Annotation of src/usr.bin/tmux/cmd-find.c, Revision 1.72
1.72 ! nicm 1: /* $OpenBSD: cmd-find.c,v 1.71 2019/03/15 15:20:00 nicm Exp $ */
1.1 nicm 2:
3: /*
1.30 nicm 4: * Copyright (c) 2015 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <fnmatch.h>
22: #include <limits.h>
23: #include <stdlib.h>
24: #include <string.h>
25: #include <paths.h>
1.15 nicm 26: #include <unistd.h>
1.1 nicm 27:
28: #include "tmux.h"
29:
1.33 nicm 30: static int cmd_find_session_better(struct session *, struct session *,
31: int);
32: static struct session *cmd_find_best_session(struct session **, u_int, int);
33: static int cmd_find_best_session_with_window(struct cmd_find_state *);
34: static int cmd_find_best_winlink_with_window(struct cmd_find_state *);
35:
36: static const char *cmd_find_map_table(const char *[][2], const char *);
37:
1.67 nicm 38: static void cmd_find_log_state(const char *, struct cmd_find_state *);
1.33 nicm 39: static int cmd_find_get_session(struct cmd_find_state *, const char *);
1.44 nicm 40: static int cmd_find_get_window(struct cmd_find_state *, const char *, int);
1.33 nicm 41: static int cmd_find_get_window_with_session(struct cmd_find_state *,
42: const char *);
1.44 nicm 43: static int cmd_find_get_pane(struct cmd_find_state *, const char *, int);
1.33 nicm 44: static int cmd_find_get_pane_with_session(struct cmd_find_state *,
45: const char *);
46: static int cmd_find_get_pane_with_window(struct cmd_find_state *,
47: const char *);
1.1 nicm 48:
1.33 nicm 49: static const char *cmd_find_session_table[][2] = {
1.1 nicm 50: { NULL, NULL }
51: };
1.33 nicm 52: static const char *cmd_find_window_table[][2] = {
1.1 nicm 53: { "{start}", "^" },
54: { "{last}", "!" },
55: { "{end}", "$" },
56: { "{next}", "+" },
57: { "{previous}", "-" },
58: { NULL, NULL }
59: };
1.33 nicm 60: static const char *cmd_find_pane_table[][2] = {
1.1 nicm 61: { "{last}", "!" },
62: { "{next}", "+" },
63: { "{previous}", "-" },
64: { "{top}", "top" },
65: { "{bottom}", "bottom" },
66: { "{left}", "left" },
67: { "{right}", "right" },
68: { "{top-left}", "top-left" },
69: { "{top-right}", "top-right" },
70: { "{bottom-left}", "bottom-left" },
71: { "{bottom-right}", "bottom-right" },
1.12 nicm 72: { "{up-of}", "{up-of}" },
73: { "{down-of}", "{down-of}" },
74: { "{left-of}", "{left-of}" },
75: { "{right-of}", "{right-of}" },
1.1 nicm 76: { NULL, NULL }
77: };
78:
1.15 nicm 79: /* Get session from TMUX if present. */
1.33 nicm 80: static struct session *
1.48 nicm 81: cmd_find_try_TMUX(struct client *c)
1.15 nicm 82: {
83: struct environ_entry *envent;
84: char tmp[256];
85: long long pid;
86: u_int session;
1.63 nicm 87: struct session *s;
1.15 nicm 88:
1.17 nicm 89: envent = environ_find(c->environ, "TMUX");
1.15 nicm 90: if (envent == NULL)
91: return (NULL);
92:
93: if (sscanf(envent->value, "%255[^,],%lld,%d", tmp, &pid, &session) != 3)
94: return (NULL);
95: if (pid != getpid())
96: return (NULL);
1.63 nicm 97: log_debug("%s: client %p TMUX %s (session $%u)", __func__, c,
98: envent->value, session);
99:
100: s = session_find_by_id(session);
101: if (s != NULL)
102: log_debug("%s: session $%u still exists", __func__, s->id);
103: return (s);
1.15 nicm 104: }
105:
1.55 nicm 106: /* Find pane containing client if any. */
107: static struct window_pane *
108: cmd_find_inside_pane(struct client *c)
109: {
110: struct window_pane *wp;
111:
112: if (c == NULL)
113: return (NULL);
114:
115: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.65 nicm 116: if (wp->fd != -1 && strcmp(wp->tty, c->ttyname) == 0)
1.55 nicm 117: break;
118: }
1.63 nicm 119: if (wp != NULL)
120: log_debug("%s: got pane %%%u (%s)", __func__, wp->id, wp->tty);
1.55 nicm 121: return (wp);
122: }
123:
1.1 nicm 124: /* Is this client better? */
1.33 nicm 125: static int
1.1 nicm 126: cmd_find_client_better(struct client *c, struct client *than)
127: {
128: if (than == NULL)
129: return (1);
130: return (timercmp(&c->activity_time, &than->activity_time, >));
131: }
132:
1.48 nicm 133: /* Find best client for session. */
1.61 nicm 134: struct client *
1.48 nicm 135: cmd_find_best_client(struct session *s)
1.1 nicm 136: {
137: struct client *c_loop, *c;
1.48 nicm 138:
1.68 nicm 139: if (s->attached == 0)
1.48 nicm 140: s = NULL;
1.1 nicm 141:
142: c = NULL;
1.48 nicm 143: TAILQ_FOREACH(c_loop, &clients, entry) {
144: if (c_loop->session == NULL)
145: continue;
146: if (s != NULL && c_loop->session != s)
147: continue;
148: if (cmd_find_client_better(c_loop, c))
149: c = c_loop;
1.1 nicm 150: }
151: return (c);
152: }
153:
154: /* Is this session better? */
1.33 nicm 155: static int
1.1 nicm 156: cmd_find_session_better(struct session *s, struct session *than, int flags)
157: {
158: int attached;
159:
160: if (than == NULL)
161: return (1);
162: if (flags & CMD_FIND_PREFER_UNATTACHED) {
1.68 nicm 163: attached = (than->attached != 0);
164: if (attached && s->attached == 0)
1.1 nicm 165: return (1);
1.68 nicm 166: else if (!attached && s->attached != 0)
1.1 nicm 167: return (0);
168: }
169: return (timercmp(&s->activity_time, &than->activity_time, >));
170: }
171:
172: /* Find best session from a list, or all if list is NULL. */
1.33 nicm 173: static struct session *
1.1 nicm 174: cmd_find_best_session(struct session **slist, u_int ssize, int flags)
175: {
176: struct session *s_loop, *s;
177: u_int i;
178:
1.63 nicm 179: log_debug("%s: %u sessions to try", __func__, ssize);
180:
1.1 nicm 181: s = NULL;
182: if (slist != NULL) {
183: for (i = 0; i < ssize; i++) {
184: if (cmd_find_session_better(slist[i], s, flags))
185: s = slist[i];
186: }
187: } else {
188: RB_FOREACH(s_loop, sessions, &sessions) {
189: if (cmd_find_session_better(s_loop, s, flags))
190: s = s_loop;
191: }
192: }
193: return (s);
194: }
195:
196: /* Find best session and winlink for window. */
1.33 nicm 197: static int
1.1 nicm 198: cmd_find_best_session_with_window(struct cmd_find_state *fs)
199: {
200: struct session **slist = NULL;
201: u_int ssize;
202: struct session *s;
203:
1.63 nicm 204: log_debug("%s: window is @%u", __func__, fs->w->id);
205:
1.1 nicm 206: ssize = 0;
207: RB_FOREACH(s, sessions, &sessions) {
208: if (!session_has(s, fs->w))
209: continue;
1.7 nicm 210: slist = xreallocarray(slist, ssize + 1, sizeof *slist);
1.1 nicm 211: slist[ssize++] = s;
212: }
213: if (ssize == 0)
214: goto fail;
215: fs->s = cmd_find_best_session(slist, ssize, fs->flags);
216: if (fs->s == NULL)
217: goto fail;
1.7 nicm 218: free(slist);
1.1 nicm 219: return (cmd_find_best_winlink_with_window(fs));
220:
221: fail:
222: free(slist);
223: return (-1);
224: }
225:
226: /*
1.65 nicm 227: * Find the best winlink for a window (the current if it contains the window,
1.1 nicm 228: * otherwise the first).
229: */
1.33 nicm 230: static int
1.1 nicm 231: cmd_find_best_winlink_with_window(struct cmd_find_state *fs)
232: {
233: struct winlink *wl, *wl_loop;
234:
1.63 nicm 235: log_debug("%s: window is @%u", __func__, fs->w->id);
236:
1.1 nicm 237: wl = NULL;
1.38 nicm 238: if (fs->s->curw != NULL && fs->s->curw->window == fs->w)
1.1 nicm 239: wl = fs->s->curw;
240: else {
241: RB_FOREACH(wl_loop, winlinks, &fs->s->windows) {
242: if (wl_loop->window == fs->w) {
243: wl = wl_loop;
244: break;
245: }
246: }
247: }
248: if (wl == NULL)
249: return (-1);
250: fs->wl = wl;
251: fs->idx = fs->wl->idx;
252: return (0);
253: }
254:
255: /* Maps string in table. */
1.33 nicm 256: static const char *
1.1 nicm 257: cmd_find_map_table(const char *table[][2], const char *s)
258: {
259: u_int i;
260:
261: for (i = 0; table[i][0] != NULL; i++) {
262: if (strcmp(s, table[i][0]) == 0)
263: return (table[i][1]);
264: }
265: return (s);
266: }
267:
268: /* Find session from string. Fills in s. */
1.33 nicm 269: static int
1.1 nicm 270: cmd_find_get_session(struct cmd_find_state *fs, const char *session)
271: {
272: struct session *s, *s_loop;
1.32 nicm 273: struct client *c;
1.1 nicm 274:
275: log_debug("%s: %s", __func__, session);
276:
277: /* Check for session ids starting with $. */
278: if (*session == '$') {
279: fs->s = session_find_by_id_str(session);
280: if (fs->s == NULL)
281: return (-1);
282: return (0);
283: }
284:
285: /* Look for exactly this session. */
286: fs->s = session_find(session);
287: if (fs->s != NULL)
288: return (0);
289:
1.32 nicm 290: /* Look for as a client. */
291: c = cmd_find_client(NULL, session, 1);
292: if (c != NULL && c->session != NULL) {
293: fs->s = c->session;
294: return (0);
295: }
296:
1.9 nicm 297: /* Stop now if exact only. */
298: if (fs->flags & CMD_FIND_EXACT_SESSION)
299: return (-1);
300:
1.1 nicm 301: /* Otherwise look for prefix. */
302: s = NULL;
303: RB_FOREACH(s_loop, sessions, &sessions) {
304: if (strncmp(session, s_loop->name, strlen(session)) == 0) {
305: if (s != NULL)
306: return (-1);
307: s = s_loop;
308: }
309: }
310: if (s != NULL) {
311: fs->s = s;
312: return (0);
313: }
314:
315: /* Then as a pattern. */
316: s = NULL;
317: RB_FOREACH(s_loop, sessions, &sessions) {
318: if (fnmatch(session, s_loop->name, 0) == 0) {
319: if (s != NULL)
320: return (-1);
321: s = s_loop;
322: }
323: }
324: if (s != NULL) {
325: fs->s = s;
326: return (0);
327: }
328:
329: return (-1);
330: }
331:
332: /* Find window from string. Fills in s, wl, w. */
1.33 nicm 333: static int
1.44 nicm 334: cmd_find_get_window(struct cmd_find_state *fs, const char *window, int only)
1.1 nicm 335: {
336: log_debug("%s: %s", __func__, window);
337:
338: /* Check for window ids starting with @. */
339: if (*window == '@') {
340: fs->w = window_find_by_id_str(window);
341: if (fs->w == NULL)
342: return (-1);
343: return (cmd_find_best_session_with_window(fs));
344: }
345:
346: /* Not a window id, so use the current session. */
347: fs->s = fs->current->s;
348:
349: /* We now only need to find the winlink in this session. */
1.4 nicm 350: if (cmd_find_get_window_with_session(fs, window) == 0)
351: return (0);
352:
1.42 nicm 353: /* Otherwise try as a session itself. */
1.44 nicm 354: if (!only && cmd_find_get_session(fs, window) == 0) {
1.21 nicm 355: fs->wl = fs->s->curw;
356: fs->w = fs->wl->window;
357: if (~fs->flags & CMD_FIND_WINDOW_INDEX)
1.6 nicm 358: fs->idx = fs->wl->idx;
1.4 nicm 359: return (0);
360: }
361:
362: return (-1);
1.1 nicm 363: }
364:
365: /*
366: * Find window from string, assuming it is in given session. Needs s, fills in
367: * wl and w.
368: */
1.33 nicm 369: static int
1.1 nicm 370: cmd_find_get_window_with_session(struct cmd_find_state *fs, const char *window)
371: {
372: struct winlink *wl;
373: const char *errstr;
1.9 nicm 374: int idx, n, exact;
1.1 nicm 375: struct session *s;
376:
377: log_debug("%s: %s", __func__, window);
1.9 nicm 378: exact = (fs->flags & CMD_FIND_EXACT_WINDOW);
1.1 nicm 379:
1.21 nicm 380: /*
381: * Start with the current window as the default. So if only an index is
382: * found, the window will be the current.
383: */
384: fs->wl = fs->s->curw;
385: fs->w = fs->wl->window;
386:
1.1 nicm 387: /* Check for window ids starting with @. */
388: if (*window == '@') {
389: fs->w = window_find_by_id_str(window);
390: if (fs->w == NULL || !session_has(fs->s, fs->w))
391: return (-1);
392: return (cmd_find_best_winlink_with_window(fs));
393: }
394:
395: /* Try as an offset. */
1.10 nicm 396: if (!exact && (window[0] == '+' || window[0] == '-')) {
1.1 nicm 397: if (window[1] != '\0')
398: n = strtonum(window + 1, 1, INT_MAX, NULL);
399: else
400: n = 1;
401: s = fs->s;
402: if (fs->flags & CMD_FIND_WINDOW_INDEX) {
403: if (window[0] == '+') {
404: if (INT_MAX - s->curw->idx < n)
405: return (-1);
406: fs->idx = s->curw->idx + n;
407: } else {
1.60 nicm 408: if (n > s->curw->idx)
1.1 nicm 409: return (-1);
410: fs->idx = s->curw->idx - n;
411: }
412: return (0);
413: }
414: if (window[0] == '+')
415: fs->wl = winlink_next_by_number(s->curw, s, n);
416: else
417: fs->wl = winlink_previous_by_number(s->curw, s, n);
418: if (fs->wl != NULL) {
419: fs->idx = fs->wl->idx;
420: fs->w = fs->wl->window;
421: return (0);
422: }
423: }
424:
425: /* Try special characters. */
1.9 nicm 426: if (!exact) {
427: if (strcmp(window, "!") == 0) {
428: fs->wl = TAILQ_FIRST(&fs->s->lastw);
429: if (fs->wl == NULL)
430: return (-1);
431: fs->idx = fs->wl->idx;
432: fs->w = fs->wl->window;
433: return (0);
434: } else if (strcmp(window, "^") == 0) {
435: fs->wl = RB_MIN(winlinks, &fs->s->windows);
436: if (fs->wl == NULL)
437: return (-1);
438: fs->idx = fs->wl->idx;
439: fs->w = fs->wl->window;
440: return (0);
441: } else if (strcmp(window, "$") == 0) {
442: fs->wl = RB_MAX(winlinks, &fs->s->windows);
443: if (fs->wl == NULL)
444: return (-1);
445: fs->idx = fs->wl->idx;
446: fs->w = fs->wl->window;
447: return (0);
448: }
1.1 nicm 449: }
450:
451: /* First see if this is a valid window index in this session. */
1.9 nicm 452: if (window[0] != '+' && window[0] != '-') {
453: idx = strtonum(window, 0, INT_MAX, &errstr);
454: if (errstr == NULL) {
455: fs->wl = winlink_find_by_index(&fs->s->windows, idx);
456: if (fs->wl != NULL) {
1.70 nicm 457: fs->idx = fs->wl->idx;
1.9 nicm 458: fs->w = fs->wl->window;
459: return (0);
460: }
1.62 nicm 461: if (fs->flags & CMD_FIND_WINDOW_INDEX) {
462: fs->idx = idx;
463: return (0);
464: }
1.1 nicm 465: }
466: }
467:
468: /* Look for exact matches, error if more than one. */
469: fs->wl = NULL;
470: RB_FOREACH(wl, winlinks, &fs->s->windows) {
471: if (strcmp(window, wl->window->name) == 0) {
472: if (fs->wl != NULL)
473: return (-1);
474: fs->wl = wl;
475: }
476: }
477: if (fs->wl != NULL) {
478: fs->idx = fs->wl->idx;
479: fs->w = fs->wl->window;
480: return (0);
481: }
1.9 nicm 482:
483: /* Stop now if exact only. */
484: if (exact)
485: return (-1);
486:
1.1 nicm 487: /* Try as the start of a window name, error if multiple. */
488: fs->wl = NULL;
489: RB_FOREACH(wl, winlinks, &fs->s->windows) {
490: if (strncmp(window, wl->window->name, strlen(window)) == 0) {
491: if (fs->wl != NULL)
492: return (-1);
493: fs->wl = wl;
494: }
495: }
496: if (fs->wl != NULL) {
497: fs->idx = fs->wl->idx;
498: fs->w = fs->wl->window;
499: return (0);
500: }
501:
502: /* Now look for pattern matches, again error if multiple. */
503: fs->wl = NULL;
504: RB_FOREACH(wl, winlinks, &fs->s->windows) {
505: if (fnmatch(window, wl->window->name, 0) == 0) {
506: if (fs->wl != NULL)
507: return (-1);
508: fs->wl = wl;
509: }
510: }
511: if (fs->wl != NULL) {
512: fs->idx = fs->wl->idx;
513: fs->w = fs->wl->window;
514: return (0);
515: }
516:
517: return (-1);
518: }
519:
520: /* Find pane from string. Fills in s, wl, w, wp. */
1.33 nicm 521: static int
1.44 nicm 522: cmd_find_get_pane(struct cmd_find_state *fs, const char *pane, int only)
1.1 nicm 523: {
524: log_debug("%s: %s", __func__, pane);
525:
526: /* Check for pane ids starting with %. */
527: if (*pane == '%') {
528: fs->wp = window_pane_find_by_id_str(pane);
1.56 nicm 529: if (fs->wp == NULL)
1.1 nicm 530: return (-1);
531: fs->w = fs->wp->window;
532: return (cmd_find_best_session_with_window(fs));
533: }
534:
1.4 nicm 535: /* Not a pane id, so try the current session and window. */
1.1 nicm 536: fs->s = fs->current->s;
537: fs->wl = fs->current->wl;
538: fs->idx = fs->current->idx;
539: fs->w = fs->current->w;
540:
541: /* We now only need to find the pane in this window. */
1.4 nicm 542: if (cmd_find_get_pane_with_window(fs, pane) == 0)
543: return (0);
544:
1.42 nicm 545: /* Otherwise try as a window itself (this will also try as session). */
1.44 nicm 546: if (!only && cmd_find_get_window(fs, pane, 0) == 0) {
1.4 nicm 547: fs->wp = fs->w->active;
548: return (0);
549: }
550:
551: return (-1);
1.1 nicm 552: }
553:
554: /*
555: * Find pane from string, assuming it is in given session. Needs s, fills in wl
556: * and w and wp.
557: */
1.33 nicm 558: static int
1.1 nicm 559: cmd_find_get_pane_with_session(struct cmd_find_state *fs, const char *pane)
560: {
561: log_debug("%s: %s", __func__, pane);
562:
563: /* Check for pane ids starting with %. */
564: if (*pane == '%') {
565: fs->wp = window_pane_find_by_id_str(pane);
1.56 nicm 566: if (fs->wp == NULL)
1.1 nicm 567: return (-1);
568: fs->w = fs->wp->window;
569: return (cmd_find_best_winlink_with_window(fs));
570: }
571:
572: /* Otherwise use the current window. */
573: fs->wl = fs->s->curw;
574: fs->idx = fs->wl->idx;
575: fs->w = fs->wl->window;
576:
577: /* Now we just need to look up the pane. */
578: return (cmd_find_get_pane_with_window(fs, pane));
579: }
580:
581: /*
582: * Find pane from string, assuming it is in the given window. Needs w, fills in
583: * wp.
584: */
1.33 nicm 585: static int
1.1 nicm 586: cmd_find_get_pane_with_window(struct cmd_find_state *fs, const char *pane)
587: {
588: const char *errstr;
589: int idx;
590: struct window_pane *wp;
591: u_int n;
592:
593: log_debug("%s: %s", __func__, pane);
594:
595: /* Check for pane ids starting with %. */
596: if (*pane == '%') {
597: fs->wp = window_pane_find_by_id_str(pane);
1.56 nicm 598: if (fs->wp == NULL)
1.40 nicm 599: return (-1);
600: if (fs->wp->window != fs->w)
1.1 nicm 601: return (-1);
602: return (0);
603: }
604:
605: /* Try special characters. */
606: if (strcmp(pane, "!") == 0) {
607: fs->wp = fs->w->last;
1.56 nicm 608: if (fs->wp == NULL)
1.40 nicm 609: return (-1);
1.1 nicm 610: return (0);
1.12 nicm 611: } else if (strcmp(pane, "{up-of}") == 0) {
1.1 nicm 612: fs->wp = window_pane_find_up(fs->w->active);
1.56 nicm 613: if (fs->wp == NULL)
1.1 nicm 614: return (-1);
615: return (0);
1.12 nicm 616: } else if (strcmp(pane, "{down-of}") == 0) {
1.1 nicm 617: fs->wp = window_pane_find_down(fs->w->active);
1.56 nicm 618: if (fs->wp == NULL)
1.1 nicm 619: return (-1);
620: return (0);
1.12 nicm 621: } else if (strcmp(pane, "{left-of}") == 0) {
1.1 nicm 622: fs->wp = window_pane_find_left(fs->w->active);
1.56 nicm 623: if (fs->wp == NULL)
1.1 nicm 624: return (-1);
625: return (0);
1.12 nicm 626: } else if (strcmp(pane, "{right-of}") == 0) {
1.1 nicm 627: fs->wp = window_pane_find_right(fs->w->active);
1.56 nicm 628: if (fs->wp == NULL)
1.1 nicm 629: return (-1);
630: return (0);
631: }
632:
633: /* Try as an offset. */
634: if (pane[0] == '+' || pane[0] == '-') {
635: if (pane[1] != '\0')
636: n = strtonum(pane + 1, 1, INT_MAX, NULL);
637: else
638: n = 1;
639: wp = fs->w->active;
640: if (pane[0] == '+')
641: fs->wp = window_pane_next_by_number(fs->w, wp, n);
642: else
643: fs->wp = window_pane_previous_by_number(fs->w, wp, n);
1.56 nicm 644: if (fs->wp != NULL)
1.1 nicm 645: return (0);
646: }
647:
648: /* Get pane by index. */
649: idx = strtonum(pane, 0, INT_MAX, &errstr);
650: if (errstr == NULL) {
651: fs->wp = window_pane_at_index(fs->w, idx);
1.56 nicm 652: if (fs->wp != NULL)
1.1 nicm 653: return (0);
654: }
655:
656: /* Try as a description. */
657: fs->wp = window_find_string(fs->w, pane);
1.56 nicm 658: if (fs->wp != NULL)
1.1 nicm 659: return (0);
660:
661: return (-1);
662: }
663:
664: /* Clear state. */
665: void
1.48 nicm 666: cmd_find_clear_state(struct cmd_find_state *fs, int flags)
1.1 nicm 667: {
1.7 nicm 668: memset(fs, 0, sizeof *fs);
1.1 nicm 669:
670: fs->flags = flags;
671:
672: fs->idx = -1;
673: }
674:
1.48 nicm 675: /* Check if state is empty. */
1.34 nicm 676: int
677: cmd_find_empty_state(struct cmd_find_state *fs)
678: {
679: if (fs->s == NULL && fs->wl == NULL && fs->w == NULL && fs->wp == NULL)
680: return (1);
681: return (0);
682: }
683:
1.23 nicm 684: /* Check if a state if valid. */
685: int
686: cmd_find_valid_state(struct cmd_find_state *fs)
687: {
688: struct winlink *wl;
689:
690: if (fs->s == NULL || fs->wl == NULL || fs->w == NULL || fs->wp == NULL)
691: return (0);
692:
693: if (!session_alive(fs->s))
694: return (0);
695:
696: RB_FOREACH(wl, winlinks, &fs->s->windows) {
697: if (wl->window == fs->w && wl == fs->wl)
698: break;
699: }
700: if (wl == NULL)
701: return (0);
702:
703: if (fs->w != fs->wl->window)
704: return (0);
705:
1.56 nicm 706: return (window_has_pane(fs->w, fs->wp));
1.23 nicm 707: }
708:
709: /* Copy a state. */
710: void
711: cmd_find_copy_state(struct cmd_find_state *dst, struct cmd_find_state *src)
712: {
713: dst->s = src->s;
714: dst->wl = src->wl;
1.26 nicm 715: dst->idx = src->idx;
716: dst->w = src->w;
1.23 nicm 717: dst->wp = src->wp;
718: }
719:
720: /* Log the result. */
1.67 nicm 721: static void
1.23 nicm 722: cmd_find_log_state(const char *prefix, struct cmd_find_state *fs)
723: {
724: if (fs->s != NULL)
1.63 nicm 725: log_debug("%s: s=$%u %s", prefix, fs->s->id, fs->s->name);
1.23 nicm 726: else
727: log_debug("%s: s=none", prefix);
728: if (fs->wl != NULL) {
729: log_debug("%s: wl=%u %d w=@%u %s", prefix, fs->wl->idx,
730: fs->wl->window == fs->w, fs->w->id, fs->w->name);
731: } else
732: log_debug("%s: wl=none", prefix);
733: if (fs->wp != NULL)
734: log_debug("%s: wp=%%%u", prefix, fs->wp->id);
735: else
736: log_debug("%s: wp=none", prefix);
737: if (fs->idx != -1)
738: log_debug("%s: idx=%d", prefix, fs->idx);
739: else
740: log_debug("%s: idx=none", prefix);
1.27 nicm 741: }
742:
743: /* Find state from a session. */
1.47 nicm 744: void
1.57 nicm 745: cmd_find_from_session(struct cmd_find_state *fs, struct session *s, int flags)
1.27 nicm 746: {
1.57 nicm 747: cmd_find_clear_state(fs, flags);
1.27 nicm 748:
749: fs->s = s;
750: fs->wl = fs->s->curw;
751: fs->w = fs->wl->window;
752: fs->wp = fs->w->active;
1.29 nicm 753:
754: cmd_find_log_state(__func__, fs);
755: }
756:
757: /* Find state from a winlink. */
1.47 nicm 758: void
1.57 nicm 759: cmd_find_from_winlink(struct cmd_find_state *fs, struct winlink *wl, int flags)
1.29 nicm 760: {
1.57 nicm 761: cmd_find_clear_state(fs, flags);
1.29 nicm 762:
1.46 nicm 763: fs->s = wl->session;
1.29 nicm 764: fs->wl = wl;
765: fs->w = wl->window;
766: fs->wp = wl->window->active;
1.27 nicm 767:
768: cmd_find_log_state(__func__, fs);
769: }
770:
1.35 nicm 771: /* Find state from a session and window. */
772: int
773: cmd_find_from_session_window(struct cmd_find_state *fs, struct session *s,
1.57 nicm 774: struct window *w, int flags)
1.35 nicm 775: {
1.57 nicm 776: cmd_find_clear_state(fs, flags);
1.35 nicm 777:
778: fs->s = s;
779: fs->w = w;
1.49 nicm 780: if (cmd_find_best_winlink_with_window(fs) != 0) {
1.57 nicm 781: cmd_find_clear_state(fs, flags);
1.35 nicm 782: return (-1);
1.49 nicm 783: }
1.35 nicm 784: fs->wp = fs->w->active;
785:
786: cmd_find_log_state(__func__, fs);
787: return (0);
788: }
789:
1.27 nicm 790: /* Find state from a window. */
791: int
1.57 nicm 792: cmd_find_from_window(struct cmd_find_state *fs, struct window *w, int flags)
1.27 nicm 793: {
1.57 nicm 794: cmd_find_clear_state(fs, flags);
1.27 nicm 795:
796: fs->w = w;
1.49 nicm 797: if (cmd_find_best_session_with_window(fs) != 0) {
1.57 nicm 798: cmd_find_clear_state(fs, flags);
1.27 nicm 799: return (-1);
1.49 nicm 800: }
801: if (cmd_find_best_winlink_with_window(fs) != 0) {
1.57 nicm 802: cmd_find_clear_state(fs, flags);
1.27 nicm 803: return (-1);
1.49 nicm 804: }
1.35 nicm 805: fs->wp = fs->w->active;
1.27 nicm 806:
807: cmd_find_log_state(__func__, fs);
808: return (0);
1.47 nicm 809: }
810:
811: /* Find state from a winlink and pane. */
812: void
813: cmd_find_from_winlink_pane(struct cmd_find_state *fs, struct winlink *wl,
1.57 nicm 814: struct window_pane *wp, int flags)
1.47 nicm 815: {
1.57 nicm 816: cmd_find_clear_state(fs, flags);
1.47 nicm 817:
818: fs->s = wl->session;
819: fs->wl = wl;
820: fs->idx = fs->wl->idx;
821: fs->w = fs->wl->window;
822: fs->wp = wp;
823:
824: cmd_find_log_state(__func__, fs);
1.27 nicm 825: }
826:
827: /* Find state from a pane. */
828: int
1.57 nicm 829: cmd_find_from_pane(struct cmd_find_state *fs, struct window_pane *wp, int flags)
1.27 nicm 830: {
1.57 nicm 831: if (cmd_find_from_window(fs, wp->window, flags) != 0)
1.27 nicm 832: return (-1);
833: fs->wp = wp;
834:
835: cmd_find_log_state(__func__, fs);
836: return (0);
1.23 nicm 837: }
838:
1.48 nicm 839: /* Find state from nothing. */
1.31 nicm 840: int
1.57 nicm 841: cmd_find_from_nothing(struct cmd_find_state *fs, int flags)
1.31 nicm 842: {
1.57 nicm 843: cmd_find_clear_state(fs, flags);
1.48 nicm 844:
1.57 nicm 845: fs->s = cmd_find_best_session(NULL, 0, flags);
1.49 nicm 846: if (fs->s == NULL) {
1.57 nicm 847: cmd_find_clear_state(fs, flags);
1.48 nicm 848: return (-1);
1.49 nicm 849: }
1.48 nicm 850: fs->wl = fs->s->curw;
851: fs->idx = fs->wl->idx;
852: fs->w = fs->wl->window;
853: fs->wp = fs->w->active;
854:
855: cmd_find_log_state(__func__, fs);
856: return (0);
857: }
858:
859: /* Find state from mouse. */
860: int
1.57 nicm 861: cmd_find_from_mouse(struct cmd_find_state *fs, struct mouse_event *m, int flags)
1.48 nicm 862: {
1.57 nicm 863: cmd_find_clear_state(fs, flags);
1.48 nicm 864:
865: if (!m->valid)
866: return (-1);
867:
868: fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
1.49 nicm 869: if (fs->wp == NULL) {
1.57 nicm 870: cmd_find_clear_state(fs, flags);
1.48 nicm 871: return (-1);
1.49 nicm 872: }
1.48 nicm 873: fs->w = fs->wl->window;
874:
875: cmd_find_log_state(__func__, fs);
876: return (0);
877: }
878:
879: /* Find state from client. */
880: int
1.57 nicm 881: cmd_find_from_client(struct cmd_find_state *fs, struct client *c, int flags)
1.48 nicm 882: {
883: struct session *s;
884: struct winlink *wl;
885: struct window_pane *wp;
886:
887: /* If no client, treat as from nothing. */
888: if (c == NULL)
1.57 nicm 889: return (cmd_find_from_nothing(fs, flags));
1.48 nicm 890:
891: /* If this is an attached client, all done. */
892: if (c->session != NULL) {
1.57 nicm 893: cmd_find_from_session(fs, c->session, flags);
1.48 nicm 894: return (0);
895: }
1.57 nicm 896: cmd_find_clear_state(fs, flags);
1.48 nicm 897:
898: /*
899: * If this is an unattached client running in a pane, we can use that
900: * to limit the list of sessions to those containing that pane.
901: */
1.55 nicm 902: wp = cmd_find_inside_pane(c);
1.48 nicm 903: if (wp == NULL)
904: goto unknown_pane;
905:
906: /* If we have a session in TMUX, see if it has this pane. */
907: s = cmd_find_try_TMUX(c);
908: if (s != NULL) {
909: RB_FOREACH(wl, winlinks, &s->windows) {
910: if (window_has_pane(wl->window, wp))
911: break;
912: }
913: if (wl != NULL) {
1.63 nicm 914: log_debug("%s: session $%u has pane %%%u", __func__,
915: s->id, wp->id);
916:
1.48 nicm 917: fs->s = s;
1.52 nicm 918: fs->wl = s->curw; /* use current session */
1.48 nicm 919: fs->w = fs->wl->window;
920: fs->wp = fs->w->active; /* use active pane */
921:
922: cmd_find_log_state(__func__, fs);
923: return (0);
1.66 nicm 924: } else {
1.65 nicm 925: log_debug("%s: session $%u does not have pane %%%u",
926: __func__, s->id, wp->id);
1.48 nicm 927: }
928: }
929:
930: /*
931: * Don't have a session, or it doesn't have this pane. Try all
932: * sessions.
933: */
934: fs->w = wp->window;
935: if (cmd_find_best_session_with_window(fs) != 0) {
1.59 nicm 936: /*
937: * The window may have been destroyed but the pane
938: * still on all_window_panes due to something else
939: * holding a reference.
940: */
941: goto unknown_pane;
1.31 nicm 942: }
1.48 nicm 943: fs->wl = fs->s->curw;
944: fs->w = fs->wl->window;
945: fs->wp = fs->w->active; /* use active pane */
946:
947: cmd_find_log_state(__func__, fs);
1.31 nicm 948: return (0);
1.48 nicm 949:
950: unknown_pane:
951: /*
952: * We're not running in a known pane, but maybe this client has TMUX
953: * in the environment. That'd give us a session.
954: */
955: s = cmd_find_try_TMUX(c);
956: if (s != NULL) {
1.57 nicm 957: cmd_find_from_session(fs, s, flags);
1.48 nicm 958: return (0);
959: }
960:
961: /* Otherwise we need to guess. */
1.57 nicm 962: return (cmd_find_from_nothing(fs, flags));
1.31 nicm 963: }
964:
1.20 nicm 965: /*
966: * Split target into pieces and resolve for the given type. Fills in the given
967: * state. Returns 0 on success or -1 on error.
968: */
969: int
1.48 nicm 970: cmd_find_target(struct cmd_find_state *fs, struct cmdq_item *item,
971: const char *target, enum cmd_find_type type, int flags)
1.1 nicm 972: {
1.20 nicm 973: struct mouse_event *m;
1.48 nicm 974: struct cmd_find_state current;
1.69 nicm 975: char *colon, *period, *copy = NULL, tmp[256];
1.54 nicm 976: const char *session, *window, *pane, *s;
1.44 nicm 977: int window_only = 0, pane_only = 0;
1.1 nicm 978:
1.51 nicm 979: /* Can fail flag implies quiet. */
980: if (flags & CMD_FIND_CANFAIL)
981: flags |= CMD_FIND_QUIET;
982:
1.18 nicm 983: /* Log the arguments. */
1.54 nicm 984: if (type == CMD_FIND_PANE)
985: s = "pane";
986: else if (type == CMD_FIND_WINDOW)
987: s = "window";
988: else if (type == CMD_FIND_SESSION)
989: s = "session";
990: else
991: s = "unknown";
1.69 nicm 992: *tmp = '\0';
993: if (flags & CMD_FIND_PREFER_UNATTACHED)
994: strlcat(tmp, "PREFER_UNATTACHED,", sizeof tmp);
995: if (flags & CMD_FIND_QUIET)
996: strlcat(tmp, "QUIET,", sizeof tmp);
997: if (flags & CMD_FIND_WINDOW_INDEX)
998: strlcat(tmp, "WINDOW_INDEX,", sizeof tmp);
999: if (flags & CMD_FIND_DEFAULT_MARKED)
1000: strlcat(tmp, "DEFAULT_MARKED,", sizeof tmp);
1001: if (flags & CMD_FIND_EXACT_SESSION)
1002: strlcat(tmp, "EXACT_SESSION,", sizeof tmp);
1003: if (flags & CMD_FIND_EXACT_WINDOW)
1004: strlcat(tmp, "EXACT_WINDOW,", sizeof tmp);
1005: if (flags & CMD_FIND_CANFAIL)
1006: strlcat(tmp, "CANFAIL,", sizeof tmp);
1007: if (*tmp != '\0')
1008: tmp[strlen(tmp) - 1] = '\0';
1009: log_debug("%s: target %s, type %s, item %p, flags %s", __func__,
1010: target == NULL ? "none" : target, s, item, tmp);
1.18 nicm 1011:
1.24 nicm 1012: /* Clear new state. */
1.48 nicm 1013: cmd_find_clear_state(fs, flags);
1.24 nicm 1014:
1.1 nicm 1015: /* Find current state. */
1.34 nicm 1016: if (server_check_marked() && (flags & CMD_FIND_DEFAULT_MARKED)) {
1.24 nicm 1017: fs->current = &marked_pane;
1.39 nicm 1018: log_debug("%s: current is marked pane", __func__);
1.45 nicm 1019: } else if (cmd_find_valid_state(&item->shared->current)) {
1020: fs->current = &item->shared->current;
1.39 nicm 1021: log_debug("%s: current is from queue", __func__);
1.57 nicm 1022: } else if (cmd_find_from_client(¤t, item->client, flags) == 0) {
1.48 nicm 1023: fs->current = ¤t;
1024: log_debug("%s: current is from client", __func__);
1.53 nicm 1025: } else {
1026: if (~flags & CMD_FIND_QUIET)
1027: cmdq_error(item, "no current target");
1.50 nicm 1028: goto error;
1.53 nicm 1029: }
1.50 nicm 1030: if (!cmd_find_valid_state(fs->current))
1.34 nicm 1031: fatalx("invalid current find state");
1.1 nicm 1032:
1033: /* An empty or NULL target is the current. */
1034: if (target == NULL || *target == '\0')
1035: goto current;
1036:
1037: /* Mouse target is a plain = or {mouse}. */
1038: if (strcmp(target, "=") == 0 || strcmp(target, "{mouse}") == 0) {
1.45 nicm 1039: m = &item->shared->mouse;
1.1 nicm 1040: switch (type) {
1041: case CMD_FIND_PANE:
1.20 nicm 1042: fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
1.72 ! nicm 1043: if (fs->wp != NULL) {
1.20 nicm 1044: fs->w = fs->wl->window;
1.72 ! nicm 1045: break;
! 1046: }
! 1047: /* FALLTHROUGH */
1.1 nicm 1048: case CMD_FIND_WINDOW:
1049: case CMD_FIND_SESSION:
1.20 nicm 1050: fs->wl = cmd_mouse_window(m, &fs->s);
1.72 ! nicm 1051: if (fs->wl == NULL && fs->s != NULL)
! 1052: fs->wl = fs->s->curw;
1.20 nicm 1053: if (fs->wl != NULL) {
1054: fs->w = fs->wl->window;
1055: fs->wp = fs->w->active;
1.1 nicm 1056: }
1057: break;
1058: }
1.20 nicm 1059: if (fs->wp == NULL) {
1.1 nicm 1060: if (~flags & CMD_FIND_QUIET)
1.37 nicm 1061: cmdq_error(item, "no mouse target");
1.1 nicm 1062: goto error;
1063: }
1.18 nicm 1064: goto found;
1.1 nicm 1065: }
1.8 nicm 1066:
1067: /* Marked target is a plain ~ or {marked}. */
1068: if (strcmp(target, "~") == 0 || strcmp(target, "{marked}") == 0) {
1069: if (!server_check_marked()) {
1070: if (~flags & CMD_FIND_QUIET)
1.37 nicm 1071: cmdq_error(item, "no marked target");
1.8 nicm 1072: goto error;
1073: }
1.23 nicm 1074: cmd_find_copy_state(fs, &marked_pane);
1.18 nicm 1075: goto found;
1.8 nicm 1076: }
1.1 nicm 1077:
1078: /* Find separators if they exist. */
1.8 nicm 1079: copy = xstrdup(target);
1.1 nicm 1080: colon = strchr(copy, ':');
1081: if (colon != NULL)
1082: *colon++ = '\0';
1083: if (colon == NULL)
1084: period = strchr(copy, '.');
1085: else
1086: period = strchr(colon, '.');
1087: if (period != NULL)
1088: *period++ = '\0';
1089:
1090: /* Set session, window and pane parts. */
1091: session = window = pane = NULL;
1092: if (colon != NULL && period != NULL) {
1093: session = copy;
1094: window = colon;
1.44 nicm 1095: window_only = 1;
1.1 nicm 1096: pane = period;
1.44 nicm 1097: pane_only = 1;
1.1 nicm 1098: } else if (colon != NULL && period == NULL) {
1099: session = copy;
1100: window = colon;
1.44 nicm 1101: window_only = 1;
1.1 nicm 1102: } else if (colon == NULL && period != NULL) {
1103: window = copy;
1104: pane = period;
1.44 nicm 1105: pane_only = 1;
1.1 nicm 1106: } else {
1107: if (*copy == '$')
1108: session = copy;
1109: else if (*copy == '@')
1110: window = copy;
1111: else if (*copy == '%')
1112: pane = copy;
1113: else {
1114: switch (type) {
1115: case CMD_FIND_SESSION:
1116: session = copy;
1117: break;
1118: case CMD_FIND_WINDOW:
1119: window = copy;
1120: break;
1121: case CMD_FIND_PANE:
1122: pane = copy;
1123: break;
1124: }
1125: }
1.9 nicm 1126: }
1127:
1128: /* Set exact match flags. */
1129: if (session != NULL && *session == '=') {
1130: session++;
1.20 nicm 1131: fs->flags |= CMD_FIND_EXACT_SESSION;
1.9 nicm 1132: }
1133: if (window != NULL && *window == '=') {
1134: window++;
1.20 nicm 1135: fs->flags |= CMD_FIND_EXACT_WINDOW;
1.1 nicm 1136: }
1137:
1138: /* Empty is the same as NULL. */
1139: if (session != NULL && *session == '\0')
1140: session = NULL;
1141: if (window != NULL && *window == '\0')
1142: window = NULL;
1143: if (pane != NULL && *pane == '\0')
1144: pane = NULL;
1145:
1146: /* Map though conversion table. */
1147: if (session != NULL)
1148: session = cmd_find_map_table(cmd_find_session_table, session);
1149: if (window != NULL)
1150: window = cmd_find_map_table(cmd_find_window_table, window);
1151: if (pane != NULL)
1152: pane = cmd_find_map_table(cmd_find_pane_table, pane);
1153:
1.69 nicm 1154: if (session != NULL || window != NULL || pane != NULL) {
1155: log_debug("%s: target %s is %s%s%s%s%s%s",
1156: __func__, target,
1157: session == NULL ? "" : "session ",
1158: session == NULL ? "" : session,
1159: window == NULL ? "" : "window ",
1160: window == NULL ? "" : window,
1161: pane == NULL ? "" : "pane ",
1162: pane == NULL ? "" : pane);
1163: }
1.1 nicm 1164:
1165: /* No pane is allowed if want an index. */
1166: if (pane != NULL && (flags & CMD_FIND_WINDOW_INDEX)) {
1167: if (~flags & CMD_FIND_QUIET)
1.37 nicm 1168: cmdq_error(item, "can't specify pane here");
1.1 nicm 1169: goto error;
1170: }
1171:
1172: /* If the session isn't NULL, look it up. */
1173: if (session != NULL) {
1174: /* This will fill in session. */
1.20 nicm 1175: if (cmd_find_get_session(fs, session) != 0)
1.1 nicm 1176: goto no_session;
1177:
1178: /* If window and pane are NULL, use that session's current. */
1179: if (window == NULL && pane == NULL) {
1.20 nicm 1180: fs->wl = fs->s->curw;
1181: fs->idx = -1;
1182: fs->w = fs->wl->window;
1183: fs->wp = fs->w->active;
1.1 nicm 1184: goto found;
1185: }
1186:
1187: /* If window is present but pane not, find window in session. */
1188: if (window != NULL && pane == NULL) {
1189: /* This will fill in winlink and window. */
1.20 nicm 1190: if (cmd_find_get_window_with_session(fs, window) != 0)
1.1 nicm 1191: goto no_window;
1.64 nicm 1192: if (fs->wl != NULL) /* can be NULL if index only */
1193: fs->wp = fs->wl->window->active;
1.1 nicm 1194: goto found;
1195: }
1196:
1197: /* If pane is present but window not, find pane. */
1198: if (window == NULL && pane != NULL) {
1199: /* This will fill in winlink and window and pane. */
1.20 nicm 1200: if (cmd_find_get_pane_with_session(fs, pane) != 0)
1.1 nicm 1201: goto no_pane;
1202: goto found;
1203: }
1204:
1205: /*
1206: * If window and pane are present, find both in session. This
1207: * will fill in winlink and window.
1208: */
1.20 nicm 1209: if (cmd_find_get_window_with_session(fs, window) != 0)
1.1 nicm 1210: goto no_window;
1211: /* This will fill in pane. */
1.20 nicm 1212: if (cmd_find_get_pane_with_window(fs, pane) != 0)
1.1 nicm 1213: goto no_pane;
1214: goto found;
1215: }
1216:
1217: /* No session. If window and pane, try them. */
1218: if (window != NULL && pane != NULL) {
1219: /* This will fill in session, winlink and window. */
1.44 nicm 1220: if (cmd_find_get_window(fs, window, window_only) != 0)
1.1 nicm 1221: goto no_window;
1222: /* This will fill in pane. */
1.20 nicm 1223: if (cmd_find_get_pane_with_window(fs, pane) != 0)
1.1 nicm 1224: goto no_pane;
1225: goto found;
1226: }
1227:
1228: /* If just window is present, try it. */
1229: if (window != NULL && pane == NULL) {
1230: /* This will fill in session, winlink and window. */
1.44 nicm 1231: if (cmd_find_get_window(fs, window, window_only) != 0)
1.1 nicm 1232: goto no_window;
1.62 nicm 1233: if (fs->wl != NULL) /* can be NULL if index only */
1234: fs->wp = fs->wl->window->active;
1.1 nicm 1235: goto found;
1236: }
1237:
1238: /* If just pane is present, try it. */
1239: if (window == NULL && pane != NULL) {
1240: /* This will fill in session, winlink, window and pane. */
1.44 nicm 1241: if (cmd_find_get_pane(fs, pane, pane_only) != 0)
1.1 nicm 1242: goto no_pane;
1243: goto found;
1244: }
1245:
1246: current:
1.20 nicm 1247: /* Use the current session. */
1.24 nicm 1248: cmd_find_copy_state(fs, fs->current);
1.1 nicm 1249: if (flags & CMD_FIND_WINDOW_INDEX)
1.24 nicm 1250: fs->idx = -1;
1.20 nicm 1251: goto found;
1.1 nicm 1252:
1253: error:
1.20 nicm 1254: fs->current = NULL;
1.39 nicm 1255: log_debug("%s: error", __func__);
1.20 nicm 1256:
1.1 nicm 1257: free(copy);
1.51 nicm 1258: if (flags & CMD_FIND_CANFAIL)
1259: return (0);
1.20 nicm 1260: return (-1);
1.1 nicm 1261:
1262: found:
1.20 nicm 1263: fs->current = NULL;
1264: cmd_find_log_state(__func__, fs);
1265:
1.1 nicm 1266: free(copy);
1.20 nicm 1267: return (0);
1.1 nicm 1268:
1269: no_session:
1270: if (~flags & CMD_FIND_QUIET)
1.71 nicm 1271: cmdq_error(item, "can't find session: %s", session);
1.1 nicm 1272: goto error;
1273:
1274: no_window:
1275: if (~flags & CMD_FIND_QUIET)
1.71 nicm 1276: cmdq_error(item, "can't find window: %s", window);
1.1 nicm 1277: goto error;
1278:
1279: no_pane:
1280: if (~flags & CMD_FIND_QUIET)
1.71 nicm 1281: cmdq_error(item, "can't find pane: %s", pane);
1.1 nicm 1282: goto error;
1283: }
1284:
1.55 nicm 1285: /* Find the current client. */
1286: static struct client *
1287: cmd_find_current_client(struct cmdq_item *item, int quiet)
1288: {
1289: struct client *c;
1290: struct session *s;
1291: struct window_pane *wp;
1292: struct cmd_find_state fs;
1293:
1294: if (item->client != NULL && item->client->session != NULL)
1295: return (item->client);
1296:
1297: c = NULL;
1298: if ((wp = cmd_find_inside_pane(item->client)) != NULL) {
1299: cmd_find_clear_state(&fs, CMD_FIND_QUIET);
1300: fs.w = wp->window;
1301: if (cmd_find_best_session_with_window(&fs) == 0)
1302: c = cmd_find_best_client(fs.s);
1303: } else {
1304: s = cmd_find_best_session(NULL, 0, CMD_FIND_QUIET);
1305: if (s != NULL)
1306: c = cmd_find_best_client(s);
1307: }
1308: if (c == NULL && !quiet)
1309: cmdq_error(item, "no current client");
1310: log_debug("%s: no target, return %p", __func__, c);
1311: return (c);
1312: }
1313:
1.1 nicm 1314: /* Find the target client or report an error and return NULL. */
1315: struct client *
1.37 nicm 1316: cmd_find_client(struct cmdq_item *item, const char *target, int quiet)
1.1 nicm 1317: {
1318: struct client *c;
1319: char *copy;
1320: size_t size;
1321:
1322: /* A NULL argument means the current client. */
1.55 nicm 1323: if (target == NULL)
1324: return (cmd_find_current_client(item, quiet));
1.1 nicm 1325: copy = xstrdup(target);
1326:
1327: /* Trim a single trailing colon if any. */
1328: size = strlen(copy);
1329: if (size != 0 && copy[size - 1] == ':')
1330: copy[size - 1] = '\0';
1331:
1.43 nicm 1332: /* Check name and path of each client. */
1.1 nicm 1333: TAILQ_FOREACH(c, &clients, entry) {
1.43 nicm 1334: if (c->session == NULL)
1.1 nicm 1335: continue;
1.43 nicm 1336: if (strcmp(copy, c->name) == 0)
1337: break;
1.1 nicm 1338:
1.43 nicm 1339: if (*c->ttyname == '\0')
1340: continue;
1341: if (strcmp(copy, c->ttyname) == 0)
1.1 nicm 1342: break;
1.43 nicm 1343: if (strncmp(c->ttyname, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
1.1 nicm 1344: continue;
1.43 nicm 1345: if (strcmp(copy, c->ttyname + (sizeof _PATH_DEV) - 1) == 0)
1.1 nicm 1346: break;
1347: }
1348:
1349: /* If no client found, report an error. */
1350: if (c == NULL && !quiet)
1.71 nicm 1351: cmdq_error(item, "can't find client: %s", copy);
1.1 nicm 1352:
1353: free(copy);
1.16 nicm 1354: log_debug("%s: target %s, return %p", __func__, target, c);
1.1 nicm 1355: return (c);
1356: }
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