/* $OpenBSD$ */ /* * Copyright (c) 2015 Nicholas Marriott * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include "tmux.h" static int cmd_find_session_better(struct session *, struct session *, int); static struct session *cmd_find_best_session(struct session **, u_int, int); static int cmd_find_best_session_with_window(struct cmd_find_state *); static int cmd_find_best_winlink_with_window(struct cmd_find_state *); static const char *cmd_find_map_table(const char *[][2], const char *); static int cmd_find_get_session(struct cmd_find_state *, const char *); static int cmd_find_get_window(struct cmd_find_state *, const char *, int); static int cmd_find_get_window_with_session(struct cmd_find_state *, const char *); static int cmd_find_get_pane(struct cmd_find_state *, const char *, int); static int cmd_find_get_pane_with_session(struct cmd_find_state *, const char *); static int cmd_find_get_pane_with_window(struct cmd_find_state *, const char *); static const char *cmd_find_session_table[][2] = { { NULL, NULL } }; static const char *cmd_find_window_table[][2] = { { "{start}", "^" }, { "{last}", "!" }, { "{end}", "$" }, { "{next}", "+" }, { "{previous}", "-" }, { NULL, NULL } }; static const char *cmd_find_pane_table[][2] = { { "{last}", "!" }, { "{next}", "+" }, { "{previous}", "-" }, { "{top}", "top" }, { "{bottom}", "bottom" }, { "{left}", "left" }, { "{right}", "right" }, { "{top-left}", "top-left" }, { "{top-right}", "top-right" }, { "{bottom-left}", "bottom-left" }, { "{bottom-right}", "bottom-right" }, { "{up-of}", "{up-of}" }, { "{down-of}", "{down-of}" }, { "{left-of}", "{left-of}" }, { "{right-of}", "{right-of}" }, { NULL, NULL } }; /* Get session from TMUX if present. */ static struct session * cmd_find_try_TMUX(struct client *c) { struct environ_entry *envent; char tmp[256]; long long pid; u_int session; envent = environ_find(c->environ, "TMUX"); if (envent == NULL) return (NULL); if (sscanf(envent->value, "%255[^,],%lld,%d", tmp, &pid, &session) != 3) return (NULL); if (pid != getpid()) return (NULL); log_debug("client %p TMUX %s (session @%u)", c, envent->value, session); return (session_find_by_id(session)); } /* Is this client better? */ static int cmd_find_client_better(struct client *c, struct client *than) { if (than == NULL) return (1); return (timercmp(&c->activity_time, &than->activity_time, >)); } /* Find best client for session. */ static struct client * cmd_find_best_client(struct session *s) { struct client *c_loop, *c; if (s->flags & SESSION_UNATTACHED) s = NULL; c = NULL; TAILQ_FOREACH(c_loop, &clients, entry) { if (c_loop->session == NULL) continue; if (s != NULL && c_loop->session != s) continue; if (cmd_find_client_better(c_loop, c)) c = c_loop; } return (c); } /* Is this session better? */ static int cmd_find_session_better(struct session *s, struct session *than, int flags) { int attached; if (than == NULL) return (1); if (flags & CMD_FIND_PREFER_UNATTACHED) { attached = (~than->flags & SESSION_UNATTACHED); if (attached && (s->flags & SESSION_UNATTACHED)) return (1); else if (!attached && (~s->flags & SESSION_UNATTACHED)) return (0); } return (timercmp(&s->activity_time, &than->activity_time, >)); } /* Find best session from a list, or all if list is NULL. */ static struct session * cmd_find_best_session(struct session **slist, u_int ssize, int flags) { struct session *s_loop, *s; u_int i; s = NULL; if (slist != NULL) { for (i = 0; i < ssize; i++) { if (cmd_find_session_better(slist[i], s, flags)) s = slist[i]; } } else { RB_FOREACH(s_loop, sessions, &sessions) { if (cmd_find_session_better(s_loop, s, flags)) s = s_loop; } } return (s); } /* Find best session and winlink for window. */ static int cmd_find_best_session_with_window(struct cmd_find_state *fs) { struct session **slist = NULL; u_int ssize; struct session *s; ssize = 0; RB_FOREACH(s, sessions, &sessions) { if (!session_has(s, fs->w)) continue; slist = xreallocarray(slist, ssize + 1, sizeof *slist); slist[ssize++] = s; } if (ssize == 0) goto fail; fs->s = cmd_find_best_session(slist, ssize, fs->flags); if (fs->s == NULL) goto fail; free(slist); return (cmd_find_best_winlink_with_window(fs)); fail: free(slist); return (-1); } /* * Find the best winlink for a window (the current if it contains the pane, * otherwise the first). */ static int cmd_find_best_winlink_with_window(struct cmd_find_state *fs) { struct winlink *wl, *wl_loop; wl = NULL; if (fs->s->curw != NULL && fs->s->curw->window == fs->w) wl = fs->s->curw; else { RB_FOREACH(wl_loop, winlinks, &fs->s->windows) { if (wl_loop->window == fs->w) { wl = wl_loop; break; } } } if (wl == NULL) return (-1); fs->wl = wl; fs->idx = fs->wl->idx; return (0); } /* Maps string in table. */ static const char * cmd_find_map_table(const char *table[][2], const char *s) { u_int i; for (i = 0; table[i][0] != NULL; i++) { if (strcmp(s, table[i][0]) == 0) return (table[i][1]); } return (s); } /* Find session from string. Fills in s. */ static int cmd_find_get_session(struct cmd_find_state *fs, const char *session) { struct session *s, *s_loop; struct client *c; log_debug("%s: %s", __func__, session); /* Check for session ids starting with $. */ if (*session == '$') { fs->s = session_find_by_id_str(session); if (fs->s == NULL) return (-1); return (0); } /* Look for exactly this session. */ fs->s = session_find(session); if (fs->s != NULL) return (0); /* Look for as a client. */ c = cmd_find_client(NULL, session, 1); if (c != NULL && c->session != NULL) { fs->s = c->session; return (0); } /* Stop now if exact only. */ if (fs->flags & CMD_FIND_EXACT_SESSION) return (-1); /* Otherwise look for prefix. */ s = NULL; RB_FOREACH(s_loop, sessions, &sessions) { if (strncmp(session, s_loop->name, strlen(session)) == 0) { if (s != NULL) return (-1); s = s_loop; } } if (s != NULL) { fs->s = s; return (0); } /* Then as a pattern. */ s = NULL; RB_FOREACH(s_loop, sessions, &sessions) { if (fnmatch(session, s_loop->name, 0) == 0) { if (s != NULL) return (-1); s = s_loop; } } if (s != NULL) { fs->s = s; return (0); } return (-1); } /* Find window from string. Fills in s, wl, w. */ static int cmd_find_get_window(struct cmd_find_state *fs, const char *window, int only) { log_debug("%s: %s", __func__, window); /* Check for window ids starting with @. */ if (*window == '@') { fs->w = window_find_by_id_str(window); if (fs->w == NULL) return (-1); return (cmd_find_best_session_with_window(fs)); } /* Not a window id, so use the current session. */ fs->s = fs->current->s; /* We now only need to find the winlink in this session. */ if (cmd_find_get_window_with_session(fs, window) == 0) return (0); /* Otherwise try as a session itself. */ if (!only && cmd_find_get_session(fs, window) == 0) { fs->wl = fs->s->curw; fs->w = fs->wl->window; if (~fs->flags & CMD_FIND_WINDOW_INDEX) fs->idx = fs->wl->idx; return (0); } return (-1); } /* * Find window from string, assuming it is in given session. Needs s, fills in * wl and w. */ static int cmd_find_get_window_with_session(struct cmd_find_state *fs, const char *window) { struct winlink *wl; const char *errstr; int idx, n, exact; struct session *s; log_debug("%s: %s", __func__, window); exact = (fs->flags & CMD_FIND_EXACT_WINDOW); /* * Start with the current window as the default. So if only an index is * found, the window will be the current. */ fs->wl = fs->s->curw; fs->w = fs->wl->window; /* Check for window ids starting with @. */ if (*window == '@') { fs->w = window_find_by_id_str(window); if (fs->w == NULL || !session_has(fs->s, fs->w)) return (-1); return (cmd_find_best_winlink_with_window(fs)); } /* Try as an offset. */ if (!exact && (window[0] == '+' || window[0] == '-')) { if (window[1] != '\0') n = strtonum(window + 1, 1, INT_MAX, NULL); else n = 1; s = fs->s; if (fs->flags & CMD_FIND_WINDOW_INDEX) { if (window[0] == '+') { if (INT_MAX - s->curw->idx < n) return (-1); fs->idx = s->curw->idx + n; } else { if (n < s->curw->idx) return (-1); fs->idx = s->curw->idx - n; } return (0); } if (window[0] == '+') fs->wl = winlink_next_by_number(s->curw, s, n); else fs->wl = winlink_previous_by_number(s->curw, s, n); if (fs->wl != NULL) { fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } } /* Try special characters. */ if (!exact) { if (strcmp(window, "!") == 0) { fs->wl = TAILQ_FIRST(&fs->s->lastw); if (fs->wl == NULL) return (-1); fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } else if (strcmp(window, "^") == 0) { fs->wl = RB_MIN(winlinks, &fs->s->windows); if (fs->wl == NULL) return (-1); fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } else if (strcmp(window, "$") == 0) { fs->wl = RB_MAX(winlinks, &fs->s->windows); if (fs->wl == NULL) return (-1); fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } } /* First see if this is a valid window index in this session. */ if (window[0] != '+' && window[0] != '-') { idx = strtonum(window, 0, INT_MAX, &errstr); if (errstr == NULL) { if (fs->flags & CMD_FIND_WINDOW_INDEX) { fs->idx = idx; return (0); } fs->wl = winlink_find_by_index(&fs->s->windows, idx); if (fs->wl != NULL) { fs->w = fs->wl->window; return (0); } } } /* Look for exact matches, error if more than one. */ fs->wl = NULL; RB_FOREACH(wl, winlinks, &fs->s->windows) { if (strcmp(window, wl->window->name) == 0) { if (fs->wl != NULL) return (-1); fs->wl = wl; } } if (fs->wl != NULL) { fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } /* Stop now if exact only. */ if (exact) return (-1); /* Try as the start of a window name, error if multiple. */ fs->wl = NULL; RB_FOREACH(wl, winlinks, &fs->s->windows) { if (strncmp(window, wl->window->name, strlen(window)) == 0) { if (fs->wl != NULL) return (-1); fs->wl = wl; } } if (fs->wl != NULL) { fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } /* Now look for pattern matches, again error if multiple. */ fs->wl = NULL; RB_FOREACH(wl, winlinks, &fs->s->windows) { if (fnmatch(window, wl->window->name, 0) == 0) { if (fs->wl != NULL) return (-1); fs->wl = wl; } } if (fs->wl != NULL) { fs->idx = fs->wl->idx; fs->w = fs->wl->window; return (0); } return (-1); } /* Find pane from string. Fills in s, wl, w, wp. */ static int cmd_find_get_pane(struct cmd_find_state *fs, const char *pane, int only) { log_debug("%s: %s", __func__, pane); /* Check for pane ids starting with %. */ if (*pane == '%') { fs->wp = window_pane_find_by_id_str(pane); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); fs->w = fs->wp->window; return (cmd_find_best_session_with_window(fs)); } /* Not a pane id, so try the current session and window. */ fs->s = fs->current->s; fs->wl = fs->current->wl; fs->idx = fs->current->idx; fs->w = fs->current->w; /* We now only need to find the pane in this window. */ if (cmd_find_get_pane_with_window(fs, pane) == 0) return (0); /* Otherwise try as a window itself (this will also try as session). */ if (!only && cmd_find_get_window(fs, pane, 0) == 0) { fs->wp = fs->w->active; return (0); } return (-1); } /* * Find pane from string, assuming it is in given session. Needs s, fills in wl * and w and wp. */ static int cmd_find_get_pane_with_session(struct cmd_find_state *fs, const char *pane) { log_debug("%s: %s", __func__, pane); /* Check for pane ids starting with %. */ if (*pane == '%') { fs->wp = window_pane_find_by_id_str(pane); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); fs->w = fs->wp->window; return (cmd_find_best_winlink_with_window(fs)); } /* Otherwise use the current window. */ fs->wl = fs->s->curw; fs->idx = fs->wl->idx; fs->w = fs->wl->window; /* Now we just need to look up the pane. */ return (cmd_find_get_pane_with_window(fs, pane)); } /* * Find pane from string, assuming it is in the given window. Needs w, fills in * wp. */ static int cmd_find_get_pane_with_window(struct cmd_find_state *fs, const char *pane) { const char *errstr; int idx; struct window_pane *wp; u_int n; log_debug("%s: %s", __func__, pane); /* Check for pane ids starting with %. */ if (*pane == '%') { fs->wp = window_pane_find_by_id_str(pane); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); if (fs->wp->window != fs->w) return (-1); return (0); } /* Try special characters. */ if (strcmp(pane, "!") == 0) { if (fs->w->last == NULL) return (-1); fs->wp = fs->w->last; if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); return (0); } else if (strcmp(pane, "{up-of}") == 0) { fs->wp = window_pane_find_up(fs->w->active); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); return (0); } else if (strcmp(pane, "{down-of}") == 0) { fs->wp = window_pane_find_down(fs->w->active); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); return (0); } else if (strcmp(pane, "{left-of}") == 0) { fs->wp = window_pane_find_left(fs->w->active); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); return (0); } else if (strcmp(pane, "{right-of}") == 0) { fs->wp = window_pane_find_right(fs->w->active); if (fs->wp == NULL || window_pane_outside(fs->wp)) return (-1); return (0); } /* Try as an offset. */ if (pane[0] == '+' || pane[0] == '-') { if (pane[1] != '\0') n = strtonum(pane + 1, 1, INT_MAX, NULL); else n = 1; wp = fs->w->active; if (pane[0] == '+') fs->wp = window_pane_next_by_number(fs->w, wp, n); else fs->wp = window_pane_previous_by_number(fs->w, wp, n); if (fs->wp != NULL && !window_pane_outside(fs->wp)) return (0); } /* Get pane by index. */ idx = strtonum(pane, 0, INT_MAX, &errstr); if (errstr == NULL) { fs->wp = window_pane_at_index(fs->w, idx); if (fs->wp != NULL && !window_pane_outside(fs->wp)) return (0); } /* Try as a description. */ fs->wp = window_find_string(fs->w, pane); if (fs->wp != NULL && !window_pane_outside(fs->wp)) return (0); return (-1); } /* Clear state. */ void cmd_find_clear_state(struct cmd_find_state *fs, int flags) { memset(fs, 0, sizeof *fs); fs->flags = flags; fs->idx = -1; } /* Check if state is empty. */ int cmd_find_empty_state(struct cmd_find_state *fs) { if (fs->s == NULL && fs->wl == NULL && fs->w == NULL && fs->wp == NULL) return (1); return (0); } /* Check if a state if valid. */ int cmd_find_valid_state(struct cmd_find_state *fs) { struct winlink *wl; if (fs->s == NULL || fs->wl == NULL || fs->w == NULL || fs->wp == NULL) return (0); if (!session_alive(fs->s)) return (0); RB_FOREACH(wl, winlinks, &fs->s->windows) { if (wl->window == fs->w && wl == fs->wl) break; } if (wl == NULL) return (0); if (fs->w != fs->wl->window) return (0); if (!window_has_pane(fs->w, fs->wp)) return (0); return (!window_pane_outside(fs->wp)); } /* Copy a state. */ void cmd_find_copy_state(struct cmd_find_state *dst, struct cmd_find_state *src) { dst->s = src->s; dst->wl = src->wl; dst->idx = src->idx; dst->w = src->w; dst->wp = src->wp; } /* Log the result. */ void cmd_find_log_state(const char *prefix, struct cmd_find_state *fs) { if (fs->s != NULL) log_debug("%s: s=$%u", prefix, fs->s->id); else log_debug("%s: s=none", prefix); if (fs->wl != NULL) { log_debug("%s: wl=%u %d w=@%u %s", prefix, fs->wl->idx, fs->wl->window == fs->w, fs->w->id, fs->w->name); } else log_debug("%s: wl=none", prefix); if (fs->wp != NULL) log_debug("%s: wp=%%%u", prefix, fs->wp->id); else log_debug("%s: wp=none", prefix); if (fs->idx != -1) log_debug("%s: idx=%d", prefix, fs->idx); else log_debug("%s: idx=none", prefix); } /* Find state from a session. */ void cmd_find_from_session(struct cmd_find_state *fs, struct session *s) { cmd_find_clear_state(fs, 0); fs->s = s; fs->wl = fs->s->curw; fs->w = fs->wl->window; fs->wp = fs->w->active; cmd_find_log_state(__func__, fs); } /* Find state from a winlink. */ void cmd_find_from_winlink(struct cmd_find_state *fs, struct winlink *wl) { cmd_find_clear_state(fs, 0); fs->s = wl->session; fs->wl = wl; fs->w = wl->window; fs->wp = wl->window->active; cmd_find_log_state(__func__, fs); } /* Find state from a session and window. */ int cmd_find_from_session_window(struct cmd_find_state *fs, struct session *s, struct window *w) { cmd_find_clear_state(fs, 0); fs->s = s; fs->w = w; if (cmd_find_best_winlink_with_window(fs) != 0) return (-1); fs->wp = fs->w->active; cmd_find_log_state(__func__, fs); return (0); } /* Find state from a window. */ int cmd_find_from_window(struct cmd_find_state *fs, struct window *w) { cmd_find_clear_state(fs, 0); fs->w = w; if (cmd_find_best_session_with_window(fs) != 0) return (-1); if (cmd_find_best_winlink_with_window(fs) != 0) return (-1); fs->wp = fs->w->active; cmd_find_log_state(__func__, fs); return (0); } /* Find state from a winlink and pane. */ void cmd_find_from_winlink_pane(struct cmd_find_state *fs, struct winlink *wl, struct window_pane *wp) { cmd_find_clear_state(fs, 0); fs->s = wl->session; fs->wl = wl; fs->idx = fs->wl->idx; fs->w = fs->wl->window; fs->wp = wp; cmd_find_log_state(__func__, fs); } /* Find state from a pane. */ int cmd_find_from_pane(struct cmd_find_state *fs, struct window_pane *wp) { if (cmd_find_from_window(fs, wp->window) != 0) return (-1); if (window_pane_outside(wp)) return (-1); fs->wp = wp; cmd_find_log_state(__func__, fs); return (0); } /* Find state from nothing. */ int cmd_find_from_nothing(struct cmd_find_state *fs) { cmd_find_clear_state(fs, 0); fs->s = cmd_find_best_session(NULL, 0, fs->flags); if (fs->s == NULL) return (-1); fs->wl = fs->s->curw; fs->idx = fs->wl->idx; fs->w = fs->wl->window; fs->wp = fs->w->active; cmd_find_log_state(__func__, fs); return (0); } /* Find state from mouse. */ int cmd_find_from_mouse(struct cmd_find_state *fs, struct mouse_event *m) { cmd_find_clear_state(fs, 0); if (!m->valid) return (-1); fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl); if (fs->wp == NULL) return (-1); fs->w = fs->wl->window; cmd_find_log_state(__func__, fs); return (0); } /* Find state from client. */ int cmd_find_from_client(struct cmd_find_state *fs, struct client *c) { struct session *s; struct winlink *wl; struct window_pane *wp; /* If no client, treat as from nothing. */ if (c == NULL) return (cmd_find_from_nothing(fs)); /* If this is an attached client, all done. */ if (c->session != NULL) { cmd_find_from_session(fs, c->session); return (0); } cmd_find_clear_state(fs, 0); /* * If this is an unattached client running in a pane, we can use that * to limit the list of sessions to those containing that pane. */ RB_FOREACH(wp, window_pane_tree, &all_window_panes) { if (strcmp(wp->tty, c->ttyname) == 0) break; } if (wp == NULL) goto unknown_pane; /* If we have a session in TMUX, see if it has this pane. */ s = cmd_find_try_TMUX(c); if (s != NULL) { RB_FOREACH(wl, winlinks, &s->windows) { if (window_has_pane(wl->window, wp)) break; } if (wl != NULL) { fs->s = s; fs->wl = s->curw; /* use active session */ fs->w = fs->wl->window; fs->wp = fs->w->active; /* use active pane */ cmd_find_log_state(__func__, fs); return (0); } } /* * Don't have a session, or it doesn't have this pane. Try all * sessions. */ fs->w = wp->window; if (cmd_find_best_session_with_window(fs) != 0) { if (wp != NULL) { /* * The window may have been destroyed but the pane * still on all_window_panes due to something else * holding a reference. */ goto unknown_pane; } return (-1); } fs->wl = fs->s->curw; fs->w = fs->wl->window; fs->wp = fs->w->active; /* use active pane */ cmd_find_log_state(__func__, fs); return (0); unknown_pane: /* * We're not running in a known pane, but maybe this client has TMUX * in the environment. That'd give us a session. */ s = cmd_find_try_TMUX(c); if (s != NULL) { cmd_find_from_session(fs, s); return (0); } /* Otherwise we need to guess. */ return (cmd_find_from_nothing(fs)); } /* * Split target into pieces and resolve for the given type. Fills in the given * state. Returns 0 on success or -1 on error. */ int cmd_find_target(struct cmd_find_state *fs, struct cmdq_item *item, const char *target, enum cmd_find_type type, int flags) { struct mouse_event *m; struct cmd_find_state current; char *colon, *period, *copy = NULL; const char *session, *window, *pane; int window_only = 0, pane_only = 0; /* Log the arguments. */ if (target == NULL) log_debug("%s: target none, type %d", __func__, type); else log_debug("%s: target %s, type %d", __func__, target, type); log_debug("%s: item %p, flags %#x", __func__, item, flags); /* Clear new state. */ cmd_find_clear_state(fs, flags); /* Find current state. */ if (server_check_marked() && (flags & CMD_FIND_DEFAULT_MARKED)) { fs->current = &marked_pane; log_debug("%s: current is marked pane", __func__); } else if (cmd_find_valid_state(&item->shared->current)) { fs->current = &item->shared->current; log_debug("%s: current is from queue", __func__); } else if (cmd_find_from_client(¤t, item->client) == 0) { fs->current = ¤t; log_debug("%s: current is from client", __func__); } else return (-1); if (!cmd_find_empty_state(fs->current) && !cmd_find_valid_state(fs->current)) fatalx("invalid current find state"); /* An empty or NULL target is the current. */ if (target == NULL || *target == '\0') goto current; /* Mouse target is a plain = or {mouse}. */ if (strcmp(target, "=") == 0 || strcmp(target, "{mouse}") == 0) { m = &item->shared->mouse; switch (type) { case CMD_FIND_PANE: fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl); if (fs->wp != NULL && !window_pane_outside(fs->wp)) fs->w = fs->wl->window; break; case CMD_FIND_WINDOW: case CMD_FIND_SESSION: fs->wl = cmd_mouse_window(m, &fs->s); if (fs->wl != NULL) { fs->w = fs->wl->window; fs->wp = fs->w->active; } break; } if (fs->wp == NULL) { if (~flags & CMD_FIND_QUIET) cmdq_error(item, "no mouse target"); goto error; } goto found; } /* Marked target is a plain ~ or {marked}. */ if (strcmp(target, "~") == 0 || strcmp(target, "{marked}") == 0) { if (!server_check_marked()) { if (~flags & CMD_FIND_QUIET) cmdq_error(item, "no marked target"); goto error; } cmd_find_copy_state(fs, &marked_pane); goto found; } /* Find separators if they exist. */ copy = xstrdup(target); colon = strchr(copy, ':'); if (colon != NULL) *colon++ = '\0'; if (colon == NULL) period = strchr(copy, '.'); else period = strchr(colon, '.'); if (period != NULL) *period++ = '\0'; /* Set session, window and pane parts. */ session = window = pane = NULL; if (colon != NULL && period != NULL) { session = copy; window = colon; window_only = 1; pane = period; pane_only = 1; } else if (colon != NULL && period == NULL) { session = copy; window = colon; window_only = 1; } else if (colon == NULL && period != NULL) { window = copy; pane = period; pane_only = 1; } else { if (*copy == '$') session = copy; else if (*copy == '@') window = copy; else if (*copy == '%') pane = copy; else { switch (type) { case CMD_FIND_SESSION: session = copy; break; case CMD_FIND_WINDOW: window = copy; break; case CMD_FIND_PANE: pane = copy; break; } } } /* Set exact match flags. */ if (session != NULL && *session == '=') { session++; fs->flags |= CMD_FIND_EXACT_SESSION; } if (window != NULL && *window == '=') { window++; fs->flags |= CMD_FIND_EXACT_WINDOW; } /* Empty is the same as NULL. */ if (session != NULL && *session == '\0') session = NULL; if (window != NULL && *window == '\0') window = NULL; if (pane != NULL && *pane == '\0') pane = NULL; /* Map though conversion table. */ if (session != NULL) session = cmd_find_map_table(cmd_find_session_table, session); if (window != NULL) window = cmd_find_map_table(cmd_find_window_table, window); if (pane != NULL) pane = cmd_find_map_table(cmd_find_pane_table, pane); log_debug("target %s (flags %#x): session=%s, window=%s, pane=%s", target, flags, session == NULL ? "none" : session, window == NULL ? "none" : window, pane == NULL ? "none" : pane); /* No pane is allowed if want an index. */ if (pane != NULL && (flags & CMD_FIND_WINDOW_INDEX)) { if (~flags & CMD_FIND_QUIET) cmdq_error(item, "can't specify pane here"); goto error; } /* If the session isn't NULL, look it up. */ if (session != NULL) { /* This will fill in session. */ if (cmd_find_get_session(fs, session) != 0) goto no_session; /* If window and pane are NULL, use that session's current. */ if (window == NULL && pane == NULL) { fs->wl = fs->s->curw; fs->idx = -1; fs->w = fs->wl->window; fs->wp = fs->w->active; goto found; } /* If window is present but pane not, find window in session. */ if (window != NULL && pane == NULL) { /* This will fill in winlink and window. */ if (cmd_find_get_window_with_session(fs, window) != 0) goto no_window; fs->wp = fs->wl->window->active; goto found; } /* If pane is present but window not, find pane. */ if (window == NULL && pane != NULL) { /* This will fill in winlink and window and pane. */ if (cmd_find_get_pane_with_session(fs, pane) != 0) goto no_pane; goto found; } /* * If window and pane are present, find both in session. This * will fill in winlink and window. */ if (cmd_find_get_window_with_session(fs, window) != 0) goto no_window; /* This will fill in pane. */ if (cmd_find_get_pane_with_window(fs, pane) != 0) goto no_pane; goto found; } /* No session. If window and pane, try them. */ if (window != NULL && pane != NULL) { /* This will fill in session, winlink and window. */ if (cmd_find_get_window(fs, window, window_only) != 0) goto no_window; /* This will fill in pane. */ if (cmd_find_get_pane_with_window(fs, pane) != 0) goto no_pane; goto found; } /* If just window is present, try it. */ if (window != NULL && pane == NULL) { /* This will fill in session, winlink and window. */ if (cmd_find_get_window(fs, window, window_only) != 0) goto no_window; fs->wp = fs->wl->window->active; goto found; } /* If just pane is present, try it. */ if (window == NULL && pane != NULL) { /* This will fill in session, winlink, window and pane. */ if (cmd_find_get_pane(fs, pane, pane_only) != 0) goto no_pane; goto found; } current: /* Use the current session. */ cmd_find_copy_state(fs, fs->current); if (flags & CMD_FIND_WINDOW_INDEX) fs->idx = -1; goto found; error: fs->current = NULL; log_debug("%s: error", __func__); free(copy); return (-1); found: fs->current = NULL; cmd_find_log_state(__func__, fs); free(copy); return (0); no_session: if (~flags & CMD_FIND_QUIET) cmdq_error(item, "can't find session %s", session); goto error; no_window: if (~flags & CMD_FIND_QUIET) cmdq_error(item, "can't find window %s", window); goto error; no_pane: if (~flags & CMD_FIND_QUIET) cmdq_error(item, "can't find pane %s", pane); goto error; } /* Find the target client or report an error and return NULL. */ struct client * cmd_find_client(struct cmdq_item *item, const char *target, int quiet) { struct client *c; struct session *s; char *copy; size_t size; /* A NULL argument means the current client. */ if (target == NULL) { c = NULL; if (item->client != NULL && item->client->session != NULL) c = item->client; else { s = cmd_find_best_session(NULL, 0, CMD_FIND_QUIET); if (s != NULL) c = cmd_find_best_client(s); } if (c == NULL && !quiet) cmdq_error(item, "no current client"); log_debug("%s: no target, return %p", __func__, c); return (c); } copy = xstrdup(target); /* Trim a single trailing colon if any. */ size = strlen(copy); if (size != 0 && copy[size - 1] == ':') copy[size - 1] = '\0'; /* Check name and path of each client. */ TAILQ_FOREACH(c, &clients, entry) { if (c->session == NULL) continue; if (strcmp(copy, c->name) == 0) break; if (*c->ttyname == '\0') continue; if (strcmp(copy, c->ttyname) == 0) break; if (strncmp(c->ttyname, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0) continue; if (strcmp(copy, c->ttyname + (sizeof _PATH_DEV) - 1) == 0) break; } /* If no client found, report an error. */ if (c == NULL && !quiet) cmdq_error(item, "can't find client %s", copy); free(copy); log_debug("%s: target %s, return %p", __func__, target, c); return (c); }