tmux/cmd-show-options.c

198 lines
5.3 KiB
C

/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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 <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Show options.
*/
static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
static enum cmd_retval cmd_show_options_one(struct cmd *, struct cmdq_item *,
struct options *, int);
static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
struct options *, enum options_table_scope);
const struct cmd_entry cmd_show_options_entry = {
.name = "show-options",
.alias = "show",
.args = { "gqst:vw", 0, 1 },
.usage = "[-gqsvw] [-t target-session|target-window] [option]",
.tflag = CMD_WINDOW_CANFAIL,
.flags = CMD_AFTERHOOK,
.exec = cmd_show_options_exec
};
const struct cmd_entry cmd_show_window_options_entry = {
.name = "show-window-options",
.alias = "showw",
.args = { "gvt:", 0, 1 },
.usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
.tflag = CMD_WINDOW_CANFAIL,
.flags = CMD_AFTERHOOK,
.exec = cmd_show_options_exec
};
static enum cmd_retval
cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct session *s = item->state.tflag.s;
struct winlink *wl = item->state.tflag.wl;
struct options *oo;
enum options_table_scope scope;
int quiet;
const char *target;
if (args_has(self->args, 's')) {
oo = global_options;
scope = OPTIONS_TABLE_SERVER;
} else if (args_has(self->args, 'w') ||
self->entry == &cmd_show_window_options_entry) {
scope = OPTIONS_TABLE_WINDOW;
if (args_has(self->args, 'g'))
oo = global_w_options;
else if (wl == NULL) {
target = args_get(args, 't');
if (target != NULL) {
cmdq_error(item, "no such window: %s", target);
} else
cmdq_error(item, "no current window");
return (CMD_RETURN_ERROR);
} else
oo = wl->window->options;
} else {
scope = OPTIONS_TABLE_SESSION;
if (args_has(self->args, 'g'))
oo = global_s_options;
else if (s == NULL) {
target = args_get(args, 't');
if (target != NULL) {
cmdq_error(item, "no such session: %s", target);
} else
cmdq_error(item, "no current session");
return (CMD_RETURN_ERROR);
} else
oo = s->options;
}
quiet = args_has(self->args, 'q');
if (args->argc == 0)
return (cmd_show_options_all(self, item, oo, scope));
else
return (cmd_show_options_one(self, item, oo, quiet));
}
static enum cmd_retval
cmd_show_options_one(struct cmd *self, struct cmdq_item *item,
struct options *oo, int quiet)
{
struct args *args = self->args;
const char *name = args->argv[0];
const struct options_table_entry *oe;
struct options_entry *o;
const char *optval;
retry:
if (*name == '@') {
if ((o = options_find1(oo, name)) == NULL) {
if (quiet)
return (CMD_RETURN_NORMAL);
cmdq_error(item, "unknown option: %s", name);
return (CMD_RETURN_ERROR);
}
if (args_has(self->args, 'v'))
cmdq_print(item, "%s", o->str);
else
cmdq_print(item, "%s \"%s\"", o->name, o->str);
return (CMD_RETURN_NORMAL);
}
oe = NULL;
if (options_table_find(name, &oe) != 0) {
cmdq_error(item, "ambiguous option: %s", name);
return (CMD_RETURN_ERROR);
}
if (oe == NULL) {
if (quiet)
return (CMD_RETURN_NORMAL);
cmdq_error(item, "unknown option: %s", name);
return (CMD_RETURN_ERROR);
}
if (oe->style != NULL) {
name = oe->style;
goto retry;
}
if ((o = options_find1(oo, oe->name)) == NULL)
return (CMD_RETURN_NORMAL);
optval = options_table_print_entry(oe, o, args_has(self->args, 'v'));
if (args_has(self->args, 'v'))
cmdq_print(item, "%s", optval);
else
cmdq_print(item, "%s %s", oe->name, optval);
return (CMD_RETURN_NORMAL);
}
static enum cmd_retval
cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
struct options *oo, enum options_table_scope scope)
{
const struct options_table_entry *oe;
struct options_entry *o;
const char *optval;
int vflag;
o = options_first(oo);
while (o != NULL) {
if (*o->name == '@') {
if (args_has(self->args, 'v'))
cmdq_print(item, "%s", o->str);
else
cmdq_print(item, "%s \"%s\"", o->name, o->str);
}
o = options_next(o);
}
vflag = args_has(self->args, 'v');
for (oe = options_table; oe->name != NULL; oe++) {
if (oe->style != NULL || oe->scope != scope)
continue;
if ((o = options_find1(oo, oe->name)) == NULL)
continue;
optval = options_table_print_entry(oe, o, vflag);
if (vflag)
cmdq_print(item, "%s", optval);
else
cmdq_print(item, "%s %s", oe->name, optval);
}
return (CMD_RETURN_NORMAL);
}