Annotation of src/usr.bin/tmux/cmd.c, Revision 1.102
1.102 ! nicm 1: /* $OpenBSD: cmd.c,v 1.101 2015/04/24 23:17:11 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 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>
20: #include <sys/time.h>
21:
1.5 nicm 22: #include <fnmatch.h>
23: #include <paths.h>
1.61 nicm 24: #include <pwd.h>
1.1 nicm 25: #include <stdlib.h>
26: #include <string.h>
27: #include <unistd.h>
28:
29: #include "tmux.h"
30:
31: const struct cmd_entry *cmd_table[] = {
32: &cmd_attach_session_entry,
33: &cmd_bind_key_entry,
34: &cmd_break_pane_entry,
1.34 nicm 35: &cmd_capture_pane_entry,
1.42 nicm 36: &cmd_choose_buffer_entry,
1.15 nicm 37: &cmd_choose_client_entry,
1.1 nicm 38: &cmd_choose_session_entry,
1.67 nicm 39: &cmd_choose_tree_entry,
1.1 nicm 40: &cmd_choose_window_entry,
41: &cmd_clear_history_entry,
42: &cmd_clock_mode_entry,
43: &cmd_command_prompt_entry,
44: &cmd_confirm_before_entry,
45: &cmd_copy_mode_entry,
46: &cmd_delete_buffer_entry,
47: &cmd_detach_client_entry,
1.7 nicm 48: &cmd_display_message_entry,
1.16 nicm 49: &cmd_display_panes_entry,
1.1 nicm 50: &cmd_find_window_entry,
51: &cmd_has_session_entry,
1.4 nicm 52: &cmd_if_shell_entry,
1.37 nicm 53: &cmd_join_pane_entry,
1.1 nicm 54: &cmd_kill_pane_entry,
55: &cmd_kill_server_entry,
56: &cmd_kill_session_entry,
57: &cmd_kill_window_entry,
1.45 nicm 58: &cmd_last_pane_entry,
1.1 nicm 59: &cmd_last_window_entry,
60: &cmd_link_window_entry,
61: &cmd_list_buffers_entry,
62: &cmd_list_clients_entry,
63: &cmd_list_commands_entry,
64: &cmd_list_keys_entry,
1.23 nicm 65: &cmd_list_panes_entry,
1.1 nicm 66: &cmd_list_sessions_entry,
67: &cmd_list_windows_entry,
68: &cmd_load_buffer_entry,
1.19 nicm 69: &cmd_lock_client_entry,
1.1 nicm 70: &cmd_lock_server_entry,
1.19 nicm 71: &cmd_lock_session_entry,
1.63 nicm 72: &cmd_move_pane_entry,
1.1 nicm 73: &cmd_move_window_entry,
74: &cmd_new_session_entry,
75: &cmd_new_window_entry,
76: &cmd_next_layout_entry,
77: &cmd_next_window_entry,
78: &cmd_paste_buffer_entry,
1.24 nicm 79: &cmd_pipe_pane_entry,
1.1 nicm 80: &cmd_previous_layout_entry,
81: &cmd_previous_window_entry,
82: &cmd_refresh_client_entry,
83: &cmd_rename_session_entry,
84: &cmd_rename_window_entry,
85: &cmd_resize_pane_entry,
1.56 nicm 86: &cmd_respawn_pane_entry,
1.1 nicm 87: &cmd_respawn_window_entry,
88: &cmd_rotate_window_entry,
1.17 nicm 89: &cmd_run_shell_entry,
1.1 nicm 90: &cmd_save_buffer_entry,
91: &cmd_select_layout_entry,
92: &cmd_select_pane_entry,
93: &cmd_select_window_entry,
94: &cmd_send_keys_entry,
95: &cmd_send_prefix_entry,
96: &cmd_server_info_entry,
97: &cmd_set_buffer_entry,
1.13 nicm 98: &cmd_set_environment_entry,
1.1 nicm 99: &cmd_set_option_entry,
100: &cmd_set_window_option_entry,
101: &cmd_show_buffer_entry,
1.13 nicm 102: &cmd_show_environment_entry,
1.32 nicm 103: &cmd_show_messages_entry,
1.1 nicm 104: &cmd_show_options_entry,
105: &cmd_show_window_options_entry,
106: &cmd_source_file_entry,
107: &cmd_split_window_entry,
108: &cmd_start_server_entry,
109: &cmd_suspend_client_entry,
110: &cmd_swap_pane_entry,
111: &cmd_swap_window_entry,
112: &cmd_switch_client_entry,
113: &cmd_unbind_key_entry,
114: &cmd_unlink_window_entry,
1.82 nicm 115: &cmd_wait_for_entry,
1.1 nicm 116: NULL
117: };
118:
1.101 nicm 119: ARRAY_DECL(client_list, struct client *);
120:
1.72 nicm 121: int cmd_session_better(struct session *, struct session *, int);
1.47 nicm 122: struct session *cmd_choose_session_list(struct sessionslist *);
1.52 nicm 123: struct session *cmd_choose_session(int);
1.101 nicm 124: struct client *cmd_choose_client(struct client_list *);
1.5 nicm 125: struct client *cmd_lookup_client(const char *);
1.97 nicm 126: struct session *cmd_lookup_session(struct cmd_q *, const char *, int *);
1.5 nicm 127: struct winlink *cmd_lookup_window(struct session *, const char *, int *);
1.8 nicm 128: int cmd_lookup_index(struct session *, const char *, int *);
1.60 nicm 129: struct winlink *cmd_lookup_winlink_windowid(struct session *, const char *);
1.80 nicm 130: struct session *cmd_window_session(struct cmd_q *, struct window *,
131: struct winlink **);
1.43 nicm 132: struct winlink *cmd_find_window_offset(const char *, struct session *, int *);
133: int cmd_find_index_offset(const char *, struct session *, int *);
1.51 nicm 134: struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
1.5 nicm 135:
1.10 nicm 136: int
137: cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
138: {
139: size_t arglen;
140: int i;
1.91 nicm 141:
142: if (argc == 0)
143: return (0);
1.10 nicm 144:
145: *buf = '\0';
146: for (i = 0; i < argc; i++) {
147: if (strlcpy(buf, argv[i], len) >= len)
148: return (-1);
149: arglen = strlen(argv[i]) + 1;
150: buf += arglen;
151: len -= arglen;
152: }
153:
154: return (0);
155: }
156:
157: int
158: cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
159: {
160: int i;
161: size_t arglen;
162:
163: if (argc == 0)
164: return (0);
165: *argv = xcalloc(argc, sizeof **argv);
166:
167: buf[len - 1] = '\0';
168: for (i = 0; i < argc; i++) {
169: if (len == 0) {
170: cmd_free_argv(argc, *argv);
171: return (-1);
172: }
173:
174: arglen = strlen(buf) + 1;
175: (*argv)[i] = xstrdup(buf);
176: buf += arglen;
177: len -= arglen;
178: }
179:
180: return (0);
1.46 nicm 181: }
182:
183: char **
1.93 nicm 184: cmd_copy_argv(int argc, char **argv)
1.46 nicm 185: {
186: char **new_argv;
187: int i;
188:
189: if (argc == 0)
190: return (NULL);
1.94 nicm 191: new_argv = xcalloc(argc + 1, sizeof *new_argv);
1.46 nicm 192: for (i = 0; i < argc; i++) {
193: if (argv[i] != NULL)
194: new_argv[i] = xstrdup(argv[i]);
195: }
196: return (new_argv);
1.10 nicm 197: }
198:
199: void
200: cmd_free_argv(int argc, char **argv)
201: {
202: int i;
203:
204: if (argc == 0)
1.35 nicm 205: return;
1.68 nicm 206: for (i = 0; i < argc; i++)
207: free(argv[i]);
208: free(argv);
1.94 nicm 209: }
210:
211: char *
212: cmd_stringify_argv(int argc, char **argv)
213: {
214: char *buf;
215: int i;
216: size_t len;
217:
218: if (argc == 0)
219: return (xstrdup(""));
220:
221: len = 0;
222: buf = NULL;
223:
224: for (i = 0; i < argc; i++) {
225: len += strlen(argv[i]) + 1;
1.98 nicm 226: buf = xrealloc(buf, len);
1.94 nicm 227:
228: if (i == 0)
229: *buf = '\0';
230: else
231: strlcat(buf, " ", len);
232: strlcat(buf, argv[i], len);
233: }
234: return (buf);
1.10 nicm 235: }
236:
1.1 nicm 237: struct cmd *
1.80 nicm 238: cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause)
1.1 nicm 239: {
240: const struct cmd_entry **entryp, *entry;
1.27 deraadt 241: struct cmd *cmd;
1.49 nicm 242: struct args *args;
1.1 nicm 243: char s[BUFSIZ];
1.49 nicm 244: int ambiguous = 0;
1.1 nicm 245:
246: *cause = NULL;
1.2 nicm 247: if (argc == 0) {
248: xasprintf(cause, "no command");
1.1 nicm 249: return (NULL);
1.2 nicm 250: }
1.1 nicm 251:
252: entry = NULL;
253: for (entryp = cmd_table; *entryp != NULL; entryp++) {
254: if ((*entryp)->alias != NULL &&
255: strcmp((*entryp)->alias, argv[0]) == 0) {
1.3 nicm 256: ambiguous = 0;
1.1 nicm 257: entry = *entryp;
258: break;
259: }
260:
261: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
262: continue;
263: if (entry != NULL)
1.3 nicm 264: ambiguous = 1;
1.1 nicm 265: entry = *entryp;
266:
267: /* Bail now if an exact match. */
268: if (strcmp(entry->name, argv[0]) == 0)
269: break;
270: }
1.3 nicm 271: if (ambiguous)
272: goto ambiguous;
1.1 nicm 273: if (entry == NULL) {
274: xasprintf(cause, "unknown command: %s", argv[0]);
275: return (NULL);
276: }
277:
1.49 nicm 278: args = args_parse(entry->args_template, argc, argv);
279: if (args == NULL)
280: goto usage;
281: if (entry->args_lower != -1 && args->argc < entry->args_lower)
282: goto usage;
283: if (entry->args_upper != -1 && args->argc > entry->args_upper)
284: goto usage;
1.1 nicm 285:
1.80 nicm 286: cmd = xcalloc(1, sizeof *cmd);
1.1 nicm 287: cmd->entry = entry;
1.49 nicm 288: cmd->args = args;
1.80 nicm 289:
290: if (file != NULL)
291: cmd->file = xstrdup(file);
292: cmd->line = line;
293:
1.1 nicm 294: return (cmd);
295:
296: ambiguous:
297: *s = '\0';
298: for (entryp = cmd_table; *entryp != NULL; entryp++) {
299: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
300: continue;
301: if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
302: break;
303: if (strlcat(s, ", ", sizeof s) >= sizeof s)
304: break;
305: }
306: s[strlen(s) - 2] = '\0';
307: xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
308: return (NULL);
309:
310: usage:
1.49 nicm 311: if (args != NULL)
312: args_free(args);
1.1 nicm 313: xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
314: return (NULL);
315: }
316:
317: size_t
318: cmd_print(struct cmd *cmd, char *buf, size_t len)
319: {
1.49 nicm 320: size_t off, used;
321:
322: off = xsnprintf(buf, len, "%s ", cmd->entry->name);
1.85 nicm 323: if (off + 1 < len) {
324: used = args_print(cmd->args, buf + off, len - off - 1);
1.49 nicm 325: if (used == 0)
1.64 nicm 326: off--;
327: else
1.49 nicm 328: off += used;
1.64 nicm 329: buf[off] = '\0';
1.49 nicm 330: }
331: return (off);
1.1 nicm 332: }
333:
1.5 nicm 334: /*
335: * Figure out the current session. Use: 1) the current session, if the command
1.31 nicm 336: * context has one; 2) the most recently used session containing the pty of the
337: * calling client, if any; 3) the session specified in the TMUX variable from
338: * the environment (as passed from the client); 4) the most recently used
339: * session from all sessions.
1.5 nicm 340: */
1.1 nicm 341: struct session *
1.80 nicm 342: cmd_current_session(struct cmd_q *cmdq, int prefer_unattached)
1.1 nicm 343: {
1.80 nicm 344: struct client *c = cmdq->client;
1.5 nicm 345: struct session *s;
1.47 nicm 346: struct sessionslist ss;
1.11 nicm 347: struct winlink *wl;
348: struct window_pane *wp;
1.80 nicm 349: const char *path;
1.11 nicm 350: int found;
1.1 nicm 351:
1.99 nicm 352: /* Try the queue session. */
1.80 nicm 353: if (c != NULL && c->session != NULL)
354: return (c->session);
1.1 nicm 355:
1.11 nicm 356: /*
1.81 nicm 357: * If the name of the calling client's pty is known, build a list of
358: * the sessions that contain it and if any choose either the first or
359: * the newest.
1.11 nicm 360: */
1.80 nicm 361: path = c == NULL ? NULL : c->tty.path;
362: if (path != NULL) {
1.11 nicm 363: ARRAY_INIT(&ss);
1.47 nicm 364: RB_FOREACH(s, sessions, &sessions) {
1.11 nicm 365: found = 0;
366: RB_FOREACH(wl, winlinks, &s->windows) {
367: TAILQ_FOREACH(wp, &wl->window->panes, entry) {
1.80 nicm 368: if (strcmp(wp->tty, path) == 0) {
1.11 nicm 369: found = 1;
370: break;
371: }
372: }
373: if (found)
374: break;
375: }
376: if (found)
377: ARRAY_ADD(&ss, s);
378: }
379:
1.47 nicm 380: s = cmd_choose_session_list(&ss);
1.11 nicm 381: ARRAY_FREE(&ss);
1.47 nicm 382: if (s != NULL)
383: return (s);
384: }
385:
1.52 nicm 386: return (cmd_choose_session(prefer_unattached));
1.47 nicm 387: }
388:
1.72 nicm 389: /* Is this session better? */
390: int
391: cmd_session_better(struct session *s, struct session *best,
392: int prefer_unattached)
393: {
394: if (best == NULL)
1.74 nicm 395: return (1);
1.72 nicm 396: if (prefer_unattached) {
397: if (!(best->flags & SESSION_UNATTACHED) &&
398: (s->flags & SESSION_UNATTACHED))
1.74 nicm 399: return (1);
1.72 nicm 400: else if ((best->flags & SESSION_UNATTACHED) &&
401: !(s->flags & SESSION_UNATTACHED))
1.74 nicm 402: return (0);
1.72 nicm 403: }
404: return (timercmp(&s->activity_time, &best->activity_time, >));
405: }
406:
1.52 nicm 407: /*
408: * Find the most recently used session, preferring unattached if the flag is
409: * set.
410: */
1.47 nicm 411: struct session *
1.52 nicm 412: cmd_choose_session(int prefer_unattached)
1.47 nicm 413: {
1.72 nicm 414: struct session *s, *best;
1.47 nicm 415:
1.72 nicm 416: best = NULL;
1.47 nicm 417: RB_FOREACH(s, sessions, &sessions) {
1.72 nicm 418: if (cmd_session_better(s, best, prefer_unattached))
419: best = s;
1.47 nicm 420: }
1.72 nicm 421: return (best);
1.5 nicm 422: }
423:
1.31 nicm 424: /* Find the most recently used session from a list. */
1.5 nicm 425: struct session *
1.47 nicm 426: cmd_choose_session_list(struct sessionslist *ss)
1.5 nicm 427: {
1.31 nicm 428: struct session *s, *sbest;
1.5 nicm 429: struct timeval *tv = NULL;
430: u_int i;
431:
1.31 nicm 432: sbest = NULL;
1.11 nicm 433: for (i = 0; i < ARRAY_LENGTH(ss); i++) {
434: if ((s = ARRAY_ITEM(ss, i)) == NULL)
1.5 nicm 435: continue;
436:
1.31 nicm 437: if (tv == NULL || timercmp(&s->activity_time, tv, >)) {
438: sbest = s;
439: tv = &s->activity_time;
1.1 nicm 440: }
441: }
1.5 nicm 442:
1.31 nicm 443: return (sbest);
1.1 nicm 444: }
445:
1.30 nicm 446: /*
447: * Find the current client. First try the current client if set, then pick the
1.31 nicm 448: * most recently used of the clients attached to the current session if any,
449: * then of all clients.
1.30 nicm 450: */
451: struct client *
1.80 nicm 452: cmd_current_client(struct cmd_q *cmdq)
1.30 nicm 453: {
454: struct session *s;
455: struct client *c;
1.101 nicm 456: struct client_list cc;
1.30 nicm 457:
1.80 nicm 458: if (cmdq->client != NULL && cmdq->client->session != NULL)
459: return (cmdq->client);
1.30 nicm 460:
461: /*
462: * No current client set. Find the current session and return the
463: * newest of its clients.
464: */
1.80 nicm 465: s = cmd_current_session(cmdq, 0);
1.30 nicm 466: if (s != NULL && !(s->flags & SESSION_UNATTACHED)) {
467: ARRAY_INIT(&cc);
1.101 nicm 468: TAILQ_FOREACH(c, &clients, entry) {
1.30 nicm 469: if (s == c->session)
470: ARRAY_ADD(&cc, c);
471: }
472:
1.31 nicm 473: c = cmd_choose_client(&cc);
1.30 nicm 474: ARRAY_FREE(&cc);
475: if (c != NULL)
476: return (c);
477: }
478:
1.101 nicm 479: ARRAY_INIT(&cc);
480: TAILQ_FOREACH(c, &clients, entry)
481: ARRAY_ADD(&cc, c);
482: c = cmd_choose_client(&cc);
483: ARRAY_FREE(&cc);
484: return (c);
1.30 nicm 485: }
486:
1.31 nicm 487: /* Choose the most recently used client from a list. */
1.20 nicm 488: struct client *
1.101 nicm 489: cmd_choose_client(struct client_list *cc)
1.20 nicm 490: {
1.31 nicm 491: struct client *c, *cbest;
1.20 nicm 492: struct timeval *tv = NULL;
493: u_int i;
494:
1.31 nicm 495: cbest = NULL;
1.30 nicm 496: for (i = 0; i < ARRAY_LENGTH(cc); i++) {
497: if ((c = ARRAY_ITEM(cc, i)) == NULL)
1.20 nicm 498: continue;
499: if (c->session == NULL)
500: continue;
501:
1.31 nicm 502: if (tv == NULL || timercmp(&c->activity_time, tv, >)) {
503: cbest = c;
504: tv = &c->activity_time;
1.20 nicm 505: }
506: }
507:
1.31 nicm 508: return (cbest);
1.20 nicm 509: }
510:
1.99 nicm 511: /* Adjust current mouse position for a pane. */
512: int
513: cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp,
514: u_int *yp, int last)
515: {
516: u_int x, y;
517:
518: if (last) {
519: x = m->lx;
520: y = m->ly;
521: } else {
522: x = m->x;
523: y = m->y;
524: }
525:
526: if (m->statusat == 0 && y > 0)
527: y--;
528: else if (m->statusat > 0 && y >= (u_int)m->statusat)
529: y = m->statusat - 1;
530:
531: if (x < wp->xoff || x >= wp->xoff + wp->sx)
532: return (-1);
533: if (y < wp->yoff || y >= wp->yoff + wp->sy)
534: return (-1);
535:
536: *xp = x - wp->xoff;
537: *yp = y - wp->yoff;
538: return (0);
539: }
540:
541: /* Get current mouse window if any. */
542: struct winlink *
543: cmd_mouse_window(struct mouse_event *m, struct session **sp)
544: {
545: struct session *s;
546: struct window *w;
547:
548: if (!m->valid || m->s == -1 || m->w == -1)
549: return (NULL);
550: if ((s = session_find_by_id(m->s)) == NULL)
551: return (NULL);
552: if ((w = window_find_by_id(m->w)) == NULL)
553: return (NULL);
554:
555: if (sp != NULL)
556: *sp = s;
557: return (winlink_find_by_window(&s->windows, w));
558: }
559:
560: /* Get current mouse pane if any. */
561: struct window_pane *
562: cmd_mouse_pane(struct mouse_event *m, struct session **sp, struct winlink **wlp)
563: {
564: struct winlink *wl;
565: struct window_pane *wp;
566:
567: if ((wl = cmd_mouse_window(m, sp)) == NULL)
568: return (NULL);
569: if ((wp = window_pane_find_by_id(m->wp)) == NULL)
570: return (NULL);
571: if (!window_has_pane(wl->window, wp))
572: return (NULL);
573:
574: if (wlp != NULL)
575: *wlp = wl;
576: return (wp);
577: }
578:
1.5 nicm 579: /* Find the target client or report an error and return NULL. */
1.1 nicm 580: struct client *
1.80 nicm 581: cmd_find_client(struct cmd_q *cmdq, const char *arg, int quiet)
1.1 nicm 582: {
1.30 nicm 583: struct client *c;
1.5 nicm 584: char *tmparg;
585: size_t arglen;
1.1 nicm 586:
1.5 nicm 587: /* A NULL argument means the current client. */
1.79 nicm 588: if (arg == NULL) {
1.80 nicm 589: c = cmd_current_client(cmdq);
1.79 nicm 590: if (c == NULL && !quiet)
1.80 nicm 591: cmdq_error(cmdq, "no clients");
1.79 nicm 592: return (c);
593: }
1.5 nicm 594: tmparg = xstrdup(arg);
595:
596: /* Trim a single trailing colon if any. */
597: arglen = strlen(tmparg);
598: if (arglen != 0 && tmparg[arglen - 1] == ':')
599: tmparg[arglen - 1] = '\0';
600:
601: /* Find the client, if any. */
602: c = cmd_lookup_client(tmparg);
603:
604: /* If no client found, report an error. */
1.79 nicm 605: if (c == NULL && !quiet)
1.80 nicm 606: cmdq_error(cmdq, "client not found: %s", tmparg);
1.5 nicm 607:
1.68 nicm 608: free(tmparg);
1.5 nicm 609: return (c);
610: }
611:
612: /*
613: * Lookup a client by device path. Either of a full match and a match without a
614: * leading _PATH_DEV ("/dev/") is accepted.
615: */
616: struct client *
617: cmd_lookup_client(const char *name)
618: {
619: struct client *c;
620: const char *path;
621:
1.101 nicm 622: TAILQ_FOREACH(c, &clients, entry) {
623: if (c->session == NULL || c->tty.path == NULL)
1.5 nicm 624: continue;
625: path = c->tty.path;
626:
627: /* Check for exact matches. */
628: if (strcmp(name, path) == 0)
629: return (c);
630:
631: /* Check without leading /dev if present. */
632: if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
633: continue;
634: if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0)
635: return (c);
636: }
637:
638: return (NULL);
639: }
640:
641: /* Lookup a session by name. If no session is found, NULL is returned. */
642: struct session *
1.97 nicm 643: cmd_lookup_session(struct cmd_q *cmdq, const char *name, int *ambiguous)
1.5 nicm 644: {
1.97 nicm 645: struct session *s, *sfound;
646: struct window *w;
647: struct window_pane *wp;
1.5 nicm 648:
649: *ambiguous = 0;
1.83 nicm 650:
651: /* Look for $id first. */
1.102 ! nicm 652: if ((s = session_find_by_id_str(name)) != NULL)
1.83 nicm 653: return (s);
1.5 nicm 654:
1.97 nicm 655: /* Try as pane or window id. */
1.102 ! nicm 656: if ((wp = window_pane_find_by_id_str(name)) != NULL)
1.97 nicm 657: return (cmd_window_session(cmdq, wp->window, NULL));
1.102 ! nicm 658: if ((w = window_find_by_id_str(name)) != NULL)
1.97 nicm 659: return (cmd_window_session(cmdq, w, NULL));
660:
1.5 nicm 661: /*
1.28 nicm 662: * Look for matches. First look for exact matches - session names must
663: * be unique so an exact match can't be ambigious and can just be
664: * returned.
1.5 nicm 665: */
1.47 nicm 666: if ((s = session_find(name)) != NULL)
667: return (s);
1.28 nicm 668:
669: /*
670: * Otherwise look for partial matches, returning early if it is found to
671: * be ambiguous.
672: */
673: sfound = NULL;
1.47 nicm 674: RB_FOREACH(s, sessions, &sessions) {
1.5 nicm 675: if (strncmp(name, s->name, strlen(name)) == 0 ||
676: fnmatch(name, s->name, 0) == 0) {
677: if (sfound != NULL) {
678: *ambiguous = 1;
679: return (NULL);
680: }
681: sfound = s;
682: }
683: }
1.35 nicm 684: return (sfound);
1.5 nicm 685: }
686:
687: /*
1.8 nicm 688: * Lookup a window or return -1 if not found or ambigious. First try as an
689: * index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
1.41 nicm 690: * idx if the window index is a valid number but there is no window with that
1.8 nicm 691: * index.
1.5 nicm 692: */
693: struct winlink *
694: cmd_lookup_window(struct session *s, const char *name, int *ambiguous)
695: {
1.97 nicm 696: struct winlink *wl, *wlfound;
697: struct window *w;
698: struct window_pane *wp;
699: const char *errstr;
700: u_int idx;
1.5 nicm 701:
702: *ambiguous = 0;
703:
1.97 nicm 704: /* Try as pane or window id. */
1.60 nicm 705: if ((wl = cmd_lookup_winlink_windowid(s, name)) != NULL)
706: return (wl);
707:
1.97 nicm 708: /* Lookup as pane or window id. */
1.102 ! nicm 709: if ((wp = window_pane_find_by_id_str(name)) != NULL) {
1.97 nicm 710: wl = winlink_find_by_window(&s->windows, wp->window);
711: if (wl != NULL)
712: return (wl);
713: }
1.102 ! nicm 714: if ((w = window_find_by_id_str(name)) != NULL) {
1.97 nicm 715: wl = winlink_find_by_window(&s->windows, w);
716: if (wl != NULL)
717: return (wl);
718: }
719:
1.5 nicm 720: /* First see if this is a valid window index in this session. */
721: idx = strtonum(name, 0, INT_MAX, &errstr);
722: if (errstr == NULL) {
723: if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL)
724: return (wl);
725: }
1.35 nicm 726:
1.5 nicm 727: /* Look for exact matches, error if more than one. */
728: wlfound = NULL;
729: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 730: if (strcmp(name, wl->window->name) == 0) {
1.5 nicm 731: if (wlfound != NULL) {
732: *ambiguous = 1;
733: return (NULL);
734: }
735: wlfound = wl;
1.1 nicm 736: }
737: }
1.5 nicm 738: if (wlfound != NULL)
739: return (wlfound);
740:
741: /* Now look for pattern matches, again error if multiple. */
742: wlfound = NULL;
743: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 744: if (strncmp(name, wl->window->name, strlen(name)) == 0 ||
745: fnmatch(name, wl->window->name, 0) == 0) {
1.5 nicm 746: if (wlfound != NULL) {
747: *ambiguous = 1;
748: return (NULL);
749: }
750: wlfound = wl;
751: }
1.35 nicm 752: }
1.5 nicm 753: if (wlfound != NULL)
754: return (wlfound);
755:
756: return (NULL);
1.1 nicm 757: }
758:
1.8 nicm 759: /*
760: * Find a window index - if the window doesn't exist, check if it is a
761: * potential index and return it anyway.
762: */
763: int
764: cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
765: {
766: struct winlink *wl;
767: const char *errstr;
768: u_int idx;
769:
1.100 nicm 770: idx = strtonum(name, 0, INT_MAX, &errstr);
771: if (errstr == NULL)
772: return (idx);
773:
1.8 nicm 774: if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL)
775: return (wl->idx);
776: if (*ambiguous)
777: return (-1);
778:
779: return (-1);
780: }
781:
1.60 nicm 782: /* Lookup window id in a session. An initial @ means a window id. */
783: struct winlink *
784: cmd_lookup_winlink_windowid(struct session *s, const char *arg)
785: {
786: const char *errstr;
787: u_int windowid;
788:
789: if (*arg != '@')
790: return (NULL);
791:
792: windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
793: if (errstr != NULL)
794: return (NULL);
795: return (winlink_find_by_window_id(&s->windows, windowid));
796: }
797:
798: /* Find session and winlink for window. */
1.51 nicm 799: struct session *
1.80 nicm 800: cmd_window_session(struct cmd_q *cmdq, struct window *w, struct winlink **wlp)
1.51 nicm 801: {
802: struct session *s;
803: struct sessionslist ss;
804: struct winlink *wl;
805:
1.60 nicm 806: /* If this window is in the current session, return that winlink. */
1.80 nicm 807: s = cmd_current_session(cmdq, 0);
1.51 nicm 808: if (s != NULL) {
1.60 nicm 809: wl = winlink_find_by_window(&s->windows, w);
1.51 nicm 810: if (wl != NULL) {
811: if (wlp != NULL)
812: *wlp = wl;
813: return (s);
814: }
815: }
816:
1.60 nicm 817: /* Otherwise choose from all sessions with this window. */
1.51 nicm 818: ARRAY_INIT(&ss);
819: RB_FOREACH(s, sessions, &sessions) {
1.60 nicm 820: if (winlink_find_by_window(&s->windows, w) != NULL)
1.51 nicm 821: ARRAY_ADD(&ss, s);
822: }
823: s = cmd_choose_session_list(&ss);
824: ARRAY_FREE(&ss);
825: if (wlp != NULL)
1.60 nicm 826: *wlp = winlink_find_by_window(&s->windows, w);
1.51 nicm 827: return (s);
828: }
829:
1.5 nicm 830: /* Find the target session or report an error and return NULL. */
1.1 nicm 831: struct session *
1.80 nicm 832: cmd_find_session(struct cmd_q *cmdq, const char *arg, int prefer_unattached)
1.1 nicm 833: {
1.97 nicm 834: struct session *s;
835: struct client *c;
836: char *tmparg;
837: size_t arglen;
838: int ambiguous;
1.1 nicm 839:
1.5 nicm 840: /* A NULL argument means the current session. */
1.95 nicm 841: if (arg == NULL) {
842: if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL)
843: cmdq_error(cmdq, "can't establish current session");
844: return (s);
845: }
1.5 nicm 846:
847: /* Trim a single trailing colon if any. */
1.54 nicm 848: tmparg = xstrdup(arg);
1.5 nicm 849: arglen = strlen(tmparg);
850: if (arglen != 0 && tmparg[arglen - 1] == ':')
851: tmparg[arglen - 1] = '\0';
852:
1.53 nicm 853: /* An empty session name is the current session. */
854: if (*tmparg == '\0') {
1.68 nicm 855: free(tmparg);
1.95 nicm 856: if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL)
857: cmdq_error(cmdq, "can't establish current session");
858: return (s);
1.53 nicm 859: }
860:
1.5 nicm 861: /* Find the session, if any. */
1.97 nicm 862: s = cmd_lookup_session(cmdq, tmparg, &ambiguous);
1.5 nicm 863:
864: /* If it doesn't, try to match it as a client. */
865: if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL)
866: s = c->session;
867:
868: /* If no session found, report an error. */
869: if (s == NULL) {
870: if (ambiguous)
1.80 nicm 871: cmdq_error(cmdq, "more than one session: %s", tmparg);
1.5 nicm 872: else
1.80 nicm 873: cmdq_error(cmdq, "session not found: %s", tmparg);
1.1 nicm 874: }
1.5 nicm 875:
1.68 nicm 876: free(tmparg);
1.1 nicm 877: return (s);
878: }
879:
1.5 nicm 880: /* Find the target session and window or report an error and return NULL. */
1.1 nicm 881: struct winlink *
1.80 nicm 882: cmd_find_window(struct cmd_q *cmdq, const char *arg, struct session **sp)
1.1 nicm 883: {
1.97 nicm 884: struct session *s;
885: struct winlink *wl;
886: const char *winptr;
887: char *sessptr = NULL;
888: int ambiguous = 0;
1.5 nicm 889:
890: /*
891: * Find the current session. There must always be a current session, if
892: * it can't be found, report an error.
893: */
1.80 nicm 894: if ((s = cmd_current_session(cmdq, 0)) == NULL) {
895: cmdq_error(cmdq, "can't establish current session");
1.5 nicm 896: return (NULL);
897: }
898:
899: /* A NULL argument means the current session and window. */
900: if (arg == NULL) {
901: if (sp != NULL)
902: *sp = s;
903: return (s->curw);
904: }
905:
906: /* Time to look at the argument. If it is empty, that is an error. */
907: if (*arg == '\0')
908: goto not_found;
909:
1.8 nicm 910: /* Find the separating colon and split into window and session. */
1.5 nicm 911: winptr = strchr(arg, ':');
912: if (winptr == NULL)
1.8 nicm 913: goto no_colon;
914: winptr++; /* skip : */
915: sessptr = xstrdup(arg);
916: *strchr(sessptr, ':') = '\0';
1.5 nicm 917:
918: /* Try to lookup the session if present. */
1.8 nicm 919: if (*sessptr != '\0') {
1.97 nicm 920: if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL)
1.5 nicm 921: goto no_session;
922: }
923: if (sp != NULL)
924: *sp = s;
925:
926: /*
927: * Then work out the window. An empty string is the current window,
1.38 nicm 928: * otherwise try special cases then to look it up in the session.
1.5 nicm 929: */
1.8 nicm 930: if (*winptr == '\0')
1.5 nicm 931: wl = s->curw;
1.38 nicm 932: else if (winptr[0] == '!' && winptr[1] == '\0')
933: wl = TAILQ_FIRST(&s->lastw);
1.73 nicm 934: else if (winptr[0] == '^' && winptr[1] == '\0')
935: wl = RB_MIN(winlinks, &s->windows);
936: else if (winptr[0] == '$' && winptr[1] == '\0')
937: wl = RB_MAX(winlinks, &s->windows);
1.43 nicm 938: else if (winptr[0] == '+' || winptr[0] == '-')
939: wl = cmd_find_window_offset(winptr, s, &ambiguous);
940: else
1.38 nicm 941: wl = cmd_lookup_window(s, winptr, &ambiguous);
942: if (wl == NULL)
1.5 nicm 943: goto not_found;
1.35 nicm 944:
1.5 nicm 945: if (sessptr != NULL)
1.68 nicm 946: free(sessptr);
1.5 nicm 947: return (wl);
948:
1.8 nicm 949: no_colon:
1.38 nicm 950: /*
951: * No colon in the string, first try special cases, then as a window
952: * and lastly as a session.
953: */
1.99 nicm 954: if (arg[0] == '=' && arg[1] == '\0') {
955: if ((wl = cmd_mouse_window(&cmdq->item->mouse, &s)) == NULL) {
956: cmdq_error(cmdq, "no mouse target");
957: goto error;
958: }
959: } else if (arg[0] == '!' && arg[1] == '\0') {
1.38 nicm 960: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
961: goto not_found;
1.41 nicm 962: } else if (arg[0] == '+' || arg[0] == '-') {
1.43 nicm 963: if ((wl = cmd_find_window_offset(arg, s, &ambiguous)) == NULL)
1.41 nicm 964: goto lookup_session;
965: } else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL)
966: goto lookup_session;
1.8 nicm 967:
968: if (sp != NULL)
969: *sp = s;
970:
971: return (wl);
972:
1.41 nicm 973: lookup_session:
974: if (ambiguous)
975: goto not_found;
1.97 nicm 976: if (*arg != '\0' &&
977: (s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL)
1.41 nicm 978: goto no_session;
979:
980: if (sp != NULL)
981: *sp = s;
982:
983: return (s->curw);
984:
1.5 nicm 985: no_session:
986: if (ambiguous)
1.80 nicm 987: cmdq_error(cmdq, "multiple sessions: %s", arg);
1.5 nicm 988: else
1.80 nicm 989: cmdq_error(cmdq, "session not found: %s", arg);
1.99 nicm 990: goto error;
1.5 nicm 991:
992: not_found:
993: if (ambiguous)
1.80 nicm 994: cmdq_error(cmdq, "multiple windows: %s", arg);
1.5 nicm 995: else
1.80 nicm 996: cmdq_error(cmdq, "window not found: %s", arg);
1.99 nicm 997: goto error;
998:
999: error:
1.68 nicm 1000: free(sessptr);
1.5 nicm 1001: return (NULL);
1002: }
1.1 nicm 1003:
1.43 nicm 1004: struct winlink *
1005: cmd_find_window_offset(const char *winptr, struct session *s, int *ambiguous)
1006: {
1007: struct winlink *wl;
1008: int offset = 1;
1009:
1010: if (winptr[1] != '\0')
1011: offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
1012: if (offset == 0)
1013: wl = cmd_lookup_window(s, winptr, ambiguous);
1014: else {
1015: if (winptr[0] == '+')
1016: wl = winlink_next_by_number(s->curw, s, offset);
1017: else
1018: wl = winlink_previous_by_number(s->curw, s, offset);
1019: }
1020:
1021: return (wl);
1022: }
1023:
1.5 nicm 1024: /*
1025: * Find the target session and window index, whether or not it exists in the
1026: * session. Return -2 on error or -1 if no window index is specified. This is
1.8 nicm 1027: * used when parsing an argument for a window target that may not exist (for
1028: * example if it is going to be created).
1.5 nicm 1029: */
1030: int
1.80 nicm 1031: cmd_find_index(struct cmd_q *cmdq, const char *arg, struct session **sp)
1.5 nicm 1032: {
1033: struct session *s;
1.38 nicm 1034: struct winlink *wl;
1.8 nicm 1035: const char *winptr;
1.5 nicm 1036: char *sessptr = NULL;
1037: int idx, ambiguous = 0;
1038:
1039: /*
1040: * Find the current session. There must always be a current session, if
1041: * it can't be found, report an error.
1042: */
1.80 nicm 1043: if ((s = cmd_current_session(cmdq, 0)) == NULL) {
1044: cmdq_error(cmdq, "can't establish current session");
1.9 nicm 1045: return (-2);
1.1 nicm 1046: }
1.5 nicm 1047:
1048: /* A NULL argument means the current session and "no window" (-1). */
1049: if (arg == NULL) {
1050: if (sp != NULL)
1051: *sp = s;
1052: return (-1);
1053: }
1054:
1055: /* Time to look at the argument. If it is empty, that is an error. */
1056: if (*arg == '\0')
1057: goto not_found;
1058:
1059: /* Find the separating colon. If none, assume the current session. */
1060: winptr = strchr(arg, ':');
1061: if (winptr == NULL)
1.8 nicm 1062: goto no_colon;
1063: winptr++; /* skip : */
1064: sessptr = xstrdup(arg);
1065: *strchr(sessptr, ':') = '\0';
1.5 nicm 1066:
1067: /* Try to lookup the session if present. */
1068: if (sessptr != NULL && *sessptr != '\0') {
1.97 nicm 1069: if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL)
1.5 nicm 1070: goto no_session;
1071: }
1.1 nicm 1072: if (sp != NULL)
1073: *sp = s;
1074:
1.5 nicm 1075: /*
1.8 nicm 1076: * Then work out the window. An empty string is a new window otherwise
1077: * try to look it up in the session.
1.5 nicm 1078: */
1.8 nicm 1079: if (*winptr == '\0')
1.38 nicm 1080: idx = -1;
1081: else if (winptr[0] == '!' && winptr[1] == '\0') {
1082: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
1083: goto not_found;
1084: idx = wl->idx;
1.41 nicm 1085: } else if (winptr[0] == '+' || winptr[0] == '-') {
1.43 nicm 1086: if ((idx = cmd_find_index_offset(winptr, s, &ambiguous)) < 0)
1.41 nicm 1087: goto invalid_index;
1088: } else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1)
1089: goto invalid_index;
1.35 nicm 1090:
1.68 nicm 1091: free(sessptr);
1.5 nicm 1092: return (idx);
1093:
1.8 nicm 1094: no_colon:
1.38 nicm 1095: /*
1096: * No colon in the string, first try special cases, then as a window
1097: * and lastly as a session.
1098: */
1099: if (arg[0] == '!' && arg[1] == '\0') {
1100: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
1101: goto not_found;
1102: idx = wl->idx;
1.41 nicm 1103: } else if (arg[0] == '+' || arg[0] == '-') {
1.43 nicm 1104: if ((idx = cmd_find_index_offset(arg, s, &ambiguous)) < 0)
1.41 nicm 1105: goto lookup_session;
1106: } else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1)
1107: goto lookup_session;
1.8 nicm 1108:
1109: if (sp != NULL)
1110: *sp = s;
1111:
1112: return (idx);
1113:
1.41 nicm 1114: lookup_session:
1115: if (ambiguous)
1116: goto not_found;
1.97 nicm 1117: if (*arg != '\0' &&
1118: (s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL)
1.41 nicm 1119: goto no_session;
1120:
1121: if (sp != NULL)
1122: *sp = s;
1123:
1124: return (-1);
1125:
1.5 nicm 1126: no_session:
1127: if (ambiguous)
1.80 nicm 1128: cmdq_error(cmdq, "multiple sessions: %s", arg);
1.5 nicm 1129: else
1.80 nicm 1130: cmdq_error(cmdq, "session not found: %s", arg);
1.68 nicm 1131: free(sessptr);
1.5 nicm 1132: return (-2);
1133:
1.41 nicm 1134: invalid_index:
1135: if (ambiguous)
1136: goto not_found;
1.80 nicm 1137: cmdq_error(cmdq, "invalid index: %s", arg);
1.41 nicm 1138:
1.68 nicm 1139: free(sessptr);
1.41 nicm 1140: return (-2);
1141:
1.5 nicm 1142: not_found:
1143: if (ambiguous)
1.80 nicm 1144: cmdq_error(cmdq, "multiple windows: %s", arg);
1.1 nicm 1145: else
1.80 nicm 1146: cmdq_error(cmdq, "window not found: %s", arg);
1.68 nicm 1147: free(sessptr);
1.5 nicm 1148: return (-2);
1.12 nicm 1149: }
1150:
1.43 nicm 1151: int
1152: cmd_find_index_offset(const char *winptr, struct session *s, int *ambiguous)
1153: {
1154: int idx, offset = 1;
1155:
1156: if (winptr[1] != '\0')
1157: offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
1158: if (offset == 0)
1159: idx = cmd_lookup_index(s, winptr, ambiguous);
1160: else {
1161: if (winptr[0] == '+') {
1162: if (s->curw->idx == INT_MAX)
1163: idx = cmd_lookup_index(s, winptr, ambiguous);
1164: else
1165: idx = s->curw->idx + offset;
1166: } else {
1167: if (s->curw->idx == 0)
1168: idx = cmd_lookup_index(s, winptr, ambiguous);
1169: else
1170: idx = s->curw->idx - offset;
1171: }
1172: }
1173:
1174: return (idx);
1175: }
1176:
1.12 nicm 1177: /*
1178: * Find the target session, window and pane number or report an error and
1179: * return NULL. The pane number is separated from the session:window by a .,
1180: * such as mysession:mywindow.0.
1181: */
1182: struct winlink *
1.80 nicm 1183: cmd_find_pane(struct cmd_q *cmdq,
1.12 nicm 1184: const char *arg, struct session **sp, struct window_pane **wpp)
1185: {
1.55 nicm 1186: struct session *s;
1187: struct winlink *wl;
1188: const char *period, *errstr;
1189: char *winptr, *paneptr;
1190: u_int idx;
1.12 nicm 1191:
1192: /* Get the current session. */
1.80 nicm 1193: if ((s = cmd_current_session(cmdq, 0)) == NULL) {
1194: cmdq_error(cmdq, "can't establish current session");
1.12 nicm 1195: return (NULL);
1196: }
1197: if (sp != NULL)
1198: *sp = s;
1199:
1200: /* A NULL argument means the current session, window and pane. */
1201: if (arg == NULL) {
1202: *wpp = s->curw->window->active;
1203: return (s->curw);
1.51 nicm 1204: }
1205:
1206: /* Lookup as pane id. */
1.102 ! nicm 1207: if ((*wpp = window_pane_find_by_id_str(arg)) != NULL) {
1.80 nicm 1208: s = cmd_window_session(cmdq, (*wpp)->window, &wl);
1.51 nicm 1209: if (sp != NULL)
1210: *sp = s;
1211: return (wl);
1.12 nicm 1212: }
1213:
1214: /* Look for a separating period. */
1215: if ((period = strrchr(arg, '.')) == NULL)
1216: goto no_period;
1217:
1218: /* Pull out the window part and parse it. */
1219: winptr = xstrdup(arg);
1220: winptr[period - arg] = '\0';
1221: if (*winptr == '\0')
1222: wl = s->curw;
1.80 nicm 1223: else if ((wl = cmd_find_window(cmdq, winptr, sp)) == NULL)
1.12 nicm 1224: goto error;
1225:
1226: /* Find the pane section and look it up. */
1227: paneptr = winptr + (period - arg) + 1;
1228: if (*paneptr == '\0')
1229: *wpp = wl->window->active;
1.43 nicm 1230: else if (paneptr[0] == '+' || paneptr[0] == '-')
1231: *wpp = cmd_find_pane_offset(paneptr, wl);
1.96 nicm 1232: else if (paneptr[0] == '!' && paneptr[1] == '\0') {
1233: if (wl->window->last == NULL) {
1234: cmdq_error(cmdq, "no last pane");
1235: goto error;
1236: }
1237: *wpp = wl->window->last;
1238: } else {
1.12 nicm 1239: idx = strtonum(paneptr, 0, INT_MAX, &errstr);
1.36 nicm 1240: if (errstr != NULL)
1241: goto lookup_string;
1.12 nicm 1242: *wpp = window_pane_at_index(wl->window, idx);
1.36 nicm 1243: if (*wpp == NULL)
1244: goto lookup_string;
1.12 nicm 1245: }
1246:
1.68 nicm 1247: free(winptr);
1.12 nicm 1248: return (wl);
1249:
1.36 nicm 1250: lookup_string:
1251: /* Try pane string description. */
1.55 nicm 1252: if ((*wpp = window_find_string(wl->window, paneptr)) == NULL) {
1.80 nicm 1253: cmdq_error(cmdq, "can't find pane: %s", paneptr);
1.36 nicm 1254: goto error;
1255: }
1256:
1.68 nicm 1257: free(winptr);
1.39 nicm 1258: return (wl);
1.36 nicm 1259:
1.12 nicm 1260: no_period:
1.99 nicm 1261: /* Check mouse event. */
1262: if (arg[0] == '=' && arg[1] == '\0') {
1263: *wpp = cmd_mouse_pane(&cmdq->item->mouse, &s, &wl);
1264: if (*wpp == NULL) {
1265: cmdq_error(cmdq, "no mouse target");
1266: return (NULL);
1267: }
1268: if (sp != NULL)
1269: *sp = s;
1270: return (wl);
1271: }
1272:
1.12 nicm 1273: /* Try as a pane number alone. */
1274: idx = strtonum(arg, 0, INT_MAX, &errstr);
1275: if (errstr != NULL)
1276: goto lookup_window;
1277:
1278: /* Try index in the current session and window. */
1279: if ((*wpp = window_pane_at_index(s->curw->window, idx)) == NULL)
1280: goto lookup_window;
1.35 nicm 1281:
1.12 nicm 1282: return (s->curw);
1283:
1284: lookup_window:
1.36 nicm 1285: /* Try pane string description. */
1.55 nicm 1286: if ((*wpp = window_find_string(s->curw->window, arg)) != NULL)
1.36 nicm 1287: return (s->curw);
1288:
1.12 nicm 1289: /* Try as a window and use the active pane. */
1.80 nicm 1290: if ((wl = cmd_find_window(cmdq, arg, sp)) != NULL)
1.12 nicm 1291: *wpp = wl->window->active;
1292: return (wl);
1.35 nicm 1293:
1.12 nicm 1294: error:
1.68 nicm 1295: free(winptr);
1.12 nicm 1296: return (NULL);
1.43 nicm 1297: }
1298:
1299: struct window_pane *
1300: cmd_find_pane_offset(const char *paneptr, struct winlink *wl)
1301: {
1302: struct window *w = wl->window;
1303: struct window_pane *wp = w->active;
1304: u_int offset = 1;
1305:
1306: if (paneptr[1] != '\0')
1307: offset = strtonum(paneptr + 1, 1, INT_MAX, NULL);
1308: if (offset > 0) {
1309: if (paneptr[0] == '+')
1310: wp = window_pane_next_by_number(w, wp, offset);
1311: else
1312: wp = window_pane_previous_by_number(w, wp, offset);
1313: }
1314:
1315: return (wp);
1.15 nicm 1316: }
1317:
1318: /* Replace the first %% or %idx in template by s. */
1319: char *
1.75 nicm 1320: cmd_template_replace(const char *template, const char *s, int idx)
1.15 nicm 1321: {
1.75 nicm 1322: char ch, *buf;
1323: const char *ptr;
1.84 nicm 1324: int replaced;
1325: size_t len;
1.15 nicm 1326:
1.76 nicm 1327: if (strchr(template, '%') == NULL)
1.15 nicm 1328: return (xstrdup(template));
1329:
1330: buf = xmalloc(1);
1331: *buf = '\0';
1332: len = 0;
1333: replaced = 0;
1334:
1335: ptr = template;
1336: while (*ptr != '\0') {
1337: switch (ch = *ptr++) {
1338: case '%':
1339: if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) {
1340: if (*ptr != '%' || replaced)
1341: break;
1342: replaced = 1;
1343: }
1344: ptr++;
1345:
1346: len += strlen(s);
1.98 nicm 1347: buf = xrealloc(buf, len + 1);
1.15 nicm 1348: strlcat(buf, s, len + 1);
1349: continue;
1350: }
1.98 nicm 1351: buf = xrealloc(buf, len + 2);
1.15 nicm 1352: buf[len++] = ch;
1353: buf[len] = '\0';
1354: }
1355:
1356: return (buf);
1.1 nicm 1357: }
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