Change cmd_find_target to use a state struct from the caller.

This commit is contained in:
nicm 2015-12-13 16:44:35 +00:00
parent 208e2dad1e
commit 9b7697db62
3 changed files with 108 additions and 98 deletions

View File

@ -789,12 +789,15 @@ cmd_find_clear_state(struct cmd_find_state *fs, struct cmd_q *cmdq, int flags)
fs->idx = -1;
}
/* Split target into pieces and resolve for the given type. */
struct cmd_find_state *
cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
int flags)
/*
* 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 cmd_q *cmdq,
const char *target, enum cmd_find_type type, int flags)
{
static struct cmd_find_state fs, current;
struct cmd_find_state current;
struct mouse_event *m;
char *colon, *period, *copy = NULL;
const char *session, *window, *pane;
@ -822,8 +825,8 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
}
/* Clear new state. */
cmd_find_clear_state(&fs, cmdq, flags);
fs.current = &current;
cmd_find_clear_state(fs, cmdq, flags);
fs->current = &current;
/* An empty or NULL target is the current. */
if (target == NULL || *target == '\0')
@ -834,20 +837,20 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
m = &cmdq->item->mouse;
switch (type) {
case CMD_FIND_PANE:
fs.wp = cmd_mouse_pane(m, &fs.s, &fs.wl);
if (fs.wp != NULL)
fs.w = fs.wl->window;
fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
if (fs->wp != NULL)
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;
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 (fs->wp == NULL) {
if (~flags & CMD_FIND_QUIET)
cmdq_error(cmdq, "no mouse target");
goto error;
@ -862,11 +865,11 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
cmdq_error(cmdq, "no marked target");
goto error;
}
fs.s = marked_session;
fs.wl = marked_winlink;
fs.idx = fs.wl->idx;
fs.w = fs.wl->window;
fs.wp = marked_window_pane;
fs->s = marked_session;
fs->wl = marked_winlink;
fs->idx = fs->wl->idx;
fs->w = fs->wl->window;
fs->wp = marked_window_pane;
goto found;
}
@ -919,11 +922,11 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
/* Set exact match flags. */
if (session != NULL && *session == '=') {
session++;
fs.flags |= CMD_FIND_EXACT_SESSION;
fs->flags |= CMD_FIND_EXACT_SESSION;
}
if (window != NULL && *window == '=') {
window++;
fs.flags |= CMD_FIND_EXACT_WINDOW;
fs->flags |= CMD_FIND_EXACT_WINDOW;
}
/* Empty is the same as NULL. */
@ -956,32 +959,32 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
/* 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)
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;
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)
if (cmd_find_get_window_with_session(fs, window) != 0)
goto no_window;
if (~flags & CMD_FIND_WINDOW_INDEX)
fs.wp = fs.wl->window->active;
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)
if (cmd_find_get_pane_with_session(fs, pane) != 0)
goto no_pane;
goto found;
}
@ -990,10 +993,10 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
* 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)
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)
if (cmd_find_get_pane_with_window(fs, pane) != 0)
goto no_pane;
goto found;
}
@ -1001,10 +1004,10 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
/* 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) != 0)
if (cmd_find_get_window(fs, window) != 0)
goto no_window;
/* This will fill in pane. */
if (cmd_find_get_pane_with_window(&fs, pane) != 0)
if (cmd_find_get_pane_with_window(fs, pane) != 0)
goto no_pane;
goto found;
}
@ -1012,38 +1015,41 @@ cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type,
/* 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) != 0)
if (cmd_find_get_window(fs, window) != 0)
goto no_window;
if (~flags & CMD_FIND_WINDOW_INDEX)
fs.wp = fs.wl->window->active;
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) != 0)
if (cmd_find_get_pane(fs, pane) != 0)
goto no_pane;
goto found;
}
current:
/* None is the current session. */
free(copy);
/* Use the current session. */
if (flags & CMD_FIND_WINDOW_INDEX)
current.idx = -1;
cmd_find_log_state(__func__, &current);
return (&current);
memcpy(fs, &current, sizeof *fs);
goto found;
error:
free(copy);
fs->current = NULL;
log_debug(" error");
return (NULL);
free(copy);
return (-1);
found:
cmd_find_log_state(__func__, &fs);
fs->current = NULL;
cmd_find_log_state(__func__, fs);
free(copy);
return (&fs);
return (0);
no_session:
if (~flags & CMD_FIND_QUIET)

100
cmd.c
View File

@ -433,12 +433,12 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
struct cmd_state_flag *statef = NULL;
const char *flag;
int flags = cmd->entry->flags, everything = 0;
int allflags = 0, targetflags;
int allflags = 0, targetflags, error;
struct session *s;
struct window *w;
struct winlink *wl;
struct window_pane *wp;
struct cmd_find_state *fs;
struct cmd_find_state fs;
/* Set up state for either -t or -s. */
if (c == 't') {
@ -480,19 +480,19 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
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,
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_PANE,
targetflags);
if (fs == NULL)
if (error != 0)
return (-1);
statef->s = fs->s;
statef->wl = fs->wl;
statef->wp = fs->wp;
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)
error = cmd_find_target(&fs, cmdq, flag,
CMD_FIND_SESSION, targetflags);
if (error != 0)
return (-1);
statef->s = fs->s;
statef->s = fs.s;
if (flag == NULL) {
statef->wl = statef->s->curw;
@ -516,24 +516,26 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
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;
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_SESSION,
targetflags);
if (error == 0)
statef->s = fs.s;
else {
fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW,
CMD_FIND_WINDOW_INDEX);
if (fs == NULL)
error = cmd_find_target(&fs, cmdq, flag,
CMD_FIND_WINDOW, CMD_FIND_WINDOW_INDEX);
if (error != 0)
return (-1);
statef->s = fs->s;
statef->idx = fs->idx;
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)
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_SESSION,
targetflags);
if (error != 0)
return (-1);
statef->s = fs->s;
statef->s = fs.s;
break;
case CMD_WINDOW_MARKED_T:
case CMD_WINDOW_MARKED_S:
@ -541,11 +543,12 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
/* FALLTHROUGH */
case CMD_WINDOW_T:
case CMD_WINDOW_S:
fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW, targetflags);
if (fs == NULL)
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_WINDOW,
targetflags);
if (error != 0)
return (-1);
statef->s = fs->s;
statef->wl = fs->wl;
statef->s = fs.s;
statef->wl = fs.wl;
break;
case CMD_PANE_MARKED_T:
case CMD_PANE_MARKED_S:
@ -553,21 +556,22 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
/* FALLTHROUGH */
case CMD_PANE_T:
case CMD_PANE_S:
fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE, targetflags);
if (fs == NULL)
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_PANE,
targetflags);
if (error != 0)
return (-1);
statef->s = fs->s;
statef->wl = fs->wl;
statef->wp = fs->wp;
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,
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_WINDOW,
CMD_FIND_WINDOW_INDEX);
if (fs == NULL)
if (error != 0)
return (-1);
statef->s = fs->s;
statef->idx = fs->idx;
statef->s = fs.s;
statef->idx = fs.idx;
break;
default:
fatalx("too many -%c for %s", c, cmd->entry->name);
@ -586,10 +590,10 @@ complete_everything:
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;
error = cmd_find_target(&fs, cmdq, NULL,
CMD_FIND_SESSION, CMD_FIND_QUIET);
if (error == 0)
statef->s = fs.s;
}
if (statef->s == NULL) {
if (flags & CMD_CANFAIL)
@ -599,18 +603,18 @@ complete_everything:
}
}
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;
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_WINDOW, 0);
if (error != 0) {
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;
error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_PANE, 0);
if (error != 0) {
statef->s = fs.s;
statef->wl = fs.wl;
statef->wp = fs.wp;
}
}
return (0);

4
tmux.h
View File

@ -1760,8 +1760,8 @@ long long args_strtonum(struct args *, u_char, long long, long long,
char **);
/* cmd-find.c */
struct cmd_find_state *cmd_find_target(struct cmd_q *, const char *,
enum cmd_find_type, int);
int cmd_find_target(struct cmd_find_state *, struct cmd_q *,
const char *, enum cmd_find_type, int);
struct client *cmd_find_client(struct cmd_q *, const char *, int);
/* cmd.c */