mirror of
https://github.com/tmux/tmux.git
synced 2025-11-04 00:56:10 +00:00
Merge branch 'obsd-master'
Conflicts: Makefile tmux.1
This commit is contained in:
Thomas Adam
937
cmd.c
937
cmd.c
@@ -115,24 +115,6 @@ const struct cmd_entry *cmd_table[] = {
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NULL
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};
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||||
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ARRAY_DECL(client_list, struct client *);
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ARRAY_DECL(sessionslist, struct session *);
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int cmd_session_better(struct session *, struct session *, int);
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struct session *cmd_choose_session_list(struct sessionslist *);
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struct session *cmd_choose_session(int);
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struct client *cmd_choose_client(struct client_list *);
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struct client *cmd_lookup_client(const char *);
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struct session *cmd_lookup_session(struct cmd_q *, const char *, int *);
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struct winlink *cmd_lookup_window(struct session *, const char *, int *);
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int cmd_lookup_index(struct session *, const char *, int *);
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struct winlink *cmd_lookup_winlink_windowid(struct session *, const char *);
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struct session *cmd_window_session(struct cmd_q *, struct window *,
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struct winlink **);
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struct winlink *cmd_find_window_offset(const char *, struct session *, int *);
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int cmd_find_index_offset(const char *, struct session *, int *);
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struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
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int
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cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
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{
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@@ -331,183 +313,6 @@ cmd_print(struct cmd *cmd, char *buf, size_t len)
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return (off);
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}
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/*
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* Figure out the current session. Use: 1) the current session, if the command
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* context has one; 2) the most recently used session containing the pty of the
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* calling client, if any; 3) the session specified in the TMUX variable from
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* the environment (as passed from the client); 4) the most recently used
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* session from all sessions.
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*/
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struct session *
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cmd_current_session(struct cmd_q *cmdq, int prefer_unattached)
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{
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struct client *c = cmdq->client;
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struct session *s;
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struct sessionslist ss;
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struct winlink *wl;
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struct window_pane *wp;
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const char *path;
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int found;
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/* Try the queue session. */
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if (c != NULL && c->session != NULL)
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return (c->session);
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/*
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* If the name of the calling client's pty is known, build a list of
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* the sessions that contain it and if any choose either the first or
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* the newest.
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*/
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path = c == NULL ? NULL : c->tty.path;
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if (path != NULL) {
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ARRAY_INIT(&ss);
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RB_FOREACH(s, sessions, &sessions) {
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found = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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TAILQ_FOREACH(wp, &wl->window->panes, entry) {
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if (strcmp(wp->tty, path) == 0) {
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found = 1;
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break;
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}
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}
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if (found)
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break;
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}
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if (found)
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ARRAY_ADD(&ss, s);
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}
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s = cmd_choose_session_list(&ss);
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ARRAY_FREE(&ss);
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if (s != NULL)
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return (s);
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}
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return (cmd_choose_session(prefer_unattached));
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}
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/* Is this session better? */
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int
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cmd_session_better(struct session *s, struct session *best,
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int prefer_unattached)
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{
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if (best == NULL)
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return (1);
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if (prefer_unattached) {
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if (!(best->flags & SESSION_UNATTACHED) &&
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(s->flags & SESSION_UNATTACHED))
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return (1);
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else if ((best->flags & SESSION_UNATTACHED) &&
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!(s->flags & SESSION_UNATTACHED))
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return (0);
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}
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return (timercmp(&s->activity_time, &best->activity_time, >));
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}
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/*
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* Find the most recently used session, preferring unattached if the flag is
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* set.
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*/
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struct session *
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cmd_choose_session(int prefer_unattached)
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{
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struct session *s, *best;
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best = NULL;
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RB_FOREACH(s, sessions, &sessions) {
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if (cmd_session_better(s, best, prefer_unattached))
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best = s;
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}
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return (best);
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}
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/* Find the most recently used session from a list. */
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struct session *
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cmd_choose_session_list(struct sessionslist *ss)
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{
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struct session *s, *sbest;
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struct timeval *tv = NULL;
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u_int i;
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sbest = NULL;
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for (i = 0; i < ARRAY_LENGTH(ss); i++) {
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if ((s = ARRAY_ITEM(ss, i)) == NULL)
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continue;
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if (tv == NULL || timercmp(&s->activity_time, tv, >)) {
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sbest = s;
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tv = &s->activity_time;
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}
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}
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return (sbest);
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}
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/*
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* Find the current client. First try the current client if set, then pick the
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* most recently used of the clients attached to the current session if any,
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* then of all clients.
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*/
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struct client *
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cmd_current_client(struct cmd_q *cmdq)
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{
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struct session *s;
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struct client *c;
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struct client_list cc;
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if (cmdq->client != NULL && cmdq->client->session != NULL)
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return (cmdq->client);
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/*
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* No current client set. Find the current session and return the
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* newest of its clients.
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*/
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s = cmd_current_session(cmdq, 0);
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if (s != NULL && !(s->flags & SESSION_UNATTACHED)) {
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ARRAY_INIT(&cc);
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TAILQ_FOREACH(c, &clients, entry) {
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if (s == c->session)
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ARRAY_ADD(&cc, c);
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}
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c = cmd_choose_client(&cc);
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ARRAY_FREE(&cc);
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if (c != NULL)
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return (c);
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}
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ARRAY_INIT(&cc);
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TAILQ_FOREACH(c, &clients, entry)
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ARRAY_ADD(&cc, c);
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c = cmd_choose_client(&cc);
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ARRAY_FREE(&cc);
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return (c);
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}
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/* Choose the most recently used client from a list. */
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struct client *
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cmd_choose_client(struct client_list *cc)
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{
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struct client *c, *cbest;
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struct timeval *tv = NULL;
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u_int i;
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||||
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cbest = NULL;
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for (i = 0; i < ARRAY_LENGTH(cc); i++) {
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if ((c = ARRAY_ITEM(cc, i)) == NULL)
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continue;
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if (c->session == NULL)
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continue;
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if (tv == NULL || timercmp(&c->activity_time, tv, >)) {
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cbest = c;
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tv = &c->activity_time;
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}
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}
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return (cbest);
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}
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/* Adjust current mouse position for a pane. */
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int
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cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp,
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@@ -559,7 +364,8 @@ cmd_mouse_window(struct mouse_event *m, struct session **sp)
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/* Get current mouse pane if any. */
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struct window_pane *
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cmd_mouse_pane(struct mouse_event *m, struct session **sp, struct winlink **wlp)
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cmd_mouse_pane(struct mouse_event *m, struct session **sp,
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struct winlink **wlp)
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{
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struct winlink *wl;
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struct window_pane *wp;
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@@ -576,745 +382,6 @@ cmd_mouse_pane(struct mouse_event *m, struct session **sp, struct winlink **wlp)
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return (wp);
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}
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/* Find the target client or report an error and return NULL. */
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struct client *
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cmd_find_client(struct cmd_q *cmdq, const char *arg, int quiet)
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{
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struct client *c;
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char *tmparg;
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size_t arglen;
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/* A NULL argument means the current client. */
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if (arg == NULL) {
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c = cmd_current_client(cmdq);
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if (c == NULL && !quiet)
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cmdq_error(cmdq, "no clients");
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return (c);
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}
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tmparg = xstrdup(arg);
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/* Trim a single trailing colon if any. */
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arglen = strlen(tmparg);
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if (arglen != 0 && tmparg[arglen - 1] == ':')
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tmparg[arglen - 1] = '\0';
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/* Find the client, if any. */
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c = cmd_lookup_client(tmparg);
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/* If no client found, report an error. */
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if (c == NULL && !quiet)
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cmdq_error(cmdq, "client not found: %s", tmparg);
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free(tmparg);
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return (c);
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}
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/*
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* Lookup a client by device path. Either of a full match and a match without a
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* leading _PATH_DEV ("/dev/") is accepted.
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*/
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struct client *
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cmd_lookup_client(const char *name)
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{
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struct client *c;
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const char *path;
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TAILQ_FOREACH(c, &clients, entry) {
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if (c->session == NULL || c->tty.path == NULL)
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continue;
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path = c->tty.path;
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||||
|
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/* Check for exact matches. */
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if (strcmp(name, path) == 0)
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return (c);
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|
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/* Check without leading /dev if present. */
|
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if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
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continue;
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if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0)
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||||
return (c);
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}
|
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|
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return (NULL);
|
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}
|
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|
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/* Lookup a session by name. If no session is found, NULL is returned. */
|
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struct session *
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cmd_lookup_session(struct cmd_q *cmdq, const char *name, int *ambiguous)
|
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{
|
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struct session *s, *sfound;
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struct window *w;
|
||||
struct window_pane *wp;
|
||||
|
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*ambiguous = 0;
|
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|
||||
/* Look for $id first. */
|
||||
if ((s = session_find_by_id_str(name)) != NULL)
|
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return (s);
|
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|
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/* Try as pane or window id. */
|
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if ((wp = window_pane_find_by_id_str(name)) != NULL)
|
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return (cmd_window_session(cmdq, wp->window, NULL));
|
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if ((w = window_find_by_id_str(name)) != NULL)
|
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return (cmd_window_session(cmdq, w, NULL));
|
||||
|
||||
/*
|
||||
* Look for matches. First look for exact matches - session names must
|
||||
* be unique so an exact match can't be ambigious and can just be
|
||||
* returned.
|
||||
*/
|
||||
if ((s = session_find(name)) != NULL)
|
||||
return (s);
|
||||
|
||||
/*
|
||||
* Otherwise look for partial matches, returning early if it is found to
|
||||
* be ambiguous.
|
||||
*/
|
||||
sfound = NULL;
|
||||
RB_FOREACH(s, sessions, &sessions) {
|
||||
if (strncmp(name, s->name, strlen(name)) == 0 ||
|
||||
fnmatch(name, s->name, 0) == 0) {
|
||||
if (sfound != NULL) {
|
||||
*ambiguous = 1;
|
||||
return (NULL);
|
||||
}
|
||||
sfound = s;
|
||||
}
|
||||
}
|
||||
return (sfound);
|
||||
}
|
||||
|
||||
/*
|
||||
* Lookup a window or return -1 if not found or ambigious. First try as an
|
||||
* index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
|
||||
* idx if the window index is a valid number but there is no window with that
|
||||
* index.
|
||||
*/
|
||||
struct winlink *
|
||||
cmd_lookup_window(struct session *s, const char *name, int *ambiguous)
|
||||
{
|
||||
struct winlink *wl, *wlfound;
|
||||
struct window *w;
|
||||
struct window_pane *wp;
|
||||
const char *errstr;
|
||||
u_int idx;
|
||||
|
||||
*ambiguous = 0;
|
||||
|
||||
/* Try as pane or window id. */
|
||||
if ((wl = cmd_lookup_winlink_windowid(s, name)) != NULL)
|
||||
return (wl);
|
||||
|
||||
/* Lookup as pane or window id. */
|
||||
if ((wp = window_pane_find_by_id_str(name)) != NULL) {
|
||||
wl = winlink_find_by_window(&s->windows, wp->window);
|
||||
if (wl != NULL)
|
||||
return (wl);
|
||||
}
|
||||
if ((w = window_find_by_id_str(name)) != NULL) {
|
||||
wl = winlink_find_by_window(&s->windows, w);
|
||||
if (wl != NULL)
|
||||
return (wl);
|
||||
}
|
||||
|
||||
/* First see if this is a valid window index in this session. */
|
||||
idx = strtonum(name, 0, INT_MAX, &errstr);
|
||||
if (errstr == NULL) {
|
||||
if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL)
|
||||
return (wl);
|
||||
}
|
||||
|
||||
/* Look for exact matches, error if more than one. */
|
||||
wlfound = NULL;
|
||||
RB_FOREACH(wl, winlinks, &s->windows) {
|
||||
if (strcmp(name, wl->window->name) == 0) {
|
||||
if (wlfound != NULL) {
|
||||
*ambiguous = 1;
|
||||
return (NULL);
|
||||
}
|
||||
wlfound = wl;
|
||||
}
|
||||
}
|
||||
if (wlfound != NULL)
|
||||
return (wlfound);
|
||||
|
||||
/* Now look for pattern matches, again error if multiple. */
|
||||
wlfound = NULL;
|
||||
RB_FOREACH(wl, winlinks, &s->windows) {
|
||||
if (strncmp(name, wl->window->name, strlen(name)) == 0 ||
|
||||
fnmatch(name, wl->window->name, 0) == 0) {
|
||||
if (wlfound != NULL) {
|
||||
*ambiguous = 1;
|
||||
return (NULL);
|
||||
}
|
||||
wlfound = wl;
|
||||
}
|
||||
}
|
||||
if (wlfound != NULL)
|
||||
return (wlfound);
|
||||
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Find a window index - if the window doesn't exist, check if it is a
|
||||
* potential index and return it anyway.
|
||||
*/
|
||||
int
|
||||
cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
|
||||
{
|
||||
struct winlink *wl;
|
||||
const char *errstr;
|
||||
u_int idx;
|
||||
|
||||
idx = strtonum(name, 0, INT_MAX, &errstr);
|
||||
if (errstr == NULL)
|
||||
return (idx);
|
||||
|
||||
if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL)
|
||||
return (wl->idx);
|
||||
if (*ambiguous)
|
||||
return (-1);
|
||||
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/* Lookup window id in a session. An initial @ means a window id. */
|
||||
struct winlink *
|
||||
cmd_lookup_winlink_windowid(struct session *s, const char *arg)
|
||||
{
|
||||
const char *errstr;
|
||||
u_int windowid;
|
||||
|
||||
if (*arg != '@')
|
||||
return (NULL);
|
||||
|
||||
windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
|
||||
if (errstr != NULL)
|
||||
return (NULL);
|
||||
return (winlink_find_by_window_id(&s->windows, windowid));
|
||||
}
|
||||
|
||||
/* Find session and winlink for window. */
|
||||
struct session *
|
||||
cmd_window_session(struct cmd_q *cmdq, struct window *w, struct winlink **wlp)
|
||||
{
|
||||
struct session *s;
|
||||
struct sessionslist ss;
|
||||
struct winlink *wl;
|
||||
|
||||
/* If this window is in the current session, return that winlink. */
|
||||
s = cmd_current_session(cmdq, 0);
|
||||
if (s != NULL) {
|
||||
wl = winlink_find_by_window(&s->windows, w);
|
||||
if (wl != NULL) {
|
||||
if (wlp != NULL)
|
||||
*wlp = wl;
|
||||
return (s);
|
||||
}
|
||||
}
|
||||
|
||||
/* Otherwise choose from all sessions with this window. */
|
||||
ARRAY_INIT(&ss);
|
||||
RB_FOREACH(s, sessions, &sessions) {
|
||||
if (winlink_find_by_window(&s->windows, w) != NULL)
|
||||
ARRAY_ADD(&ss, s);
|
||||
}
|
||||
s = cmd_choose_session_list(&ss);
|
||||
ARRAY_FREE(&ss);
|
||||
if (wlp != NULL)
|
||||
*wlp = winlink_find_by_window(&s->windows, w);
|
||||
return (s);
|
||||
}
|
||||
|
||||
/* Find the target session or report an error and return NULL. */
|
||||
struct session *
|
||||
cmd_find_session(struct cmd_q *cmdq, const char *arg, int prefer_unattached)
|
||||
{
|
||||
struct session *s;
|
||||
struct client *c;
|
||||
char *tmparg;
|
||||
size_t arglen;
|
||||
int ambiguous;
|
||||
|
||||
/* A NULL argument means the current session. */
|
||||
if (arg == NULL) {
|
||||
if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL)
|
||||
cmdq_error(cmdq, "can't establish current session");
|
||||
return (s);
|
||||
}
|
||||
|
||||
/* Trim a single trailing colon if any. */
|
||||
tmparg = xstrdup(arg);
|
||||
arglen = strlen(tmparg);
|
||||
if (arglen != 0 && tmparg[arglen - 1] == ':')
|
||||
tmparg[arglen - 1] = '\0';
|
||||
|
||||
/* An empty session name is the current session. */
|
||||
if (*tmparg == '\0') {
|
||||
free(tmparg);
|
||||
if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL)
|
||||
cmdq_error(cmdq, "can't establish current session");
|
||||
return (s);
|
||||
}
|
||||
|
||||
/* Find the session, if any. */
|
||||
s = cmd_lookup_session(cmdq, tmparg, &ambiguous);
|
||||
|
||||
/* If it doesn't, try to match it as a client. */
|
||||
if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL)
|
||||
s = c->session;
|
||||
|
||||
/* If no session found, report an error. */
|
||||
if (s == NULL) {
|
||||
if (ambiguous)
|
||||
cmdq_error(cmdq, "more than one session: %s", tmparg);
|
||||
else
|
||||
cmdq_error(cmdq, "session not found: %s", tmparg);
|
||||
}
|
||||
|
||||
free(tmparg);
|
||||
return (s);
|
||||
}
|
||||
|
||||
/* Find the target session and window or report an error and return NULL. */
|
||||
struct winlink *
|
||||
cmd_find_window(struct cmd_q *cmdq, const char *arg, struct session **sp)
|
||||
{
|
||||
struct session *s;
|
||||
struct winlink *wl;
|
||||
const char *winptr;
|
||||
char *sessptr = NULL;
|
||||
int ambiguous = 0;
|
||||
|
||||
/*
|
||||
* Find the current session. There must always be a current session, if
|
||||
* it can't be found, report an error.
|
||||
*/
|
||||
if ((s = cmd_current_session(cmdq, 0)) == NULL) {
|
||||
cmdq_error(cmdq, "can't establish current session");
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/* A NULL argument means the current session and window. */
|
||||
if (arg == NULL) {
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
return (s->curw);
|
||||
}
|
||||
|
||||
/* Time to look at the argument. If it is empty, that is an error. */
|
||||
if (*arg == '\0')
|
||||
goto not_found;
|
||||
|
||||
/* Find the separating colon and split into window and session. */
|
||||
winptr = strchr(arg, ':');
|
||||
if (winptr == NULL)
|
||||
goto no_colon;
|
||||
winptr++; /* skip : */
|
||||
sessptr = xstrdup(arg);
|
||||
*strchr(sessptr, ':') = '\0';
|
||||
|
||||
/* Try to lookup the session if present. */
|
||||
if (*sessptr != '\0') {
|
||||
if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL)
|
||||
goto no_session;
|
||||
}
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
/*
|
||||
* Then work out the window. An empty string is the current window,
|
||||
* otherwise try special cases then to look it up in the session.
|
||||
*/
|
||||
if (*winptr == '\0')
|
||||
wl = s->curw;
|
||||
else if (winptr[0] == '!' && winptr[1] == '\0')
|
||||
wl = TAILQ_FIRST(&s->lastw);
|
||||
else if (winptr[0] == '^' && winptr[1] == '\0')
|
||||
wl = RB_MIN(winlinks, &s->windows);
|
||||
else if (winptr[0] == '$' && winptr[1] == '\0')
|
||||
wl = RB_MAX(winlinks, &s->windows);
|
||||
else if (winptr[0] == '+' || winptr[0] == '-')
|
||||
wl = cmd_find_window_offset(winptr, s, &ambiguous);
|
||||
else
|
||||
wl = cmd_lookup_window(s, winptr, &ambiguous);
|
||||
if (wl == NULL)
|
||||
goto not_found;
|
||||
|
||||
if (sessptr != NULL)
|
||||
free(sessptr);
|
||||
return (wl);
|
||||
|
||||
no_colon:
|
||||
/*
|
||||
* No colon in the string, first try special cases, then as a window
|
||||
* and lastly as a session.
|
||||
*/
|
||||
if (arg[0] == '=' && arg[1] == '\0') {
|
||||
if ((wl = cmd_mouse_window(&cmdq->item->mouse, &s)) == NULL) {
|
||||
cmdq_error(cmdq, "no mouse target");
|
||||
goto error;
|
||||
}
|
||||
} else if (arg[0] == '!' && arg[1] == '\0') {
|
||||
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
|
||||
goto not_found;
|
||||
} else if (arg[0] == '+' || arg[0] == '-') {
|
||||
if ((wl = cmd_find_window_offset(arg, s, &ambiguous)) == NULL)
|
||||
goto lookup_session;
|
||||
} else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL)
|
||||
goto lookup_session;
|
||||
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
return (wl);
|
||||
|
||||
lookup_session:
|
||||
if (ambiguous)
|
||||
goto not_found;
|
||||
if (*arg != '\0' &&
|
||||
(s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL)
|
||||
goto no_session;
|
||||
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
return (s->curw);
|
||||
|
||||
no_session:
|
||||
if (ambiguous)
|
||||
cmdq_error(cmdq, "multiple sessions: %s", arg);
|
||||
else
|
||||
cmdq_error(cmdq, "session not found: %s", arg);
|
||||
goto error;
|
||||
|
||||
not_found:
|
||||
if (ambiguous)
|
||||
cmdq_error(cmdq, "multiple windows: %s", arg);
|
||||
else
|
||||
cmdq_error(cmdq, "window not found: %s", arg);
|
||||
goto error;
|
||||
|
||||
error:
|
||||
free(sessptr);
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
struct winlink *
|
||||
cmd_find_window_offset(const char *winptr, struct session *s, int *ambiguous)
|
||||
{
|
||||
struct winlink *wl;
|
||||
int offset = 1;
|
||||
|
||||
if (winptr[1] != '\0')
|
||||
offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
|
||||
if (offset == 0)
|
||||
wl = cmd_lookup_window(s, winptr, ambiguous);
|
||||
else {
|
||||
if (winptr[0] == '+')
|
||||
wl = winlink_next_by_number(s->curw, s, offset);
|
||||
else
|
||||
wl = winlink_previous_by_number(s->curw, s, offset);
|
||||
}
|
||||
|
||||
return (wl);
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the target session and window index, whether or not it exists in the
|
||||
* session. Return -2 on error or -1 if no window index is specified. This is
|
||||
* used when parsing an argument for a window target that may not exist (for
|
||||
* example if it is going to be created).
|
||||
*/
|
||||
int
|
||||
cmd_find_index(struct cmd_q *cmdq, const char *arg, struct session **sp)
|
||||
{
|
||||
struct session *s;
|
||||
struct winlink *wl;
|
||||
const char *winptr;
|
||||
char *sessptr = NULL;
|
||||
int idx, ambiguous = 0;
|
||||
|
||||
/*
|
||||
* Find the current session. There must always be a current session, if
|
||||
* it can't be found, report an error.
|
||||
*/
|
||||
if ((s = cmd_current_session(cmdq, 0)) == NULL) {
|
||||
cmdq_error(cmdq, "can't establish current session");
|
||||
return (-2);
|
||||
}
|
||||
|
||||
/* A NULL argument means the current session and "no window" (-1). */
|
||||
if (arg == NULL) {
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/* Time to look at the argument. If it is empty, that is an error. */
|
||||
if (*arg == '\0')
|
||||
goto not_found;
|
||||
|
||||
/* Find the separating colon. If none, assume the current session. */
|
||||
winptr = strchr(arg, ':');
|
||||
if (winptr == NULL)
|
||||
goto no_colon;
|
||||
winptr++; /* skip : */
|
||||
sessptr = xstrdup(arg);
|
||||
*strchr(sessptr, ':') = '\0';
|
||||
|
||||
/* Try to lookup the session if present. */
|
||||
if (sessptr != NULL && *sessptr != '\0') {
|
||||
if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL)
|
||||
goto no_session;
|
||||
}
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
/*
|
||||
* Then work out the window. An empty string is a new window otherwise
|
||||
* try to look it up in the session.
|
||||
*/
|
||||
if (*winptr == '\0')
|
||||
idx = -1;
|
||||
else if (winptr[0] == '!' && winptr[1] == '\0') {
|
||||
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
|
||||
goto not_found;
|
||||
idx = wl->idx;
|
||||
} else if (winptr[0] == '+' || winptr[0] == '-') {
|
||||
if ((idx = cmd_find_index_offset(winptr, s, &ambiguous)) < 0)
|
||||
goto invalid_index;
|
||||
} else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1)
|
||||
goto invalid_index;
|
||||
|
||||
free(sessptr);
|
||||
return (idx);
|
||||
|
||||
no_colon:
|
||||
/*
|
||||
* No colon in the string, first try special cases, then as a window
|
||||
* and lastly as a session.
|
||||
*/
|
||||
if (arg[0] == '!' && arg[1] == '\0') {
|
||||
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
|
||||
goto not_found;
|
||||
idx = wl->idx;
|
||||
} else if (arg[0] == '+' || arg[0] == '-') {
|
||||
if ((idx = cmd_find_index_offset(arg, s, &ambiguous)) < 0)
|
||||
goto lookup_session;
|
||||
} else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1)
|
||||
goto lookup_session;
|
||||
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
return (idx);
|
||||
|
||||
lookup_session:
|
||||
if (ambiguous)
|
||||
goto not_found;
|
||||
if (*arg != '\0' &&
|
||||
(s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL)
|
||||
goto no_session;
|
||||
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
return (-1);
|
||||
|
||||
no_session:
|
||||
if (ambiguous)
|
||||
cmdq_error(cmdq, "multiple sessions: %s", arg);
|
||||
else
|
||||
cmdq_error(cmdq, "session not found: %s", arg);
|
||||
free(sessptr);
|
||||
return (-2);
|
||||
|
||||
invalid_index:
|
||||
if (ambiguous)
|
||||
goto not_found;
|
||||
cmdq_error(cmdq, "invalid index: %s", arg);
|
||||
|
||||
free(sessptr);
|
||||
return (-2);
|
||||
|
||||
not_found:
|
||||
if (ambiguous)
|
||||
cmdq_error(cmdq, "multiple windows: %s", arg);
|
||||
else
|
||||
cmdq_error(cmdq, "window not found: %s", arg);
|
||||
free(sessptr);
|
||||
return (-2);
|
||||
}
|
||||
|
||||
int
|
||||
cmd_find_index_offset(const char *winptr, struct session *s, int *ambiguous)
|
||||
{
|
||||
int idx, offset = 1;
|
||||
|
||||
if (winptr[1] != '\0')
|
||||
offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
|
||||
if (offset == 0)
|
||||
idx = cmd_lookup_index(s, winptr, ambiguous);
|
||||
else {
|
||||
if (winptr[0] == '+') {
|
||||
if (s->curw->idx == INT_MAX)
|
||||
idx = cmd_lookup_index(s, winptr, ambiguous);
|
||||
else
|
||||
idx = s->curw->idx + offset;
|
||||
} else {
|
||||
if (s->curw->idx == 0)
|
||||
idx = cmd_lookup_index(s, winptr, ambiguous);
|
||||
else
|
||||
idx = s->curw->idx - offset;
|
||||
}
|
||||
}
|
||||
|
||||
return (idx);
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the target session, window and pane number or report an error and
|
||||
* return NULL. The pane number is separated from the session:window by a .,
|
||||
* such as mysession:mywindow.0.
|
||||
*/
|
||||
struct winlink *
|
||||
cmd_find_pane(struct cmd_q *cmdq,
|
||||
const char *arg, struct session **sp, struct window_pane **wpp)
|
||||
{
|
||||
struct session *s;
|
||||
struct winlink *wl;
|
||||
const char *period, *errstr;
|
||||
char *winptr, *paneptr;
|
||||
u_int idx;
|
||||
|
||||
/* Get the current session. */
|
||||
if ((s = cmd_current_session(cmdq, 0)) == NULL) {
|
||||
cmdq_error(cmdq, "can't establish current session");
|
||||
return (NULL);
|
||||
}
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
|
||||
/* A NULL argument means the current session, window and pane. */
|
||||
if (arg == NULL) {
|
||||
*wpp = s->curw->window->active;
|
||||
return (s->curw);
|
||||
}
|
||||
|
||||
/* Lookup as pane id. */
|
||||
if ((*wpp = window_pane_find_by_id_str(arg)) != NULL) {
|
||||
s = cmd_window_session(cmdq, (*wpp)->window, &wl);
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
return (wl);
|
||||
}
|
||||
|
||||
/* Look for a separating period. */
|
||||
if ((period = strrchr(arg, '.')) == NULL)
|
||||
goto no_period;
|
||||
|
||||
/* Pull out the window part and parse it. */
|
||||
winptr = xstrdup(arg);
|
||||
winptr[period - arg] = '\0';
|
||||
if (*winptr == '\0')
|
||||
wl = s->curw;
|
||||
else if ((wl = cmd_find_window(cmdq, winptr, sp)) == NULL)
|
||||
goto error;
|
||||
|
||||
/* Find the pane section and look it up. */
|
||||
paneptr = winptr + (period - arg) + 1;
|
||||
if (*paneptr == '\0')
|
||||
*wpp = wl->window->active;
|
||||
else if (paneptr[0] == '+' || paneptr[0] == '-')
|
||||
*wpp = cmd_find_pane_offset(paneptr, wl);
|
||||
else if (paneptr[0] == '!' && paneptr[1] == '\0') {
|
||||
if (wl->window->last == NULL) {
|
||||
cmdq_error(cmdq, "no last pane");
|
||||
goto error;
|
||||
}
|
||||
*wpp = wl->window->last;
|
||||
} else {
|
||||
idx = strtonum(paneptr, 0, INT_MAX, &errstr);
|
||||
if (errstr != NULL)
|
||||
goto lookup_string;
|
||||
*wpp = window_pane_at_index(wl->window, idx);
|
||||
if (*wpp == NULL)
|
||||
goto lookup_string;
|
||||
}
|
||||
|
||||
free(winptr);
|
||||
return (wl);
|
||||
|
||||
lookup_string:
|
||||
/* Try pane string description. */
|
||||
if ((*wpp = window_find_string(wl->window, paneptr)) == NULL) {
|
||||
cmdq_error(cmdq, "can't find pane: %s", paneptr);
|
||||
goto error;
|
||||
}
|
||||
|
||||
free(winptr);
|
||||
return (wl);
|
||||
|
||||
no_period:
|
||||
/* Check mouse event. */
|
||||
if (arg[0] == '=' && arg[1] == '\0') {
|
||||
*wpp = cmd_mouse_pane(&cmdq->item->mouse, &s, &wl);
|
||||
if (*wpp == NULL) {
|
||||
cmdq_error(cmdq, "no mouse target");
|
||||
return (NULL);
|
||||
}
|
||||
if (sp != NULL)
|
||||
*sp = s;
|
||||
return (wl);
|
||||
}
|
||||
|
||||
/* Try as a pane number alone. */
|
||||
idx = strtonum(arg, 0, INT_MAX, &errstr);
|
||||
if (errstr != NULL)
|
||||
goto lookup_window;
|
||||
|
||||
/* Try index in the current session and window. */
|
||||
if ((*wpp = window_pane_at_index(s->curw->window, idx)) == NULL)
|
||||
goto lookup_window;
|
||||
|
||||
return (s->curw);
|
||||
|
||||
lookup_window:
|
||||
/* Try pane string description. */
|
||||
if ((*wpp = window_find_string(s->curw->window, arg)) != NULL)
|
||||
return (s->curw);
|
||||
|
||||
/* Try as a window and use the active pane. */
|
||||
if ((wl = cmd_find_window(cmdq, arg, sp)) != NULL)
|
||||
*wpp = wl->window->active;
|
||||
return (wl);
|
||||
|
||||
error:
|
||||
free(winptr);
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
struct window_pane *
|
||||
cmd_find_pane_offset(const char *paneptr, struct winlink *wl)
|
||||
{
|
||||
struct window *w = wl->window;
|
||||
struct window_pane *wp = w->active;
|
||||
u_int offset = 1;
|
||||
|
||||
if (paneptr[1] != '\0')
|
||||
offset = strtonum(paneptr + 1, 1, INT_MAX, NULL);
|
||||
if (offset > 0) {
|
||||
if (paneptr[0] == '+')
|
||||
wp = window_pane_next_by_number(w, wp, offset);
|
||||
else
|
||||
wp = window_pane_previous_by_number(w, wp, offset);
|
||||
}
|
||||
|
||||
return (wp);
|
||||
}
|
||||
|
||||
/* Replace the first %% or %idx in template by s. */
|
||||
char *
|
||||
cmd_template_replace(const char *template, const char *s, int idx)
|
||||
|
||||
Reference in New Issue
Block a user