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Instead of every command resolving the target (-t or -s) itself, prepare

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the state (client, session, winlink, pane) for it it before entering the
command. Each command provides some flags that tell the prepare step
what it is expecting.

This is a requirement for having hooks on commands (for example, if you
hook "select-window -t1:2", the hook command should to operate on window
1:2 not whatever it thinks is the current window), and should allow some
other target improvements.

The old cmd_find_* functions remain for the moment but that layer will
be dropped later.

Joint work with Thomas Adam.
This commit is contained in:
nicm
2015-12-13 14:32:38 +00:00
parent 5ed17e84fa
commit 4a4daf1303
56 changed files with 606 additions and 599 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
cmd-attach-session.c
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@@ -36,48 +36,27 @@ const struct cmd_entry cmd_attach_session_entry = {
"attach-session", "attach",
"c:dErt:", 0, 0,
"[-dEr] [-c working-directory] " CMD_TARGET_SESSION_USAGE,
CMD_STARTSERVER,
CMD_STARTSERVER|CMD_SESSION_T|CMD_PANE_T|CMD_PREFERUNATTACHED,
cmd_attach_session_exec
};
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
const char *cflag, int Eflag)
cmd_attach_session(struct cmd_q *cmdq, int dflag, int rflag, const char *cflag,
int Eflag)
{
struct session *s;
struct session *s = cmdq->state.tflag.s;
struct client *c = cmdq->client, *c_loop;
struct winlink *wl = NULL;
struct window *w = NULL;
struct window_pane *wp = NULL;
struct winlink *wl = cmdq->state.tflag.wl;
struct window_pane *wp = cmdq->state.tflag.wp;
const char *update;
char *cause;
char *cause, *cwd;
struct format_tree *ft;
char *cwd;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
return (CMD_RETURN_ERROR);
}
if (tflag == NULL) {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
} else if (tflag[strcspn(tflag, ":.")] != '\0') {
if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
} else {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
w = window_find_by_id_str(tflag);
if (w == NULL) {
wp = window_pane_find_by_id_str(tflag);
if (wp != NULL)
w = wp->window;
}
if (w != NULL)
wl = winlink_find_by_window(&s->windows, w);
}
if (c == NULL)
return (CMD_RETURN_NORMAL);
if (server_client_check_nested(c)) {
@@ -94,8 +73,7 @@ cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
if (cflag != NULL) {
ft = format_create(cmdq, 0);
format_defaults(ft, cmd_find_client(cmdq, NULL, 1), s,
NULL, NULL);
format_defaults(ft, c, s, wl, wp);
cwd = format_expand(ft, cflag);
format_free(ft);
@@ -176,7 +154,6 @@ cmd_attach_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
return (cmd_attach_session(cmdq, args_get(args, 't'),
args_has(args, 'd'), args_has(args, 'r'), args_get(args, 'c'),
args_has(args, 'E')));
return (cmd_attach_session(cmdq, args_has(args, 'd'),
args_has(args, 'r'), args_get(args, 'c'), args_has(args, 'E')));
}