mirror of
				https://github.com/tmux/tmux.git
				synced 2025-11-03 16:46:18 +00:00 
			
		
		
		
	Merge branch 'obsd-master'
This commit is contained in:
		
							
								
								
									
										281
									
								
								cmd.c
									
									
									
									
									
								
							
							
						
						
									
										281
									
								
								cmd.c
									
									
									
									
									
								
							@@ -206,6 +206,10 @@ const struct cmd_entry *cmd_table[] = {
 | 
			
		||||
	NULL
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
static void		 cmd_clear_state(struct cmd_state *);
 | 
			
		||||
static struct client	*cmd_get_state_client(struct cmd_q *, int);
 | 
			
		||||
static int		 cmd_set_state_flag(struct cmd *, struct cmd_q *, char);
 | 
			
		||||
 | 
			
		||||
int
 | 
			
		||||
cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
 | 
			
		||||
{
 | 
			
		||||
@@ -387,6 +391,283 @@ usage:
 | 
			
		||||
	return (NULL);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void
 | 
			
		||||
cmd_clear_state(struct cmd_state *state)
 | 
			
		||||
{
 | 
			
		||||
	state->c = NULL;
 | 
			
		||||
 | 
			
		||||
	state->tflag.s = NULL;
 | 
			
		||||
	state->tflag.wl = NULL;
 | 
			
		||||
	state->tflag.wp = NULL;
 | 
			
		||||
	state->tflag.idx = -1;
 | 
			
		||||
 | 
			
		||||
	state->sflag.s = NULL;
 | 
			
		||||
	state->sflag.wl = NULL;
 | 
			
		||||
	state->sflag.wp = NULL;
 | 
			
		||||
	state->sflag.idx = -1;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static struct client *
 | 
			
		||||
cmd_get_state_client(struct cmd_q *cmdq, int quiet)
 | 
			
		||||
{
 | 
			
		||||
	struct cmd	*cmd = cmdq->cmd;
 | 
			
		||||
	struct args	*args = cmd->args;
 | 
			
		||||
 | 
			
		||||
	switch (cmd->entry->flags & (CMD_CLIENT_C|CMD_CLIENT_T)) {
 | 
			
		||||
	case 0:
 | 
			
		||||
		return (cmd_find_client(cmdq, NULL, 1));
 | 
			
		||||
	case CMD_CLIENT_C:
 | 
			
		||||
		return (cmd_find_client(cmdq, args_get(args, 'c'), quiet));
 | 
			
		||||
	case CMD_CLIENT_T:
 | 
			
		||||
		return (cmd_find_client(cmdq, args_get(args, 't'), quiet));
 | 
			
		||||
	default:
 | 
			
		||||
		fatalx("both -t and -c for %s", cmd->entry->name);
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int
 | 
			
		||||
cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 | 
			
		||||
{
 | 
			
		||||
	struct cmd_state	*state = &cmdq->state;
 | 
			
		||||
	struct cmd_state_flag	*statef = NULL;
 | 
			
		||||
	const char		*flag;
 | 
			
		||||
	int			 flags = cmd->entry->flags, everything = 0;
 | 
			
		||||
	int			 allflags = 0, targetflags;
 | 
			
		||||
	struct session		*s;
 | 
			
		||||
	struct window		*w;
 | 
			
		||||
	struct winlink		*wl;
 | 
			
		||||
	struct window_pane	*wp;
 | 
			
		||||
	struct cmd_find_state	*fs;
 | 
			
		||||
 | 
			
		||||
	/* Set up state for either -t or -s. */
 | 
			
		||||
	if (c == 't') {
 | 
			
		||||
		statef = &cmdq->state.tflag;
 | 
			
		||||
		allflags = CMD_ALL_T;
 | 
			
		||||
	} else if (c == 's') {
 | 
			
		||||
		statef = &cmdq->state.sflag;
 | 
			
		||||
		allflags = CMD_ALL_S;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
	 * If the command wants something and no argument is present, use the
 | 
			
		||||
	 * base command instead.
 | 
			
		||||
	 */
 | 
			
		||||
	flag = args_get(cmd->args, c);
 | 
			
		||||
	if (flag == NULL) {
 | 
			
		||||
		if ((flags & allflags) == 0)
 | 
			
		||||
			return (0); /* doesn't care about flag */
 | 
			
		||||
		cmd = cmdq->cmd;
 | 
			
		||||
		everything = 1;
 | 
			
		||||
		flag = args_get(cmd->args, c);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
	 * If no flag and the current command is allowed to fail, just skip to
 | 
			
		||||
	 * fill in as much we can, otherwise continue and fail later if needed.
 | 
			
		||||
	 */
 | 
			
		||||
	if (flag == NULL && (flags & CMD_CANFAIL))
 | 
			
		||||
		goto complete_everything;
 | 
			
		||||
 | 
			
		||||
	/* Fill in state using command (current or base) flags. */
 | 
			
		||||
	if (flags & CMD_PREFERUNATTACHED)
 | 
			
		||||
		targetflags = CMD_FIND_PREFER_UNATTACHED;
 | 
			
		||||
	else
 | 
			
		||||
		targetflags = 0;
 | 
			
		||||
	switch (cmd->entry->flags & allflags) {
 | 
			
		||||
	case 0:
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_SESSION_T|CMD_PANE_T:
 | 
			
		||||
	case CMD_SESSION_S|CMD_PANE_S:
 | 
			
		||||
		if (flag != NULL && flag[strcspn(flag, ":.")] != '\0') {
 | 
			
		||||
			fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE,
 | 
			
		||||
			    targetflags);
 | 
			
		||||
			if (fs == NULL)
 | 
			
		||||
				return (-1);
 | 
			
		||||
			statef->s = fs->s;
 | 
			
		||||
			statef->wl = fs->wl;
 | 
			
		||||
			statef->wp = fs->wp;
 | 
			
		||||
		} else {
 | 
			
		||||
			fs = cmd_find_target(cmdq, flag, CMD_FIND_SESSION,
 | 
			
		||||
			    targetflags);
 | 
			
		||||
			if (fs == NULL)
 | 
			
		||||
				return (-1);
 | 
			
		||||
			statef->s = fs->s;
 | 
			
		||||
 | 
			
		||||
			if (flag == NULL) {
 | 
			
		||||
				statef->wl = statef->s->curw;
 | 
			
		||||
				statef->wp = statef->s->curw->window->active;
 | 
			
		||||
			} else {
 | 
			
		||||
				s = statef->s;
 | 
			
		||||
				if ((w = window_find_by_id_str(flag)) != NULL)
 | 
			
		||||
					wp = w->active;
 | 
			
		||||
				else {
 | 
			
		||||
					wp = window_pane_find_by_id_str(flag);
 | 
			
		||||
					if (wp != NULL)
 | 
			
		||||
						w = wp->window;
 | 
			
		||||
				}
 | 
			
		||||
				wl = winlink_find_by_window(&s->windows, w);
 | 
			
		||||
				if (wl != NULL) {
 | 
			
		||||
					statef->wl = wl;
 | 
			
		||||
					statef->wp = wp;
 | 
			
		||||
				}
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_MOVEW_R|CMD_INDEX_T:
 | 
			
		||||
	case CMD_MOVEW_R|CMD_INDEX_S:
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_SESSION, targetflags);
 | 
			
		||||
		if (fs != NULL)
 | 
			
		||||
			statef->s = fs->s;
 | 
			
		||||
		else {
 | 
			
		||||
			fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW,
 | 
			
		||||
			    CMD_FIND_WINDOW_INDEX);
 | 
			
		||||
			if (fs == NULL)
 | 
			
		||||
				return (-1);
 | 
			
		||||
			statef->s = fs->s;
 | 
			
		||||
			statef->idx = fs->idx;
 | 
			
		||||
		}
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_SESSION_T:
 | 
			
		||||
	case CMD_SESSION_S:
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_SESSION, targetflags);
 | 
			
		||||
		if (fs == NULL)
 | 
			
		||||
			return (-1);
 | 
			
		||||
		statef->s = fs->s;
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_WINDOW_MARKED_T:
 | 
			
		||||
	case CMD_WINDOW_MARKED_S:
 | 
			
		||||
		targetflags |= CMD_FIND_DEFAULT_MARKED;
 | 
			
		||||
		/* FALLTHROUGH */
 | 
			
		||||
	case CMD_WINDOW_T:
 | 
			
		||||
	case CMD_WINDOW_S:
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW, targetflags);
 | 
			
		||||
		if (fs == NULL)
 | 
			
		||||
			return (-1);
 | 
			
		||||
		statef->s = fs->s;
 | 
			
		||||
		statef->wl = fs->wl;
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_PANE_MARKED_T:
 | 
			
		||||
	case CMD_PANE_MARKED_S:
 | 
			
		||||
		targetflags |= CMD_FIND_DEFAULT_MARKED;
 | 
			
		||||
		/* FALLTHROUGH */
 | 
			
		||||
	case CMD_PANE_T:
 | 
			
		||||
	case CMD_PANE_S:
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE, targetflags);
 | 
			
		||||
		if (fs == NULL)
 | 
			
		||||
			return (-1);
 | 
			
		||||
		statef->s = fs->s;
 | 
			
		||||
		statef->wl = fs->wl;
 | 
			
		||||
		statef->wp = fs->wp;
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_INDEX_T:
 | 
			
		||||
	case CMD_INDEX_S:
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW,
 | 
			
		||||
		    CMD_FIND_WINDOW_INDEX);
 | 
			
		||||
		if (fs == NULL)
 | 
			
		||||
			return (-1);
 | 
			
		||||
		statef->s = fs->s;
 | 
			
		||||
		statef->idx = fs->idx;
 | 
			
		||||
		break;
 | 
			
		||||
	default:
 | 
			
		||||
		fatalx("too many -%c for %s", c, cmd->entry->name);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
	 * If this is still the current command, it wants what it asked for and
 | 
			
		||||
	 * nothing more. If it's the base command, fill in as much as possible
 | 
			
		||||
	 * because the current command may have different flags.
 | 
			
		||||
	 */
 | 
			
		||||
	if (!everything)
 | 
			
		||||
		return (0);
 | 
			
		||||
 | 
			
		||||
complete_everything:
 | 
			
		||||
	if (statef->s == NULL) {
 | 
			
		||||
		if (state->c != NULL)
 | 
			
		||||
			statef->s = state->c->session;
 | 
			
		||||
		if (statef->s == NULL) {
 | 
			
		||||
			fs = cmd_find_target(cmdq, NULL, CMD_FIND_SESSION,
 | 
			
		||||
			    CMD_FIND_QUIET);
 | 
			
		||||
			if (fs != NULL)
 | 
			
		||||
				statef->s = fs->s;
 | 
			
		||||
		}
 | 
			
		||||
		if (statef->s == NULL) {
 | 
			
		||||
			if (flags & CMD_CANFAIL)
 | 
			
		||||
				return (0);
 | 
			
		||||
			cmdq_error(cmdq, "no current session");
 | 
			
		||||
			return (-1);
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	if (statef->wl == NULL) {
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW, 0);
 | 
			
		||||
		if (fs != NULL) {
 | 
			
		||||
			statef->s = fs->s;
 | 
			
		||||
			statef->wl = fs->wl;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	if (statef->wp == NULL) {
 | 
			
		||||
		fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE, 0);
 | 
			
		||||
		if (fs != NULL) {
 | 
			
		||||
			statef->s = fs->s;
 | 
			
		||||
			statef->wl = fs->wl;
 | 
			
		||||
			statef->wp = fs->wp;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	return (0);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int
 | 
			
		||||
cmd_prepare_state(struct cmd *cmd, struct cmd_q *cmdq)
 | 
			
		||||
{
 | 
			
		||||
	struct cmd_state	*state = &cmdq->state;
 | 
			
		||||
	struct args		*args = cmd->args;
 | 
			
		||||
	const char		*cflag, *tflag;
 | 
			
		||||
	char			*tmp;
 | 
			
		||||
	int			 error;
 | 
			
		||||
 | 
			
		||||
	tmp = cmd_print(cmd);
 | 
			
		||||
	log_debug("preparing state for: %s (client %p)", tmp, cmdq->client);
 | 
			
		||||
	free(tmp);
 | 
			
		||||
 | 
			
		||||
	/* Start with an empty state. */
 | 
			
		||||
	cmd_clear_state(state);
 | 
			
		||||
 | 
			
		||||
	/*
 | 
			
		||||
	 * If the command wants a client and provides -c or -t, use it. If not,
 | 
			
		||||
	 * try the base command instead via cmd_get_state_client. No client is
 | 
			
		||||
	 * allowed if no flags, otherwise it must be available.
 | 
			
		||||
	 */
 | 
			
		||||
	switch (cmd->entry->flags & (CMD_CLIENT_C|CMD_CLIENT_T)) {
 | 
			
		||||
	case 0:
 | 
			
		||||
		state->c = cmd_get_state_client(cmdq, 1);
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_CLIENT_C:
 | 
			
		||||
		cflag = args_get(args, 'c');
 | 
			
		||||
		if (cflag == NULL)
 | 
			
		||||
			state->c = cmd_get_state_client(cmdq, 0);
 | 
			
		||||
		else
 | 
			
		||||
			state->c = cmd_find_client(cmdq, cflag, 0);
 | 
			
		||||
		if (state->c == NULL)
 | 
			
		||||
			return (-1);
 | 
			
		||||
		break;
 | 
			
		||||
	case CMD_CLIENT_T:
 | 
			
		||||
		tflag = args_get(args, 't');
 | 
			
		||||
		if (tflag == NULL)
 | 
			
		||||
			state->c = cmd_get_state_client(cmdq, 0);
 | 
			
		||||
		else
 | 
			
		||||
			state->c = cmd_find_client(cmdq, tflag, 0);
 | 
			
		||||
		if (state->c == NULL)
 | 
			
		||||
			return (-1);
 | 
			
		||||
		break;
 | 
			
		||||
	default:
 | 
			
		||||
		fatalx("both -c and -t for %s", cmd->entry->name);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	error = cmd_set_state_flag(cmd, cmdq, 't');
 | 
			
		||||
	if (error == 0)
 | 
			
		||||
		error = cmd_set_state_flag(cmd, cmdq, 's');
 | 
			
		||||
	return (error);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
char *
 | 
			
		||||
cmd_print(struct cmd *cmd)
 | 
			
		||||
{
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user