (i = 0; i < wp->base.grid->sx; i++) {
454: if (!bit_test(wp->base.tabs, i))
455: continue;
456:
457: if (EVBUFFER_LENGTH(buffer) > 0)
458: evbuffer_add(buffer, ",", 1);
459: evbuffer_add_printf(buffer, "%u", i);
460: }
461: size = EVBUFFER_LENGTH(buffer);
462: xasprintf(&fe->value, "%.*s", size, EVBUFFER_DATA(buffer));
463: evbuffer_free(buffer);
464: }
465:
1.1 nicm 466: /* Create a new tree. */
467: struct format_tree *
468: format_create(void)
469: {
1.84 nicm 470: return (format_create_flags(0));
1.68 nicm 471: }
472:
473: /* Create a new tree for the status line. */
474: struct format_tree *
1.84 nicm 475: format_create_flags(int flags)
1.68 nicm 476: {
1.1 nicm 477: struct format_tree *ft;
1.77 nicm 478:
479: if (!event_initialized(&format_job_event)) {
480: evtimer_set(&format_job_event, format_job_timer, NULL);
481: format_job_timer(-1, 0, NULL);
482: }
1.1 nicm 483:
1.54 nicm 484: ft = xcalloc(1, sizeof *ft);
485: RB_INIT(&ft->tree);
1.84 nicm 486: ft->flags = flags;
1.1 nicm 487:
1.79 nicm 488: format_add_cb(ft, "host", format_cb_host);
489: format_add_cb(ft, "host_short", format_cb_host_short);
490: format_add_cb(ft, "pid", format_cb_pid);
1.1 nicm 491:
492: return (ft);
493: }
494:
495: /* Free a tree. */
496: void
497: format_free(struct format_tree *ft)
498: {
1.54 nicm 499: struct format_entry *fe, *fe1;
1.1 nicm 500:
1.68 nicm 501: RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
502: RB_REMOVE(format_entry_tree, &ft->tree, fe);
1.9 nicm 503: free(fe->value);
504: free(fe->key);
505: free(fe);
1.1 nicm 506: }
507:
1.25 nicm 508: free(ft);
1.1 nicm 509: }
510:
511: /* Add a key-value pair. */
512: void
513: format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
514: {
515: struct format_entry *fe;
1.28 nicm 516: struct format_entry *fe_now;
1.1 nicm 517: va_list ap;
518:
519: fe = xmalloc(sizeof *fe);
520: fe->key = xstrdup(key);
521:
1.79 nicm 522: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
523: if (fe_now != NULL) {
524: free(fe->key);
525: free(fe);
526: free(fe_now->value);
527: fe = fe_now;
528: }
529:
530: fe->cb = NULL;
1.87 nicm 531: fe->t = 0;
1.79 nicm 532:
1.1 nicm 533: va_start(ap, fmt);
534: xvasprintf(&fe->value, fmt, ap);
535: va_end(ap);
1.79 nicm 536: }
537:
1.87 nicm 538: /* Add a key and time. */
539: void
540: format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
541: {
542: struct format_entry *fe;
543: struct format_entry *fe_now;
544:
545: fe = xmalloc(sizeof *fe);
546: fe->key = xstrdup(key);
547:
548: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
549: if (fe_now != NULL) {
550: free(fe->key);
551: free(fe);
552: free(fe_now->value);
553: fe = fe_now;
554: }
555:
556: fe->cb = NULL;
557: fe->t = tv->tv_sec;
558:
559: fe->value = NULL;
560: }
561:
1.79 nicm 562: /* Add a key and function. */
563: void
564: format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
565: {
566: struct format_entry *fe;
567: struct format_entry *fe_now;
568:
569: fe = xmalloc(sizeof *fe);
570: fe->key = xstrdup(key);
1.1 nicm 571:
1.68 nicm 572: fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
1.28 nicm 573: if (fe_now != NULL) {
574: free(fe->key);
575: free(fe);
1.79 nicm 576: free(fe_now->value);
577: fe = fe_now;
1.28 nicm 578: }
1.79 nicm 579:
580: fe->cb = cb;
1.87 nicm 581: fe->t = 0;
1.79 nicm 582:
583: fe->value = NULL;
1.1 nicm 584: }
585:
586: /* Find a format entry. */
1.87 nicm 587: char *
588: format_find(struct format_tree *ft, const char *key, int modifiers)
1.1 nicm 589: {
590: struct format_entry *fe, fe_find;
1.54 nicm 591: struct options_entry *o;
1.76 nicm 592: struct environ_entry *envent;
1.87 nicm 593: static char s[64];
594: const char *found;
595: char *copy, *saved;
596:
597: found = NULL;
598:
599: if (~modifiers & FORMAT_TIMESTRING) {
1.90 nicm 600: o = options_find(global_options, key);
1.87 nicm 601: if (o == NULL && ft->w != NULL)
1.90 nicm 602: o = options_find(ft->w->options, key);
1.87 nicm 603: if (o == NULL)
1.90 nicm 604: o = options_find(global_w_options, key);
1.87 nicm 605: if (o == NULL && ft->s != NULL)
1.90 nicm 606: o = options_find(ft->s->options, key);
1.87 nicm 607: if (o == NULL)
1.90 nicm 608: o = options_find(global_s_options, key);
1.87 nicm 609: if (o != NULL) {
610: switch (o->type) {
611: case OPTIONS_STRING:
612: found = o->str;
613: goto found;
614: case OPTIONS_NUMBER:
615: xsnprintf(s, sizeof s, "%lld", o->num);
616: found = s;
617: goto found;
618: case OPTIONS_STYLE:
619: found = style_tostring(&o->style);
620: goto found;
621: }
1.54 nicm 622: }
623: }
1.1 nicm 624:
625: fe_find.key = (char *) key;
1.68 nicm 626: fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
1.79 nicm 627: if (fe != NULL) {
1.87 nicm 628: if (modifiers & FORMAT_TIMESTRING) {
629: if (fe->t == 0)
630: return (NULL);
631: ctime_r(&fe->t, s);
632: s[strcspn(s, "\n")] = '\0';
633: found = s;
634: goto found;
635: }
636: if (fe->t != 0) {
637: xsnprintf(s, sizeof s, "%lld", (long long)fe->t);
638: found = s;
639: goto found;
640: }
1.79 nicm 641: if (fe->value == NULL && fe->cb != NULL)
642: fe->cb(ft, fe);
1.87 nicm 643: found = fe->value;
644: goto found;
1.79 nicm 645: }
1.76 nicm 646:
1.87 nicm 647: if (~modifiers & FORMAT_TIMESTRING) {
648: envent = NULL;
649: if (ft->s != NULL)
1.91 nicm 650: envent = environ_find(ft->s->environ, key);
1.87 nicm 651: if (envent == NULL)
1.91 nicm 652: envent = environ_find(global_environ, key);
1.87 nicm 653: if (envent != NULL) {
654: found = envent->value;
655: goto found;
656: }
657: }
1.76 nicm 658:
659: return (NULL);
1.87 nicm 660:
661: found:
1.88 nicm 662: if (found == NULL)
663: return (NULL);
1.87 nicm 664: copy = xstrdup(found);
665: if (modifiers & FORMAT_BASENAME) {
666: saved = copy;
667: copy = xstrdup(basename(saved));
668: free(saved);
669: }
670: if (modifiers & FORMAT_DIRNAME) {
671: saved = copy;
672: copy = xstrdup(dirname(saved));
673: free(saved);
674: }
675: return (copy);
1.1 nicm 676: }
677:
678: /*
679: * Replace a key/value pair in buffer. #{blah} is expanded directly,
680: * #{?blah,a,b} is replace with a if blah exists and is nonzero else b.
681: */
682: int
1.30 nicm 683: format_replace(struct format_tree *ft, const char *key, size_t keylen,
684: char **buf, size_t *len, size_t *off)
1.1 nicm 685: {
1.98 ! nicm 686: char *copy, *copy0, *endptr, *ptr, *found, *new, *value;
! 687: char *from = NULL, *to = NULL;
! 688: size_t valuelen, newlen, fromlen, tolen, used;
1.44 nicm 689: u_long limit = 0;
1.89 nicm 690: int modifiers = 0, brackets;
1.1 nicm 691:
692: /* Make a copy of the key. */
1.30 nicm 693: copy0 = copy = xmalloc(keylen + 1);
1.1 nicm 694: memcpy(copy, key, keylen);
695: copy[keylen] = '\0';
696:
1.30 nicm 697: /* Is there a length limit or whatnot? */
1.87 nicm 698: switch (copy[0]) {
699: case '=':
700: errno = 0;
701: limit = strtoul(copy + 1, &endptr, 10);
702: if (errno == ERANGE && limit == ULONG_MAX)
703: break;
704: if (*endptr != ':')
705: break;
706: copy = endptr + 1;
707: break;
708: case 'b':
709: if (copy[1] != ':')
710: break;
711: modifiers |= FORMAT_BASENAME;
712: copy += 2;
713: break;
714: case 'd':
715: if (copy[1] != ':')
716: break;
717: modifiers |= FORMAT_DIRNAME;
718: copy += 2;
719: break;
720: case 't':
721: if (copy[1] != ':')
722: break;
723: modifiers |= FORMAT_TIMESTRING;
724: copy += 2;
725: break;
1.98 ! nicm 726: case 's':
! 727: if (copy[1] != '/')
! 728: break;
! 729: from = copy + 2;
! 730: for (copy = from; *copy != '\0' && *copy != '/'; copy++)
! 731: /* nothing */;
! 732: if (copy[0] != '/' || copy == from) {
! 733: copy = copy0;
! 734: break;
! 735: }
! 736: copy[0] = '\0';
! 737: to = copy + 1;
! 738: for (copy = to; *copy != '\0' && *copy != '/'; copy++)
! 739: /* nothing */;
! 740: if (copy[0] != '/' || copy[1] != ':') {
! 741: copy = copy0;
! 742: break;
! 743: }
! 744: copy[0] = '\0';
! 745:
! 746: modifiers |= FORMAT_SUBSTITUTE;
! 747: copy += 2;
! 748: break;
1.30 nicm 749: }
750:
1.1 nicm 751: /*
752: * Is this a conditional? If so, check it exists and extract either the
753: * first or second element. If not, look up the key directly.
754: */
755: if (*copy == '?') {
756: ptr = strchr(copy, ',');
757: if (ptr == NULL)
758: goto fail;
759: *ptr = '\0';
760:
1.89 nicm 761: value = ptr + 1;
1.98 ! nicm 762: found = format_find(ft, copy + 1, modifiers);
1.89 nicm 763:
764: brackets = 0;
765: for (ptr = ptr + 1; *ptr != '\0'; ptr++) {
766: if (*ptr == '{')
767: brackets++;
768: if (*ptr == '}')
769: brackets--;
770: if (*ptr == ',' && brackets == 0)
771: break;
772: }
773: if (*ptr == '\0')
774: goto fail;
775:
1.98 ! nicm 776: if (found != NULL && *found != '\0' &&
! 777: (found[0] != '0' || found[1] != '\0')) {
1.1 nicm 778: *ptr = '\0';
1.89 nicm 779: } else
1.1 nicm 780: value = ptr + 1;
1.87 nicm 781: value = format_expand(ft, value);
1.98 ! nicm 782: free(found);
1.1 nicm 783: } else {
1.98 ! nicm 784: value = format_find(ft, copy, modifiers);
1.1 nicm 785: if (value == NULL)
1.98 ! nicm 786: value = xstrdup("");
! 787: }
! 788:
! 789: /* Perform substitution if any. */
! 790: if (modifiers & FORMAT_SUBSTITUTE) {
! 791: fromlen = strlen(from);
! 792: tolen = strlen(to);
! 793:
! 794: newlen = strlen(value) + 1;
! 795: copy = new = xmalloc(newlen);
! 796: for (ptr = value; *ptr != '\0'; /* nothing */) {
! 797: if (strncmp(ptr, from, fromlen) != 0) {
! 798: *new++ = *ptr++;
! 799: continue;
! 800: }
! 801: used = new - copy;
! 802:
! 803: newlen += tolen;
! 804: copy = xrealloc(copy, newlen);
! 805:
! 806: new = copy + used;
! 807: memcpy(new, to, tolen);
! 808:
! 809: new += tolen;
! 810: ptr += fromlen;
! 811: }
! 812: *new = '\0';
! 813: free(value);
! 814: value = copy;
1.1 nicm 815: }
816:
1.30 nicm 817: /* Truncate the value if needed. */
1.44 nicm 818: if (limit != 0) {
1.98 ! nicm 819: new = utf8_trimcstr(value, limit);
! 820: free(value);
! 821: value = new;
1.44 nicm 822: }
1.30 nicm 823:
1.1 nicm 824: /* Expand the buffer and copy in the value. */
1.98 ! nicm 825: valuelen = strlen(value);
1.1 nicm 826: while (*len - *off < valuelen + 1) {
1.50 nicm 827: *buf = xreallocarray(*buf, 2, *len);
1.1 nicm 828: *len *= 2;
829: }
830: memcpy(*buf + *off, value, valuelen);
831: *off += valuelen;
832:
1.98 ! nicm 833: free(value);
1.30 nicm 834: free(copy0);
1.1 nicm 835: return (0);
836:
837: fail:
1.30 nicm 838: free(copy0);
1.1 nicm 839: return (-1);
840: }
841:
1.58 nicm 842: /* Expand keys in a template, passing through strftime first. */
843: char *
844: format_expand_time(struct format_tree *ft, const char *fmt, time_t t)
845: {
846: char *tmp, *expanded;
847: size_t tmplen;
848: struct tm *tm;
849:
1.67 nicm 850: if (fmt == NULL || *fmt == '\0')
1.58 nicm 851: return (xstrdup(""));
852:
853: tm = localtime(&t);
854:
855: tmp = NULL;
856: tmplen = strlen(fmt);
857:
858: do {
859: tmp = xreallocarray(tmp, 2, tmplen);
860: tmplen *= 2;
861: } while (strftime(tmp, tmplen, fmt, tm) == 0);
862:
863: expanded = format_expand(ft, tmp);
864: free(tmp);
865:
866: return (expanded);
867: }
868:
1.1 nicm 869: /* Expand keys in a template. */
870: char *
871: format_expand(struct format_tree *ft, const char *fmt)
872: {
1.86 nicm 873: char *buf, *tmp, *cmd, *out;
1.79 nicm 874: const char *ptr, *s, *saved = fmt;
1.86 nicm 875: size_t off, len, n, outlen;
1.31 nicm 876: int ch, brackets;
1.58 nicm 877:
878: if (fmt == NULL)
879: return (xstrdup(""));
1.1 nicm 880:
881: len = 64;
882: buf = xmalloc(len);
883: off = 0;
884:
885: while (*fmt != '\0') {
886: if (*fmt != '#') {
887: while (len - off < 2) {
1.50 nicm 888: buf = xreallocarray(buf, 2, len);
1.1 nicm 889: len *= 2;
890: }
891: buf[off++] = *fmt++;
892: continue;
893: }
894: fmt++;
895:
896: ch = (u_char) *fmt++;
897: switch (ch) {
1.68 nicm 898: case '(':
899: brackets = 1;
900: for (ptr = fmt; *ptr != '\0'; ptr++) {
901: if (*ptr == '(')
902: brackets++;
903: if (*ptr == ')' && --brackets == 0)
904: break;
905: }
906: if (*ptr != ')' || brackets != 0)
907: break;
908: n = ptr - fmt;
909:
910: tmp = xmalloc(n + 1);
911: memcpy(tmp, fmt, n);
912: tmp[n] = '\0';
1.69 nicm 913: cmd = format_expand(ft, tmp);
1.68 nicm 914:
1.86 nicm 915: out = format_job_get(ft, cmd);
916: outlen = strlen(out);
1.69 nicm 917:
918: free(cmd);
919: free(tmp);
1.68 nicm 920:
1.86 nicm 921: while (len - off < outlen + 1) {
1.68 nicm 922: buf = xreallocarray(buf, 2, len);
923: len *= 2;
924: }
1.86 nicm 925: memcpy(buf + off, out, outlen);
926: off += outlen;
927:
928: free(out);
1.68 nicm 929:
930: fmt += n + 1;
931: continue;
1.1 nicm 932: case '{':
1.31 nicm 933: brackets = 1;
934: for (ptr = fmt; *ptr != '\0'; ptr++) {
935: if (*ptr == '{')
936: brackets++;
937: if (*ptr == '}' && --brackets == 0)
938: break;
939: }
940: if (*ptr != '}' || brackets != 0)
1.1 nicm 941: break;
942: n = ptr - fmt;
943:
944: if (format_replace(ft, fmt, n, &buf, &len, &off) != 0)
945: break;
946: fmt += n + 1;
1.40 nicm 947: continue;
948: case '#':
949: while (len - off < 2) {
1.50 nicm 950: buf = xreallocarray(buf, 2, len);
1.40 nicm 951: len *= 2;
952: }
953: buf[off++] = '#';
1.1 nicm 954: continue;
955: default:
1.25 nicm 956: s = NULL;
957: if (ch >= 'A' && ch <= 'Z')
958: s = format_upper[ch - 'A'];
959: else if (ch >= 'a' && ch <= 'z')
960: s = format_lower[ch - 'a'];
961: if (s == NULL) {
962: while (len - off < 3) {
1.50 nicm 963: buf = xreallocarray(buf, 2, len);
1.25 nicm 964: len *= 2;
1.1 nicm 965: }
1.25 nicm 966: buf[off++] = '#';
967: buf[off++] = ch;
968: continue;
1.1 nicm 969: }
1.25 nicm 970: n = strlen(s);
971: if (format_replace(ft, s, n, &buf, &len, &off) != 0)
972: break;
1.1 nicm 973: continue;
974: }
975:
976: break;
977: }
978: buf[off] = '\0';
979:
1.79 nicm 980: log_debug("format '%s' -> '%s'", saved, buf);
1.1 nicm 981: return (buf);
982: }
983:
1.57 nicm 984: /* Set defaults for any of arguments that are not NULL. */
985: void
986: format_defaults(struct format_tree *ft, struct client *c, struct session *s,
987: struct winlink *wl, struct window_pane *wp)
988: {
989: if (s == NULL && c != NULL)
990: s = c->session;
991: if (wl == NULL && s != NULL)
992: wl = s->curw;
993: if (wp == NULL && wl != NULL)
994: wp = wl->window->active;
995:
996: if (c != NULL)
997: format_defaults_client(ft, c);
998: if (s != NULL)
999: format_defaults_session(ft, s);
1000: if (s != NULL && wl != NULL)
1001: format_defaults_winlink(ft, s, wl);
1002: if (wp != NULL)
1003: format_defaults_pane(ft, wp);
1004: }
1005:
1.1 nicm 1006: /* Set default format keys for a session. */
1007: void
1.57 nicm 1008: format_defaults_session(struct format_tree *ft, struct session *s)
1.1 nicm 1009: {
1010: struct session_group *sg;
1011:
1.54 nicm 1012: ft->s = s;
1013:
1.1 nicm 1014: format_add(ft, "session_name", "%s", s->name);
1015: format_add(ft, "session_windows", "%u", winlink_count(&s->windows));
1016: format_add(ft, "session_width", "%u", s->sx);
1017: format_add(ft, "session_height", "%u", s->sy);
1.23 nicm 1018: format_add(ft, "session_id", "$%u", s->id);
1.1 nicm 1019:
1020: sg = session_group_find(s);
1021: format_add(ft, "session_grouped", "%d", sg != NULL);
1022: if (sg != NULL)
1023: format_add(ft, "session_group", "%u", session_group_index(sg));
1024:
1.87 nicm 1025: format_add_tv(ft, "session_created", &s->creation_time);
1026: format_add_tv(ft, "session_last_attached", &s->last_attached_time);
1027: format_add_tv(ft, "session_activity", &s->activity_time);
1.1 nicm 1028:
1.41 nicm 1029: format_add(ft, "session_attached", "%u", s->attached);
1.59 nicm 1030: format_add(ft, "session_many_attached", "%d", s->attached > 1);
1.66 nicm 1031:
1.80 nicm 1032: format_add_cb(ft, "session_alerts", format_cb_session_alerts);
1.3 nicm 1033: }
1034:
1035: /* Set default format keys for a client. */
1036: void
1.57 nicm 1037: format_defaults_client(struct format_tree *ft, struct client *c)
1.3 nicm 1038: {
1.60 nicm 1039: struct session *s;
1.3 nicm 1040:
1.54 nicm 1041: if (ft->s == NULL)
1042: ft->s = c->session;
1043:
1.72 nicm 1044: format_add(ft, "client_pid", "%ld", (long) c->pid);
1.6 nicm 1045: format_add(ft, "client_height", "%u", c->tty.sy);
1046: format_add(ft, "client_width", "%u", c->tty.sx);
1.27 nicm 1047: if (c->tty.path != NULL)
1048: format_add(ft, "client_tty", "%s", c->tty.path);
1049: if (c->tty.termname != NULL)
1050: format_add(ft, "client_termname", "%s", c->tty.termname);
1.75 nicm 1051: format_add(ft, "client_control_mode", "%d",
1052: !!(c->flags & CLIENT_CONTROL));
1.3 nicm 1053:
1.87 nicm 1054: format_add_tv(ft, "client_created", &c->creation_time);
1055: format_add_tv(ft, "client_activity", &c->activity_time);
1.14 nicm 1056:
1.61 nicm 1057: if (strcmp(c->keytable->name, "root") == 0)
1058: format_add(ft, "client_prefix", "%d", 0);
1059: else
1060: format_add(ft, "client_prefix", "%d", 1);
1061: format_add(ft, "client_key_table", "%s", c->keytable->name);
1.3 nicm 1062:
1063: if (c->tty.flags & TTY_UTF8)
1064: format_add(ft, "client_utf8", "%d", 1);
1065: else
1066: format_add(ft, "client_utf8", "%d", 0);
1067:
1068: if (c->flags & CLIENT_READONLY)
1069: format_add(ft, "client_readonly", "%d", 1);
1070: else
1071: format_add(ft, "client_readonly", "%d", 0);
1.15 nicm 1072:
1073: s = c->session;
1074: if (s != NULL)
1075: format_add(ft, "client_session", "%s", s->name);
1076: s = c->last_session;
1077: if (s != NULL && session_alive(s))
1078: format_add(ft, "client_last_session", "%s", s->name);
1.1 nicm 1079: }
1080:
1.32 nicm 1081: /* Set default format keys for a window. */
1082: void
1.57 nicm 1083: format_defaults_window(struct format_tree *ft, struct window *w)
1.32 nicm 1084: {
1.54 nicm 1085: ft->w = w;
1086:
1.87 nicm 1087: format_add_tv(ft, "window_activity", &w->activity_time);
1.32 nicm 1088: format_add(ft, "window_id", "@%u", w->id);
1089: format_add(ft, "window_name", "%s", w->name);
1090: format_add(ft, "window_width", "%u", w->sx);
1091: format_add(ft, "window_height", "%u", w->sy);
1.80 nicm 1092: format_add_cb(ft, "window_layout", format_cb_window_layout);
1.96 nicm 1093: format_add_cb(ft, "window_visible_layout",
1094: format_cb_window_visible_layout);
1.32 nicm 1095: format_add(ft, "window_panes", "%u", window_count_panes(w));
1.59 nicm 1096: format_add(ft, "window_zoomed_flag", "%d",
1.53 nicm 1097: !!(w->flags & WINDOW_ZOOMED));
1.32 nicm 1098: }
1099:
1.1 nicm 1100: /* Set default format keys for a winlink. */
1101: void
1.57 nicm 1102: format_defaults_winlink(struct format_tree *ft, struct session *s,
1103: struct winlink *wl)
1.1 nicm 1104: {
1105: struct window *w = wl->window;
1.32 nicm 1106: char *flags;
1.1 nicm 1107:
1.54 nicm 1108: if (ft->w == NULL)
1109: ft->w = wl->window;
1110:
1.1 nicm 1111: flags = window_printable_flags(s, wl);
1112:
1.57 nicm 1113: format_defaults_window(ft, w);
1.32 nicm 1114:
1.1 nicm 1115: format_add(ft, "window_index", "%d", wl->idx);
1116: format_add(ft, "window_flags", "%s", flags);
1117: format_add(ft, "window_active", "%d", wl == s->curw);
1.29 nicm 1118:
1.59 nicm 1119: format_add(ft, "window_bell_flag", "%d",
1.29 nicm 1120: !!(wl->flags & WINLINK_BELL));
1.59 nicm 1121: format_add(ft, "window_activity_flag", "%d",
1.29 nicm 1122: !!(wl->flags & WINLINK_ACTIVITY));
1.59 nicm 1123: format_add(ft, "window_silence_flag", "%d",
1.29 nicm 1124: !!(wl->flags & WINLINK_SILENCE));
1.59 nicm 1125: format_add(ft, "window_last_flag", "%d",
1.49 nicm 1126: !!(wl == TAILQ_FIRST(&s->lastw)));
1.64 nicm 1127: format_add(ft, "window_linked", "%d", session_is_linked(s, wl->window));
1.32 nicm 1128:
1.9 nicm 1129: free(flags);
1.1 nicm 1130: }
1131:
1132: /* Set default format keys for a window pane. */
1133: void
1.57 nicm 1134: format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
1.1 nicm 1135: {
1.80 nicm 1136: struct grid *gd = wp->base.grid;
1137: u_int idx;
1.85 nicm 1138: int status, scroll_position;
1.54 nicm 1139:
1140: if (ft->w == NULL)
1141: ft->w = wp->window;
1.79 nicm 1142: ft->wp = wp;
1.1 nicm 1143:
1.16 nicm 1144: format_add(ft, "history_size", "%u", gd->hsize);
1145: format_add(ft, "history_limit", "%u", gd->hlimit);
1.80 nicm 1146: format_add_cb(ft, "history_bytes", format_cb_history_bytes);
1.1 nicm 1147:
1.4 nicm 1148: if (window_pane_index(wp, &idx) != 0)
1149: fatalx("index not found");
1.16 nicm 1150: format_add(ft, "pane_index", "%u", idx);
1.4 nicm 1151:
1.1 nicm 1152: format_add(ft, "pane_width", "%u", wp->sx);
1153: format_add(ft, "pane_height", "%u", wp->sy);
1154: format_add(ft, "pane_title", "%s", wp->base.title);
1155: format_add(ft, "pane_id", "%%%u", wp->id);
1156: format_add(ft, "pane_active", "%d", wp == wp->window->active);
1.55 nicm 1157: format_add(ft, "pane_input_off", "%d", !!(wp->flags & PANE_INPUTOFF));
1158:
1159: status = wp->status;
1160: if (wp->fd == -1 && WIFEXITED(status))
1161: format_add(ft, "pane_dead_status", "%d", WEXITSTATUS(status));
1.1 nicm 1162: format_add(ft, "pane_dead", "%d", wp->fd == -1);
1.47 nicm 1163:
1164: if (window_pane_visible(wp)) {
1165: format_add(ft, "pane_left", "%u", wp->xoff);
1166: format_add(ft, "pane_top", "%u", wp->yoff);
1167: format_add(ft, "pane_right", "%u", wp->xoff + wp->sx - 1);
1168: format_add(ft, "pane_bottom", "%u", wp->yoff + wp->sy - 1);
1169: }
1.16 nicm 1170:
1171: format_add(ft, "pane_in_mode", "%d", wp->screen != &wp->base);
1.26 nicm 1172: format_add(ft, "pane_synchronized", "%d",
1.90 nicm 1173: !!options_get_number(wp->window->options, "synchronize-panes"));
1.16 nicm 1174:
1.71 nicm 1175: format_add(ft, "pane_tty", "%s", wp->tty);
1.16 nicm 1176: format_add(ft, "pane_pid", "%ld", (long) wp->pid);
1.79 nicm 1177: format_add_cb(ft, "pane_start_command", format_cb_start_command);
1178: format_add_cb(ft, "pane_current_command", format_cb_current_command);
1.16 nicm 1179:
1.59 nicm 1180: format_add(ft, "cursor_x", "%u", wp->base.cx);
1181: format_add(ft, "cursor_y", "%u", wp->base.cy);
1182: format_add(ft, "scroll_region_upper", "%u", wp->base.rupper);
1183: format_add(ft, "scroll_region_lower", "%u", wp->base.rlower);
1.85 nicm 1184:
1185: scroll_position = window_copy_scroll_position(wp);
1186: if (scroll_position != -1)
1187: format_add(ft, "scroll_position", "%d", scroll_position);
1.16 nicm 1188:
1189: format_add(ft, "alternate_on", "%d", wp->saved_grid ? 1 : 0);
1.59 nicm 1190: format_add(ft, "alternate_saved_x", "%u", wp->saved_cx);
1191: format_add(ft, "alternate_saved_y", "%u", wp->saved_cy);
1.16 nicm 1192:
1193: format_add(ft, "cursor_flag", "%d",
1194: !!(wp->base.mode & MODE_CURSOR));
1195: format_add(ft, "insert_flag", "%d",
1196: !!(wp->base.mode & MODE_INSERT));
1197: format_add(ft, "keypad_cursor_flag", "%d",
1198: !!(wp->base.mode & MODE_KCURSOR));
1199: format_add(ft, "keypad_flag", "%d",
1200: !!(wp->base.mode & MODE_KKEYPAD));
1201: format_add(ft, "wrap_flag", "%d",
1202: !!(wp->base.mode & MODE_WRAP));
1203:
1.62 nicm 1204: format_add(ft, "mouse_any_flag", "%d",
1205: !!(wp->base.mode & (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON)));
1.16 nicm 1206: format_add(ft, "mouse_standard_flag", "%d",
1207: !!(wp->base.mode & MODE_MOUSE_STANDARD));
1208: format_add(ft, "mouse_button_flag", "%d",
1209: !!(wp->base.mode & MODE_MOUSE_BUTTON));
1.19 nicm 1210:
1.80 nicm 1211: format_add_cb(ft, "pane_tabs", format_cb_pane_tabs);
1.8 nicm 1212: }
1213:
1.19 nicm 1214: /* Set default format keys for paste buffer. */
1.8 nicm 1215: void
1.94 nicm 1216: format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
1.8 nicm 1217: {
1.81 nicm 1218: size_t bufsize;
1.42 nicm 1219: char *s;
1.8 nicm 1220:
1.81 nicm 1221: paste_buffer_data(pb, &bufsize);
1222: format_add(ft, "buffer_size", "%zu", bufsize);
1223: format_add(ft, "buffer_name", "%s", paste_buffer_name(pb));
1.8 nicm 1224:
1.94 nicm 1225: s = paste_make_sample(pb);
1.42 nicm 1226: format_add(ft, "buffer_sample", "%s", s);
1227: free(s);
1.1 nicm 1228: }
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