Annotation of src/usr.bin/tmux/cmd.c, Revision 1.98
1.98 ! nicm 1: /* $OpenBSD: cmd.c,v 1.97 2014/09/25 12:51:40 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:
1.72 nicm 119: int cmd_session_better(struct session *, struct session *, int);
1.47 nicm 120: struct session *cmd_choose_session_list(struct sessionslist *);
1.52 nicm 121: struct session *cmd_choose_session(int);
1.31 nicm 122: struct client *cmd_choose_client(struct clients *);
1.5 nicm 123: struct client *cmd_lookup_client(const char *);
1.97 nicm 124: struct session *cmd_lookup_session(struct cmd_q *, const char *, int *);
1.83 nicm 125: struct session *cmd_lookup_session_id(const char *);
1.5 nicm 126: struct winlink *cmd_lookup_window(struct session *, const char *, int *);
1.8 nicm 127: int cmd_lookup_index(struct session *, const char *, int *);
1.60 nicm 128: struct winlink *cmd_lookup_winlink_windowid(struct session *, const char *);
1.80 nicm 129: struct session *cmd_window_session(struct cmd_q *, struct window *,
130: struct winlink **);
1.43 nicm 131: struct winlink *cmd_find_window_offset(const char *, struct session *, int *);
132: int cmd_find_index_offset(const char *, struct session *, int *);
1.51 nicm 133: struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
1.5 nicm 134:
1.10 nicm 135: int
136: cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
137: {
138: size_t arglen;
139: int i;
1.91 nicm 140:
141: if (argc == 0)
142: return (0);
1.10 nicm 143:
144: *buf = '\0';
145: for (i = 0; i < argc; i++) {
146: if (strlcpy(buf, argv[i], len) >= len)
147: return (-1);
148: arglen = strlen(argv[i]) + 1;
149: buf += arglen;
150: len -= arglen;
151: }
152:
153: return (0);
154: }
155:
156: int
157: cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
158: {
159: int i;
160: size_t arglen;
161:
162: if (argc == 0)
163: return (0);
164: *argv = xcalloc(argc, sizeof **argv);
165:
166: buf[len - 1] = '\0';
167: for (i = 0; i < argc; i++) {
168: if (len == 0) {
169: cmd_free_argv(argc, *argv);
170: return (-1);
171: }
172:
173: arglen = strlen(buf) + 1;
174: (*argv)[i] = xstrdup(buf);
175: buf += arglen;
176: len -= arglen;
177: }
178:
179: return (0);
1.46 nicm 180: }
181:
182: char **
1.93 nicm 183: cmd_copy_argv(int argc, char **argv)
1.46 nicm 184: {
185: char **new_argv;
186: int i;
187:
188: if (argc == 0)
189: return (NULL);
1.94 nicm 190: new_argv = xcalloc(argc + 1, sizeof *new_argv);
1.46 nicm 191: for (i = 0; i < argc; i++) {
192: if (argv[i] != NULL)
193: new_argv[i] = xstrdup(argv[i]);
194: }
195: return (new_argv);
1.10 nicm 196: }
197:
198: void
199: cmd_free_argv(int argc, char **argv)
200: {
201: int i;
202:
203: if (argc == 0)
1.35 nicm 204: return;
1.68 nicm 205: for (i = 0; i < argc; i++)
206: free(argv[i]);
207: free(argv);
1.94 nicm 208: }
209:
210: char *
211: cmd_stringify_argv(int argc, char **argv)
212: {
213: char *buf;
214: int i;
215: size_t len;
216:
217: if (argc == 0)
218: return (xstrdup(""));
219:
220: len = 0;
221: buf = NULL;
222:
223: for (i = 0; i < argc; i++) {
224: len += strlen(argv[i]) + 1;
1.98 ! nicm 225: buf = xrealloc(buf, len);
1.94 nicm 226:
227: if (i == 0)
228: *buf = '\0';
229: else
230: strlcat(buf, " ", len);
231: strlcat(buf, argv[i], len);
232: }
233: return (buf);
1.10 nicm 234: }
235:
1.1 nicm 236: struct cmd *
1.80 nicm 237: cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause)
1.1 nicm 238: {
239: const struct cmd_entry **entryp, *entry;
1.27 deraadt 240: struct cmd *cmd;
1.49 nicm 241: struct args *args;
1.1 nicm 242: char s[BUFSIZ];
1.49 nicm 243: int ambiguous = 0;
1.1 nicm 244:
245: *cause = NULL;
1.2 nicm 246: if (argc == 0) {
247: xasprintf(cause, "no command");
1.1 nicm 248: return (NULL);
1.2 nicm 249: }
1.1 nicm 250:
251: entry = NULL;
252: for (entryp = cmd_table; *entryp != NULL; entryp++) {
253: if ((*entryp)->alias != NULL &&
254: strcmp((*entryp)->alias, argv[0]) == 0) {
1.3 nicm 255: ambiguous = 0;
1.1 nicm 256: entry = *entryp;
257: break;
258: }
259:
260: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
261: continue;
262: if (entry != NULL)
1.3 nicm 263: ambiguous = 1;
1.1 nicm 264: entry = *entryp;
265:
266: /* Bail now if an exact match. */
267: if (strcmp(entry->name, argv[0]) == 0)
268: break;
269: }
1.3 nicm 270: if (ambiguous)
271: goto ambiguous;
1.1 nicm 272: if (entry == NULL) {
273: xasprintf(cause, "unknown command: %s", argv[0]);
274: return (NULL);
275: }
276:
1.49 nicm 277: args = args_parse(entry->args_template, argc, argv);
278: if (args == NULL)
279: goto usage;
280: if (entry->args_lower != -1 && args->argc < entry->args_lower)
281: goto usage;
282: if (entry->args_upper != -1 && args->argc > entry->args_upper)
283: goto usage;
1.1 nicm 284:
1.80 nicm 285: cmd = xcalloc(1, sizeof *cmd);
1.1 nicm 286: cmd->entry = entry;
1.49 nicm 287: cmd->args = args;
1.80 nicm 288:
289: if (file != NULL)
290: cmd->file = xstrdup(file);
291: cmd->line = line;
292:
1.1 nicm 293: return (cmd);
294:
295: ambiguous:
296: *s = '\0';
297: for (entryp = cmd_table; *entryp != NULL; entryp++) {
298: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
299: continue;
300: if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
301: break;
302: if (strlcat(s, ", ", sizeof s) >= sizeof s)
303: break;
304: }
305: s[strlen(s) - 2] = '\0';
306: xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
307: return (NULL);
308:
309: usage:
1.49 nicm 310: if (args != NULL)
311: args_free(args);
1.1 nicm 312: xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
313: return (NULL);
314: }
315:
316: size_t
317: cmd_print(struct cmd *cmd, char *buf, size_t len)
318: {
1.49 nicm 319: size_t off, used;
320:
321: off = xsnprintf(buf, len, "%s ", cmd->entry->name);
1.85 nicm 322: if (off + 1 < len) {
323: used = args_print(cmd->args, buf + off, len - off - 1);
1.49 nicm 324: if (used == 0)
1.64 nicm 325: off--;
326: else
1.49 nicm 327: off += used;
1.64 nicm 328: buf[off] = '\0';
1.49 nicm 329: }
330: return (off);
1.1 nicm 331: }
332:
1.5 nicm 333: /*
334: * Figure out the current session. Use: 1) the current session, if the command
1.31 nicm 335: * context has one; 2) the most recently used session containing the pty of the
336: * calling client, if any; 3) the session specified in the TMUX variable from
337: * the environment (as passed from the client); 4) the most recently used
338: * session from all sessions.
1.5 nicm 339: */
1.1 nicm 340: struct session *
1.80 nicm 341: cmd_current_session(struct cmd_q *cmdq, int prefer_unattached)
1.1 nicm 342: {
1.80 nicm 343: struct client *c = cmdq->client;
1.5 nicm 344: struct session *s;
1.47 nicm 345: struct sessionslist ss;
1.11 nicm 346: struct winlink *wl;
347: struct window_pane *wp;
1.80 nicm 348: const char *path;
1.11 nicm 349: int found;
1.1 nicm 350:
1.80 nicm 351: if (c != NULL && c->session != NULL)
352: return (c->session);
1.1 nicm 353:
1.11 nicm 354: /*
1.81 nicm 355: * If the name of the calling client's pty is known, build a list of
356: * the sessions that contain it and if any choose either the first or
357: * the newest.
1.11 nicm 358: */
1.80 nicm 359: path = c == NULL ? NULL : c->tty.path;
360: if (path != NULL) {
1.11 nicm 361: ARRAY_INIT(&ss);
1.47 nicm 362: RB_FOREACH(s, sessions, &sessions) {
1.11 nicm 363: found = 0;
364: RB_FOREACH(wl, winlinks, &s->windows) {
365: TAILQ_FOREACH(wp, &wl->window->panes, entry) {
1.80 nicm 366: if (strcmp(wp->tty, path) == 0) {
1.11 nicm 367: found = 1;
368: break;
369: }
370: }
371: if (found)
372: break;
373: }
374: if (found)
375: ARRAY_ADD(&ss, s);
376: }
377:
1.47 nicm 378: s = cmd_choose_session_list(&ss);
1.11 nicm 379: ARRAY_FREE(&ss);
1.47 nicm 380: if (s != NULL)
381: return (s);
382: }
383:
1.52 nicm 384: return (cmd_choose_session(prefer_unattached));
1.47 nicm 385: }
386:
1.72 nicm 387: /* Is this session better? */
388: int
389: cmd_session_better(struct session *s, struct session *best,
390: int prefer_unattached)
391: {
392: if (best == NULL)
1.74 nicm 393: return (1);
1.72 nicm 394: if (prefer_unattached) {
395: if (!(best->flags & SESSION_UNATTACHED) &&
396: (s->flags & SESSION_UNATTACHED))
1.74 nicm 397: return (1);
1.72 nicm 398: else if ((best->flags & SESSION_UNATTACHED) &&
399: !(s->flags & SESSION_UNATTACHED))
1.74 nicm 400: return (0);
1.72 nicm 401: }
402: return (timercmp(&s->activity_time, &best->activity_time, >));
403: }
404:
1.52 nicm 405: /*
406: * Find the most recently used session, preferring unattached if the flag is
407: * set.
408: */
1.47 nicm 409: struct session *
1.52 nicm 410: cmd_choose_session(int prefer_unattached)
1.47 nicm 411: {
1.72 nicm 412: struct session *s, *best;
1.47 nicm 413:
1.72 nicm 414: best = NULL;
1.47 nicm 415: RB_FOREACH(s, sessions, &sessions) {
1.72 nicm 416: if (cmd_session_better(s, best, prefer_unattached))
417: best = s;
1.47 nicm 418: }
1.72 nicm 419: return (best);
1.5 nicm 420: }
421:
1.31 nicm 422: /* Find the most recently used session from a list. */
1.5 nicm 423: struct session *
1.47 nicm 424: cmd_choose_session_list(struct sessionslist *ss)
1.5 nicm 425: {
1.31 nicm 426: struct session *s, *sbest;
1.5 nicm 427: struct timeval *tv = NULL;
428: u_int i;
429:
1.31 nicm 430: sbest = NULL;
1.11 nicm 431: for (i = 0; i < ARRAY_LENGTH(ss); i++) {
432: if ((s = ARRAY_ITEM(ss, i)) == NULL)
1.5 nicm 433: continue;
434:
1.31 nicm 435: if (tv == NULL || timercmp(&s->activity_time, tv, >)) {
436: sbest = s;
437: tv = &s->activity_time;
1.1 nicm 438: }
439: }
1.5 nicm 440:
1.31 nicm 441: return (sbest);
1.1 nicm 442: }
443:
1.30 nicm 444: /*
445: * Find the current client. First try the current client if set, then pick the
1.31 nicm 446: * most recently used of the clients attached to the current session if any,
447: * then of all clients.
1.30 nicm 448: */
449: struct client *
1.80 nicm 450: cmd_current_client(struct cmd_q *cmdq)
1.30 nicm 451: {
452: struct session *s;
453: struct client *c;
454: struct clients cc;
455: u_int i;
456:
1.80 nicm 457: if (cmdq->client != NULL && cmdq->client->session != NULL)
458: return (cmdq->client);
1.30 nicm 459:
460: /*
461: * No current client set. Find the current session and return the
462: * newest of its clients.
463: */
1.80 nicm 464: s = cmd_current_session(cmdq, 0);
1.30 nicm 465: if (s != NULL && !(s->flags & SESSION_UNATTACHED)) {
466: ARRAY_INIT(&cc);
467: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
468: if ((c = ARRAY_ITEM(&clients, i)) == NULL)
469: continue;
470: if (s == c->session)
471: ARRAY_ADD(&cc, c);
472: }
473:
1.31 nicm 474: c = cmd_choose_client(&cc);
1.30 nicm 475: ARRAY_FREE(&cc);
476: if (c != NULL)
477: return (c);
478: }
479:
1.31 nicm 480: return (cmd_choose_client(&clients));
1.30 nicm 481: }
482:
1.31 nicm 483: /* Choose the most recently used client from a list. */
1.20 nicm 484: struct client *
1.31 nicm 485: cmd_choose_client(struct clients *cc)
1.20 nicm 486: {
1.31 nicm 487: struct client *c, *cbest;
1.20 nicm 488: struct timeval *tv = NULL;
489: u_int i;
490:
1.31 nicm 491: cbest = NULL;
1.30 nicm 492: for (i = 0; i < ARRAY_LENGTH(cc); i++) {
493: if ((c = ARRAY_ITEM(cc, i)) == NULL)
1.20 nicm 494: continue;
495: if (c->session == NULL)
496: continue;
497:
1.31 nicm 498: if (tv == NULL || timercmp(&c->activity_time, tv, >)) {
499: cbest = c;
500: tv = &c->activity_time;
1.20 nicm 501: }
502: }
503:
1.31 nicm 504: return (cbest);
1.20 nicm 505: }
506:
1.5 nicm 507: /* Find the target client or report an error and return NULL. */
1.1 nicm 508: struct client *
1.80 nicm 509: cmd_find_client(struct cmd_q *cmdq, const char *arg, int quiet)
1.1 nicm 510: {
1.30 nicm 511: struct client *c;
1.5 nicm 512: char *tmparg;
513: size_t arglen;
1.1 nicm 514:
1.5 nicm 515: /* A NULL argument means the current client. */
1.79 nicm 516: if (arg == NULL) {
1.80 nicm 517: c = cmd_current_client(cmdq);
1.79 nicm 518: if (c == NULL && !quiet)
1.80 nicm 519: cmdq_error(cmdq, "no clients");
1.79 nicm 520: return (c);
521: }
1.5 nicm 522: tmparg = xstrdup(arg);
523:
524: /* Trim a single trailing colon if any. */
525: arglen = strlen(tmparg);
526: if (arglen != 0 && tmparg[arglen - 1] == ':')
527: tmparg[arglen - 1] = '\0';
528:
529: /* Find the client, if any. */
530: c = cmd_lookup_client(tmparg);
531:
532: /* If no client found, report an error. */
1.79 nicm 533: if (c == NULL && !quiet)
1.80 nicm 534: cmdq_error(cmdq, "client not found: %s", tmparg);
1.5 nicm 535:
1.68 nicm 536: free(tmparg);
1.5 nicm 537: return (c);
538: }
539:
540: /*
541: * Lookup a client by device path. Either of a full match and a match without a
542: * leading _PATH_DEV ("/dev/") is accepted.
543: */
544: struct client *
545: cmd_lookup_client(const char *name)
546: {
547: struct client *c;
548: const char *path;
549: u_int i;
550:
551: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
1.25 nicm 552: c = ARRAY_ITEM(&clients, i);
1.81 nicm 553: if (c == NULL || c->session == NULL || c->tty.path == NULL)
1.5 nicm 554: continue;
555: path = c->tty.path;
556:
557: /* Check for exact matches. */
558: if (strcmp(name, path) == 0)
559: return (c);
560:
561: /* Check without leading /dev if present. */
562: if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
563: continue;
564: if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0)
565: return (c);
566: }
567:
568: return (NULL);
569: }
570:
1.83 nicm 571: /* Find the target session or report an error and return NULL. */
572: struct session *
573: cmd_lookup_session_id(const char *arg)
574: {
575: char *endptr;
576: long id;
577:
578: if (arg[0] != '$')
579: return (NULL);
580: id = strtol(arg + 1, &endptr, 10);
581: if (arg[1] != '\0' && *endptr == '\0')
582: return (session_find_by_id(id));
583: return (NULL);
584: }
585:
1.5 nicm 586: /* Lookup a session by name. If no session is found, NULL is returned. */
587: struct session *
1.97 nicm 588: cmd_lookup_session(struct cmd_q *cmdq, const char *name, int *ambiguous)
1.5 nicm 589: {
1.97 nicm 590: struct session *s, *sfound;
591: struct window *w;
592: struct window_pane *wp;
1.5 nicm 593:
594: *ambiguous = 0;
1.83 nicm 595:
596: /* Look for $id first. */
597: if ((s = cmd_lookup_session_id(name)) != NULL)
598: return (s);
1.5 nicm 599:
1.97 nicm 600: /* Try as pane or window id. */
601: if ((wp = cmd_lookup_paneid(name)) != NULL)
602: return (cmd_window_session(cmdq, wp->window, NULL));
603: if ((w = cmd_lookup_windowid(name)) != NULL)
604: return (cmd_window_session(cmdq, w, NULL));
605:
1.5 nicm 606: /*
1.28 nicm 607: * Look for matches. First look for exact matches - session names must
608: * be unique so an exact match can't be ambigious and can just be
609: * returned.
1.5 nicm 610: */
1.47 nicm 611: if ((s = session_find(name)) != NULL)
612: return (s);
1.28 nicm 613:
614: /*
615: * Otherwise look for partial matches, returning early if it is found to
616: * be ambiguous.
617: */
618: sfound = NULL;
1.47 nicm 619: RB_FOREACH(s, sessions, &sessions) {
1.5 nicm 620: if (strncmp(name, s->name, strlen(name)) == 0 ||
621: fnmatch(name, s->name, 0) == 0) {
622: if (sfound != NULL) {
623: *ambiguous = 1;
624: return (NULL);
625: }
626: sfound = s;
627: }
628: }
1.35 nicm 629: return (sfound);
1.5 nicm 630: }
631:
632: /*
1.8 nicm 633: * Lookup a window or return -1 if not found or ambigious. First try as an
634: * index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
1.41 nicm 635: * idx if the window index is a valid number but there is no window with that
1.8 nicm 636: * index.
1.5 nicm 637: */
638: struct winlink *
639: cmd_lookup_window(struct session *s, const char *name, int *ambiguous)
640: {
1.97 nicm 641: struct winlink *wl, *wlfound;
642: struct window *w;
643: struct window_pane *wp;
644: const char *errstr;
645: u_int idx;
1.5 nicm 646:
647: *ambiguous = 0;
648:
1.97 nicm 649: /* Try as pane or window id. */
1.60 nicm 650: if ((wl = cmd_lookup_winlink_windowid(s, name)) != NULL)
651: return (wl);
652:
1.97 nicm 653: /* Lookup as pane or window id. */
654: if ((wp = cmd_lookup_paneid(name)) != NULL) {
655: wl = winlink_find_by_window(&s->windows, wp->window);
656: if (wl != NULL)
657: return (wl);
658: }
659: if ((w = cmd_lookup_windowid(name)) != NULL) {
660: wl = winlink_find_by_window(&s->windows, w);
661: if (wl != NULL)
662: return (wl);
663: }
664:
1.5 nicm 665: /* First see if this is a valid window index in this session. */
666: idx = strtonum(name, 0, INT_MAX, &errstr);
667: if (errstr == NULL) {
668: if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL)
669: return (wl);
670: }
1.35 nicm 671:
1.5 nicm 672: /* Look for exact matches, error if more than one. */
673: wlfound = NULL;
674: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 675: if (strcmp(name, wl->window->name) == 0) {
1.5 nicm 676: if (wlfound != NULL) {
677: *ambiguous = 1;
678: return (NULL);
679: }
680: wlfound = wl;
1.1 nicm 681: }
682: }
1.5 nicm 683: if (wlfound != NULL)
684: return (wlfound);
685:
686: /* Now look for pattern matches, again error if multiple. */
687: wlfound = NULL;
688: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 689: if (strncmp(name, wl->window->name, strlen(name)) == 0 ||
690: fnmatch(name, wl->window->name, 0) == 0) {
1.5 nicm 691: if (wlfound != NULL) {
692: *ambiguous = 1;
693: return (NULL);
694: }
695: wlfound = wl;
696: }
1.35 nicm 697: }
1.5 nicm 698: if (wlfound != NULL)
699: return (wlfound);
700:
701: return (NULL);
1.1 nicm 702: }
703:
1.8 nicm 704: /*
705: * Find a window index - if the window doesn't exist, check if it is a
706: * potential index and return it anyway.
707: */
708: int
709: cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
710: {
711: struct winlink *wl;
712: const char *errstr;
713: u_int idx;
714:
715: if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL)
716: return (wl->idx);
717: if (*ambiguous)
718: return (-1);
719:
720: idx = strtonum(name, 0, INT_MAX, &errstr);
721: if (errstr == NULL)
722: return (idx);
723:
724: return (-1);
725: }
726:
1.60 nicm 727: /* Lookup pane id. An initial % means a pane id. */
1.51 nicm 728: struct window_pane *
729: cmd_lookup_paneid(const char *arg)
730: {
731: const char *errstr;
732: u_int paneid;
733:
734: if (*arg != '%')
735: return (NULL);
736:
737: paneid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
738: if (errstr != NULL)
739: return (NULL);
740: return (window_pane_find_by_id(paneid));
741: }
742:
1.60 nicm 743: /* Lookup window id in a session. An initial @ means a window id. */
744: struct winlink *
745: cmd_lookup_winlink_windowid(struct session *s, const char *arg)
746: {
747: const char *errstr;
748: u_int windowid;
749:
750: if (*arg != '@')
751: return (NULL);
752:
753: windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
754: if (errstr != NULL)
755: return (NULL);
756: return (winlink_find_by_window_id(&s->windows, windowid));
757: }
758:
759: /* Lookup window id. An initial @ means a window id. */
760: struct window *
761: cmd_lookup_windowid(const char *arg)
762: {
763: const char *errstr;
764: u_int windowid;
765:
766: if (*arg != '@')
767: return (NULL);
768:
769: windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
770: if (errstr != NULL)
771: return (NULL);
772: return (window_find_by_id(windowid));
773: }
774:
775: /* Find session and winlink for window. */
1.51 nicm 776: struct session *
1.80 nicm 777: cmd_window_session(struct cmd_q *cmdq, struct window *w, struct winlink **wlp)
1.51 nicm 778: {
779: struct session *s;
780: struct sessionslist ss;
781: struct winlink *wl;
782:
1.60 nicm 783: /* If this window is in the current session, return that winlink. */
1.80 nicm 784: s = cmd_current_session(cmdq, 0);
1.51 nicm 785: if (s != NULL) {
1.60 nicm 786: wl = winlink_find_by_window(&s->windows, w);
1.51 nicm 787: if (wl != NULL) {
788: if (wlp != NULL)
789: *wlp = wl;
790: return (s);
791: }
792: }
793:
1.60 nicm 794: /* Otherwise choose from all sessions with this window. */
1.51 nicm 795: ARRAY_INIT(&ss);
796: RB_FOREACH(s, sessions, &sessions) {
1.60 nicm 797: if (winlink_find_by_window(&s->windows, w) != NULL)
1.51 nicm 798: ARRAY_ADD(&ss, s);
799: }
800: s = cmd_choose_session_list(&ss);
801: ARRAY_FREE(&ss);
802: if (wlp != NULL)
1.60 nicm 803: *wlp = winlink_find_by_window(&s->windows, w);
1.51 nicm 804: return (s);
805: }
806:
1.5 nicm 807: /* Find the target session or report an error and return NULL. */
1.1 nicm 808: struct session *
1.80 nicm 809: cmd_find_session(struct cmd_q *cmdq, const char *arg, int prefer_unattached)
1.1 nicm 810: {
1.97 nicm 811: struct session *s;
812: struct client *c;
813: char *tmparg;
814: size_t arglen;
815: int ambiguous;
1.1 nicm 816:
1.5 nicm 817: /* A NULL argument means the current session. */
1.95 nicm 818: if (arg == NULL) {
819: if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL)
820: cmdq_error(cmdq, "can't establish current session");
821: return (s);
822: }
1.5 nicm 823:
824: /* Trim a single trailing colon if any. */
1.54 nicm 825: tmparg = xstrdup(arg);
1.5 nicm 826: arglen = strlen(tmparg);
827: if (arglen != 0 && tmparg[arglen - 1] == ':')
828: tmparg[arglen - 1] = '\0';
829:
1.53 nicm 830: /* An empty session name is the current session. */
831: if (*tmparg == '\0') {
1.68 nicm 832: free(tmparg);
1.95 nicm 833: if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL)
834: cmdq_error(cmdq, "can't establish current session");
835: return (s);
1.53 nicm 836: }
837:
1.5 nicm 838: /* Find the session, if any. */
1.97 nicm 839: s = cmd_lookup_session(cmdq, tmparg, &ambiguous);
1.5 nicm 840:
841: /* If it doesn't, try to match it as a client. */
842: if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL)
843: s = c->session;
844:
845: /* If no session found, report an error. */
846: if (s == NULL) {
847: if (ambiguous)
1.80 nicm 848: cmdq_error(cmdq, "more than one session: %s", tmparg);
1.5 nicm 849: else
1.80 nicm 850: cmdq_error(cmdq, "session not found: %s", tmparg);
1.1 nicm 851: }
1.5 nicm 852:
1.68 nicm 853: free(tmparg);
1.1 nicm 854: return (s);
855: }
856:
1.5 nicm 857: /* Find the target session and window or report an error and return NULL. */
1.1 nicm 858: struct winlink *
1.80 nicm 859: cmd_find_window(struct cmd_q *cmdq, const char *arg, struct session **sp)
1.1 nicm 860: {
1.97 nicm 861: struct session *s;
862: struct winlink *wl;
863: const char *winptr;
864: char *sessptr = NULL;
865: int ambiguous = 0;
1.5 nicm 866:
867: /*
868: * Find the current session. There must always be a current session, if
869: * it can't be found, report an error.
870: */
1.80 nicm 871: if ((s = cmd_current_session(cmdq, 0)) == NULL) {
872: cmdq_error(cmdq, "can't establish current session");
1.5 nicm 873: return (NULL);
874: }
875:
876: /* A NULL argument means the current session and window. */
877: if (arg == NULL) {
878: if (sp != NULL)
879: *sp = s;
880: return (s->curw);
881: }
882:
883: /* Time to look at the argument. If it is empty, that is an error. */
884: if (*arg == '\0')
885: goto not_found;
886:
1.8 nicm 887: /* Find the separating colon and split into window and session. */
1.5 nicm 888: winptr = strchr(arg, ':');
889: if (winptr == NULL)
1.8 nicm 890: goto no_colon;
891: winptr++; /* skip : */
892: sessptr = xstrdup(arg);
893: *strchr(sessptr, ':') = '\0';
1.5 nicm 894:
895: /* Try to lookup the session if present. */
1.8 nicm 896: if (*sessptr != '\0') {
1.97 nicm 897: if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL)
1.5 nicm 898: goto no_session;
899: }
900: if (sp != NULL)
901: *sp = s;
902:
903: /*
904: * Then work out the window. An empty string is the current window,
1.38 nicm 905: * otherwise try special cases then to look it up in the session.
1.5 nicm 906: */
1.8 nicm 907: if (*winptr == '\0')
1.5 nicm 908: wl = s->curw;
1.38 nicm 909: else if (winptr[0] == '!' && winptr[1] == '\0')
910: wl = TAILQ_FIRST(&s->lastw);
1.73 nicm 911: else if (winptr[0] == '^' && winptr[1] == '\0')
912: wl = RB_MIN(winlinks, &s->windows);
913: else if (winptr[0] == '$' && winptr[1] == '\0')
914: wl = RB_MAX(winlinks, &s->windows);
1.43 nicm 915: else if (winptr[0] == '+' || winptr[0] == '-')
916: wl = cmd_find_window_offset(winptr, s, &ambiguous);
917: else
1.38 nicm 918: wl = cmd_lookup_window(s, winptr, &ambiguous);
919: if (wl == NULL)
1.5 nicm 920: goto not_found;
1.35 nicm 921:
1.5 nicm 922: if (sessptr != NULL)
1.68 nicm 923: free(sessptr);
1.5 nicm 924: return (wl);
925:
1.8 nicm 926: no_colon:
1.38 nicm 927: /*
928: * No colon in the string, first try special cases, then as a window
929: * and lastly as a session.
930: */
931: if (arg[0] == '!' && arg[1] == '\0') {
932: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
933: goto not_found;
1.41 nicm 934: } else if (arg[0] == '+' || arg[0] == '-') {
1.43 nicm 935: if ((wl = cmd_find_window_offset(arg, s, &ambiguous)) == NULL)
1.41 nicm 936: goto lookup_session;
937: } else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL)
938: goto lookup_session;
1.8 nicm 939:
940: if (sp != NULL)
941: *sp = s;
942:
943: return (wl);
944:
1.41 nicm 945: lookup_session:
946: if (ambiguous)
947: goto not_found;
1.97 nicm 948: if (*arg != '\0' &&
949: (s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL)
1.41 nicm 950: goto no_session;
951:
952: if (sp != NULL)
953: *sp = s;
954:
955: return (s->curw);
956:
1.5 nicm 957: no_session:
958: if (ambiguous)
1.80 nicm 959: cmdq_error(cmdq, "multiple sessions: %s", arg);
1.5 nicm 960: else
1.80 nicm 961: cmdq_error(cmdq, "session not found: %s", arg);
1.68 nicm 962: free(sessptr);
1.5 nicm 963: return (NULL);
964:
965: not_found:
966: if (ambiguous)
1.80 nicm 967: cmdq_error(cmdq, "multiple windows: %s", arg);
1.5 nicm 968: else
1.80 nicm 969: cmdq_error(cmdq, "window not found: %s", arg);
1.68 nicm 970: free(sessptr);
1.5 nicm 971: return (NULL);
972: }
1.1 nicm 973:
1.43 nicm 974: struct winlink *
975: cmd_find_window_offset(const char *winptr, struct session *s, int *ambiguous)
976: {
977: struct winlink *wl;
978: int offset = 1;
979:
980: if (winptr[1] != '\0')
981: offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
982: if (offset == 0)
983: wl = cmd_lookup_window(s, winptr, ambiguous);
984: else {
985: if (winptr[0] == '+')
986: wl = winlink_next_by_number(s->curw, s, offset);
987: else
988: wl = winlink_previous_by_number(s->curw, s, offset);
989: }
990:
991: return (wl);
992: }
993:
1.5 nicm 994: /*
995: * Find the target session and window index, whether or not it exists in the
996: * session. Return -2 on error or -1 if no window index is specified. This is
1.8 nicm 997: * used when parsing an argument for a window target that may not exist (for
998: * example if it is going to be created).
1.5 nicm 999: */
1000: int
1.80 nicm 1001: cmd_find_index(struct cmd_q *cmdq, const char *arg, struct session **sp)
1.5 nicm 1002: {
1003: struct session *s;
1.38 nicm 1004: struct winlink *wl;
1.8 nicm 1005: const char *winptr;
1.5 nicm 1006: char *sessptr = NULL;
1007: int idx, ambiguous = 0;
1008:
1009: /*
1010: * Find the current session. There must always be a current session, if
1011: * it can't be found, report an error.
1012: */
1.80 nicm 1013: if ((s = cmd_current_session(cmdq, 0)) == NULL) {
1014: cmdq_error(cmdq, "can't establish current session");
1.9 nicm 1015: return (-2);
1.1 nicm 1016: }
1.5 nicm 1017:
1018: /* A NULL argument means the current session and "no window" (-1). */
1019: if (arg == NULL) {
1020: if (sp != NULL)
1021: *sp = s;
1022: return (-1);
1023: }
1024:
1025: /* Time to look at the argument. If it is empty, that is an error. */
1026: if (*arg == '\0')
1027: goto not_found;
1028:
1029: /* Find the separating colon. If none, assume the current session. */
1030: winptr = strchr(arg, ':');
1031: if (winptr == NULL)
1.8 nicm 1032: goto no_colon;
1033: winptr++; /* skip : */
1034: sessptr = xstrdup(arg);
1035: *strchr(sessptr, ':') = '\0';
1.5 nicm 1036:
1037: /* Try to lookup the session if present. */
1038: if (sessptr != NULL && *sessptr != '\0') {
1.97 nicm 1039: if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL)
1.5 nicm 1040: goto no_session;
1041: }
1.1 nicm 1042: if (sp != NULL)
1043: *sp = s;
1044:
1.5 nicm 1045: /*
1.8 nicm 1046: * Then work out the window. An empty string is a new window otherwise
1047: * try to look it up in the session.
1.5 nicm 1048: */
1.8 nicm 1049: if (*winptr == '\0')
1.38 nicm 1050: idx = -1;
1051: else if (winptr[0] == '!' && winptr[1] == '\0') {
1052: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
1053: goto not_found;
1054: idx = wl->idx;
1.41 nicm 1055: } else if (winptr[0] == '+' || winptr[0] == '-') {
1.43 nicm 1056: if ((idx = cmd_find_index_offset(winptr, s, &ambiguous)) < 0)
1.41 nicm 1057: goto invalid_index;
1058: } else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1)
1059: goto invalid_index;
1.35 nicm 1060:
1.68 nicm 1061: free(sessptr);
1.5 nicm 1062: return (idx);
1063:
1.8 nicm 1064: no_colon:
1.38 nicm 1065: /*
1066: * No colon in the string, first try special cases, then as a window
1067: * and lastly as a session.
1068: */
1069: if (arg[0] == '!' && arg[1] == '\0') {
1070: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
1071: goto not_found;
1072: idx = wl->idx;
1.41 nicm 1073: } else if (arg[0] == '+' || arg[0] == '-') {
1.43 nicm 1074: if ((idx = cmd_find_index_offset(arg, s, &ambiguous)) < 0)
1.41 nicm 1075: goto lookup_session;
1076: } else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1)
1077: goto lookup_session;
1.8 nicm 1078:
1079: if (sp != NULL)
1080: *sp = s;
1081:
1082: return (idx);
1083:
1.41 nicm 1084: lookup_session:
1085: if (ambiguous)
1086: goto not_found;
1.97 nicm 1087: if (*arg != '\0' &&
1088: (s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL)
1.41 nicm 1089: goto no_session;
1090:
1091: if (sp != NULL)
1092: *sp = s;
1093:
1094: return (-1);
1095:
1.5 nicm 1096: no_session:
1097: if (ambiguous)
1.80 nicm 1098: cmdq_error(cmdq, "multiple sessions: %s", arg);
1.5 nicm 1099: else
1.80 nicm 1100: cmdq_error(cmdq, "session not found: %s", arg);
1.68 nicm 1101: free(sessptr);
1.5 nicm 1102: return (-2);
1103:
1.41 nicm 1104: invalid_index:
1105: if (ambiguous)
1106: goto not_found;
1.80 nicm 1107: cmdq_error(cmdq, "invalid index: %s", arg);
1.41 nicm 1108:
1.68 nicm 1109: free(sessptr);
1.41 nicm 1110: return (-2);
1111:
1.5 nicm 1112: not_found:
1113: if (ambiguous)
1.80 nicm 1114: cmdq_error(cmdq, "multiple windows: %s", arg);
1.1 nicm 1115: else
1.80 nicm 1116: cmdq_error(cmdq, "window not found: %s", arg);
1.68 nicm 1117: free(sessptr);
1.5 nicm 1118: return (-2);
1.12 nicm 1119: }
1120:
1.43 nicm 1121: int
1122: cmd_find_index_offset(const char *winptr, struct session *s, int *ambiguous)
1123: {
1124: int idx, offset = 1;
1125:
1126: if (winptr[1] != '\0')
1127: offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
1128: if (offset == 0)
1129: idx = cmd_lookup_index(s, winptr, ambiguous);
1130: else {
1131: if (winptr[0] == '+') {
1132: if (s->curw->idx == INT_MAX)
1133: idx = cmd_lookup_index(s, winptr, ambiguous);
1134: else
1135: idx = s->curw->idx + offset;
1136: } else {
1137: if (s->curw->idx == 0)
1138: idx = cmd_lookup_index(s, winptr, ambiguous);
1139: else
1140: idx = s->curw->idx - offset;
1141: }
1142: }
1143:
1144: return (idx);
1145: }
1146:
1.12 nicm 1147: /*
1148: * Find the target session, window and pane number or report an error and
1149: * return NULL. The pane number is separated from the session:window by a .,
1150: * such as mysession:mywindow.0.
1151: */
1152: struct winlink *
1.80 nicm 1153: cmd_find_pane(struct cmd_q *cmdq,
1.12 nicm 1154: const char *arg, struct session **sp, struct window_pane **wpp)
1155: {
1.55 nicm 1156: struct session *s;
1157: struct winlink *wl;
1158: const char *period, *errstr;
1159: char *winptr, *paneptr;
1160: u_int idx;
1.12 nicm 1161:
1162: /* Get the current session. */
1.80 nicm 1163: if ((s = cmd_current_session(cmdq, 0)) == NULL) {
1164: cmdq_error(cmdq, "can't establish current session");
1.12 nicm 1165: return (NULL);
1166: }
1167: if (sp != NULL)
1168: *sp = s;
1169:
1170: /* A NULL argument means the current session, window and pane. */
1171: if (arg == NULL) {
1172: *wpp = s->curw->window->active;
1173: return (s->curw);
1.51 nicm 1174: }
1175:
1176: /* Lookup as pane id. */
1177: if ((*wpp = cmd_lookup_paneid(arg)) != NULL) {
1.80 nicm 1178: s = cmd_window_session(cmdq, (*wpp)->window, &wl);
1.51 nicm 1179: if (sp != NULL)
1180: *sp = s;
1181: return (wl);
1.12 nicm 1182: }
1183:
1184: /* Look for a separating period. */
1185: if ((period = strrchr(arg, '.')) == NULL)
1186: goto no_period;
1187:
1188: /* Pull out the window part and parse it. */
1189: winptr = xstrdup(arg);
1190: winptr[period - arg] = '\0';
1191: if (*winptr == '\0')
1192: wl = s->curw;
1.80 nicm 1193: else if ((wl = cmd_find_window(cmdq, winptr, sp)) == NULL)
1.12 nicm 1194: goto error;
1195:
1196: /* Find the pane section and look it up. */
1197: paneptr = winptr + (period - arg) + 1;
1198: if (*paneptr == '\0')
1199: *wpp = wl->window->active;
1.43 nicm 1200: else if (paneptr[0] == '+' || paneptr[0] == '-')
1201: *wpp = cmd_find_pane_offset(paneptr, wl);
1.96 nicm 1202: else if (paneptr[0] == '!' && paneptr[1] == '\0') {
1203: if (wl->window->last == NULL) {
1204: cmdq_error(cmdq, "no last pane");
1205: goto error;
1206: }
1207: *wpp = wl->window->last;
1208: } else {
1.12 nicm 1209: idx = strtonum(paneptr, 0, INT_MAX, &errstr);
1.36 nicm 1210: if (errstr != NULL)
1211: goto lookup_string;
1.12 nicm 1212: *wpp = window_pane_at_index(wl->window, idx);
1.36 nicm 1213: if (*wpp == NULL)
1214: goto lookup_string;
1.12 nicm 1215: }
1216:
1.68 nicm 1217: free(winptr);
1.12 nicm 1218: return (wl);
1219:
1.36 nicm 1220: lookup_string:
1221: /* Try pane string description. */
1.55 nicm 1222: if ((*wpp = window_find_string(wl->window, paneptr)) == NULL) {
1.80 nicm 1223: cmdq_error(cmdq, "can't find pane: %s", paneptr);
1.36 nicm 1224: goto error;
1225: }
1226:
1.68 nicm 1227: free(winptr);
1.39 nicm 1228: return (wl);
1.36 nicm 1229:
1.12 nicm 1230: no_period:
1231: /* Try as a pane number alone. */
1232: idx = strtonum(arg, 0, INT_MAX, &errstr);
1233: if (errstr != NULL)
1234: goto lookup_window;
1235:
1236: /* Try index in the current session and window. */
1237: if ((*wpp = window_pane_at_index(s->curw->window, idx)) == NULL)
1238: goto lookup_window;
1.35 nicm 1239:
1.12 nicm 1240: return (s->curw);
1241:
1242: lookup_window:
1.36 nicm 1243: /* Try pane string description. */
1.55 nicm 1244: if ((*wpp = window_find_string(s->curw->window, arg)) != NULL)
1.36 nicm 1245: return (s->curw);
1246:
1.12 nicm 1247: /* Try as a window and use the active pane. */
1.80 nicm 1248: if ((wl = cmd_find_window(cmdq, arg, sp)) != NULL)
1.12 nicm 1249: *wpp = wl->window->active;
1250: return (wl);
1.35 nicm 1251:
1.12 nicm 1252: error:
1.68 nicm 1253: free(winptr);
1.12 nicm 1254: return (NULL);
1.43 nicm 1255: }
1256:
1257: struct window_pane *
1258: cmd_find_pane_offset(const char *paneptr, struct winlink *wl)
1259: {
1260: struct window *w = wl->window;
1261: struct window_pane *wp = w->active;
1262: u_int offset = 1;
1263:
1264: if (paneptr[1] != '\0')
1265: offset = strtonum(paneptr + 1, 1, INT_MAX, NULL);
1266: if (offset > 0) {
1267: if (paneptr[0] == '+')
1268: wp = window_pane_next_by_number(w, wp, offset);
1269: else
1270: wp = window_pane_previous_by_number(w, wp, offset);
1271: }
1272:
1273: return (wp);
1.15 nicm 1274: }
1275:
1276: /* Replace the first %% or %idx in template by s. */
1277: char *
1.75 nicm 1278: cmd_template_replace(const char *template, const char *s, int idx)
1.15 nicm 1279: {
1.75 nicm 1280: char ch, *buf;
1281: const char *ptr;
1.84 nicm 1282: int replaced;
1283: size_t len;
1.15 nicm 1284:
1.76 nicm 1285: if (strchr(template, '%') == NULL)
1.15 nicm 1286: return (xstrdup(template));
1287:
1288: buf = xmalloc(1);
1289: *buf = '\0';
1290: len = 0;
1291: replaced = 0;
1292:
1293: ptr = template;
1294: while (*ptr != '\0') {
1295: switch (ch = *ptr++) {
1296: case '%':
1297: if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) {
1298: if (*ptr != '%' || replaced)
1299: break;
1300: replaced = 1;
1301: }
1302: ptr++;
1303:
1304: len += strlen(s);
1.98 ! nicm 1305: buf = xrealloc(buf, len + 1);
1.15 nicm 1306: strlcat(buf, s, len + 1);
1307: continue;
1308: }
1.98 ! nicm 1309: buf = xrealloc(buf, len + 2);
1.15 nicm 1310: buf[len++] = ch;
1311: buf[len] = '\0';
1312: }
1313:
1314: return (buf);
1.1 nicm 1315: }
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